Sr. Software Engineer, Traffic Infrastructure

Harvey Nash; California (MO); Remote; USD 97,809 - 112,963; Full time

Job summary

A technology services firm is seeking a remote Sr. Software Engineer for the Traffic Infrastructure team. You will be responsible for handling incoming software traffic, focusing on traffic routing and proxy technologies. Ideal candidates have a Bachelor’s degree in Computer Science and experience with high-traffic systems. This mid-senior level contract role offers competitive pay between $71.00 and $82.00 per hour.

Qualifications

• Bachelor’s degree in Computer Science or related technical discipline.
• Experience with high‑traffic systems (millions of QPS) is highly preferred.
• Mindset of a reliability engineer.

Responsibilities

• Develop and maintain traffic routing and proxy solutions.
• Participate in well‑defined projects delivering high‑quality code.
• Work on reliability tasks ensuring code changes do not cause service incidents.
• Take a spec/project and deliver results independently with high attention to detail.

Job description

Sr. Software Engineer, Traffic Infrastructure

Job Overview: The role is a remote Software Engineer position within the Traffic Ingress team responsible for handling all incoming traffic at the software level. The engineer will work primarily on coding and executing well‑defined projects, focusing on traffic routing, proxy technologies and reliability. The position is not a leadership or full‑architectural role but may contribute ideas to design discussions.

Base pay range: $71.00/hr - $82.00/hr

Duration: 6 months

Responsibilities

• Develop and maintain traffic routing and proxy solutions.
• Participate in well‑defined projects delivering high‑quality code.
• Work on reliability tasks ensuring code changes do not cause service incidents.
• Take a spec/project and deliver results independently with high attention to detail.

Qualifications

• Programming Languages: C++ (primary), Rust (optional/plus).
• Traffic Management & Proxy Experience: core to ATS, Envoy (migrating from ATS to Envoy).
• Optional: HAProxy, Cloudflare, general L4/L7 proxy understanding.
• Experience with high‑traffic systems (millions of QPS) is highly preferred.
• Bachelor’s degree in Computer Science or related technical discipline.
• Mindset of a reliability engineer.

Preferred Skills

• Contribution to open‑source projects related to routing/proxy technologies.
• Experience with service migrations (ATS → Envoy).
• Understanding of large‑scale distributed systems.
• Strong communication skills for team collaboration.
• Optional familiarity with machine learning platforms is not necessary.

Employment Type

Contract.

Seniority Level

Mid‑Senior level.

Benefits

Benefits available through Harvey Nash (link: Harvey Nash Benefits). For more information, visit https://www.harveynashusa.com/.