Offchain Labs - Senior Backend Engineer, ZeroDev (US/EU)
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Requirements
• Expertise in one or more backend languages, including TypeScript, Go, and Rust • Expertise in TypeScript for SDK development • Deep familiarity with Web3 concepts • Deep familiarity with Web3 tooling such as Viem • Experience working with smart contracts. You won’t be expected to develop new contracts, but it’s important that you can read and understand them. • Strong ability to communicate both via text and verbally.
Responsibilities
• Develop and maintain backend systems for the ZeroDev platform to ensure high performance, scalability, reliability, security, and compliance with industry standards. • Collaborate closely with frontend engineers, product managers, design teams, QA specialists, DevOps professionals, customer support representatives, business analysts, data scientists, AI researchers, machine learning experts to ensure a seamless user experience and alignment of backend capabilities with overall project goals. • Implement robust error handling mechanisms in the codebase that can gracefully handle unexpected situations without compromising system stability or security. This includes monitoring for potential vulnerabilities and proactively addressing them through regular audits, penetration testing, and adherence to best practices such as secure coding standards (OWASP Top 10), data encryption protocols, access control policies, etc. • Optimize code efficiency by identifying bottlenecks in the system architecture or algorithms that may impact performance under high load conditions; implement appropriate optimizations using profiling tools and benchmark testing to ensure optimal resource utilization while maintaining acceptable response times for end users. This includes analyzing query execution plans, caching strategies, database indexing techniques, etc., as well as leveraging distributed computing frameworks such as Apache Spark or Hadoop when necessary. • Design scalable microservices architecture that can handle increasing workloads without degradation in performance; implement containerization technologies like Docker and Kubernetes to facilitate deployment across multiple environments while ensuring consistent behavior between development, testing, staging, and production deployments using infrastructure as code tools such as Terraform or Ansible. • Implement continuous integration/continuous delivery (CI/CD) pipelines that automate the build process from source control repositories to end users; configure pipeline stages for unit tests, static analysis checks, security scans, performance benchmarks etc., using popular CI/CD tools such as Jenkins, Travis CI or GitLab Pipelines. • Collaborate with cross-functional teams including frontend engineers and product managers on user interface design decisions that impact backend functionality; provide feedback based on realistic usage scenarios to ensure the UI meets business requirements while maintaining a consistent look and feel across different platforms (web, mobile). This includes implementing responsive web design techniques using frameworks such as React or AngularJS. • Participate in code reviews with peers from within ZeroDev organization; provide constructive feedback on coding style, best practices adherence, potential security vulnerabilities etc.; suggest improvements to enhance overall quality and maintainability of the codebase while ensuring alignment with project goals and user expectations. This includes using tools such as SonarQube or CodeClimate for automated static analysis reports that can be shared during review sessions. • Stay up-to-date on emer
Benefits
• Offchain Labs 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 Labs 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. • Remote-first global workforce + NY office • Annual company offsite + team onsites • 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 • Attention Offchain Labs 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 OCL employee or the legitimacy of an offer you received, please email [email protected] • At Offchain Labs, 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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