I am a passionate Full Stack Developer with over 5 years of experience building scalable, user-focused web applications using Ruby on Rails, React, and modern development practices. My background spans a variety of industries—from e-commerce and SaaS platforms to financial systems—allowing me to adapt quickly and contribute effectively in diverse technical environments. Beyond the screen, I'm a creative at heart. I enjoy and
Contact Samuel regarding:
Flexible work
Starting at
USD13/hour
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Full Stack Developer
Checkr
Oct 2023 - May 2025(1 year 8 months)
Developed and maintained multiple microservices in a large-scale system related with the monetization. Collaborated with cross-functional teams to deliver scalable and efficient solutions. Upgraded the monitoring tools to have a wider range of information when needed. Automated and optimized infrastructure workflows to enhance performance within the CI/CD.
Full Stack Developer
Poliglota
Jan 2022 - Dec 2022(1 year)
Participated in transitioning a monolithic application to a microservices architecture. Developed and maintained user-facing features using React. Improved system performance by refactoring legacy code and optimizing data models. Projects Upgraded user dashboard to have a modern look and new features like showing the percentage of completion of the course with dynamic animations. Leadered migration of grades system having a 100% of uptime.
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Backend Developer
Altimetrik - Funding Circle
Jan 2022 - Aug 2023(1 year 8 months)
Create and maintain applications within an event-based architechture driven by Kafka. Give support to monolith built-in with Ruby on Rails. Developed the system for dynamic apply rules to the loan classifier. Projects As team, we created from scratch the application under our domain called Marketplace, built-in with Python, A kafka consumer for classifying loan applicantions with dynamic business rules. KSQL query to match and filter kafka streams data.
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Full Stack Developer
Kibernum – CCU
Jun 2021 - Dec 2021(7 months)
Participated on the planning and implementation of Labarra e-commerce. Build and implement user interfaces on React, consumming multiple APIs. Ruby on Rails monolith support.
Full Stack Developer
KeyClouding
Oct 2019 - Jun 2021(1 year 9 months)
on Rails, React, Vue.js, PostgreSQL, Heroku. Maintain and develop new features on a SaaS platform for HR testing and recruitment processes. Designed and implemented responsive front-end features using React and Vue.js. Built backend business logic and APIs in Ruby on Rails. Projects