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I'm Valentin De Oliveira, a Full-Stack Developer based in Grenoble, France, with 2.5 years of experience in Java/Spring Boot and Vue.js, focusing on backend architecture and microservices. I'm open to remote contract missions. I enjoy building scalable backend systems and collaborating across teams to deliver robust software, leveraging Docker, RabbitMQ, MariaDB, and modern frontend frameworks.…

Valentin De Oliveira

Full Stack Developer, Back-End Developer, Front-End Developer, +2

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I'm Valentin De Oliveira, a Full-Stack Developer based in Grenoble, France, with 2.5 years of experience in Java/Spring Boot and Vue.js, focusing on backend architecture and microservices. I'm open to remote contract missions. I enjoy building scalable backend systems and collaborating across teams to deliver robust software, leveraging Docker, RabbitMQ, MariaDB, and modern frontend frameworks.…

Available to hire

I’m Valentin De Oliveira, a Full-Stack Developer based in Grenoble, France, with 2.5 years of experience in Java/Spring Boot and Vue.js, focusing on backend architecture and microservices. I’m open to remote contract missions.

I enjoy building scalable backend systems and collaborating across teams to deliver robust software, leveraging Docker, RabbitMQ, MariaDB, and modern frontend frameworks.

Skills

Experience Level

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

French

Fluent

English

Advanced

Japanese

Advanced

Spanish; Castilian

Intermediate

Work Experience

Full-Stack Engineer at Qapa

December 1, 2023 - Present

Job matching platform with microservice architecture using Java Spring Boot, RabbitMQ, Docker, Vue.js and MariaDB. Re-engineered CSV import feature using batch processing to minimize database calls and configurable parameters, significantly improving performance and code maintainability. Developed archiving system requiring cross-team coordination and integration with existing database architecture. Diagnosed and resolved production issues using Kibana and Grafana for real-time monitoring and log analysis.

Web Consultant Intern at Capgemini

April 1, 2023 - September 1, 2023

Green IT assessment platform for evaluating enterprise sustainability practices with Laravel, Vue.js and PostgreSQL. Implemented OAuth2 authentication system using Passport and Laravel for user and admin roles, managing access token generation, validation, and refresh mechanisms. Developed secure route middleware to enforce role-based access control across Vue.js frontend and Laravel backend. Built email notification system integrated with Mailtrap, configuring environment variables and SMTP settings.

Software Engineer Intern at Pi System Automation

May 1, 2022 - August 1, 2022

Industrial automation and TCP object management system made in C++. Designed and implemented flexible data serialization format in C++ allowing configurable field mapping and multiple storage backends (database, CSV) for TCP object persistence. Authored technical specifications, design documentation, and user guide; iteratively refined requirements throughout development cycle.

Mobile Developer Intern at The Robert Gordon University

April 1, 2020 - June 1, 2020

Java mobile application for partner company. Designed mobile application interface using Adobe XD and implemented Java-based hierarchical navigation system for multi-level data browsing. Presented design solutions to non-technical stakeholders, adapting communication for different audiences throughout agile sprint cycles.