Rust Lead Senior Developer (Remote)

Stack

Responsibilities

• ▹Peer-fleet coordination & reliability: lifecycle, keep-alive, health checks, circuit breakers, zombie-peer detection, QoS-aware archiving
• ▹Core protocol work: proxy, SOCKS5, UDP, QUIC, and load balancing under real traffic
• ▹Usage-metering correctness: every byte billed once across HTTP/CONNECT/SOCKS5 TCP+UDP and client aborts, verified by E2E tests
• ▹Security & abuse prevention: domain/SSRF/rate-limit policy, anti-DDoS, per-datagram checks on UDP
• ▹Reliability & observability: profiling, hot-path tuning, Prometheus/tracing, taming RabbitMQ event pressure
• ▹Clean service contracts (gRPC, binary protocols), CI/CD, Helm/K8s delivery, code review

Requirements

• ▹5+ years professional Rust experience, with Tokio mastery
• ▹Senior/lead experience in backend, infra, or systems work
• ▹Strong async/concurrency, performance tuning, and low-level instincts
• ▹Solid TCP/UDP/multiplexer and protocol design knowledge (Protobuf, Bincode, raw)
• ▹Security mindset (TLS, cryptography) and calm production-debugging skills
• ▹Architectural judgment — simplifying systems, not just adding to them
• ▹Fluent with AI dev tools
• ▹Clear English; Asia-Europe time-zone overlap

Soft skills

What we offer

• ▹Monthly base salary plus quarterly profit-sharing

About the company

anyIP.io is a fast-growing proxy provider built by engineers, offering affordable, high-quality residential and mobile proxies in 190+ countries. An AI-first company leaning on AI across the whole stack.