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.

We are looking for a seasoned Senior Software Development Engineer to join our team. This is a hybrid role based in San Jose, CA (3 days a week), reporting to the Director, Software Engineering within the Digital Experience department. Our Engineering team built the world's largest cloud security platform from the ground up, and we keep building. You will bring your vision and passion to our team as you design and code components of a large-scale distributed system, enabling organizations worldwide to harness speed and agility with a cloud-first strategy.

• Participating in all phases of the product development cycle, from definition and design to implementation and testing
• Developing functional specifications, assessing task requirements and schedules, and contributing to development, debugging, and support
• Designing and coding components of a large-scale distributed system with a focus on high performance and scalability, and troubleshooting issues efficiently
• Collaborating with feature teams, Operations, and Support to maintain a healthy cloud environment and ensure customer satisfaction
• Demonstrating accountability and ownership for areas assigned to you

• You thrive in ambiguity. You\'re comfortable building the path as you walk it. You thrive in a dynamic environment, seeing ambiguity not as a hindrance, but as the raw material to build something meaningful.
• You act like an owner. Your passion for the mission fuels your bias for action. You operate with integrity because you genuinely care about the outcome. True ownership involves leveraging dynamic range: the ability to navigate seamlessly between high-level strategy and hands-on execution.
• You are a problem-solver. You love running towards the challenges because you are laser-focused on finding the solution, knowing that solving the hard problems delivers the biggest impact.
• You are a high-trust collaborator. You are ambitious for the team, not just yourself. You embrace our challenge culture by giving and receiving ongoing feedback-knowing that candor delivered with clarity and respect is the truest form of teamwork and the fastest way to earn trust.
• You are a learner. You have a true growth mindset and are obsessed with your own development, actively seeking feedback to become a better partner and a stronger teammate. You love what you do and you do it with purpose.

• 3+ years of software development experience in programming with C, Python, or high-level languages
• Experience in software development on Unix/Linux systems
• Experience working with REST APIs and API gateways
• Knowledge of L4 to L7 network topologies and TCP/IP networking stacks
• Familiarity with observability and monitoring products

• Strong fundamentals in operating system concepts, event-based programming, multi-threading, memory optimization, and fault tolerance
• Familiarity with endpoint security and firewalls
• Experience developing agent-based AI applications and LLM models

Zscaler's salary ranges are benchmarked and are determined by role and level. The range displayed on each job posting reflects the minimum and maximum target for new hire salaries for the position across all US locations and could be higher or lower based on a multitude of factors, including job-related skills, experience, and relevant education or training.

The base salary range listed for this Full time position excludes commission/bonus/equity (if applicable) + benefits.

Base Pay Range

$105,000 - $150,000 USD

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 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. The Know Your Rights: Workplace Discrimination is Illegal information is provided for reference.

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.