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Full stack engineer with 4 years of experience building scalable web systems and APIs. I work mainly with React/Next.js on the frontend and Node.js/Go on the backend, with a strong focus on architecture, performance, and cloud deployment. In recent roles I’ve taken on broader technical responsibility—designing system components, leading AWS infrastructure migrations, and improving reliability and scalability through load testing and performance optimizations.…Full stack engineer with 4 years of experience building scalable web systems and APIs. I work mainly with React/Next.js on the frontend and Node.js/Go on the backend, with a strong focus on architecture, performance, and cloud deployment. In recent roles I’ve taken on broader technical responsibility—designing system components, leading AWS infrastructure migrations, and improving reliability and scalability through load testing and performance optimizations.

Diego Hernando Romero Roa

Full Stack Developer, Web Developer, Back-End Developer, +4

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Full stack engineer with 4 years of experience building scalable web systems and APIs. I work mainly with React/Next.js on the frontend and Node.js/Go on the backend, with a strong focus on architecture, performance, and cloud deployment. In recent roles I’ve taken on broader technical responsibility—designing system components, leading AWS infrastructure migrations, and improving reliability and scalability through load testing and performance optimizations.…Full stack engineer with 4 years of experience building scalable web systems and APIs. I work mainly with React/Next.js on the frontend and Node.js/Go on the backend, with a strong focus on architecture, performance, and cloud deployment. In recent roles I’ve taken on broader technical responsibility—designing system components, leading AWS infrastructure migrations, and improving reliability and scalability through load testing and performance optimizations.

Available to hire

Full stack engineer with 4 years of experience building scalable web systems and APIs. I work mainly with React/Next.js on the frontend and Node.js/Go on the backend, with a strong focus on architecture, performance, and cloud deployment.

In recent roles I’ve taken on broader technical responsibility—designing system components, leading AWS infrastructure migrations, and improving reliability and scalability through load testing and performance optimizations.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

Spanish; Castilian

Fluent

English

Advanced

Work Experience

Senior Software Engineer at RCN Televisión

June 1, 2024 - Present

Designed and maintained two Strapi-based CMS platforms, including custom plugin development to extend functionality and adapt the platform to specific business requirements. Centralized content delivery for over 10 websites through a unified Next.js frontend, consuming multiple CMS sources and streamlining page management and deployment. Migrated critical backend logic from TypeScript to Go to improve concurrency and overall performance. Implemented analytics and monetization strategies using Google Tag Manager, and optimized technical SEO (automated sitemaps, indexing improvements) to increase search engine visibility and performance. Developed cloud functions for dynamic redirect and rewrite management using key-value stores, enabling support for adaptive content structures. Led infrastructure migration to AWS ECS Fargate, conducting load tests and optimizing system response under traffic spikes and high-concurrency scenarios.

Mid Full Stack Developer at Pagos Automáticos de Colombia S.A.S

April 1, 2023 - May 31, 2024

Designed and implemented a real-time notification system enabling communication across 3 platforms. Developed and maintained full stack applications using React (Redux) on the frontend and Node.js with Sequelize on the backend, focused on building robust and maintainable systems. Designed and developed automated processes (cron jobs) for monitoring and report generation of IoT devices (Raspberry Pi), improving operational visibility. Integrated third-party services, ensuring secure and reliable communication flows between platforms. Built and optimized APIs and data persistence operations to support diverse business scenarios.

Front-End Web Developer at Technoapes de Colombia S.A.S

March 1, 2022 - April 30, 2023

Resolved critical memory issues (heap out of memory) in TypeScript applications through refactoring, reducing build times by 53% (measured with SonarQube). Contributed to the maintenance and evolution of Angular (NgRx) frontend applications, including migration to a monorepo architecture to improve scalability and code organization. Built web applications with Next.js (SSR/SSG/ISR) and TypeScript for CRM systems and customer service platforms, optimizing performance and user experience. Deployed and managed AWS infrastructure using Amplify and provided support for Serverless Framework-based backend services.

Frontend Web Developer at Technoapes de Colombia S.A.S

March 1, 2022 - April 30, 2023

Resolved critical memory issues (heap out of memory) in TypeScript applications through refactoring, reducing build times by 53%, measured with SonarQube. Contributed to the maintenance and evolution of Angular (NgRx) frontend applications, including migration to a monorepo architecture to improve scalability and code organization. Built web applications with Next.js (SSR, SSG, ISR) and TypeScript for CRM systems and customer service platforms, optimizing performance and user experience. Deployed and managed AWS infrastructure using Amplify, and provided support for Serverless Framework-based backend services.