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Kevin A. — Senior Full Stack Developer from Colombia

Kevin A.

Senior Full Stack Developer

Colombia 6+ years
Open to offersNew to Platform
Languages
EnglishSpanish
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About

Kevin G. is a seasoned Senior Full Stack Developer based in Valledupar, Cesar, Colombia, with a deep expertise in creating scalable, high-performance web applications. He specializes in utilizing frameworks such as Vue.js, React.js, Node.js, and Python across various stages of the software development lifecycle. Kevin is adept in JavaScript, TypeScript, RESTful API design, and managing SQL/NoSQL databases. His career highlights include optimizing performance for web applications and implementing SSR-oriented SEO improvements in cloud-based architectures using AWS and Kubernetes. Notably, at CRIO, he improved the reliability of clinical trial platform services and collaborated with engineering teams for backend API optimization. At ZeOrbit, Kevin integrated blockchain functionality and achieved significant delivery speed improvements while mentoring junior developers. His role at AFTIA Solutions focused on crafting resilient backend solutions, successfully decreasing response latencies and enhancing system responsiveness. At Fire Bee Techno Services, he implemented microservices architecture patterns and improved UI load times for web applications driven by JS frameworks.

Experience

  • Backend Engineer

    Clinical Research IO (CRIO) · 2025 — 2026
    Analyzed logs and metrics for Node.js and Python services on Google Cloud Platform to address production issues, enhancing the reliability of web applications for clinical trial sites. Utilized BigQuery and SQL for querying large datasets to aid in backend data processing and operational reporting. Monitored platform performance and error rates through Looker dashboards and GCP monitoring tools, ensuring high availability for users. Inspected containerized backend services in Kubernetes with kubectl, maintaining stability in microservices architectures. Worked with engineering teams to optimize backend APIs and database queries, increasing the platform's performance and scalability.

  • Full-stack Developer

    ZeOrbit · 2023 — 2024
    Developed responsive web applications using React.js and TypeScript that consumed Node.js and RESTful APIs, enhancing project delivery speed and user experience. Integrated blockchain features with Solidity and Web3.js into front-end workflows while ensuring coordination with AWS-based backend services. Refactored front-end codebases to adhere to modern JavaScript best practices, which improved maintainability. Established CI/CD pipelines for front-end and Node.js applications utilizing Jenkins, Docker, and AWS to ensure uptime and facilitate rapid deployments. Mentored junior front-end developers on best practices in JavaScript, TypeScript, and React.js while performing code reviews.

  • Back-end Developer

    AFTIA Solutions · 2022 — 2023
    Created back-end solutions using PHP with Laravel and Symfony, focusing on API optimization for JavaScript and Vue.js front-ends. Designed RESTful APIs for JavaScript and TypeScript clients, improving the onboarding process for front-end developers. Enhanced database performance for MySQL and PostgreSQL, leading to faster API data retrieval. Deployed applications on Kubernetes and AWS Lambda using Docker to support a microservices architecture. Collaborated with front-end engineers to transition legacy LAMP-style services into scalable cloud-native solutions while ensuring compatibility with existing PHP systems.

  • Frontend Developer

    Fire Bee Techno Services · 2020 — 2022
    Implemented RESTful APIs in Vue.js and Angular applications utilizing JavaScript and TypeScript, which improved UI load times for high-traffic experiences. Conducted performance evaluations of Node.js back-end systems and SQL databases to reduce loading times and enhance user satisfaction. Applied microservices architecture patterns in Node.js to facilitate communication between front-end and back-end services. Engaged in performance testing and code reviews for front-end components, which contributed to application performance improvements. Collaborated with designers and back-end engineers to refine SEO and front-end rendering strategies.

  • Intern

    SIMON SEIN · 2019 — 2020
    Developed high-performing front-end components using Angular and JavaScript, alongside Node.js enhancements to support over 50,000 concurrent users. Resolved front-end performance issues for Angular and Node.js applications to minimize system downtime. Worked on AWS solutions for web applications using EC2 to maintain user access during peak traffic. Contributed to performance optimization through the fine-tuning of SQL queries and API interactions between Angular and Node.js systems. Participated in Agile Scrum teams to support full lifecycle development tasks.

Education

  • Bachelor's degree in Systems and Computing
    University of the Andes · — — 2019