
Secure access for a cloud-first world
Zscaler, headquartered in San Jose, California, is a leader in cloud security solutions, providing services to over 7,000 customers including major corporations like Netflix and Siemens. Founded in 2008, Zscaler went public in 2018 and has since raised over $500 million in funding, with a current va...
Zscaler offers competitive salaries, equity options, generous PTO policies, and a flexible remote work policy to support work-life balance. Employees ...
Zscaler fosters a culture of innovation and agility, emphasizing a cloud-first approach to security. The company values transparency and collaboration...

Zscaler • San Jose, California, USA
Zscaler is seeking a Senior Staff macOS/iOS Developer to enhance their cloud-native Zero Trust Exchange platform. You'll work with iOS and macOS technologies, focusing on building secure applications. This role requires extensive experience in mobile development.
You have 5+ years of experience in mobile development, specifically with macOS and iOS platforms — you've successfully delivered high-quality applications that prioritize user experience and security. Your expertise in Swift is complemented by a strong understanding of Apple's development ecosystem, allowing you to create seamless and efficient applications.
You thrive in collaborative environments and have a proven track record of working with cross-functional teams — your ability to communicate effectively with engineers, designers, and product managers ensures that projects are delivered on time and meet the highest standards. You are passionate about solving complex challenges and are always looking for innovative solutions to improve application performance.
Your experience includes a deep understanding of security best practices in mobile development — you are well-versed in implementing features that protect user data and ensure compliance with industry standards. You are proactive in identifying potential vulnerabilities and addressing them before they become issues.
You are comfortable with agile methodologies and have experience participating in sprint planning, code reviews, and retrospectives — your contributions help foster a culture of continuous improvement within your team. You are also committed to mentoring junior developers, sharing your knowledge, and helping them grow in their careers.
Experience with cloud-based services and APIs is a plus, as you will be integrating mobile applications with Zscaler's Zero Trust Exchange platform. Familiarity with CI/CD practices and tools will also enhance your ability to contribute to the team's efficiency and effectiveness.
As a Senior Staff macOS/iOS Developer at Zscaler, you will play a crucial role in enhancing our cloud-native Zero Trust Exchange platform — your primary focus will be on developing and maintaining high-performance applications that securely connect users and devices. You will collaborate closely with product managers and designers to define application features and ensure they align with user needs and business objectives.
You will lead the technical design and implementation of new features, ensuring they are scalable and maintainable — your expertise will guide the team in adopting best practices for mobile development, including code quality, testing, and performance optimization. You will also be responsible for troubleshooting and resolving issues that arise in production, ensuring a smooth user experience.
Your role will involve staying up-to-date with the latest trends and technologies in mobile development — you will evaluate new tools and frameworks that can enhance our development processes and improve application performance. You will also contribute to the overall architecture of our mobile applications, ensuring they integrate seamlessly with our backend services.
At Zscaler, we foster a culture of execution centered on customer obsession, collaboration, ownership, and accountability — you will be part of a high-performing team that values transparency and constructive debate. We offer competitive compensation and benefits, along with opportunities for professional growth and development.
You will have the chance to work on impactful projects that shape the future of cybersecurity — your contributions will directly influence how organizations protect their data and users. We encourage you to apply even if your experience doesn't match every requirement, as we value diverse perspectives and backgrounds.
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