Software Development Engineer in Test

  • Scigon Solutions
  • Chicago, Illinois
  • Full Time


Software Development Engineer in Test Overview

We are looking for a highly capable Software Development Engineer in Test (SDET) who operates at the intersection of quality and engineering. This role goes beyond traditional QA and requires hands-on contribution to the codebase, strong automation expertise, and a deep understanding of system behavior through white box testing.

Key Responsibilities
  • Partner closely with engineering teams to ensure quality is built into the development lifecycle
  • Contribute directly to the codebase, including development of unit tests and test frameworks
  • Design and implement scalable, maintainable test automation across front-end and API layers
  • Develop mocks and stubs to support isolated and deterministic testing
  • Conduct white box testing with a strong understanding of application logic and architecture
  • Drive integration and contract testing to ensure system reliability across services
  • Leverage BrowserStack and similar platforms for comprehensive mobile and cross-browser validation
  • Continuously evaluate and improve test coverage, execution speed, and overall quality practices
Technical Requirements
  • Strong proficiency in JavaScript or TypeScript with hands-on experience using Playwright for front-end automation
  • Solid experience with Golang, particularly in API development, unit testing, and integration testing
  • Proven ability to work within application codebases, not limited to external test layers
  • Experience building mocks, test harnesses, and reusable testing utilities
  • Deep understanding of white box testing principles and modern testing strategies
  • Familiarity with contract testing and service-level validation
What We Are Not Looking For
  • Manual testers without automation or coding experience
  • Candidates focused solely on writing basic automation scripts without system-level understanding
What Success Looks Like
  • High-confidence releases supported by strong automated test coverage
  • Meaningful contributions to both product code and test frameworks
  • Improved testing efficiency, reliability, and scalability across the stack
  • Strong alignment with engineering teams and proactive ownership of quality outcomes
Job ID: 522490245
Originally Posted on: 5/26/2026

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