AI Agent Engineer

Wearemighty is hiring an AI Agent Engineer to build production systems around LLMs for their marketing platform trysecretsauce.ai. The role involves designing agent loops, retrieval systems, and evaluation harnesses, not training models. The ideal candidate has production experience with LLM-based applications and strong software engineering skills.

• Designing and shipping production-ready AI agent systems
• Building and refining agent loops
• Owning prompt engineering and context engineering
• Architecting retrieval systems using RAG
• Designing memory systems
• Building evaluation harnesses
• Optimising cost and latency
• Building agent infrastructure
• Taking features from prototype to production
• Collaborating with product and stakeholders
• Contributing to system design decisions

• Production experience building LLM-powered or agent-based applications
• Hands-on expertise in at least three of: Agent architectures, Prompting, Tool use, RAG, Evaluation, Memory, Prompt caching
• Strong software engineering fundamentals (API design, concurrency, testing, debugging)
• Fluency in TypeScript required, Python preferred
• Metrics-driven development mindset