Full Stack Developer - AI (React / Node.js / Python)

Concept To Code Technologies is hiring a Full Stack Developer - AI (React / Node.js / Python) in Dehradun, India. The details below summarise the employer's own listing; applications happen on the original posting, not on GetFirstJob.

What the work involves

• Concept to Code is a leading software development company with a strong global presence, delivering cutting-edge technology solutions. We specialize in Web Development, IT Consulting, Custom Software Development, AI/ML Solutions, Cloud Computing, and IT Outsourcing Services. Today, AI sits at the core of everything we build, from AI voice agents and intelligent CRM automation to LLM-powered SaaS products used by clients worldwide.
• Job Title: AI Full Stack Developer (AI Engineer + Full Stack)
• Department: IT AI & Product Engineering
• Reporting to: Project Manager
• Job Location: Dehradun
• Experience: 01 year (Freshers with outstanding knowledge are welcome)
• Job Purpose:
• We are looking for an AI Full Stack Developer to design, build, and maintain AI-powered web applications. This role combines full stack development with practical AI engineering. You will develop front-end and back-end systems, integrate AI models into real business products, and make sure every solution is reliable, secure, and scalable. You will work closely with project managers, designers, and clients to turn business requirements into working software.
• AI Engineering
• • Design and build AI features using LLM APIs (OpenAI, Anthropic Claude, Google Gemini) and open-source models.
• • Build AI agents and multi-step workflows with tool/function calling, memory, and external system integrations (MCP, LangChain, LangGraph, or similar).
• • Develop RAG (Retrieval-Augmented Generation) pipelines: document ingestion, chunking, embeddings, vector search, and grounded answers.
• • Write, test, and version prompts; build evaluation (evals) to measure accuracy, and reduce hallucinations.
• • Build conversational and voice AI solutions (chatbots, AI calling agents) using tools like Twilio, Vapi, Retell, ElevenLabs, or similar.

What they are looking for

• • Education: B.Tech/M.Tech/MCA in Computer Science, IT, or related field (strong portfolio can substitute).
• • Frontend: React.js / Next.js, JavaScript/TypeScript (ES6+), HTML5, CSS3, Tailwind CSS.
• • Backend: Node.js (Express/NestJS) and Python (FastAPI/Django/Flask).
• • AI/LLM: Working knowledge of OpenAI / Claude / Gemini APIs, prompt engineering, function calling, and embeddings, shown through personal, academic, internship, or professional projects.
• • Vector Databases: pgvector, Pinecone, Qdrant, Weaviate, or ChromaDB.
• • Databases: PostgreSQL, MySQL, MongoDB, Supabase/Firebase, Redis.
• • Cloud & DevOps: AWS (EC2, Lambda, S3, RDS), Docker, Git, CI/CD.
• • Integrations: RESTful APIs, GraphQL, Webhooks, WebSockets.
• Good to Have:
• • AI agent frameworks: LangChain, LangGraph, LlamaIndex, CrewAI, OpenAI Agents SDK, or Model Context Protocol (MCP).
• • Voice AI and telephony: Twilio, speech-to-text, text-to-speech.
• • Automation platforms: n8n, Make, Zapier, Go HighLevel.
• • Fine-tuning or running open-source models (Llama, Mistral, Qwen) via Hugging Face or Ollama.
• • ML fundamentals: PyTorch/TensorFlow, basic model training and evaluation.

Pay and dates

The listed pay is 2.5-3.5 Lacs P.A.. The source page shows a relative posting age rather than an exact posting date; this role was first seen and checked as open on 5 November 2026. The source page showed it as posted "1 day ago" when captured; that is a relative stamp, not an exact date.

How to apply

Apply on the listing where the employer published this role: Full Stack Developer - AI (React / Node.js / Python) at Concept To Code Technologies. We found this listing via naukri.com; it was still open when we checked on 5 November 2026. If the posting has closed or the link fails, the role may have been filled.