Web3 Jobs in Belgium

QA Automation Engineer - Crypto Market Making, Linear

About Keyrock

Since our beginnings in 2017, we've grown to be a leading change-maker in the digital asset space, renowned for our partnerships and innovation.

Today, we rock with over 180 team members around the world. Our diverse team hails from 42 nationalities, with backgrounds ranging from DeFi natives to PhDs. Predominantly remote, we have hubs in London, Brussels, Singapore and Paris, and host regular online and offline hangouts to keep the crew tight.

We are trading on more than 80 exchanges, and working with a wide array of asset issuers. As a well-established market maker, our distinctive expertise led us to expand rapidly. Today, our services span market making, options trading, high-frequency trading, OTC, and DeFi trading desks.

But we’re more than a service provider. We’re an initiator. We're pioneers in adopting the Rust Development language for our algorithmic trading, and champions of its use in the industry. We support the growth of Web3 startups through our Accelerator Program. We upgrade ecosystems by injecting liquidity into promising DeFi, RWA, and NFT protocols. And we push the industry's progress with our research and governance initiatives.

At Keyrock, we're not just envisioning the future of digital assets. We're actively building it.

Mission statement

We are seeking a highly motivated and skilled Automation Engineer to lead the development and maintenance of automation systems that validate our critical business processes and drive measurable quality across the organisation. The ideal candidate will play a key role in building automated test coverage, performance monitoring, and deployment validation pipelines, while also ensuring the broader QA framework is effectively adopted across teams. The candidate will be focused on building out these automated testing frameworks for cryptocurrency market making technology, with inherent high availability and quality standards. Familiarity with similar systems will be helpful.

This role is highly cross-functional: you will collaborate with product, engineering, and delivery to implement best practices that support scalable, reliable systems.

Job description

Key Responsibilities:

You will report to a Delivery Manager, and be guided by a QA Capability Lead to align practices across the business:

• Design, implement, and maintain automation frameworks for validating end-to-end business processes and critical system functions.

• Develop test strategies that support key QA framework KPIs, including coverage of critical business logic, process adherence, change failure rates, and performance monitoring.

• Build and integrate automated testing into CI/CD pipelines to enable fast, safe releases.

• Partner with Product and Delivery Managers to drive adoption of standard QA processes across teams.

• Support the creation and maintenance of high-quality documentation for critical business functions and features.

• Implement monitoring and alerting to ensure production stability and fast incident response.

• Analyse trends in deployment success/failures and performance degradations to proactively improve system quality.

• Track and report progress on quality metrics and KPIs to stakeholders.

• Contribute to operational runbooks for incident response and system recovery.

• Mentor engineers and QA team members on automation and testing best practices.

Background and experience

• Proven experience designing and maintaining automation frameworks (backend and functional).

• Proficiency with modern automation tools (e.g., Playwright, Cypress, Python, JavaScript/TypeScript).

• Strong understanding of QA frameworks and standard processes (process adherence, test coverage, KPI-driven quality tracking).

• Experience with CI/CD pipelines and automated quality gates.

• Understanding & monitoring of unit testing coverage.

• Familiarity with API testing and backend validation (REST, gRPC).

• Strong ability to link tests to business-critical functionality and risk-based coverage.

• Solid knowledge of performance monitoring and alerting tools (e.g., Datadog, Grafana) and production health monitoring.

• Strong experience with version control (Git) and issue tracking (Jira, Shortcut).

• Incident management and root cause analysis (Change Failure Rate, MTTR).

• Excellent collaboration and communication skills with cross-functional teams.

• Ability to drive documentation and traceability efforts for critical functionality.

• Familiarity with test management tools (Testmo, TestRail) and QA reporting.

• Business analysis skills to support identifying critical business logic.

• Self-starter with excellent problem-solving skills and attention to detail.

• Familiarity with UI testing and web browser automation

• An interest in the cryptocurrency industry and market making is a plus.

Our recruitment philosophy

We value self-awareness and powerful communication skills in our recruitment process. We seek fiercely passionate people who understand themselves and their career goals. We're after those with the right skills and a conscious choice to join our field. The perfect fit? A crypto enthusiast who’s driven, collaborative, acts with ownership and delivers solid, scalable outcomes.

Our offer

• A competitive salary package

• Autonomy in your time management thanks to flexible working hours and the opportunity to work remotely

• The freedom to create your own entrepreneurial experience by being part of a team of people in search of excellence

As an employer we are committed to building a positive and collaborative work environment. We welcome employees of all backgrounds, and hire, reward and promote entirely based on merit and performance.

Due to the nature of our business and external requirements, we perform background checks on all potential employees, passing which is a prerequisite to join Keyrock.

https://keyrock.com/careers/