Mohamed-amine Lem

Working on enterprise applications dedicated to Employee Savings & Retirement Solutions, used by internal back-office teams to manage employee requests and business operations. Key responsibilities Led the migration of a large-scale Angular application from Angular 14 to Angular 18, modernizing the frontend architecture with Standalone Components and Signals. Designed and developed new business features using Java 17, Spring Boot and Angular. Acted as Technical Lead, providing technical guidance, code reviews and supporting team members during development and delivery. Designed and exposed RESTful APIs following clean architecture and best practices. Improved application performance through SQL optimization, frontend optimization and asynchronous processing. Participated in architecture discussions and technical decision-making for new features. Implemented unit and integration tests to improve application reliability. Collaborated with Product Owners, Business Analysts, QA engineers and offshore teams in an Agile/Scrum environment. Contributed to CI/CD pipelines and deployment automation using GitLab. Technologies Java 17 • Spring Boot • Angular 14/18 • TypeScript • RxJS • Signals • REST APIs • PostgreSQL • Oracle • GitLab CI/CD • Docker • Maven • JUnit • Mockito • Agile • Git

Worked on strategic applications supporting Prime Brokerage activities for international hedge funds, focusing on reporting, margin calculations and operational risk management. Key responsibilities Developed and maintained high-performance Java applications supporting Prime Brokerage services. Implemented complex business rules for hedge fund reporting and financial data processing. Optimized SQL queries and batch processing for large volumes of financial data. Designed and developed REST APIs consumed by internal applications. Worked closely with business analysts and international stakeholders to deliver new regulatory and business requirements. Participated in production support, troubleshooting and performance optimization. Collaborated with distributed teams across Europe and Asia within Agile delivery teams. Contributed to code quality through peer reviews, unit testing and continuous integration. Technologies Java • Spring • Hibernate • Oracle • SQL • REST APIs • Maven • Jenkins • Git • Agile • JUnit

Contributed to digital banking initiatives focused on secure online payments and Open Banking services (PSD2 & 3D Secure). Key responsibilities Developed backend services using Java and Spring technologies. Participated in PSD2/Open Banking API development. Contributed to secure payment workflows including 3D Secure authentication. Implemented REST APIs for internal and external banking services. Worked on application security, authentication and authorization mechanisms. Collaborated with cross-functional teams using Agile/Scrum methodologies. Improved application reliability through automated testing and code reviews. Participated in production incident analysis and continuous improvement initiatives. Technologies Java • Spring Boot • Spring Security • REST APIs • OAuth2 • JWT • Angular • Oracle • Maven • Git • Jenkins • Agile

Contributed to the development of a tooling request management platform used to streamline the entire lifecycle of manufacturing tools, from request creation to customer delivery. Key responsibilities Developed full-stack enterprise applications using Java and Angular. Designed and implemented scalable and high-performance RESTful APIs. Built modern, responsive user interfaces focused on usability and operational efficiency. Participated in the digitalization of the tooling request lifecycle, improving traceability, reliability and process efficiency. Implemented automated tests and participated in code reviews to ensure software quality and maintainability. Collaborated with business stakeholders and cross-functional teams to deliver new features in an Agile environment. Contributed to the continuous improvement of application performance and system reliability. Technologies Java • Spring • Angular • REST APIs • SQL • Maven • Git • JUnit • Agile

Développent d'une application pour la gestion des employés de l’entreprise.