Dev.Pro

Software engineering partner scaling technology companies

Senior QA Engineer

Test Automation EngineeringConfirmed live in the last 24 hours

Full-timeKyiv, UkraineNo salary listed

About the Job

Requirements

At least 5 years of experience in QA or SDET roles, covering manual and automated testing across the full software development lifecycle.
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 and 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.
Ability to define testing scope and balance test coverage between QA and engineering teams.
Upper-intermediate or higher English proficiency.

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.

Desired Qualifications

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.

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

Dev.Pro · Kyiv, Ukraine (Remote) · — · Posted 2026-10-30

Workplace: remote

Department: OP

Description

New opportunities in Ukraine!

🟢 Dev.Pro is a US-based software development company helping tech companies build their products and grow their business. We’re remote-first, and we work with independent contractors in over 55 countries, so you’d be collaborating in a multicultural environment on some really interesting projects.

We invite a Senior QA Engineer to join our team and help evolve a large-scale blockchain-based platform for private markets. In this role, you’ll own end-to-end quality assurance, combining hands-on manual testing with building and expanding test automation across backend services, distributed systems, and blockchain integrations. You'll help establish testing approaches and automation practices from the ground up, working closely with engineering teams and business stakeholders to ensure reliable, high-quality releases.

🟩 What's in it for you:

Work on an innovative blockchain platform designed to bring trust and transparency to private markets
Deepen your expertise in blockchain systems, distributed architectures, and complex integrations
Drive the development of test automation frameworks and help shape quality practices across multiple projects

✅ Is that you?

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

Desirable:

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

🧩Key responsibilities and your contribution

In this role, you'll lead testing activities across blockchain-based applications, from requirements analysis and manual validation to test automation and release support.

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 closely 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

Our next steps:

✅ Submit a CV in English — ✅ Intro call with a Recruiter — ✅ Interview — ✅ Signing the Contract

Interested? Find out more:

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About the Company

Dev.Pro

Software engineering partner scaling technology companies

Dev.Pro helps technology-driven companies scale by providing software engineering support across the product development lifecycle. It tailors engagements to each client’s needs, offering engineering expertise, rapid delivery, and cost efficiency. What sets Dev.Pro apart is the ongoing alliance with clients, aligning its success with theirs through a collaborative, long-term partnership. Founded by entrepreneurs and technologists, the company aims to help innovative software products grow and reach their next stage of development.

Company size: 501-1,000
Company stage: Not listed
Total funding: Not listed
Headquarters: Charlotte, NC
Founded: 2011

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