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 Cyber Security and Data Protection Engineering department. based out of our Bangalore office three days a week,In this role, reporting to the Sr Manager of Engineering, Cyber Security and Data Protection. You will build quality into products that secure mobile devices, applications, and data for millions of users who rely on our service for comprehensive protection and data security. Our team develops innovative solutions across web filtering, policy enforcement, next-gen firewalls, and CASB, utilizing real-time analytics to provide unmatched visibility through a state-of-the-art NOC.

What you’ll do (Role Expectations)

• Validate complex features by designing, implementing, and executing comprehensive automated test cases

• Develop and maintain scalable automation frameworks and internal tools to streamline the entire software testing lifecycle

• Lead scalability, stress, and performance testing initiatives to identify bottlenecks and propose architectural solutions

• Collaborate with cross-functional teams and interact with customers to simulate real-world scenarios for product validation

• Evaluate and implement cloud security measures while identifying continuous improvement areas across the development process

Who You Are (Success Profile)

• You thrive in ambiguity. You're comfortable building the path as you walk it. You thrive in a dynamic environment, seeing ambiguity not as a hindrance, but as the raw material to build something meaningful.

• You act like an owner. Your passion for the mission fuels your bias for action. You operate with integrity because you genuinely care about the outcome. True ownership involves leveraging dynamic range: the ability to navigate seamlessly between high-level strategy and hands-on execution.

• You are a problem-solver. You love running towards the challenges because you are laser-focused on finding the solution, knowing that solving the hard problems delivers the biggest impact.

• You are a high-trust collaborator. You are ambitious for the team, not just yourself. You embrace our challenge culture by giving and receiving ongoing feedback—knowing that candor delivered with clarity and respect is the truest form of teamwork and the fastest way to earn trust.

• You are a learner. You have a true growth mindset and are obsessed with your own development, actively seeking feedback to become a better partner and a stronger teammate. You love what you do and you do it with purpose.

What We’re Looking for (Minimum Qualifications)

• 5+ years of experience as a Software Development Engineer in Test (SDET) with strong object-oriented design and coding skills

• Proficiency in Python, Java, or C programming and a strong grasp of operating systems, TCP/IP, and Linux

• Experience debugging HTTP/HTTPS requests using tools like Fiddler or Wireshark and working with network security protocols

• Practical experience validating RESTful APIs and performing performance testing within AWS or Azure environments

What Will Make You Stand Out (Preferred Qualifications)

• Experience validating Data Leak Prevention (DLP), Advanced Threat Protection, or Malware Detection technologies

• Hands-on experience with CASB cloud applications and performance benchmarking of Windows or MacOS end machine applications

• Expertise in mobile test automation for iOS and Android platforms

#LI-Hybrid #LI-PM5

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:

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.

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.