Software Development Engineer in Test ( SDET )

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• Role Summary

You will design and build test automation frameworks from the ground up, apply developer-level programming to create scalable, reusable test code, and drive comprehensive quality engineering practices (including performance testing and API validation) that go beyond conventional manual QA.

• Key Responsibilities
• Design and build test automation frameworks from scratch (not just utilizing existing frameworks)
• Write developer-level test code in Java, applying OOP principles and design patterns to ensure scalability and reusability
• Conduct performance & load testing (scenario design, traffic simulation, and analysis of bottlenecks, response time, and memory leaks)
• Perform strong API testing (REST/SOAP) — including status code, data accuracy, and integration flow validation
• Write SQL queries to validate data integrity
• Integrate automated tests into CI/CD pipelines for continuous testing
• Understand and apply various testing types: unit, integration, functional, regression, and performance testing (white-box vs black-box)
• Study application data flow through technical documentation to design accurate test scenarios
• Calculate user projections, estimate RPS/TPS, and prepare pre-requisites before executing performance tests

Requirements

• Minimum
• 3 years
• of experience as an SDET, Test Automation Engineer, or Software Engineer focused on quality engineering
• Strong developer-level
• Java
• programming skills, including solid understanding of OOP and design patterns for building scalable, reusable test code (not just scripting)
• Proven ability to design and build test automation frameworks from the ground up
• Experience with performance & load testing using
• JMeter
• scenario creation, traffic simulation, and result analysis
• Strong API testing skills (REST/SOAP) using tools such as
• Katalon
• REST Assured
• Postman
• , or
• SoapUI
• Database & SQL proficiency (e.g.,
• MySQL
• PostgreSQL
• , or
• Oracle
• ) for data integrity validation
• Experience integrating automated tests into CI/CD pipelines (
• Jenkins
• GitLab CI

Familiar with version control

• Git/Bitbucket/GitLab
• Solid understanding of testing concepts: unit, integration, functional, regression, and performance testing; white-box vs black-box testing
• Able to interpret application data flow from technical documentation (e.g., Confluence)
• Able to calculate user load projections, estimate RPS/TPS, and prepare performance test pre-requisites
• Willing to work onsite (WFO) in West Jakarta
• Work Arrangement
• Employment type: Contract
• Contract duration: 12 months (extendable)
• Location: West Jakarta
• Work type: On-site/Work from Office (WFO)
• Expected join date: August/September 2026 (immediate joiners are preferred)