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Algorithm Developer Jobs

Mastercard

Bana Solutions

London Stock Exchange Group

Onsite

Hybrid

Our PurposeMastercard powers economies and empowers people in 200&#43; countries and territories worldwide. Together with our customers, we’re helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential.Title and Summary<h3></h3>Software Engineer II<h3></h3>Who is Mastercard? We work to connect and power an inclusive, digital economy that benefits everyone, everywhere, by making transactions safe, simple, smart, and accessible. Using secure data and networks, partnerships, and passion, our innovations and solutions help individuals, financial institutions, governments, and businesses realize their greatest potential. Our decency quotient, or DQ, drives our culture and everything we do inside and outside of our company. We cultivate a culture of inclusion for all employees that respect their individual strengths, views, and experiences. We believe that our differences enable us to be a better team – one that makes better decisions, drives innovation, and delivers better business results. About the Role Mastercard’s ACI team within the Payment Enablement program is seeking to hire a Software Engineer II to design, develop, and deliver scalable, secure, and high-quality software solutions. In this role, you will contribute to the full software development lifecycle, from analysis and design to implementation and ongoing support, while collaborating with cross-functional teams to meet evolving business needs. You will play a vital role in a rapidly growing organization, working closely with experienced and driven engineers to solve complex challenges. Engineers work in small, flexible teams, with every member contributing to the design, development, and testing of features. We follow an Agile approach to software development and practice continuous integration and delivery. This is a hybrid position based in O’Fallon, MO requiring three days per week onsite. Role • Design, develop, test, implement, and maintain software applications that align with Mastercard engineering standards and best practices. • Deliver secure, reliable, and scalable software solutions within defined timelines and budgets. • Research and evaluate alternative technical approaches to meet current and future business needs • Conduct feasibility studies, system flowcharting, and logic design to support solution development. • Collaborate with team members and stakeholders to meet project goals, identify issues early, and recommend practical solutions. • Independently manage assigned tasks and participate in production, incident management and on-call rotations. • Create and maintain comprehensive technical documentation in line with Mastercard’s quality and governance standards. • Assist senior engineers in updating documentation and templates to align with evolving projects and technology needs. • Contribute to process improvement initiatives and promote best practices in software development and delivery. • Support the collection, analysis, and reporting of software and project performance metrics. All About You • Strong hands-on experience for developing scalable and high-performance applications with Java Spring Boot (Java 17 preferred). Spring Boot experience is required. Spring Batch experience is nice to have. • Proven experience with Apache KAFKA or related tools with event driven architecture design patterns for asynchronous data processing. • Knowledge and experience working with CI/CD tools such as Jenkins and Git is required. • Working knowledge of cloud platforms (PCF and/or AWS preferred). • Hands-on experience with containerization technologies (e.g., Docker). • Experience developing with web technologies such as HTML, JavaScript, and frameworks like Angular or React. • Solid understanding of database technologies, including both SQL and NoSQL systems. Experience with PostgreSQL is preferred. • Experience developing and integrating RESTful APIs and working within microservices architectures. • Strong grasp of object-oriented programming, software design patterns, and system performance optimization. • Proficient in algorithms, data structures, and distributed systems concepts. • Experience in Agile environments (e.g., Scrum or Kanban) with continuous integration and iterative delivery models. • Passionate about solving complex, real-world challenges through technology. • Self-motivated and proactive, with the ability to take ownership and deliver results in fast-paced, collaborative settings. • Excellent verbal and written communication skills, capable of explaining complex technical concepts to diverse audiences. • Bachelor’s degree in computer science, Software Engineering, Information Technology, Mathematics, or related field is preferred.<h3></h3>Mastercard is a merit-based, inclusive, equal opportunity employer that considers applicants without regard to gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law. We hire the most qualified candidate for the role. In the US or Canada, if you require accommodations or assistance to complete the online application process or during the recruitment process, please contact reasonable_accommodation@mastercard.com and identify the type of accommodation or assistance you are requesting. Do not include any medical or health information in this email. The Reasonable Accommodations team will respond to your email promptly.<h3></h3>Corporate Security Responsibility All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must:<ul><li>Abide by Mastercard’s security policies and practices;</li><li>Ensure the confidentiality and integrity of the information being accessed;</li><li>Report any suspected information security violation or breach, and</li><li>Complete all periodic mandatory security trainings in accordance with Mastercard’s guidelines.</li></ul><h3></h3>In line with Mastercard’s total compensation philosophy and assuming that the job will be performed in the US, the successful candidate will be offered a competitive base salary and may be eligible for an annual bonus or commissions depending on the role. The base salary offered may vary depending on multiple factors, including but not limited to location, job-related knowledge, skills, and experience. Mastercard benefits for full time (and certain part time) employees generally include: insurance (including medical, prescription drug, dental, vision, disability, life insurance); flexible spending account and health savings account; paid leaves (including 16 weeks of new parent leave and up to 20 days of bereavement leave); 80 hours of Paid Sick and Safe Time, 25 days of vacation time and 5 personal days, pro-rated based on date of hire; 10 annual paid U.S. observed holidays; 401k with a best-in-class company match; deferred compensation for eligible roles; fitness reimbursement or on-site fitness facilities; eligibility for tuition reimbursement; and many more. Mastercard benefits for interns generally include: 56 hours of Paid Sick and Safe Time; jury duty leave; and on-site fitness facilities in some locations.Pay RangesO'Fallon, Missouri: $92,000 - $147,000 USD<h3></h3><h3></h3><h3></h3><h3></h3>

Software Engineer II

Design, develop, test, and maintain scalable software; experience with Java Spring Boot, Kafka, CI/CD, cloud platforms, containers, REST/microservices, and Agile practices.

Our PurposeMastercard powers economies and empowers people in 200&#43; countries and territories worldwide. Together with our customers, we’re helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential.Title and Summary<h3></h3>BizOps Engineer II<h3></h3>"Overview The BizOps team is looking for a Site Reliability Engineer who can help us solve problems, monitor Mainframe application, migration of linux servers and lead Mastercard in DevOps automation and best practices. •	Are you a born problem solver who loves to figure out how something works? •	Do you have a low tolerance for manual work and look to automate everything you can? Business Operations is leading the DevOps transformation at Mastercard through our tooling and by being an advocate for change &amp; standards throughout the development, quality, release, and product organizations. We need team members with an appetite for change and pushing the boundaries of what can be done with automation. Experience in working across development, operations, and product teams to prioritize needs and to build relationships is a must. Role The role of business operations is to be the production readiness steward for the platform. This is accomplished by closely partnering with developers to design, build, implement, and support technology services. A business operations engineer will ensure operational criteria like system availability, capacity, performance, monitoring, self-healing, and deployment automation are implemented throughout the delivery process. Business Operations plays a key role in leading the DevOps transformation at Mastercard through our tooling and by being an advocate for change and standards throughout the development, quality, release, and product organizations. We accomplish this transformation through supporting daily operations with a hyper focus on triage and then root cause by understanding the business impact of our products. The goal of every biz ops team is to shift left to be more proactive and upfront in the development process, and to proactively manage production and change activities to maximize customer experience, and increase the overall value of supported applications. Biz Ops teams also focus on risk management by tying all our activities together with an overarching responsibility for compliance and risk mitigation across all our environments. A biz ops focus is also on streamlining and standardizing traditional application specific support activities and centralizing points of interaction for both internal and external partners by communicating effectively with all key stakeholders. Ultimately, the role of biz ops is to align Product and Customer Focused priorities with Operational needs. We regularly review our run state not only from an internal perspective, but also understanding and providing the feedback loop to our development partners on how we can improve the customer experience of our applications. All About You •	Engage in and improve the whole lifecycle of services—from inception and design, through deployment, operation and refinement. •	Analyze ITSM activities of the platform and provide feedback loop to development teams on operational gaps or resiliency concerns •	Support services before they go live through activities such as system design consulting, capacity planning and launch reviews. •	Maintain services once they are live by measuring and monitoring availability, latency and overall system health. •	Scale systems sustainably through mechanisms like automation, and evolve systems by pushing for changes that improve reliability and velocity. •	Support the application CI/CD pipeline for promoting software into higher environments through validation and operational gating, and lead Mastercard in DevOps automation and best practices. •	Practice sustainable incident response and blameless postmortems. •	Take a holistic approach to problem solving, by connecting the dots during a production event thru the various technology stack that makes up the platform, to optimize mean time to recover •	Work with a global team spread across tech hubs in multiple geographies and time zones •	Share knowledge and mentor junior resources Qualifications •	BS degree in Computer Science or related technical field involving coding (e.g., physics or mathematics), or equivalent practical experience. •	Experience with algorithms, data structures, scripting, pipeline management, and software design. •	Systematic problem-solving approach, coupled with strong communication skills and a sense of ownership and drive. •	Ability to help debug and optimize code and automate routine tasks. •	We support many different stakeholders. Experience in dealing with difficult situations and making decisions with a sense of urgency is needed. •	Experience in one or more of the following is preferred: Mainframe, Linux, Java. •	Interest in designing, analyzing and troubleshooting mainframe application and Linux distributed platforms •	We need team members with an appetite for change and pushing the boundaries of what can be done with automation. Experience in working across development, operations, and product teams to prioritize needs and to build relationships is a must. •	Experience in industry standard CI/CD tools like Git/BitBucket, Jenkins, Maven, Artifactory, and Chef. Experience designing and implementing an effective and efficient CI/CD flow that gets code from dev to prod with high quality and minimal manual effort is desired.<h3></h3>Mastercard is a merit-based, inclusive, equal opportunity employer that considers applicants without regard to gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law. We hire the most qualified candidate for the role. In the US or Canada, if you require accommodations or assistance to complete the online application process or during the recruitment process, please contact reasonable_accommodation@mastercard.com and identify the type of accommodation or assistance you are requesting. Do not include any medical or health information in this email. The Reasonable Accommodations team will respond to your email promptly.<h3></h3>Corporate Security Responsibility All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must:<ul><li>Abide by Mastercard’s security policies and practices;</li><li>Ensure the confidentiality and integrity of the information being accessed;</li><li>Report any suspected information security violation or breach, and</li><li>Complete all periodic mandatory security trainings in accordance with Mastercard’s guidelines.</li></ul><h3></h3>In line with Mastercard’s total compensation philosophy and assuming that the job will be performed in the US, the successful candidate will be offered a competitive base salary and may be eligible for an annual bonus or commissions depending on the role. The base salary offered may vary depending on multiple factors, including but not limited to location, job-related knowledge, skills, and experience. Mastercard benefits for full time (and certain part time) employees generally include: insurance (including medical, prescription drug, dental, vision, disability, life insurance); flexible spending account and health savings account; paid leaves (including 16 weeks of new parent leave and up to 20 days of bereavement leave); 80 hours of Paid Sick and Safe Time, 25 days of vacation time and 5 personal days, pro-rated based on date of hire; 10 annual paid U.S. observed holidays; 401k with a best-in-class company match; deferred compensation for eligible roles; fitness reimbursement or on-site fitness facilities; eligibility for tuition reimbursement; and many more. Mastercard benefits for interns generally include: 56 hours of Paid Sick and Safe Time; jury duty leave; and on-site fitness facilities in some locations.Pay RangesO'Fallon, Missouri: $76,000 - $127,000 USD<h3></h3><h3></h3><h3></h3><h3></h3>

BizOps Engineer II

BS in Computer Science or related technical field; experience with algorithms, data structures, scripting, pipeline management, and software design; strong problem-solving and communication; experience with Mainframe/Linux/Java; familiarity with CI/CD tools.

Our PurposeMastercard powers economies and empowers people in 200&#43; countries and territories worldwide. Together with our customers, we’re helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential.Title and Summary<h3></h3>Senior BizOps Engineer<h3></h3>Overview-The Shared Component Security Services BizOps team is looking for a BizOps Engineer with Site Reliability Engineering (SRE) mindset who can help us solve problems, build our CI/CD pipeline and lead Mastercard in DevOps automation and best practices. Role • Engage in and improve the whole lifecycle of services—from inception and design, through deployment, operation and refinement. • Analyze ITSM activities of the platform and provide feedback loop to development teams on operational gaps or resiliency concerns • Support services before they go live through activities such as system design consulting, capacity planning and launch reviews. • Maintain services once they are live by measuring and monitoring availability, latency and overall system health. • Scale systems sustainably through mechanisms like automation, and evolve systems by pushing for changes that improve reliability and velocity. • Support the application CI/CD pipeline for promoting software into higher environments through validation and operational gating, and lead Mastercard in DevOps automation and best practices. • Practice sustainable incident response and blameless postmortems. • Take a holistic approach to problem solving, by connecting the dots during a production event thru the various technology stack that makes up the platform, to optimize mean time to recover • Work with a global team spread across tech hubs in multiple geographies and time zones • Share knowledge and mentor junior resources For team members supporting the Dev Ops pipeline: • Design, implement, and enhance our deployment automation based on Chef. We need proven experience writing chef recipes/cookbooks as well as designing and implementing an overall Chef based release and deployment process. • Use Jenkins to orchestrate builds as well as link to Sonar, Chef, Maven, Artifactory, etc. to build out the CI/CD pipeline. • Support deployments of code into multiple lower environments. Supporting current processes needed with an emphasis on automating everything as soon as possible. • Design and implement a Git based code management strategy that will support multiple environment deployments in parallel. Experience with automation for branch management, code promotions, and version management is a plus.   Qualifications • BS degree in Computer Science or related technical field involving coding (e.g., physics or mathematics), or equivalent practical experience. • Experience with algorithms, data structures, scripting, pipeline management, and software design. • Systematic problem-solving approach, coupled with strong communication skills and a sense of ownership and drive. • Ability to help debug and optimize code and automate routine tasks. • We support many different stakeholders. Experience in dealing with difficult situations and making decisions with a sense of urgency is needed. • Experience in one or more of the following is preferred: C, C++, Java, Python, Go, Perl or Ruby. • Interest in designing, analyzing and troubleshooting large-scale distributed systems. • We need team members with an appetite for change and pushing the boundaries of what can be done with automation. Experience in working across development, operations, and product teams to prioritize needs and to build relationships is a must. • For work on our dev ops team, engineer with experience in industry standard CI/CD tools like Git/BitBucket, Jenkins, Maven, Artifactory, and Chef. Experience designing and implementing an effective and efficient CI/CD flow that gets code from dev to prod with high quality and minimal manual effort is required.<h3></h3>Mastercard is a merit-based, inclusive, equal opportunity employer that considers applicants without regard to gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law. We hire the most qualified candidate for the role. In the US or Canada, if you require accommodations or assistance to complete the online application process or during the recruitment process, please contact reasonable_accommodation@mastercard.com and identify the type of accommodation or assistance you are requesting. Do not include any medical or health information in this email. The Reasonable Accommodations team will respond to your email promptly.<h3></h3>Corporate Security Responsibility All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must:<ul><li>Abide by Mastercard’s security policies and practices;</li><li>Ensure the confidentiality and integrity of the information being accessed;</li><li>Report any suspected information security violation or breach, and</li><li>Complete all periodic mandatory security trainings in accordance with Mastercard’s guidelines.</li></ul><h3></h3>In line with Mastercard’s total compensation philosophy and assuming that the job will be performed in the US, the successful candidate will be offered a competitive base salary and may be eligible for an annual bonus or commissions depending on the role. The base salary offered may vary depending on multiple factors, including but not limited to location, job-related knowledge, skills, and experience. Mastercard benefits for full time (and certain part time) employees generally include: insurance (including medical, prescription drug, dental, vision, disability, life insurance); flexible spending account and health savings account; paid leaves (including 16 weeks of new parent leave and up to 20 days of bereavement leave); 80 hours of Paid Sick and Safe Time, 25 days of vacation time and 5 personal days, pro-rated based on date of hire; 10 annual paid U.S. observed holidays; 401k with a best-in-class company match; deferred compensation for eligible roles; fitness reimbursement or on-site fitness facilities; eligibility for tuition reimbursement; and many more. Mastercard benefits for interns generally include: 56 hours of Paid Sick and Safe Time; jury duty leave; and on-site fitness facilities in some locations.Pay RangesO'Fallon, Missouri: $96,000 - $163,000 USD<h3></h3><h3></h3><h3></h3><h3></h3>

Senior BizOps Engineer

BS in CS or related field; experience with algorithms, data structures, scripting, CI/CD; experience with one or more of C, C++, Java, Python, Go, Perl or Ruby; strong problem-solving and communication; automation focus.

Our PurposeMastercard powers economies and empowers people in 200&#43; countries and territories worldwide. Together with our customers, we’re helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential.Title and Summary<h3></h3>BizOps Engineer II<h3></h3>Job Description: Overview The Financial Solutions BizOps team is looking for a Site Reliability Engineer who can help us solve problems, build our CI/CD pipeline and lead Mastercard in DevOps automation and best practices. -	Are you a born problem solver who loves to figure out how something works? -	Are you a CI/CD geek who loves all things automation? -	Do you have a low tolerance for manual work and look to automate everything you can? Business Operations is leading the DevOps transformation at Mastercard through our tooling and by being an advocate for change &amp; standards throughout the development, quality, release, and product organizations. We need team members with an appetite for change and pushing the boundaries of what can be done with automation. Experience in working across development, operations, and product teams to prioritize needs and to build relationships is a must. Role The role of business operations is to be the production readiness steward for the platform. This is accomplished by closely partnering with developers to design, build, implement, and support technology services. A business operations engineer will ensure operational criteria like system availability, capacity, performance, monitoring, self-healing, and deployment automation are implemented throughout the delivery process. Business Operations plays a key role in leading the DevOps transformation at Mastercard through our tooling and by being an advocate for change and standards throughout the development, quality, release, and product organizations. We accomplish this transformation through supporting daily operations with a hyper focus on triage and then root cause by understanding the business impact of our products. The goal of every biz ops team is to shift left to be more proactive and upfront in the development process, and to proactively manage production and change activities to maximize customer experience, and increase the overall value of supported applications. Biz Ops teams also focus on risk management by tying all our activities together with an overarching responsibility for compliance and risk mitigation across all our environments. A biz ops focus is also on streamlining and standardizing traditional application specific support activities and centralizing points of interaction for both internal and external partners by communicating effectively with all key stakeholders. Ultimately, the role of biz ops is to align Product and Customer Focused priorities with Operational needs. We regularly review our run state not only from an internal perspective, but also understanding and providing the feedback loop to our development partners on how we can improve the customer experience of our applications. All About You For all team members: •	Engage in and improve the whole lifecycle of services—from inception and design, through deployment, operation and refinement. •	Analyze ITSM activities of the platform and provide feedback loop to development teams on operational gaps or resiliency concerns •	Support services before they go live through activities such as system design consulting, capacity planning and launch reviews. •	Maintain services once they are live by measuring and monitoring availability, latency and overall system health. •	Scale systems sustainably through mechanisms like automation, and evolve systems by pushing for changes that improve reliability and velocity. •	Support the application CI/CD pipeline for promoting software into higher environments through validation and operational gating, and lead Mastercard in DevOps automation and best practices. •	Practice sustainable incident response and blameless postmortems. •	Take a holistic approach to problem solving, by connecting the dots during a production event thru the various technology stack that makes up the platform, to optimize mean time to recover •	Work with a global team spread across tech hubs in multiple geographies and time zones •	Share knowledge and mentor junior resources For team members supporting the Dev Ops pipeline: •	Design, implement, and enhance our deployment automation based on Chef. We need proven experience writing chef recipes/cookbooks as well as designing and implementing an overall Chef based release and deployment process. •	Use Jenkins to orchestrate builds as well as link to Sonar, Chef, Maven, Artifactory, etc. to build out the CI/CD pipeline. •	Support deployments of code into multiple lower environments. Supporting current processes needed with an emphasis on automating everything as soon as possible. •	Design and implement a Git based code management strategy that will support multiple environment deployments in parallel. Experience with automation for branch management, code promotions, and version management is a plus. Qualifications •	BS degree in Computer Science or related technical field involving coding (e.g., physics or mathematics), or equivalent practical experience. •	Experience with algorithms, data structures, scripting, pipeline management, and software design. •	Systematic problem-solving approach, coupled with strong communication skills and a sense of ownership and drive. •	Ability to help debug and optimize code and automate routine tasks. •	We support many different stakeholders. Experience in dealing with difficult situations and making decisions with a sense of urgency is needed. •	Experience in one or more of the following is preferred: C, C++, Java, Python, Go, Perl or Ruby. •	Interest in designing, analyzing and troubleshooting large-scale distributed systems. •	We need team members with an appetite for change and pushing the boundaries of what can be done with automation. Experience in working across development, operations, and product teams to prioritize needs and to build relationships is a must. •	For work on our dev ops team, engineer with experience in industry standard CI/CD tools like Git/BitBucket, Jenkins, Maven, Artifactory, and Chef. Experience designing and implementing an effective and efficient CI/CD flow that gets code from dev to prod with high quality and minimal manual effort is required.<h3></h3>Mastercard is a merit-based, inclusive, equal opportunity employer that considers applicants without regard to gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law. We hire the most qualified candidate for the role. In the US or Canada, if you require accommodations or assistance to complete the online application process or during the recruitment process, please contact reasonable_accommodation@mastercard.com and identify the type of accommodation or assistance you are requesting. Do not include any medical or health information in this email. The Reasonable Accommodations team will respond to your email promptly.<h3></h3>Corporate Security Responsibility All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must:<ul><li>Abide by Mastercard’s security policies and practices;</li><li>Ensure the confidentiality and integrity of the information being accessed;</li><li>Report any suspected information security violation or breach, and</li><li>Complete all periodic mandatory security trainings in accordance with Mastercard’s guidelines.</li></ul><h3></h3>In line with Mastercard’s total compensation philosophy and assuming that the job will be performed in the US, the successful candidate will be offered a competitive base salary and may be eligible for an annual bonus or commissions depending on the role. The base salary offered may vary depending on multiple factors, including but not limited to location, job-related knowledge, skills, and experience. Mastercard benefits for full time (and certain part time) employees generally include: insurance (including medical, prescription drug, dental, vision, disability, life insurance); flexible spending account and health savings account; paid leaves (including 16 weeks of new parent leave and up to 20 days of bereavement leave); 80 hours of Paid Sick and Safe Time, 25 days of vacation time and 5 personal days, pro-rated based on date of hire; 10 annual paid U.S. observed holidays; 401k with a best-in-class company match; deferred compensation for eligible roles; fitness reimbursement or on-site fitness facilities; eligibility for tuition reimbursement; and many more. Mastercard benefits for interns generally include: 56 hours of Paid Sick and Safe Time; jury duty leave; and on-site fitness facilities in some locations.Pay RangesO'Fallon, Missouri: $76,000 - $127,000 USD<h3></h3><h3></h3><h3></h3><h3></h3>

BS degree in computer science or related field; experience with algorithms, data structures, scripting, CI/CD; strong problem-solving and communication; experience with one or more languages (C, C++, Java, Python, Go, Perl or Ruby); experience across dev, ops, product; CI/CD tools like Git, Jenkins, Maven, Artifactory, Chef.

Senior Software Engineer – St. LouisCompanies across the world face fast‑changing risks. Understanding and responding to those risks is essential to long‑term success. As part of our St. Louis engineering team, you will help deliver solutions that empower customers to protect their brand, make confident decisions, and move quickly in a complex environment.We’re seeking a collaborative, motivated Senior Software Engineer who enjoys solving substantial problems, supporting other teams, and contributing to a culture of excellence. If you thrive in an empowered environment and want to make an impact on financial systems used across the organization, you’ll be an excellent fit.<h2>What You’ll Do</h2>As part of the Tools Team, you’ll work closely with internal development groups, business analysts, and quality engineers. Your work will directly support the tools and utilities that enable teams to deliver high‑quality software.In this role, you will:<ul><li>Build, maintain, and improve tools that help internal teams work more effectively.</li><li>Collaborate with multiple collaborators, each with their own priorities, in a dynamic environment.</li><li>Participate in and lead code reviews to support consistent engineering standards.</li><li>Help ushers LSEG’s progress toward full DevOps adoption.</li><li>Develop scalable, future‑focused solutions in partnership with the architecture team.</li><li>Work across multiple computer stacks and technology.</li><li>Develop a strong understanding of the financial domain to support partner teams.  </li></ul>This position is ideal for someone who enjoys learning, adapting, and helping others succeed.<h2>Required Experience</h2><ul><li>Bachelor’s degree in Computer Science, Software Engineering, or a related field</li><li>5&#43; years of software development experience</li><li>Experience with multiple programming languages (e.g., C#, C&#43;&#43;)</li><li>Strong understanding of Agile, Scrum, and DevOps practices</li><li>Validated knowledge of data structures, algorithms, and design patterns</li><li>Experience with version control systems (e.g., Git, DX1)</li><li>Proficiency with databases and SQL</li><li>Strong analytical and problem‑solving skills</li><li>Excellent communication and collaboration skills  </li></ul><h2>Preferred Skills</h2><ul><li>Experience with scripting languages (e.g., Python, Perl)</li><li>Familiarity with cloud platforms (AWS, Azure, or Google Cloud)</li><li>Knowledge of containerization and orchestration (Docker, Kubernetes)</li><li>Experience with automated testing frameworks</li><li>Experience using AI tools to accelerate development<ul><li>We encourage the use of AI, including tools like Copilot, to improve efficiency and code quality.</li><li><div>Ability to evaluate new AI tools and make suggestions on how they can enhance team efficiency</div></li><li><div><div>Experience integrating AI‑powered automation into development workflows</div></div></li><li><div><div>Familiarity with prompt‑engineering techniques to get the most from AI coding assistants  </div></div></li></ul></li></ul><h2>What We Offer</h2><ul><li>Comprehensive health and wellness benefits</li><li>Flexible working hours and remote‑work options</li><li>Paid time off for vacation, holidays, and sick leave</li><li>A supportive, creative, and growth‑focused work environment with opportunities for career advancement  </li></ul>Join us as we reshape the future of financial markets—and build tools that make a real impact.Career Stage:Senior AssociateLondon Stock Exchange Group (LSEG) Information:Join us and be part of a team that values innovation, quality, and continuous improvement. If you&#39;re ready to take your career to the next level and make a significant impact, we&#39;d love to hear from you.LSEG is a leading global financial markets infrastructure and data provider. Our purpose is driving financial stability, empowering economies and enabling customers to create sustainable growth.Our purpose is the foundation on which our culture is built. Our values of Integrity, Partnership, Excellence and Change underpin our purpose and set the standard for everything we do, every day. They go to the heart of who we are and guide our decision making and everyday actions.Working with us means that you will be part of a dynamic organisation of 25,000 people across 65 countries. However, we will value your individuality and enable you to bring your true self to work so you can help enrich our diverse workforce.We are proud to be an equal opportunities employer. This means that we do not discriminate on the basis of anyone’s race, religion, colour, national origin, gender, sexual orientation, gender identity, gender expression, age, marital status, veteran status, pregnancy or disability, or any other basis protected under applicable law. Conforming with applicable law, we can reasonably accommodate applicants&#39; and employees&#39; religious practices and beliefs, as well as mental health or physical disability needs.You will be part of a collaborative and creative culture where we encourage new ideas. We are committed to sustainability across our global business and we are proud to partner with our customers to help them meet their sustainability objectives. Our charity, the LSEG Foundation provides charitable grants to community groups that help people access economic opportunities and build a secure future with financial independence. 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If you are submitting as a Recruitment Agency Partner, it is essential and your responsibility to ensure that candidates applying to LSEG are aware of this privacy notice.

Senior Software Engineer - Real Time Product Engineering

Senior Software Engineer

Bachelor's degree in CS or related field; 5+ years software development; experience with C/C++; strong Agile/Scrum/DevOps knowledge; data structures/algorithms; Git; SQL; strong communication.

<h3>Description</h3>
<p style="margin:0px;padding:0px;color:#181818;font-family:'-apple-system' , 'blinkmacsystemfont' , 'segoe ui' , 'roboto' , 'helvetica' , 'arial' , sans-serif , 'apple color emoji' , 'segoe ui emoji' , 'segoe ui symbol';font-size:14px;font-style:normal;font-weight:400;letter-spacing:normal;text-indent:0px;text-transform:none;word-spacing:0px;white-space:normal;background-color:#ffffff">OVERVIEW:
<p style="margin:0px;padding:0px;color:#181818;font-family:'-apple-system' , 'blinkmacsystemfont' , 'segoe ui' , 'roboto' , 'helvetica' , 'arial' , sans-serif , 'apple color emoji' , 'segoe ui emoji' , 'segoe ui symbol';font-size:14px;font-style:normal;font-weight:400;letter-spacing:normal;text-indent:0px;text-transform:none;word-spacing:0px;white-space:normal;background-color:#ffffff">We are seeking a highly skilled Software Developer with strong experience in Fortran and algorithm development to support mission-critical systems. The ideal candidate will work in a secure environment, contributing to high-performance computational solutions, data processing pipelines, and next-generation analytic capabilities. 
<p style="margin:0px;padding:0px;color:#181818;font-family:'-apple-system' , 'blinkmacsystemfont' , 'segoe ui' , 'roboto' , 'helvetica' , 'arial' , sans-serif , 'apple color emoji' , 'segoe ui emoji' , 'segoe ui symbol';font-size:14px;font-style:normal;font-weight:400;letter-spacing:normal;text-indent:0px;text-transform:none;word-spacing:0px;white-space:normal;background-color:#ffffff">GENERAL DUTIES:
<ul style="margin:0px 0px 12px 24px;padding:0px;list-style:disc;color:#181818;font-family:'-apple-system' , 'blinkmacsystemfont' , 'segoe ui' , 'roboto' , 'helvetica' , 'arial' , sans-serif , 'apple color emoji' , 'segoe ui emoji' , 'segoe ui symbol';font-size:14px;font-style:normal;font-weight:400;letter-spacing:normal;text-indent:0px;text-transform:none;word-spacing:0px;white-space:normal;background-color:#ffffff"><li>Design, develop, maintain, and optimize software solutions in support of scientific, analytical, and geospatial applications.</li><li>Develop and refine complex algorithms used for modeling, simulation, data analysis, and system automation.</li><li>Enhance, update, and troubleshoot legacy Fortran codebases.</li><li>Collaborate with cross-functional teams to support system integration, testing, and deployment.</li><li>Document software designs, testing procedures, and implementation details according to best practices.</li><li>Work within a high-security environment to meet mission and compliance requirements.</li></ul>
<h3>Requirements</h3>
<p style="margin:0px;padding:0px;color:#181818;font-family:'-apple-system' , 'blinkmacsystemfont' , 'segoe ui' , 'roboto' , 'helvetica' , 'arial' , sans-serif , 'apple color emoji' , 'segoe ui emoji' , 'segoe ui symbol';font-size:14px;font-style:normal;font-weight:400;letter-spacing:normal;text-indent:0px;text-transform:none;word-spacing:0px;white-space:normal;background-color:#ffffff">REQUIRED QUALIFICATIONS:
<ul style="margin:0px 0px 12px 24px;padding:0px;list-style:disc;color:#181818;font-family:'-apple-system' , 'blinkmacsystemfont' , 'segoe ui' , 'roboto' , 'helvetica' , 'arial' , sans-serif , 'apple color emoji' , 'segoe ui emoji' , 'segoe ui symbol';font-size:14px;font-style:normal;font-weight:400;letter-spacing:normal;text-indent:0px;text-transform:none;word-spacing:0px;white-space:normal;background-color:#ffffff"><li>Proven professional experience developing software in Fortran.</li><li>Strong background in algorithm development.</li><li>Proficiency with software engineering best practices, including version control, testing, documentation, and code review.</li><li>Ability to work collaboratively in an agile or iterative development environment.</li></ul>
<p style="margin:0px;padding:0px;color:#181818;font-family:'-apple-system' , 'blinkmacsystemfont' , 'segoe ui' , 'roboto' , 'helvetica' , 'arial' , sans-serif , 'apple color emoji' , 'segoe ui emoji' , 'segoe ui symbol';font-size:14px;font-style:normal;font-weight:400;letter-spacing:normal;text-indent:0px;text-transform:none;word-spacing:0px;white-space:normal;background-color:#ffffff">DESIRED QUALIFICATIONS:
<ul style="margin:0px 0px 12px 24px;padding:0px;list-style:disc;color:#181818;font-family:'-apple-system' , 'blinkmacsystemfont' , 'segoe ui' , 'roboto' , 'helvetica' , 'arial' , sans-serif , 'apple color emoji' , 'segoe ui emoji' , 'segoe ui symbol';font-size:14px;font-style:normal;font-weight:400;letter-spacing:normal;text-indent:0px;text-transform:none;word-spacing:0px;white-space:normal;background-color:#ffffff"><li>Experience with AWS cloud-based development and deployment.</li><li>Experience refactoring Fortran into Python or modernizing legacy codebases.</li><li>Background working with big data technologies (e.g., Hadoop, Spark, distributed data processing).</li><li>Experience supporting analytical workflows or developing analytical capabilities for end users.</li><li>Familiarity with geospatial software development, geospatial data formats, and related tools (e.g., GDAL, ESRI, OGC standards).</li><li>Experience with performance optimization, high-performance computing, or scientific computing environments.</li></ul>
<p style="margin:0px;padding:0px;color:#181818;font-family:'-apple-system' , 'blinkmacsystemfont' , 'segoe ui' , 'roboto' , 'helvetica' , 'arial' , sans-serif , 'apple color emoji' , 'segoe ui emoji' , 'segoe ui symbol';font-size:14px;font-style:normal;font-weight:400;letter-spacing:normal;text-indent:0px;text-transform:none;word-spacing:0px;white-space:normal;background-color:#ffffff">CLEARANCE:
<ul style="margin:0px 0px 12px 24px;padding:0px;list-style:disc;color:#181818;font-family:'-apple-system' , 'blinkmacsystemfont' , 'segoe ui' , 'roboto' , 'helvetica' , 'arial' , sans-serif , 'apple color emoji' , 'segoe ui emoji' , 'segoe ui symbol';font-size:14px;font-style:normal;font-weight:400;letter-spacing:normal;text-indent:0px;text-transform:none;word-spacing:0px;white-space:normal;background-color:#ffffff"><li>Top Secret minimum</li></ul>

Senior Technologist

Proven Fortran software development with algorithm development; 8+ years in secure computing.

Proven experience in Fortran, algorithm development, software engineering practices, and collaborative agile development in a high-security environment.

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