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