Job#: 3024265 Job Description: Senior Software Developer in Test
Location: Fort Mill, SC | Austin, TX - Tuesday/Wednesday/Thursday on site
Employment Type: Contract
Role Overview
We are seeking a skilled Senior Software Developer in Test (SDT) with expertise in API-level and backend test automation. This role is critical to ensuring reliability, resiliency, and integration quality across advisor, investor, and enterprise platforms. As a senior member of the Quality Engineering team, you will partner with software engineers, architects, and product owners to build test strategies, validate complex integrations, and elevate engineering excellence.
Key Responsibilities
- Lead quality engineering efforts for backend microservices, APIs, and event-driven integrations.
- Define and drive shift-left testing, including contract testing, service virtualization, and CI-driven automated quality gates.
- Collaborate with architects and senior engineers to ensure test strategies align with multi-tier and distributed system architecture principles.
- Design, implement, and maintain automation frameworks for REST APIs, microservices, and end-to-end workflows.
- Build reusable testing utilities, mocks, and stubs.
- Develop high-coverage integration, component, and contract tests.
- Own planning, risk assessment, and strategy for complex cross-team initiatives.
- Ensure test data management best practices for all automated and manual validation.
- Mentor junior and mid-level QE engineers.
- Analyze test results and be a proponent for quality in every phase of the development process.
- Document and track bugs to closure.
- Work in an Agile/Scrum environment to deliver high-quality software.
Required Qualifications
Education: Bachelor's degree in a technical field, Computer Science, Computer Engineering or equivalent.
Experience: 6+ years in Quality Engineering with advanced automation and backend testing experience.
Technical Skills: Strong programming skills in Java, TypeScript/JavaScript, or Python. Hands-on experience testing REST/gRPC APIs, microservices, distributed systems, and multi-tier architectures. Proficiency with automation tools such as Playwright, RestAssured, Karate, Postman/Newman, or pytest. A deep understanding of API architecture, authentication (OAuth2, JWT), and CI/CD pipelines is required, along with strong SQL/NoSQL data validation skills.
Preferred Qualifications
- Master's degree in Computer Science, Computer Engineering or a related field.
- Experience with AWS cloud services.
- Familiarity with observability tools (Grafana, DataDog, Splunk, OpenTelemetry).
- Experience with performance testing tools (k6, JMeter, Locust).
- Experience in financial services or regulated industries.
Work Environment
This position is designated as a hybrid role. The preferred schedule involves onsite work from Tuesday to Thursday.
This employer is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability.
Apex uses a virtual recruiter as part of the application process. Click for more details.
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Apex Systems is a world-class IT services company that serves thousands of clients across the globe. When you join Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRated's Best of Staffing in Talent Satisfaction in the United States and Great Place to Work in the United Kingdom and Mexico. Apex uses a virtual recruiter as part of the application process. Click for more details.
Apex Benefits Overview: Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our 'Welcome Packet' as well, which an Apex team member can provide.
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