Patrick D.

Freelance missions in backend Java / Spring Boot development and business process automation with AI. - Design of automation systems in n8n: lead research and enrichment (Apify, Google Maps), CRM / database integration, cold email sequences with response detection and human handover at the right time. - Integration of LLMs (Claude, OpenAI) for content generation and intelligent message sorting. - Development and refactoring of secure REST APIs (Spring Boot, OAuth2 / JWT), SQL optimization, and Docker deployment. Example: autonomous prospecting tool for a service company — continuous Google Maps scanning, automated contact and follow-up, handover to human only for genuinely interested prospects.

Tech lead / architect Securities Finance Desk & Repo. Complete refactoring of the Nitro application, a monitoring and trading tool on the 4Sight software package using Angular and Java. Implementation of the technical architecture and daily management of 3 developers. General description: The Caceis Luxembourg market making desk wishes to centralize within a single application the various existing tools, which were previously on an old technical stack. A complete rewrite was chosen to take into account Caceis's new processes. Technologies used: Java; JavaScript Maven; Scrum; Jenkins; GIT; Spring Boot; Jira; Ansible; Angular 13; 4Sight, FIX; Python;

Cozati is your new assistant developed to improve your company's productivity by freeing you from time-consuming administrative tasks. Cozati offers the ability to manage all HR workflows: from employee onboarding to career tracking; managing their personal file (centralized management of documents, absences, expense reports, etc.). •Choice of frameworks for the ERP from scratch •Microservice architecture design •Task breakdown and planning •Back office development •Android development •iOS Swift development •Front-end development •Developer support, ensuring code quality. •CV search engine •Production management •Production monitoring and maintenance •Server configuration •Scrum methodologies