API Platform & Developer Tooling Intern

About the position Zscaler accelerates digital transformation so our customers can be more agile, efficient, resilient, and secure. Our cloud native Zero Trust Exchange platform protects thousands of 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 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 make a positive difference on a global scale, we invite you to bring your talents to Zscaler and help shape the future of cybersecurity. The Role We are looking for an API Platform & Developer Tooling Intern to join our team in a hybrid capacity in San Jose, CA, reporting to the Senior Director, Software Development Engineering within the Engineering department. The core purpose of the API Platform & Developer Tooling Intern is to build and refine the infrastructure and internal tools that empower engineering teams to develop, test, and deploy APIs with maximum speed and reliability. By improving developer workflows and maintaining robust API standards, you directly enhance the internal developer experience (DevEx) and the scalability of the company's technical ecosystem. Responsibilities • Build and maintain internal CLI tools, SDKs, or dashboards that automate repetitive developer tasks, such as environment setup or service scaffolding, to increase overall engineering velocity • Assist in defining and enforcing API design guidelines (e.g., REST, GraphQL, or gRPC) and documentation standards to ensure consistency, security, and ease of use across the platform • Identify bottlenecks in the internal development lifecycle and implement solutions—such as automated testing suites or mock servers—that reduce "friction" for feature teams Requirements • Currently pursuing Master’s degree in Computer Science, Software Engineering, or Information Systems • Strong analytical thinking, problem solving, and communication skills • Motivated self-starter with a passion for innovation and technology Nice-to-haves • Proficiency in at least one of the following: Java, JavaScript/TypeScript, or Python • Experience with at least one public cloud (AWS, GCP, or Azure), containerization with Docker, and familiarity with Kubernetes Benefits • Various health plans • Time off plans for vacation and sick time • Parental leave options • Retirement options • Education reimbursement • In-office perks, and more! Apply tot his job Apply To this Job