Senior Product Engineer

You’ll join our tightknit, earlystage team, where you’ll solve interesting technical challenges and shape the direction of the product. We’re at a pivotal moment as a company as we scale our existing products and explore new verticals. As an early engineer on the team, you’ll work across the stack and collaborate closely with crossfunctional stakeholders to own key product and engineering initiatives.

What you will do

• Collaborate across Product, Design, and Engineering to shape roadmap priorities, define great user experiences, and drive product direction

• Work fullstack to own features endtoend from early exploration and prototyping to implementation, launch, and ongoing iteration

• Build scalable, highquality systems while solving complex technical challenges in performance, architecture, and reliability

• Continuously improve our codebase, infrastructure, and development practices balancing speed with quality through welltested code and thoughtful tradeoffs

• Contribute to technical leadership by driving architectural decisions, shaping engineering standards, and helping grow the team through interviewing and improving the hiring process

• What we look for

  Roleagnostic

  • Impact: Demonstrated ability to drive business impact

  • Mission alignment: Hungry and motivated about making progress towards our mission of Enabling everyone in the world to use crypto with peace of mind.

  • Trust: Say what you believe. Do what you say.

  • Communication: Able to clearly talk about the details and also zoom out to the bigger picture

  • Rolespecific

    • 5+ years of software development experience as an IC.

    • Have strong CS fundamentals, including algorithms, data structures, system design, and distributed systems.

    • Write highquality code, value software testing, and uphold best practices in engineering, security, and design.

    • Have a startup mindset: you’re resourceful, adaptable, and not afraid of ambiguity.

    • Enjoy learning new tools, technologies, and methodologies to stay at the cutting edge.

    • Able to work effectively in a remote setting and able to overlap with our core hours of 9 AM to 12 PM PT.

    • [Bonus] Prior experience building 0 → 1 products and engineering systems.

    • You may enjoy this role if you

      • Love building great products and engineering systems

      • Have strong CS fundamentals, including algorithms, data structures, system design, and distributed systems

      • Write highquality code, value software testing, and uphold best practices in engineering, security, and design

      • Thrive working autonomously and collaboratively

      • Sample projects you might work on

        • Build a DeFi intelligence product that informs users where to make the most return for staking their crypto

        • Create the best crypto accounting product

        • Implement taxloss harvesting to reduce capital gains taxes for cryptocurrency users

        • Some of the challenges we’re tackling

          • Scale and performance — processing billions of data points and supporting users with millions of transactions efficiently

          • Complex logic — building systems for transfer detection, cost basis tracking, and tax optimization using solid algorithmic foundations

          • Blockchain integration — working with raw blockchain data, xPubs, smart contracts, and running our own nodes to support a wide range of assets and protocols

          • System complexity — integrating with hundreds of exchanges and wallets while maintaining accuracy, reliability, and observability

          • Product discovery — identifying user needs, exploring use cases, and iterating quickly to find productmarket fit and deliver real value

          • Our tech stack is

            • Web: HTML, Typescript, React, React Native, TailwindCSS

            • Mobile: React Native, Expo, GraphQL

            • Backend: Python, Flask, GraphQL, Postgres, Redis, Python RQ, Temporal

            • Infrastructure: GCP, Terraform, PostgreSQL, Docker, PubSub, Datadog, PagerDuty

            • You don’t need to know any or all of these, but be willing to learn!

            • The starting salary for this position is between $175,000 $210,000. The actual compensation offered will be based on a variety of jobrelated factors including relevant skills, education, and experience. This position also includes equity in CoinTracker and benefits like medical, dental, vision, 401(k), life insurance, and PTO.