Senior QA Engineer (Typescript, Blockchain) - OP02306
"What You'll Be Doing"
What You'll Be Doing
Review business requirements and technical documentation to understand system functionality and identify testing needs
Manually test new features and existing functionality to guide 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
Help expand automation coverage and improve QA practices across multiple projects
What We're Looking For
5+ years in QA/SDET roles, covering both 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 with 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 (JSON-RPC, 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, take ownership of deliverables, and proactively communicate progress and blockers
Ability to adapt to changing priorities and demonstrate 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+ English level
Bonus Points
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 (AWS SNS/SQS, Azure Service Bus)
Experience with Kubernetes
Experience with observability-driven testing
Experience testing MCP servers
Experience with performance and load testing
About Dev.Pro
Dev.Pro is a leading global IT service provider with a dedicated focus on pioneering blockchain and Web3 solutions. We partner with innovators worldwide to design, develop, and scale groundbreaking decentralized applications, smart contracts, and blockchain platforms that are reshaping industries from finance to logistics. Our expertise spans the full spectrum of Web3 technologies, empowering businesses to harness the power of immutability, transparency, and digital ownership. At Dev.Pro, we cultivate a dynamic and inclusive remote-first culture that thrives on collaboration, continuous learning, and technical excellence. We believe in empowering our diverse team of engineers, developers, and architects across Latin America (Brazil, Colombia, Argentina) to explore new frontiers in blockchain technology. Our values emphasize innovation, problem-solving, and a commitment to delivering high-quality, impactful solutions. Join Dev.Pro and become part of a forward-thinking team that is building the future of the internet. If you are passionate about decentralized technologies, eager to contribute to cutting-edge projects, and thrive in an environment that values curiosity and professional growth, Dev.Pro offers unparalleled opportunities to advance your career in the rapidly evolving Web3 ecosystem. Come help us architect the next generation of decentralized experiences.
Ready to Apply?
To submit your application for this position, please visit Dev.Pro's official website and follow their application process.