QA Automation Engineer

Job description

Join Euronext - Shape capital markets for future generations. Euronext is the leading European capital market infrastructure, covering the entire capital markets value chain, from listing, trading, clearing, settlement and custody, to solutions for issuers and investors. Euronext runs MTS, one of Europe’s leading electronic fixed income trading markets, and Nord Pool, the European power market. Euronext also provides clearing and settlement services through Euronext Clearing and its Euronext Securities CSDs in Denmark, Italy, Norway and Portugal. In November 2025, Euronext successfully acquired a majority stake in the Athens Stock Exchange (ATHEX), further expanding its footprint and strengthening its pan-European market infrastructure. As of December 2025, Euronext’s regulated exchanges in Belgium, France, Ireland, Italy, the Netherlands, Norway and Portugal host over 1,700 listed issuers with €6.7 trillion in market capitalisation, a strong blue-chip franchise and the largest global centre for debt and fund listings. With a diverse domestic and international client base, Euronext handles 25% of European lit equity trading. Its products include equities, FX, ETFs, bonds, derivatives, commodities and indices. Euronext’s Technology & Operations teams cover a wide range of activities, including the operation of trading platforms and post-trade platforms, one Clearing House and four CSDs (prior to the integration of ATHEX). The IT function is responsible for designing, developing and testing new features and solutions to respond to the business and clients’ needs. IT also designs and builds the infrastructure that the company runs on and ensures that systems, infrastructure and market platforms are up and running. IT teams provide end-to-end technology support across the Group, comprising approximately 800 staff primarily located in Milan, Porto, Paris, and the Nordics. They are organized into two main groups: IT Business Lines, which provide dedicated support to each core business, and IT Transversal Teams, including Infrastructure and Information Security. The Euronext Technology & Support Centre The ambition of the new Euronext Technology & Support Centre is to build a strong team in Greece that will support the Business Lines, IT, and Operations functions across the Group. In its initial phase, the Centre will focus on two key initiatives: Graphical User Interfaces (GUI) Development Team: We will establish an in-house team responsible for developing and supporting Euronext’s Graphical User Interfaces, which are currently managed by an external provider. IT Clearing Test Factory: We will create an in-house Test Factory to support the Clearing House based in Italy. Euronext Clearing is a multi-asset-class clearing house that provides proven risk management capabilities for Euronext’s cash, financial and commodity derivatives markets. As the central counterparty (CCP) of choice for Euronext markets, it ensures the efficient and safe functioning of the markets. Initial roles within the Centre will include Backend Developers, UI Developers, Business Analysts, Application Managers, and QA Engineers. Role and key responsibilities: Join Euronext Clearing’s QA team in Athens, part of our new Technology and Support Centre, and contribute to the quality and reliability of enterprise-grade clearing systems. You will work in a large-scale environment supporting critical clearing business processes, with more than 60,000 automated tests and growing technical complexity. As a QA automation engineer, you will design, develop and maintain end-to-end automated tests integrated with UI layers, APIs and backend databases, collaborating with international teams and stakeholders. You will be primarily responsible for: Analysing functional requirements and understanding the business logic of the clearing platform Executing manual smoke tests to validate critical user journeys prior to automation Designing, developing and maintaining end-to-end automated tests Implementing UI browser tests and API tests (REST and GraphQL) Validating test execution results through direct interaction with backend databases Working on large Git repositories, including branch management, creation and review of merge/pull requests and structured peer code reviews Studying, understanding and extending existing test codebases Using AI-based tools to support manual smoke testing, improve and accelerate automated test development and extend internal AI agents developed within the QA team Performing troubleshooting activities and root cause analysis in collaboration with development and operations teams This list is non-exhaustive and may vary according to strategic priorities of the group. Knowledge, Personality, Skills and Experience Required: University degree in computer science, software engineering or a related technical field (mandatory) Fluent English, both written and spoken (mandatory), Greek preferred Experience with Playwright is preferred, but equivalent experience with modern automated testing frameworks such as Cypress or Selenium is fully acceptable Strong knowledge of JavaScript and/or TypeScript Daily use of Visual Studio Code or comparable IDEs Experience working on large-scale automated testing projects Ability to quickly read, understand and extend complex existing test codebases Experience testing REST and GraphQL APIs Good understanding of service-oriented and distributed architectures Strong SQL skills, including writing and understanding complex queries, joins, subqueries and data validations Solid experience working with relational database systems in enterprise environments Hands-on experience with database analysis and backend data validation Familiarity with IBM DB and/or MariaDB is a plus Experience or strong interest in large language models, prompt engineering techniques and AI-assisted testing tools Knowledge of Python (required to work on internal agentic AI systems) Advanced Git skills and experience with structured code reviews Optional: familiarity with Jenkins or similar CI/CD tools for test automation pipelines Ability to collaborate effectively in distributed, cross-functional teams Strong analytical and reasoning skills High aptitude for problem solving and troubleshooting Ability to understand and internalise complex business logic Proactive, quality-oriented mindset Comfortable working in regulated, mission-critical enterprise environments. Apply by submitting a CV in English. Working with us means joining a company where market infrastructure is built on innovation — and where every innovation starts with a bold mind asking, “What’s next?”. At Euronext, we believe change is a starting point, not an obstacle. We look for people who see growth opportunities, think long term, and want to help shape capital markets for future generations. Being part of a European, international and diverse team – Collaborate across borders with talented colleagues connected by a shared ambition and purpose. Learning as you grow – Develop your skills through continuous learning, real responsibilities and flexible career paths that evolve with you. Having an impact – Contribute to projects that matter, in an agile and dynamic environment where your ideas help drive progress. Driving sustainability – Play an active role in building transparent, responsible and sustainable capital markets for the long term. Together, we don’t just support markets — we help shape their future. #ATHEX Euronext Values Unity • We respect and value the people we work with • We are unified through a common purpose • We embrace diversity and strive for inclusion Integrity • We value transparency, communicate honestly and share information openly • We act with integrity in everything we do • We don’t hide our mistakes, and we learn from them Agility • We act with a sense of urgency and decisiveness • We are adaptable, responsive and embrace change • We take smart risks Energy • We are positively driven to make a difference and challenge the status quo • We focus on and encourage personal leadership • We motivate each other with our ambition Accountability • We deliver maximum value to our customers and stakeholders • We take ownership and are accountable for the outcome • We reward and celebrate performance We are proud to be an equal opportunity employer. We do not discriminate against individuals on the basis of race, gender, age, citizenship, religion, sexual orientation, gender identity or expression, disability, or any other legally protected factor. We value the unique talents of all our people, who come from diverse backgrounds with different personal experiences and points of view and we are committed to providing an environment of mutual respect. Additional Information This job description is only describing the main activities within a certain role and is not exhaustive. It does not prevent to add more tasks, projects.