Principal Software Development Engineer

🕒 September 30

☕ Washington – Remote

☕ Washington – Remote

💵 $206.8k - $310.2k / year

⏰ Full Time

🔴 Lead

🧑‍💻 Full-stack Engineer

🦅 H1B Visa Sponsor

This company has sponsored H1B visas in the past.

👻 Ghost score 0%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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F5

WebsiteLinkedInAll Job Openings

5001 - 10000 employees

🔒 Cybersecurity

☁️ SaaS

🏢 Enterprise

💰 Post-IPO Equity on 2020-11

Cybersecurity • SaaS • Enterprise

F5 is a technology company that specializes in application services and security, enabling organizations to optimize, secure, and control their digital applications. They offer a range of solutions that enhance application performance, availability, and security across any cloud environment.

📋 Description

• Lead the design and implementation of robust low-latency services and APIs • Develop scalable multi-tenant architectures • Build and refine forward and reverse proxies for performance and security • Implement observability tools for monitoring and alerting across services • Leverage AI development tools and agentic frameworks for coding, testing, and problem-solving • Guide and mentor junior developers • Take initiative in architectural decisions and integrate team feedback • Evaluate emerging technologies and methodologies to improve system architectures and development practices

🎯 Requirements

• Proven track record as a Go developer • Experience developing low-latency applications • Experience working with multi-tenant B2B SaaS architectures • Experience developing both forward and reverse proxies is highly desirable • Expertise in Go programming • Proficiency in Python and/or TypeScript • Understanding of network protocols and concepts • Experience with monitoring and observability tools • Hands-on experience with AI development tools and integrating AI assistance into daily development workflows • Experience with agentic frameworks and context engineering is highly desirable • Experience with public API design and engineering is beneficial • Familiarity with LLMs, embeddings, RAG architectures, and prompt engineering is a plus • Ability to lead projects with minimal guidance • Excellent problem-solving skills • Strong analytical mindset • Excellent verbal and written communication abilities

🏖️ Benefits

• Incentive compensation • Bonus • Restricted stock units • Benefits package • Reasonable accommodations for candidates