Sr. Software Development Engineer in Test (Sr. SDET) at Ajaib

Special capital Region of Jakarta, Java, Indonesia -

Full Time

Start Date

Immediate

Expiry Date

21 Dec, 25

Salary

0.0

Posted On

22 Sep, 25

Experience

5 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

Skills

Test Strategy, Automation Architecture, Test Automation Frameworks, API Testing, UI Testing, Performance Testing, Mentoring, Debugging, Analytical Skills, Problem-Solving, CI/CD Pipelines, Python, Java, JavaScript, Automation Tools, Distributed Systems

Industry

technology;Information and Internet

Description

Ajaib is Indonesia’s leading fintech platform, is seeking a highly skilled Sr. Software Development Engineer in Test II (Sr. SDET II) to drive quality engineering across our rapidly scaling microservices platform. As the technical leader of our QA/SDET function, you’ll shape test strategy, build cutting-edge automation frameworks, and mentor SDETs to deliver zero-defect releases at scale. This is a senior individual contributor role with technical leadership responsibilities - ideal for someone passionate about test architecture, advanced automation, and quality culture, without full-time people management duties. What You’ll Do Own test strategy and automation architecture for multiple squads or product areas spanning backend, frontend, and mobile. Design, build, and scale test automation frameworks for API, UI, contract, integration, and performance testing. Partner with engineering leads and architects to embed testability and quality gates into designs and CI/CD pipelines. Mentor and upskill SDET engineers, review their test designs, and drive best practices across squads. Lead cross-functional initiatives on non-functional testing — performance, reliability, security, and chaos engineering. Collaborate with DevOps to optimize test pipelines for speed, scalability, and reliability. Diagnose complex production issues, perform root-cause analysis, and drive systemic fixes. Innovate and introduce tools, test data solutions, mocks, and dashboards that improve developer productivity and release confidence. Bachelor’s degree in Computer Science, Software Engineering, or related field (or equivalent experience). 6+ years of experience in QA/SDET/software engineering, with at least 2+ years designing frameworks and leading quality initiatives. Strong programming skills in Python, Java, or JavaScript/TypeScript (can design and extend frameworks). Expertise in modern automation tools (WebdriverIO, Cypress, Appium, Selenium, Playwright, REST Assured, etc.). Proven experience testing distributed systems / microservices architectures, including API contract testing and service mocking. Solid understanding of performance, load, and security testing (JMeter, Gatling, k6, OWASP). Hands-on with CI/CD pipelines (GitHub Actions, GitLab CI, Jenkins, etc.). Exceptional debugging, analytical, and problem-solving skills. Strong communicator with experience influencing engineers and stakeholders at multiple levels. Experience with AI-assisted automation tools or integrating AI to optimize test coverage and efficiency.

Responsibilities

Own test strategy and automation architecture for multiple product areas, and design and build test automation frameworks. Collaborate with engineering leads to embed quality gates into designs and mentor SDET engineers.