Sr. Software Engineer (Windows, C++, C#)

Zscaler, Inc.; San Jose (CA); Hybrid; USD 105,000 - 150,000; Full time

Job summary

Join a forward-thinking company as a Senior Software Engineer in a hybrid role, where you'll lead the development of innovative cross-platform client applications. This position offers the opportunity to work with cutting-edge technologies in a collaborative environment, focusing on enhancing secure internet connectivity. You'll be part of a dynamic team that values creativity and innovation, driving the future of cloud security solutions. If you are passionate about software engineering and looking to make a significant impact, this role is perfect for you.

Benefits

Various health plans

Time off for vacation and sick leave

Parental leave options

Retirement options

Education reimbursement

In-office perks

Qualifications

• 5+ years of software engineering experience focused on Microsoft Windows.
• Advanced proficiency in C++ and C# required.
• Strong knowledge of Windows application development tools.

Responsibilities

• Lead design and development of endpoint security solutions for Windows.
• Collaborate with Product Management to refine requirements.
• Troubleshoot and resolve customer issues while improving product reliability.

Skills

C++

C#

Windows desktop application development

Communication skills

Education

Bachelor's degree in Computer Science or related field

Tools

Visual Studio

WinDBG

Wireshark

Fiddler

Job description

About Zscaler

Serving thousands of enterprise customers around the world including 40% of Fortune 500 companies, Zscaler (NASDAQ: ZS) 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. As the operator of the world's largest security cloud, Zscaler accelerates digital transformation so enterprises can be more agile, efficient, resilient, and secure. The pioneering, AI-powered Zscaler Zero Trust Exchange platform, which is found in our SASE and SSE offerings, protects thousands of enterprise customers from cyberattacks and data loss by securely connecting users, devices, and applications in any location.

Named a Best Workplace in Technology by Fortune and others, Zscaler fosters an inclusive and supportive culture that is home to some of the brightest minds in the industry. If you thrive in an environment that is fast-paced and collaborative, and you are passionate about building and innovating for the greater good, come make your next move with Zscaler.

Our Engineering team built the world's largest cloud security platform from the ground up, and we keep building. With more than 100 patents and big plans for enhancing services and increasing our global footprint, the team has made us and our multitenant architecture today's cloud security leader, with more than 15 million users in 185 countries. Bring your vision and passion to our team of cloud architects, software engineers, security experts, and more who are enabling organizations worldwide to harness speed and agility with a cloud-first strategy.

We're looking for an experienced Senior Software Engineer to join our Mobile Team. You'll lead the development of cross-platform client applications (Windows, MacOS, Android, iOS, and Linux) that securely steer endpoint traffic to the Zscaler cloud. As the Microsoft Windows programming domain expert, you'll play a key role in designing and implementing innovative solutions that enhance secure internet and enterprise connectivity. Reporting to the Director of Engineering, this is a hybrid role requiring three days per week in our San Jose, CA office. In this role, you will:

• Lead the design and development of endpoint security solutions for Windows using the latest software techniques.


• Collaborate with Product Management to refine requirements and deliver solutions aligned with customer needs.


• Develop and execute unit tests, partnering with QA to improve test routines, and ensuring high-quality product releases.


• Troubleshoot and resolve customer issues while driving continuous improvement in product reliability.


• Provide technical leadership across the product development lifecycle, from scoping and planning to deployment and ongoing engineering.

What We're Looking for (Minimum Qualifications):

• 5+ years of software engineering experience with a focus on Microsoft Windows.


• Advanced proficiency in C++ and C#.


• Strong knowledge of Windows desktop application development and tools like Visual Studio, WinDBG, Wireshark, and Fiddler.


• Excellent oral and written communication skills.

What Will Make You Stand Out (Preferred Qualifications):

• Demonstrated expertise in architecting, designing, and debugging complex networking features on Windows.


• Familiarity with security concepts such as PKI, VPNs, or firewalls.


• Knowledge of networking technologies, including IP, TCP, HTTP, and SSL protocols.

#LI-JM1

#LI-Hybrid

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!

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.