Senior QA Engineer (Typescript, Blockchain) - OP02306-00

Dev.Pro

4d • Remote

About The Position

Dev.Pro, a US-based outsourced software development company, is hiring a Senior QA Engineer to join its remote-first global team and help evolve a large-scale blockchain-based platform for private markets. The role involves owning end-to-end quality assurance, combining hands-on manual testing with the development and expansion of test automation across backend services, distributed systems, and blockchain integrations.

The engineer will help establish testing approaches and automation practices from the ground up, collaborating with engineering, product, and business stakeholders to support reliable, high-quality releases. The position offers the opportunity to work on a blockchain platform focused on trust and transparency in private markets, deepen expertise in blockchain systems and distributed architectures, and shape automation frameworks and quality practices across multiple projects.

Requirements

• At least 5 years of experience in QA/SDET roles, covering manual and automated testing across the full SDLC.
• Strong experience with backend and non-UI test automation.
• Hands-on experience developing, maintaining, and debugging automated tests.
• Strong programming skills for test automation, preferably TypeScript/Node.js.
• Ability to define QA strategies, test plans, and quality gates from the ground up.
• Understanding of blockchain fundamentals, including wallets, transactions, and blockchain types.
• Experience testing REST APIs and RPC-based interfaces, including JSON-RPC and gRPC.
• Experience with Docker-based test environments and debugging containerized services.
• Experience integrating automated tests into CI/CD pipelines and establishing quality gates.
• Experience with AWS-based infrastructure.
• Experience with MongoDB or PostgreSQL.
• Strong analytical and problem-solving skills to identify risks and propose solutions.
• Ability to independently manage testing activities, own deliverables, and proactively communicate progress and blockers.
• Ability to adapt to changing priorities and take a flexible, hands-on approach to testing.
• Ability to define testing scope and balance test coverage between QA and engineering teams.
• Strong communication and collaboration skills across multiple stakeholders and teams.
• Upper-Intermediate or higher English level.

Nice To Haves

• Hands-on experience testing blockchain systems, smart contracts, and transaction flows.
• Experience with Go for test automation.
• EVM testing experience using Foundry, Hardhat, or similar frameworks.
• Ability to read and understand Solidity or Rust code for smart contract validation.
• Experience with Layer 2 solutions and blockchain protocol testing.
• Experience testing asynchronous messaging systems such as AWS SNS/SQS or Azure Service Bus.
• Experience with Kubernetes.
• Experience with observability-driven testing.
• Experience testing MCP servers.
• Experience with performance and load testing.

Responsibilities

• Review business requirements and technical documentation to understand system functionality and identify testing needs.
• Manually test new features and existing functionality to understand system behavior and guide test automation efforts.
• Define and improve QA strategies, test plans, and quality gates.
• Establish testing ownership and coordinate responsibilities between QA and engineering teams.
• Work with engineering and product teams to define test coverage and acceptance criteria.
• Build and maintain automated test suites, frameworks, and test harnesses, focusing on backend, integration, and contract testing.
• Test blockchain integrations, smart contracts, REST APIs, JSON-RPC endpoints, MCP servers, and other blockchain-specific functionality.
• Integrate and monitor automated tests within CI/CD pipelines and quality gates.
• Investigate and troubleshoot issues across distributed systems and blockchain integrations.
• Adjust testing priorities and approaches as project needs evolve.
• Maintain test documentation, report quality risks, and communicate testing progress and blockers.
• Expand automation coverage and improve QA practices across multiple projects.

Benefits

• Opportunity to work on an innovative blockchain platform designed to bring trust and transparency to private markets.
• Opportunity to deepen expertise in blockchain systems, distributed architectures, and complex integrations.
• Opportunity to drive test automation framework development and shape quality practices across multiple projects.

What This Job Offers

• Career Level: Senior
• Education Level: No Education Listed