Senior Software Engineer, AI Platform

About Mixpanel

Mixpanel turns data clarity into innovation. Trusted by more than 29000 companies including Workday Pinterest LG and Rakuten Viber Mixpanels AI-first digital analytics help teams accelerate adoption improve retention and ship with confidence. Powering this is an industry-leading platform that combines product and web analytics session replay experimentation feature flags and metric trees. Mixpanel delivers insights that customers trust. Visit to learn more.

About the Team

The AI Platform team is a newly formed team at the center of Mixpanels AI-first analytics vision. With a greenfield charter were building the infrastructure that accelerates and transforms AI product development at Mixpanel both internally and for our customers.

We provide the tools to improve AI products enabling internal teams and customer agents to build things that were previously unimaginable. We build shared infrastructure that is essential for developing AI features with confidence and speed and that gives every agent the tools context and quality guarantees to act autonomously on behalf of users.

Some examples of what we are building:

• Agent Optimization Framework: A system that optimizes AI products for quality speed and cost using metrics from production and evals given the context of the invocation.
• AI Agent Integrations and Accessibility: Products and tools that bring the power of Mixpanel to wherever it is most effective for our customers including a Mixpanel slackbot MCP and a public skills library.
• AI Engine: Services that centralize core AI and LLM functionality at Mixpanel in order to accelerate AI development compound the value of AI efforts and provide customers with a consistent experience.

Role Overview

We are looking for an experienced and driven Senior Software Engineer to join our AI Platform team. You will be responsible for building the scalable secure and reliable infrastructure that accelerates AI agent development. You will be a leader and key contributor in a small fast paced newly formed team with a mandate to empower AI development across the company.

Responsibilities

• Platform Architecture: Design and develop the 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.

• Bachelors degree in Computer Science Mathematics a related field or equivalent practical experience
• 5 years of professional software engineering experience
• Strong full-stack fundamentals: youre 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: you 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.
• A desire to be on the forefront of leveraging AI to drive product improvement observability and product analytics at scale.

Benefits and Perks

• Comprehensive Medical Vision and Dental Care
• Mental Wellness Benefit
• Generous Vacation Policy & Additional Company Holidays
• Enhanced Parental Leave
• Volunteer Time Off
• Additional US Benefits: Pre-Tax Benefits including 401(K) Wellness Benefit Holiday Break

*please note that benefits and perks for contract positions will vary*

Culture Values

• Make Bold Bets: We choose courageous action over comfortable progress.
• Innovate with Insight: We tackle decisions with rigor and judgment - combining data experience and collective wisdom to drivepowerful outcomes.
• One Team: We collaborate across boundaries to achieve far greater impact than any of us could accomplish alone.
• Candor with Connection: We build meaningful relationships that enable honest feedback and direct conversations.
• Champion the Customer: We seek to deeply understand our customers needs ensuring their success is our north star.
• Powerful Simplicity: We find elegant solutions to complex problems making sophisticated things accessible.

Why choose Mixpanel

Were a leader in analytics with over 9000 customers and $277M raised from prominent investors: like Andreessen-Horowitz Sequoia YC and most recently Bain Capital. Mixpanels pioneering event-based data analytics platform offers a powerful yet simple solution for companies to understand user behaviors and easily track overarching company success metrics. Our accomplished teams continuously facilitate our expansion by tackling the ever-evolving challenges tied to scaling reliability design and service. Choosing to work at Mixpanel means youll be helping the worlds most innovative companies learn from their data so they can make better decisions.

Mixpanel is an equal opportunity employer supporting workforce diversity. At Mixpanel we are focused on things that really matterour people our customers our partnersout of a recognition that those relationships are the most valuable assets we have. We actively encourage women people with disabilities veterans underrepresented minorities and LGBTQ people to apply. We do not discriminate on the basis of race religion color national origin gender gender identity or expression sexual orientation age marital status veteran status or disability status. Pursuant to the San Francisco Fair Chance Ordinance or other similar laws that may be applicable we will consider for employment qualified applicants with arrest and conviction records. Weve immersed ourselves in our Culture and Values as our guiding principles for the impact we want to have and the future we are building.