Full Stack (AI) Developer – Middle Level

About the role

Viseven Group is seeking a Middle Full Stack Developer to help build AI‑powered solutions for the pharmaceutical and life‑science sectors. You will work on well‑scoped tasks, receive guidance from senior engineers, and contribute to larger generative AI initiatives.

Key responsibilities

• Develop and integrate AI agents with tool‑use, memory, and context management using LangChain, LangGraph, and LangSmith.
• Connect large language models (LLMs) to external tools, APIs, knowledge sources, and enterprise systems.
• Build and optimise retrieval layers such as hybrid search, vector search, and metadata filtering for LLM consumption.
• Stay current with modern technologies and best practices for generative AI applications.

Required profile

• Proficiency in TypeScript and Node.js.
• Strong grasp of software design principles, design patterns, and modern development best practices.
• Experience with NoSQL databases; familiarity with vector databases (e.g., OpenSearch) is a plus.
• Understanding of AI agent workflows (tool‑use, memory, context) or a strong interest in building them.
• Basic knowledge of agentic behaviours such as planning, retrieval, and self‑correction.
• Exposure to LangChain or LangGraph libraries, or willingness to ramp up quickly.
• Familiarity with Retrieval‑Augmented Generation (RAG) workflows and AI evaluation/testing approaches.

Required skills

• TypeScript
• Node.js
• NoSQL databases
• OpenSearch (or other vector databases)
• LangChain
• LangGraph
• LangSmith
• Large Language Model integration
• Hybrid and vector search techniques
• Metadata filtering
• RAG workflow implementation
• AI system evaluation and testing