Yoann Sachot | Java Backend and Mobile Developer | Payment Solutions and AI

Profile

Java backend and mobile developer, specializing in payment solutions, fraud, and AML management. I have contributed to critical projects for financial institutions such as Société Générale and LuxHub. As the creator of the Esprit Français application, I combine my technical skills in Java Spring, Docker, and Kubernetes with AI technologies like GPT-4 to design robust and innovative solutions. With my experience in prompt engineering, I am comfortable with integrating complex APIs and scalable microservices architectures. My collaborative and results-oriented approach, supported by Scrum methodologies, enables me to lead projects successfully.

Professional Experience

Mobile Applications Developer - Freelance

Since July 2024
Development of the Esprit Français application aimed at supporting foreigners in their naturalization process by decree in France. The application, developed in Flutter, offers a smooth and interactive interface, with AdMob integration for monetization and in-app purchase functionalities via Google Play Billing.

Mobile Applications Developer - Freelance

March 2024
Creation of an application in Flutter related to a current event, self-training in Flutter, and integration of GPT-4 AI for prompt management and result filtering.

Java Back End Developer - Prompt Engineering - Freelance

January - February 2024
Development of a backend solution for creating videos for social networks, using AI to generate relevant content tailored to user requests. OpenAI text-to-speech and video effects were added.

Java Back End Developer - Prompt Engineering - Freelance

January - February 2024
Development of a backend solution for creating videos on social networks, using AI to verify and adjust data throughout the process.

Java Back End Developer - Prompt Engineering - Freelance

October 2023 - January 2024
Development of an SMS campaign automation solution, integrating AI tools for standardizing heterogeneous data.

Java Back End Developer - Prompt Engineering - Freelance

August 2023 - September 2023
Creation of a fitness-related application integrating a custom GPT connector to standardize API calls to OpenAI.

Java Developer - ING Luxembourg

January 2023 - May 2023
Migration of the document management tool and services to Spring Boot.

Java Developer - LuxHub, Strassen (LU)

August 2021 - December 2022
Development of solutions for fraud management and onboarding new banks to the main application. Using Java 11 and 17, Spring Boot, Docker, and MySQL.

Java Developer - Société Générale Luxembourg

March 2019 - August 2021
Development and maintenance of APIs for AIS/PIS flows related to the PSD2 directive, as well as managing payment methods such as SEPA, ISO20022, and SWIFT.

Java Developer - Société Générale Bank & Trust, Luxembourg

July 2018 - February 2019
Creation of applications for managing order entries related to data from the Multifonds software. Using Java Spring and AngularJS.

Java AEM Developer - CTIE, Luxembourg

July 2015 - July 2018
Development of Java modules for Adobe Experience Manager and implementation of data import scripts. Using AEM, OSGI, Sling, and Sightly.