Fullstack Senior QA Engineer

EMCD is a leading technology company in the crypto industry, best known as the largest mining pool in Eastern Europe. We are expanding globally and building a comprehensive ecosystem of crypto services, including payment infrastructure, custody, mining solutions and enterprise-grade tools for businesses and institutions.

We are looking for an experienced Fullstack Senior QA Engineer (WL / Monitoring) to strengthen our quality assurance practices and ensure the reliability of our high-load fintech and blockchain products. This role combines both manual and automated testing, close collaboration with cross-functional teams, and ownership of testing frameworks that will scale with our growing ecosystem.

Key Responsibilities

• Design and execute comprehensive test plans, covering functional, integration, regression, and load testing.
• Develop and maintain automated tests for both frontend and backend components.
• Contribute to the creation and improvement of testing frameworks and automation infrastructure.
• Collaborate with development, DevOps, and analytics teams to ensure high-quality product releases.
• Analyze and diagnose issues discovered during testing, working closely with the team to resolve them.
• Ensure new and existing features are fully covered by tests and define effective testing strategies.
• Integrate automated tests into CI/CD pipelines and maintain automation processes throughout development.
• Prepare reports on executed tests, identified defects, and overall testing outcomes.

Requirements

• At least 5 years of experience in software testing.
• Strong knowledge and proven experience in testing applications across different environments.
• Proficiency with test automation tools, preferably Playwright, but also Cypress, Selenium, or similar frameworks.
• Hands-on experience with CI/CD systems such as Jenkins, GitLab CI, or GitHub Actions, along with a solid understanding of DevOps principles.
• Familiarity with RESTful APIs and experience writing and automating API tests.
• Understanding of database principles (SQL/NoSQL) with the ability to validate data correctness.
• Strong grasp of QA methodologies and practical experience working in Agile or Scrum teams.
• Excellent communication skills and ability to work effectively in a distributed team.
• Experience testing blockchain or mining-related products is a plus.
• Familiarity with AI tools such as Cursor, Windsurf, or Claude Code is an advantage.

What We Offer

• We operate as a remote-first company, and you can work from anywhere in the world without location constraints.
• Working hours are fully flexible.
• We provide extended time off: 28 paid vacation days per year, plus 12 additional bonus days.
• Sick leave is fully paid and handled without unnecessary bureaucracy.
• We support professional growth by covering the cost of relevant courses, certifications, and training programs.
• You will have real impact and ownership of meaningful, high-value tasks, along with the opportunity to help shape core infrastructure in the fintech and crypto space.

Apply today and help us build the future of crypto!