Explore 3 algorithm developer jobs from 2 hiring companies in Litchfield, IL, US. Filter by remote, salary, experience, and company, then open any listing to apply.

algorithm-developer

Algorithm Developer

Hillsboro

Edwardsville

St. Louis

Upper Alton

Godfrey

Alton

Springfield

Collinsville

Carlinville

Glen Carbon

Spanish Lake

Old Jamestown

Granite City

O'Fallon

Florissant

Staunton

Chatham

Fairview Heights

Taylorville

Algorithm Developer Jobs

Bana Solutions

London Stock Exchange Group

Onsite

Hybrid

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. Colleagues can get involved through fundraising and volunteering.LSEG offers a range of tailored benefits and support, including healthcare, retirement planning, paid volunteering days and wellbeing initiatives.Please take a moment to read this <a target="_blank" href="https://www.lseg.com/content/dam/lseg/en_us/documents/policies/lseg-global-candidate-privacy-notice.pdf">privacy notice</a> carefully, as it describes what personal information London Stock Exchange Group (LSEG) (we) may hold about you, what it’s used for, and how it’s obtained, <a target="_blank" href="https://nam12.safelinks.protection.outlook.com/?url&#61;https%3A%2F%2Fprivacyportalde-cdn.onetrust.com%2Fdsarwebform%2F5f7a2da0-bed0-45e8-ac2c-c1f297e2efdc%2F4ae30ef5-8107-4353-a0b5-1bf34dd647f6.html.&amp;data&#61;04%7C01%7Cbhavya.rajesh%40refinitiv.com%7C5998c534e4414d538b5008d96d2cce9f%7C71ad2f6261e244fc9e8586c2827f6de9%7C0%7C0%7C637660862381817886%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&amp;sdata&#61;tsXMrVLiU6mEDSYR3lPSoKobrJfrDcmk34w9RIHdUfI%3D&amp;reserved&#61;0">your rights and how to contact us as a data subject</a>. 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.

Algorithm Developer Jobs in Litchfield, IL, US | HiringCafe: every job on earth

Algorithm Developer Jobs in Litchfield, IL, US

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