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Surfshark

VPN service with privacy protection suite

Senior Backend Engineer - Go

Backend EngineeringConfirmed live in the last 24 hours
Full-timeVilnius, Vilnius City Municipality, Lithuania€6k - €7.2k /mo

About the Job

Requirements

  • Strong experience building production-grade backend systems.
  • Solid understanding of software design principles, distributed systems, and API design.
  • Experience with databases, messaging systems, and service-oriented or event-driven architectures.
  • Ability to reason about concurrency, performance, and reliability.
  • Confidence participating in architectural discussions and technical decision-making.

Responsibilities

  • Design, build, and evolve high-traffic, business-critical backend services, primarily in Go.
  • Lead and influence architectural decisions, from domain modeling and service boundaries to infrastructure and deployment strategies.
  • Drive the evolution of the service platform together with senior and lead engineers.
  • Identify performance bottlenecks and scalability challenges, and propose pragmatic, long-term solutions.
  • Own complex technical initiatives end-to-end, from design to production rollout.
  • Write clean, well-tested, production-grade code while raising engineering standards across the team.

Desired Qualifications

  • Experience building or scaling systems serving millions of requests.
  • Hands-on production experience with Go.
  • Strong understanding of observability, reliability, and operational excellence.
  • Contributed to modernizing or evolving backend platforms.

About the Company

Surfshark

VPN service with privacy protection suite

Surfshark focuses on protecting people’s digital lives by offering a range of privacy and security tools centered on a top VPN service. Its core product is a VPN that encrypts internet traffic and hides a user’s IP, helping online privacy and access to geo-restricted content. Beyond the VPN, Surfshark also develops Antivirus, Alert (data-leak detection), a private search tool (Search), Incogni, Dedicated IP, and Alt-ID, creating a bundled security suite. The company differentiates itself by providing a human-centered privacy approach and a multi-product security bundle, not just a VPN, to address broader online threats. It aims to make privacy protection easy and accessible for millions of users across 100+ countries, continually expanding its product lineup and global presence to secure digital lives across devices and platforms.

Company size
501-1,000
Company stage
Not listed
Total funding
Not listed
Headquarters
Vilnius, Lithuania
Founded
2018

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