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Senior Backend Engineer

Role overview

Qualifications

  • Bachelor’s degree or U.S. equivalent in Computer Science, Cybersecurity, Computer Engineering, or a related field plus 5 years of professional experience designing, developing, and securing blockchain-based backend systems
  • 3 years of professional experience developing backend systems utilizing backend programming languages (including Go or Rust)
  • 3 years of professional experience working with blockchain protocols
  • 1 year of experience working with WebAssembly, including writing high performant and high security code in production environments

Responsibilities

  • Work on the core infrastructure powering Arbitrum, the leading Ethereum scaling solution
  • Collaborate closely with research, product, and blockchain engineering teams
  • Provide ongoing technical support and engineering guidance to clients and internal stakeholders
  • Conduct peer code reviews for engineering contributions to ensure code quality and adherence to software engineering best practices

Key facts

  • Remote from: United States
  • Full time
  • Senior (5-10 years)
  • Backend Engineer
  • English

Hard skills

Other skills

  • Collaboration
  • Problem Solving

About the company

Offchain Labs logo

Offchain Labs

Blockchain, Crypto & Web3

Offchain Labs is researching and developing scaling solutions for Ethereum smart contracts.Arbitrum One and Nova are powered by Nitro, our proprietary technology stack. Nitro’s next-generation rollup architecture provides 7x more throughput than Ethereum and lower fees without sacrificing any security. Prysm is an official Ethereum proof-of-stake client written in Go. Both individuals and institutions can use Prysm to participate in Ethereum's decentralized economy by running a node and earn rewards by running a validator to help secure the Ethereum blockchain.Upcoming Stylus will enable users to deploy programs written in popular programming languages like Rust, C, C++, and more, side-by-side with existing Solidity dApps on the same Arbitrum blockchain.

Company details

Company typeStartup
IndustryBlockchain, Crypto & Web3
Company size11 - 50

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Job description

At Offchain, we aren’t just building products: we’re leading a movement.    As pioneers in blockchain scalability and security, we're at the forefront of transforming how the world interacts with decentralized applications. We're laying the foundation that will define the next generation of digital commerce, governance, and human interaction. This involves tackling real-world challenges that come with scaling blockchain technology, without compromising on its core principles: decentralization, security and transparency.    At the center of this vision is our people. Our team is made up of thinkers and doers that embrace new challenges and seek solutions that push existing boundaries. If you’re energized by solving unprecedented problems, and believe in the role that decentralized systems will play in creating a more equitable digital future, then we want to hear from you.    Why Offchain?   Offchain is setting the pace for the entire Ethereum ecosystem. We built the Arbitrum stack that powers Arbitrum One, the most widely adopted Ethereum scaling solution that exists today.   Arbitrum’s ecosystem is undergoing tremendous growth with hundreds of projects and dApps on Arbitrum One today. Over 100 different teams have used Offchain technology to build their own Arbitrum chains. Major players in the space, Robinhood, BlackRock, Ethena Labs, Securitize, Aave, and Apechain are all using the Arbitrum stack.   Arbitrum’s thriving ecosystem wouldn’t exist without our advanced technology stack. Arbitrum, Prysm, ZeroDev. These aren’t just product names. These are tools that are actively reshaping what's possible on Ethereum and advancing its core infrastructure.   To top it all off? We’re backed by $124 million in funding. We’ve demonstrated consistent execution with billions in secured value, thousands of supported projects, and infrastructure processing millions of transactions seamlessly.
What You’ll Do:
  • Work on the core infrastructure powering Arbitrum, the leading Ethereum scaling solution (20%).
  • Tackle complex distributed systems challenges, optimize performance, and contribute to the security and scalability of Arbitrum (10%).
  • Collaborate closely with research, product, and blockchain engineering teams, working at the cutting edge of blockchain technology alongside world-class engineers, including many industry leaders (10%).
  • Provide ongoing technical support and engineering guidance to clients and internal stakeholders by diagnosing and resolving core platform engineering issues related to the company’s infrastructure and distributed systems (10%).
  • Maintain the Nitro Testnode product, a development tool used by users to run local Arbitrum nodes, including implementing enhancements, troubleshooting issues, and ensuring reliability and usability for developers (10%).
  • Conduct peer code reviews for engineering contributions to ensure code quality, architectural consistency, and adherence to software engineering best practices across the platform (15%).
  • Establish and evangelize backend architectural standards, selection of tech stacks, and engineering best practices (5%).
  • Design high-performance compiler pipelines and extensible SDK frameworks (10%).
  • Work in collaboration with Security to resolve complex security issues and identify potential threats and vulnerabilities in code in distributed systems environments (5%).
  • Drive the technical roadmap with the Product team for complex distributed systems and data modeling, overseeing the integration of multiple microservices, ensuring database scalability and integrity under high load, and designing "API-first" strategies that ensure longterm system interoperability (5%).
  •  
    What You’ll Need:
  • Bachelor’s degree or U.S. equivalent in Computer Science, Cybersecurity, Computer Engineering, or a related field
  • Plus 5 years of professional experience as a Software Engineer, Software Architect, or any occupation, job title, position designing, developing, and securing blockchain-based backend systems.
  • In lieu of a Bachelor's degree plus 5 years of experience, the employer will accept a Master's degree or U.S. equivalent in Computer Science, Cybersecurity, Computer Engineering, or a related field, plus 3 years of professional experience as a Software Engineer, Software Architect, or any occupation, job title, position designing, developing, and securing blockchain-based backend systems.
  • 3 years of professional experience developing backend systems utilizing backend programming languages (including Go or Rust)
  • 3 years working on protocols that span from L1s to L2s, including when the system is trying to reduce dependence on L1 smart contracts
  • 3 years of professional experience collaborating with research teams to conduct cutting-edge research in blockchain technologies and cryptocurrency platforms
  • 3 years of professional experience building distributed systems, focusing on reliable broadcast protocols, distributed data structures, and high-performance database storage engines
  • 3 years of professional experience working in collaboration with security and with coding in a security-focused mindset in distributed systems environments
  • 3 years of professional experience working with blockchain protocols
  • 1 year of experience working with WebAssembly, including writing high performant and high security code in production environments
  • 1 year of professional experience utilizing cloud infrastructure and containerization technologies (including AWS, Docker, and Kubernetes).
  • CONTACT: Please apply online at https://www.offchainlabs.com/careers


    Perks:
  • Remote-first global workforce + NY office
  • Professional reimbursement program (facilitates industry conference attendance, certifications, and more)
  • Medical, dental & vision coverage (US + some other countries)
  • 401k retirement plan + company match (US only)
  • Wellness stipend
  • Home office set up / ergonomic equipment program
  • Position is 100% remote; must reside in U.S.; reports to HQ in New York, NY. Salary: $193,461 - $291,000 per year.

    Attention Offchain Job Seekers:   This role cannot be performed in California, or Colorado.   Please be advised that there has been a rise in fraudulent recruiter activities, particularly within the Web3 space. If you would like to confirm whether someone is an Offchain employee or the legitimacy of an offer you received, please email jobs@offchainlabs.com   At Offchain, we are committed to building a welcoming and supportive workplace for all employees, regardless of their background or identity. We strive to create an environment where everyone feels valued and has an equal opportunity to succeed and thrive. We encourage candidates from all walks of life to apply and join our team.

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    MR

    Marcus Rivera

    Chief Revenue Officer

    m.rivera@company.com
    linkedin.com/in/marcusrivera
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