Mid/Senior Web3 QA Engineer

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Mid/Senior Web3 QA Engineer based in Netherlands.

This is an exciting opportunity for an experienced QA professional passionate about blockchain technology and software quality. In this role, you will take ownership of testing initiatives across web applications, APIs, and backend services, ensuring a reliable and seamless user experience. Working closely with engineering, product, and QA teams, you will help shape testing strategies, improve development processes, and drive quality standards across the platform. The position combines hands-on test automation, bug management, and quality advocacy within a fast-paced and innovative environment. You'll play a key role in supporting the delivery of high-quality Web3 products while contributing to a culture of continuous improvement, collaboration, and technical excellence. This role is ideal for someone who enjoys solving complex challenges, embracing new technologies, and making a meaningful impact on product reliability.

• Design, implement, and maintain comprehensive testing strategies for REST APIs, backend services, and web applications, ensuring reliability, security, and performance across the platform.
• Develop and manage automated testing frameworks and test suites to increase coverage and improve release quality.
• Collaborate closely with QA, engineering, product, and technical leadership teams to establish and maintain high-quality development and testing standards.
• Identify, document, prioritize, and track software defects through resolution while ensuring timely communication of quality risks and improvements.
• Advocate for a shift-left quality approach by integrating testing activities earlier in the development lifecycle and promoting best practices across teams.
• Analyze product behavior, identify potential issues, and recommend solutions that enhance usability, stability, and overall user experience.
• Create and maintain clear testing documentation, test plans, and quality assurance procedures to support efficient and scalable development processes.

Requirements

• Minimum 5 years of experience in Quality Assurance, including at least 3 years working within Web3, blockchain, or decentralized technology environments.
• Strong expertise in testing REST APIs, backend systems, and modern web applications.
• Proficiency with testing and development tools including Git, GitHub Actions, TypeScript, Playwright, and Postman.
• Solid understanding of blockchain technologies, emerging Web3 trends, and decentralized ecosystems, combined with a willingness to continuously expand technical knowledge.
• Experience designing and implementing automated testing solutions and quality assurance frameworks.
• Strong analytical, troubleshooting, and problem-solving abilities with exceptional attention to detail.
• Excellent written and verbal communication skills, with the ability to collaborate effectively across technical and non-technical teams.
• Self-motivated and capable of working independently within a distributed, remote-first environment.
• Adaptable, proactive, and comfortable navigating fast-changing technologies and business priorities.
• Experience with Linear or other QA and project management tools is considered a plus.

Benefits

• Fully remote work environment within the EMEA region.
• Flexible working hours that support work-life balance and personal productivity.
• 30 days of paid time off annually.
• Equity participation from day one.
• Choice of work equipment and computer setup.
• Annual company offsites in international destinations, fostering collaboration and team connection.
• €1,000 annual professional development budget (available after six months of service, prorated during the first year).
• One-time €1,000 remote work allowance for home office setup, coworking memberships, or related expenses.
• Opportunity to work within an innovative Web3 environment focused on growth, ownership, learning, and collaboration.
• Inclusive and supportive culture that values diversity, accountability, continuous improvement, and teamwork.