Blockchain Test Engineer

Veriipro; New York (NY); On-site; USD 90,000 - 120,000; Full time

Job summary

Veriipro is seeking an experienced Blockchain Test Engineer to join their team in New York. The ideal candidate will have a strong background in software testing, particularly with blockchain technologies and smart contract validation. You will design and execute testing strategies for blockchain systems and ensure adherence to quality standards.

This role offers the opportunity to collaborate with developers and architects on innovative blockchain projects while working in a dynamic environment.

Qualifications

• Proven experience in QA / software testing with a focus on blockchain technologies.
• Hands-on experience testing smart contracts (e.g., Solidity, Vyper).
• Knowledge of major blockchain platforms such as Ethereum and Polygon.
• Experience with blockchain testing frameworks and tools.

Responsibilities

• Design, develop, and execute test strategies for blockchain systems.
• Perform functional and performance testing of blockchain platforms.
• Validate smart contracts for correctness and security vulnerabilities.
• Conduct API testing for blockchain services and integrations.

Skills

QA / software testing

Blockchain technologies

Testing smart contracts

API testing

CI/CD pipelines

Test automation frameworks

Tools

Truffle

Hardhat

API testing tools

Job description

We are seeking an experienced Blockchain Test Engineer to join our team. The ideal candidate will have a strong background in software testing with a focus on blockchain technologies, smart contract validation, and decentralized application (DApp) testing.

Required Technical / Functional Skills

• Proven experience in QA / software testing with a focus on blockchain technologies.
• Hands‑on experience testing smart contracts (e.g., Solidity, Vyper).
• Knowledge of major blockchain platforms, such as Ethereum, Polygon, BSC, Hyperledger Fabric, or Corda.
• Experience with blockchain testing frameworks and tools, including Truffle, Hardhat, Ganache, Remix, Foundry, or similar.
• Proficiency in API testing using tools like Postman or other REST clients.
• Familiarity with CI/CD pipelines and DevOps practices.
• Knowledge of test automation frameworks is a plus.

Roles & Responsibilities

• Design, develop, and execute test strategies, plans, and cases for blockchain-based systems.
• Perform functional, integration, system, regression, and performance testing of blockchain platforms and DApps.
• Validate smart contracts for correctness, security vulnerabilities, gas optimization, and compliance with business logic.
• Test blockchain operations including node setup, network configurations, consensus mechanisms, and transaction lifecycle.
• Conduct API testing for blockchain services and integrations with off‑chain systems.
• Identify, log, track, and verify defects using defect management tools.
• Collaborate with blockchain developers, architects, and DevOps teams throughout the SDLC.
• Participate in security testing, including vulnerability assessment and basic penetration testing for smart contracts.
• Support UAT, production validation, and post‑deployment monitoring.
• Ensure adherence to quality standards, best practices, and regulatory requirements (where applicable).