דרושים » הנדסה » Sr. Software Engineer - Browser Security

As a Software Engineer in the CrowdStrikes Browser Protection team, you will play a key role in building a browser protection platform focused on holistic security protection, including: data protection, data loss prevention, Identity protection and SaaS security. In this role, youll be responsible for developing CrowdStrikes next-gen browser protection solutions, that integrate seamlessly with CrowdStrikes security platform and leverages CrowdStrike agent. The product provides real-time protection against data leaks, unmanaged devices risk, insider threat, unauthorized data access, and other security risks. Working in close collaboration with our cross-functional team, youll leverage your expertise to build a high-performance, secure browser solution and extension that ensures user data is safe without impacting browsing experience. This position offers a unique opportunity to influence the future of data protection technology at CrowdStrike by delivering an extension that empowers users and protects them in todays dynamic digital landscape.

What You'll Do:​

Design and implement CRWD browser protection suite, including browser extensions (e.g., Google Chrome, Edge etc. ), leveraging CrowdStrike endpoint sensor and Leverage in-depth chromium knowledge to develop cybersecurity capabilities within the browser.

Own features from design to delivery.

Impact product roadmap and architectural design.

Collaborate with multi-functional team in various physical locations.

Troubleshoot issues with the product as reported from customers responsively.

The Falcon Secure Access (FSA) team is expanding. As a Senior Software Engineer on our team, you will architect and deliver a next-generation secure access platform that converges Zero Trust Network Access with browser-native security.

You'll build the core systems that enable users to seamlessly and securely access internal sites, private applications, and cloud resources directly from the browser - without legacy VPNs or remote desktops - while enforcing real-time protection against zero-day exploits, phishing, data exfiltration, and unauthorized access.

This role sits at the intersection of network engineering and browser security: you'll design and implement advanced proxy communication, secure tunneling, and identity-aware routing - all operating at the browser's core to deliver holistic protection including DLP, insider threat detection, SaaS security, and continuous zero-trust verification.

What You'll Do:

Design and build ZTNA infrastructure - implement zero-trust access policies, secure tunneling, and identity-aware network routing that replaces traditional VPN architectures.

Develop advanced networking solutions - build and optimize proxy communication layers, WebSocket-based transport, and encrypted client-to-server channels that handle millions of concurrent connections.

Architect high-scale backend systems - design distributed microservices for policy enforcement, real-time threat detection, and access control at scale using Node.js / TypeScript.

Implement secure client-server communication - design highly secured agent-to-cloud architectures with certificate pinning, mutual TLS, and encrypted tunneling protocols.

Build browser-native security components - develop browser extensions and agents (Chrome, Edge, Firefox etc.) that enforce data protection, prevent data leakage, and provide granular visibility and control.

Own features end-to-end - from design through delivery, including deployment and monitoring.

Influence architecture and roadmap - play a key role in architectural decisions, building toward an efficient distributed zero-trust architecture.

Research and develop - drive new initiatives and POCs in zero-trust access domains and browser security.

Collaborate cross-functionally - work with security researchers, product, and platform teams across multiple locations to solve complex problems.

The Falcon Secure Access (FSA) team at CrowdStrike is expanding. As a Senior Software Engineer on our team, you will architect and deliver a next-generation secure access platform that converges Zero Trust Network Access with browser-native security.

You'll build the core systems that enable users to seamlessly and securely access internal sites, private applications, and cloud resources directly from the browser - without legacy VPNs or remote desktops - while enforcing real-time protection against zero-day exploits, phishing, data exfiltration, and unauthorized access.

This role sits at the intersection of network engineering and browser security: you'll design and implement advanced proxy communication, secure tunneling, and identity-aware routing - all operating at the browser's core to deliver holistic protection including DLP, insider threat detection, SaaS security, and continuous zero-trust verification.

What You'll Do:

Design and build ZTNA infrastructure - implement zero-trust access policies, secure tunneling, and identity-aware network routing that replaces traditional VPN architectures

Develop advanced networking solutions - build and optimize proxy communication layers, WebSocket-based transport, and encrypted client-to-server channels that handle millions of concurrent connections

Architect high-scale backend systems - design distributed microservices for policy enforcement, real-time threat detection, and access control at scale using Node.js / TypeScript

Implement secure client-server communication - design highly secured agent-to-cloud architectures with certificate pinning, mutual TLS, and encrypted tunneling protocols

Build browser-native security components - develop browser extensions and agents (Chrome, Edge, Firefox etc.) that enforce data protection, prevent data leakage, and provide granular visibility and control

Own features end-to-end - from design through delivery, including deployment and monitoring

Influence architecture and roadmap - play a key role in architectural decisions, building toward an efficient distributed zero-trust architecture

Research and develop - drive new initiatives and POCs in zero-trust access domains and browser security

Collaborate cross-functionally - work with security researchers, product, and platform teams across multiple locations to solve complex problems

Join us and become a key leader in building the most innovative endpoint security solution in the world. Our sensor development team is responsible for building the endpoint sensor which deploys on multiple platforms including Windows, Mac, and Linux. As a Software Engineer, you will be expected to have ownership over major components and development projects. You will be required to assist with architecting solutions and support in implementing our core features. Features will cross-cut most core OS subsystems such as file system, memory and process, and networking. Many features are also built in a way that they will have shared components across multiple platforms. You need to be able to lead projects efficiently while maximizing performance and minimizing costs, making sure high standards are being followed when it comes to design, coding quality, and unit and component testing.


What You'll Do:
You will be joining the Identity protection team that delivers detection and prevention of identity related incidents in the organizational network using the falcon sensor and cloud. You will work with an experienced team of capable developers and participate in establishing the Israeli R&D center of one of the most innovative and exciting software companies in the world today.
In this role you will be responsible for building an efficient lightweight sensor for Active Directory servers. You will participate in implementing the next generation of CrowdStrikes world-leading Identity Protection technology.

This is a macOS Developer role in the engineering team that delivers data protection-focused functionality in the sensor (lightweight agent) on macOS. Engineers in the team own the design and development of core features on the platform. Data protection-focused functionality centers around file interfaces, including related Endpoint Security System Extension interfaces. The team operates under the Agile development principles and ships frequently.

What You'll Do:

Design and develop data protection-focused system extensions and associated services for deployment on macOS systems.

Own features from design to delivery.

Collaborate with multi-functional team in various physical locations.

Troubleshoot issues with the product as reported from customers responsively.

Other projects as assigned.

In order to be the cybersecurity partner of choice, we must trailblaze the path and shape the future of our industry. This is something our employees work at each day and is defined by our values: Disruption, Collaboration, Execution, Integrity, and Inclusion. We weave AI into the fabric of everything we do and use it to augment the impact every individual can have. If you are passionate about solving real-world problems and ideating beside the best and the brightest, we invite you to join us! We believe collaboration thrives in person. Thats why most of our teams work from the office full time, with flexibility when its needed. This model supports real-time problem-solving, stronger relationships, and the kind of precision that drives great outcomes.
As a Software engineer on our Email Security team, you will play a key role in shaping and delivering a cutting-edge email security solution within the Cortex platform. Your responsibilities will include designing and developing an infrastructure capable of supporting billions of events per second, collecting, storing, processing, analyzing, detecting threats and making them accessible, visible and actionable for users while seamlessly integrating with the industrys leading cyber-security products. You will design and build a highly available, reliable, and secure solution that adheres to the highest standards. Beyond development, your crucial role involves meaningful cross-organizational collaboration, driving a significant impact to ensure the success of our product. Our Cortex engineering group, primarily based in the TLV office, allows us to operate at a high pace with short decision-making loops. In this role, you will need to demonstrate creativity, innovation and deep knowledge in backend engineering, conducting research to find new technologies. A can-do approach, a passion for excellence and a commitment to continuous improvement are essential qualities for success in this position.
Key Responsibilities
Take ownership of a brand new product, driving its development from concept and design to full implementation
Focus on meaningful, high impact work, building major parts of a groundbreaking new product
Build a new offering designed to operate at massive scale
Dive into new cutting-edge technologies, researching and integrating them to enhance the products capabilities.

We are seeking Senior / Principal Engineer for our Tel Aviv R&D center to take a leading role in the Prisma Access Browser team. You will be instrumental in developing our Enterprise Browser, a product designed to secure business online activity by isolating web sessions, filtering threats, and preventing data leaks. In this role, you will lead platform projects end-to-end, own critical workflows, and drive substantial improvements across the entire product.
Key Responsibilities
Create and own features from design and development through to deployment and support in customer environments.
Lead platform projects end-to-end, owning specific flows and delivering substantial product improvements.
Proactively collaborate with cross-functional teams to identify and address infrastructure gaps and pursue new initiatives.
Work closely with product management and customers to devise creative and innovative solutions to complex security challenges.
Serve as a technical leader, mentoring other engineers and improving the team's overall performance and best practices.
Identify areas for improvement within team processes and actively drive positive change through new initiatives or optimizations.

Are you a results-driven backend or full-stack engineer passionate about building scalable, cloud-native microservices? Do you thrive in an agile, startup-like environment while having the backing of a market leader? At our company, you wont just be a coder; you'll be an architect of innovation, shaping the future of identity security.
Our engineering team is the core of our success. We build high-quality, professional-grade products on a mature, event-driven microservices architecture hosted in AWS. We're now seeking a Senior Backend Software Engineer to be a foundational member of a new team building a cutting-edge, cloud-based SaaS identity analytics product from the ground up.
Your Mission: The First 12 Months

First 3 Months: You will be fully integrated into our agile team, actively contributing to the design and development of core microservices for our new SaaS product. You will have a comprehensive understanding of the product architecture and roadmap, and you'll be writing high-quality, test-covered code in Go.

First 6 Months: You will take ownership of significant features, from design and estimation to implementation and deployment. You'll be expected to contribute to our continuous delivery pipeline and improve code quality by producing unit and end-to-end tests, aiming to increase code coverage by 15-20%.

First 12 Months: You will be a key contributor to the product's evolution, mentoring junior engineers and collaborating with product management to define and implement new features. You will have made a measurable impact on the product's performance and scalability, and you'll be a go-to expert for critical components of the system.

What You'll Do

Design, develop, and deploy backend microservices in Go. Success will be measured by the delivery of well-tested, scalable, and maintainable code that meets product requirements and is deployed to production in a timely manner.

Integrate AI-assisted tooling into day-to-day DevOps and engineering workflows. Success will be measured by improvements in productivity, scalability, and operational efficiency. You will achieve this by leveraging AI tools to generate initial configuration drafts, validate infrastructure code, and recommend workflow improvements, while utilizing AI-driven automation to reduce repetitive manual tasks and accelerate engineering execution without sacrificing high-quality standards.

Collaborate on designs, code reviews, and testing. Success will be measured by your active participation in team meetings, providing constructive feedback on peer code reviews, and contributing to a collaborative and positive team environment.

Produce unit and end-to-end tests. Success will be measured by your consistent contributions to our test suites, with a focus on increasing code coverage and improving the overall quality and reliability of the product.

Create and refine design and engineering best practices. Success will be measured by tangible improvements to our development processes and documentation, leading to increased team efficiency and code quality.

We are looking for people who are passionate about leading technology to the extreme .If you are striving to develop an innovative product, make an impact, and work with the industrys brightest talent as part of one of the fastest-growing and successful startups around
What will you actually be doing?
Designing, developing, testing, deploying, and maintaining web applications using modern front-end and back-end technologies, including Node.js, React, TypeScript, JavaScript, and Python.
Leveraging AI-powered development tools such as Claude Code to accelerate development workflows, automate repetitive tasks, and improve code quality.
Leading server-side development using microservices architecture to ensure scalable and robust application performance.
Driving the design and implementation of micro frontend architecture, leveraging the industrys latest trends.
Mentoring junior and mid-level engineers through code reviews, pair programming, and technical guidance.
Collaborating with cross-functional teams, including product managers, designers, and other developers, to define technical direction and deliver high-quality applications.
Making architectural decisions and championing engineering best practices across the team.
Integrating AI and LLM capabilities into development pipelines and product features where applicable.

The static analysis team is responsible for the heart of the ASPM product: our capability to automatically reverse engineer arbitrary backend applications and provide deep-code insights about what they do.

As a Senior Engineer on the static analysis team, you will be a key contributor, playing a vital role in designing and building a powerful automated reverse-engineering engine. You will be tackling complex, unsolved problems in code analysis by translating cutting-edge research and critical business needs into robust, production-ready engineering solutions.

If you enjoy solving extremely difficult problems while drawing solutions from multiple domains and thrive in a hands-on technical role, then this position is for you.

What You'll Do:

Drive the hands-on design and implementation of core components for our powerful automated reverse-engineering engine.

Conduct research and development on cutting-edge algorithms for deep-code and data flow analysis.

Play a key role in developing, designing, and optimizing the Falcon ASPM platform.

Collaborate with fellow team members to solve the most complex and novel technical challenges.

Contribute across the entire software development lifecycle, from initial research and system design to production deployment and monitoring.