Freelancers để thuê tại Colombia

  • MySQL
  • AJAX
  • CSS
  • SQL
  • PHP
  • Colombia
  • Online Users
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Hiện 14 kết quả
  • Thuê     juan09dev
Thuê     juan09dev

    juan09dev juan09dev

    Colombia $30 USD / giờ
    Full-Stack Developer
    Colombia
    2.8
    3 đánh giá 3 đánh giá $30 USD mỗi giờ
    I am a dynamic front-end developer with a specialization in React and GraphQL, and I bring a wealth of experience to the table. Over the past five years, I have crafted impactful B2C and B2B websites, demonstrating proficiency in React and GraphQL. In addition to my technical expertise, I have dedicated three years to...
    I am a dynamic front-end developer with a specialization in React and GraphQL, and I bring a wealth of experience to the table. Over the past five years, I have crafted impactful B2C and B2B websites, demonstrating proficiency in React and GraphQL. In addition to my technical expertise, I have dedicated three years to mentoring junior developers through local tech workshops, fostering a collaborative learning environment within the community. As a seasoned web developer, I have excelled both independently and as a team player, contributing to projects across diverse technologies. Beyond my primary focus, I possess a strong foundation in SEO practices, ensuring the websites I build are not only visually appealing but also optimized for search engine performance. In the realm of content delivery and optimization, I have extensive experience with CDN technologies, specifically Amazon CloudFront and Cloudflare. Leveraging Amazon CloudFront, I've seamlessly integrated global content delivery into my projects, enhancing the speed and reliability of data transfer. With Cloudflare, I've implemented advanced security features, DDoS protection, and optimized content delivery, contributing to improved web performance. My commitment to delivering top-notch user experiences extends to design, where I seamlessly translate Figma/PSD mockups into responsive and user-friendly UIs. I adhere to best practices in accessibility and maintainable code standards, ensuring the long-term success of the projects I undertake. In addition to my core skills, I have a solid understanding of state management using Redux, employing techniques such as Redux Thunk and Redux Saga to handle asynchronous operations and complex state logic effectively. I am also well-versed in Redux Toolkit, streamlining the development process and enhancing code maintainability. To further diversify my skill set, I have expanded my proficiency to include Vue.js and Angular.js. Additionally, I am adept at static site generation, providing scalable solutions for web applications. In summary, I am a results-driven front-end developer with a multifaceted skill set, encompassing React, GraphQL, Redux, and additional frameworks, rooted in a commitment to excellence, mentorship, and continuous learning. My expertise in CDN technologies, particularly with Amazon CloudFront and Cloudflare, ensures optimized content delivery and enhanced web performance for the projects I undertake in the ever-evolving field of web development. ít hơn
  • Thuê juan09dev
  • Thuê     dreyariza
Thuê     dreyariza

    dreyariza dreyariza

    Colombia $8 USD / giờ
    Web Design & Development Services
    Colombia
    4.2
    11 đánh giá 11 đánh giá $8 USD mỗi giờ
    I am a web programmer with 4 years of experience, oriented in the latest technologies. Experiences: * HTML5 * Javascript * CSS * MYSQL * ASP.NET * ASP Classic * SQL SERVER * PHP * JQUERY * WORDPRESS I have experience in communicating with customers and meeting their requirements. The differences among other...
    I am a web programmer with 4 years of experience, oriented in the latest technologies. Experiences: * HTML5 * Javascript * CSS * MYSQL * ASP.NET * ASP Classic * SQL SERVER * PHP * JQUERY * WORDPRESS I have experience in communicating with customers and meeting their requirements. The differences among other programmers my projects are all made with SEO technology ít hơn
  • Thuê dreyariza
  • Thuê     enervell
Thuê     enervell

    enervell enervell

    Colombia $50 USD / giờ
    Full-Stack Developer | Top Rated Expert
    Colombia
    2.5
    4 đánh giá 4 đánh giá $50 USD mỗi giờ
    I am a seasoned Full Stack Developer with over 9 years of experience in crafting robust and secure software solutions. I started with traditional languages like C# and Java and have since expanded into various languages like JavaScript, Ruby, and Python. Throughout my career, my primary focus has been on building...
    I am a seasoned Full Stack Developer with over 9 years of experience in crafting robust and secure software solutions. I started with traditional languages like C# and Java and have since expanded into various languages like JavaScript, Ruby, and Python. Throughout my career, my primary focus has been on building highly secure platforms and maintaining codebases that are easily testable through unit testing. My extensive knowledge extends to both SQL and NoSQL databases, including Oracle, PostgreSQL, MySQL, MongoDB, and AWS DynamoDB. I have a deep understanding of database design and optimization, which enables me to create efficient and scalable data solutions. In recent years, I've immersed myself in blockchain technology and DeFi, staying at the forefront of this rapidly evolving field. I'm also a proficient user of AWS cloud services for deployment and continuous integration/continuous deployment (CI/CD) pipelines. I've worked with a wide array of AWS services, including but not limited to ECS, EKS, EC2, API Gateway, and Lambda, enabling seamless deployment and scaling of applications. My technology stack is versatile: Frontend: React.js(Next.js and Gatsby.js) and Angular Backend: Java Spring Boot, TypeScript Node.js (Nest.js), PHP Laravel, Ruby on Rails Architecture: Microservices, messaging with Kafka Database: Oracle, PostgreSQL, MongoDB, AWS DynamoDB, Redis DevOps: Docker, Kubernetes, AWS services I'm always eager to learn new technologies and deliver top-notch results. Let's work together to achieve your goals in software development! ít hơn
  • Thuê enervell
  • Thuê     cramirez9416
Thuê     cramirez9416

    cramirez9416 cramirez9416

    Colombia $20 USD / giờ
    Frontend Developer | React | React Native
    Colombia
    2.6
    1 Nhận xét 1 Nhận xét $20 USD mỗi giờ
    Designer and frontend developer with more than 4 years of experience, expert in Prestashop, React.js, React Native and others JavaScript technology.
    Designer and frontend developer with more than 4 years of experience, expert in Prestashop, React.js, React Native and others JavaScript technology. ít hơn
  • Thuê cramirez9416
  • Thuê     vuestraweb
Thuê     vuestraweb

    vuestraweb vuestraweb

    Colombia $10 USD / giờ
    Equipo de ingenieros de desarrollo de sitios web
    Colombia
    2.7
    1 Nhận xét 1 Nhận xét $10 USD mỗi giờ
    Trabajamos con PHP, HTML, Javascript (y JQuery, jQuery Mobile, jQuery UI), CSS, bases de datos MySQL, otras tecnologías afines y con varios gestores de contenido (CMS), Wordpress, Joomla, Prestashop, etc, desde el 2013 hasta la fecha.
    Trabajamos con PHP, HTML, Javascript (y JQuery, jQuery Mobile, jQuery UI), CSS, bases de datos MySQL, otras tecnologías afines y con varios gestores de contenido (CMS), Wordpress, Joomla, Prestashop, etc, desde el 2013 hasta la fecha. ít hơn
  • Thuê vuestraweb
  • Thuê     davidsantiago3
Thuê     davidsantiago3

    davidsantiago3 davidsantiago3

    Colombia $30 USD / giờ
    Senior Web & Mobile Developer
    Colombia
    0.0
    0 đánh giá 0 đánh giá $30 USD mỗi giờ
    ● 8 years experience in Node JS, TypeScript and frameworks like Nest.JS, Express JS, Mostly in Angular + Nest.Js Stack. ● 8 Years of experience in React, React Native for Web and Mobile App development and 3 years of Futter Experience ● 4 years experience in GraphQL ● Hands on experience on deployment tools like...
    ● 8 years experience in Node JS, TypeScript and frameworks like Nest.JS, Express JS, Mostly in Angular + Nest.Js Stack. ● 8 Years of experience in React, React Native for Web and Mobile App development and 3 years of Futter Experience ● 4 years experience in GraphQL ● Hands on experience on deployment tools like Docker, Jenkins, Github Actions ● Databases like MSSql, PostgreSQL, MongoDB, Redis and Prisma as a Database Utility ● Experience on Amazon Web Services (Lambda, Step Machines, VPC, EC2 Instance , Load Balancer etc) ● Good Understanding of GIT versioning ● Following Test Driven Development using Jest, Chai, Mocha ít hơn
  • Thuê davidsantiago3
  • Thuê     ludwinglab
Thuê     ludwinglab

    ludwinglab ludwinglab

    Colombia $35 USD / giờ
    Python & Mobile Expert - Swift,Android,Flutter,RN
    Colombia
    0.0
    0 đánh giá 0 đánh giá $35 USD mỗi giờ
    With Ludwing David, you will find the perfect way towards flourish. Over the years, I've cultivated extensive skills in python / mobile app development - skills fitted to finalize your project efficiently and ensure maximum usability. I have successfully leveraged technologies like React Native and Flutter to create...
    With Ludwing David, you will find the perfect way towards flourish. Over the years, I've cultivated extensive skills in python / mobile app development - skills fitted to finalize your project efficiently and ensure maximum usability. I have successfully leveraged technologies like React Native and Flutter to create cross-platform applications that run seamlessly on both iOS and Android devices. My expertise extends to native iOS development using Swift and SwiftUI, allowing me to craft high-quality, visually appealing mobile apps that prioritize both functionality and aesthetics. What sets me apart is my profound understanding of mobile compatibility and the cross-platform skills honed through countless projects to be accessible on all devices. I've always valued quality and aesthetics, precisely why I also complement my technical skills with an intuitive sense of graphic design that ensures each aspect of the screen looks visually engaging. Working with me assures you of a harmonious team spirit and a final product that truly reflects your vision. ít hơn
  • Thuê ludwinglab
  • Thuê     Heriberto03
Thuê     Heriberto03

    Heriberto03 Heriberto03

    Colombia $20 USD / giờ
    Ingeniero Mecatrónico
    Colombia
    0.0
    0 đánh giá 0 đánh giá $20 USD mỗi giờ
    Ingeniero Mecatrónico con conocimientos en diseño 3D, robótica, IOT, visión artificial, programación de microcontroladores, programación android y diseño web.
    Ingeniero Mecatrónico con conocimientos en diseño 3D, robótica, IOT, visión artificial, programación de microcontroladores, programación android y diseño web. ít hơn
  • Thuê Heriberto03
  • Thuê     ninjasolution643
Thuê     ninjasolution643

    ninjasolution643 ninjasolution643

    Colombia $30 USD / giờ
    .NET Engineer
    Colombia
    0.0
    0 đánh giá 0 đánh giá $30 USD mỗi giờ
    I am an experienced and passionate system architect and developer. My main areas of expertise are: .NET: C# 6, VB.NET, Azure, ASP.NET, MVC, WPF, WCF. Web API, LINQ. Databases: SQL Server 7 - 2014, Oracle 9-12. NoSQL: MongoDB, ElasticSearch. Client side: Javascript, AJAX, JQuery, Angular and React. I am a huge MVC...
    I am an experienced and passionate system architect and developer. My main areas of expertise are: .NET: C# 6, VB.NET, Azure, ASP.NET, MVC, WPF, WCF. Web API, LINQ. Databases: SQL Server 7 - 2014, Oracle 9-12. NoSQL: MongoDB, ElasticSearch. Client side: Javascript, AJAX, JQuery, Angular and React. I am a huge MVC follower. I consider this framework the best web dev tool from Microsoft, because it clearly separates the business logic from presentation, solutions are easy to develop and maintain. Ecommerce: I have extensive experience customizing nopCommerce system, building plugins and setting up turn-key shops on the web using this opensource .NET platform. CMS: I have set up a number of sites using Orchard CMS, both for internet and complex intranet systems. I have experience in mobile development. I developed a couple of game apps using Xamarin Studio. This is a fantastic tool which helps us develop native iOS, MacOS and Android games with the Microsoft .NET technology stack. With MVVM Cross we maintain single backend codebase for apps on different mobile platforms. I have exposure to games and virtual reality apps development with Unity3D. Please see portfolio for more samples. Having a university degree in computer science, I value customers who appreciate efforts invested in using OOD patterns, utilizing full strength of OOP and UML modelling. Analyzing business requirements and producing technical specs is something I was doing for the last 10 years. I lead software teams that provide full cycle of software development. I am not interested in "one hour" or "one-day" jobs. I establish long-lasting relationships with my clients. I always consider commitment to the result as the first priority. ít hơn
  • Thuê ninjasolution643
  • Thuê     andres1216jesus
Thuê     andres1216jesus

    andres1216jesus andres1216jesus

    Colombia $25 USD / giờ
    Embedded System Engineer
    Colombia
    0.0
    0 đánh giá 0 đánh giá $25 USD mỗi giờ
    As an experienced embedded system engineer, I have a strong background in developing and testing firmware for a variety of microcontrollers, including ESP32, STM32, Raspberry Pi, Arduino, PIC, AVR, and ARM. Also I have some experience in developing of web and App program.
    As an experienced embedded system engineer, I have a strong background in developing and testing firmware for a variety of microcontrollers, including ESP32, STM32, Raspberry Pi, Arduino, PIC, AVR, and ARM. Also I have some experience in developing of web and App program. ít hơn
  • Thuê andres1216jesus

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