Making public data accessible to everyone.
Proxy Network Engineer
Location
Lithuania
Posted
97 days ago
Salary
0
Seniority
Senior
Job Description
Proxy Network Engineer
SearchApi
• Build proxy infrastructure from scratch. Not integrate existing solutions. Write the core systems yourself. • Design and implement rotation systems. IP rotation, session management, sticky sessions, intelligent routing. • Manage IP reputation and quality. Monitor, track, score, and optimize IP health across pools. • Build bandwidth reporting and metering. Track usage, report stats. • Write reverse proxy systems. High-performance, optimized for our use case. Not just configure squid or nginx. • Handle multiple proxy types. Residential, mobile, datacenter, ISP. Understand the differences, characteristics, and when to use each. • Implement geo-targeting. Country, city, ASN level targeting. • Optimize for performance. Every millisecond matters. Every connection matters. • Work with networking fundamentals. Routing, DNS, TCP/UDP tuning, connection pooling, concurrent connection limits. • Support multiple protocols. SOCKS5, HTTP, HTTPS. Different session types and authentication methods. • Understand HTTP/2 and HTTP/3 differences. And how they affect proxy behavior. • Build monitoring and health checks. Track proxy pool health, failover, redundancy. • Handle IPv4 and IPv6. Understand the differences and implications. • Define the architecture. Requirements, not a blueprint. You'll decide how to build it.
Job Requirements
- Deep networking knowledge. TCP/UDP, sockets, connection handling, routing. Not surface-level.
- Protocol expertise. HTTP, HTTPS, SOCKS5. You understand them at the byte level.
- Can write a reverse proxy from scratch. Not just configure squid or nginx. Write the proxy.
- Performance obsessed. You profile, measure, and optimize. You know where the bottlenecks are.
- Understand proxy types. Residential, mobile, datacenter, ISP. Their characteristics, use cases, and limitations.
- Experience with IP reputation. How it works, how to manage it, how to recover from blacklisting.
- Geo-targeting knowledge. Country, city, ASN level. How it works, accuracy limitations.
- Linux networking. iptables, routing tables, network namespaces. Comfortable at this level.
- Self-directed. You don't need someone to tell you what to build next.
- Great writer. Documentation, architecture decisions, protocol specs. Clear communication matters.
- Fluent in English, written and spoken.
- BSc or higher in CS or equivalent technical field.
- Built proxy or networking infrastructure before (not just used it).
- Deep understanding of HTTP/HTTPS/SOCKS5 protocols.
- Experience with high-throughput, low-latency systems.
- TCP/UDP programming at socket level.
Benefits
- Fully Remote. Work from anywhere.
- Equity share. Own a piece of what you're building.
- Profit sharing. When we win, you win.
- Greenfield project. Build something from scratch.
- Annual team retreats (last one in Spain).
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