Principal Software Engineer

2 days ago


San Jose, California, United States Zscaler Full time
About Zscaler

Zscaler is a leading cloud security company that protects thousands of enterprise customers worldwide, including 40% of Fortune 500 companies. Founded in 2007, Zscaler's mission is to make the cloud a safe place to do business and a more enjoyable experience for enterprise users.

As the operator of the world's largest security cloud, Zscaler accelerates digital transformation so enterprises can be more agile, efficient, resilient, and secure.

The pioneering, AI-powered Zscaler Zero Trust Exchange platform protects thousands of enterprise customers from cyberattacks and data loss by securely connecting users, devices, and applications in any location.

Named a Best Workplace in Technology by Fortune and others, Zscaler fosters an inclusive and supportive culture that is home to some of the brightest minds in the industry.

We're looking for an experienced Principal Software Engineer to join our API Team.

Job Summary

Reporting to the Director, Software Development Engineering, you'll be responsible for:

  • Leading the design and implementation of advanced API tooling and frameworks for seamless UI creation and integration with Zscaler's API services.
  • Developing client SDKs with easy-to-use interfaces for data binding and UI component integration, utilizing modern UI frameworks and design patterns.
  • Improving UI and API integration by leveraging new approaches, such as generative AI, to automate and enhance UI component development.
  • Engaging in hands-on coding to build tools that enhance developer productivity and streamline the API development process.
  • Applying domain-driven design principles and mentoring engineering teams on best practices, fostering collaboration with UI/UX engineers to create scalable, maintainable, and high-performance backend systems.
Requirements

We're looking for a highly skilled and experienced Principal Software Engineer with:

  • Proficiency in at least one programming language (Go, Java, C++, Rust, etc.) with 10+ years of experience.
  • Experience in building frameworks and tooling for API and UI development, with a focus on enhancing developer experience and productivity.
  • Experience with API design standards, best practices (e.g., Swagger/OpenAPI 3.0, REST, JSON, gRPC, Protobuf), and API-first design principles.
  • Proficiency in modern UI design patterns (MVC, MVVP, etc.) and experience with popular front-end frameworks (React, Angular, etc.).
  • Ability to work with UI/UX engineers and product managers to align development efforts with user needs and team goals.
Preferred Qualifications

We're looking for candidates with:

  • Experience developing client SDKs and tooling for data binding, UI integration, Authn/Authz, using JavaScript, TypeScript, or similar languages.
  • Expertise in API tooling and frameworks supporting rapid UI development, with a focus on integration, automation, and testing.
  • Proficiency with domain-driven design (DDD), container technologies (Kubernetes, Docker), and cloud platforms (AWS, GCP).
What We Offer

Zscaler offers a comprehensive and inclusive benefits package 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
Equal Opportunity Employer

Zscaler is proud to be an equal opportunity and affirmative action employer. We celebrate diversity and are committed to creating an inclusive environment for all of our employees.



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