F5 logo

Principal Software Development Engineer

F5

Hybrid
San Jose, CA
Full-time
Principal
10+ yrs
$226k–$338kPosted 11h ago

Real job — pulled straight from F5’s careers page · Verified August 12, 2026 · No reposts.

Job description

F5 is hiring a Principal Software Development Engineer — a full-time, based in San Jose, CA role ($226k–$338k). Apply directly on F5's careers page below.

Principal Software Development Engineer

Location: San Jose

Remote Type: Hybrid

Time Type: Full time

Job Description

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.

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.

The Principal Software Engineer plays a key role in building enterprise applications for F5 Engineering and Operations teams.

The Principal Engineer is a thought leader, who continually looks for ways to improve our solutions and then architects, and builds data-driven solutions that empower teams across the organization to make better, faster decisions.

You will set the technical direction, and serve as the key designer for the development, and implementation of complete software components.

You will drive security and performance standards and mentor engineers.

Responsibilities / What you’ll do

  • Lead requirements analysis and define designs for new tools, as well as enhancements to existing tools and systems.
  • Architect and lead the development of scalable and secure back end and front-end systems.
  • Provide technical direction and guide junior engineers.
  • Recommend, establish and maintain technical design methodologies and processes.
  • Develop and implement automated testing strategies to improve efficiency.
  • Implement and drive best coding practices and design patterns.
  • Develop and maintain quality gates for continuous integration and continuous deployment.
  • Collaborate with cross functional teams to ensure high quality project delivery.

Qualifications, what you bring

  • Bachelors or Master’s degree in computer science engineering or equivalent and 10+ years of professional software engineering experience.
  • Expertise in developing Cloud native intelligent analytics solutions.
  • Experience with Go, Python, Java or similar technologies.
  • Expertise in building data warehouse analytics solutions.
  • Strong background with designing backend SQL/ NoSQL databases and performance tuning.
  • Experience with Front end technologies like React.
  • Familiarity with Machine Learning models and AI techniques.
  • Familiarity with System observability and monitoring.
  • Hands on experience with Docker and Kubernetes as well as developing applications using microservices architecture with Cloud platforms such as AWS or GCP.
  • Excellent communication skills and leadership skills. Ability to independently work across team boundaries and own projects.
  • Ability to guide team members on technical aspects.

Preferred

  • Implementation experience with Machine learning models and AI techniques for improved decision making.
  • Experience with PromQL, Tableau, Grafana.

#LI-ZB1

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: $225,600.00 - $338,400.00

F5 maintains broad salary ranges for its roles in order to account for variations in knowledge, skills, experience, geographic locations, and market conditions, as well as to reflect F5’s differing products, industries, and lines of business. The pay range referenced is as of the time of the job posting and is subject to change.

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.

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Frequently asked questions

What is the salary for Principal Software Development Engineer at F5?

The estimated salary range for Principal Software Development Engineer at F5 is $226,000 - $338,000 USD per year.

What skills are required for Principal Software Development Engineer at F5?

The required skills for Principal Software Development Engineer at F5 include: Go, Python, Java, SQL, NoSQL, React, Machine Learning, AI, Docker, Kubernetes, Microservices, AWS, GCP, Tableau, Grafana.

What is the seniority level for Principal Software Development Engineer at F5?

Principal Software Development Engineer at F5 is a Principal level position.

How do I apply for Principal Software Development Engineer at F5?

You can view the full description and apply for Principal Software Development Engineer at F5 on EchoJobs: https://echojobs.io/job/f5-principal-software-development-engineer-5ijgl.