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Hello! I'm Julien Theobald, a dedicated Web Developer and Application Designer based in Troyes, France. With qualifications up to Bac +4 and hands-on experience in modern frameworks like React and Symfony, I specialize in developing and maintaining innovative web applications, always focusing on clean code and efficient solutions. I'm passionate about teamwork, creativity, and staying up to date with the latest development and DevOps practices. Aside from coding, I enjoy cycling, playing video games, drawing cartoons, and listening to electro music, which inspire my creative approach to problem-solving and design. I'm organized, punctual, and eager to contribute to projects that challenge and expand my skills while delivering real impact.…Hello! I'm Julien Theobald, a dedicated Web Developer and Application Designer based in Troyes, France. With qualifications up to Bac +4 and hands-on experience in modern frameworks like React and Symfony, I specialize in developing and maintaining innovative web applications, always focusing on clean code and efficient solutions. I'm passionate about teamwork, creativity, and staying up to date with the latest development and DevOps practices. Aside from coding, I enjoy cycling, playing video games, drawing cartoons, and listening to electro music, which inspire my creative approach to problem-solving and design. I'm organized, punctual, and eager to contribute to projects that challenge and expand my skills while delivering real impact.

Julien THEOBALD

Web Developer, Full Stack Developer, Developer, +2

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Hello! I'm Julien Theobald, a dedicated Web Developer and Application Designer based in Troyes, France. With qualifications up to Bac +4 and hands-on experience in modern frameworks like React and Symfony, I specialize in developing and maintaining innovative web applications, always focusing on clean code and efficient solutions. I'm passionate about teamwork, creativity, and staying up to date with the latest development and DevOps practices. Aside from coding, I enjoy cycling, playing video games, drawing cartoons, and listening to electro music, which inspire my creative approach to problem-solving and design. I'm organized, punctual, and eager to contribute to projects that challenge and expand my skills while delivering real impact.…Hello! I'm Julien Theobald, a dedicated Web Developer and Application Designer based in Troyes, France. With qualifications up to Bac +4 and hands-on experience in modern frameworks like React and Symfony, I specialize in developing and maintaining innovative web applications, always focusing on clean code and efficient solutions. I'm passionate about teamwork, creativity, and staying up to date with the latest development and DevOps practices. Aside from coding, I enjoy cycling, playing video games, drawing cartoons, and listening to electro music, which inspire my creative approach to problem-solving and design. I'm organized, punctual, and eager to contribute to projects that challenge and expand my skills while delivering real impact.

Available to hire

Hello! I’m Julien Theobald, a dedicated Web Developer and Application Designer based in Troyes, France. With qualifications up to Bac +4 and hands-on experience in modern frameworks like React and Symfony, I specialize in developing and maintaining innovative web applications, always focusing on clean code and efficient solutions. I’m passionate about teamwork, creativity, and staying up to date with the latest development and DevOps practices.

Aside from coding, I enjoy cycling, playing video games, drawing cartoons, and listening to electro music, which inspire my creative approach to problem-solving and design. I’m organized, punctual, and eager to contribute to projects that challenge and expand my skills while delivering real impact.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Work Experience

Développeur PHP/Symfony at CPAM 13

March 3, 2025 - August 26, 2025

Maintenance and development of PHP/Symfony applications for CPAM 13 including manipulation of PostgreSQL databases.

Concepteur Développeur at Université de Technologie de Troyes

February 27, 2023 - Present

Maintained and developed university applications within the DNUM team. Installed Sentry to monitor bugs in real-time across projects. Containerized applications using Docker. Participated in new projects using Agile SCRUM methodologies including sprint reviews and retrospectives. Managed multiple environments with Gitlab and integrated continuous delivery with Jenkins.

Développeur Web at MARKETING & INNOVATION, Troyes

February 27, 2023 - August 26, 2025

Developed web solutions for TPE/PME clients of the agency. Optimized website SEO and monitored web traffic analytics. Left the position to pursue a change in employer.

Développeur Laravel (Internship) at Atelier Bois & Compagnie, Chaumont

February 5, 2022 - August 26, 2025

Optimized company website by reducing PHP queries using Laravel 8 and Livewire. Managed local development environment using Xampp Server.

Développeur Wordpress (Internship) at TechBox, Metz

July 5, 2021 - August 26, 2025

Created a showcase website using WordPress CMS. Installed and configured hosting with FileZilla. Used Google Page Speed tool for speed and SEO measurement, and contributed to content writing.

Développeur PHP/Symfony at CPAM 13

March 3, 2025 - August 26, 2025

Maintenance and development of PHP/Symfony applications, with database manipulation using PostgreSQL.

Concepteur Développeur at Université de Technologie de Troyes

February 27, 2023 - Present

Maintained and developed university applications within the DNUM department. Installed Sentry for real-time bug notifications. Containerized applications using Docker. Participated in new projects using Agile SCRUM methodology with sprint reviews and retrospectives. Worked across multiple environments (Dev, Release, Prod) using GitLab, implemented continuous integration with Jenkins.

Développeur Web at Marketing & Innovation, Troyes

February 27, 2023 - August 26, 2025

Developed web solutions for TPE/PME clients, optimized natural referencing (SEO) of agency-managed websites, and monitored website audiences.

Développeur Laravel (Stage) at Atelier Bois & Compagnie, Chaumont

February 5, 2022 - August 26, 2025

Optimized company website by reducing PHP requests. Used Laravel 8 and Livewire extension. Managed Xampp server to generate site links.

Développeur Wordpress (Stage) at TechBox, Metz

July 5, 2021 - August 26, 2025

Created a showcase website using WordPress CMS. Installed the site on a hosting server using FileZilla. Used Google Page Speed to measure site speed and SEO performance.