AI Engineer: Build Production-Ready AI Features

The ECA International Group; Greater London; Hybrid; GBP 70,000 - 110,000; Full time

Job summary

The ECA International Group is seeking a hands-on AI Engineer to build real AI features and bring intelligent solutions into production. You’ll work with Claude, OpenAI, Gemini and open-weight models, shaping RAG pipelines and agentic workflows in production systems.

You’ll collaborate with engineers and product teams in an Agile environment, applying governance, privacy and security principles while exploring new AI-driven capabilities to deliver practical mobility technology enhancements for

Qualifications

• 2-5 years of software development experience, including hands-on experience building LLM-powered applications.
• Strong development skills in Python and/or TypeScript, alongside solid software engineering fundamentals.
• Practical experience working with LLM APIs, including Claude, OpenAI or Gemini.
• Experience building and deploying RAG solutions, including embeddings, vector databases and retrieval optimisation.
• Hands-on experience running open-source or open-weight models, such as Llama, Mistral or Qwen.
• Practical experience using Claude Code, including its workflows, plugins, skills and other development capabilities.
• Experience with AWS Bedrock, including model integration and associated services.
• An understanding of responsible AI, including governance, data privacy, security and appropriate safeguards.
• Experience working in an Agile software engineering environment.

Responsibilities

• Design, develop and deliver AI-powered features using technologies such as Claude, OpenAI, Gemini and open-weight models.
• Build and improve retrieval-augmented generation pipelines, working with embeddings, vector databases and retrieval techniques to deliver reliable results.
• Help develop intelligent agents and workflows using AWS Bedrock, with opportunities to work with AgentCore and agent orchestration frameworks.
• Use Claude Code as part of the engineering workflow, helping to develop smarter ways of designing, building and delivering software.
• Evaluate and monitor AI performance, identifying opportunities to improve quality, reliability, speed and cost.
• Help ensure our AI solutions are secure, trustworthy and developed with governance and safeguards.
• Collaborate with engineers, product teams and other specialists to turn ideas into working solutions.

Skills

Python

TypeScript

LLM development

RAG

Embeddings

Vector databases

Retrieval techniques

Agile software engineering

Security & governance

Tools

Docker

Node.js

React

PostgreSQL

Terraform

Claude Code

Job description

The ECA International Group is seeking a hands-on AI Engineer to build real AI features and bring intelligent solutions into production. You’ll work with Claude, OpenAI, Gemini and open-weight models, shaping RAG pipelines and agentic workflows in production systems.

You’ll collaborate with engineers and product teams in an Agile environment, applying governance, privacy and security principles while exploring new AI-driven capabilities to deliver practical mobility technology enhancements for