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F5 Principal Software Engineer 
United States, Washington, Seattle 
190349830

22.05.2025

We’re looking for a
Principal Software Engineerwith deep experience building and scaling SaaS platforms in the cloud. This role requires a hands-on technical leader who can architect and deliver complex, distributed systems while mentoring engineers and driving cross-functional alignment.

You’ll lead design and development of scalable microservices, define engineering best practices, and help shape the future of our SaaS platform. This is a highly influential role focused on delivering performant, secure, and reliable solutions that align with business goals.

What You’ll Do

  • Lead architecture and development of scalable, enterprise-grade backend systems and APIs

  • Drive design reviews and partner with stakeholders to align technical solutions with product strategy

  • Mentor engineers, promote engineering excellence, and foster continuous improvement

  • Influence cross-team technical direction and ensure alignment with scalability, security, and observability best practices

  • Define and uphold high standards for code quality, maintainability, and performance

  • Own implementation of observability, testing, and monitoring strategies

What You Bring

  • Deep expertise in microservices, distributed systems, and cloud-native technologies (Kubernetes, Docker, GitOps, CI/CD)

  • Proficiency in backend development with Golang or similar languages (Java, C++, Rust)

  • Strong understanding of SQL/NoSQL databases, performance tuning, GRPC, Kafka, Protobuf

  • Knowledge of DNS, CDN, networking principles, and Linux systems (including scripting and automation)

  • Excellent analytical and debugging skills with a track record of owning mission-critical systems

  • Strong communication and leadership skills, with experience mentoring teams and influencing technical direction

Qualifications

  • 10+ years of backend software engineering experience in cloud-native environments

  • Bachelor’s or Master’s degree in Computer Science, Engineering, or equivalent industry experience

The Job Description is intended to be a general representation of the responsibilities and requirements of the job. However, the description may not be all-inclusive, and responsibilities and requirements are subject to change.

The annual base pay for this position is: $181,774.00 - $272,660.00