Senior Software Engineer - Trading Development

Who We Are

WEBB Traders is a fast-growing, global proprietary trading company, driven by data and technology. We act as a market maker, using our own capital to trade on global stock and derivatives exchanges. By leveraging a large network of interdealer brokers, direct exchanges connectivity and the latest advancements in electronic trading technology, we add liquidity to the financial markets specialized in cash equity and derivatives.

Since our very first trade in 2009, WEBB’s headquarters have been based in Amsterdam, nowadays supported by a strong presence in Paris. With our 70 employees of over 25 different nationalities, we are united in our great ambition to grow WEBB into a global leader in arbitrage and liquidity.

Join us to accelerate your career in the unique trading culture of openness, community and boundary-free entrepreneurship!

📍 This position can be based both in our Amsterdam or Paris office

Your role

We’re looking for an industry expert to help us build a competitive, proprietary trading software stack. This is your chance to shape the core technology that drives our success in the global markets. Partnering with traders and engineers, you’ll deliver high-performance systems designed for speed, precision, and long-term competitive advantage.

What You Bring To WEBB

• Deep industry experience: 5+ years of engineering within the trading world - you know the landscape
• Technical mastery: Expert-level C++, plus strong skills in low latency / high throughput systems, databases, systems architecture, and networking
• Impact mindset: A proven track record of delivering results and making a tangible difference
• Keep it simple: You value clean, efficient solutions over unnecessary complexity
• Endless curiosity: You want to understand how everything works - and then make it better! Team player: You love sharing knowledge and helping your colleagues grow
• Language skills: You communicate effectively and clearly in English, both written and spoken (For our Paris office French would be highly desired on top of English)

• Challenge yourself. Be part of the dynamic work environment and grow along with us
• Make an impact. Get fast, concrete feedback from traders—once your work goes to production, you immediately see how it performs, which makes the impact of your work truly rewarding
• Develop yourself. Join internal and external training sessions covering trading software, agile methodologies, and hardware and software management
• Treat yourself. Enjoy subsidized delicious meals in our office in Amsterdam or with your personal Swile card in Paris
• Stay fit. Sports facility access
• Keep the spirit up. Fun activities with your teammates on a regular basis
• Team up. Great office vibes in the heart of Amsterdam and Paris
• It’s on us. Benefit from travel reimbursement in Amsterdam or a health insurance plan that's 100% paid by us in Paris
• And finally… A competitive reward package including a bonus scheme

• Apply online - Submit your application (in English) through our WEBBsite. We’re excited to hear from you!
• Get to know us - Have an online interview with our Recruiter to align on expectations and see if we’re a match
• Show your skills - Tackle our programming challenge and showcase your engineering superpowers
• Dive deeper - Join a technical discussion with our engineers and exchange ideas on building high-performance systems
• Meet us in person - Visit our office for the final round with our Head of IT, and stick around for a drink to get a real feel for our team
• Welcome aboard! - Receive our offer and get ready to start your journey at WEBB!