Staff Software Development Engineer

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About Zscaler

Zscaler accelerates digital transformation to ensure our customers can be more agile, efficient, resilient, and secure. As an AI-forward enterprise, we are constantly pushing the envelope, leveraging the world’s largest security data lake to power our cloud-native Zero Trust Exchange platform. This innovation protects our customers from cyberattacks and data loss by securely connecting users, devices, and applications in any location.

Here, impact in your role matters more than title and trust is built on results. We say, impact over activity. We seek innovators who actively use AI to amplify their impact and who thrive in an environment where we leverage intelligent systems to stay ahead of evolving threats. We believe in transparency and value constructive, honest debate—we’re focused on getting to the best ideas, faster. We build high-performing teams that can make an impact quickly and with high quality. To do this, we are building a culture of execution centered on customer obsession, collaboration, ownership, and accountability.

We value high-impact, high-accountability with a sense of urgency where you’re enabled to do your best work and embrace your potential. If you’re driven by purpose, thrive on solving complex challenges, and want to be part of the team that’s helping to secure the AI age, we invite you to bring your talents to Zscaler and help shape the future of cybersecurity.

Role

We are looking for a Staff Software Development Engineer to join our Emerging Tech department in a hybrid capacity in Bangalore, reporting to the VP, Software Engineering.

This is a green field opportunity to define and build a new class of market-defining AI security products. As a member of a growing team, you will be validating and testing security controls for AI-specific traffic, ensuring the integrity of model inference endpoints, ensuring our services are reliable, scale efficiently, and offer a delightful experience to our customers.

What you’ll do (Role Expectations)

• Collaborating with teams during design, and maintaining cloud-based software solutions
• Validate and test inference code performance, ensuring seamless integration between LLMs and CUDA libraries
• Perform testing at scale with strong proficiency in Python for test automation, leveraging modern testing frameworks and AI-driven tools to design, develop, and maintain comprehensive test cases
• Provide actionable insights to the development team to enhance product quality and support effective issue debugging
• Creating, executing, and maintaining comprehensive test plans and test cases to identify issues, validate product functionality, and ensure product quality

Who You Are (Success Profile)

• You are a problem-solver who seeks out challenges because you are energized by finding solutions, knowing that solving the hard problems delivers the biggest impact.
• You are a learner with a true growth mindset and never stop developing yourself, actively seeking feedback to become a better partner and a stronger teammate.
• You are a positive force who approaches hard problems with constructive energy and a 'can-do' spirit that is contagious, inspiring your team to stay focused on the solution.
• You operate with urgency and understand that in a high-growth environment, speed and quality are not mutually exclusive, maintaining a relentless focus on execution and a bias for action.
• You champion simplicity and are skilled at distilling complex problems, user needs, and technical concepts into clear, simple, and actionable plans.

What We’re Looking for (Minimum Qualifications)

• Extensive experience in Test Automation and QA best practices, including 5+ years of programming experience in Python
• Background building tools and utilities to support the testing and development process, proficiency with Linux or Unix systems, and experience in test automation framework development
• Solid understanding of CI/CD concepts and pipelines, with experience in API/UI testing and automation
• Comprehensive understanding of SDLC, STLC, and Agile/Scrum methodologies, along with experience using defect tracking tools like JIRA
• Proficiency with AI tools for software development and familiarity with AWS cloud and Kubernetes

What Will Make You Stand Out (Preferred Qualifications)

• Advanced Automation Expertise: Proven track record in designing and maintaining robust test suites using pytest and Playwright
• AI/ML Domain Knowledge: Direct experience in validating AI-driven products

#LI-Hybrid

#LI-KM8

At Zscaler, we are committed to building a team that reflects the communities we serve and the customers we work with. We foster an inclusive environment that values all backgrounds and perspectives, emphasizing collaboration and belonging. Join us in our mission to make doing business seamless and secure.

Our Benefits program is one of the most important ways we support our employees. Zscaler proudly offers comprehensive and inclusive benefits to meet the diverse needs of our employees and their families throughout their life stages, including:

• Various health plans
• Time off plans for vacation and sick time
• Parental leave options
• Retirement options
• Education reimbursement
• In-office perks, and more!

Learn more about Zscaler’s Future of Work strategy, hybrid working model, and benefits here.

By applying for this role, you adhere to applicable laws, regulations, and Zscaler policies, including those related to security and privacy standards and guidelines.

Zscaler is committed to providing equal employment opportunities to all individuals. We strive to create a workplace where employees are treated with respect and have the chance to succeed. All qualified applicants will be considered for employment without regard to race, color, religion, sex (including pregnancy or related medical conditions), age, national origin, sexual orientation, gender identity or expression, genetic information, disability status, protected veteran status, or any other characteristic protected by federal, state, or local laws. See more information by clicking on the Know Your Rights: Workplace Discrimination is Illegallink.

Pay Transparency

Zscaler complies with all applicable federal, state, and local pay transparency rules.

Zscaler is committed to providing reasonable support (called accommodations or adjustments) in our recruiting processes for candidates who are differently abled, have long term conditions, mental health conditions or sincerely held religious beliefs, or who are neurodivergent or require pregnancy-related support.