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Principal Software Development Engineer

Field-WA SEA, US💼 Full-time💰 $206,800–$206,800🗓 2026-09-30

Core

Design and implement low-latency, high-performance services and APIs for B2B SaaS multi-tenant architecture and self-hosted platforms, focusing on forward/reverse proxy development, dynamic policy enforcement, and traffic interception.

Role type

Principal Software Development Engineer (Go)

Builds

Scalable multi-tenant B2B SaaS applications, forward and reverse proxies, and observability tools.

Domain

Cybersecurity, B2B SaaS, Network Infrastructure

Deliverable

production ML models | product features

Required skills

Go, Python, TypeScript, network protocols, observability tools, API design, agentic frameworks, LLM integration (RAG, embeddings, prompt engineering)

Preferred skills

Experience with forward and reverse proxies, context engineering for AI-assisted development

Technologies

Go, Python, TypeScript, LLMs, RAG, agentic frameworks

Responsibilities

Lead design and implementation of robust low-latency services and APIs; Build and refine forward and reverse proxies for optimal performance; Implement observability tools for monitoring and alerting; Leverage AI development tools and agentic frameworks to accelerate coding and testing; Guide and mentor junior developers on architectural decisions; Engage in continuous evaluation of emerging technologies.

Seniority

Principal, hands-on IC with mentorship

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