Available for Hybrid Roles & Consulting

Arkodeep Chatterjee

Full-Stack AI Engineer

Building realtime voice agents, agentic systems, and production-grade LLM infrastructure.

Book a Call Download Resume (PDF) Detailed Work History (G-Doc)
Arkodeep Chatterjee

About Me

AI Engineer and startup builder with 2+ years of hands-on experience building AI products, developer tools, and full-stack applications from 0 → 1.

Operating primarily in fast-moving startup environments, I take ownership across the entire product lifecycle—from product ideation and system design to implementation, deployment, and rapid iteration based on user feedback.

2+ Years Experience
15+ Shipped Deployments
10K+ Users Impacted

Work Experience

Feb 2026 – Present

Backend AI Engineer

Neosophical Labs
  • Built a LangGraph multi-agent ingestion pipeline auto-classifying and mapping Excel, XML, and PDF payroll data into a unified Postgres schema, cutting per-client HR migration time from 3 weeks to under 2 hours.
  • Engineered tool-calling agents for header-to-column mapping (OpenRouter LLMs) and Gemini VLM-driven PDF→JSON extraction, ingesting 27K+ employee records across 14+ enterprise clients at 97% mapping accuracy.
  • Shipped AI personalization backend for Ahoum Seeker (wellness companion), powering practitioner–seeker matching for 3K+ users with <300ms p95 latency.
May 2025 – Nov 2025

Founding Realtime AI Engineer

Emvo AI
  • Architected “Agentverse,” a sub-second realtime voice engine delivering <800ms p95 response across 50+ enterprise integrations.
  • Built modular inference pipelines that collapsed client onboarding from weeks to under 30 minutes, powering 8K+ daily voice sessions.
  • Cut inference cost 34% via streaming + concurrency optimizations while sustaining 98%+ uptime under multi-tenant production load.
Nov 2024 – May 2025

AI Engineer Consultant

Numly Inc
  • Led Engage AI, an enterprise coaching agent shipped to 6 paying clients; drove a 41% lift in employee active-engagement metrics.
  • Designed adaptive learning loop personalizing leadership tracks for 2K+ users, cutting average skill-gap closure time by 27%.
  • Shipped analytics layer surfacing skill drift and coaching ROI, reducing manager onboarding time by 40%.
Nov 2023 – May 2024

CTO

NexaWings International
  • Led a 7-engineer team building AI SaaS products (chatbots, workflow automation, AI integrations) shipped to 12+ industry clients.
  • Drove $12K+ in revenue through custom GenAI deployments; raised average client process efficiency 3–4x.

Featured Projects

A selection of high-impact AI agents and production-grade engineering deployments.
For my complete portfolio of client integrations, view the Detailed Work History Google Doc .

Agentverse

Voice Engine

Realtime Voice Agent Engine @ Emvo AI

  • Sub-second latency voice engine delivering <800ms p95 response time across 50+ integrations.
  • Collapsed enterprise onboarding from weeks to under 30 minutes, powering 8K+ daily sessions.
  • Optimized streaming and concurrency to slash inference costs by 34% with 98%+ uptime.
WebRTC WebSockets FastAPI Emvo.ai

Engage AI

AI Agent

Enterprise Coaching System @ Numly Inc

  • Shipped to 6 paying enterprise clients, resulting in a 41% lift in employee active-engagement metrics.
  • Designed adaptive learning loops that cut leadership track skill-gap closure times by 27% for 2K+ users.
  • Built high-fidelity analytics tracking skill drift and coaching ROI.
LangChain RAG AWS Numly.io

Ahoum Seeker

Personalization

AI Practitioner–Seeker Matching Backend

  • Engineered matching backend matching users with wellness practitioners with <300ms p95 latency.
  • Designed personalization algorithms to scale user interactions and matching for 3K+ users.
Node.js Express LangChain Seeker.ahoum

Dodge

Agentic AI

SAP Order-to-Cash Knowledge Graph & AI Agent

  • Built agentic system mapping 21K+ SAP entities into an interactive force-directed graph.
  • Engineered ReAct agent with 6 specialized tools, conversation memory, and 3-tier guardrails.
  • Implemented SSE streaming and model fallback handlers on API rate limits.
FastAPI LangChain MongoDB Next.js 16

TruePal

Companion App

Personalized AI Companion Web & Mobile App

  • Adaptive AI delivering empathetic, evolving conversations, scaling beta to 500+ users.
  • Built customizable avatar system and low-latency secure chat infra for stress-reduction.
Next.js Tailwind Prisma Truepal.xyz

Lawyer GPT

RAG

AI Legal Assistant for Law Firms and Students

  • Designed contract analysis RAG pipeline, generating custom drafts in a single prompt.
  • Reduced legal research search times by 60% using semantic retrieval of past case documents.
Python Gradio OpenAI Vector DB

Storyia

Generative AI

AI Kids' Story Generation Platform

  • Created full story generation system matching text narratives with auto-generated images.
  • Scaled platform to over 50+ users, reducing image rendering queues using Redis worker queues.
React Express Azure Storyia.app

Galva

AI Assistant

AI Assistant for Electroplating & Technical Guidelines

  • Built specialized technical assistant providing electroplating formulations and guidelines.
  • Integrated custom document search to support 30+ users answering chemical math queries.
JavaScript LangChain MongoDB Galva.ai

Technical Skills

Programming

Python TypeScript JavaScript Solidity C Rust

AI & LLMs

LangChain LangGraph OpenAI Claude Agent SDK Gemini Live API Google ADK AWS Bedrock Azure AI RAG Vector DBs PandasAI n8n

Backend & APIs

FastAPI Node.js Express.js Flask REST WebSockets WebRTC

Frontend & Mobile

React Next.js Tailwind CSS React Native Expo NativeWind

Infra & DevOps

AWS Docker ECS Redis AWS OpenSearch GitHub Actions CI/CD Linux Coolify

Databases

PostgreSQL MongoDB Prisma Mongoose

Education

B.Tech, Computer Science & Engineering (AI)

GPA: 8.78

Institute of Engineering and Management (IEM), Kolkata

Focus on Artificial Intelligence, Machine Learning, and Software Systems. Class of 2026.

Achievements

  • Startup Mahakumbh (New Delhi)

    Only startup from West Bengal selected to participate at Bharat Mandapam.

  • RPV Innovation Challenge (IIT Madras)

    2nd prize in the Autonomous UAV category.

  • Global Entrepreneurship Summit (IIT Kharagpur)

    2nd prize in the Business Plan discipline.

Let's build something together

Have an interesting project or want to chat about AI Agents, production LLMs, or full-stack engineering? Book a direct session on my Google Calendar.

Book a 15-Min Call Download Resume (PDF)

Want a complete printout of my deployments and roles? Access my Detailed Work History Document

arkodeep3404@gmail.com +91 91238 47498 LinkedIn GitHub