Open to opportunities

Reinaldo Cardenas

@reinaldocardenas

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FullStack Developer focused on scalable web apps, performance, and quality testing.

Spain

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What I'm looking for

I’m looking for a team where I can build secure, high-performance web products end-to-end—shipping user-focused features with strong test automation, measurable performance/accessibility, and room to lead or collaborate closely across frontend, backend, and infrastructure.

I’m a FullStack Developer with 8+ years building scalable web applications across diverse industries. I specialize in modern frontend frameworks and backend technologies, with a strong emphasis on performance optimization, testing automation, and polished user experiences.

In my current work, I build secure, scalable web solutions for AWS policy management using custom APIs. I lead frontend development around performance, accessibility, and thorough test coverage—delivering responsive UIs with React, TypeScript, and Vite, automating quality checks with Lighthouse CI/CD, and validating behavior with Playwright (including Playwright-BDD) plus unit tests with Vitest and React Testing Library.

I also have deep full-stack experience digitizing high-impact processes and modernizing legacy systems. I’ve transitioned into FullStack work building document request systems (with React, TypeScript, Next.js, Elixir, Phoenix, and PostgreSQL), refactored Angular code to reduce load times by 30%, and delivered end-to-end features with RESTful APIs and cloud integrations for platforms like Reserve.org. Earlier, I stepped into team leadership as a Software Engineer (Team Lead), balancing hands-on development with code review and quality assurance.

Experience

Work history, roles, and key accomplishments

Current

Frontend Engineer

Current

Mercedes-Benz Group Services

Mar 2025 - Present (1 year 3 months)

Built secure, scalable web solutions for AWS policy management by developing custom APIs and leading frontend development with strong accessibility, performance, and testing coverage. Implemented Lighthouse CI/CD monitoring and automated E2E/unit tests to ensure reliable delivery of standards-compliant user experiences.

React TypeScript Vite Framer Motion IAM Lighthouse CI CD Playwright Vitest GitHub Actions

Current

FullStack Developer

Current

C2S Consulting

Nov 2023 - Present (2 years 7 months)

Developing a document request and management platform for Puerto Rico’s Department of Education, digitizing previously manual student population workflows. Built responsive frontend experiences and contributed to RESTful backend APIs using Elixir/Phoenix with PostgreSQL to support large-scale usage.

React TypeScript Next.js Elixir Phoenix PostgreSQL RESTful APIs Docker CI CD

Frontend Developer

Xprizo

May 2023 - Nov 2023 (6 months)

Enhanced a web platform and administrative systems by refactoring the Angular codebase for better maintainability and performance. Integrated .NET APIs with Angular and improved responsiveness by optimizing database queries and adding Redis caching.

Angular TypeScript Firebase MySQL Redis Docker Performance Optimization

FullStack Developer

Allfin Technologies LLC

Jul 2021 - Mar 2023 (1 year 8 months)

Developed internal software for Reserve.org, splitting work between frontend (70%) and backend (30%) for a cryptocurrency-related platform. Implemented React/TypeScript components and RESTful APIs with Laravel/Node.js, integrating AWS services, while delivering testing automation with 85%+ code coverage.

React TypeScript PHP Laravel Node AWS SQL Jest Cypress React Testing Library

FullStack Developer

Cognitive Latam

Jan 2019 - Jun 2021 (2 years 5 months)

Modernized legacy PHP applications by migrating PHP 5.5 to Laravel to improve performance and maintainability. Built e-commerce platforms and PWAs and developed an in-house CMS to streamline content management workflows.

HTML5 CSS3 JavaScript PHP Laravel SQL Server React WordPress CMS Development

Software Engineer Team Lead

Living Code Studio

Jan 2020 - Jan 2021 (1 year)

Led a development team while balancing hands-on implementation with code review and quality assurance. Built full-stack client projects using Vue.js, Laravel, and WordPress, ensuring adherence to best practices and timely delivery.