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# Senior Technical Lead

- **Company:** HCL America Inc.
- **Location:** St. Louis, MO, United States
- **Experience:** Expert
- **Salary:** $100,000.0
- **Contract:** Permanent contract
- **Skills:** C (Programming Language), Automation of Tests, Profiling, Code Review, Computer Programming, Continuous Integration, Software Debugging, Linux, Linux Kernel, Network Service, Systems Development Life Cycle, Secure Coding, Socket Programming, TCP/IP, Transmission Control Protocol (TCP), Software Vulnerability Management, Multithreading, Load Balancing, Istio, Concurrency, Integration Tests
- **Published:** October 5, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=9e33c73c32d99149

## About the Role

Senior engineer, ordinarily 8 or more years of relevant software or systems experience., * Strong hands-on development experience in Go or C is mandatory. Candidates without demonstrated Go or C programming experience should not be submitted.

 * Linux systems programming, socket programming, concurrency, multithreading, and network services.
 * TCP/IP and distributed-systems fundamentals.
 * High-performance, highly available, long-running services.
 * Automated testing, debugging, profiling, secure coding, and CI/CD practices.

Other Requirements

Preferred experience

 * Proxy, load-balancing, service-mesh, network-appliance, or traffic-management products.
 * Linux kernel networking and eBPF.
 * Experience moving a proof of concept through enterprise SDLC and production readiness.

## Description

* Review and rapidly understand an existing proxy codebase.
 * Develop traffic-management, failover, connection-draining, recovery, telemetry, and operational-control capabilities.
 * Build reliable software for persistent TCP connections and stateful traffic movement.
 * Resolve defects and improve performance, resiliency, security, and maintainability.
 * Build APIs and integration points for automation and operational tooling.
 * Own unit, component, and integration testing as part of development.
 * Participate in code reviews, SDLC integration, vulnerability remediation, performance certification, and production support.
 * Use AI-assisted development tools responsibly to improve engineering productivity and quality.