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INVESMATE GROUP

Junior AI Developer

Actively Reviewing

INVESMATE GROUP

Kolkata Full-Time 1–2 yrs exp Posted 2 hours ago  · Apply by Sep 14, 2026

We are looking for a motivated Junior AI Developer who is eager to learn and work on real-world AI products, including chatbots, RAG-based systems, AI agents, automation workflows, and business intelligence solutions.

The candidate should have a basic understanding of Python, APIs, databases, and AI/ML or GenAI concepts. This role is suitable for someone who wants to grow in the field of Generative AI, LLMs, RAG, LangChain/LangGraph, and AI automation.



Key Responsibilities

  • Develop and maintain AI-based applications using Python.
  • Work on chatbot and AI agent development.
  • Assist in building RAG-based systems using company documents and knowledge bases.
  • Integrate LLM APIs such as OpenAI, Gemini, Claude, or similar models.
  • Work with vector databases and embeddings.
  • Create and maintain REST APIs using FastAPI or similar frameworks.
  • Connect AI systems with external tools such as CRM, WhatsApp, websites, dashboards, and internal systems.
  • Clean, structure, and prepare documents/data for AI ingestion.
  • Test AI responses and improve prompt quality, accuracy, and reliability.
  • Debug issues related to API integration, prompt responses, and data retrieval.
  • Collaborate with backend, frontend, mobile, and product teams.
  • Stay updated with new AI tools, frameworks, and best practices.



Required Skills

  • Basic to good knowledge of Python.
  • Understanding of REST APIs and JSON.
  • Basic knowledge of databases such as PostgreSQL, MySQL, or MongoDB.
  • Familiarity with Git and GitHub.
  • Basic understanding of AI, Machine Learning, or Generative AI concepts.
  • Interest in working with LLMs, prompts, embeddings, and RAG.
  • Good logical thinking and problem-solving ability.
  • Willingness to learn new AI tools and frameworks.



Good to Have Skills

  • Experience with FastAPI or Django.
  • Basic knowledge of LangChain or LangGraph.
  • Experience with LLM APIs like OpenAI, Gemini, Claude, or similar.
  • Understanding of vector databases like Pinecone, Chroma, FAISS, Qdrant, or Weaviate.
  • Knowledge of prompt engineering.
  • Experience with chatbot development.
  • Basic understanding of cloud platforms like AWS, GCP, or Azure.
  • Knowledge of Docker is a plus.
  • Familiarity with frontend/mobile app integration is an added advantage.



What You Will Work On

  • AI sales and support chatbots.
  • Multi-agent AI systems.
  • RAG-based document Q&A systems.
  • Lead collection and automation workflows.
  • AI-powered customer engagement tools.
  • Internal business automation and analytics features.
  • Integration of AI agents with websites, apps, WhatsApp, CRM, and support systems.



Candidate Profile

We are looking for someone who is:

  • Curious and passionate about AI.
  • Strong in basic programming concepts.
  • Comfortable learning new tools quickly.
  • Able to debug and solve problems independently.
  • Interested in building real-world AI products.
  • Open to working in a startup-style fast-moving environment.
  • Good at communication and teamwork.



Educational Qualification

  • B.Tech / BCA / MCA / B.Sc / M.Sc in Computer Science, IT, Data Science, AI/ML, or a related field.
  • Freshers with strong project experience may also apply.



Preferred Project Experience

Candidates with any of the following project experience will be preferred:

  • Chatbot project
  • AI assistant project
  • RAG-based document search system
  • Python API project
  • LangChain or LLM-based project
  • Data processing or automation project
  • AI integration with web or app



Why Join Us

  • Opportunity to work on real AI products from the beginning.
  • Hands-on experience with GenAI, RAG, AI agents, and automation.
  • Learn directly from experienced developers and product teams.
  • Work on AI solutions used in real business environments.
  • Growth opportunity in the fast-growing AI product development space.