Principal Server Engineer
UserWise Services · Spain · Remote-friendly
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- Company
- UserWise Services
- Location
- Spain
- Employment type
- Full-time
- Posted
- September 21, 2026
About this job
About the Role We're looking for a Principal Server Engineer to own the backend systems powering our live games - services currently supporting 1M+ DAU. You'll be responsible for performance, scalability, and reliability at the core of our infrastructure, working closely with the engineering team on everything from schema design to incident response. Experience: 8+ years Nice to Have CI/CD and DevOps experience (GitHub Actions, GitLab CI) plus monitoring/alerting (Prometheus, Datadog) Strong grasp of networking protocols — WebSockets, gRPC/HTTP2, UDP/TCP tuning for low-latency real-time systems
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