# Senior Software Development Engineer in Test

> Ajaib · Jakarta, Indonesia (Hybrid) · Full-time · Posted 2025-09-22

**Workplace:** hybrid

**Department:** Engineering

## 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.

## Requirements

-   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.

## Apply

[Apply at Ajaib](https://apply.workable.com/ajaib/j/539E6D9BBF/apply)

---
Powered by [Workable](https://www.workable.com)