Staff Software Development Engineer - Browser Team

Position Overview

• Location Type: Remote
• Job Type: Full-time
• Salary: Not specified

Zscaler is seeking an experienced Software Engineer to join its Cloud Browser Isolation Product Team. The role reports to the Senior Manager, Software Development Engineering, and is based in Madrid, with the work being performed remotely. The successful candidate will be responsible for the end-to-end lifecycle of core components, ensuring optimal browser streaming experiences for customers.

Responsibilities

• Own the definition, design, implementation, testing, delivery, monitoring, and reliability of multiple core components for optimal browser streaming experiences.
• Collaborate with stakeholders to analyze requirements and develop scalable, secure, and extensible technical solutions for cloud applications.
• Write high-quality, testable, maintainable, and secure code.
• Integrate appropriate tests into CI/CD pipelines for reliable deployments.
• Foster team growth through mentoring and knowledge sharing, focusing on continuous learning and improvement.
• Take full ownership of deployed services, including on-call responsibilities, to ensure reliability and minimize production incidents.

Requirements (Minimum Qualifications)

• 6+ years of professional experience in developing applications for Linux and high-traffic cloud-based systems.
• Advanced expertise in C++.
• Proven experience in implementing and maintaining features in Chromium, including contributions at various layers (content, browser, core, compositor, networking).
• Strong understanding of modern web programming concepts and languages (e.g., JavaScript, TypeScript).
• Familiarity with networking technologies like gRPC and WebSockets, with hands-on implementation expertise in robust communication architectures.
• Extensive experience with software quality automation tools, testing frameworks, and CI/CD pipelines.

Preferred Qualifications

• Expertise in protocols such as HTTP/HTTP3, UDP, and their challenges.
• Proficiency in modern build tools and compilers (LLVM, Emscripten toolchains, GN, Bazel).
• Experience with cloud platforms and monitoring tools (AWS, Kubernetes, Kibana, Grafana, Mimir).
• Bonus: Active contributor to the Chromium open-source project or similar large-scale open-source initiatives.

About Zscaler

Zscaler is the operator of the world’s largest security cloud, enabling enterprises to be more agile, efficient, resilient, and secure. The Zscaler Zero Trust Exchange™ platform protects thousands of enterprise customers from cyberattacks and data loss. Zscaler has been recognized as a Best Workplace in Technology by Fortune and fosters an inclusive and supportive culture. The Engineering team has built the world’s largest cloud security platform from the ground up, holding over 100 patents and serving more than 15 million users in 185 countries.

Application Instructions

• Not specified in the provided text.