COMPANY

At 0x, our mission is to "Create a Tokenized World Where All Forms of Value Can Flow Freely". We deliver this to web3 builders with a delightfully simple suite of developer APIs that provide faster trading, better prices, and superior user experience.

Founded in 2017, we’ve processed over 78M+ transactions and $140B+ in trading volume from users trading on Matcha, Coinbase Wallet, Robinhood Wallet, Phantom, Rainbow, DefiLlama, MetaMask, Zerion, Zapper, and many more. Our investors include Greylock Partners, Pantera Capital, and Jump Crypto.

When you join 0x, you’ll become part of a veteran team of crypto builders who know the importance of code quality, team cohesion, and a culture of learning.

Matcha is a DEX aggregator, built by 0x. With over 5 million tokens indexed across 9 blockchains, the decentralized exchange provides aggregated liquidity from +100 sources and the most efficient trade execution through smart routing. Matcha offers swaps, limit orders and cross chain trades, having enabled over $62B volume and 3.5M+ trades as the first consumer-facing product by the 0x team.

0x platform is developers' one-stop shop to build financial products on crypto rails. 0x empowers hundreds of teams and developers with essential web3 tools to enable faster trading, better prices and superior UX. Our suite of APIs has processed over 60M+ million transactions and $133B+ in volume from more than 6 million users trading on apps like Coinbase Wallet, Robinhood Wallet, Metamask, Zerion, Zapper, and more.

The Role

As a Senior Full Stack Engineer on the Matcha team you will own user‑facing features end‑to‑end from requirements gathering and design reviews to shipping, telemetry, and iteration. You’ll live mostly in the frontend but aren’t afraid to jump into backend code or work with smart contracts when it unlocks a better experience. You’ll dig into product analytics, using data to guide decisions with our product and design partners to continuously improve Matcha.

Responsibilities - What you’ll do

• Craft delightful experiences – build, test, and deploy performant React/Next.js UI that makes complex DeFi interactions feel magical.

• Ship autonomously – take ownership of features and iterate quickly with design, product, and data partners.

• Push the frontier – Keep abreast of the nascent and rapidly evolving blockchain space, and introduce innovative tools and products

• Elevate the team – mentor peers, review PRs, and shape our engineering culture of intellectual honesty and long‑term thinking.

Tech you’ll touch

• TypeScript, React, Next.js (Vercel)

• Node.js

• wagmi, viem, @solana/web3

• AWS, GraphQL, REST, Sentry, Grafana, Amplitude

Requirements - Who you are

• 5+ years building production web apps; you’ve worn the "Senior" badge.

• Fluency in TypeScript and modern React patterns.

• Strong command of HTML/CSS and browser performance fundamentals.

• Proven experience designing and consuming APIs (REST or GraphQL).

• Hands‑on with Web3 tooling (wagmi, viem, ethers.js) or deep interest and the capacity to ramp fast.

• Passion for the benefits of decentralization and the 0x mission

• You embody our core values: do the right thing, consistently ship, and focus on long-term impact

• Time‑zone overlap with US Pacific ± 4 hours.

• Bachelor's or equivalent experience

Bonus points

• DeFi power‑user or contributor.

• Familiarity with Amplitude, Fullstory, or similar analytics suites.

• Observability chops with AWS, Grafana, Sentry.

• Solidity, EVM, or Solana experience.

Benefits

• The base salary range for this position is $95,000 - $230,000 + equity + ZRX tokens + benefits. Within the range, individual pay is determined by job-related skills, experience, location, business needs, and candidate preferences between the different compensation elements.

• Comprehensive insurance (medical/dental/vision/life/disability) for U.S.-based employees — 100% of base plan covered for you and dependents

• 401k and FSA for U.S.-based employees

• Monthly mobile phone bill, wellness, and pre-tax transportation expense

• Covered mental health benefits (included professional therapy sessions)

• A supportive remote environment

• Lunch reimbursement for all employees across the globe!

• Stipend for your ideal remote / WFH set-up: headphones, and any other work gear you may need

• 12-week paid parental leave

• Great office conveniently located in the SF Financial District for those in the region!

• Flexible vacation: Take time when you need it (and we really mean it!)

• Multiple annual in-person team meet-ups around the globe

0x and its associated entities are dedicated to fostering diversity, inclusion, and belonging in its teams and workforce, and are proud to be equal opportunity employers. 0x does not make employment or hiring decisions on the basis of race, color, creed, religion, sex (including those who are pregnant or have given birth), sexual orientation, gender, gender expression or identity, age, disability, medical condition, genetic information, military or veteran status, marital status, pregnancy, citizenship, national origin, immigration or citizenship status, political affiliation, or any other basis that is protected by applicable local, state, or federal laws. This includes not making such decisions based on the status itself, as well as any associations, perceptions, and assumptions made regarding these statuses. 0x will also consider qualified applicants with arrest and conviction records in a way that is consistent with San Francisco’s Fair Chance Ordinance and similar local laws. Our commitment to equal employment opportunity extends to ensuring that all applicants and employees can perform to their fullest potential, including through obtaining reasonable accommodations when necessary.