Senior Full Stack Engineer

Senior Full Stack Engineer (Lead) – AI Platform & Agentic SystemsNoida (Onsite) | Full-Time | Immediate StartApply: the RoleISIR.AI is building next-generation agentic AI products. We are looking for a Senior Full Stack Engineer (Lead) who will drive architecture, development, delivery quality, and UI engineering for all our AI products. This role requires strong ownership and the ability to convert product vision into scalable engineering foundations.Key Responsibilities1. Frontend Architecture & Foundation- Build the main UI shell (layouts, routing, navigation, global components)- Structure a scalable frontend for multiple AI products- Ensure consistent, clean UI/UX across different AI platforms2. Build a Reusable UI Component Library- Create reusable components- Develop rich editors, analytics charts, and calendar widgets- Ensure maintainable, well-documented component patterns3. Product Dashboards- Hiring dashboards → i.e., jobs, candidates, assignments, evaluation insights- Marketing dashboards → i.e., campaigns, content plans, performance metrics, cost, actions- Other AI platform dashboards4. API & Integration Layer- Create unified API clients, hooks, and integration utilities- Manage error handling, caching, and state management- Collaborate with backend & AI teams to integrate agentic workflows5. Backend Engineering (Node.js or Python FastAPI)- Design clean REST APIs- Implement controllers, validation, and middleware- Integrate with platform services (identity, notifications, agent runtime)6. Authentication & Access Control- Implement secure login + token management- Role-based access control (RBAC Flow) (hiring manager, marketing manager, candidate)- Organization-level multi-tenant access control7. Engineering Ownership & Leadership- Review code from junior developers- Set coding standards & folder structure- Drive clean architecture and maintainability- Work closely with Founder & AI team to align on product requirements8. DevOps & Deployment- Set up CI/CD pipelines (GitHub Actions)- Containerize apps with Docker- Deploy to Cloud Run / Azure App Service- Manage environment configurations and secrets9. AI Integration- Integrate LLM/agent responses into product flows- Collaborate with AI engineering team on workflow designRequired SkillsTechnical- Expert in React + Next.js (App Router)- Strong backend skills in Node.js, Python (FastAPI)- Experience designing scalable frontend architecture- Strong understanding of REST APIs and integration patterns- Good with Docker & CI/CD pipelines- Experience working with LLM or agentic systems (preferred)Soft Skills- Strong ownership and accountability- Ability to mentor junior developers- Clear communication and problem-solving- High execution speed with clean code qualityWhy ISIR.AI- Build real Agentic AI systems used in production- Work directly with the Founder (Garima)- Zero bureaucracy, high-performance culture- Opportunity to grow into Engineering Manager / Head of Engineering- Fast learning environment with exposure to multi-product AI engineeringCompensation- Competitive salary- Performance-based increments- Leadership role from day oneHow to ApplySend your resume + GitHub/portfolio to: Or DM directly on LinkedIn.