Freelancer profile translated to English.
Back to original languageAbout Eric
Eric Marchand – Senior Java/Spring Back-End Developer +20 years of experience
Back-end developer and architect with over 20 years of experience, including 16 as a freelancer, I support companies in the design, development, and optimization of their critical applications. My expertise extends to complex projects in the banking/insurance, e-commerce, telecommunications, and public sectors.
Key Skills:
Languages: Java (8 to 17), Python, TypeScript, JavaScript.
Frameworks: Spring Boot, Spring Data, Hibernate, Spring WebFlux (reactive).
API & Microservices: RESTful API design, microservices architectures, Kafka.
Databases: MySQL, PostgreSQL, Oracle, MongoDB.
DevOps: Docker, Kubernetes, CI/CD with Jenkins and GitLab CI.
Testing & Quality: JUnit, Mockito, TDD, clean code, craftsmanship best practices.
Approach and Know-how:
I develop high-performance, scalable solutions tailored to your needs.
I am committed to a quality approach with well-established processes (testing, documentation).
Accustomed to working in Agile/Scrum, I collaborate effectively with multidisciplinary teams.
Some Key Experiences:
Ministry of Justice: Development of a Spring Boot back-end application, SQL optimizations, and data security.
GLS: Development of microservices with Spring WebFlux, integration, and refactoring of modern architectures.
Société Générale: Design and development of a SOAP webservice engine for critical data flows.
Why work with me?
Proven technical expertise: Strong mastery of modern back-end development and architecture tools.
Complex problem-solving: Design of robust and innovative solutions adapted to your objectives.
Flexibility and commitment: Available for remote work or occasional travel, with a genuine commitment to the success of your projects.
French
Native or bilingual
English
Fluent
Remote only
Primarily works remotely
Experience
- DARTYJava/JEE DeveloperOctober 2014 - June 2015 (8 months)93170 Bagnolet, FranceDevelopment of the Label application for producing price labels during sales. Development of REST webservices with Jersey and implementation of the front office under AngularJS. Development of DAOs under JDBI. JDK 7.0, DB2, ECLIPSE, GIT, SQL, DROP WIZARD, MAVEN, JERSEY, JACKSON, ANGULARJS
- DOCAPOSTJava/JEE DeveloperJune 2014 - October 2014 (4 months)Paris, FranceDevelopment of the standalone engine for the See&Track application, which tracks mail stuffing at DOCAPOST DPS, a subsidiary of La Poste. Development of probes (milestones) and acceptance testing of the dematerialization part. Development of SQL queries for MySQL, InnoDB engine. JDK 6.0, MYSQL, ECLIPSE, SVN, SQL
- ECO MANAGERSCo-founder & Chief Technology OfficerApril 2013 - June 2014 (1 year and 2 months)Paris, FranceCompany creation, creation of the website http://www.cuisines-collectives.com in PHP, Javascript, Bootstrap, creation of commercial distribution materials. Design of the architecture and development under JavaFX of the cost calculation and management application for gastronomy professionals. JAVAFX, JDK 8.0 early releases, DERBY DB, JASPER REPORT, PRESTASHOP, ECLIPSE, SVN, REST WEBSERVICES, SQL
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Education
- Self-training in AI on LLMs - Transformers models2025Auto-formation en IA sur les LLM - modèles Transformers
- PolyexpertSPLUNK Company2017Polyexpert