I am a results-driven and meticulous Java Developer with over 15 years of experience designing, developing, and integrating robust, scalable applications in complex environments, including banking, telecom, healthcare, and fintech. I have a strong command of Java (8-21), Spring Boot, Kubernetes, and event-driven architectures. I am adept at DevOps practices, CI/CD pipelines, containerization, and cloud-native applications. I am known for proactive problem-solving, teamwork, and delivering quality solutions under pressure.

Laurent Rosa-Arsene

I am a results-driven and meticulous Java Developer with over 15 years of experience designing, developing, and integrating robust, scalable applications in complex environments, including banking, telecom, healthcare, and fintech. I have a strong command of Java (8-21), Spring Boot, Kubernetes, and event-driven architectures. I am adept at DevOps practices, CI/CD pipelines, containerization, and cloud-native applications. I am known for proactive problem-solving, teamwork, and delivering quality solutions under pressure.

Available to hire

I am a results-driven and meticulous Java Developer with over 15 years of experience designing, developing, and integrating robust, scalable applications in complex environments, including banking, telecom, healthcare, and fintech.
I have a strong command of Java (8-21), Spring Boot, Kubernetes, and event-driven architectures. I am adept at DevOps practices, CI/CD pipelines, containerization, and cloud-native applications. I am known for proactive problem-solving, teamwork, and delivering quality solutions under pressure.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
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Language

French
Fluent
English
Advanced
Spanish; Castilian
Beginner

Work Experience

DevOps Engineer at Banque Pictet, Geneva
December 31, 2024 - July 28, 2025
Led legacy application migration to Kubernetes cloud environment. Implemented security controls for applications and access management. Developed CI/CD pipelines using Bamboo, ArgoCD, GitOps and Jenkins. Created comprehensive technical documentation. Utilized Java, Spring Boot, Kubernetes, Maven, Jenkins, Git, Jira, and SonarQube.
Application Integrator/DevOps at DGNSI (State of Vaud), Switzerland
April 30, 2024 - July 28, 2025
Implemented tax and land registry systems integration, established integration pool and CI/CD pipelines with Jenkins. Developed Java/Spring file transfer platform and batch execution system. Integrated Keycloak OAuth2.0 authentication solutions. Performed OpenShift (Kubernetes) deployments using Ansible. Technologies included Java 8/11/17, Spring ecosystem, Angular 14/16, OpenShift, and Keycloak.
Java/DevOps Developer at Groupe Mutuel, Switzerland
December 31, 2022 - July 28, 2025
Modernized ETL architecture using Talend and Spring Cloud Data Flow. Migrated system to Azure Event-Hub with self-service architecture. Developed Kafka/Confluent streaming pipelines and secure REST APIs with OAuth2/OIDC. Provided L2/L3 incident support and technical documentation. Work involved Azure, AWS, Kafka, Kubernetes, Terraform, IBM MQ, and Angular 14.
Java/DevOps Developer at Horiba Medical
April 30, 2020 - July 28, 2025
Developed OS and applications for hematology analyzers. Implemented automated update systems and ensured GDPR compliance. Migrated to GitLab and enhanced device security. Integrated with Siemens Attelica automated hematology solution. Used Linux, Java Swing, GitLab, and Hibernate technologies.
Java/DevOps Developer at RTE
May 31, 2018 - July 28, 2025
Designed real-time batch processing architecture and implemented solutions based on Spring Batch/Integration with Docker and Kubernetes. Served as technical lead for CI/CD implementation. Utilized Spring ecosystem, Kubernetes, and Hibernate.
Fullstack Developer at Edélia
November 30, 2017 - July 28, 2025
Developed IoT platform with OIDC/SAML security protocols. Created API gateway with versioning management. Implemented Jenkins CI pipelines. Technologies included Java EE 8, OAuth2.0, Apache Camel, and Swagger.
Fullstack Developer at Air France KLM
January 31, 2017 - July 28, 2025
Maintained TravelDB onboarding application and performed evolutionary and corrective maintenance. Utilized Java 5-8, JPA2, Oracle, and IBM MQ.
Fullstack JEE/DevOps Developer at Monaco Telecom
July 31, 2016 - July 28, 2025
Consolidated mobile, fixed, and TV systems into a unified platform. Developed BPM solutions using Activiti and Apache Camel. Created Docker containers and SOAP UI test environments. Technologies included Java EE 6, Spring MVC, Odoo 8, and Docker.
Payment Systems Developer at Verifone France
February 28, 2015 - July 28, 2025
Developed EMV-compliant payment solutions for European markets and maintained payment server components. Worked with ANSI C/C++, Java 6, and embedded systems.
BI Consultant at Metixpert
February 28, 2013 - July 28, 2025
Designed Pentaho-based BI reporting platform and developed data processing solutions using Pentaho, C#, and Oracle PL/SQL.
Payment Systems Architect at Orange Caraïbes
December 31, 2011 - July 28, 2025
Designed SOA architecture for financial/payment systems, developed secure admin portals using JSF, ASP.NET, and Spring. Integrated with banking platforms and IN systems. Technologies used were Java/C++, Oracle, Spring, and Apache CXF.
.NET Developer at Martinique Insertion Agency
August 31, 2011 - July 28, 2025
Implemented SharePoint social aid management platform by developing custom web parts and workflows using SharePoint 2010, C#, and LINQ.
Payment Systems Developer at Orange Caraïbes
December 31, 2009 - July 28, 2025
Led payment system maintenance and CNIL compliance. Redesigned online voucher payment platform using multi-platform technology, Oracle, Java, and C++.
OS Support Developer at Médiaserv
November 30, 2008 - July 28, 2025
Developed SOAP web services for public service delegation and created real-time RADIUS accounting systems using Java EE, Struts, and PostgreSQL.
Certified Trainer at ESI Supinfo
June 30, 2007 - July 28, 2025
Taught Java SE/EE/ME and C++ programming. Developed academic projects and training materials using Java ecosystem, Solaris, and JBoss.
DevOps Engineer at Keyteo S.A (Pictet group)
January 1, 2024 - Present
Migration of Java applications to Kubernetes cloud. Implemented scalable deployment, monitoring, and automation; collaborated with cross-functional teams to define migration strategy and ensure minimal downtime.
Application Integrator at Keyteo S.A
January 1, 2024 - October 15, 2025
Integrator for the Assujettissement team on Red Hat OpenShift ecosystem. Development of integration toolset and connectors to support data exchange for tax and land registry processes.
JAVA Developer/DevOps at Soria S.A. / Groupe mutuel
January 1, 2022 - October 15, 2025
Migrated ETL and data processing applications to an event-driven architecture using Spring Boot, Kubernetes, Kafka and Azure Event Hub; managed inbound/outbound documents and IT-system integration.
JAVA Developer at HORIBA Medical
January 1, 2020 - October 15, 2025
Developed software for hematology analyzers on ARM-based devices; contributed to real-time data processing and device integration.
Lead JAVA Developer at RTE
December 31, 2018 - October 15, 2025
Conception of a real-time data integration system for energy production planning and billing.
Fullstack JAVA Developer at Edelia (JEMS)
December 31, 2017 - October 15, 2025
Developed self-service transversal applications and services platform and IoT hub; delivered REST services and UI components.
JAVA Developer at STA PORTAGE / Air France KLM
December 31, 2016 - October 15, 2025
Maintenance of ETL applications and data pipelines supporting airline operations.
JAVA FULLSTACK Developer at Infotel / Monaco Telecom
January 1, 2016 - October 15, 2025
Migration of customer subscription systems with BPM; implemented DevOps tooling to streamline delivery.
C++, Python and JAVA Developer at STA PORTAGE / Vérifone
January 1, 2015 - October 15, 2025
Development of electronic payment solutions (server, client and embedded components).
Web Service Consultant at STA PORTAGE / ERDF
January 1, 2014 - October 15, 2025
SOA consultant for redesigning customer intervention IT systems.
BI Developer at Metixpert
January 1, 2012 - October 15, 2025
Prototyping and maintenance of Business Intelligence applications.
Sharepoint Architect at ADI Martinique
January 1, 2011 - October 15, 2025
Built a collaborative platform for social aid request workflows.
JAVA Developer at C2I Karaibes / Orange Caraibes
January 1, 2011 - October 15, 2025
Development of web services and electronic payment solutions for servers/POS terminals.
Software Developer at Mediaserv
December 31, 2008 - October 15, 2025
Development of software components for ADSL triple-play IT systems.

Education

Master’s in Computer Science at ESI Supinfo Paris
January 1, 2002 - December 31, 2007
Master's in Computer Science at ESI Supinfo Paris
January 1, 2002 - January 1, 2007
Sun Certified Java Programmer 1.4 at Sun Microsystems
January 1, 2005 - January 1, 2005
SOA Architect Training at C2i Karaibes
January 1, 2011 - January 1, 2011

Qualifications

SOA Architect Training
January 1, 2011 - December 31, 2011
Sun Certified Java Programmer 1.4
January 1, 2005 - December 31, 2005
Sun Certified Java Programmer 1.4
January 1, 2005 - January 1, 2005
SOA Architect Training
January 1, 2011 - January 1, 2011

Industry Experience

Financial Services, Telecommunications, Healthcare, Government, Software & Internet, Professional Services

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
See more