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I am a proactive and self-motivated software developer with a strong passion for continuous learning and building real-world solutions. I have experience developing full-stack applications, integrating cloud services, and designing scalable systems, with a focus on web development, automation, and system integration. I am especially interested in expanding my knowledge across different areas of software development, combining technical skills with problem-solving and innovation to deliver impactful results.…I am a proactive and self-motivated software developer with a strong passion for continuous learning and building real-world solutions. I have experience developing full-stack applications, integrating cloud services, and designing scalable systems, with a focus on web development, automation, and system integration. I am especially interested in expanding my knowledge across different areas of software development, combining technical skills with problem-solving and innovation to deliver impactful results.

Erlin Jose Castillo Ordoñez

Web Developer, Front-End Developer, Back-End Developer, +1

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I am a proactive and self-motivated software developer with a strong passion for continuous learning and building real-world solutions. I have experience developing full-stack applications, integrating cloud services, and designing scalable systems, with a focus on web development, automation, and system integration. I am especially interested in expanding my knowledge across different areas of software development, combining technical skills with problem-solving and innovation to deliver impactful results.…I am a proactive and self-motivated software developer with a strong passion for continuous learning and building real-world solutions. I have experience developing full-stack applications, integrating cloud services, and designing scalable systems, with a focus on web development, automation, and system integration. I am especially interested in expanding my knowledge across different areas of software development, combining technical skills with problem-solving and innovation to deliver impactful results.

Available to hire

I am a proactive and self-motivated software developer with a strong passion for continuous learning and building real-world solutions.

I have experience developing full-stack applications, integrating cloud services, and designing scalable systems, with a focus on web development, automation, and system integration. I am especially interested in expanding my knowledge across different areas of software development, combining technical skills with problem-solving and innovation to deliver impactful results.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

Spanish; Castilian

Fluent

English

Intermediate

Work Experience

Full-Stack & Serverless Developer at Independent / Self-Employed

January 1, 2026 - Present

Built a dynamic digital menu and admin dashboard using HTML5, Tailwind CSS, and Vanilla JS. Leveraged Firebase Firestore for real-time data synchronization, and designed a cross-platform companion native iOS application using Swift and SwiftUI for unified product management and order tracking. Implemented QR-code generation, real-time product search, and mobile-first UI/UX, and led cloud architecture with serverless workflows and ACID transactions. Created an automated reporting workflow and integrated hardware interfacing for POS peripherals. Focused on real-time data availability, cross-platform compatibility, and scalable, future-proof design.