Hi there, I’m Abraham, a remote-friendly Full Stack Developer with 4+ years delivering scalable web and mobile applications for international clients. I specialize in JavaScript ecosystems (React, Node.js, React Native), applying Clean Architecture and SOLID principles to build robust, maintainable software. In my remote work across 8 countries, I’ve shipped 12+ production apps, mentored teammates, and driven performance improvements and cost savings. I’m passionate about clean code, collaborative teams, and delivering value quickly.

Abraham Fernández Quiñones

Hi there, I’m Abraham, a remote-friendly Full Stack Developer with 4+ years delivering scalable web and mobile applications for international clients. I specialize in JavaScript ecosystems (React, Node.js, React Native), applying Clean Architecture and SOLID principles to build robust, maintainable software. In my remote work across 8 countries, I’ve shipped 12+ production apps, mentored teammates, and driven performance improvements and cost savings. I’m passionate about clean code, collaborative teams, and delivering value quickly.

Available to hire

Hi there, I’m Abraham, a remote-friendly Full Stack Developer with 4+ years delivering scalable web and mobile applications for international clients. I specialize in JavaScript ecosystems (React, Node.js, React Native), applying Clean Architecture and SOLID principles to build robust, maintainable software.

In my remote work across 8 countries, I’ve shipped 12+ production apps, mentored teammates, and driven performance improvements and cost savings. I’m passionate about clean code, collaborative teams, and delivering value quickly.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
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Language

Spanish; Castilian
Fluent
English
Fluent

Work Experience

Full Stack Developer at RemoteTech Solutions
January 1, 2022 - December 31, 2025
Migrated monolithic app to microservices → 40% cost savings, 99.95% uptime. Launched React Native app → 50K+ downloads, 4.7 ★ rating. Built real-time dashboard handling 10K+ daily transactions. Mentored junior devs, improving onboarding speed by 50%.
Full Stack Developer at Global Digital Agency
January 1, 2020 - December 31, 2022
Delivered 8+ MERN apps for e-commerce, healthcare, fintech. Optimized PostgreSQL queries → 300% performance boost. Created reusable React component library → 30% faster dev cycles.
Junior Full Stack Developer at Caribbean Tech Startup
January 1, 2019 - December 31, 2020
Built edtech platform serving 10K+ monthly users. Integrated payments (Stripe, PayPal). Reduced API response time from 800ms → 120ms.

Education

B.Sc. in Telecommunications & Electronics Engineering at University of Santa Clara Marta Abreu
January 1, 2022 - January 1, 2026

Qualifications

AWS Certified Developer
January 1, 2024 - January 11, 2026
Advanced React & GraphQL
January 1, 2023 - January 11, 2026
Node.js Advanced Concepts
January 1, 2023 - January 11, 2026
Clean Code & Architecture
January 1, 2021 - January 11, 2026

Industry Experience

Software & Internet, Professional Services, Media & Entertainment