Senior Fullstack Engineer

About the role

WellDev is seeking a Senior Fullstack Engineer with strong Java and Angular expertise to design and deliver end‑to‑end features across both frontend and backend. The role involves full ownership of product delivery, close collaboration with cross‑functional teams, and contribution to architectural decisions.

Key responsibilities

• Design, develop and maintain end‑to‑end features using Java (Spring Boot or Quarkus) and Angular.
• Build responsive, user‑friendly interfaces and integrate them with scalable backend services.
• Create and maintain RESTful APIs and ensure seamless communication between frontend and backend.
• Translate business requirements into technical solutions across the full application stack.
• Contribute to architectural decisions for both frontend and backend systems.
• Design scalable, high‑performance applications using microservices architecture.
• Optimize performance, including frontend rendering, API response times, and database queries.
• Implement security best practices such as XSS prevention, secure APIs, and authentication/authorization.
• Collaborate with product managers, designers and engineers to deliver high‑quality solutions.
• Mentor junior engineers, participate in code reviews and enforce coding standards.
• Write clean, testable, maintainable code and implement unit, integration and end‑to‑end tests.
• Support CI/CD pipelines and modern deployment practices.
• Document development processes, technical decisions and system architecture.

Required profile

• 5+ years of professional software development experience.
• Strong experience with Java (Spring Boot or Quarkus) for backend development.
• Solid experience with modern Angular for frontend development.
• Proven ability to build RESTful APIs and work with microservices.
• Good understanding of relational databases such as PostgreSQL, MSSQL or Oracle.
• Proficiency in TypeScript, JavaScript, HTML and CSS.
• Strong grasp of object‑oriented design principles.
• Experience with Git version control.
• Excellent problem‑solving skills and attention to detail.
• Good written and verbal communication in English and French.

Required skills

• Java
• Spring Boot
• Quarkus
• Angular
• TypeScript
• JavaScript
• HTML
• CSS
• RESTful APIs
• Microservices architecture
• PostgreSQL
• MSSQL
• Oracle
• Git
• RxJS
• NgRx or Signals
• Kafka or RabbitMQ (nice‑to‑have)
• Hibernate or Panache (nice‑to‑have)
• Liquibase or Flyway (nice‑to‑have)
• Cloud platforms (generic)