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I am a certified full-stack web developer based in Berlin with two years of professional experience focused on frontend development at Diconium Digital Solutions. Certified by the Digital Career Institute, I have strong skills in HTML, CSS, JavaScript, MERN Stack, and TypeScript, with experience in both frontend and backend development. I prioritize usability, scalable APIs, and clean code. I am a great communicator passionate about learning and experienced in Agile methodologies, UX, and working in multicultural international teams. Currently, I am seeking opportunities to expand my knowledge in new technology trends, focusing on cross-functionality within teams.…I am a certified full-stack web developer based in Berlin with two years of professional experience focused on frontend development at Diconium Digital Solutions. Certified by the Digital Career Institute, I have strong skills in HTML, CSS, JavaScript, MERN Stack, and TypeScript, with experience in both frontend and backend development. I prioritize usability, scalable APIs, and clean code. I am a great communicator passionate about learning and experienced in Agile methodologies, UX, and working in multicultural international teams. Currently, I am seeking opportunities to expand my knowledge in new technology trends, focusing on cross-functionality within teams.

Carlo S Barrera Borruel

Full Stack Developer, Front-End Developer, Back-End Developer, +2

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I am a certified full-stack web developer based in Berlin with two years of professional experience focused on frontend development at Diconium Digital Solutions. Certified by the Digital Career Institute, I have strong skills in HTML, CSS, JavaScript, MERN Stack, and TypeScript, with experience in both frontend and backend development. I prioritize usability, scalable APIs, and clean code. I am a great communicator passionate about learning and experienced in Agile methodologies, UX, and working in multicultural international teams. Currently, I am seeking opportunities to expand my knowledge in new technology trends, focusing on cross-functionality within teams.…I am a certified full-stack web developer based in Berlin with two years of professional experience focused on frontend development at Diconium Digital Solutions. Certified by the Digital Career Institute, I have strong skills in HTML, CSS, JavaScript, MERN Stack, and TypeScript, with experience in both frontend and backend development. I prioritize usability, scalable APIs, and clean code. I am a great communicator passionate about learning and experienced in Agile methodologies, UX, and working in multicultural international teams. Currently, I am seeking opportunities to expand my knowledge in new technology trends, focusing on cross-functionality within teams.

Available to hire

I am a certified full-stack web developer based in Berlin with two years of professional experience focused on frontend development at Diconium Digital Solutions. Certified by the Digital Career Institute, I have strong skills in HTML, CSS, JavaScript, MERN Stack, and TypeScript, with experience in both frontend and backend development. I prioritize usability, scalable APIs, and clean code.

I am a great communicator passionate about learning and experienced in Agile methodologies, UX, and working in multicultural international teams. Currently, I am seeking opportunities to expand my knowledge in new technology trends, focusing on cross-functionality within teams.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Advanced

Spanish; Castilian

Fluent

Chinese

Advanced

German

Intermediate

Work Experience

Full Stack Engineer at Kyan Health

June 1, 2025 - August 9, 2025

Worked in a rising startup focused on mental health for employees. Engineered and deployed cross-platform iOS/Android applications using React Native. Built responsive web applications with TypeScript and ReactJS. Managed backend and database operations leveraging Firebase Cloud Functions and Firestore. Designed and implemented engaging email campaigns with MJML.

Frontend Software Engineer at diconium GmbH

April 1, 2024 - August 9, 2025

Developed software focused on digital transformations for renowned brands such as STIHL, Kodak, Bosch, and Volkswagen. Played a pivotal role in driving a C2C e-commerce platform through its lifecycle using Agile principles. Designed and implemented layouts for Volkswagen's autonomous driving project. Queried multiple data from large knowledge graph databases and visualized dynamic charts. Developed front-end applications using ReactJS and NextJS with responsive and visually appealing designs using CSS Modules, Sass, and BEM methodology. Utilized Git workflows on GitLab and GitHub for version control, performed unit and integration tests with Jest and Testing Library, and integrated and tested RESTful APIs. Authored detailed project requirements in Jira and participated actively in Scrum and SAFe methodologies including sprint planning and retrospectives. Hosted bi-weekly UI tech squad meetings to facilitate team collaboration.