Freelancer profile translated to English.
Back to original languageAbout Oscar
I am a Full Stack developer and have over 4 years of experience building real things on the internet. I didn't start in a big company; I started by helping my family, learning on my own, and solving problems with what I had. Today, I work with TypeScript, React, Node.js, Laravel, SQL Server, and Google Cloud. I have integrated payment gateways, authentication systems, automatic emails, and multimedia encryption. All in real projects, with real clients who use them today. What defines me most is that I learn when it's necessary. PHP, Docker, .NET, I learned every new technology because a project needed it. That makes me comfortable in environments where not everything is resolved beforehand. Today, I am the sole freelance developer for Somos Bienestar, maintaining two products in production simultaneously. I also co-founded Mubli, a startup that won the Sercotec Seed Fund in 2025. If you are looking for someone who delivers results and adapts quickly, you can write to me at
Spanish
Native or bilingual
English
Fluent
Remote only
Primarily works remotely
Experience
- Somos Bienestar SPAFull Stack ProgrammerTECHSeptember 2025 - Today (9 months)Santiago de Chile, ChileSole freelance developer for Somos Bienestar, a psychological consultancy offering organizational well-being services to companies. In charge of two simultaneous products. Organizational Well-being is a multi-tenant web platform for scheduling sessions between company collaborators and well-being professionals (psychologists, lawyers, social workers, teachers). Developed with Laravel, Blade, Alpine.js, and Tailwind CSS. I implemented authentication with per-company middleware, professional availability management, real-time scheduling system, and automatic transactional emails for appointment scheduling, modification, cancellation, and reminders. Currently in production with Enercon as a client. Somos Bienestar App is a mobile application for which I manage the Firebase database, handling mass user injection, review and correction of scores in life-domain well-being questionnaires, and modification of records to reactivate evaluations.
- UniversilandIAFull Stack ProgrammerTECHFebruary 2025 - August 2025 (6 months)Santiago de Chile, ChileDevelopment of a web platform for podcast streaming featuring interviews with university graduates, aimed at high school students choosing their careers. Coordinated a team of 3 developers and 1 designer. Developed the backend with Node.js, Express, TypeScript, and Sequelize, connected to MySQL and SQL Server databases. The frontend was built with React and TypeScript. Integrated authentication via Google OAuth with JWT tokens, payment gateway with MercadoPago, and video encryption through Google Cloud Storage. Deployment was done on Google Cloud Run using Docker, with management of Container Registry and VPC Connector.
- Colegio Médico Veterinario de ChileIT Equipment Support TechnicianTECHJuly 2023 - January 2025 (1 year and 6 months)Santiago Metropolitan Region, ChileSole technology resource for Colmevet's central office. The role covered hardware and software support, equipment formatting and configuration, system resets, hardware inventory, and maintenance of cameras, speakers, and meeting rooms. In the web area, I edited and maintained the institutional website developed in PHP with Blade under cPanel, learning PHP in a work context to meet requirements. Managed email accounts, passwords, subscriptions, domains, and monthly technology expenses. I prepared equipment quotes, coordinated purchases, and hardware transfers to the office.
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Education
- Computational Programmer Analyst, Information TechnologyDuoc UC2022Analista Programador Computacional, tecnlogia de la información
- English B1, ENGLISH LANGUAGE AND LITERATURE/LETTERSInstituto Profesional Chileno Británico de Cultura2020Ingles B1 , ENGLISH LANGUAGE AND LITERATURE/LETTERS
Certifications
- Full Stack Software Development4geeks
- Computational Programmer AnalystDuocUc2022