Senior Software Engineer, RFQ

COMPANY

At 0x, our mission is to eliminate the complexity of accessing tokens and liquidity. 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 60M+ million transactions and $130B+ 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.

The Role

RFQ delivers elite pricing to end users by allowing Market Makers to provide liquidity in real time. By integrating RFQ directly into 0x’s pricing stack, we offer lower latencies and better gas efficiency to our users.

As a member of 0x’s RFQ team, you will be focused on scaling our systems to ingest price updates from market makers at rapid speeds, while serving traffic that can handle many thousands of requests per second. You will also be focused on improving the market maker experience of providing liquidity on 0x RFQ, which requires a strong customer focus.

As a Software Engineer on the RFQ Team, you will:

• Design high performance systems for ingesting price updates across dozens of market makers across multiple blockchains

• Scale our architectures to handle thousands of requests per second

• Build self healing software in order to vastly reduce manual intervention when things go wrong

• Work with our PMs to design improvements to the Market Maker experience such that we can continue to onboard the world’s best Market Makers

• Live and breathe performance, reliability and making lives better for customers

0x BACKEND TECH STACK

The RFQ team’s tech stack is mostly Redis, TypeScript, Rust, and Solidity.

• Languages: TypeScript, Rust, and a smidgen of Solidity (Foundry stack)

• Redis

• Kubernetes

• Grafana/Prometheus

RESPONSIBILITIES

• Own entire features from specification to shipping

• Stay up to date with the nascent and rapidly evolving blockchain space. Developers at 0x frequently learn about and utilize new projects/EIPs to offer better UX, security, prices, and performance

• Collaborate cross-functionally with other teams, including engineering (internal and external), design, research, data science, product management, executive leadership, and recruiting

• Be a steward and influencer of our engineering culture: focusing on simplicity, maintainability, and performance

REQUIREMENTS

• 5 years+ of Engineering Experience

• 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

• Experience with Redis, TypeScript, Rust or similar languages

• Excellent verbal communication and presentation skills

• Previous exposure to Web3/ Blockchain Applications

• Passion for the benefits of decentralization and the 0x mission: Eliminate the Complexity of Accessing Token and Liquidity

• Americas time zone

• Exhibit our core values: Do the Right Thing, Consistently Ship, and Create Enduring Value

• Bachelor's degree or equivalent experience

PREFERRED

• Familiarity with API security & DevOps

• Trading and financial market experience

• EVM experience preferred but not required. Most of the pricing team joined 0x without prior EVM experience

• Production Rust experience

• High Degen Score

 BENEFITS

• The base salary range for this position is USD $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) — 100% covered for you and dependents

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

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

• Covered mental health bene