Software Development Engineer in Test (SDET)
AjaibEast Jakarta, Indonesia
Posted September 22, 2025
Full Time
About the Company
Founded in 2019, Ajaib is a rapidly growing investment platform in Indonesia. It offers financial technology services such as stock trading, mutual funds, and coins. The simplicity of investing through Ajaib inspired our name, which means "magic," as we aim to disrupt the financial industry magically. Our goal is to make stock trading accessible to millennials with our mobile-first approach, low fees, and user-friendly interface. Ajaib has become Indonesia's first fully online stock brokerage, with no offline brokers or branches. Trusted by over 3 million customers, we are the fastest-growing investment startup in Southeast Asia. Backed by top investors like DST Global, Horizons Ventures, and Alpha JWC Ventures, we proudly became Indonesia's first investment fintech unicorn.
Job Description
Ajaib is seeking a Software Development Engineer in Test (SDET) to drive quality engineering across their rapidly scaling microservices platform. The role focuses on implementing automated tests, maintaining scripts, and participating in QA tasks under guidance of senior SDETs. The SDET function collaborates with engineering, DevOps, and QA teams to improve testability and quality.
Requirements
- Bachelor’s degree in Computer Science, Software Engineering, or related field (or equivalent experience)
- 3+ years of experience in QA/SDET/software engineering
- Strong programming skills in Python, Java, or JavaScript/TypeScript
- Expertise in modern automation tools (WebdriverIO, Cypress, Appium, Selenium, Playwright, REST Assured, etc.)
- Proven experience testing distributed systems / microservices architectures
- Solid understanding of performance, load, and security testing
- 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
- Experience with AI-assisted automation tools
