ColdProxy is a global proxy infrastructure provider delivering high-performance residential and datacenter proxy solutions. We are expanding our engineering team and are looking for a skilled
Rust Backend Engineer
to help build, operate, and scale our
proxy server and networking systems
•
This role is ideal for engineers with strong backend experience who enjoy working on
high-traffic, low-latency infrastructure
and IP-based systems.
Responsibilities
• Design, develop, and maintain backend services in
Rust
• Build and optimize
proxy server infrastructure
(traffic routing, IP management, authentication)
• Work with
IPv4 and IPv6
networks at scale
• Monitor system performance, uptime, and reliability
• Integrate and operate observability tools (e.g., Grafana, ClickHouse, metrics systems)
• Diagnose and resolve complex backend, networking, and performance issues
• Improve scalability, stability, and fault tolerance across the platform
• Support incident response and advanced technical troubleshooting
• Collaborate with engineering and operations teams
Requirements
• Proven production experience with
Rust
• Strong understanding of
backend systems and networking fundamentals
• Experience with
proxy servers, VPNs, or IP-based infrastructure
• Familiarity with
HTTP/S, SOCKS, TCP/IP
,
UDP
and connection handling
• Hands-on experience with
monitoring and observability tools
• Ability to analyze and debug performance and latency issues
• Comfortable working in a fully remote environment
• Fluent in English (spoken and written)
Nice to Have
• Experience working with high-concurrency or high-traffic systems
• Knowledge of Linux networking and system tuning
• Experience with ClickHouse, time-series databases, or large-scale metrics
• Background in infrastructure, DevOps, or SRE environments
What We Offer
• 100%
remote work
• Full-time role with a stable, growing company
• Competitive salary (based on experience)
• Flexible working environment
• Opportunity to work on
real-world proxy infrastructure used globally
• Modern tech stack and engineering-driven culture
