[Remote] Senior Software Engineer, AI Platform

Note: The job is a remote job and is open to candidates in USA. Mixpanel is a leader in analytics, providing AI-first digital analytics to over 29,000 companies. They are seeking a Senior Software Engineer to join their AI Platform team, responsible for building scalable infrastructure that accelerates AI agent development.ResponsibilitiesPlatform Architecture: Design and develop the core backend services, APIs, and microservices that enable product teams to easily and securely leverage AI modelsAgent Orchestration: Build scalable frameworks and tools to support multi-step agent workflows, including task decomposition, tool invocation, and persistent memoryEvaluation & Reliability: Build robust evaluation systems to continuously measure reasoning quality, hallucination rates, and task successOperational Excellence: Architect high-performance serving infrastructure with strict guarantees around latency, throughput, cost-efficiency, and error handlingObservability & MLOps: Ensure comprehensive monitoring, structured logging, and distributed tracing across all deployed AI modelsCollaboration: Partner with designers, product managers, and other engineers to build self-serve infrastructure that transforms our AI development cycleLeadership: Advocate for software engineering best practices, conduct thorough design and code reviews, and mentor junior engineersSkillsBachelor's degree in Computer Science, Mathematics, a related field, or equivalent practical experience5+ years of professional software engineering experienceStrong full-stack fundamentals: you're comfortable working across frontend, backend, and data layersExcellent debugging and technical investigation skillsStrong technical communication, ideally with experience collaborating in an asynchronous remote environmentAbility to move fast and iterate in ambiguous environments: you take ownership and focus on delivering value to usersHands on experience integrating and orchestrating LLMs and agentsExperience building AI native systems, including iteratively improving and scaling them in productionA desire to be on the forefront of leveraging AI to drive product improvement, observability and product analytics at scaleBenefitsComprehensive Medical, Vision, and Dental CareMental Wellness BenefitGenerous Vacation Policy & Additional Company HolidaysEnhanced Parental LeaveVolunteer Time OffAdditional US Benefits: Pre-Tax Benefits including 401(K), Wellness Benefit, Holiday BreakCompany OverviewMixpanel turns data into decisions with analytics that simplify insights, guide decisions, and measure product and marketing impact. It was founded in 2009, and is headquartered in San Francisco, California, USA, with a workforce of 201-500 employees. Its website is https://mixpanel.com/.Company H1B SponsorshipMixpanel has a track record of offering H1B sponsorships, with 2 in 2026, 12 in 2025, 12 in 2024, 10 in 2023, 22 in 2022, 6 in 2021, 12 in 2020. Please note that this does not guarantee sponsorship for this specific role.