React Jobs in Web3

Overview

CoinTracker 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. Learn more about our mission, culture, and hiring process.

Some things we’re proud of

• 🛠️ Building foundational tools in the cryptocurrency space

• 📄 Over 1M tax forms generated

• 💲 $80B+ in cryptocurrency is tracked on CoinTracker (~over 5% of the entire crypto market)

• 🤝 Partnered with Coinbase, H&R Block, Intuit TurboTax, MetaMask, OpenSea, Phantom, Solana, and Uniswap

• 🗺️ Founders: Jon previously built TextNow (200M downloads), Chandan was previously a product manager at Google & Google[x]

• 💼 $100M+ venture capital raised from Accel, General Catalyst, Y Combinator, Initialized Capital, Coinbase Ventures, Kraken Ventures, Intuit Ventures, 776 Ventures, Balaji Srinivasan, Claire Hughes Johnson, Gokul Rajaram, Serena Williams, Zach Perret

• 🌴 Awesome benefits

Your mission

Join our close-knit, early-stage distributed team, where we tackle complex technical challenges and build transformative crypto products that give people peace of mind. As a Staff Backend Engineer, you will play a critical role in shaping our backend architecture, scaling our systems, and driving high-impact engineering and product initiatives. You'll work cross-functionally to influence technical direction and mentor engineers, helping us build a world-class engineering team.

This role is for our new Enterprise product - this is a 0-1 initiative with a small, focused team. We’ve already signed initial customers and are seeing strong early traction. You’ll help define core features, lay the technical foundation, and collaborate closely with leadership. It’s a pivotal moment for CoinTracker as we expand from a single-product company to a multi-product platform - and you’ll play a central role in our next chapter.

What you will do

• Architect backend systems, including to serve as the foundation of a new 0-1 product.

• Lead and drive critical technical projects, making high-impact decisions that shape the product and ensure long-term maintainability and performance.

• Collaborate cross-functionally with Product, Design, and other teams to align technical execution with early-stage product goals and customer feedback.

• Mentor and guide engineers, fostering technical excellence and best practices across the team.

• Continuously improve system performance, observability, and maintainability to support rapid iteration.

• Take ownership in a fast-moving, ambiguous environment, balancing speed with technical rigor in service of early customer needs.

What we look for

Role-agnostic

• 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

Role-specific

• 8+ years of backend engineering experience

• Strong CS fundamentals, including algorithms, data structures, system design, and performance optimization.

• Proven experience building and scaling products through rapid growth phases.

• Track record of technical leadership, leading complex projects, mentoring engineers, and setting engineering standards.

• Experience with large-scale data ingestion and processing systems.

• Drawn to an early-stage, high-growth startup environment.

• Fluent in Python

• [Bonus] Experience in crypto or financial systems.

Sample projects you might work on

• Build a smart trade insights platform that recommends trades across exchanges, factoring in transaction history, tax lots, fee detection, arbitrage opportunities, and slippage

• Integrate the latest country-specific tax regulations to deliver accurate, compliant tax reports for users

Our engineering process includes

• Code reviews

• Continuous integration

• Multiple daily automated deployments to production

• Automated testing with >85% code coverage

Our tech stack is

• Web: HTML, Typescript, React, React Native, Styled-Components

• Mobile: React Native, Expo, GraphQL

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

• Infrastructure: GCP, Terraform, PostgreSQL, Docker, Pub/Sub, 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 $210,000 - $240,000. 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.