Mathieu Lopes
Mathieu Lopes
Software Engineer | Full-Stack Developer | Freelance
I'm a passionate software engineer with over 10 years of experience, specializing in building modern web applications. As the founder of Mathieu42, I help businesses transform their ideas into reality with clean, efficient, and scalable code.
My approach combines technical excellence with a deep understanding of user experience, ensuring every project delivers both functionality and and delight. I am available for both short and long-term projects, committed to building robust and high-performance digital solutions.
💼 What I Do
I build high-performance web applications, custom software, and efficient APIs using modern technologies. My services include:
- Web & Mobile Development: From front-end interfaces to back-end logic.
- Technical Consulting: Expert advice on architecture and technology choices.
- Maintenance & Optimization: Ensuring your applications are fast, secure, and reliable (server, SEO).
- Automation & AI Solutions: Integrating intelligent solutions to streamline processes.
💻 Technical Expertise
| Category | Skills |
|---|---|
| Languages & Frameworks | Next.js (Expert), Laravel (Expert), PHP (Expert), HTML/JS/CSS (Expert), React Native (Advanced), Node.js (Advanced), TypeScript (Advanced), Python (Intermediate), Go (Intermediate) |
| Databases | SQL (Advanced) |
| Tools & Platforms | Git (Advanced), WordPress (Advanced), API Rest (Advanced), Algorithms (Expert) |
| Specializations | SEO (Advanced), Servers (Intermediate) |
✨ Why Choose a Senior Developer?
Beyond the code, choosing a full-stack developer with 10 years of experience means investing in performance, reliability, and peace of mind for your projects.
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Autonomous from Day One – Thanks to my seniority, I integrate quickly into your projects. I solve problems faster, avoid common pitfalls, and deliver high-quality work on optimized timelines — turning your investment into both time and cost savings. |
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Fast Resolution of Technical Challenges – My career has given me a deep understanding of both technical and business-related issues. I've handled a wide range of use cases, enabling me to anticipate challenges and offer solutions that are both proven and innovative. |
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As an expert in Next.js, Laravel, and other modern technologies, I build robust, high-performance, and scalable applications, tailored to your needs. |
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My commitment to code quality ensures reliable, maintainable, and high-performing applications in the long run — reducing future maintenance costs and minimizing the risk of bugs or downtime. |
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I work independently, manage my tasks efficiently, and take initiative to keep the project moving forward. My proactive approach frees you from the need for constant oversight, so you can stay focused on your core business. |
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Beyond technical development, I bring a product-oriented mindset — taking into account user experience (UX) and your business goals. I offer guidance on architecture and technical choices that help maximize your product's impact. |
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As a freelancer, I adapt to your specific needs — whether it's a one-off task, strategic reinforcement, or a long-term partnership — offering flexibility that traditional hiring can't always provide. |
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Transparent communication, clear contracts, commitment to deadlines, and regular reporting — all ensure a solid and reliable partnership. For complete peace of mind, my work is covered by Professional Liability Insurance. |
🌐 Let's Connect
| Website | https://mathieu42.com |
| contact@mathieu42.com | |
| https://www.linkedin.com/in/mathieu42 | |
| GitHub | https://github.com/MathieuLopes |
| GitLab | https://gitlab.com/MathieuLopes |
| Stack Overflow | https://stackoverflow.com/users/5885817/mathieu42 |
| https://www.instagram.com/mathieu_42_42 | |
| Gravatar | https://gravatar.com/mathieu42profile |
Personal projects
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About
Passionate Senior Software Engineer with 10+ years of experience. I specialize in Laravel, Next.js, PHP and JavaScript, helping businesses turn their ideas into high-performance, optimized web applications, custom software, and APIs.