Staff Software Engineer

San Jose, CA US
USD 178k - 210k
Python PostgreSQL MySQL API Shell Java

About Zscaler

Zscaler (NASDAQ: ZS) accelerates digital transformation so that customers can be more agile, efficient, resilient, and secure. The Zscaler Zero Trust Exchange is the company’s cloud-native platform that protects thousands of customers from cyberattacks and data loss by securely connecting users, devices, and applications in any location. 

With more than 10 years of experience developing, operating, and scaling the cloud, Zscaler serves thousands of enterprise customers around the world, including 450 of the Forbes Global 2000 organizations. In addition to protecting customers from damaging threats, such as ransomware and data exfiltration, it helps them slash costs, reduce complexity, and improve the user experience by eliminating stacks of latency-creating gateway appliances. 

Zscaler was founded in 2007 with a mission to make the cloud a safe place to do business and a more enjoyable experience for enterprise users. Zscaler’s purpose-built security platform puts a company’s defenses and controls where the connections occur—the internet—so that every connection is fast and secure, no matter how or where users connect or where their applications and workloads reside.

Job Description

We are seeking a highly skilled and experienced Staff Software Engineer to join our team. Your role will be critical in ensuring the quality, reliability, and scalability of our cloud security solutions. You will have end to end ownership of features starting from testing, automation, deployment and helping with monitoring. You will design and automate test plans, develop and maintain automated testing frameworks, performance testing tools, and continuous integration pipelines to ensure the highest level of security and compliance for our customers. You will have a strong background in cloud technologies, networking, APIs, automation, and a passion for delivering high-quality software. 


  • Develop, execute, and maintain comprehensive test plans and test cases to identify issues, validate product functionality, and ensure product quality.
  • Design and implement automated test frameworks and tools to streamline testing processes and improve efficiency.
  • Develop and manage CI/CD pipelines to automate and streamline the testing and deployment processes.
  • Design and implement performance, scalability, and reliability testing strategies to evaluate the efficiency and scalability of our cloud security solutions.
  • Troubleshoot and debug issues, identify root causes, and propose solutions to improve system performance and stability.
  • Collaborate with cross-functional teams, including software developers, product managers, and quality assurance engineers, to define test requirements and ensure test coverage.
  • Collaborate with the development team to enhance software quality and reliability through code reviews and continuous integration processes.
  • Mentor junior team members


  • Bachelor's degree in Computer Science, Software Engineering, or a related field.
  • 8-10 years experience in security, cloud and/or networking domains
  • Proven experience with test automation frameworks, such as Selenium, JUnit, or pytest.
  • Proven experience with API testing methodologies and tools.
  • Proficiency in shell scripting and strong experience in Unix/Linux environments.
  • Proficiency in programming languages like Java, C, or Python
  • Strong knowledge of networking protocols and services - DNS, HTTP, TCP/IP, SSL/TLS
  • Experience with relational databases like PostgreSQL and MYSQL is a strong plus
  • Familiarity with continuous integration and deployment tools, such as Jenkins or GitLab CI/CD
  • Excellent problem-solving and debugging skills.
  • Strong communication and collaboration skills. Must be a strong team player, able to work independently, and also mentor and guide junior engineers




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
$178,500$210,000 USD

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 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. All qualified applicants will receive consideration 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 characteristics 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. For additional information about the federal requirements, click here.

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.

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