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Hi, I’m Josep Romero Ros, a full‑stack engineer with a track record of delivering scalable web apps and marketplace platforms for B2B and fintech. I’ve driven migrations, upgraded to latest Angular versions, integrated diverse APIs, and performed extensive code refactoring to improve performance and reliability. The frontend I’ve built is deployed on AWS with server-side rendering, fully leveraging SEO capabilities of Next.js 14. I thrive in collaborative environments, working with clients and teammates to identify improvement areas, design robust solutions, and onboard new team members. I’m passionate about clean architecture, TDD, Kanban, and DDD, and I’m always learning new technologies to deliver efficient, secure, and scalable software with a strong focus on user experience and cost optimization.…Hi, I’m Josep Romero Ros, a full‑stack engineer with a track record of delivering scalable web apps and marketplace platforms for B2B and fintech. I’ve driven migrations, upgraded to latest Angular versions, integrated diverse APIs, and performed extensive code refactoring to improve performance and reliability. The frontend I’ve built is deployed on AWS with server-side rendering, fully leveraging SEO capabilities of Next.js 14. I thrive in collaborative environments, working with clients and teammates to identify improvement areas, design robust solutions, and onboard new team members. I’m passionate about clean architecture, TDD, Kanban, and DDD, and I’m always learning new technologies to deliver efficient, secure, and scalable software with a strong focus on user experience and cost optimization.

Josep Romero Ros

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

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Hi, I’m Josep Romero Ros, a full‑stack engineer with a track record of delivering scalable web apps and marketplace platforms for B2B and fintech. I’ve driven migrations, upgraded to latest Angular versions, integrated diverse APIs, and performed extensive code refactoring to improve performance and reliability. The frontend I’ve built is deployed on AWS with server-side rendering, fully leveraging SEO capabilities of Next.js 14. I thrive in collaborative environments, working with clients and teammates to identify improvement areas, design robust solutions, and onboard new team members. I’m passionate about clean architecture, TDD, Kanban, and DDD, and I’m always learning new technologies to deliver efficient, secure, and scalable software with a strong focus on user experience and cost optimization.…Hi, I’m Josep Romero Ros, a full‑stack engineer with a track record of delivering scalable web apps and marketplace platforms for B2B and fintech. I’ve driven migrations, upgraded to latest Angular versions, integrated diverse APIs, and performed extensive code refactoring to improve performance and reliability. The frontend I’ve built is deployed on AWS with server-side rendering, fully leveraging SEO capabilities of Next.js 14. I thrive in collaborative environments, working with clients and teammates to identify improvement areas, design robust solutions, and onboard new team members. I’m passionate about clean architecture, TDD, Kanban, and DDD, and I’m always learning new technologies to deliver efficient, secure, and scalable software with a strong focus on user experience and cost optimization.

Available to hire

Hi, I’m Josep Romero Ros, a full‑stack engineer with a track record of delivering scalable web apps and marketplace platforms for B2B and fintech. I’ve driven migrations, upgraded to latest Angular versions, integrated diverse APIs, and performed extensive code refactoring to improve performance and reliability. The frontend I’ve built is deployed on AWS with server-side rendering, fully leveraging SEO capabilities of Next.js 14.

I thrive in collaborative environments, working with clients and teammates to identify improvement areas, design robust solutions, and onboard new team members. I’m passionate about clean architecture, TDD, Kanban, and DDD, and I’m always learning new technologies to deliver efficient, secure, and scalable software with a strong focus on user experience and cost optimization.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

Spanish; Castilian

Fluent

English

Fluent

Catalan; Valencian

Advanced

Work Experience

Full Stack Engineer at Kabilio

May 1, 2025 - Present

Working at a growing fintech startup focused on automating accounting and pre-accounting processes, powered by artificial intelligence. The platform is designed for accounting firms and advisors who manage bookkeeping for their clients. Working with Remix to build a scalable and reactive web app and Tailwind CSS to create clean interfaces. Also using Effect for safe and structured management of asynchronous effects, error handling, resource management, concurrency and dependency injection, improving the backend’s robustness and maintainability. Collaborated closely with the AI team to integrate advanced functionalities for automated document processing and intelligent validation.

Full Stack Developer at Growing fintech startup

February 1, 2024 - Present

Currently working on automating accounting and pre‑accounting processes powered by AI. Built a scalable frontend and backend for a web platform (e‑commerce/real estate employee management demos) using React, Next.js, Node.js and AWS. Implemented data synchronization across systems, integrated external APIs, and established a robust testing and deployment workflow (TDD, SCRUM, DDD, hexagonal architecture). Worked with Remix/Next.js and Tailwind CSS to deliver clean, maintainable interfaces.

Full Stack Engineer at Kabilio

May 1, 2025 - Present

Full Stack Engineer at Infopro Digital

December 1, 2022 - February 1, 2024

In an auto spare parts industry company i significantly contributed to the development of a B2B marketplace application. My role included doing migrations, updating to latest Angular versions, integrating diverse APIs, and conducting extensive code refactorizations. I actively engaged in client collaborations for identifying improvement areas, analazing, designing, planning, and implementing effective solutions. Additionally, my responsibilities encompassed participating in the recruitment and onboarding of new team members

Full stack developer at Assembler Institute of Technology

January 1, 2021 - December 1, 2021

Developing web projects such as an e-commerce platform, a real estate website, an employee management web application, and a file system explorer. Used to work with SCRUM methodology, clean code principles, Node packages, Webpack, Heroku, Netlify, etc.