Job Description – Senior AI Full Stack Engineer

Experience: 8+ Years

Location: Remote

Employment: Haparz Payroll

Budget: Up to 24 LPA

Role Overview

We are looking for an experienced Senior Full Stack Engineer to building a next-generation Agent Development Platform (ADP). This role requires expertise across frontend and backend development, enabling seamless integration between AI-powered applications, platform services, and enterprise-grade administrative interfaces.

You will build scalable React applications, high-performance backend APIs, AI gateway services, and secure multi-tenant platform capabilities while working closely with AI, DevOps, and Product Engineering teams.

Key Responsibilities

- Design, develop, and maintain scalable full-stack applications using React and modern backend technologies.
- Build and enhance the Platform Control Plane and AI Gateway for LLM routing, telemetry, and tenant-level cost management.
- Develop React-based Admin Console features for tenant configuration, security policies, licensing, and budget management.
- Implement FastAPI backend services with secure CRUD operations and multi-tenant data isolation.
- Design and develop RESTful APIs using Python (FastAPI), Java Spring Boot, or Node.js.
- Collaborate on Python and TypeScript SDK development for AI agent integration.
- Build conversational interfaces and administrative dashboards for AI agent interactions.




- Convert platform configurations into YAML-based runtime definitions for AI agents.
- Implement secure authentication, authorization, SSO, and RBAC using WorkOS.
- Ensure secure execution environments using Firecracker MicroVMs, Docker, or Kubernetes.
- Collaborate with DevSecOps teams on deployment automation, scalability, and platform reliability.

Required Skills

- Strong experience in React and modern frontend architecture.
- Hands-on experience with FastAPI (Python).
- Strong backend expertise in Java Spring Boot and/or Node.js.
- Experience designing scalable RESTful APIs.
- Platform Control Plane and AI Gateway development experience.
- Robust understanding of YAML configuration management.
- Experience with PostgreSQL and multi-tenant application architecture.
- Knowledge of secure authentication, OAuth 2.0, WorkOS, and RBAC.
- Experience with Docker, Kubernetes, and containerized deployments.
- Familiarity with AI integration patterns and enterprise platform development.

Preferred Skills

- Langfuse or LangSmith for AI observability.
- ChromaDB, GraphDB, or other vector database integrations.
- Firecracker MicroVMs for secure runtime isolation.
- Temporal Workflow Orchestration.
- Figma-based Design System implementation.
- Experience building AI agent interaction interfaces such as review queues and confidence scoring dashboards.

Skills:- React.js, FastAPI, Java, Spring Boot and Agent Development Platform

📌 Senior AI Full Stack Engineer (India)
🏢 Haparz
📍 India