Freelancer profile translated to English.
Back to original languageAbout Hamerlain
I am a seasoned study and development engineer, with 7 years of experience in Java and Spring Boot. I excel in designing and developing high-performance and scalable web applications, mastering the backend within various architectures. My career has allowed me to develop solid expertise in continuous integration (CI/CD), code quality, and application performance. Thanks to my excellent listening skills, I can interact directly with business stakeholders to understand and address their needs. Accustomed to Agile methodologies (Scrum, SAFe), I have actively participated in strategic projects, particularly in backend development.
French
Native or bilingual
English
Fluent
Can work on-site
Paris (up to 50km)
Experience
- BPCEBack-end DeveloperBANKING AND INSURANCEJune 2024 - September 2025 (1 year and 3 months)A major French banking group pioneered the launch of a cryptocurrency exchange platform for its retail clients. Having obtained its license in early 2024, the group materialized this ambition through a dedicated subsidiary, thus becoming the first "traditional" bank to offer a crypto-asset trading application.As a backend developer, I was part of the founding team of this micro-services project, bringing together around forty TALAN collaborators. Its complexity, due to the integration of multiple dependencies (internal IS, third-party SaaS solutions) and banking regulatory requirements, demands an exceptional level of technical, security, and compliance skills..Tasks• Design and development of the solution• Close collaboration in Agile methodologies (Scrum, SAFe) with Product Owners, DevOps, QA, and development teams.• Support for junior developers• Breakdown of technical tasks, estimation of user stories, code reviews, technical documentation, and product/business demonstrations.• Management of GKE configuration files.• Deployment of micro-services on Google Cloud Platform (GCP) via XL Deploy.• Management of dependencies and versioning of different services.• Design and development of a reusable library module for all micro-services, facilitating the integration of common functionalitiesEnvironment: Spring Boot, Spring Security, JAVA, JPA, Hibernate, Liquibase, GCP, AlloyDB
- HSBCBack-end DeveloperBANKING AND INSURANCESeptember 2022 - May 2024 (1 year and 8 months)Paris, FranceThe project at HSBC involved transferring the insurance simulator from its own information system to that of another bank. To achieve this, the team designed and deployed new micro-services to replicate and improve existing functionalities, while also maintaining the legacy system to ensure operational continuity. Concurrently, we orchestrated the switchover flows between the two environments, paying particular attention to preserving data integrity and implementing a transparent and secure authentication mechanism during the transition between IS.Tasks:• Support for junior developers• Development of Micro-service APIs• Implementation of evolutions and bug fixes in the Legacy system• Setup of CI/CD and deployment across environments (Dev, UAT, OAT)• Breakdown of technical tasks, estimation of user stories, and code review.Environment: Spring Boot, t, Java EJB, JWT, OpenId, Jenkins, Docker, kubernetes, AWS
- EpigoneFullstack Java/Angular DeveloperSOFTWARE PUBLISHINGApril 2022 - August 2022 (5 months)Epicaste is a solution for insurance companies and distributors, such as banks and brokers, who wish to equip their sales teams with sales support tools.Implementation:- Study and estimation of current tasks and future developments- Implementation of the delivery process – code review, CI/CD, etc.- Development and maintenance of various application modules- Development of batch processes: purging and monitoring.- Management of production incidents (analysis and correction).- Functional / Business: Insurance
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Education
- Master 2University of Pau and Pays de l'Adour2018Ce parcours a pour objectif de former des spécialistes, au niveau ingénieur, du génie logiciel, des systèmes distribués dont l'Internet est l'illustration la plus connue, et des réseaux/protocoles comme mécanismes fondamentaux des communications.