Page 2. Remote Web3 Security Jobs

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.

ROLEWe are looking for a Senior Software Engineer for our Solana and EVM DEX aggregation teams, backend-focused, who have a passion for building DeFi solutions. Our DEX aggregator engineering teams are focused on building the best AMM routers to find the best price at the lowest latency and highest execution quality. You have a high degree of integrity, learn and adapt quickly, and seek to make a positive impact on the lives of those who use the systems you build. We hire engineers that have solid fundamentals, have strong learning agility, are interested in tackling hard problems and are nice people.

0x Developer Platform Tech Stack

• Rust 🦀 - Most of our backend, critical systems are built with Rust

• TypeScript/Node - Our APIs and some middleware are built using TS/Node

• Linux

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

• Grafana LGTM Observability Stack

• GitHub

• We embrace AI as a tool to be better more productive software engineers

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

• Design, build and maintain systems like:

  • Blockchain event streaming and indexing services

  • Leading edge DEX routing algorithms and models

  • AMM liquidity intelligence services

• Create high quality, secure, clean code

• Launch new features on a regular basis

• Improve the way we build and deliver software

• 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

• 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 system where performance, scalability, and reliability matter

• Up to date on emerging threats and trends in application security

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

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

Preferred

• You have a solid understanding of blockchains (Specifically EVM chains and/or Solana)

• 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., Alloy, Web3.js, ethers.js, ether-rs, viem) to build and test blockchain integrations

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) 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!)

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.

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