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Senior Software Engineer

Employment contract 95000.00 - 230000.00 USD / Year · Job Posted December 01, 2025
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Job Description

We are looking for a Senior Software Engineer for our Solana DEX aggregation teams, backend-focused, who have a passion for building DeFi solutions. Our DEX aggregator engineering teams aim to build the best AMM routers for optimal trading efficiency, latency, and execution quality. At 0x, the mission is to create a tokenized world where all forms of value can flow freely. The role emphasizes code quality, adaptability, and innovation.

Job Responsibility

  • 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, and 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

  • 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 led 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 systems 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 people’s lives
  • knowledge and passion for decentralized finance and the 0x mission
  • exhibit our core values: do the right thing, consistently ship, and focus on long-term impact
  • willingness to travel globally for two annual in-person team meetups - all travel expenses covered

Nice to have

You have a solid understanding of blockchains (Specifically Solana), including chain-specific nuances: transaction lifecycle, performance optimizations and MEV dynamics

What we offer

  • Base salary range of USD $95,000-$230,000
  • equity
  • ZRX tokens
  • 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
  • flexible vacation
  • great office conveniently located in the SF Financial District for those in the region
  • willingness for global travel for annual in-person team meetups

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