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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 interactions
Develop and execute comprehensive test plans and test cases for smart contracts, transactions and wallet integrations workflows
Collaborate with developers, product managers, and DevOps engineers in Agile ceremonies to ensure test coverage aligns with business needs
Log, prioritize, and manage defects using tracking tools like JIRA
Analyse test results, generate quality metrics, and clearly communicate risks and issues
Required Skills & Experience:
1+ year working with blockchain or Web3 products, ideally on Solana
6-10 years of hands-on experience in Manual QA techniques and Test automation roles, ideally in Agile environments
Testing smart contracts, transactions and wallet integrations
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Proficient in using test automation frameworks and tools such as:
UI Testing: Selenium, Cypress/JavaScript/Typescript, Appium
API Testing: REST Assured, Postman, SoapUI
BDD Tools: Cucumber, Serenity
Database Testing
Solid experience with CI/CD pipelines and tools (e.g., Jenkins, GitHub Actions)
Familiarity with cloud-native architectures and container technologies like Docker and Kubernetes
Experience testing in distributed systems and microservice architectures
Strong analytical and problem-solving abilities
Excellent communication and collaboration skills
Nice to Haves:
Exposure to financial services, fintech, or trading system technologies
Strong coding skills in Java, Kotlin, or similar languages, with demonstrated experience building maintainable test automation code
Familiarity with tools like XRAY, TestRail, Grafana, Kibana, Prometheus, Helm charts for test management and observability
Understanding of performance, reliability, or security testing approaches
ISTQB/CSTE certification
What You'll Gain:
Opportunities to contribute and shape the test strategy for key product components
The chance to help shape test frameworks and tooling direction
A fast-paced, collaborative team environment with modern DevOps and agile workflows
What is a QA in a job?
QA stands for Quality Assurance, which is a process or department in a company responsible for ensuring that products or services meet a certain level of quality
In a job, QA may refer to the role of a Quality Assurance Engineer or a Software Testing Engineer, who is responsible for designing and implementing quality control procedures to ensure that products or services meet the company's quality standards
A QA Engineer may be involved in various stages of the product or service development cycle, from designing and planning quality control procedures to executing testing and analysis to identify and address issues or defects
They may also work closely with other departments, such as engineering, product management, and customer support, to ensure that customer needs are met and that products or services meet the desired level of quality
In the context of Web3, Quality Assurance (QA) refers to the process of testing decentralized applications (DApps), smart contracts, and other blockchain-based solutions to ensure their functionality, security, and performance
The role of a QA Engineer in Web3 may involve designing and implementing testing strategies to identify and fix bugs, vulnerabilities, and other issues that could affect the user experience, data integrity, or network security
Some of the specific responsibilities of a QA Engineer in Web3 may include:
- Developing test cases and scenarios for DApps, smart contracts, and other blockchain-based solutions
- Conducting automated and manual testing to identify and fix issues
- Collaborating with developers, product managers, and other stakeholders to ensure the quality of the product
- Ensuring that DApps and smart contracts are compatible with different blockchain networks and standards
- Contributing to the development of tools and frameworks for testing Web3 applications.