Full-Stack Software Engineer (AI-Native)

HuntingCube

Greater Kolkata Area

Job Description

About the job About the role Celeix Digital builds AI-native products - mailbox/document intelligence, AI classification, and data-extraction pipelines. You'll own features end-to-end across a NestJS backend and React frontend, work on AI pipelines and real-time delivery, and ship with a modern agentic AI workflow. Small team, high velocity. You'll work on Full-stack: NestJS 11 + TypeScript backend, React 19 + Vite frontend Background workers: BullMQ/Redis for mailbox sync, AI classification, outbound LLMs: OpenAI/Anthropic (Vercel AI SDK) - prompting, extraction, cost/latency Real-time + APIs: Socket.IO, REST Integrations: Microsoft Graph, Azure (Blob, AI Search, Service Bus) Must have 3+ years full-stack, strong TypeScript (Node + browser) Node/NestJS, TypeORM/Postgres, React + TanStack Query/Redux Queues/workers (BullMQ/Redis), WebSockets/Socket.IO Shipped product with LLM APIs (OpenAI/Anthropic) Fluent with AI coding tools & agentic workflows (Claude Code / Cursor / Copilot) - required, not a bonus Nice to have: Microsoft Graph, Azure, LLM evals/RAG, Datadog. Stack (tags): TypeScript

NestJS
Node.js
PostgreSQL
TypeORM
Redis
BullMQ
Socket.IO
React
Vite
TanStack Query
Redux Toolkit
Tailwind
OpenAI
Anthropic
Microsoft Graph
Azure
Datadog Process: 1) Screening → 2) DSA test → 3) Live agentic build → 4) Take-home → 5) CEO check-in.

Required Skills

['3+ years full-stack', 'strong TypeScript (Node + browser) Node/NestJS', 'TypeORM/Postgres', 'React + TanStack Query/Redux Queues/workers (BullMQ/Redis)', 'WebSockets/Socket.IO Shipped product with LLM APIs (OpenAI/Anthropic) Fluent with AI coding tools & agentic workflows (Claude Code / Cursor / Copilot) - required', 'not a bonus']

Additional Information

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