Senior Full Stack Engineer

4 weeks ago

Greater Kolkata Area, India Concentric AI Full time

About Us Concentric AI is redefining intelligent data security through our cutting-edge Semantic Intelligence™ platform . Powered by context-aware AI, we help organizations discover sensitive data, monitor risks, automate remediation, and ensure compliance — across data at rest, in motion, and within GenAI workflows. Join us in building the future of secure, AI-driven data protection. Role Overview We are looking for an experienced Senior Full Stack Developer who brings strong expertise in browser extensions and modern web technologies. This role will work closely with our product, security, and AI teams to build high-performance, scalable, and secure features for our platform. What You’ll Do Develop and enhance browser extensions (Manifest V3, WebExtensions) Build full-stack features using JS/TS, React/Angular, Node.js/Python/Go Integrate with REST APIs, GraphQL, WebSockets, and backend pipelines Collaborate with AI teams to integrate LLM-based workflows Ensure extension security, sandboxing, privacy compliance Contribute to CI/CD, testing automation, Docker/K8s workflows Troubleshoot, optimize performance, and deliver high-quality engineering outputs Required Skills & Qualifications ✔ 5+ years of software engineering experience ✔ 2+ years working with browser extensions or web automation tools ✔ Strong in JavaScript/TypeScript, HTML5, CSS3 , modern web APIs ✔ Hands-on with Chrome Extensions (Manifest V3) or Firefox WebExtensions ✔ Good understanding of RESTful APIs , JSON, GraphQL, WebSockets ✔ Experience with React or Angular ✔ Backend experience in Node.js, Python, or Go ✔ Familiarity with LLM integration (OpenAI, Anthropic, etc.) ✔ Knowledge of security practices, permissions, sandboxing ✔ Experience with CI/CD , automated testing, Docker/Kubernetes Nice-to-Have Skills  AI/ML background, especially with LLMs  Experience with Chrome DevTools Protocol (CDP)  Exposure to data annotation or AI evaluation frameworks  Prior work on developer tools, automation, or web security  Knowledge of Puppeteer, Playwright, or Selenium Why Join Us?  Work on cutting-edge AI-powered security products Collaborative, high-growth, innovation-driven environment Opportunity to build core platform features used by global enterprises

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