Are you a passionate developer who loves building systems that directly impact live trading environments? We’re looking for a Software Engineer with interest in trading to join a proprietary high-frequency trading (HFT) firm operating in the crypto markets. You’ll help enhance and maintain a custom-built trading platform using TypeScript and Node.js, while contributing ideas and tech solutions that push the boundaries of digital asset trading.

This is not your typical software role—our work lives at the intersection of real-time systems, financial data, and strategic execution. If you thrive in fast-paced environments and enjoy taking ownership of your code, this is your chance to work with a tight-knit team that’s shaping the future of crypto trading.

Who We Are

We’re a proprietary HFT firm in the crypto industry. Our platform powers a wide range of market-making strategies across global cryptocurrency exchanges. By providing liquidity and stabilizing bid/ask spreads in spot markets, we play a key role in ensuring fair and efficient pricing for all participants.

As part of a broader group of companies in the digital asset space, we benefit from shared knowledge and resources while maintaining our own focused identity. With a team of 90+ professionals and a collaborative, tech-driven culture, we’re building tools to lead the next wave of innovation in digital finance.

Responsibilities

• Develop and maintain the backend of a custom-built, high-performance trading platform
• Build and integrate new trading strategies within the system
• Connect and manage third-party APIs for market data and trade execution
• Provide operational support to ensure smooth performance in live trading environments
• Propose new features and tools that improve system robustness and performance

What You Bring

• MSc degree (or equivalent experience) in Mathematics, Physics, Econometrics, Artificial Intelligence, or a related field
• Minimum of 2 years of experience in a Trading Engineer or backend development role
• Strong experience with TypeScript and Node.js
• Experience with API development and integration
• Familiarity with event-driven architectures
• Working knowledge of MySQL (or similar SQL databases)
• Understanding of Redis and Docker
• Basic experience with Python is a plus

What We Offer

• Competitive salary
• Innovative Work: Be part of a team driving new technology in the crypto trading space
• Modern Workspace: Work in our new office at Schiphol-Rijk
• Daily Perks: Free lunch, fresh fruit, and weekly Friday drinks at our in-house bar
• Team Culture: Monthly team events and activities
• Commuting & Pension: Travel allowance and a solid pension plan
• Benefits & Wellness: 25 vacation days, monthly chair massages, gym access, and the Alleo benefit platform
• Home Setup: €250 home-office budget after your probation period

If you're excited about combining backend engineering with real-world financial impact in a rapidly evolving industry, we’d love to hear from you.