Principal Software Development Engineer

Confirmed live in the last 24 hours

Zscaler

Hyderabad, IND

Hybrid

Posted March 31, 2026

Job Description

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.

Our Engineering team built the world’s largest cloud security platform from the ground up, and we keep building. With more than 100 patents and big plans for enhancing services and increasing our global footprint, the team has made us and our multitenant architecture today's cloud security leader, with more than 15 million users in 185 countries. Bring your vision and passion to our team of cloud architects, software engineers, security experts, and more who are enabling organizations worldwide to harness speed and agility with a cloud-first strategy.

We're looking for a Principal Software Engineer to join our platform convergence team. This is a hybrid role, reporting in the Hyderabad office 3 days a week. Reporting to the Sr. Director of Software Engineering, you'll be responsible for:

Designing and implementing scalable, high-performance backend services and APIs using Go, integrating with databases like PostgreSQL, MySQL, MongoDB, and Redis
Writing and maintaining unit, integration, and performance tests to ensure code quality while monitoring, debugging, and optimizing system performance
Mentoring junior engineers, fostering their growth and success, and actively participating in code reviews to uphold best practices
Collaborating with external teams to deliver integrated solutions and ensure seamless system functionality
Contributing to Agile/Scrum processes, including sprint planning and retrospectives, to drive project success

What We're Looking for (Minimum Qualifications)

14+ years of experience, with proficiency coding in Java or Go (Golang), including strong expertise in concurrency, parallelism, GRPC, Protobuf, net/http, and TLS
Skilled in building large-scale distributed systems, RESTful API design, and working with web frameworks like Gin and Echo
Hands-on experience with Docker, Kubernetes, cloud platforms (AWS, GCP, Azure), and version control tools like Git
Solid understanding of SQL and NoSQL databases, along with CI/CD pipeline implementation
Exceptional problem-solving skills and attention to detail for designing robust solutions

What Will Make You Stand Out (Preferred Qualifications)

Experience with systems languages like Rust or C/C++, particularly in performance-critical environments

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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 employe

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