Lead Senior Developer, Rust

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Terrabit Networks Pte. Ltd.

WebsiteLinkedInAll Job Openings

51 - 200 employees

Founded 2006

📡 Telecommunications

🏢 Enterprise

🤝 B2B

Telecommunications • Enterprise • B2B

Terrabit Networks Pte. Ltd. is a Singapore-based IT and telecommunications solutions provider that designs, implements and manages resilient enterprise IT infrastructure. The company offers managed IT services, cloud-based solutions, system integration, datacentre and telecommunications engineering, and backup/storage solutions (HPE + Veeam), often delivered with partners such as Extreme Networks. Terrabit focuses on high-availability, redundant systems, network performance, security and managed operations to let business customers outsource infrastructure and maintain uptime.

📋 Description

• Be the technical owner of our proxy platform: a 100% async Rust codebase doing tens of millions of requests/day • 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 (incl. QUIC SNI for HTTP/3) • Reliability & observability — profiling, hot-path tuning, Prometheus/tracing, taming RabbitMQ event pressure • Clean service contracts (gRPC, binary protocols), CI/CD, Helm/K8s delivery, and code review

🎯 Requirements

• 5+ years professional Rust • Tokio mastery • Senior/lead experience on 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 — you simplify systems, not just add to them • Fluent with AI dev tools — you use them to move faster and amplify your judgment, not replace it • Clear English; Asia–Europe time-zone overlap

🏖️ Benefits

• 20 days paid leave • 5 sick days • USD 800/yr office expenses • quarterly profit-sharing