Lead Full Stack Developer
Aleda, a subsidiary of Groupe FDJ UNITED since 2022, is a key player in the secure electronic transactions and innovative payment systems sector. The Java team works on a multitude of structuring projects: money transfer, dematerialization, supplier connection, authentication, invoicing, private APIs. We are recruiting a Lead Full Stack Developer – M/F in permanent employment (CDI) to technically lead the Java team and support its evolution. The future Lead will play a key role in technical structuring, elevating standards, supporting practices, and delivery.
- Develop and maintain backend and frontend applications
- Take charge of the most complex core topics: performance, architecture, code quality, security, private APIs.
- Technically lead the team: mentoring, pair programming, code review, skill development, best practices.
- Structure and maintain technical standards (testing, CI/CD, software quality),
- Participate in the technical design of projects (money transfer, dematerialized services, invoicing, authentication, partner flows).
- Collaborate closely with the Product, QA, Mobile, and Payment teams, and ensure a reliable and predictable deliverable.
- Contribute to continuous improvement: optimization, refactoring, Spring Boot migration, architectural evolutions.
- Be the technical point of contact and contribute to the planning, prioritization, and resolution of complex incidents.
- Around ten years of overall experience, including a minimum of 3 years in Java/Spring Boot development and proven experience in a Lead Dev role.
- Advanced mastery of Java, Spring Boot, Gradle/Maven, JSF, and distributed architectures.
- Experience in modern frontend: Typescript, Angular, Ionic, Cordova, or Flutter.
- Genuine ease in advanced diagnostics, problem-solving, and technical structuring.
- Technological curiosity, strong adaptability, and a desire to support the team's skill development.
- Excellent interpersonal skills and a flexible posture, suited to a constantly transforming environment.
- Your bonus: knowledge of the payment/monetics domain, private APIs, CHR/BTP environment, or high-volume projects.
- Meal vouchers with the Swile card, comprehensive family health insurance, Partial Remote Work, Time Savings Account (CET), Employee Savings Plan.
- Benefit from training and support that ensure your employability.
FDJ United is one of Europe's largest gaming and betting groups, formed after French lottery operator La Française des Jeux (FDJ) acquired Kindred Group - the company behind Unibet - in 2024 and rebranded the enlarged group in 2025. Headquartered in Boulogne-Billancourt, France, it operates lottery, online sports betting, casino and poker across multiple European markets and Australia. Its portfolio includes well-known online brands such as Unibet, 32Red and Maria Casino, alongside FDJ's French lottery and retail network. The group is listed on the Euronext Paris exchange.