Staff Software Engineer, Traffic & Networking Platform

Mosaic.tech; New York (NY); On-site; USD 200,000 - 275,000; Full time

Job summary

Peregrine Technologies in New York seeks a Staff Software Engineer, Traffic to expand our Platform team. You’ll design and build software-defined networking capabilities that enable secure, scalable communication across cloud, Kubernetes, and service boundaries.

You will own reliability, observability, and performance of traffic systems, work across infrastructure, security, and product engineering, and help shape architectural direction while collaborating with teams.

Qualifications

• 9+ years of experience in software, infrastructure, or network engineering roles.
• Strong programming skills (Python/Go) with production systems experience.
• Deep understanding of networking fundamentals (TCP/IP, routing, DNS, load balancing).

Responsibilities

• Design and build scalable networking software for cloud, Kubernetes, and service boundaries.
• Develop platform capabilities for service communication, routing, traffic management, and observability.
• Extend APIs and services for reliable, self-service networking.
• Design systems for safe configuration, policy enforcement, and traffic rollout.
• Own reliability, scalability, and observability of networking and traffic management.

Skills

Python

Go

Distributed systems

Networking

Debugging

Architectural direction

Job description

Peregrine Technologies in New York seeks a Staff Software Engineer, Traffic to expand our Platform team. You’ll design and build software-defined networking capabilities that enable secure, scalable communication across cloud, Kubernetes, and service boundaries.

You will own reliability, observability, and performance of traffic systems, work across infrastructure, security, and product engineering, and help shape architectural direction while collaborating with teams.