Offchain Labs · 8 hours ago
Senior Quality Engineer, Full Stack
United States
Full-time
Remote
Mid, Senior Level
3+ years expOffchain Labs is a pioneering company in blockchain scalability and security, leading the transformation of decentralized applications. They are seeking a Senior Quality Engineer to build and scale automated testing frameworks, ensuring the reliability and performance of their blockchain solutions.
Cyber SecurityCrypto & Web3SoftwareBlockchainNetwork SecuritySecuritySmart Contracts
Responsibilities
Refine and implement the QA strategy for our Full Stack Engineering team
Establish test automation frameworks that validate correctness, security, and performance across Full Stack Engineering's entire stack
Integrate QA into the CI/CD pipeline to ensure rigorous pre-deployment validation of protocol updates and software releases
Develop fuzzing, property-based testing, and other advanced verification techniques for smart contract security
Execute load and stress testing to measure scalability under high transaction volume
Work Cross-Functionally to embed quality in the development process
Partner with software engineers, smart contract developers, and DevOps to establish a culture of quality across the engineering organization
Collaborate with researchers and external auditors to automate vulnerability detection and regression testing
Work closely with developer relations to ensure that SDKs, APIs, and documentation are well-tested and reliable for the growing Arbitrum developer ecosystem
Qualification
Required
3+ years in QA engineering, test automation, or software quality roles
Strong programming language skills in TypeScript
Strong automation skills, with proficiency in Playwright and/or Cypress
Deep understanding of CI/CD pipelines and integrating automated testing within DevOps workflows
Ability to deploy to and administer virtual machines on a cloud infrastructure provider (e.g. AWS, Google Cloud)
Ability to be a team leader & collaborate with various technical and non-technical roles
Experience building QA processes from scratch in a fast-paced, engineering-driven environment
Ability to drive process change and influence engineering teams to adopt best practices
Passionate about open-source, decentralization, and blockchain technology
Experience with blockchain-based, Web3 products and/or crypto wallets
Benefits
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
Home office set up / ergonomic equipment program
Company
Offchain Labs
Offchain Labs develops a solution for scaling Ethereum smart contracts.
51-200 employees
H1B Sponsorship
Offchain Labs has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (1)
2024 (2)
2023 (2)
Funding
Current Stage
Growth StageTotal Funding
$123.7MKey Investors
Lightspeed Venture PartnersPantera Capital
2021-08-31Series B· $100M
2021-04-01Series A· $20M
2019-04-03Seed· $3.7M
Leadership Team
Ed Felten
Co-Founder and Chief Scientist
Harry Kalodner
CTO and Co-Founder
Recent News
Company data provided by crunchbase