Senior Principal Software Engineer

Volterra

Volterra

Software Engineering

San Jose, CA, USA

Posted on May 15, 2026

At F5, we strive to bring a better digital world to life. Our teams empower organizations across the globe to create, secure, and run applications that enhance how we experience our evolving digital world. We are passionate about cybersecurity, from protecting consumers from fraud to enabling companies to focus on innovation.

Everything we do centers around people. That means we obsess over how to make the lives of our customers, and their customers, better. And it means we prioritize a diverse F5 community where each individual can thrive.

F5, Inc. seeks Senior Principal Software Engineer in San Jose, CA:

Job Duties: Take ownership of data plane components and services on BIG-IP Next APM. Develop expertise across platform components, actively contributing to the continuous improvement of our technology stack. Regularly assist Architects and Managers in defining project scope and estimating efforts, demonstrating a collaborative approach to project management. Work closely with Architects to devise and develop new solutions, particularly those involving cross-module dependencies. Regularly detail all aspects of product design, ensuring alignment with the technical architectural framework. Review product architecture, identifying and addressing performance bottlenecks and other systemic limitations. Liaise with cross-functional teams to ensure comprehensive project delivery, fostering a collaborative work environment. Act as a mentor for junior team members, promoting their growth and development within the team. Engage with customers to address escalations, devise solutions, and collaborate with Product Management to define and deliver product solutions. Part-time telecommuting is an option. Hybrid work from F5 offices in San Jose, CA.

Minimum Requirements: Master’s degree (or its foreign degree equivalent) in Computer Science, Engineering (any field) or a related quantitative discipline and three (3) years of experience in the job offered or in any occupation in related field.

Special Skill Requirements: (1) Kubernetes; (2) OAuth; (3) RESTful Web services; (4) Docker; (5) Artificial Intelligence and Machine Learning; (6) Java; (7) Spring Framework; (8) Python; (9) Node JS. Any suitable combination of education, training and experience is acceptable. Part-time telecommuting is an option. Hybrid work from F5 offices in San Jose, CA.

Salary: $234,400 - $351,600 per annum

Submit a resume with references using the apply button on this posting or by email at: PeopleOps@f5.com at Req.# L25-161023.

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You may also be offered incentive compensation, bonus, restricted stock units, and benefits. More details about F5’s benefits can be found at the following link: https://www.f5.com/company/careers/benefits. F5 reserves the right to change or terminate any benefit plan without notice.

Please note that F5 only contacts candidates through F5 email address (ending with @f5.com) or auto email notification from Workday (ending with f5.com or @myworkday.com).

Equal Employment Opportunity

It is the policy of F5 to provide equal employment opportunities to all employees and employment applicants without regard to unlawful considerations of race, religion, color, national origin, sex, sexual orientation, gender identity or expression, age, sensory, physical, or mental disability, marital status, veteran or military status, genetic information, or any other classification protected by applicable local, state, or federal laws. This policy applies to all aspects of employment, including, but not limited to, hiring, job assignment, compensation, promotion, benefits, training, discipline, and termination. F5 offers a variety of reasonable accommodations for candidates. Requesting an accommodation is completely voluntary. F5 will assess the need for accommodations in the application process separately from those that may be needed to perform the job. Request by contacting accommodations@f5.com.