AI Developer

We are representing an innovative business seeking an experienced AI Developer for a full-time, initial 6-month contract. Operating remotely across the United Kingdom, you will spearhead the design, build, and implementation of an intelligent conversational AI chatbot. In this role, you will take ownership of the end-to-end technical approach. Transforming complex interaction models into a responsive, reliable tool that directly enhances platform user experience. Please note that visa sponsorship is not available for this contract engagement.

Key Responsibilities

• Design, build, and deploy an intelligent conversational AI chatbot from initial concept through to live integration.
• Integrate foundation models and LLM APIs, configuring context management, dialogue flows, and prompt structures.
• Collaborate closely with product and engineering teams to establish core architecture, conversational workflows, and technical specifications.
• Develop robust backend connections and REST APIs to ensure smooth data exchange with existing software infrastructure.
• Test, evaluate, and optimise model responses, dialogue management, and system latency to deliver production-ready code.
• Drive ongoing technical enhancements, troubleshooting edge cases and refining chatbot performance post-launch.

Required Skills & Experience

• Proven track record developing and deploying conversational AI solutions, virtual assistants, or AI-powered chatbots.
• Hands-on experience integrating LLMs and working with major foundation model interfaces, such as the OpenAI API or Anthropic API.
• Practical understanding of prompt engineering, chain-of-thought design, context windows, and advanced context management.
• Strong software engineering background with solid experience building backend services, handling API integrations, and delivering production-ready systems.
• Demonstrated ability to take complete technical ownership of an AI application development initiative throughout its lifecycle.

Nice-to-have

• Prior experience developing or integrating AI features within a multi-tenant SaaS or cloud software platform.
• Familiarity with third-party software integrations and complex multi-system workflow automation.

What We Offer / Why Join

This contract provides a direct opportunity to take technical ownership of a greenfield conversational AI build. You will focus entirely on practical implementation, tackling nuanced conversational workflows and working with leading foundation models to deliver a real-world, highly functional AI product.