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Role: Blockchain Tester
Location: #Dallas, TX/#Tampa, FL/#Jersey_City, NJ – Onsite
About the Role
We are seeking a Blockchain Tester to ensure the reliability, security, and performance of our blockchain-based applications. You will be responsible for validating smart contracts, APIs, and distributed ledger systems to guarantee seamless functionality and compliance with industry standards.
Key Responsibilities
• Design and execute test cases for blockchain applications, smart contracts, and APIs.
• Perform functional, integration, and performance testing on distributed ledger systems.
• Validate transaction flows, consensus mechanisms, and data integrity.
• Identify bugs, document issues, and collaborate with developers to resolve them.
• Use automation tools and frameworks to streamline blockchain testing processes.
• Ensure compliance with security and scalability requirements.
Skills & Qualifications
• Strong understanding of blockchain concepts (Ethereum, Hyperledger, or similar).
• Experience with testing tools (Postman, Selenium, JMeter, or blockchain-specific frameworks).
• Knowledge of smart contract testing (e.g., Truffle, Hardhat).
• Familiarity with API testing and automation scripting (Python/Java preferred).
• Analytical mindset with attention to detail and problem-solving skills.
What is Truffle Blockchain?
Truffle is a popular development framework for building decentralized applications (dApps) on blockchain platforms, including Ethereum, Binance Smart Chain, and others
The framework provides developers with a suite of tools that make it easier to create, test, and deploy smart contracts and dApps
Truffle also includes a number of integrations with other blockchain development tools and platforms, such as Ganache for local blockchain development and Metamask for Ethereum wallet management
Truffle includes a number of features that simplify the development process, such as:
- Smart contract compilation and migration: Truffle automatically compiles and deploys smart contracts to the blockchain network, making it easier for developers to manage the deployment process.
- Testing framework: Truffle includes a built-in testing framework that enables developers to test their smart contracts and dApps with a variety of testing tools and approaches.
- Debugging and logging: Truffle provides tools for debugging and logging smart contract code, making it easier to diagnose and fix errors and issues during development.
- Built-in libraries: Truffle includes a number of built-in libraries that provide common smart contract functionality, such as OpenZeppelin for token standards and SafeMath for secure arithmetic operations.