Senior Software Engineer

Job Summary

A company is looking for a Senior Software Engineer, AI.

Key Responsibilities

• Collaborating with Data Science and Product teams to design, build, and ship LLM-powered features across the media buying platform
• Designing and building agents using frameworks like LangChain and LangGraph to automate complex media planning workflows
• Developing MCP servers and APIs that connect internal and external agents to the media buying toolkit

Required Qualifications

• 5+ years of experience in software engineering, with recent hands-on work building LLM-powered applications or agent systems
• Strong proficiency in Python, with experience in building production APIs and backend services
• Familiarity with agent frameworks such as LangChain or LangGraph
• Ability to move quickly from prototype to production while balancing speed with code quality
• Experience with evaluation tools like LangSmith or Langfuse