Senior Staff Software Development Engineer

About Zscaler
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.

We built the Zscaler architecture from the ground up as a platform that could extend to new features and services. Our Product Management team takes hold of this massive opportunity to deliver our customers a growing portfolio of never-before-seen capabilities in threat prevention, visibility, scalability, and business enablement. Our product managers are champions of innovation with a shared vision for Zscaler and the limitless possibilities of cloud security. Join us to make your mark on the planning and product roadmap at the forefront of the world's cloud security leader.

Responsibilities
We are seeking a Sr Staff Engineer with expertise in backend or full-stack development to design, develop, and optimize cloud applications and infrastructure for high-performance systems. Reporting to the Director, Software Engineering. You will be responsible for:

• Developing cloud-based services utilizing AWS tools such as Lambda, EC2, S3, DynamoDB, and RDS
• Implementing fault-tolerant, scalable distributed systems
• Collaborating with DevOps teams to manage CI/CD pipelines and cloud security
• Optimizing backend systems for performance and cost efficiency
• Writing clean, efficient, and maintainable code following best practices

What We're Looking For (Minimum Qualifications)

• 8+ years of experience in system engineering for high-performance backend application
• Proficiency in Golang/C/C++ and Python/Java/.NET programming languages & Knowledge of database design (SQL and NoSQL) and optimization
• Experience in containerization technologies (e.g., Docker, Kubernetes, etc.) is desired
• Experience with event-driven systems and messaging queues (Kafka, RabbitMQ)

What Will Make You Stand Out (Preferred Qualifications)

• Familiarity with modern frontend technologies like React or
• Understanding of graph databases (Neo4j) and optimization techniques
• Knowledge of observability tools such as Prometheus/Grafana and logging systems like ELK Stack

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.

Benefits
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:

• Various health plans
• Time off plans for vacation and sick time
• Parental leave options
• Retirement options
• Education reimbursement
• In-office perks, and more

Learn more about Zscaler's Future of Work strategy, hybrid working model, and benefits here.

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.
See more information by clicking on the
Know Your Rights: Workplace Discrimination is Illegal
link.
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.