Staff Software Engineer (Android, Networking)

San Jose, CA, United States

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.

The Mobile team at Zscaler is responsible for developing a cross-platform client application for Windows, MacOS, Android, IOS and Linux, to securely steer endpoint traffic to Zscaler cloud. The ideal candidate for this position will have a background in software development of networking applications, testing, and deployment with a strong focus on performance, reliability and quality. This role requires excellent problem-solving skills and the ability to work collaboratively with development teams to ensure that our software meets the highest standards of reliability and quality.

Ideally, you will have worked on a VPN client or like a client application and understand the intricacies of multi-version multi-platform client apps. This is a technical position and you will be involved in all aspects of product development lifecycle – requirements discussion/analysis, design, scope estimation, planning, implementation, code reviews and unit testing, documentation, POCs, deployment and continuing engineering.

Primary Responsibility

Work with Product Management to understand requirements and customer needs.

Design and Develop networking software and SDKs using the latest software development techniques.

Monitor and analyze software performance data to identify and address issues related to reliability and quality.

Develop and execute automated tests to validate software functionality and reliability.

Work with QA to create better test strategies, reproduce customer issues and deliver better quality product releases.

Qualifications

Bachelor's degree in a technical discipline (CS, IS, CE, etc.)

7+ years software engineering experience, with emphasis on networking-based applications for Android Operating System

Understanding of TCP/IP networking model with focus on Layer 3 and above

Solid understanding of networking protocols like TLS/DTLS/HTTPS/DNS

Experience with Android NDK

Hands on experience with object-oriented languages such as C++, Java and Kotlin

Experience in designing, developing and debugging complex software applications

Knowledge of tools like Wireshark and BPF

Experience with automated testing frameworks and tools.

Experience with software performance measurement tools

Excellent oral and written communication skills

Desired Skills

Good understanding of network security concepts such as PKI, VPN and firewall

Good understanding of Android VPN Service

Good understanding of authentication frameworks such as SAML/OIDC

Education Requirements

Bachelor’s in computer science or related field is required

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

$129,500 — $185,000 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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