QA Lead
EMCD is building and scaling its own trading platform, and we're looking for a Senior QA Engineer with strong trading domain experience to take ownership of product quality across the platform.
This role is ideal for someone who wants to stay hands-on, influence QA strategy, and gradually grow into a leadership position with a small team of 2 QA engineers.
Responsibilities
- Own and improve end-to-end QA processes across the exchange platform
- Drive QA for the trading core, including matching, risk, spot, derivatives, custody, gateways, and market data
- Define release quality gates, test coverage expectations, regression scope, and acceptance criteria
- Develop testing approaches for trading scenarios: order lifecycle, balance consistency, margin, liquidations, ADL, funding, and PnL
- Own performance and stress testing processes: latency, throughput, stability, and regression tracking
- Organize contract and end-to-end testing between distributed services
- Improve test environments, test data, simulators, and staging reliability
- Participate in incident reviews from a QA perspective and help prevent recurring production issues
- Contribute to QA standards and help shape the future QA setup of the team
Requirements
- 5+ years of experience in QA and mandatory experience in trading, exchange, or brokerage
- Strong understanding of trading concepts: orders, order book, margin, balances, PnL, liquidations, funding, and market data
- Experience building or significantly improving test automation: frameworks, CI integration, reporting, and test data
- Strong understanding of distributed systems testing: contract testing, idempotency, race conditions, eventual consistency, fault tolerance, and chaos testing
- Hands-on experience with performance and load testing using tools such as k6, Gatling, JMeter, or custom generators
- Ability to work closely with engineering: review specifications, challenge design decisions, and define test strategy early
Nice to Have
- Experience with a crypto exchange, CEX, custody, or market-making infrastructure
- Experience with property-based or fuzz testing tools
- Security testing experience or participation in pentest processes for financial systems
What We Offer:
- Fully remote work from anywhere in the world
- Flexible working hours focused on results
- 28 calendar days of vacation + 12 additional bonus days
- Paid sick leave with no bureaucracy
- Compensation for courses, certifications, and training programs
- Real ownership of one of the most critical parts of the exchange infrastructure
