Thomas Gil
Fullstack web developer
About
Are you looking for a React/Next.js developer? You've come to the right place. I am a software engineer with over 6 years of experience and a specialist in React/Next.js development. I have worked in a variety of industries, including medical diagnostics and wholesale. I have collaborated with companies such as Intégrative Phenomics, Campa Socodicor, and BPI France. I am able to: - Design and develop user interfaces tailored to business needs - Contribute to the drafting of detailed technical specifications - Integrate artificial intelligence and automation solutions - Develop and maintain features in JavaScript/TypeScript using React and Next.js. - Implement software architectures such as Clean Architecture - Set up CI/CD - Write technical documentation - Test and optimize the application to ensure an optimal, bug-free user experience. - Participate in refactoring, continuous improvement, and code reviews. I also have knowledge of: NestJS, Python, FastAPI, Redux, Tanstack Query, OpenAI API, TDD, BDD. I also place great importance on transparency with my clients. I send a daily report to my clients at the end of the day detailing all the tasks I have completed. Do you have a project? Contact me: thomas.gil.dev@gmail.com 07.62.50.70.97 https://calendly.com/tgil849/new-meeting?back=1---React Web Developer, React.js Developer, React Developer, ReactJS Developer, React.js Front-End Developer, React JS Front-End Developer, React.JS Front-End Developer, Software Engineer, Development Engineer, Software Engineer, Software Developer, Freelancer, Freelance, Contractor, Female Software Engineer, Senior Lead Developer, Senior Developer Technical Lead, Development Specialist, Lead Application Developer, Lead Software Engineer, Business Application Developer, Web Application Developer, IT Application Developer, Senior Developer, Freelance Software Engineer, Freelance Senior Consultant, IT Software Developer, Web Developer (IT), Application Developer, Software Development Specialist, Application Developer, Development Engineer, Web Developer, Senior Web Application Developer, IT Developer, React Developer, Frontend, Front End, Full Stack EngineerTranslated with DeepL.com (free version)
France
Paris
Computer Software
Développement Frontend, Design graphique, revues de code, NoSQL, Visualisation de données, génération pdf, Développement de produits, Optimisation, Revue de code, Tailwind CSS, Conception web réactive, Conception de pipeline, Redux Thunk, Reconnaissance optique de caractères, Authentification, Extraction de données, Prisma ORM, PostgreSQL, Intelligence artificielle (IA), Préparation de devis
Experience

Fullstack web developer
SOCODICOR
France
Socodicor is a purchasing cooperative for agricultural machinery and equipment founded in 1983. Its goal is to provide its members with a wide range of agricultural equipment. In 2024, SOCODICOR generated €114 million in revenue. The company has approximately 19 employees and operates as a public limited company (SA). I joined the development team to create a smart document management system capable of automating data ingestion, extraction, and validation. The team consisted of 1 lead developer, 1 developer, and 1 Product Owner. My responsibilities: - Implementing an automated pipeline for document processing. Supplier emails are retrieved via IMAP, stored on S3, and indexed for full-text search. - Design and development of an OCR-based document processing engine to automatically extract data from PDFs (quotes, credit notes, invoices), with a configurable rule system per supplier to define the fields to retrieve and their processing method. - Development of a real-time tracking system for the OCR pipeline to monitor processing progress and identify anomalies. - Clean Architecture-oriented design with automated testing (TDD, Vitest, Redux Toolkit). I contributed to the following improvements: a reduction of approximately 90% in manual data entry time; over 5,000 documents processed automatically per month without human intervention + over 600,000 archived documents. Technical Background: Next.js, Nest.js, AWS Textract, Tanstack Query, Redux, TypeScript, CoreUI, AWS S3, IMAP, SSE, Clean Architecture, TDD, Vitest, Redux Toolkit. ------- React web developer, React.js developer, React developer, ReactJS developer, React JS front-end developer, React JS front-end developer, React.JS front-end developer, software engineer, software development engineer, software engineer, software developer, freelance, independent, software engineer, Development Engineer, Software Engineer, Software Developer, Freelancer, Freelance, Independent, Male Software Engineer

Fullstack trainer React / Node.js
France
O'clock is an edtech company dedicated to training web and full-stack developers through innovative blended learning formats, with the goal of helping them quickly transition into the workforce. The company has 100 to 199 employees (2023 data), was founded in 2019, and has trained several thousand professionals. I joined the technical team to participate in the design, development, and optimization of web applications within the context of real-world, collaborative projects. The team consisted of senior developers, technical coordinators, and junior developers in training. My responsibilities: - Developing and leading advanced modules in React, Node.js, Redux, modern JavaScript, and related frameworks (Svelte, etc.) for scalable applications. - Technical supervision of concrete team projects, implementing professional best practices (code reviews, CI/CD, deployment on Netlify). - Conducting detailed code reviews and optimizing front-end/back-end architectures to ensure quality and performance. - Adapting and evolving technical components based on project needs and field feedback. I contributed to the following results: - 87.2% overall satisfaction among more than 300 learners. - 80% success rate for professional certification - 83% employment rate within 2 years. Here is the link to my client’s website: www.oclock.io. Technical stack: React, Svelte.js, Node.js, Directus, JavaScript, HTML, CSS, Web accessibility, EJS, Redux, Vitest, Netlify, CI/CD. --- React Web Developer, React.js Developer, React Developer, ReactJS Developer, React.js Front-End Developer, React JS Front-End Developer, React.JS Front-End Developer, Software Engineer, Development Engineer, Software Engineer, Software Developer, Freelancer, Freelance, Independent, Software Engineer, Senior Lead Developer, Senior Developer Technical Lead, Development Specialist, Lead Application Developer, Lead Software Engineer, Business Application Developer, Web Application Developer

Javascript trainer
France
3W Academy is an edtech company that aims to provide training in advanced JavaScript, React, and web development through intensive, professional bootcamps. The company has 10 to 19 employees (recent data), was founded in 2012, and generates revenue of approximately €6.7 million (2022–2023 data), with over 9,300 alumni since its inception. I joined the technical team to help structure and develop modern applications in an advanced environment. The team consisted of front-end developers and technical trainers. My responsibilities: - Designing and implementing advanced hands-on exercises in React and JavaScript for scalable front-end architectures. - Sharing and applying best practices in architecture and the structuring of professional applications. - Facilitating group code review sessions and providing individual optimization guidance for development work. I contributed to the following developments: - Guiding an entire cohort toward skills aligned with enterprise standards in modern front-end development. Here is the link to my client’s website: www.3wa.fr. Technical context: React, advanced JavaScript, Node.js, front-end architecture. --- React Web Developer, React.js Developer, React Developer, ReactJS Developer, React.js Front-End Developer, React JS Front-End Developer, React.JS Front-End Developer, Software Engineer, Development Engineer, Software Engineer, Software Developer, Freelancer, Freelance, Independent, Software Engineer, Senior Lead Developer, Senior Developer Technical Lead, Development Specialist, Lead Application Developer, Lead Software Engineer, Business Application Developer, Web Application Developer, IT Application Developer, Senior Developer, Freelance Software Engineer, Freelance Senior Consultant, IT Software Developer, Web Developer (IT), Application Developer, Software Development Specialist, Application Developer, Development Engineer, Web Developer, Senior Web Application Developer, IT Developer, React Developer, Frontend

React web developer
Integrative Phenomics is a company in the medical diagnostics sector that aims to provide B2B and B2C solutions for microbiome analysis for healthcare professionals and individuals. The company is a startup with approximately 6 employees. I joined the development team to help build web applications for data analysis and visualization. The team consisted of 2 developers, 1 data scientist, 1 nutritionist, 1 PM, and 1 graphic designer. My responsibilities: - Development of two web applications for data analysis and visualization (Next.js, Supabase, D3.js) + a showcase website. - Design of complex scientific dashboards and automated generation of PDF reports. - Development of a back-end system (Firebase) and a showcase website with a dynamic SEO blog. - API integration and collaboration with the back-end team. - Collaboration with the product teams. - Contribution to front-end architecture and technical decisions. I contributed to the following improvements: a reduction of approximately 70% in analysis time for nutritionists. Here is the link to my client’s website: www.integrative-phenomics.com. Technical stack: Next.js, Supabase, JavaScript, HTML, TailwindCSS, Shadcn, Redux, Vitest, Git, GitHub, D3.js, Firebase, SEO. --- React Web Developer, React.js Developer, React Developer, ReactJS Developer, React.js Front-End Developer, React JS Front-End Developer, React.JS Front-End Developer, Software Engineer, Development Engineer, Software Engineer, Software Developer, Freelancer, Freelance, Independent, Software Engineer, Senior Lead Developer, Senior Developer Technical Lead, Development Specialist, Lead Application Developer, Lead Software Engineer, Business Application Developer, Web Application Developer, IT Application Developer, Senior Developer, Freelance Software Engineer, Freelance Senior Consultant, IT Software Developer, Web Developer (IT), Application Developer, Software Development Specialist, Application Developer, Development Engineer, Web Developer

React web developer
IFTB
France
IFTB is a company in the professional training sector that aims to offer specialized training in crypto-finance professions through a presentation and registration platform. The company is a small organization (founded around 2022), with a focus on conversion and online education. I joined the development team to help build a presentation and registration platform. The team consisted of the CTO and myself. My responsibilities: - Developing a Next.js application with Chakra UI. - Implementing a consistent, responsive, and conversion-oriented design system. - Rapid delivery under tight deadlines. I contributed to the following developments: launching a responsive platform optimized for conversion. Here is the link to my client’s website: www.ecolecrypto.fr. Technical context: Next.js, Chakra UI, responsive design, SEO. --- React Web Developer, React.js Developer, React Developer, ReactJS Developer, React.js Front-End Developer, React JS Front-End Developer, React.JS Front-End Developer, Software Engineer, Development Engineer, Software Engineer, Software Developer, Freelancer, Freelance, Independent, Software Engineer, Senior Lead Developer, Senior Developer Technical Lead, Development Specialist, Lead Application Developer, Lead Software Engineer, Business Application Developer, Web Application Developer, IT Application Developer, Senior Developer, Freelance Software Engineer, Freelance Senior Consultant, IT Software Developer, Web Developer (IT), Application Developer, Software Development Specialist, Application Developer, Development Engineer, Web Developer, Senior Web Application Developer, IT Developer, React Developer, Frontend, Front End, Full Stack Engineer

React frontend developer
Quintyss limited
Quintyss Limited is a software development company dedicated to providing a proprietary CMS that includes a rich, customizable content editor. The company is a small organization with approximately four employees. I joined the development team to help integrate an advanced editor into a custom CMS. The team consisted of 1 lead, 2 developers, and 1 PM. My responsibilities: - Development of an advanced editor based on TinyMCE and Draft.js. - Management of secure media uploads via AWS S3 and a protected API. - Integration of complex content (videos, tables, custom components). I contributed to the following developments: implementation of a highly customizable CMS with secure storage. Here is the link to my client’s website: https://quintyss.com/. Technical context: Next.js, TinyMCE, Draft.js, Git, AWS S3, HTML, CSS. --- React Web Developer, React.js Developer, React Developer, ReactJS Developer, React.js Front-End Developer, React JS Front-End Developer, React.JS Front-End Developer, Software Engineer, Development Engineer, Software Engineer, Software Developer, Freelancer, Freelance, Independent, Software Engineer, Senior Lead Developer, Senior Developer Technical Lead, Development Specialist, Lead Application Developer, Lead Software Engineer, Business Application Developer, Web Application Developer, IT Application Developer, Senior Developer, Freelance Software Engineer, Freelance Senior Consultant, IT Software Developer, Web Developer (IT), Application Developer, Software Development Specialist, Application Developer, Development Engineer, Web Developer, Senior Web Application Developer, IT Developer, React Developer, Frontend, Front End, Full Stack Engineer

Javascript Developer
France
Bpifrance is a financial services company dedicated to financing and supporting businesses at every stage of their development through loans, guarantees, and equity investments. The company employs approximately 5,000 people, was founded in 2012, generates revenue of €2.2 billion, and has received numerous awards for its role in innovation and exports. I joined the development team to work on an institutional product with high stakes in terms of accessibility and compliance. The team consisted of 1 developer and 1 designer. My responsibilities: - Development of multilingual account creation and authentication pages. - Implementation compliant with WCAG 2.1 standards. - Deliberately minimalist tech stack: vanilla JavaScript, HTML, CSS, with high quality standards. I contributed to the following developments: deployment of a multilingual authentication interface compliant with accessibility standards. Here is the link to my client’s website: www.bpifrance.fr. Technical context: JavaScript, HTML, CSS, I18N, WCAG 2.1, accessibility. --- React Web Developer, React.js Developer, React Developer, ReactJS Developer, React.js Front-End Developer, React JS Front-End Developer, React.JS Front-End Developer, Software Engineer, Development Engineer, Software Engineer, Software Developer, Freelancer, Freelance, Independent, Software Engineer, Senior Lead Developer, Senior Developer Technical Lead, Development Specialist, Lead Application Developer, Lead Software Engineer, Business Application Developer, Web Application Developer, IT Application Developer, Senior Developer, Freelance Software Engineer, Freelance Senior Consultant, IT Software Developer, Web Developer (IT), Application Developer, Software Development Specialist, Application Developer, Development Engineer, Web Developer, Senior Web Application Developer, IT Developer, React Developer, Frontend, Front End, Full Stack Engineer

Fullstack web developer
France
CHRYSOMELE PODOLOGIE is a healthcare company dedicated to providing podiatry services through a specialized practice. The company is a small business with just a few employees. I joined the team as a freelancer to help create a showcase website. The team consisted of the client and myself. My responsibilities: - Creating the website using WordPress with an integrated blog. - Customization using Elementor and basic SEO optimization. - Training the client to ensure full autonomy in content management. I contributed to the following outcomes: launching an SEO-optimized showcase website with client autonomy. Here is the link to my client’s website: https://podologues-des-bruyeres.fr/. Technical context: WordPress, Elementor, CSS, SEO. --- React Web Developer, React.js Developer, React Developer, ReactJS Developer, React.js Front-End Developer, React JS Front-End Developer, React.JS Front-End Developer, Software Engineer, Development Engineer, Software Engineer, Software Developer, Freelancer, Freelance, Independent, Software Engineer, Senior Lead Developer, Senior Developer Technical Lead, Development Specialist, Lead Application Developer, Lead Software Engineer, Business Application Developer, Web Application Developer, IT Application Developer, Senior Developer, Freelance Software Engineer, Freelance Senior Consultant, IT Software Developer, Web Developer (IT), Application Developer, Software Development Specialist, Application Developer, Development Engineer, Web Developer, Senior Web Application Developer, IT Developer, React Developer, Frontend, Front End, Full Stack Engineer
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