Freelancer profile translated to English.
Back to original languageAbout Daouda
Software Engineer Full Stack Java / Angular with 5 years of experience in developing SaaS applications and business information systems.
I am involved in the entire software lifecycle: requirements gathering, functional and technical analysis, estimation, design, development, code review, deployment, and production support.
During my experiences at Wezen and Lefebvre Dalloz, I participated in business-intensive projects involving APIs, data processing, customer repositories, and web applications used daily by business users.
My core skills:
Backend & Architecture: Java (8 to 17), Spring Boot, Spring, Hibernate/JPA, REST APIs, modular design.
Frontend Frameworks: Angular (TypeScript), Wicket (Java server-side rendering).
Data: Apache Kafka (Message consumption, production stream processing, monitoring via AKHQ), SQL, Oracle, MySQL, PostgreSQL.
DevOps & CI/CD: Jenkins (Build & Deploy Pipelines), Git, Maven, Tomcat, Linux Environment.
Methodologies: Ticket Management, Estimation, Impact Analysis, Code Review, Requirements Gathering.
I am currently available for Freelance Full Stack Java / Angular or Backend Java / Spring Boot missions.
French
Native or bilingual
English
Fluent
Can work on-site
Paris (up to 50km)
Experience
- LEFEBVRE DALLOZSoftware Engineer Full Stack JavaPUBLISHINGOctober 2024 - February 2026 (1 year and 4 months)Courbevoie, France
- Active participation in business workshops with the Business Analyst for capturing and qualifying end-user requirements for the customer repository and the Sisyphe API. Drafting associated functional documentation.
- In-depth technical analysis and estimation of evolution tickets; defense and validation of estimates with the Business Analyst before entering the development phase.
- Technical lead for a batch: handling evolutions, incident analysis, and support for user teams.
- Global technical impact study and execution of migration for third-party API flows (notably the critical transition from the European VIES API to the Infolegale API) integrating complex business rules for VAT validation.
- Mentoring and skill development for the second developer on the team (who joined later) through the implementation of rigorous code reviews and daily technical support.
- Design and execution of complex multi-operation SQL scripts for mass data migration and modification operations in a production environment, ensuring master data integrity.
- Full management of the CI/CD pipeline (Push, Build, Deploy via Jenkins). Handling critical production security remediation tasks (Log4j migration).
Technical Environment: Java 8, Spring, Wicket, Kafka (AKHQ monitoring), Oracle, Hibernate, Maven, Jenkins, Git, Tomcat. - WEZENSoftware Engineer Full Stack Java / AngularSOFTWARE PUBLISHINGSeptember 2021 - July 2024 (2 years and 10 months)Levallois-Perret, France
- API Architecture & Design: Modeling and development of REST APIs under Spring Boot within a modular architecture divided by business functional domains.
- End-to-end Front-End Development: Design of rich interfaces and implementation of business functionalities with Angular 12, ensuring a fluid and performant connection with backend microservices.
- Performance Optimization: Audit and reduction of API response times, reliability and security of inter-module exchanges to ensure high availability of the SaaS in production.
- Agility & Product Alignment: Close collaboration with Product and UX/UI teams to challenge mockups and iterate quickly in an Agile environment.
- DevOps: Autonomy on the code lifecycle (Build, Automated Deployment via Jenkins, Application Monitoring under Linux).
Technical Environment: Java 16, Spring Boot, Angular 12, Maven, MySQL, Git, Linux, Jenkins, Tomcat. - AXIANSWeb Developer (Apprenticeship)September 2017 - September 2020 (3 years)Pantin, FranceDesign of custom modules and optimization of user experience (UI/UX). Drafting technical documentation, user guides, and preventive maintenance procedures.
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Education
- Software Architecture Expert (Master's degree)Scholanova2020Expert en Architecture Logicielle (Bac+5)
- Application Developer (Bachelor's degree)Scholanova2019Développeur Applicatif (Bac+4)