Mixpanel
Senior Software Engineer, Experimentation
San Francisco, US (Hybrid) · Senior
Sponsorship not specifiedDetected 15 hours ago
TypeScriptPythonReactDjangoBackend DevelopmentFull-Stack DevelopmentCode ReviewData AnalysisLLMsAgentic AIA/B TestingCommunicationCollaborationMentoring
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odds of building a lasting career here
37Risky
Cap-exempt (no lottery)0
Sponsors this role80
Entry-level history0
PERM / green-card track0
Lottery odds40
Fits your clock70
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About the role
- You'll work across the full stack, from React frontend experiences to Python backend services to high-throughput systems like flag evaluation and replay ingestion.
- This is a high-impact role on a small, senior team where you'll have significant influence over the technical direction of products that are central to Mixpanel's growth.
- Our vision is to make Mixpanel the one place where product teams roll out a change, measure its impact, see how real users experience it, and decide what to do next, all on the same event data they already trust.
Responsibilities
- Own technical design for complex features end to end, from backend services and data models to frontend experiences
- Make well-reasoned technical decisions that balance speed, quality, cost, and product considerations, anticipating problems and developing contingency plans
- Collaborate with Product Platform and other teams on SDKs, shared infrastructure, and architectural decisions that affect the broader platform
- Mentor engineers on the team through code reviews, pairing, and 1:1 support, helping them grow technically
- Work with Support and Solutions Engineering on customer escalations and technical questions from prospects
- Partner with Product and Design to identify and lead areas of future work beyond the current roadmap
- We tackle decisions with rigor and judgment - combining data, experience and collective wisdom to drive powerful outcomes.
- Innovate with Insight: We tackle decisions with rigor and judgment - combining data, experience and collective wisdom to drive powerful 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.
Requirements
- Bachelor's degree in Computer Science, Mathematics, a related field, or equivalent practical experience
- 5+ years of professional software engineering experience with a proven track record of delivering quality solutions with speed
Skills
- A track record of mentoring other engineers and contributing to team growth
- Strong technical communication, ideally with experience collaborating in an asynchronous remote environment
- React / TypeScript experience
- Django / Python experience
- Experience with experimentation, feature flagging, or session replay products, as a builder or a heavy user
- Experience building high-throughput, low-latency services
- Familiarity with analytics or observability platforms
- Comfort using AI coding tools (Claude Code, Cursor, etc.) in your daily work
- Engineering Life Page
- Engineering Blog
- you work effectively with other teams and organizational stakeholders with little guidance
Benefits
- Comprehensive Medical, Vision, and Dental Care
- Mental Wellness Benefit
- Generous Vacation Policy & Additional Company Holidays
- Enhanced Parental Leave
- Volunteer Time Off
- Pre-Tax Benefits including 401(K), Wellness Benefit, Holiday Break
- please note that benefits and perks for contract positions will vary*
- 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.
Company info
- Our team owns the products that help teams test, ship, and observe what they build: Experiments, Feature Flags, Session Replay, and Heatmaps.
- These products are one of Mixpanel's most promising paths to growth.
- They extend Mixpanel from understanding what users do to acting on it, and they're a big part of how our customers grow with us.
- They also matter more in the AI era, not less.
- Teams are shipping faster than ever, and they need tools that tell them, just as fast, whether what they shipped is working.
- What we own:
- Experiments:
- Controlled experiments that run on the same behavioral data customers already analyze in Mixpanel, with results teams can trust when they decide what to ship
- Feature Flags:
- Safe, gradual rollouts targeted by real user behavior, powered by a high-throughput evaluation service that runs in the critical path of our customers' products
- Session Replay and Heatmaps:
- A view of how real people experience a product across web and mobile, so teams can see the why behind the numbers
- Feature Flags: Safe, gradual rollouts targeted by real user behavior, powered by a high-throughput evaluation service that runs in the critical path of our customers' products
Equal opportunity
- equal opportunity employer supporting workforce diversity.
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This listing is sourced directly from Mixpanel's careers page and normalized into a canonical job model.