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I'm Ulises Alcaraz, a software developer with 6+ years of experience building scalable web and mobile applications using React, React Native, Next.js, Node.js, Java, and cloud-native technologies like Kubernetes and OpenShift. I've contributed to large-scale microservices migrations, delivered automation tools, and built revenue-generating side projects. I enjoy shaping robust architectures, mentoring teams, and collaborating with international clients across the USA, Europe, and Latin America. Fluent in English and Portuguese, I thrive in cross-functional, global projects and value practical, maintainable solutions. I’m always learning new technologies, optimizing DevOps pipelines, and turning complex challenges into tangible outcomes that clients can adopt quickly.…I'm Ulises Alcaraz, a software developer with 6+ years of experience building scalable web and mobile applications using React, React Native, Next.js, Node.js, Java, and cloud-native technologies like Kubernetes and OpenShift. I've contributed to large-scale microservices migrations, delivered automation tools, and built revenue-generating side projects. I enjoy shaping robust architectures, mentoring teams, and collaborating with international clients across the USA, Europe, and Latin America. Fluent in English and Portuguese, I thrive in cross-functional, global projects and value practical, maintainable solutions. I’m always learning new technologies, optimizing DevOps pipelines, and turning complex challenges into tangible outcomes that clients can adopt quickly.

Ulises Alcaraz

Full Stack Developer, Web Developer, Programmer, +2

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I'm Ulises Alcaraz, a software developer with 6+ years of experience building scalable web and mobile applications using React, React Native, Next.js, Node.js, Java, and cloud-native technologies like Kubernetes and OpenShift. I've contributed to large-scale microservices migrations, delivered automation tools, and built revenue-generating side projects. I enjoy shaping robust architectures, mentoring teams, and collaborating with international clients across the USA, Europe, and Latin America. Fluent in English and Portuguese, I thrive in cross-functional, global projects and value practical, maintainable solutions. I’m always learning new technologies, optimizing DevOps pipelines, and turning complex challenges into tangible outcomes that clients can adopt quickly.…I'm Ulises Alcaraz, a software developer with 6+ years of experience building scalable web and mobile applications using React, React Native, Next.js, Node.js, Java, and cloud-native technologies like Kubernetes and OpenShift. I've contributed to large-scale microservices migrations, delivered automation tools, and built revenue-generating side projects. I enjoy shaping robust architectures, mentoring teams, and collaborating with international clients across the USA, Europe, and Latin America. Fluent in English and Portuguese, I thrive in cross-functional, global projects and value practical, maintainable solutions. I’m always learning new technologies, optimizing DevOps pipelines, and turning complex challenges into tangible outcomes that clients can adopt quickly.

Available to hire

I’m Ulises Alcaraz, a software developer with 6+ years of experience building scalable web and mobile applications using React, React Native, Next.js, Node.js, Java, and cloud-native technologies like Kubernetes and OpenShift. I’ve contributed to large-scale microservices migrations, delivered automation tools, and built revenue-generating side projects. I enjoy shaping robust architectures, mentoring teams, and collaborating with international clients across the USA, Europe, and Latin America.

Fluent in English and Portuguese, I thrive in cross-functional, global projects and value practical, maintainable solutions. I’m always learning new technologies, optimizing DevOps pipelines, and turning complex challenges into tangible outcomes that clients can adopt quickly.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

English

Fluent

Portuguese

Advanced

Spanish; Castilian

Advanced

Work Experience

Receptionist & Internal Tools Developer at Among Trees Boutique Hotel

December 1, 2025 - March 1, 2026

Developed an internal real-time communication app (React Native) with hardware button integration for multi-department coordination across a large property, replacing inefficient WhatsApp/Zello usage. Created operational manuals, checklists, and quality procedures aligned with Relais & Châteaux and Leading Hotels standards.

Tourism Operations Assistant at Turismo Cuenca del Plata

October 1, 2025 - November 1, 2025

Enhanced Excel logistics tool with Visual Basic macros and validation scripts, reducing manual reservation verification from 4+ hours to under 5 minutes during high-volume seasons (>1,500 passengers).

Tourism Operator & Automation Developer at Nordic Travel

February 1, 2025 - August 1, 2025

Built Node.js + React automation system integrated with MS Access for mass client notifications and marketing campaigns, reducing processing time from 3 hours to 15 minutes and increasing sales conversion by up to 50% (400+ passengers, 3 campaigns/day). Managed daily logistics for 150–400 passengers and temporarily handled administrative tasks after management transition.

Part-time Cashier & Systems Developer at Big Drinks

September 1, 2024 - December 1, 2024

Architected Next.js + React QR-based self-service ordering system, eliminating checkout queues and increasing order capacity from 10 to 50 per hour. Centralized cloud-based security camera monitoring across 3 branches with role-based access.

Technical Analyst & JDE Developer at ITCross

April 1, 2023 - March 1, 2024

Developed 60+ custom forms, reports, and bug fixes in Oracle JD Edwards for large industrial clients (50k+ and 200k+ employees across Americas, Europe, and Asia). Handled 200+ support tickets for security, governance, and user access management.

Full Stack Developer / SRE Analyst at GMResearch

July 1, 2021 - January 1, 2023

Contributed to the migration of 200+ legacy microservices from bare-metal OpenShift 3 to virtualized OpenShift 4 / Kubernetes, developing Java microservices with Apache Camel; helped scale the system from 100k to 3M concurrent requests under stress testing and improve overall uptime to 99%. Led a team of 5 to develop a company PWA/SPA website (Next.js + React) with offline/geolocation features; attracted 1,000 monthly users and contributed to 3 new clients. Designed a React SPA for insurance parts quoting and led NASA radiation mobile app (React Native + Node.js). Mentored client teams on microservices and DevOps practices.

Junior Full Stack Developer at QKStudio

November 1, 2020 - June 1, 2021

Developed React Native features with native Android APIs, push notifications, and Redux Observable. Implemented facial recognition login and Bash CI/CD tool that automated rollback and notifications, reducing debugging time for WordPress deployments.