Full Stack Engineer - Session Replay

About Mixpanel

Mixpanel is an event analytics platform for builders who need answers from their data at their fingertips—no SQL required. When everyone in the organization can see and learn from the impact of their work on product, marketing, and company revenue metrics, they are poised to make better decisions. Over 9,000 paid customers, including companies like Netflix, Pinterest, Sweetgreen, and Samsara, use Mixpanel to understand their customers and measure progress. Our commitment is to provide the most comprehensive and reliable analytics platform accessible and trusted by all.

About the Role

Session Replay is one of Mixpanel’s fastest-growing product areas, giving our customers powerful visibility into user behavior by letting them watch how people actually interact with their products. Our team builds full stack experiences that help customers debug, optimize, and deeply understand user journeys, from capturing rage clicks and console errors to building heatmaps and cross-page replay stitching.

As a Full Stack Engineer on the Session Replay team, you’ll work across the stack to deliver high-impact, user-facing products. You’ll collaborate closely with teammates in engineering, product, design, and go-to-market to iterate quickly and push the boundaries of what’s possible in behavioral analytics. Our ideal candidate is someone excited to balance frontend polish with backend robustness, and who isn’t afraid of diving into ambiguity, exploring technical trade-offs, or owning a project end to end.

You’ll get to work in a fast-paced, product-led environment where your work directly impacts thousands of customers — and millions of users.

Responsibilities

At Mixpanel Engineering, Product, and Design (EPD) work closely in pods to define the product and experiences. You'll be collaborating closely with your EPD team to create a vision for delightful and intuitive UX, then work to deliver the most impactful features for our customers. You'll be owning key pieces of the product, maintaining them, and always advocating for improvements to make the user experience even better, adding to our growing shared components library and expanding our design system. You’ll be working on our web app, which is built in Python, running Django, with an open source JavaScript framework running the front end. Everything is run on Google Cloud Platform, using Kubernetes and Docker for orchestration and containerization of our services.

A typical project requires working across our stack, creating endpoints for your feature as well as developing and deploying the UI. Here are some projects we've worked on in the past to give you an idea of what to expect:

• Public Metrics Sharing: Developed a feature allowing customers to share their metrics publicly, addressing a customer pain point for easy data sharing on social media or with executive leadership. This involved ensuring security to prevent unintentional data leaks while enabling easier collaboration.
• Events (formerly Live View) Rebuild: Rebuilt our Live View from the ground up and rebranded it to Events. The goal was to improve users’ trust and make debugging their data and query results easier. This involved removing limitations, improving key workflows, and tightening the UX. We also simplified the back-end and front-end architecture for better performance and maintainability, resulting in a more powerful tool for users and a simpler codebase for developers.
• Dashboards UI Revamp: Revamped our dashboards UI to improve the workflow for creating and saving analyses. This also clarified our data model and incorporated learnings from customer usage patterns to further smooth workflows and set the stage for future improvements.

Salary

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Location Type

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Employment Type

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