Gabriel
De Castro
I help businesses turn ideas into reliable, scalable platforms — handling everything from application development to server infrastructure for fast, secure, and growth-ready systems.
Skills & Background
Full-stack developer focused on building real-time, scalable systems that power reliable business applications.
A bit about me
My name is Gabriel De Castro, a full-stack web developer and server infrastructure specialist focused on building reliable, scalable digital platforms for businesses.
I help companies turn ideas into production-ready web applications by handling both application development and server architecture. My work focuses on building systems that deliver real-time information, support high user activity, and remain stable as businesses grow.
With experience across web, software, and backend infrastructure, I design and develop solutions that improve operational efficiency, enable real-time interactions, and provide dependable performance for modern business applications.
My goal is to help organizations build secure, scalable, and reliable platforms that support their operations and deliver seamless digital experiences to their users.
Work Experience
A track record of delivering impactful solutions across diverse industries.
2023–Present
- Architected and deployed full‑stack web and mobile applications that streamlined internal operations and improved data accessibility across departments.
- Modernized legacy systems by introducing real‑time dashboards and automated workflows, reducing manual processing time by 30%.
- Managed and optimized production servers (Linux/Windows) to ensure 99.9% uptime, implemented regular security updates, and reduced infrastructure costs through resource consolidation.
- Collaborated with business stakeholders to translate operational needs into scalable technical solutions, delivering features that directly supported revenue growth.
2021–Present
- Delivered end‑to‑end web applications for clients across e‑commerce, logistics, and service industries, consistently meeting tight deadlines and business requirements.
- Designed and implemented secure REST APIs and WebSocket servers that enabled real‑time data synchronization, handling up to 5,000 concurrent users.
- Reduced hosting and maintenance costs for clients by 25% through cloud infrastructure optimization.
- Developed native Android apps and integrated them with backend systems, expanding client mobile reach and increasing user engagement by 40%.
2022–2023
- Engineered scalable websites, mobile applications, and internal systems that processed over 1 million monthly transactions for clients in the food and service sectors.
- Optimized critical backend algorithms, resulting in a 50% reduction in API response time and improved user experience.
- Designed and maintained WebSocket‑based real‑time features (live order tracking, chat) that increased client retention by 20%.
- Collaborated with cross‑functional teams to gather requirements and deliver features that aligned with business goals, contributing to a 15% growth in platform usage.
Project Highlights
A selection of notable work spanning enterprise systems, open-source, and personal projects.
Chat with AlyaAI
Ask anything about Gabriel's skills, projects, or experience.
Know more about me
I've put together an AI chatbot that knows all my skills, work experience, and has a copy of my CV/Resume. Use it to ask questions and get a better sense of who I am and what I've done.
Download Resume- AI