Kevin Rousseau
Full-stack Engineer
Salary / Daily rate
Paris, France
Mobility: San Francisco, New York, ...
Freelance, open to permanent contract
Remote only
Skills
Languages
About me
Intro
TypeScript Full-stack engineer with expertise in Node.js, TypeScript, and React. Built and scaled my startup to 13k users and €40k ARR. Previously led development at KRNO as a full-stack engineer. Proven track record in building scalable web applications with advanced features an AI engineering techniques.
Work experience
Founder and main engineer
VoiceCheap
Jan 2024 - Present
2 years 10 months
Paris · On-site
VoiceCheap now boasts over 12,000 users, 15k translated videos ans 40k ARR. It is used by many companies and content creators with over 100k subscribers. The application was designed by myself from the ground up, using technologies such as FFMPEG, TypeScript and Node.js. The translation engine was recently released as open-source. It uses various AI models, including LLM, TTS and STT, coupled with optimization techniques such as Prompt Engineering and fine-tuning.
Full-stack Engineer
KRNOFreelance
Oct 2024 - Jun 2025
9 months
Paris, France
Complete front-end development of the KRNO web application with Next.js, TypeScript and Tailwind CSS, ensuring an intuitive, high-performance user interface. Active participation in back-end development with Node.js and advanced AI integration. Implementation and optimization of prompt engineering solutions, exploiting the latest AI models to power and improve KRNO's services. Management of cloud infrastructure and deployments via AWS. Supervision and support of a trainee developer, day-to-day technical and methodological guidance. Close collaboration with the product and design team, using Figma to ensure visual and functional consistency of the application. Agile project management and rigorous tracking of tasks and sprints via Jira.
Software integrator
Canal +
Mar 2024 - May 2024
3 months
92800 Puteaux, France
Fullstack developer
Gottaphish
Oct 2023 - Mar 2024
6 months
Paris, France
- Added new features and bug fixes with Javascript, HTML and CSS. - Web application development with Next.js 14, Typescript, TailwindCSS and SCSS. - Building web servers with Python. - Prompt Engineering
Front-end developer
Eurostep Group
Oct 2022 - Oct 2023
1 year 1 month
Montigny-le-Bretonneux, France
- Design and integration of innovative front-end features, bug resolution through advanced use of JavaScript, TypeScript, React, and NodeJS. - Development of high-quality technical documents for clear understanding and precise tracking of various projects. - Efficient use of pipelines and pull requests via Azure DevOps and Git, thereby improving collaboration and speed of deliverables.
Pizza Maker
Pizza l'ardoise
Jan 2020 - Dec 2021
2 years
78000 Versailles, France
- Préparation des plats et pizzas - Gestion de la marchandise - Accueil de clients
Restaurant service employee
Tacos Avenue
Sep 2018 - Oct 2019
1 year 2 months
78280 Guyancourt, France
Skills: Travail d’équipe
Car body repairer
Renault
Sep 2017 - Aug 2018
1 year
78530 Buc, France
- Réparation des véhicules accidentés
Education
IPSSI
Bachelor FullStack Development and DevOps
2022 - 2023
1 year 2 months
OpenClassrooms
bac+2
2022 - 2022
7 months
Licenses & certifications
Learn TypeScript: Fundamentals Course
Issued: Jan 2023
Gérer du code avec Git et GitHub
Issued: Nov 2021
Comprendre le Bitcoin et la Blockchain
Issued: Nov 2021
Portfolio
