Full Stack AI Developer – Mid Level

About the role

Viseven Group is seeking a mid‑level Full Stack (AI) Developer to join its talent pool. You will work on AI‑powered solutions for pharmaceutical and life‑science clients, collaborating with senior engineers and contributing to 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 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 Generative AI technologies and best practices.
• Collaborate on micro‑services architecture and contribute to code reviews.

Required profile

• Mid‑level developer comfortable handling well‑scoped tasks with guidance from senior engineers.
• Strong interest in AI agent workflows, tool‑use, memory, and context management.
• Willingness to quickly ramp up on LangChain/LangGraph and Retrieval‑Augmented Generation (RAG) concepts.

Required skills

• Proficiency in TypeScript and Node.js.
• Good understanding of software design principles and modern development practices.
• Experience with NoSQL databases; familiarity with vector databases such as OpenSearch.
• Exposure to LangChain and/or LangGraph libraries.
• Understanding of RAG workflows and evaluation/testing approaches for AI systems.
• Basic knowledge of micro‑services architecture.
• Experience with AWS services (S3, Lambda, ECS, Bedrock) and Docker.