About the role
We're looking for a Senior Full-Stack Engineer to join our engineering team and take a key role in building and evolving Neo's Chrome extension, a core part of our security platform that operates in the browser in real time.
Neo is the Agentic Software Control company built for modern AI-driven enterprises.
The Neo platform gives SecOps teams the inventory, intelligence, attribution, and policy control required to govern agentic software across AI agents, AI-enabled applications, browsers, identities, and traditional software as enterprise applications become autonomous.
You'll work on challenging browser-based security capabilities, including real-time policy enforcement, while also developing backend services and features across our React/TypeScript web application.
This role is ideal for a strong engineer who enjoys solving complex technical challenges, diving into new technologies, and owning features end-to-end.
What You'll Do • Architect, build, and maintain our Chrome extension, including real-time security capabilities and policy enforcement. • Develop browser-based functionality, including DOM interactions, event capture, and user-facing security flows. • Design, develop, and own features end-to-end across our browser extension, frontend, and backend. • Build and maintain scalable backend services and APIs that power our security platform. • Develop features in our React/TypeScript web application. • Solve complex technical challenges across browsers, operating systems, and backend services. • Build performance-sensitive components while minimizing impact on browser performance and user experience. • Take ownership from technical design through implementation, deployment, and production monitoring. • Contribute to architectural decisions and continuously improve code quality, testing, and engineering practices.
Tech You'll Work With • Browser Technologies: TypeScript, Chrome Extensions APIs, Manifest V3, service workers, content scripts • Frontend: React, Next.js • Backend: Node.js, TypeScript, Go, or similar technologies • Infrastructure: AWS, Postgres, EventBridge, SQS, S3, AWS Lambda, Pulumi
What You'll Bring • 5+ years of professional software development experience. • Strong proficiency in TypeScript and JavaScript. • Solid hands-on experience with React and modern frontend development. • Experience building and maintaining backend services and APIs. • Strong understanding of web technologies, browser fundamentals, and modern application architecture. • Excellent debugging, problem-solving, and analytical skills. • Ability to independently design and deliver complex technical solutions. • Strong technical curiosity, a research-oriented mindset, and the ability to quickly learn new technologies. • A proactive, ownership-driven approach and a passion for building high-quality software.
Bonus Points • Experience developing Chrome extensions or browser-based applications. • Familiarity with Chrome Extensions APIs, Manifest V3, or Chromium internals. • Experience with browser security, web security, or endpoint technologies. • Background in cybersecurity or security products such as DLP, SSE/SWG, or enterprise browsers. • Experience building performance-sensitive or real-time applications. • Familiarity with AWS and cloud infrastructure.
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