Mid-level Full Stack AI Developer

About the role

Viseven Group is seeking a mid-level Full Stack Developer to join its AI talent pool. You will work on AI-powered applications that leverage generative large language models, collaborating with senior engineers and contributing to strategic 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 to external APIs, enterprise systems and knowledge sources.
• Build and optimise retrieval layers such as hybrid search, vector search and metadata filtering for LLM consumption.
• Maintain and enhance micro-service based applications, ensuring scalability and reliability.
• Stay current with emerging generative AI technologies and best practices.

Required profile

• Mid-level experience with TypeScript and Node.js.
• Solid understanding of software design principles and modern development practices.
• Experience with NoSQL databases; familiarity with vector databases (e.g., OpenSearch) is a plus.
• Interest or experience in AI agent workflows, retrieval-augmented generation and evaluation of AI systems.

Required skills

• TypeScript
• Node.js
• NoSQL databases
• OpenSearch (vector database)
• LangChain
• LangGraph
• LangSmith
• AWS (S3, Lambda, ECS, Bedrock)
• Docker
• Microservices architecture