Senior Software Engineer - API, Matcha

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.

MATCHA API TECH STACK

We care far more that someone has solid fundamentals, is generally intelligent, has strong learning agility, and is an overall good human. That said, we’re excited about the rapidly evolving tech we’re building on. It includes:

• TypeScript Node/Express

• Rust

• AWS Cloud Services (Kubernetes, Kafka, Postgress, Redis, OpenSearch, etc)

• Grafana LGTM Observability Stack

• Next.js

Responsibilities - Your Mission

• Be an individual contributor on projects as well as lead technical projects of moderate to high complexity

• Offer valuable insights as a peer when reviewing designs and performing code reviews

• Create high quality, secure, clean code

• Improve the way we build and deliver software

• Consistently ship

• Coach and mentor other engineers and generally up-level the team

• Empathize with our customers and users

Requirements - Who you are

• A software engineer with 7+ years of experience solving complex distributed computing problems

• A generalist who can design and build a system from the ground up which could include:

  • Relational or Key Value Data stores

  • Distributed Event driven architectures

  • Cloud based deployment, preferably AWS

  • external facing REST/HTTP APIs

  • Monitoring dashboards, preferably Grafana

• Have lead small to medium sized projects as a tech lead with 2-4 other engineers

• Can take big problems, research the current state of the art, and apply technology appropriately knowing how to take proper tradeoffs

• Are driven by shipping code of high quality with a focus on providing maximum user and business value

• Has been part of teams that maintain, business critical, high volume, customer facing applications. Preferably SaaS or API Platforms

• Up to date on emerging trends in modern backend technology solutions (databases, queues, caching, etc.)

• Has a passion for DeFi and how it can improve peoples lives

PREFERRED

• Has experience working with search engines like ElasticSearch or OpenSearch

• Has a solid understanding of blockchains (Specifically EVM chains)

• Experience working with JSON-RPC APIs to interact with blockchain nodes for tasks like querying blockchain data, sending transactions, or monitoring events

• Experience with Web3 libraries (e.g., Web3.js, ethers.js, viem) to build and test blockchain integrations

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 in