Software Engineer, AI Platform

We are seeking a driven Software Engineer to join our AI Platform team at Mixpanel. You will be responsible for building scalable, secure, and reliable infrastructure that accelerates AI agent development.

Responsibilities

• Platform Architecture: Design and develop core backend services, APIs, and microservices that enable product teams to easily and securely leverage AI models.
• Agent Orchestration: Build scalable frameworks and tools to support multi-step agent workflows, including task decomposition, tool invocation, and persistent memory.
• Evaluation & Reliability: Build robust evaluation systems to continuously measure reasoning quality, hallucination rates, and task success.
• Operational Excellence: Architect high-performance serving infrastructure with strict guarantees around latency, throughput, cost-efficiency, and error handling.
• Observability & MLOps: Ensure comprehensive monitoring, structured logging, and distributed tracing across all deployed AI models.
• Collaboration: Partner with designers, product managers, and other engineers to build self-serve infrastructure that transforms our AI development cycle.
• Leadership: Advocate for software engineering best practices, conduct thorough design and code reviews, and mentor junior engineers.

Requirements

• Bachelor's degree in Computer Science, Mathematics, a related field, or equivalent practical experience
• 2+ years of professional software engineering experience
• Strong full-stack fundamentals: comfortable working across frontend, backend, and data layers
• Excellent debugging and technical investigation skills
• Strong technical communication, ideally with experience collaborating in an asynchronous remote environment
• Ability to move fast and iterate in ambiguous environments: take ownership and focus on delivering value to users
• Hands-on experience integrating and orchestrating LLMs and agents
• Experience building AI native systems, including iteratively improving and scaling them in production
• Familiarity with techniques used to optimize AI agents: eval frameworks, agent tooling, vector search engines, context engineering, and prompt engineering.

Compensation and Benefits

• The compensation range for this position is $188,000-$254,000 USD.
• Benefits include comprehensive medical, vision, and dental care, mental wellness benefit, generous vacation policy, enhanced parental leave, volunteer time off, and additional US benefits such as pre-tax benefits including 401(K), wellness benefit, holiday break.