Xavier COLL

Fullstack Developer
Paris, FR.

About

Highly motivated Fullstack Developer with a unique background in social sciences and commerce, transitioning to web development in 2021. Self-taught and entrepreneurial, I founded a company to build and launch a web application, demonstrating strong initiative and a holistic understanding of product development. Eager to leverage comprehensive skills in modern web technologies, API development, and responsive design to contribute to innovative projects in a dynamic tech environment.

Work

Wallpit
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Cofounder and Developer

Paris, Île-de-France, France

Summary

Led the full-stack development of a strategic turn-based video game, leveraging modern web technologies to deliver an engaging user experience and robust backend functionality.

Highlights

Architected and developed a strategic turn-based video game from conception to prototype, integrating a responsive React front-end with a scalable NodeJS and Typescript backend.

Implemented real-time communication features using Socket.IO, enhancing interactive gameplay and multi-player dynamics.

Managed the entire software development lifecycle, including design, coding, testing, and deployment, ensuring technical performance and product viability.

Self-Employed
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Freelance Web Developer

Paris, Île-de-France, France

Summary

Designed and developed custom websites and web applications for diverse businesses and associations, delivering tailored digital solutions.

Highlights

Delivered bespoke web solutions for various clients, encompassing responsive design and robust back-end functionalities to meet specific business needs.

Managed end-to-end project cycles from client consultation and requirements gathering to final deployment and post-launch support.

Utilized a range of web technologies to create effective online presences, improving client visibility and operational efficiency.

COPPELIS
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Developer/Tester of Web Solutions (Apprenticeship)

Paris, Île-de-France, France

Summary

Contributed to the development and quality assurance of a web-based mapping solution, enhancing features and developing C# web services.

Highlights

Developed and integrated new features for a web-based mapping solution, significantly improving user functionality and data visualization capabilities.

Designed and implemented robust web services using C# to support critical business operations and facilitate efficient data exchange.

Conducted comprehensive testing of enterprise solutions, identifying and resolving software defects to ensure high quality and reliability of the platform.

Market Vendor
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Vendeur au marché

Joinville-le-Pont, Île-de-France, France

Summary

Managed daily sales operations and customer interactions in a dynamic market environment, ensuring efficient service and product presentation.

Highlights

Handled daily sales transactions and managed inventory, ensuring product availability and efficient customer flow.

Developed strong interpersonal and communication skills through consistent direct engagement with a diverse customer base.

Maintained high standards of product display and cleanliness, contributing to a positive customer experience.

Education

Openclassrooms
Paris, Île-de-France, France

Professional Training

Web Development

Courses

Website creation from a mockup

Mobile application development with SCSS and animations

Website SEO improvement project

E-commerce website dynamization with JavaScript

API development with NodeJS backend

Responsive React front-end application development

Ecole IRIS
Paris, Île-de-France, France

BTS

IT Services for Organizations (SIO)

ICP
Paris, Île-de-France, France

Licence

Social Sciences

Languages

English
French

Skills

Frontend Development

HTML, CSS, JavaScript, TypeScript, React, Redux-toolkit, SCSS, Responsive Design.

Backend Development

NodeJS, Express.js, C#, APIs, JWT, Bcrypt, Web Services.

Databases

MongoDB, Mongoose, NoSQL Databases.

Tools & Libraries

Axios, Socket.IO, Git, GitHub.

Core Competencies

Fullstack Development, Web Application Development, Performance Optimization, Website Maintenance, SEO Improvement, API Design, Problem-Solving, Project Management.

Interests

Music

Rock, Hip-hop, Funk, Classical.

Hobbies

Video Games, Football.