Freelancer profile translated to English.
Back to original languageAbout Marius
Full-Stack Developer Java / Spring Boot & React / TypeScript.
I design robust, tested, and production-ready web applications, from database schema to interface component.
Preferred Stack
Back-end : Java • Spring Boot • Mockito
Front-end : React • TypeScript • Material UI / Tailwind / Shadcn • Jest
Databases : PostgreSQL • MySQL • MongoDB • Prisma
Cloud & DevOps : AWS • Terraform • Ansible • Docker / Kubernetes k3s • GitLab Pipeline / GitHub Actions • Grafana / Prometheus
Recent Achievements
HexaCoffre (2023 - 2025) – Spring Boot + React business portal for municipal police; modernization of the Android app (Java → Kotlin); technical support for two interns (code reviews, daily support)
YourJob (2025) – React / TypeScript Front-end developed from scratch for a job search platform; pixel-perfect integration of mockups and creation of a reusable component library.
Igaar (2024 - currently) – Spring Boot API coupled with Go / Flask microservices (PostgreSQL, Redis) for an AI video surveillance solution; automated alerts via AWS SQS / SNS / SES and containerized deployment.
Subclic (2023) – Public gRPC API under Ruby on Rails; writing automated tests and active participation in Agile / Scrum rituals.
What I bring to a mission
End-to-end Java / React development with automated tests and clear documentation.
Continuous integration & deployment via GitLab CI or GitHub Actions, infrastructure described in Terraform.
Knowledge transfer: benevolent code reviews, implementation of standards, and mentoring of junior profiles.
Availability : Paris on-site / remote / freelance.
French
Native or bilingual
English
Basic
Can work on-site
Paris (up to 30km)
Experience
- Digital ExpressFreelanceJanuary 2025 - March 2025 (2 months)Aix-en-Provence, France• Development of the front-end for a job search web application• Complete project initialization with React and TypeScript• Application of SOLID principles• Pixel-perfect integration of provided UI mockups• Creation of reusable components, performance optimization• Direct collaboration with the client for functional product adjustment
- IgaarCo-founderSeptember 2024 - Today (1 year and 11 months)Aix-en-Provence, France• Development of an intelligent video surveillance application for businesses, connected to an AI engine detecting critical incidents (intrusions, fires, anomalies)• Development of a REST API (Spring Boot, PostgreSQL, Redis) and specialized microservices (Go for video, Flask for AI)• Use of WebSockets for real-time synchronization• AWS integration (SQS, SNS, SES) for alerts and notifications• Cross-service technical coordination and application of DevOps, SOLID, and Clean Architecture best practices• Transversal responsibilities related to the co-founder role: project management, team coordination, strategic technology choices
- HexaCoffreFull Stack DeveloperDecember 2023 - Today (2 years and 8 months)Marseille, France• Modernization of an Android armament management application used by several municipal services (Java / XML)• Corrective and evolutionary maintenance, coordination with hardware suppliers• Development of Opsoweb, a web business application (Spring Boot, React) for municipal police forces• Participation in technical design, occasional supervision of interns• Close collaboration with business teams, management of priorities and deliverables
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Education
- Master 2Epitech2022
Certifications
- AWS Cloud PractitionerAWS2024