Design, develop, and implement robust test plans, test cases, and test scripts for blockchain applications, smart contracts and related distributed systems
Execute various types of testing, including functional, integration, performance, security, and regression testing, specifically tailored for blockchain environments
Test and integrate blockchain protocols and platforms, including Ethereum-compatible networks (e.g., Hyperledger Besu), Cosmos and Canton
Test smart contracts for correctness, security vulnerabilities, and edge cases
Collaborate closely with development teams and blockchain architects to understand technical specifications and ensure testability of features
Perform load, performance and stress testing to assess scalability and transaction throughput
Validate blockchain network behavior, including consensus mechanisms, node synchronization, and fault tolerance
Test integrations with wallets, APIs, backend services
Identify, document, and track software defects and work with development teams to ensure timely resolution
Develop and maintain automated test frameworks and tools to improve efficiency and coverage of blockchain testing
Contribute to the continuous improvement of testing processes, methodologies, and best practices within a blockchain context
Stay up-to-date with emerging blockchain technologies, testing tools, and industry trends
Participate in code reviews and provide constructive feedback to enhance code quality and testability
Ensure adherence to S.W.I.F.T.'s quality standards and regulatory compliance requirements in all testing activities
Requirements
Bachelor's Degree in Computer Science, Software Engineering, or a related field
Proven (5+ years) of experience in software quality assurance or testing with a significant focus on blockchain or distributed ledger technologies
Solid understanding of blockchain fundamentals, including consensus mechanisms (PoW, PoS, BFT), smart contracts, cryptography, and distributed system architectures
Proficiency in at least one programming language commonly used in blockchain development or testing (e.g., Python, JavaScript, Go, Java, Solidity)
Experience with test automation frameworks and tools (e.g., Selenium, Playwright, Jest, Truffle, Hardhat)
Familiarity with CI/CD pipelines and tools (e.g., Jenkins, GitLab CI)
Strong analytical and problem-solving skills, with meticulous attention to detail
Excellent communication and collaboration skills, with the ability to articulate technical concepts clearly to both technical and non-technical stakeholders.
Tech Stack
Distributed Systems
Java
JavaScript
Jenkins
Jest
Node.js
Python
Selenium
Solidity
Go
Benefits
Medical, dental, vision and life insurance with no premium costs for employees and their families