Network Engineer

Job Description

About You

• 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.
• BSc or higher in CS or equivalent technical field.
  

Required experience:

• 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.
  

We’re especially looking for:

• Experience building residential or ISP proxy networks.
• Understanding of ISP relationships and mobile carrier specifics.
• IP rotation and session management systems.
• IP quality scoring and reputation management.
• Geo-targeting implementation (country, city, ASN).
• Multi-tenancy and customer isolation.
• HTTP/2 and HTTP/3 proxy experience.
• Terraform for infrastructure provisioning.

Are you interested in this position?

Apply by clicking on the “Apply Now” button below!

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