Remote GenAI Engineer for Production LLM Pipelines

TechShack; Greater London; Remote; GBP 92,000 - 101,000; Full time

Job summary

TechShack is hiring a GenAI/LLM Engineer for a 6‑month, fully remote contract. The role focuses on building production GenAI systems, including LLM pipelines, RAG workflows, and document processing using AWS Bedrock and Agentcore.

The position requires moving beyond proofs of concept to deliver real‑world solutions, including multi‑agent architectures, vector search with OpenSearch, and integration with LangChain or similar frameworks.

Qualifications

• Hands-on experience delivering GenAI/LLM in production, not just POCs.
• Experience with RAG for document-heavy apps.
• Familiarity with AWS Bedrock and Agentcore.
• Knowledge of OpenSearch vector search and hybrid retrieval.
• Experience with LangChain, LlamaIndex, LangGraph or similar.
• Document processing tech like Textract, PyPDF or Unstructured.io.
• Ability to design multi-agent/tool-use architectures.
• GenAI evaluation, hallucination detection and confidence scoring.

Skills

GenAI pipelines

RAG architecture

Document processing

Multi-agent design

Production deployment

LLM evaluation

Regulated environment

Tools

Amazon Bedrock

Agentcore

OpenSearch

LangChain

LlamaIndex

Job description

TechShack is hiring a GenAI/LLM Engineer for a 6‑month, fully remote contract. The role focuses on building production GenAI systems, including LLM pipelines, RAG workflows, and document processing using AWS Bedrock and Agentcore.

The position requires moving beyond proofs of concept to deliver real‑world solutions, including multi‑agent architectures, vector search with OpenSearch, and integration with LangChain or similar frameworks.