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Senior Site Reliability Engineer (SRE) – Infrastructure & Systems (B2B)

TallinnRemoteFull-time

AI Summary

Owns and evolves production infrastructure for a proxy platform, leading the migration to Kubernetes, maintaining high availability across hundreds of servers and services, and driving observability and IaC practices.

About this role

Webshare is an enterprise-grade proxy platform delivering fast, self-service access to over 80 million global IPs across 195 countries. Built for extreme reliability with 99.97% network uptime, it enables tens of thousands of businesses worldwide to run large-scale web scraping, market research, and automated data collection through dev-friendly APIs.

In this role, you’ll:

  • Own and evolve Webshare's production infrastructure.
  • Lead the migration from Docker Swarm to Kubernetes on premises.
  • Maintain high availability across hundreds of servers and ~50 services.
  • Drive observability in cooperation with the development team.
  • Establish and enforce IaC practices, CI/CD pipeline reliability.
  • Participate in the on-call rotation alongside backend engineers.
  • Respond to and lead to an infrastructure incident resolution, run post-mortems and drive systematic remediation.
  • Contribute to platform tooling that improves developer experience and reduces infrastructure toil.
  • Own infrastructure together with a strong team of backend engineers.

    • Your skills & experience:

  • Have built and operated highly available infrastructure at a scale: hundreds of servers, dozens of services, real production load.
  • Hands-on K8s in self-hosted / bare-metal environments.
  • Confident with Infrastructure as Code.
  • Proactive, surfaces problems before being asked, keeps the team informed without prompting.
  • Scripting and development skills.

    • Nice to have:

  • Led at least one major infrastructure migration - planned, executed, and stabilised it.
  • Python and/or Go familiarity - backend is Python, edge services are Go.
  • Exposure to proxy, networking-heavy infrastructure.
  • Previous experience in a small team where developers shared infrastructure responsibility.
  • Familiarity with edge clusters or split compute/edge architectures.

    • Salary & Benefits:

  • Gross salary: From 7000 EUR/month gross + quarterly KPI-based performance bonus. Keep in mind that we are open to discussing a different salary based on your skills and experience.
  • Growth & Learning: 40+ internal learning options, external conferences, mentorship, and year-round knowledge-sharing.
  • Health & Well-being: Private health insurance, gym allowance and a wellness app.
  • Celebration & Community: Team events, an overseas workation and plenty of ways to mark milestones together.

    • Skills

    Bare-metalCI/CDDocker SwarmGOInfrastructure As CodeKubernetesNetworkingObservabilityOn-callPost-mortemsProxy InfrastructurePython

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