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Senior Back-End Developer

Hadrian · Hybrid, Amsterdam, NL

Publiée le 24 oct. 2026

À propos du poste

We're looking for a great developer who will help us hack our back-end to realise our mission. About Us We are a group of hackers from Amsterdam that came together to boost digital security of big organisations. We use a hacker-first approach in a revolutionary way, looking at security platforms and leveraging new cloud technologies to achieve unprecedented scalability. This enables us to run 1000+ (ML-based) scans and tests on potentially 1000+ clients in parallel. Thus, providing continuous, real-time insight into the attack surface of our clients and finding critical vulnerabilities that could result in million dollar data breaches or ransomware attacks. We're currently looking for someone to help us come up with building a careful back-end of Hadrian platform to take the security of big organisations worldwide onto the next level. To learn more about our company, see our website and Notion. What You'll Achieve Join our adventure early: We’re an early-stage startup with a small tight-knit team, so you will get to know and work with all of us. Make a big impact: You’ll help build Hadrian as a best-in-class hacker-based digital security platform for our enterprise customers. Solve complex problems: You’ll work with the product team to solve interesting technical puzzles, so expect to grow a lot as a programmer. Stack We Use - C#, Go, Rust - JSON API - Knative Serving/Eventing - PostgreSql - Docker/Kubernetes What You'll Love Tight-knit team of brilliant people Magical workplace in the heart of Amsterdam Public Transport Card (and a Swapfiets bike) Snacks, drinks and socials Hybrid working Joyful team retreats Generous stock package Unfortunately, we're unable to provide visa sponsorship yet. You also need to be able to come into our Amsterdam office for at least couple of days a week. How does this all sound to you? Would you like to join?

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