About Freedx
Freedx is a newly established cryptocurrency exchange dedicated to delivering a seamless, secure, and innovative trading experience. Built by a team of seasoned professionals from the crypto, finance, and technology sectors, we’re united by a shared vision for shaping the future of digital finance.
Our goal is simple: to become the most trusted and reliable exchange, empowering users to manage their digital assets confidently and efficiently.
Security, transparency, and scalability sit at the core of everything we do. We continuously innovate to meet the evolving needs of traders, offering cutting-edge tools and services that help clients achieve their financial goals.
Join us as we redefine the standards of digital asset trading and bring true freedom and reliability to the crypto world.
About the Role
We are building a low-latency market-making system for spot and futures across multiple exchanges (Binance, Bybit, OKX, KuCoin) as well as our internal OMS, Matching, Risk, and Hedge engines.
We are looking for a Russian-speaking QA Engineer who understands trading flows, knows how to break complex systems, and can ensure stability in environments where milliseconds matter.
This role is open to both Manual QA and Automation QA profiles.
Responsibilities
- Test the full order lifecycle: placement, cancellation, partial fills, slippage, reduce-only, risk checks.
- Validate the behavior of market-making and hedging logic under real market conditions.
- Test exchange integrations (REST & WebSocket): balances, positions, trades, orderbook data, latency metrics.
- Verify PnL, margin, and exposure calculations across spot and derivatives.
- Test internal services: OMS, Matching Engine, Risk Engine, Hedge Engine, monitoring & alerting pipelines.
- Work with logs, metrics, and real-time data streams.
- Create and maintain test cases, scenarios, and QA documentation.
- Reproduce complex edge-cases: mismatched WS updates, delayed fills, funding spikes, stale data.
Requirements
- 2–4+ years of QA experience (manual or mixed manual/automation).
- Strong understanding of API testing (REST & WebSocket).
- Ability to analyze logs, trace order flows, and debug data inconsistencies.
- Good knowledge of crypto trading basics: order types, orderbook, spreads, fills, PnL.
- Fluency in Russian (required).
- Working proficiency in English (for cross-team collaboration).
Nice to Have
- Hands-on experience with crypto exchanges, trading systems, or algorithmic trading setups.
- Experience with Python test automation (pytest), load testing tools (k6/Locust).
- Familiarity with Kubernetes, CI/CD.
- Familiarity with .NET (C#) and PostgreSQL.
Benefits
- Remote-first flexibility.
- Flexible payment options - choose to be paid in traditional currency (USD) or cryptocurrency (USDT / USDC).
- Be part of a world-class founding team setting new standards in digital asset trading.
- Work on high-impact, low-latency trading infrastructure used across global crypto markets.
- Opportunity to grow as we scale rapidly across markets and product lines.
Top Skills
What We Do
Who We Are:
Freedx is a newly established cryptocurrency exchange dedicated to providing a seamless, secure, and innovative trading experience. Our team comprises experienced professionals from the crypto, finance, and technology sectors, all passionate about driving the future of digital finance. At Freedx, we are committed to creating a platform that empowers our clients with the freedom to manage their digital assets confidently and efficiently.
Our Vision:
At Freedx, our vision is to be the most trusted and reliable cryptocurrency exchange, offering unparalleled freedom and scalability to our clients. We aim to build a platform where users can trade and manage their assets with complete peace of mind, knowing that their security and reliability are our top priorities. We strive to continuously innovate and adapt to the evolving needs of the crypto
market, ensuring that our clients have access to the best tools and services to achieve their financial goals.
Join us on our journey to redefine the standards of digital asset trading and experience the freedom, reliability, and scalability that Freedx has to offer!
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