# Hussain C

> I build AI agents and LLM systems that make it to production. 18 years shipping software for clients worldwide, from Surat, India.

Hussain C is an AI and full-stack engineer based in Surat, India, working with clients worldwide as a forward deployed engineer. Founder of Araneux Systems (since 2014) and Altrun (2026). Former lead blockchain developer (2017 to 2019). Gold medalist, B.E. Computer Science.

Contact: me@ehussain.in · https://ehussain.in/contact

Hours: I keep flexible hours and move my day to overlap with yours, whether that's a morning standup in New York or a late release in Sydney.

## Services
- [AI agents & workflow automation](https://ehussain.in/services/ai-agents): I design and build AI agents that automate real workflows: triage, research, drafting, scheduling and handoffs, wired into the tools your team already uses.
- [LLM & ChatGPT integration](https://ehussain.in/services/llm-integration): Add ChatGPT or Claude to your product or internal tools: assistants that answer from your own data, take safe actions and are tested before every release.
- [Full-stack product engineering](https://ehussain.in/services/product-engineering): Full-stack web and mobile development with Next.js, React, Node.js, Laravel, React Native and Flutter. From scope to production, with AI built in where it helps.
- [Smart contracts & Web3](https://ehussain.in/services/smart-contracts): Solidity smart contract development and Web3 integration on Ethereum and EVM chains, from a former lead blockchain developer.

## Toolkit
- Forward deployed: Sitting with the people who do the work, Scoping what's worth automating, Prompt and context engineering, Evals before anything ships, Guardrails, PII redaction, approvals, Cost and latency budgets, Rollout, training and handover, On call after launch
- Models: Claude, GPT and o-series, Gemini, Llama, Mistral, DeepSeek, Qwen, Fine-tuning (LoRA)
- Agent frameworks: LangChain, LangGraph, LlamaIndex, OpenAI Agents SDK, Claude Agent SDK, Vercel AI SDK, CrewAI, AutoGen, Pydantic AI, Google ADK, Mastra, DSPy
- Tools & protocols: MCP, A2A, Function calling, Structured outputs, Computer use, Browser agents, Playwright
- Retrieval & memory: Embeddings, pgvector, Pinecone, Qdrant, Weaviate, Chroma, Hybrid search, Rerankers, GraphRAG, Document parsing
- Evals & observability: LangSmith, Langfuse, Braintrust, Arize Phoenix, promptfoo, Ragas, LLM-as-judge, OpenTelemetry
- Hosting & gateways: AWS Bedrock, Azure OpenAI, Vertex AI, OpenRouter, LiteLLM, Groq, Together AI, Hugging Face, Ollama, vLLM
- Voice & vision: OpenAI Realtime, Whisper, Deepgram, ElevenLabs, LiveKit, Vapi, Twilio, Vision & OCR
- Workflows: n8n, Zapier, Make, Temporal, Inngest, Trigger.dev, Queues & cron
- Product stack: Python, TypeScript, FastAPI, Next.js, Node.js, Laravel, React Native, PostgreSQL, Redis, Docker, AWS, Vercel, Cloudflare
- AI coding: Claude Code, Cursor, Codex, GitHub Copilot, Replit, v0

## Case studies
- [Altrun](https://ehussain.in/work/altrun): Case study: Altrun, an AI agent that reads Telegram, email and Instagram DMs, then classifies, drafts and schedules replies in your own voice.
- [Araneux](https://ehussain.in/work/araneux): Case study: Araneux Systems, the Surat software studio Hussain C founded in 2014. 115 projects for 53 clients across web, mobile and AI.
- Plus 120+ private engagements under NDA, listed by role and stack only at https://ehussain.in/work

## About
- [About Hussain C](https://ehussain.in/about): Hussain C is an AI and full-stack engineer from Surat, India. Founder of Araneux and Altrun, former lead blockchain developer, gold medalist in Computer Science.

## Elsewhere
- LinkedIn: https://www.linkedin.com/in/ehussain
- Upwork: https://www.upwork.com/freelancers/~01e596b669d5674a0f
- Araneux: https://araneux.com