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Senior Software Engineer, Session Replay

San Francisco, US (Remote)

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.

A way for customers to share their metrics publicly, a pain point for customers who want to easily share their data on social media or with executive leadership. This feature required keeping an eye on security so unintentional data would not be leaked for customers, but would enable easier collaboration.

We rebuilt our Live View from the ground up and rebranded to Events. Our goal was to improve users’ trust and make debugging their data and query results easier. With these goals in mind, we removed a number of limitations from Live View, improved key work flows, and tightened the UX. We also drastically simplified both the back-end and front-end architecture resulting in a more performant and maintainable product. The end result is a more powerful tool for our users and a simpler codebase for our developers.

We revamped our dashboards UI to improve the workflow for creating and saving analyses that also had the nice side effect of making our data model clearer. This required us to iterate and polish while learning more about how customers used and worked around our product in their day to day. We applied these learnings to smooth our workflows even more while continuing to set the stage for more series of improvements.

We redesigned our query builder to allow users to instantly see the results of their changes on one screen. This was required balancing competing requirements of visual space for the query builder and the ability to see two things at once, resulting in a more intuitive UX.

We made segmentation faster allowing users to customize what they can compare at the query time vs deciding everything they will ever need at the time they develop your product.

What You’ll Do

  • Build and ship customer-facing web application features for Session Replay and related experiences
  • Design and implement performant APIs, backend services, and intuitive frontend components
  • Collaborate with Product, Design, and GTM partners to define and deliver high-quality solutions
  • Lead projects from idea through launch, including monitoring and follow-up
  • Drive business impact while maintaining technical excellence
  • Navigate trade-offs between product scope, speed, performance, and maintainability
  • (Bonus) Explore and learn about application deployment, observability, and production readiness

What We’re Looking For Someone Who Has

  • Strong full stack engineering experience (e.g., JavaScript, CSS, Python, Golang)
  • Proven ability to own problems end-to-end and ship customer value
  • Comfortable working across the stack — from backend services to polished frontend UIs
  • Bonus: Experience with or interest in browser SDKs or web instrumentation
  • Bonus: Curiosity around DevOps, deployment, and production engineering

Additional Resources 

#LI-Remote

Compensation

The amount listed below is the total target cash compensation (TTCC) and includes base compensation and variable compensation in the form of either a company bonus or commissions. Variable compensation type is determined by your role and level. In addition to the cash compensation provided, this position is also eligible for equity consideration and other benefits including medical, vision, and dental insurance coverage. You can view our benefits offerings here.

Our salary ranges are determined by role and level and are benchmarked to the SF Bay Area Technology data cut released by Radford, a global compensation database. The range displayed represents the minimum and maximum TTCC for new hire salaries for the position across all of our US locations. To stay on top of market conditions, we refresh our salary ranges twice a year so these ranges may change in the future. Within the range, individual pay is determined by experience, job-related skills, qualifications, and other factors. If you have questions about the specific range, your recruiter can share this information.

Mixpanel Compensation Range

$229,500 - $280,500 USD

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

  • Be Open: When knowledge becomes open, we can come together as a team to collaborate around a shared purpose
  • Customer Focus: Our customers’ success is our success
  • Lead Change: Everyone at Mixpanel has the capacity to make an impact on the business
  • Results Oriented: Driving results in a measurable way ensures we stay focused on the highest impact initiatives
  • One Team: We can’t win without each other

Why choose Mixpanel?

We’re a leader in analytics with over 9,000 customers and $277M raised from prominent investors: like Andreessen-Horowitz, Sequoia, YC, and, most recently, Bain Capital. Mixpanel’s 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 you’ll be helping the world’s 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 matter—our people, our customers, our partners—out 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. We’ve immersed ourselves in our Culture and Values as our guiding principles for the impact we want to have and the future we are building.

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