Sr Software Development Engineer

635 F5 Networks Innovation Non-SEZ Private Limited (India); Bengaluru; Hybrid; INR 2,500,000 - 4,000,000; Full time

Job summary

F5, Inc. seeks an experienced Senior Software Development Engineer in Testing to design AI-powered automated testing frameworks and validate complex cloud-scale architectures.

You will lead QA strategy across engineering teams, implement end-to-end test tooling, and drive observability improvements. The role requires deep expertise in Python/Java/TypeScript, modern automation tools (Playwright/Selenium/Cypress), and cloud/distributed systems (AWS/GCP/Azure, Docker, Kubernetes).

Qualifications

• 5–9+ years of combined experience in software development, backend engineering, or SDET/test engineering roles.
• Proficiency in Python, Java, and TypeScript for AI/automation workflows.
• Hands-on with Playwright, Selenium, Cypress, or TestNG/JUnit for test automation.
• Experience with cloud platforms (AWS, GCP, Azure) and containerized/distributed stacks (Docker, Kubernetes, Kafka, Redis, Cassandra).
• Experience with observability/logging tools (Grafana, New Relic, Elasticsearch).

Responsibilities

• Design, build, and scale end-to-end automated testing frameworks with AI agents for autonomous test generation and self-healing suites.
• Develop and maintain scalable test tooling across backend APIs, cloud architectures, and web/mobile interfaces.
• Establish testing strategies for AI/LLM-enabled features including prompt regression and bias evaluation.
• Review code quality and guide testability and architectural health across engineering teams.
• Define and drive test strategy across functional, regression, API, performance, load, and chaos engineering.
• Integrate automated test suites into CI/CD pipelines (GitHub Actions, Jenkins, Azure DevOps, GitLab).
• Investigate complex system failures, performance bottlenecks, and production issues.
• Collaborate with developers, PMs, and DevOps to improve observability and acceptance criteria.
• Mentor junior engineers and promote a quality-first culture.

Skills

Python

Java

TypeScript

AWS

GCP

Azure

Kubernetes

Docker

Kafka

Redis

Elasticsearch

Grafana

New Relic

TestNG/JUnit

Tools

Playwright

Selenium

Cypress

TestNG/JUnit

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. As a Senior Software Development Engineer bridges software development and quality assurance, writing code to build automated test frameworks, validate complex system architectures, and lead quality strategy across engineering teams.

Core Responsibilities

• AI-Driven Automation Infrastructure: Design, build, and scale end-to-end automated testing frameworks, integrating AI agents for autonomous test generation, maintenance, and self-healing suites.
• Framework Architecture: Develop and maintain scalable test tooling and infrastructure across backend APIs, distributed cloud architectures, and web/mobile interfaces.
• AI & LLM Validation: Establish testing strategies for features powered by Large Language Models (LLMs), focusing on prompt regression, hallucination detection, bias evaluation, and determinism.
• Code & Quality Reviews: Act as a technical subject matter expert (SME) for code hygiene, guiding design reviews, and evaluating testability and architectural health.
• Test Strategy & Coverage: Define and drive test strategies spanning functional, regression, API, performance, load, contract, and chaos/resilience engineering.
• CI/CD Integration: Integrate automated test suites and infrastructure into continuous integration and deployment pipelines (e.g., GitHub Actions, Jenkins, Azure DevOps, GitLab)
• Debugging & Root Cause Analysis: Investigate complex system failures, performance bottlenecks, race conditions, and production issues.
• Cross-Functional Collaboration: Partner with software developers, product managers, and DevOps teams to align acceptance criteria and improve system observability.
• Mentorship: Guide junior and mid-level engineers while advocating for a strong quality-first culture.

Key Requirements & Skills

• Experience: Typically 5 to 9+ years of combined experience in software development, backend engineering, or specialized SDET/test engineering roles.
• Programming Languages: Proficiency in languages such as Python(highly preferred for AI workflows), Java, TypeScript.
• Automation Frameworks: Hands-on experience with modern tools like Playwright, Selenium, Cypress, or TestNG/JUnit.
• Cloud & Distributed Systems: Familiarity with cloud platforms (AWS, GCP, Azure) and containerized or distributed stacks (Docker, Kubernetes, Kafka, Redis, Cassandra).
• Infrastructure & Monitoring: Experience using observability and logging tools (e.g., Grafana, New Relic, Elasticsearch)

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. 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 [e-mail].

Hybrid: Employees within 30 commutable miles of an F5 office are required to work from the office a minimum of 30 business days per quarter.

Remote: Primarily work from designated home location but can come into an F5 office to work or travel to an offsite location as needed.

Together, we're building a better digital world. Founded in 1996, F5 is a global leader in application delivery and security. Our premier platform helps customers secure and deliver every app, API, and piece of infrastructure across all environments. Backed by over three decades of expertise and 553 patents, our solutions protect against threats while ensuring fast, reliable digital experiences. With over 6,400 employees, we serve more than 23,000 customers in over 170 countries. To continue this work, we need people like you—the best minds in the industry. We're committed to a unique, human-first culture that encourages authenticity, prioritizes diversity and inclusion, and fosters the growth and success of our employees.