Explore 2 python test software developer jobs from 2 hiring companies in Montgomery City, MO, US. Filter by remote, salary, experience, and company, then open any listing to apply.

python-test-software-developer

Python Test Software Developer

Fulton

Mexico

Wentzville

Columbia

Troy

O'Fallon

Lake Saint Louis

Washington

Warrenton

Jefferson City

Saint Peters

Dardenne Prairie

Union

Vandalia

Bowling Green

Wellsville

Wright City

Hermann

Weldon Spring

Python Test Software Developer Jobs

FairCom

Mastercard

Hybrid

Onsite

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 Software Engineer<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 This is an exciting opportunity for you to join Mastercard’s Transaction Switching program and improve authorization response time. Authorization sends billions of transactions among the integrated issuers, acquirers, and service providers worldwide. This position is on the performance engineering team in O’Fallon, Missouri and will partner with the development teams to performance test and tune each release. We are looking for software engineers that are passionate about creating high quality software while keeping performance top of mind. • Do you have a passion for solving complex technical challenges? • Do you love learning new technologies and apply it to your team? • Have you developed software before – preferably in C/C++? • Have you spent time in Linux environments? • Have you created scripts to automate manual tasks (i.e. shell script, TCL, Perl, Python)? • Do you understand throughput, latency, memory and CPU utilization? • Do you have experience and prefer working in an Agile environment? Role • Work closely with feature teams to identify risks and anticipate problems to ensure that each release does not negatively impact performance • Dig into the code to determine performance bottlenecks and make the improvement • Design, configure, automate, and execute performance tests • Improve the performance environment with your own code, automation, and onboarding of external tools (i.e. Dynatrace and Splunk) • Work collaboratively and effectively in a fast-paced environment All About You • Proven experience developing backend applications in a Linux environment with C and/or C++ programming language(s) • Deep knowledge and experience of computer architecture with throughput, latency, memory and CPU utilization for performance engineering to test, debug and troubleshoot performance issues. • Clear experience with automation to create scripts for manual tasks (I.e., shell scripting, TCL, Perl, Python) #AI3<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: $115,000 - $184,000 USD<h3></h3><h3></h3><h3></h3><h3></h3>

Senior Software Engineer

Backend C/C++ developer with Linux experience; familiar with performance testing, automation scripting (Python/TCL/Perl), understanding throughput/latency; agile environment.

As our Software Engineer In Test (SDET Engineer), you’ll own and evolve our automated test architecture across FairCom’s core platforms by implementing tests to verify software functionality and performance. You will collaborate with developers to identify software issues, develop automated test plans, and ensure the highest quality standards are met. Your contributions will be crucial to delivering reliable and efficient software products.*This is an in-office position with opportunities for a hybrid schedule post-onboarding.The Day-to-Day:<ul><li>Own automated regression coverage targets.</li><li>Define and track quality KPIs (escape rate, flake rate, mean time to detect).</li><li>Block releases when quality thresholds are not met.</li><li>Modify gating logic and failure policies and coordinate pipeline design reviews.</li><li>Will conduct performance and scalability validation, data correctness across replication, sync, and edge scenarios, and failure-mode testing (network loss, partial writes, crash recovery).</li><li>Design and implement robust automation test frameworks that support continuous integration and continuous delivery (CI/CD) pipelines, enabling efficient and reliable regression testing.</li><li>Lead root-cause analysis of complex defects and partner with engineering to improve product stability and testability.</li><li>Collaborate cross-functionally with Engineering, Product, and related teams to ensure high-quality releases.</li><li>Ensure software meets performance and quality standards.</li><li>Create, manage, and track defects, test cases, and test cycles within Jira, ensuring clear and concise documentation of issues and test progress for development and product teams.</li><li>Conduct regular code reviews throughout active sprints and ensure the testability of the code.</li><li>Continuously improve test automation practices and processes.</li><li>Update and create YAML configuration files used in automation workflows.</li><li>Contribute to and/or review technical documentation to help describe program development, logic, coding, testing, changes, and corrections. </li><li>Acquire and maintain an in-depth understanding of the technical and functional architecture, security, and compliance requirements of assigned software systems and integrations.</li></ul>

Software Development Engineer in Test (SDET)

3–6+ years in software engineering or SDET with automation ownership; degree or equivalent; strong coding in Python/Java; CI/CD and DevOps familiarity; Git; JIRA/Agile; SQL/NoSQL knowledge.

Python Test Software Developer Jobs in Montgomery City, MO, US | HiringCafe: every job on earth

Python Test Software Developer Jobs in Montgomery City, MO, US

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