Threecolts

AI Engineer

• Design, develop and launch AI features using LLMs for listing optimisation, product descriptions, pricing insights, translation and image enhancement
• Build reliable AI workflows focused on output quality, performance, latency and cost
• Evaluate and improve AI features using real customer usage and measurable results
• Design, build and maintain the MCP server and public API
• Develop secure, scalable integrations enabling AI agents to act on behalf of sellers
• Ensure APIs are reliable, well-documented and scalable
• Work across .NET, C#, SQL Server, MongoDB, REST and GraphQL APIs
• Build and maintain integrations with e-commerce platforms and marketplaces
• Improve platform performance, reliability and scalability
• Own features from design through development, testing and production
• Break complex projects into manageable stages and deliver regular improvements
• Collaborate with developers, product and the GM on technical solutions
• Contribute to code reviews, technical discussions and knowledge sharing
• Communicate progress, identify risks and keep delivery on track

Explore Senior Software Engineer – Tech Lead, AI at Threecolts. Review requirements and application details.

Open roles

Senior Software Engineer – Tech Lead, AI