Senior Software Engineer In Test Jobs in Leander, TX

Job#: 3045028
Job Description:
Senior Software Development Engineer in Test (SDET) - AI-Enabled Quality Engineering
Hybrid - Southlake, TX or Austin, TX
Position Summary
We are seeking a Senior Software Development Engineer in Test (SDET) to drive quality engineering and test automation across modern enterprise platforms. This role partners closely with product owners, developers, architects, and operations teams to improve software quality, release confidence, and engineering productivity through automation, cloud-native testing, and AI-assisted SDLC practices.
Key Responsibilities

• Define and execute test strategies, automation coverage, and release validation plans based on business and technical requirements.
• Design, develop, and maintain scalable automated test frameworks across UI, API, integration, end-to-end, regression, performance, and deployment testing.
• Integrate automated testing into CI/CD pipelines to improve release quality, speed, and reliability.
• Validate distributed, cloud-native, and event-driven systems, including data integrity, service contracts, resiliency, observability, and recovery scenarios.
• Leverage AI-assisted engineering tools (GitHub Copilot, Claude Code, Gemini Code Assist, Cursor, etc.) to enhance test design, automation development, defect analysis, troubleshooting, and documentation.
• Apply prompt engineering, reusable instructions, and AI-augmented workflows to improve quality engineering outcomes.
• Develop and maintain test plans, automation strategies, validation evidence, defect analysis, and release readiness documentation.
• Collaborate with globally distributed teams to drive automation-first, risk-based quality practices across the SDLC.

Required Qualifications

• Bachelor's degree in Computer Science, Software Engineering, Information Systems, or related field (or equivalent experience).
• 8+ years of experience in software testing, test automation, software development, or quality engineering.
• Strong experience building and maintaining automated test frameworks and test suites.
• Hands-on expertise with API, UI, integration, end-to-end, regression, and release validation testing.
• Experience testing cloud-native and distributed applications on platforms such as AWS, Azure, Google Cloud Platform, Kubernetes, Docker, or PCF.
• Strong knowledge of SQL/NoSQL databases and data validation techniques.
• Experience with CI/CD, source control, and Agile delivery tools (GitHub, GitLab, Azure DevOps, Jira, Rally, Confluence).
• Experience with messaging and event-driven technologies such as Kafka, IBM MQ, RabbitMQ, or cloud pub/sub services.
• Knowledge of BDD, TDD, ATDD, shift-left testing, quality gates, and modern quality engineering practices.
• Demonstrated experience using Generative AI tools throughout the SDLC, including test generation, automation development, code reviews, troubleshooting, and documentation.
• Understanding of prompt engineering, responsible AI practices, and AI-assisted software delivery.
• Strong communication, analytical, and problem-solving skills.
• Understanding of broker-dealer operations; financial services experience preferred.

Preferred Qualifications

• Experience as an SDET in Agile, Scrum, Kanban, or Scaled Agile environments.
• Experience with performance, resiliency, observability, chaos, and production-readiness testing.
• Financial services, brokerage, banking, wealth management, or capital markets experience.
• Experience defining automation strategies, framework standards, quality metrics, and release readiness criteria.
• Exposure to AI/ML concepts, Large Language Models (LLMs), Retrieval-Augmented Generation (RAG), and agentic workflows.
• Experience mentoring engineers and driving adoption of test automation and AI-assisted SDLC practices.

EEO Employer
Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law. If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Employee Services Department at or .
Everforth Apex is a world-class IT services company that serves thousands of clients across the globe. When you join Everforth 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 ClearlyRateds Best of Staffing in Talent Satisfaction in the United States and Great Place to Work in the United Kingdom and Mexico.
Everforth Apex uses a virtual recruiter as part of the application process. Click for more details. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Everforth Apex and its affiliates, and contracted partners. Frequency varies for text messages. Message and data rates may apply. Carriers are not liable for delayed or undelivered messages. You can reply STOP to cancel and HELP for help. You can access our privacy policy at
Everforth Apex Benefits Overview: Everforth 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. Everforth 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, Everforth 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. Everforth 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 Everforth Apex team member can provide.
Everforth Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Everforth Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law.
If you require an accommodation under the Americans with Disabilities Act to participate in an interview with a virtual recruiter or to use our website for a search or application, please contact our Benefits Department at or . Please note that this contact information is strictly to be used for medical ADA accommodations and that no other inquiries will be answered.
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