Utrecht, Netherlands Hybrid

ZeroTier is hiring a Senior Back End Engineer

About the Role

We're seeking a skilled Senior Back End Engineer to lead the design and implementation of core services within our cloud-native Central Management Portal. You'll play a central role in evolving RESTful APIs built in Go, driving backend development, and ensuring long-term scalability and reliability across distributed systems.

What You'll Do

  • Design, build, and maintain backend services and API endpoints that power key platform capabilities
  • Own the architecture and ongoing improvement of both public and internal APIs
  • Collaborate with engineers across teams to deliver seamless experiences in the management interface
  • Work extensively with PostgreSQL, PubSub, OpenFGA, and other cloud-native technologies to develop resilient systems
  • Integrate security, testing, and observability practices into development workflows from the start
  • Enhance CI/CD pipelines and monitoring tools to improve deployment speed and system reliability
  • Provide technical leadership through code reviews, mentorship, and thoughtful architectural guidance

What We're Looking For

  • Proven experience designing and operating distributed systems at scale
  • Strong expertise in Go and backend development best practices
  • Experience extending and integrating REST APIs in production environments
  • Commitment to secure, well-tested, and maintainable code
  • Ability to communicate clearly and document technical systems effectively
  • Willingness to engage with modern web technologies when needed
  • Familiarity with a fast-moving, learning-oriented team culture

Preferred Background

  • Experience working in startup or high-velocity environments

Technology Environment

Our stack centers on Go for backend services, RESTful API design, PostgreSQL for data storage, PubSub for messaging, OpenFGA for authorization, and cloud-native infrastructure patterns.

Work & Culture

This is a hybrid role based in Utrecht, with three days per week at the office near Central Station and two days remote. We support flexible hours with management approval. We value diverse perspectives and encourage applicants from all backgrounds, regardless of formal credentials. Our culture emphasizes ownership, continuous learning, and aligning individual contributions with organizational goals.

Compensation & Benefits

  • Competitive salary
  • Equity compensation
  • Employer-contributed retirement savings plan
  • 25 days paid time off annually
  • Career Enhancement Funds to support professional growth
  • Employee referral bonus program

Equal Opportunity

We consider all applicants without discrimination based on race, color, religion, national origin, age, sex, marital status, ancestry, physical or mental disability, veteran status, or sexual orientation.

Required Skills
GoRESTful APIsPostgreSQLPubSubOpenFGAcloud-native servicesdistributed systemsbackend developmentAPI integrationservice architecture GoRESTful APIsPostgreSQLPubSubOpenFGAcloud-native servicesdistributed systemsbackend developmentAPI integrationservice architecture
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About company
ZeroTier
ZeroTier leads the world in next-generation connectivity and cybersecurity. Our platform provides highly secure, peer-to-peer virtual networks, relied upon by millions of users and businesses — from individual users and startups to mid-scale enterprises and Fortune 500 companies. We’re backed by awesome investors including Battery Ventures, Bonfire Ventures, and Anorak Ventures. Founded in 2013 by Adam Ierymenko, ZeroTier’s mission is to make peer-to-peer networking with strong encryption so simple, secure, and intuitive that it becomes the default for the internet. To do this ZeroTier simplifies complex networking across physical boundaries, unifying cloud and edge environments. Our network virtualization platform offers enterprise-grade software-defined networking for every device, service, and applications, whether at the edge or in the cloud. It's powerful enough for large businesses and defense applications, yet easy for individuals to use for tasks like gaming or remote access. Our team is the best of the best, working diligently to solve the hard technical challenges underlying high-performance decentralized networking. We help our customers run networks free of handcuffs and endless minutiae. Come join us!
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Job Details
Department Engineering Team
Category backend
Posted 3 months ago