Applied AI Engineer

A global provider of specialist software, services, and support, delivering fully integrated trading and business management solutions to companies worldwide in the distributive trade. This organisation is renowned for its deep expertise in ERP/SaaS solutions, serving a diverse client base from small traders to multinational enterprises. The Role * Design and build prompts, context strategies, and LLM integrations for product features. * Work primarily in C# .NET, integrating AI capability into established codebases. * Prototype quickly, harden in weeks, and discern critical paths from negotiable corners. * Build evaluation alongside features, testing against real business cases to measure quality. * Handle unglamorous but essential aspects: error handling, fallbacks, latency, token cost, logging, and monitoring. * Collaborate with engineers to integrate new AI features seamlessly into existing patterns and pipelines. What You'll Need * Solid production experience with C# .NET, including safely shipping changes to established codebases. * Hands-on experience building with large language models, covering prompt design and context engineering. * A track record of rapidly taking ideas from conception to working software. * Experience in structured testing or evaluation of LLM outputs to drive quality improvements. * Daily fluency with AI coding tools such as GitHub Copilot, Cursor, or equivalents. * Understanding of retrieval-augmented generation (RAG), vector search, and embeddings is desirable. What's On Offer * An opportunity to take AI features from idea to shipped, working software in real products. * Work within established C# .NET codebases, integrating modern AI capabilities. * A flexible hybrid work policy combining office collaboration with remote work. * Contribute to high-performance, integrated ERP solutions for the distributive trade. Apply via Haystack today!