<h2>Overview</h2><a target="_blank" href="https://www.cointracker.io/">CoinTracker</a> makes cryptocurrency portfolio tracking and tax compliance simple. CoinTracker enables consumers and businesses to seamlessly track their cryptocurrency portfolio, investment performance, taxes, and more. We are a globally distributed team on a mission to enable everyone in the world to use crypto with peace of mind. <a target="_blank" href="https://www.notion.so/cointracker/CoinTracker-is-Hiring-7308c712493940a3b6e62257d283dad8">Learn more</a> about our mission, culture, and hiring process.<h2> Some things we’re proud of</h2><ul><li>🛠️ Building foundational tools in the cryptocurrency space</li><li>📄 Over 1M tax forms generated</li><li>💲 $250B+ in cryptocurrency is tracked on CoinTracker (~over 5% of the entire crypto market)</li><li>🤝 Partnered with Coinbase, H&amp;R Block, Intuit TurboTax, MetaMask, OpenSea, Phantom, Solana, and Uniswap</li><li>🗺️ Founders: <a target="_blank" href="https://www.linkedin.com/in/jonlerner/">Jon</a> previously built TextNow (200M downloads), <a target="_blank" href="https://www.linkedin.com/in/clodha/">Chandan</a> was previously a product manager at Google &amp; Google[x]</li><li>💼 $100M+ venture capital raised from Accel, General Catalyst, Y Combinator, Initialized Capital, Coinbase Ventures, Kraken Ventures, Intuit Ventures, 776 Ventures, <a target="_blank" href="https://twitter.com/balajis">Balaji Srinivasan</a>, <a target="_blank" href="https://twitter.com/chughesjohnson">Claire Hughes Johnson</a>, <a target="_blank" href="https://twitter.com/gokulr">Gokul Rajaram</a>, <a target="_blank" href="https://twitter.com/serenawilliams">Serena Williams</a>, <a target="_blank" href="https://twitter.com/zachperret">Zach Perret</a></li><li>🌴 Awesome <a target="_blank" href="https://www.notion.so/cointracker/Benefits-b5db95c6d3224ab1ae3a384048cbaee3">benefits</a></li></ul><h2>Your mission</h2>Join our close-knit, early-stage distributed team, where we tackle exciting technical challenges and create transformative crypto products that give people peace of mind. As one of the engineers, youll play a key role in scaling our backend systems and take direct ownership of high-impact product and engineering goals. <h2>What you will do</h2><ul><li>Build new features, products, integrations, and back-end services</li><li>Design scalable systems to support millions of users</li><li>Own and deliver top-level product and engineering objectives</li><li>Collaborate with team members across the company</li></ul><h2>What we look for</h2><h3>Role-agnostic</h3><ul><li>Impact: Demonstrated ability to drive business impact</li><li>Mission alignment: Hungry and motivated about making progress towards our mission of Enabling everyone in the world to use crypto with peace of mind.</li><li>Trust: Say what you believe. Do what you say.</li><li>Communication: Able to clearly talk about the details and also zoom out to the bigger picture</li></ul><h3>Role-specific</h3><ul><li>Strong backend engineer with 5+ years of professional experience (excluding internships), including 3+ years hands-on in the data engineering space. Skilled in Python (with strong coding &amp; algorithmic skills), SQL. Familiar with Temporal (our workflow orchestrator) or similar systems.</li><li>Knowledge of ETL/ELT and data warehousing concepts, understanding of stream/batch hybrids, CDC patterns and modern data orchestration. Familiarity with modern table formats such as Iceberg, Delta Lake, Apache Hudi etc . Understanding of big data frameworks (Spark, Flink, Beam etc) is a plus. Knowledge of Snowflake and GCP strongly preferred but ok if you are familiar with similar technologies.</li><li>Serve as a data engineering SME within the team: introduce best practices, review designs, and raise the technical bar.</li><li>Proven experience designing and scaling distributed production systems ideally in high-growth or startup environments. Experience working in crypto is a plus.</li></ul>Comfortable working remotely, with the ability to overlap with core hours (9 AM – 12 PM PT / 12 – 3 PM ET).<h2>Sample projects you might work on</h2><ul><li>Scale our data ingestion platform to handle millions of blockchain and exchange transactions efficiently via different data sources. Introduce new data modeling and lakehouse strategies to support real-time and batch use cases.</li><li>Build and optimize Temporal-based workflows to orchestrate ingestion, transformation, and persistence at scale.</li></ul><h2>Our engineering process includes</h2><ul><li>Code reviews</li><li>Continuous integration</li><li>Multiple daily automated deployments to production</li><li>Automated testing with &gt;85% code coverage</li></ul><h2>Some of the technical challenges we face are</h2><ul><li>Lots of data — billions of data points to track transactions and market pair prices</li><li>Data structures &amp; algorithms — automated transfer detection, cost basis tracking, tax optimization, and more. Your CS fundamentals finally come in handy!</li><li>Scalability — some cryptocurrency users, such as algorithmic traders, accumulate millions of transactions per year. CoinTracker needs to work seamlessly for those power crypto traders.</li><li>Blockchain — whether its running our own nodes, implementing xPub address generation and traversal, or parsing smart contracts to seamlessly support decentralized trading, we get our hands dirty with core blockchain technology</li><li>Technical complexity — integrating with hundreds of exchanges and blockchains and supporting thousands of cryptocurrencies means we have to methodically architect our software and build critical monitoring systems to deliver a robust and accurate platform</li><li>Product challenges — building a consumer finance product that works flawlessly for our global user base and through our partner integrations with top crypto exchanges, marketplaces, and tax-filing software</li></ul><h2>Our tech stack is</h2><ul><li>Web: HTML, Typescript, React, React Native, Styled-Components</li><li>Mobile: React Native, Expo, GraphQL</li><li>Backend: Python, Flask, GraphQL, Postgres, BigTable, Redis, Python RQ, Temporal</li><li>Infrastructure: GCP, Terraform, PostgreSQL, Docker, Pub/Sub, Datadog, PagerDuty</li><li>You don’t need to know any or all of these, but be willing to learn!</li></ul>The starting salary for this position is between $175,000 - $210,000 USD. Candidates location does not impact the posted salary range. The actual compensation offered will be based on a variety of job-related 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.