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Senior Software Engineer Quality Engineering SDET

Summary

Build and maintain automated test frameworks for a blockchain-based exchange and fintech app, validating trading logic, APIs, and performance under high load.

You will work as an SDET software engineer on either the fully on-chain Strium exchange or the Startale App. You will define quality and release standards, build scalable end-to-end automation, validate trading and API behavior, modernize testing infrastructure, run performance tests, and establish reproducible test environments and data.

Responsibilities

  • Define quality standards, release criteria, and quality metrics
  • Design, build, and operate scalable end-to-end automated testing frameworks
  • Validate execution paths, price impact, fee calculations, and user paths for Strium
  • Modernize, optimize, and expand the existing end-to-end testing infrastructure for Startale App
  • Test API responses and consistency with frontend behavior
  • Conduct API load and stress testing for high-throughput systems
  • Design reproducible testing environments and test data
  • Define testable acceptance criteria with engineering and product teams
  • Build automated tests through CI/CD
  • Use AI for test generation, development workflows, and test maintenance

Requirements

  • 5+ years of professional experience
  • Advanced English proficiency
  • Write production-quality software
  • Build scalable automated test frameworks and reusable test libraries from scratch
  • Have 5+ years of experience in SDET, quality engineering, test automation, or software engineering
  • Have practical experience with Playwright, Cypress, REST, JSON-RPC, or WebSocket testing
  • Have experience integrating automated tests into CI/CD pipelines
  • Have experience with Docker and containerized testing environments
  • Have experience testing complex distributed systems, fintech, or financial products
  • Work autonomously as the sole QA or SDET for a product or team
  • Learn and adopt unfamiliar domains quickly
  • Blockchain experience is not required

Benefits

  • Stock option program
  • Hybrid work with conditional full remote work
  • Annual company workation
  • Flexible discretionary leave policy

See also