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Senior Backend EngineerSytac · The Randstad
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Sytac

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Senior Backend Engineer

🗓️ Posted 2026-09-22 The Randstad Hybrid ICT
💰 Salary Not shared 📊 Market 5,500 EUR–8,000 EUR/mo

About the Company

At Sytac , we build high-performing engineering teams for leading organizations. We combine a pragmatic, people-first culture with technical craftsmanship, giving engineers the autonomy to do their best work in real production environments. We are looking for a Senior Backend Engineer - Kotlin / Java to join one of our key clients in the Netherlands. You are a software engineer who takes pride in clean, production-grade code and you treat craftsmanship as a standard, not an extra.

Responsibilities

  • ● Build, own, and operate backend services in Kotlin or Java using Spring Boot on cloud infrastructure (Azure, GCP or equivalent).
  • ● Write clean, well-tested, maintainable code, comprehensive test coverage is part of how you work.
  • ● Run services in production: CI/CD, incident response, and continuous improvement in a Kubernetes environment.
  • ● Apply solid design patterns and clean code principles to keep things healthy at scale.
  • ● Work with SQL and NoSQL databases and choose the right one for the job.
  • ● Collaborate actively with engineers and business stakeholders, flag issues early, and help shape a strong team culture.
  • ● Use AI and agentic development tools where they genuinely add value.

Requirements

  • ● 8+ years of backend engineering experience in complex, fast-moving environments.
  • ● Strong hands-on Kotlin and/or Java (JVM) skills with Spring Boot.
  • ● Solid cloud experience, Azure, GCP, or similar.
  • ● Deep understanding of software craftsmanship, clean code, and design patterns.
  • ● Experience with both SQL and NoSQL databases.
  • ● Day-to-day Kubernetes and CI/CD experience in production.
  • ● Independent and proactive, you focus on what matters and move fast when it counts.
  • ● Clear communicator who connects well with both technical and business teams.
  • ● Affinity with AI-assisted and agentic development approaches.
  • ● Python and/or ReactJS experience.
  • ● Experience in regulated or high-availability environments.
  • ● History of contributing to engineering standards, team culture, or internal knowledge sharing.
  • ● Unlimited Growth Days : Time off for learning, conferences, and Sytac activities.
  • ● The Best Gear : Choose your own laptop (up to 4,000, we cover 50%) plus a tech budget.
  • ● Invest in You : 2,400 annual budget for training and certifications.
  • ● Future Proof : 3.75% employer pension contribution.
  • ● Legendary Trips : Ski trips, beach BBQs, and epic parties.