F5 · 1 week ago
Sr Software Development Engineer - Testing and Performance
Greater Seattle Area
Full-time
Hybrid
Senior Level
$162K/yr - $242K/yrF5 is dedicated to creating a better digital world by empowering organizations to secure and run applications. The Sr Software Development Engineer - Testing and Performance will focus on performance testing, test design, and automation for TMOS and F5OS applications, collaborating with various teams to enhance product quality.
Consumer ElectronicsSaaSSecurityVirtualization
Responsibilities
Experience in handling performance regression and debugging failures to find product bugs
Works both independently and with principal engineers to develop high-quality test automation that verifies system level features
Emphasis in this position will be in traffic automation design and automation
Executes, analyzes and evaluates test results, reports and assists in resolution of product issues
Participate actively in code review process; posting reviews; incorporating feedback along with reviewing automation submitted by other team members for adherence to coding standards
Develops expertise in features and components of the product to understand how to design test automation to verify the feature
Qualification
Required
Experience working with TMOS or F5OS
Masters or Bachelor's degree in Computer Science, Software Engineering, or equivalent field or work experience
Experience in writing traffic automation using industry-standard traffic generators such as Ixia
Experience in the testing and/or development of computer software
Experience in handling performance regression and debugging failures to find product bugs
Works both independently and with principal engineers to develop high-quality test automation that verifies system level features
Emphasis in this position will be in traffic automation design and automation
Executes, analyzes and evaluates test results, reports and assists in resolution of product issues
Participate actively in code review process; posting reviews; incorporating feedback along with reviewing automation submitted by other team members for adherence to coding standards
Develops expertise in features and components of the product to understand how to design test automation to verify the feature
Experience with developing Python-based test automation frameworks to validate F5 BIG-IP or F5OS products preferred. Background in TMM a plus
Solid understanding of software quality methodologies and processes
Expertise with container technologies (e.g. Kubernetes, Docker, etc.)
Experience with CI/CD and project management tools (e.g. Git, Gitlab, Jira, Bugzilla, etc)
Experience with RESTful API development, JSON, and microservice architectures
Able to collaborate and thrive in a fast-paced high-performance environment
Knowledge of IP networking: routing, switching, and network standards from layer 1 through the transport and application layers
Strong organizational skills, analytical skills, attention to detail and excellent problem solving/troubleshooting skills
Strong networking knowledge, working knowledge of HTTP, DNS, TCP/IP required
Ability to balance multiple projects as once in a high paced environment
Preferred
Preferably in the Linux environment using Python
Track record of building automation scenarios that validate product requirements and execute customer scenarios with reliability and stability
Experience working with geographically dispersed teams preferred
Work experience in performance testing is a plus
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.
Founded in 1996
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
2025-12-24
Company data provided by crunchbase