Hi, I'm FrancisFrontend Developer & Product Builder
Design with purpose
I combine editorial sensibility, frontend engineering, and obsession for details. I work from strategy to the last pixel — and the last component deployed.
My approach
Frontend engineer focused on product, specialized in turning ideas into real applications quickly. I combine design, development, and AI to create simple, useful experiences ready to grow. I create high-performance web experiences with a focus on usability and detail. From backend architecture to the last pixel of the frontend.
Tool box
What I use daily to design, build, and ship products.
Design
01Frontend
02Backend
03Tools
04Languages
05Professional journey
Frontend Developer @ 100ESignature
2023 — 2025RemoteI develop interfaces for a digital signatures platform, focusing on performance, usability, and clarity in critical flows.
- Implemented interfaces in React and TypeScript for signing and document management flows
- Improved user experience in key processes by reducing friction in the signing flow
- Integrated APIs for document handling and real-time signature status
- Collaborated with design and backend to ensure consistency and quality in the product
Web Developer / Tech Support @ Bufete Jurídico Castillo Melo & Asoc.
Sep 2015 — Feb 2026On-siteResponsible for developing and maintaining the law firm's website, as well as managing systems and technological resources.
- Developed and maintained the firm's institutional website
- Managed corporate emails, domains, and digital services
- Provided technical support for internal equipment and systems
- Optimized digital processes to improve organization and information access
Web Developer @ Evolution Solar System LLC
2022 — 2023RemoteDeveloped the website for a solar panel company, focused on presenting services clearly and generating contact opportunities.
- Designed and developed the corporate website
- Implemented conversion-oriented sections (services, contact, calls to action)
- Optimized performance and mobile device experience
- Set up contact forms for lead generation
Designer & Developer @ Freelance
2020 — PresentDevelop websites and web applications for independent clients, focused on creating fast, clear, and results-oriented solutions.
Selected work
A sample of recent projects in product, branding, and development.
ResumeSense
CV optimization platform that uses AI to analyze compatibility with specific job openings, offering detailed feedback and improvement suggestions.
Nephrite: The Emerald Standard
A meticulously designed visual ecosystem to transform your browser and editor into a sanctuary of calm and productivity.
Talegrid: Interactive Story Creation
Open-source editorial typography catalog with advanced filters and interactive previews.
Portfolio Code Workspace
Interactive portfolio with IDE-style code editor.
Terminal Portfolio — A developer portfolio
An interactive portfolio that works like a terminal. Navigate using commands, explore projects, and experience an interface designed first for developers.
Portfolio95 — A Nostalgic OS Portfolio
Portfolio95 is an interactive portfolio that recreates the iconic Windows 95 desktop experience on the web.
Where I come from
Universidad Dominicana O&M
sept 2015 — oct 2021What I've published
Terminal Portfolio — A developer portfolio that works like a command line
Traditional portfolios are static. This one is interactive — users explore my experience using commands, just like a real terminal.
Personal Portfolio | Frontend Developer & Product Builder
I present the design and development of my new personal portfolio.