About me.
I'm a Freelancer FullStack Developer with over 5 years of experience.
I'm from Costa Rica, the most happy place on Earth. I code and create web elements for amazing people around the world. I like work with new people. New people new Experiences.
Completed.
Clients.
Education & Skills
- 2019-2022
Computer Science Engineer
Costa Rican Technology Institute
- 2024-2025
CyberSecurity
Southen New Hampshire University
My skills
I'm a Freelancer FullStack Engineer with over 5 years of experience. I code and create web elements for amazing people around the world. I like work with new people. New people new Experiences.
React
NodeJS
UI/UX
NextJS
Experience.
FullStack Developer
Developed program logic for new applications based on fresh coding or revamped logic from existing applications. Analyzed project requirements, translating specifications into functional application components. Coded, tested, debugged, documented, and implemented Web software applications. Applied feedback from code review and implemented changes to meet standards. Updated web pages and navigation tools to meet the client's current needs and improve usability. Documented style guidelines to keep the design consistent across the team.
FullStack Developer
Used ReactJS, NestJs and NodeJS to plan, test and implement various web-based applications. Updated existing software to resolve errors and adapt it to new performance requirements. Produced clean, tight code to create well-functioning web software applications Coordinated the successful deployment of new software applications and checked the functionality against design specifications. Corrected errors in software to fix performance issues and improve usability.
Software Engineer
Automated, maintained and optimized systems and software infrastructure for clients. Developed and directed software system testing and validation procedures. Maintained product quality by analyzing feedback, managing integration and performing continual tests. Determined system performance standards.Analyzed information to determine, recommend and plan installation of new systems and modifications.
What I do?
Web Development
With a keen eye for design and a passion for coding, I transform ideas into fully functional websites that not only look great but also perform seamlessly across various devices and browsers.
Web Design
My approach combines creativity with technical expertise, allowing me to tackle projects of any scale with precision and efficiency.
SEO Marketing
From concept to deployment, I am committed to creating engaging online platforms that leave a lasting impression and drive business success.
Mobile App Development
Whether it's building responsive layouts, optimizing performance, or integrating cutting-edge features, I pride myself on delivering solutions that exceed client expectations.
My Portfolio.
Freelance Navigator WebPage
ReactJS Landing Page
Necotium Searcher
Searcher Web Page
Red Universitaria WebPage
HTML and CSS
Get in touch.
What’s your story? Get in touch
Always available for freelancing if the right project comes along, Feel free to contact me.
- San José, Costa Rica
- squesadac@gmail.com
- +506 6181 8868