Hire the Best App Development Freelancers
in France

More than 3,000 reviews on G2
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Joshua B.

DESHAIES, France

$39/hr
4.9
157 jobs

I'm a passionate developer with 15 years of experience and 10 years as a successful Upwork freelancer. I wear two hats: as a skilled developer, I excel in crafting custom web applications, WordPress websites, and tackling complex challenges. As a Google Helper (Top Contributor) I'm known for my collaborative spirit and ability to explain technical concepts clearly. My expertise spans both backend and frontend development, and I'm proficient in various technologies to deliver the perfect solution for your needs. Highlights: - I work for long-term: my last client was a Norway company developing skill assessment system for governments and education. - Delivered 50+ successful WordPress projects: Partnering with designers and architects, I've crafted high-performing websites that drive results. - SEO expertise: I've conducted and implemented numerous SEO audits and fixes, ensuring your website ranks better in search engines. - Cloud infrastructure: Skilled in setting up and managing systems on Google Cloud and AWS, including email servers, websites, and containerized applications. - Custom solutions: Developed unique solutions like a Fedora disk image for Google Cloud, an ID verification system with AWS AI, WordPress plugins for specific needs, and microphone volume indicator (a complex achievement!), and video conferencing apps using WebM format. - Communication & collaboration: Proven experience leading a development team (3 developers) and fostering a positive communication style with clients. - Security focus: I've proactively identified and reported security vulnerabilities in websites and systems, and even hardened the security of a client Chromium-based browser with C++ code. - Version control mastery: Actively contribute to projects through Pull Requests, code reviews, and using both Git and Mercurial. - Clean and tested code: I prioritize clean, well-commented code, and integrate unit testing whenever possible within client budgets. Additional achievements: - Built Google App Engine apps standard Runtime. - Created a custom code editor for safer code edition. - Integrated with Search Console using Apps Script. - Wrote 20 professional blog content for clients. - Led one of the most active programming communities in France. Let's discuss your project!

  • PHP
  • JavaScript
  • Python
  • Golang
  • MySQL
  • Dart
  • HTML5
  • Java
  • WordPress
  • AI Consulting
  • AI App Development
  • LLM Prompt Engineering
  • Red Hat Enterprise Linux
  • AngularJS
  • Writing
Osamudiamen O.

Rouen, France

$27/hr
5.0
4 jobs

I'm a business-oriented software developer I work with the latest web technologies such as Angular, Ionic, Cordova, jQuery, React, React Native, Node, MongoDB, Firebase, AWS, Wordpress and a lot more. I've been building for the web for 6 years, and would love to utilize all the things I've learned in my career to make you successful in this very fast moving tech field. I am also a dedicated and results-driven professional with experience in customer care services and English tutorship. I specialize in delivering clear communication, personalized support, and practical solutions tailored to individual needs. In customer care, I provide friendly, efficient, and empathetic assistance, handling inquiries, resolving issues, and maintaining positive relationships with clients. I am skilled in active listening, problem-solving, conflict resolution, and maintaining a high standard of professionalism in fast-paced environments. As an English tutor, I support learners of different levels by improving their speaking, listening, reading, and writing skills. My tutoring approach is patient, interactive, and learner-centered, focusing on real-life communication, confidence building, and practical language use for work, travel, and daily life. I am reliable, adaptable, and committed to continuous improvement, with a strong passion for helping people communicate effectively and feel supported.

  • Customer Service
  • Customer Care
  • Social Media Management
  • Call Center Management
  • Email Management
  • Online Chat Support
  • Travel Planning
  • Android App Development
  • Content Rewriting
  • UX & UI Design
  • Figma
  • React Native
  • React
  • PDF Conversion
  • English Tutoring
Max L.

Bergouey, France

$70/hr
5.0
3 jobs

👋 Hi, I’m Max — the developer you’re looking for! I design and build websites, mobile apps, and custom web services. What I bring to the table: • 11 years of experience • Professional, responsive, and easy to work with • The right tech for the right project • Clean, maintainable code • Passionate about what I do — I always give it my best • Broad vision: design, product, business aspects, and more About me: Over the past few years as a freelancer, I’ve worked closely with web and communication agencies looking to meet their clients’ growing demand for mobile and web applications. I also support startups from their earliest stages of development. In 2016, I co-founded Made in Moon, a mobile app agency that brought together a team of expert freelance developers and designers. It was a real success: we generated over 1 million euros in revenue over 4 years, delivering high-performing, well-crafted digital products. In 2024, I returned to freelance under a micro-entrepreneur model to regain flexibility, while still collaborating with my trusted circle of freelance friends. — Looking forward to connecting with you!

  • React Native
  • React
  • Node.js
  • TypeScript
  • Ionic Framework
  • Next.js
  • Vue.js
  • Expo.io
  • GraphQL
  • Strapi
  • JavaScript
  • Progressive Web App
  • Mobile App Development
  • Web Application
  • Full-Stack Development
Muhammad Haseeb T.

Paris, France

$30/hr
5.0
22 jobs

Thank you for considering my profile. I’m a passionate and pragmatic software engineer with 7 years of professional experience, specializing in full-stack development and App development using Microsoft technologies on the backend and JavaScript framework on front-ent. Strong in object-oriented analysis and design and experience with a wide range of front-end and back-end frameworks (see below). Also, being an artist in nature, I have a good sense of design, colors, and usability and can build beautiful and modern interfaces that people love. I can assist in all stages of the software development lifecycle and deliver working software with clean architecture, clean code, and automated tests. I have been working remotely on Upwork for more than 2 year, and within less than a year, I am top rated with 100 percent Job Success Score. ✔ If you never try, you'll never know ✔ I love to convert user requirements into working functionality. ✔ Let's get started. I have experience in different areas of programming and tools. ✔ Server-side apps (Asp.net core, NodeJS) ✔ SPA (Angular, React/Redux) ✔ App development (Xamarin Forms, React-Native) ✔ Unit testing and Integration testing ✔ Cross-platform Xamarin (C#, .NET) apps, ✔ Cross-platform React-Native apps, ✔ Architecture ✔ HTML/CSS ✔ Bootstrap ✔ Support and Maintenance Best regards

  • ASP.NET Web API
  • Entity Framework
  • SQL
  • React
  • NestJS
  • .NET Core
  • Mobile App Development
  • Angular
  • TypeScript
  • Redux
  • Bootstrap
  • ASP.NET Core
  • JavaScript
  • React Native
  • Xamarin
  • Microsoft SQL Server
Enzo C.

Revigny-sur-Ornain, France

$20/hr
5.0
1 jobs

Are you looking for a high-performance website or app that truly converts visitors into clients? I’m your developer! 🚀 Full Stack Web & Application Developer | Freelancer 🌐 Passionate about tech and innovation, I specialize in delivering scalable, efficient, and SEO-optimized digital solutions. What I bring to the table: - Custom website & app development tailored to your business needs - SEO optimization to boost your online visibility and traffic - Proactive technical maintenance & rapid complex bug fixes - Resolving critical issues with clean, maintainable code 🎓 Technical expertise: Languages: HTML, CSS, PHP, JavaScript (ES6+),TypeScript, C#, SQL & NoSQL Frameworks & Libraries: React (web & native), Next.js, Express, NestJS, Flutter, Laravel, Symfony, Bootstrap, jQuery DevOps & Sysadmin: Command line efficiency on Debian Linux, deployment, and system management - Why work with me? - Fast, reliable problem-solving with attention to code quality - Mastery of modern tech stacks and best practices - Focused on performance, scalability & maintainability - Continuous learning mindset to stay ahead in a fast-evolving tech world 💬 Let’s build something exceptional that will grow your business!

  • Application
  • Web Application
  • MySQL Programming
  • Laravel
  • NodeJS Framework
  • TypeScript
  • React
  • React Native
  • Tailwind UI
  • Custom PHP
  • API

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