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# Senior Web3 SDET

- **Company:** R3.
- **Location:** London, UK
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), JavaScript (Programming Language), Agile Methodology, Algorithmic Trading, Automation of Tests, Cloud Engineering, DevOps, Distributed Systems, Github, Blockchain, Prometheus, Selenium, Software Testing Automation Framework, Test Management, Strategies of Testing, TypeScript, User Interface Testing, Postman, Grafana, Cypress (Programming Language), Kubernetes Helm Charts, Kotlin, Containerization, Web3.js, Kibana, Software Coding, Cucumber (Software), Docker, Testrail, SDET, Jenkins
- **Published:** September 3, 2026
- **Apply:** https://find.jobs/jobs-near-me/apply/ats-redirect/?id=2953195537-2

## About the Role

coverage aligns with business needsLog, prioritize, and manage defects using tracking tools like JIRAAnalyse test results, generate quality metrics, and clearly communicate risks and issuesRequired Skills & Experience:1+ year working with blockchain or Web3 products, ideally on Solana6-10 years of hands-on experience in Manual QA techniques and Test automation roles, ideally in Agile environmentsTesting smart contracts, transactions and wallet integrationsProficient in using test automation frameworks and tools such as:UI Testing: Selenium, Cypress/JavaScript/Typescript, AppiumAPI Testing: REST Assured, Postman, SoapUIBDD Tools: Cucumber, SerenityDatabase TestingSolid experience with CI/CD pipelines and tools (e.g., Jenkins, GitHub Actions)Familiarity with cloud-native architectures and container technologies like Docker and KubernetesExperience testing in distributed systems and microservice architecturesStrong analytical and problem-solving abilitiesExcellent communication and
collaboration skillsNice to Haves:Exposure to financial services, fintech, or trading system technologiesStrong coding skills in Java, Kotlin, or similar languages, with demonstrated experience building maintainable test automation codeFamiliarity with tools like XRAY, TestRail, Grafana, Kibana, Prometheus, Helm charts for test management and observabilityUnderstanding of performance, reliability, or security testing approachesISTQB/CSTE certificationWhat You'll Gain:Opportunities to contribute and shape the test strategy for key product componentsThe chance to help shape test frameworks and tooling directionA fast-paced, collaborative team environment with modern DevOps and agile workflows

## Description

At R3, we are building the on-ramp for the next trillion dollars of assets to move on-chain, bridging the worlds of traditional finance (TradFi) and decentralized finance (DeFi). We are launching institutional-grade RWA yield vaults, fully composable and integrated into Solana DeFi.We are seeking a Senior QA SDET to take a technical role in shaping the quality and reliability of our blockchain protocol. You will work closely with protocol engineers and smart contract developers to design, execute and automate testing for blockchain applications and decentralized systems.Responsibilities:Own the automation of Web3 wallet workflows, addressing complex testing challenges such as wallet integrations, transaction validation and end-to-end blockchain interactionsDevelop and execute comprehensive test plans and test cases for smart contracts, transactions and wallet integrations workflowsCollaborate with developers, product managers, and DevOps engineers in Agile ceremonies to ensure test


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