F5 · 8 hours ago
Principal Software Development Engineer
Greater Seattle Area
Full-time
Hybrid
Lead/Staff
$186K/yr - $280K/yr
8+ years expF5 is a company dedicated to creating a better digital world by empowering organizations to secure and run applications. They are seeking a Principal Engineer to design, develop, and implement software components, focusing on high performance and scalability while mentoring junior staff and collaborating with cross-functional teams.
Consumer ElectronicsSaaSSecurityVirtualization
Responsibilities
Lead requirements analysis and define designs for new tools, as well as enhancements to existing tools, utilities, environments, and systems
Plan and implement design specifications for engineering projects
Assist architects and managers with project scoping, estimation, and planning
Provide technical direction and guide the workflow of engineers within assigned projects
Collaborate with cross-functional teams to ensure complete and timely project delivery
Mentor junior team members and support their technical development
Recommend, establish, and maintain technical design methodologies, processes, and standards
Participate in cross-functional design efforts to develop expertise across multiple modules and systems
Engage with customers to address escalations and develop effective solutions
Partner with Product Management to define and refine detailed product requirements
Uphold F5’s Business Code of Ethics and promptly report violations of company policies
Perform other related duties as assigned
Qualification
Required
Typically requires a minimum of 10 years of related experience with a Bachelor's degree; or 8 years and a Master's degree; or a PhD with 5 years experience; or equivalent experience
Deep expertise across the full vertical technology stack, with strong proficiency in C/C++ programming
Proven ability to drive complex product development initiatives from concept to release
Extensive hands-on experience with embedded operating systems
Prior experience with cloud technologies, particularly AWS, Kubernetes (K8s), and distributed, scalable systems, including their deployment models, with a strong focus on scalability, performance, and security
Exceptional analytical and problem-solving skills
Ability to collaborate and excel in a fast-paced, high-performance environment
Benefits
Incentive compensation
Bonus
Restricted stock units
Benefits
Company
F5 is a multi-cloud application services and security company that specializes in application security, performance, and delivery.
5001-10000 employees
H1B Sponsorship
F5 has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (155)
2024 (110)
2023 (211)
2022 (194)
Funding
Current Stage
Public CompanyTotal Funding
unknownKey Investors
Elliott Management Corp.
2020-11-08Post Ipo Equity
1999-06-04IPO
1998-09-24Series Unknown
Leadership Team
François Locoh-Donou
President and CEO
Mohan Veloo
Chief Technology Officer - Asia Pacific, China & Japan
Recent News
Business Wire
2026-01-16
2026-01-15
2025-12-24
Company data provided by crunchbase