Senior Software Engineer, Query Engine Performance


San Francisco, CA, USA Remote

Full time

$217.8-326.1k (annually)



May 21

About Mixpanel

Mixpanel is a leading product analytics software company, currently helping the world answer 81 million product questions every year. Our pioneering event-based tracking solution gives product teams the ability to gain insights into how to best acquire, convert, and retain their users across web and mobile platforms.

Powerful, flexible, and easy-to-use, Mixpanel enables teams to learn from their user data and innovate rapidly in creating winning products. Today, we serve nearly 7,000 paying customers through seven offices globally in our quest to provide the most in-depth product analytics that everyone can use and trust.

About The Role

Mixpanel enables fast self-serve product analytics which in turn helps transform how teams make product decisions. We want to disrupt user event steam analytics. Mixpanel is powered by a custom multi-tenant, distributed, columnar database system that scans quadrillions of user-generated events every month to serve these analytical queries. Speed is a core value prop of Mixpanel that allows to do analytics at interactive speeds. We are trying to innovate and differentiate when it comes to performance and not just make incremental tweaks. We have lofty goals for the next 2 years and you will have the opportunity/responsibility of shaping the vision and roadmap.

What You'll Do At Mixpanel

As a Senior Software Engineer, Performance, you will join the Query Engine Team to reliably evolve our columnar analytics database engine as we add more and more users to our multi-tenant system and ingest and query petabytes of data.

You'll Be Responsible For

  • Doing performance analysis and implementing better indexing strategies, data partitioning, compression and statistic collection.
  • Develop tools to profile performance at runtime e.g. perf, eBPF, kernel tracking, flame graphs.
  • Implementing best-in-class cloud serving building blocks such as dynamic resource allocation, load-balancing, auto-scaling and more.
  • Ensuring reliability and uptime of the services you're responsible for

We're Looking For Someone Who Has

  • A knack for problem-solving and thinking from first principles. You don't shy away from any problem, no matter the scale or impact
  • Experience in performance optimization of cloud based big data systems
  • Strong troubleshooting skills and hands on knowledge of linux profiling/debugging tools
  • Familiarity with multi-threading, CPU/GPU synchronization


The total target cash compensation (TTCC) for this full-time position would fall within the bands below. This amount 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 below, 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.

Senior Software Engineer, IC4 $217,800 - $266,200

Staff Software Engineer, IC5 $266,850 - $326,150

Leveling is determined by factors such as years of relevant work experience, level of responsibility, and knowledge required to be successful in the role.

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.

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 the leader in product analytics and have raised $277M from prominent investors like Andreessen-Horowitz, Sequoia, YC, and Bain Capital. Over the years, we’ve seen a spike in our leading indicators—signups and weekly active users—which have directly translated to revenue growth. Recently, we secured a $200M Series C growth investment from Bain Capital to accelerate our product development, expand our reach to customers, and more. Our award-winning teams make our continued growth possible by finding creative solutions to ever-changing challenges with scaling, reliability, design, and service. Today, we’re the only company single-mindedly focused on enabling the world’s most innovative companies to use data to uncover insights about their customers to build better products.

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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