Senior QA Engineer – Typescript, Blockchain

This is a fully remote position, open to applicants in Ukraine.

📋 Description

• Analyze business requirements and technical documentation to comprehend system functionality and pinpoint testing necessities.

• Conduct manual tests on new features and existing functionalities to gain insights into system behavior and support test automation initiatives.

• Formulate and enhance QA strategies, test plans, and quality checkpoints.

• Define testing responsibilities and coordinate tasks between QA and engineering teams.

• Collaborate closely with engineering and product teams to establish test coverage and acceptance criteria.

• Develop and maintain automated test suites, frameworks, and test harnesses, with a focus on backend, integration, and contract testing.

• Conduct testing for blockchain integrations, smart contracts, REST APIs, JSON-RPC endpoints, MCP servers, and other blockchain-specific functionalities.

• Integrate and monitor automated tests within CI/CD pipelines and quality checkpoints.

• Investigate and troubleshoot issues across distributed systems and blockchain integrations.

• Adapt testing priorities and methodologies as project requirements evolve.

• Maintain testing documentation, report quality risks, and communicate testing progress and any obstacles encountered.

• Assist in expanding automation coverage and enhancing QA practices across various projects.

⛳️ Requirements

• Over 5 years of experience in QA/SDET roles, encompassing both manual and automated testing through the entire SDLC.

• Significant experience with backend and non-UI test automation.

• Practical experience in developing, maintaining, and troubleshooting automated tests.

• Proficient programming skills for test automation, preferably with TypeScript/Node.js.

• Capability to develop QA strategies, test plans, and quality checkpoints from scratch.

• Knowledge of blockchain fundamentals, including wallets, transactions, and various blockchain types.

• Experience in testing REST APIs and RPC-based interfaces (JSON-RPC, gRPC).

• Familiarity with Docker-based testing environments and debugging containerized services.

• Experience in integrating automated tests into CI/CD pipelines and setting up quality checkpoints.

• Experience with AWS infrastructure.

• Experience with MongoDB or PostgreSQL.

• Strong analytical and problem-solving abilities to identify risks and propose solutions.

• Ability to independently manage testing activities, take ownership of deliverables, and communicate progress and challenges proactively.

• Adaptability to changing priorities and a flexible, hands-on approach to testing.

• Ability to delineate testing scope and balance test coverage between QA and engineering teams.

• Strong communication and collaboration skills across various stakeholders and teams.

• Upper-Intermediate+ proficiency in English.

• Desirable: Practical experience in testing blockchain systems, smart contracts, and transaction workflows.

• Desirable: Experience with Go for test automation.

• Desirable: EVM testing experience utilizing Foundry, Hardhat, or similar frameworks.

• Desirable: Ability to read and comprehend Solidity or Rust code for smart contract validation.

• Desirable: Experience with Layer 2 solutions and blockchain protocol testing.

• Desirable: Experience in testing asynchronous messaging systems (AWS SNS/SQS, Azure Service Bus).

• Desirable: Experience with Kubernetes.

• Desirable: Experience with observability-driven testing.

• Desirable: Experience in testing MCP servers.

• Desirable: Experience with performance and load testing.

🏝️ Benefits

• Engage in an innovative blockchain platform aimed at fostering trust and transparency in private markets.

• Enhance your knowledge in blockchain systems, distributed architectures, and intricate integrations.

• Lead the development of test automation frameworks and contribute to shaping quality practices across various projects.

• Enjoy a remote-first work arrangement.

• Be part of a global team of IT professionals.

• Contractor engagement opportunity.