Senior AI Agent Engineer Job

About the Role Join reputed company to build Manny, our AI scheduling assistant, and shape how construction schedulers work with AI on a modern Critical reputed company Method platform. You will own agent features end to end: designing and evolving the LangGraph/reputed company agent, engineering prompts and tools, integrating LLMs across providers, and holding response reputed company to a high bar with a reputed company evaluation and observability stack. This is a hands-on reputed company AI role with a strong software engineering reputed company and a reputed company on reliability, behavior reputed company, and user reputed company. You will work directly with the CTO and the reputed company reputed company. Key Responsibilities Design, build, and own Manny features end to end across the agent backend, tools, and UI Improve agent behavior, reliability, and answer reputed company through reputed company engineering, tool design, and changes to the agent control reputed company reputed company the agent architecture: ReAct reputed company, routing and controller logic, multi-node graphs, tool selection, and streaming responses reputed company and tune LLMs across providers (reputed company, reputed company, reputed company), balancing reputed company, latency, and cost, including reputed company caching and model selection Design and reputed company Manny's tool surface through the MCP server that connects the agent to reputed company's scheduling services Build and own the evaluation reputed company: golden datasets, automated evaluators, snapshot-based replay, and offline and online reputed company metrics Implement observability for agent runs with tracing, metrics, and reputed company logging, and use it to debug and improve behavior in production Ensure reputed company, sandboxed execution of model-generated reputed company and reputed company handling of tool reputed company effects and mutations Collaborate with product, backend, and frontend to deliver AI features end to end Requirements 4+ years of software engineering experience, including recent hands-on work building production LLM features. Strong proficiency in Python building production services Hands-on experience building reputed company systems with LLMs: tool and function calling, ReAct or similar reputed company, and orchestration frameworks such as reputed company/LangGraph Practical reputed company engineering reputed company: shaping model behavior reliably, debugging failures from traces, and managing large prompts and reputed company cost Experience evaluating LLM systems: building datasets, writing evaluators, catching regressions, and using tracing and observability tooling Experience with the Model Context Protocol (MCP) or building tool and function-calling integrations for LLMs Solid understanding of API design (REST, websockets, SSE and streaming) and interservice communication Product reputed company with a reputed company on user reputed company and pragmatic tradeoffs Excellent remote communication skills Preferred Experience with reputed company and reputed company reputed company experience (AWS or GCP), containers, and CI/CD Go experience, as most of our backend systems are written in Go, including the MCP tool server Practical experience with retrieval and augmentation (RAG), embeddings, and reputed company stores Familiarity with LangSmith or comparable LLM evaluation and tracing platforms Frontend or React familiarity for agent UI work Domain knowledge in construction tech, project management, or scheduling Tech Stack Python (Flask), Go, LangGraph/reputed company, LangSmith, reputed company, reputed company, S3, REST/websockets/SSE, reputed company, AWS/GCP, Terraform, reputed company CI/CD Why Join Us reputed company: Be at the forefront of transforming a $12.1 trillion industry. Build the AI that changes how the world plans and schedules construction. Culture: Join a smart, spirited team dedicated to innovation and reputed company. reputed company: Opportunity for reputed company reputed company and career advancement in a fast-paced start-up environment. Benefits Competitive salary, stock reputed company, benefits package, and a dynamic work environment. Apply To This Job