Freelancer profile translated to English.
Back to original languageAbout Roman
Welcome to my profile!
I'm Roman, aFull Stack Mobiledeveloper withover 5 years of experience**. I specialize in JavaScript technologies. My expertise lies in both **front-endand **back-end development**, allowing me to assist you in designing a technical architecture tailored to your project's needs and in its development.
My key skills:
- Mobile application development with React Native and Expo.
- Web application development with React.js
- Back-end application development with Nest.js
- Use of TypeScript to ensure code quality and effective long-term maintenance.
- Deployment of your projects, implementation of CI/CD.
- Design of modern UI/UX interfaces ensuring the best possible user experience.
- Intervention on your existing programs to correct or improve.
Rigorousand passionate, I bring my technical expertise toadviseyou in bringing your ideas to life.
With 7 years of experience in technologies such as React Native, I have acquired a solid mastery, particularly in **performance optimization**.
Having worked as alead developerand alsobeen in charge of the designand development of **various projects**, these roles have allowed me to acquire a very complete set of skills.
Do you have a project? The quote is free, don't hesitate to contact me, it will be a pleasure!
French
Native or bilingual
English
Fluent
Remote only
Primarily works remotely
Experience
- Class8Fullstack DeveloperTRANSPORTATIONOctober 2025 - Today (10 months)Development of a new DVIR (Driver Vehicle Inspection Report) feature from end to end, including API design, CRUD operations, PDF generation, and offline support.Implementation of part of the DVIR workflow as well as interfaces in both the mobile application (drivers) and the web application (carriers).Added error tracking with Datadog in the mobile application.Fixed issues in the mobile application and contributed to pull request reviews.Mobile application: React Native, TypeScript, Expo, DrizzleDBWeb application: React, Next.js, TypeScriptBack-end: Nest.js, TypeScript, RabbitMQ, Docker
- KividFullstack Architect & DeveloperHEALTH AND WELLNESSJuly 2024 - September 2025 (1 year and 2 months)- Design of the technical architecture of the project, data storage, and programs with their technologies- Development of the GraphQL API from scratch with Node.js, NestJS, Prisma, and TypeScript- Setup of a database with PostgreSQL- Development of the mobile application from scratch with React Native and TypeScript- Dockerization of applications and deployment, pipeline via GitHub Actions- Data migration to the new database
- MayooFullstack Architect & DeveloperRESTAURANTS AND FOOD SERVICEMay 2023 - June 2024 (1 year)- Design of features, organization of sprints, and testing phase- Design of the technical architecture of the project, data storage, and programs with their technologies- Development of the REST API from scratch using microservices with NodeJS, NestJS, Prisma, and TypeScript- Setup of a database with PostgreSQL- Development of the web application from scratch with React and TypeScript- Development of the mobile application from scratch with React Native and TypeScript- Dockerization of applications and deployment
Reviews
R
Raphael
LATEAM AI
Reviewed on 7/14/2022
Roman perfectly took over our existing application and adapted very well to our methodology to complete his mission on time.
Antoine
Snoop Media
Reviewed on 8/19/2022
Recommendations
FU
+1
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Education
- Degree pursued: Expert in Information TechnologyEPITECH2020Durant les trois premières années étude poussée des langages : C, C++, C# Quatrième année à Beijing (BJTU) - Auto-formation
- Master of Software EngineeringBeijing Jiaotong University2019Dans le cadre d'une année à l'étranger, obtention d'un double diplôme. - Logiciel : architecture, développement - IA - Jeux vidéo - Architecture micro services