07/27/2026 updated
100 % available
Mobile-First Full-Stack Developer
Barranquilla, Colombia
Only remote
Bachelor's Degree in Computer ScienceAbout me
I have worked at multiple companies, learning a great deal from each one. I lean more towards mobile development, although I also have experience in web and backend development, thanks to the projects I've worked on in recent years. I also really enjoy designing user experiences (UX).
FlutterPHPAndroid (Software)Mobile Application DevelopmentDevOpsDjangoPython (Programming Language)Node.jsOpenStackRapid Application DevelopmentBlockchainIonicSmart ContractsRust (Programming Language)Mobile Os
Mobile Development
Expertise in building cross-platform mobile applications for iOS and Android using React Native, Flutter, Swift, Kotlin, Ionic, and Java, with a focus on performance optimization and user engagement.
Full-Stack Web Development
Proficiency in frontend technologies including React.js, Next.js, Vue.js, Angular, TypeScript, JavaScript (ES6+), HTML5, CSS3, Tailwind, and SASS, combined with backend development using PHP (Core, Laravel), Node.js, .NET, Python, C#, RESTFUL API, FASTAPI, and GraphQL.
Cloud & DevOps
Hands-on experience with AWS, Docker, Kubernetes, Jenkins, GitHub Actions, CI/CD pipelines, Git, Bitbucket, Vercel, and Render for scalable and maintainable deployments.
Database Management
Working knowledge of MongoDB, MySQL, PostgreSQL, and SQL for designing and optimizing database systems in high-traffic environments.
RESTful API Integration
Design and implementation of RESTful APIs and integration of third-party services including payment gateways, notifications, and CRM systems to enhance application functionality.
Authentication & Security
Implementation of secure authentication systems, RBAC, biometric authentication, and secure payment gateways to ensure data integrity and user trust.
Blockchain & Web3
Knowledge of Ethereum, Solidity, Solana, Smart Contracts, ethers.js, web3.js, Rust, AI, and LLM technologies.
UI/UX Collaboration
Collaboration with UX/UI designers to create intuitive interfaces that prioritize mobile usability and accessibility standards.
Expertise in building cross-platform mobile applications for iOS and Android using React Native, Flutter, Swift, Kotlin, Ionic, and Java, with a focus on performance optimization and user engagement.
Full-Stack Web Development
Proficiency in frontend technologies including React.js, Next.js, Vue.js, Angular, TypeScript, JavaScript (ES6+), HTML5, CSS3, Tailwind, and SASS, combined with backend development using PHP (Core, Laravel), Node.js, .NET, Python, C#, RESTFUL API, FASTAPI, and GraphQL.
Cloud & DevOps
Hands-on experience with AWS, Docker, Kubernetes, Jenkins, GitHub Actions, CI/CD pipelines, Git, Bitbucket, Vercel, and Render for scalable and maintainable deployments.
Database Management
Working knowledge of MongoDB, MySQL, PostgreSQL, and SQL for designing and optimizing database systems in high-traffic environments.
RESTful API Integration
Design and implementation of RESTful APIs and integration of third-party services including payment gateways, notifications, and CRM systems to enhance application functionality.
Authentication & Security
Implementation of secure authentication systems, RBAC, biometric authentication, and secure payment gateways to ensure data integrity and user trust.
Blockchain & Web3
Knowledge of Ethereum, Solidity, Solana, Smart Contracts, ethers.js, web3.js, Rust, AI, and LLM technologies.
UI/UX Collaboration
Collaboration with UX/UI designers to create intuitive interfaces that prioritize mobile usability and accessibility standards.
Experience
Professional experience5 - 10 years
Freelancer since2018
Languages
EnglishGood
Project history
Delivery application for shops and businesses, providing platforms for customers, administrators, and suppliers. Technologies: NestJS, TypeScript, Flutter, MongoDB, Bloc, React, JWT.
Developed cross-platform mobile applications using React Native (iOS & Android) with Node.js and REST APIs. Built scalable web dashboards using React, TypeScript, and modern UI frameworks. Implemented RESTful APIs and integrated third-party services to optimize backend performance and scalability for mobile-first solutions. Engineered secure authentication and data management systems. Designed backend systems including authentication, RBAC, analytics, and cloud services. Integrated third-party APIs (payments, notifications, CRM) and optimized MySQL queries.
Designed and implemented innovative features for a React Native educational application, enhancing user engagement and learning outcomes. Collaborated with cross-functional teams to deliver seamless integration between mobile and web platforms using React Native and React. Led the development of scalable, maintainable codebases for mobile and web applications. Conducted thorough testing and debugging to ensure high-quality releases.