Sr. Staff Software Engineer

Zscaler•Bellevue, WA

1d•Hybrid

About The Position

Zscaler is a pioneer and global leader in zero trust security. The world’s largest businesses, critical infrastructure organizations, and government agencies rely on Zscaler to secure users, branches, applications, data & devices, and to accelerate digital transformation initiatives. Distributed across more than 160 data centers globally, the Zscaler Zero Trust Exchange platform combined with advanced AI combats billions of cyber threats and policy violations every day and unlocks productivity gains for modern enterprises by reducing costs and complexity. 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 champion an “AI Forward, People First” philosophy to help us accelerate and innovate, empowering our people to embrace their 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 to 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 65 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 an experienced Sr. Staff Software Engineer to join our Engineering team. This is a hybrid role, reporting in the Bellevue, WA office 3 days a week. Reporting to the Director of Engineering, you'll be responsible for:

Requirements

8+ years of experience with proficiency coding in a modern Object-Oriented language
Expertise in designing, analyzing, and resolving issues in large-scale distributed systems
Demonstrated exceptional problem-solving skills and attention to detail for designing robust solutions
Hands-on experience with Docker, Kubernetes, and one or more major cloud platforms (AWS, GCP, or Azure)
Bachelor's degree in Computer Science or a related field (or equivalent professional experience), coupled with strong adaptability and the ability to work independently in a fast-paced Agile environment

Nice To Haves

Demonstrate excellent leadership, communication, and cross-team collaboration skills, with the ability to navigate ambiguity, make high-impact technical decisions, and drive initiatives with minimal oversight
Proficiency with one or more AI code-assistance tools (e.g., Windsurf, Cursor, Claude) to accelerate development, refactoring, unit test creation, and troubleshooting
Exposure to DevOps automation workflows and CI/CD pipelines

Responsibilities

Designing and implementing scalable, high-performance backend services and APIs
Ensuring code quality by writing and maintaining unit, integration, and performance tests; monitor, debug, and optimize system performance
Mentoring junior engineers, fostering their growth, and upholding best practices through active participation in code reviews
Collaborating with cross-functional teams to deliver integrated solutions and contribute to Agile/Scrum processes like sprint planning and retrospectives
Participating in on-call rotation to support a highly available engineering platform and ensure compliance with federal guidelines