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Senior Back End Engineer

ZeroTier Europe B.V.

IND sponsorUtrechtHybrid (Remote / On-Site)hybrid

About the role

We're looking for a Senior Back-End Engineer with strong expertise to architect and implement core features of our distributed and cloud based Central Management Portal. In this role you'll design, extend our RESTful APIs in Go while also contributing to our frontend when needed. You will work as part of an execution focused engineering team, taking ownership of feature delivery, contributing to architectural decisions and ensuring security and code best practices across our services. You’ll also be expected to document and communicate clearly with teammates and stakeholders to ensure reliable and well understood solutions to support business objectives.

What you'll do

Build, ship and iterate on API endpoints and backend services in Go, turning our product ideas into reliable platform features

Own the design and evolution of the public and internal APIs, ensuring speed, scalability and long term maintainability

Collaborate closely with other engineers to power great user experiences in our Central Portal

Develop and operate backend systems using PostgreSQL, PubSub, and OpenFGA, and other cloud-native services

Bake in security, testing and quality from day one to keep our public services safe and dependable as we scale

Improve and maintain our CI/CD pipelines and observability, helping the team catching issues more quickly and move fast with confidence

Act as a senior technical reference in the team, through code reviews, hands-on mentorship and fostering pragmatic engineering decisions and thoughtful architectural decisions

We encourage candidates from non-traditional backgrounds to apply, regardless of formal education, training, and certification. We value diversity of experience and perspectives on our team, and strive to maintain a culture that allows every team member to do great work, bring their best ideas forward, and align those efforts with company goals and practices.

What you'll bring

Senior level experience building and owning distributed systems at scale

Advanced knowledge of Go service development and backend best practices

Willingness to work occasionally on modern web technologies and frontend frameworks

Extensive experience integrating with and extending backend REST APIs

Experience working in a team with a continuous improvement and learning mindset

Demonstrated application of security best practices in public facing services

Ability to write clear technical documentation and communicate effectively with team members

Experience in a startup or fast-paced environment is a strong plus

What's on offer

Competitive salary

Hybrid work environment: we work 3 days at our office at Utrecht Central Station and 2 days from home

Equity compensation package

Retirement savings plan with employer contribution

25-holiday days PTO per year

Flexible work hours (subject to management approval)

Career Enhancement Funds

Employee Referral Bonus

About the company

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.

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