Senior Developer
Euronext is the leading pan-European exchange in the Eurozone with a unique federal model across the Belgium, Dutch, French, Irish, Norwegian, Portuguese, Italian markets. Euronext also operates a UK-based regulated securities market.
From raising equity to traded products, issuer services to market data, Euronext addresses the needs of our marketplaces, investors and companies, playing a crucial role in connecting European businesses to capital markets, fostering economic growth, and providing listing opportunities for companies of varying sizes.
The Senior Developer is a key technical leader responsible for architecting, developing, and maintaining advanced web applications. This role oversees both front-end and back-end development, drives best practices across the team, and mentors the Developer. The ideal candidate will have a strong technical background, experience leading cross-functional projects, and excellent communication skills—including Spanish proficiency, which is desirable due to our operations in South America.
Key Responsibilities:
Project Leadership & Team Mentoring:
Lead the software development lifecycle from design to deployment.
Mentor and guide the Developer and other team members, ensuring adherence to best practices and high-quality code.
Web Application Development:
Building & Testing: Design, develop, and test web applications, covering both the front-end and back-end processes.
Front-End: Utilize HTML, CSS, and JavaScript with mandatory frameworks such as Angular and .NET. Experience with React or Vue.js is a plus.
Back-End: Develop server-side applications using C# and Node.js; experience with frameworks like ASP.NET Core and Express.js is required. Familiarity with Python, Java, Ruby, or PHP (and frameworks such as Django, Flask, Spring, or Ruby on Rails) is desirable.
Database & DevOps Management:
Database: Design and manage databases, primarily with SQL Server; experience with MySQL, PostgreSQL, MongoDB, or Redis is beneficial.
DevOps: Oversee deployment and continuous integration processes using Azure DevOps, with desirable knowledge of Docker, Kubernetes, or Jenkins.
Collaboration & Communication:
Work closely with designers, other developers, and stakeholders to deliver a cohesive product.
Maintain clear documentation and provide technical reports.
Communicate effectively with both local and group IT management, ensuring project alignment and progress.
Spanish speaking and written communication skills are desirable.
Quality Assurance & Security:
Perform thorough code reviews and ensure compliance with coding standards.
Implement and monitor security practices including authentication, authorization, and web security measures.
Knowledge, Skills and Experience Required
A minimum of 5 years’ experience in software development with proven leadership and project management skills.
Strong proficiency in web technologies: HTML, CSS, JavaScript; Angular and .NET are mandatory, with additional exposure to React or Vue.js desirable.
Expertise in back-end development using C# and Node.js, with hands-on experience in ASP.NET Core and Express.js.
Solid experience with SQL Server; knowledge of additional database systems is an advantage.
Proficient in using Azure DevOps; experience with Docker, Kubernetes, or Jenkins is a plus.
Familiarity with version control systems (Git, GitHub/Bitbucket, Azure Repos) and API development (RESTful and GraphQL).
Excellent problem-solving skills, attention to detail, and the ability to communicate complex technical concepts effectively.
Bachelor’s degree in Computer Science, Software Engineering, or a related field.
Spanish language skills (speaking and writing) are desirable.