New

Sr. Software Engineer, Traffic Infrastructure

Genesis10
life insurance, 401(k)
United States, California, Sunnyvale
Nov 24, 2025
Genesis10 is currently seeking a Sr. Software Engineer, Traffic Infrastructure with our client in their Sunnyvale, CA location. This is a 6 month + contract remote position. Summary: As part of our world-class traffic infrastructure team, you will be at the forefront of managing every HTTP request that reaches our client. You will leverage your software engineering expertise and technical leadership skills to enhance the traffic tier's reliability, security posture, operational rigor, and efficiency. The ideal candidate will have in-depth expertise in DNS, traffic engineering, and routing platforms, along with hands-on experience working with technologies like Envoy, Azure Front Door (AFD), Cloudflare, IPVS, Apache Traffic Server (ATS), HAProxy, and various proxy systems. In this role, we rely on your technical leadership to elevate our traffic tier to the next level. Responsibilities: You will act as a domain expert for Traffic Infrastructure at our client and own architectural decisions. You will design, implement, deploy, and maintain traffic routing platforms such as Envoy, Apache Traffic Server (ATS), HAProxy, to optimize global traffic flow. You will partner with customers and leaders to create roadmaps, drive alignments and deliver products. You will lead and mentor teams, while actively building and operating large scale systems. You will define, enforce and continuously raise the bar for craftsmanship at our client, bringing in best practices from the industry. You will build a culture of innovation, with bias for execution. Requirements: BA/BS Degree in Computer Science or related technical discipline, or related practical experience 6+ years experience in software design, development, and algorithm related solutions 6+ years experience programming in C/C++, Rust, Go, or similar languages 2+ years experience hands on experience developing large-scale distributed systems and database 2+ years experience in networking technologies such TCP/IP, HTTP, DNS, etc. Only candidates available and ready to work directly as Genesis10 employees will be considered for this position. Preferred Qualifications: MS or PhD and 6+ years of relevant work experience. Experience in building machine learning platforms at large scale. Experience in seamlessly migrating large-scale legacy critical systems working with legacy systems and codebases. Experience working with traffic systems from CDNs to load balancers, routings and beyond. Experience in building and managing traffic infrastructure using open-source software, such as Apache Traffic Server (ATS), HAProxy, or Envoy. Suggested Skills: C++ L7 Proxy (Envoy, HAProxy, Apache Traffic Server) Software Development Software Design Pay rate range: $53.94 - $87.46 hourly. If you have the described qualifications and are interested in this exciting opportunity, please apply! Ranked a Top Staffing Firm in the U.S. by Staffing Industry Analysts for six consecutive years, Genesis10 puts thousands of consultants and employees to work across the United States every year in contract, contract-for-hire, and permanent placement roles. With more than 300 active clients, Genesis10 provides access to many of the Fortune 100 firms and a variety of mid-market organizations across the full spectrum of industry verticals. For contract roles, Genesis10 offers the benefits listed below. If this is a perm-placement opportunity, our recruiter can talk you through the unique benefits offered for that particular client. Benefits of Working with Genesis10: Access to hundreds of clients, most who have been working with Genesis10 for 5-20+ years. The opportunity to have a career-home in Genesis10; many of our consultants have been working exclusively with Genesis10 for years. Access to an experienced, caring recruiting team (more than 7 years of experience, on average.) Behavioral Health Platform Medical, Dental, Vision Health Savings Account Voluntary Hospital Indemnity (Critical Illness & Accident) Voluntary Term Life Insurance 401K Sick Pay (for applicable states/municipalities) Commuter Benefits (Dallas, NYC, SF) For multiple years running, Genesis10 has been recognized as a Top Staffing Firm in the U.S., as a Best Company for Work-Life Balance, as a Best Company for Career Growth, for Diversity, and for Leadership, amongst others. To learn more and to view all our available career opportunities, please visit us at our website. Genesis10 is an Equal Opportunity Employer. Candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.