Name: React.js developers
Brand: Upwork
Rating: 4.8 (119 reviews)

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Clients rate React.js developers

4.8/5

based on 119 client reviews

$50 hourly
- 5.0/5
- (4 jobs)
My name is Fernando Castillo. I am a full stack developer with more than 15 years of experience. I've been working for a mix of industries such as Financial, Medical, Outsourcing, Workout, Education and more. I am capable of building an entire SAAS from scratch in average of 4 months. I use Stripe for payment and subscription process. I like to implement the Billing Customer Portal in my projects in order to offer more flexibility to the final user regarding all about subscriptions, payments, credit card info and more. My stack: - Javascript, ES6 ReactJs, VueJs, React Native, Next, Nuxt, Redux, Vuex - Tailwind, Bootstrap, Material - PHP and Laravel framework from 5 to 10 version - AWS cloud infrastructure - Unit testing, TDD - Deployment with Travis, Bitbucket pipelines, Jenkins - Shopify - Stripe: Subscriptions, webhooks, payments - Linux/Windows servers - Mac as my own stack Currently available to work in your project. Hopefully we can chat soon

React.js
AWS Application
Shopify Apps
React Native
Tailwind CSS
PHP
Laravel
Node.js
React
Git
Angular
$45 hourly
- 4.9/5
- (9 jobs)
Hi A senior full stack engineer with extensive experience in modern web development technologies, specializing in JavaScript and TypeScript for building scalable and responsive front-end applications. Proficient in React, Angular, and Vue frameworks, delivering complex user interfaces with optimized performance and usability. Skilled in back-end development using Node.js, Python, and PHP, and has built robust APIs and services with frameworks like Flask, Django, and Laravel. Experienced in creating and managing WordPress and Shopify solutions, focusing on custom themes, plugins, and e-commerce functionalities. Developed multiple web applications using Ruby on Rails and Golang for efficient, secure, and maintainable software solutions. Passionate about integrating ML/AI into web applications to provide intelligent, data-driven features. Expertise in DevOps practices, using tools like Docker, Kubernetes, and CI/CD pipelines for streamlined deployments and enhanced infrastructure management. Let's discuss further your project Thanks

React.js
J2EE
Angular
Node.js
React
Spring Boot
SaaS
Scala
Kotlin
Spring Framework
Bootstrap
jQuery
HTML
JavaScript
Java
Python
$55 hourly
- 5.0/5
- (5 jobs)
Experienced software developer with 7 years in the industry, now focusing on blockchain for the past 2 years. I have a strong interest in blockchain but also seek diverse software development experiences.

React.js
Ruby on Rails
PostgreSQL
MongoDB
Firebase Realtime Database
Desktop Application
Amazon Web Services
Firebase
Smart Contract Development
Vue.js
Laravel
Blockchain
React
Node.js
C++
Python
$40 hourly
- 4.9/5
- (5 jobs)
I am a results-driven Full-Stack and Blockchain Developer with extensive experience building scalable, high-performance applications for Web3, DeFi, fintech, and enterprise platforms. Proficient in React, Next.js, TypeScript, Node.js, Python, and Docker, I create responsive, robust interfaces and back-end systems that deliver seamless functionality and user satisfaction. My skill set includes developing secure, gas-optimized smart contracts and blockchain-integrated solutions using Solidity, Ethers.js, Web3.js, Rust, Solana Web3 and The Graph. From crafting interactive NFT marketplaces to high-stakes DeFi platforms, I bring the technical depth needed to build and maintain decentralized applications. I also have hands-on expertise with GraphQL, REST APIs, Tailwind CSS, and modern UI/UX principles, ensuring each project is optimized for speed, usability, and visual appeal. With a strong track record of optimizing codebases and enhancing performance, I prioritize quality assurance and well-tested solutions to meet both technical and business goals. Let’s connect to discuss how I can bring your project to life with technical rigor, reliability, and an exceptional user experience. What I Offer: - Full-Stack Development: Skilled in React, Next.js, TypeScript, Node.js, and Python, I build responsive and scalable applications with seamless integration of front-end and back-end systems. My expertise ensures robust, high-performance solutions that meet complex project needs, from financial platforms to social and community applications. - Blockchain & Web3 Development: Proficient in Solidity, Ethers.js, Web3.js, Rust, Solana Web3 and The Graph, I develop secure, gas-optimized smart contracts and decentralized applications (dApps) tailored for Web3, DeFi, and NFT platforms. My experience ranges from crafting interactive NFT marketplaces to integrating multi-chain functionalities. - Bot Development: Experienced in creating Telegram Bots, Mini Apps, and Discord Bots, I design and implement automated solutions for communication, community management, and interactive features. My bots are built with real-time data handling and personalized user interactions, ideal for enhancing user engagement in finance, gaming, and community platforms. - API Integration & Real-Time Data Handling: Proficient in GraphQL, REST APIs, and Axios, I build efficient data pipelines and real-time applications that manage dynamic data effectively. This expertise ensures robust and responsive API architectures, delivering smooth interactions for high-traffic applications. - Responsive UI/UX Design: Leveraging Tailwind CSS, D3.js, and modern design principles, I develop visually engaging, fully responsive interfaces that prioritize usability and accessibility. My designs adapt seamlessly across devices, providing an optimal experience for users on both mobile and desktop. Key Strengths: - Quality-Driven Coding & Performance Optimization: Committed to delivering well-tested, maintainable code with an emphasis on scalability, security, and speed. My approach ensures each project meets high standards for long-term stability. - Agile Collaboration & Problem-Solving: Experienced in Agile environments, I work effectively with cross-functional teams, including product managers and designers, to achieve project goals. I’m skilled at translating technical requirements into actionable solutions that align with broader business objectives. - Innovative Web3 & Bot Solutions: With a passion for blockchain, DeFi, and automated bot technology, I explore new tools and strategies to improve dApp functionality and user interaction. My bot expertise spans Telegram and Discord, bringing unique, interactive solutions that foster community engagement and streamline communication. - Clear Communication & Mentorship: I prioritize clear, proactive communication and enjoy mentoring junior developers. My approach fosters a collaborative, knowledge-sharing culture that enhances team performance and project success.

React.js
Web3
Bot
DApps
Ethereum
Solana
Smart Contract
NestJS
Rust
Next.js
React
Angular
Node.js
Python
TypeScript
JavaScript
$40 hourly
- 5.0/5
- (5 jobs)
Hi, Thank you for visiting my profile! I am a full-stack Website and Mobile App (Mainly React and React Native) with over 6+ years of hands-on experience creating dynamic and efficient web solutions. From developing websites, and developing and integrating strong APIs to designing user-friendly interfaces, I am passionate about realising digital visions with accuracy and finesse. My expertise covers a wide range of technologies, including: Front-end Development: HTML, CSS, JavaScript, React, React Native, Angular, Vue, Next.Js, TypeScript Backend Development: NodeJS, Express JS, PHP Laravel, RESTful API, GraphQL, Chat GPT | Open AI | API Database: MySQL, PostgreSQL, MongoDB, SQLite, Firebase Realtime Database Looking forward to joining a long-term contract. Thank you.

React.js
Vuex
SCSS
Android
iOS
Front-End Development
CSS 3
Redux
Angular
Vue.js
Tailwind CSS
TypeScript
JavaScript
Next.js
React Native
React
$50 hourly
- 5.0/5
- (2 jobs)
As a highly skilled Full Stack Developer with 10+ years of experience, I specialize in creating data-driven, and user-centric web applications. Currently based in Mexico, so I am available online during EST and GMT time zone business hours. Top Technical Skills: • Programming Languages: Python, JavaScript, TypeScript, HTML, CSS • Frontend Development: React.js, Vue.js, Next.js, Nuxt.js • Backend Development: Node.js, Django, Flask, FastAPI • Database Management: MySQL, PostgreSQL, SQLite, MongoDB, Firebase, DynamoDB, Redis, NoSQL, RDBMS • API Integration: Stripe, PayPal, Twilio, Sendgrid v3, Recurly, DoorDash, Postmates, Airhob, Zoom, Nexmo, Mailchimp, Squareup, Shopstagion, Podio, Amazon API, Google APIs • Cloud & DevOps: AWS, Azure, Docker, Kubernetes, Git • Data Management: JSON & XML handling, Data Visualization, Excel Automation With over a decade of dedicated experience in web development and more than 8 years as a Full Stack Developer, I bring a comprehensive understanding of both frontend and backend systems. My versatility in seamlessly adapting to various languages, frameworks, and libraries enables me to deliver tailored solutions that meet the unique needs of each project with precision and efficiency. Passionate about embracing challenges and continuously learning new technologies, I approach every project with enthusiasm and a forward-thinking mindset. My deep interest in data science further expands my technical expertise, complementing my strong foundation in hardware and software development, supported by a degree in Computer Science.

React.js
Web Development
API
MongoDB
SQL
Tailwind CSS
AWS Cloud9
Flask
Django
Python
MERN Stack
Node.js
Vue.js
Next.js
React
JavaScript
$40 hourly
- 4.8/5
- (60 jobs)
- 13 years of experience in Software Engineering - Preferred stack , JS \ Node \ Express \ Nest \React\ Vue\ Next js \ PHP Laravel - Industry consultant helping improve and expand products for established companies and planning and building MVPs for startups. - I've been a technical Project Manager, leading multidisciplinary teams for project success. - C2 English Certified

React.js
Adobe Illustrator
Shopify
API Development
HTML5
React
WordPress Plugin
WordPress
Laravel
Adobe Photoshop
PHP
$40 hourly
- 4.9/5
- (11 jobs)
Welcome to my profile! I’m a passionate developer with over 17 years of experience in the tech industry, starting my journey at the age of 15. I specialize in Front-End technologies and UX design, with a strong background in projects using VueJS, Svelte and React. My expertise encompasses UX design, adaptive layouts, CSS animations, and cross-browser compatibility, ensuring optimal functionality and visual appeal. I excel in handling complex challenges, leveraging the latest technologies to deliver top-notch solutions efficiently. I’m committed to delivering projects that not only meet but exceed your expectations, all within the agreed timeframe. Whether you need an eye-catching animation or a robust web application, I’m here to help you succeed. Please feel free to contact me to discuss how we can bring your project to life!

React.js
Svelte
Sketch
Figma
Vuex
Nuxt.js
Next.js
Redux
Bootstrap
Node.js
React
Vue.js
Sass
CSS 3
HTML5
JavaScript
$28 hourly
- 5.0/5
- (10 jobs)
Detail-oriented and adaptable Software Engineer with 4+ years of experience in developing full-stack applications, particularly in cloud environments such as AWS. Proficient in building dynamic front-end applications using various frameworks, with a strong focus on Angular and React. Experienced in Java and Spring Boot for backend development and skilled in Python for various programming tasks. Proficient in using Jest and JUnit for unit testing. Experienced in iterative development, continuous integration, and collaborative problem-solving within agile methodologies, contributing to the delivery of robust and scalable applications. Languages • Typescript • Python • Java • Javascript • C# • Sql • HTML & CSS Frameworks • React / React Native • Vue.js • Angular • SaaS • Spring boot • .Net • Express.js • MongoDB • Jest JUnit Cypress

React.js
Android
Android SDK
Android App Development
MongoDB
Agile Software Development
TypeScript
JavaScript
Jest
React
Hybrid App Development
React Native
Firebase
JSON API
Object-Oriented Programming
XML
Java
SQL
Git
$12 hourly
- 5.0/5
- (11 jobs)
Greetings, I'm Ricardo, a dedicated Full Stack Web Developer with a passion for crafting innovative web and mobile applications. My journey in this field is fueled by a relentless pursuit of knowledge and a commitment to lifelong learning. With over 2 years of hands-on experience, I offer a robust skill set encompassing JavaScript, CSS, HTML, React, React Native, Node.js, TypeScript, and Tailwind. Whether it's front-end development for web or mobile applications, or diving into the intricacies of backend systems, I bring versatile expertise to the table. I take pride in my ability to transform ideas into tangible digital solutions. If you're seeking assistance in bringing your project to life, count on me to collaborate with you every step of the way. Let's build something remarkable together.

React.js
Node.js
Git
Tailwind CSS
HTML
CSS
Redux
Next.js
CSS 3
React
Responsive Design
TypeScript
JavaScript
React Native
GitHub
$30 hourly
- 5.0/5
- (2 jobs)
Seeking a Front-end Software Developer? I'm here to help! With 3 years of expertise, I specialize in: Crafting captivating user experiences Driving results through innovative solutions Expertise in JavaScript, TypeScript, React, React Native, Expo, and Next.js I've contributed to projects like ComBTas, ReWalk (Therapist Mobile App), ReWalk (Patient App), ComBTas Agents, and WeTask. I thrive on projects of varying complexity, including websites, single-page applications (SPAs), and mobile applications. Let's collaborate to bring your vision to life!

React.js
Native Fluency
Web Development
Expo.io
Next.js
JavaScript
TypeScript
Responsive Design
Front-End Development
React
React Native
$30 hourly
- 5.0/5
- (3 jobs)
Welcome! Proficient in Django and Flask for Python web development, and I excel in developing game applications using Unity, Three.js, Unreal Engine and Godot Engine. As a senior developer, I take pride in my ability to develop high-quality and user-friendly applications. Experienced in: - Python, Swift, Java, Kotlin - Unity, Three.js, Unreal Engine and Godot - Django, Flask, React Native, Flutter, Node.js, Next.js, NestJS, React - .NET, ASP.NET, Blazor - MySQL, PostgreSQL, SQLite, Firebase - NLP, TensoFlow, Keras, PyTorch, Tableau - Git, SVN - Amazon Web Services, Google Cloud Platform - Agile Development Methodologies I'd love to talk to you about your project and how I can help you achieve your goals.

React.js
Golang
ASP.NET
.NET Framework
C#
Node.js
NestJS
Swift
React Native
Django
Flutter
Lua
Next.js
React
Flask
Python
$75 hourly
- 4.2/5
- (16 jobs)
Need an expert Golang, PHP, JavaScript (Node/React/Next/Angular), or Java developer? Are you looking for high-quality 😀 code or low-quality 😣 code? Do you know what makes code to be HIGH QUALITY? It's two things: it must work correctly (without bugs 😖) and be easy to update/modify/integrate/extend. Why? Because you are going to want to make changes to that code. 90% of the time spent on development is spent working on existing, not new. And that means that high-quality code is a lot less expensive down the road—a LOT. And how do you get that? Aside from experience, you want test-driven development, clean code (that you get with much refactoring), clean architecture, using the right technologies, and precise documentation (for the user and future developers). Also, you want someone who is a good communicator who can get your needs (and wants) right and who can get much feedback from you to ensure everything works as expected. It does not matter if you want to build a server on Golang for a microservice that you want to launch or you want to get a user interface to interact in a certain way, or even if you are trying to solve a bug on an existing project: hiring a high-quality developer is worth so much more than what you pay for it. What can I do for you: - Code whatever you can dream (as long as the technology allows it) - Make highly performing code (optimized for speed or memory, as needed) - Write clean, well-tested (high coverage) code - Make well-documented, clean code that is easy to work on (even if you want me to be your leading developer, sooner or later, you will thank me for this) - Architect your system (for more extensive developments) - Refactor and debug (and document) your existing code - Lead (or join) a team of developers and designers - Write amazing Golang, Java, JavaScript, and PHP systems - Learn new technologies as needed (I am always learning) Some of the other technologies I have already used: - React - Git - SSH - Linux - HTTP - AWS - Slack - SQL - NoSQL - JSON - REST - Angular - Arduino I am also familiar with: - Design Patterns - Refactoring - Clean Code - Clean Architecture - 3 and 4-tier architecture - Client/Server architecture - Kernel/Plugin architecture - Microservices - Server management - Web design - Web marketing Who am I? I am a software developer and engineer who loves automated testing, clean code, and clean architecture. I started coding in BASIC on my dad's computer when I was seven. Now, as a software Architect and Senior Developer, I work on projects using Golang, JavaScript, TypeScript, Java, PHP, and many other technologies that would be too long to list here. I am a great learner, always looking to understand and "grok" the technologies I use. I don't have any preferred technology, as they are different and work for other things. Also, I love music and video games.

React.js
Google Cloud Platform
Web Development
Full-Stack Development
React
Clean Architecture
Project Management
Agile Software Development
Web Design
JavaScript
Redis
SQL
Golang
MongoDB
API
Software Architecture & Design
$35 hourly
- 4.9/5
- (14 jobs)
As a full stack developer, I bring a wealth of experience and expertise to help you create modern, user-friendly, and scalable web applications or software products. With proficiency in technologies such as HTML, CSS, JavaScript, React, Node.js, Express, MongoDB, and more.

React.js
Next.js
React Native
Angular
CSS 3
Ionic Framework
HTML
React
Tailwind CSS
API
Node.js
TypeScript
Ruby on Rails
Docker
Python
$50 hourly
- 5.0/5
- (30 jobs)
🚀 Transforming Ideas into High-Performance Digital Solutions I’m a seasoned Full-Stack Developer with 5+ years of experience developing in Gatsby.js, Next.js, 1+ year in GoHighLevel. My expertise lies in creating blazing-fast web applications, seamless marketing automation workflows, and scalable full-stack solutions. I merge the best of web development and marketing tools to ensure outstanding results for your business. 💡 Why Choose Me? 1. Specialized Expertise: Advanced skills in Gatsby, Next.js, and GoHighLevel, ensuring cutting-edge solutions. 2. Performance-Driven Results: Proven track record of optimizing speed, SEO, and scalability. 3. Full-Stack Development: Seamless frontend-to-backend integration for complete solutions. 4. Marketing Integration: Unique ability to bridge development with marketing tools like GoHighLevel. 5. Clear Communication: Frequent updates and transparency throughout your project. Core Skills Frontend Development - Next.js: App Router, SSG, SSR, ISR - Gatsby.js: Static Site Generation, CMS Integration (WordPress, Strapi, Contentful) - React.js, JavaScript (ES7+), Tailwind CSS, Material UI - HTML5, CSS3, SCSS, Styled-Components Backend Development - Node.js, Express.js, REST & GraphQL APIs - Headless CMS: Strapi, WordPress, Contentful - Database Optimization: MongoDB, PostgreSQL, MySQL GoHighLevel Automation - Funnel Creation & Optimization - Workflow Automation & Custom API Integrations - CRM Management & Marketing Campaigns Hosting & Deployment - Vercel, Netlify, AWS, Digital Ocean - Serverless Deployments & CI/CD Pipelines Search & Optimization - SEO Optimization (Core Web Vitals, Lighthouse) - Advanced Search Solutions: Typesense, Algolia 🌟 Featured Expertise ✅ Next.js & Gatsby.js: Developed 100+ blazing-fast web applications with SEO-first principles. ✅ GoHighLevel Automation: Created custom workflows for marketing funnels, CRM integration, and lead optimization. ✅ Performance Optimization: Reduced build times, improved Core Web Vitals scores, and enhanced scalability for complex projects. 📈 Recent Achievements - Built a Next.js & GoHighLevel-integrated funnel for a real estate project, improving lead conversions by 35%. - Migrated a legacy WordPress site to Gatsby.js with a 50% improvement in page load speed and SEO. - Developed a scalable API-driven application with Next.js, reducing infrastructure costs by 20%. Integrated Algolia search for an e-commerce site, enhancing user search experience by 40%. 💬 Let’s Work Together! Ready to elevate your project with Gatsby, Next.js, or GoHighLevel? Let’s collaborate to create a solution that drives growth, performance, and user engagement.

React.js
HighLevel
CSS
GitHub
GraphQL
Strapi
Node.js
Full-Stack Development
Tailwind CSS
API Integration
TypeScript
JavaScript
React
Gatsby.js
Next.js
$50 hourly
- 5.0/5
- (5 jobs)
Being a JavaScript expert, I can build any websites from design - pixel perfect and responsive. I am also a well-experienced desktop software developer. I'm proficient in - React.js, Redux - Angular 2+, AngularJS - Vue.js, Nuxt.js - Node.js, express - electron - C#, Qt If you're looking for an experienced, efficient, high-quality developer to get the job done, look no further.

React.js
Node.js
AngularJS
React
Ruby on Rails
Angular
D3.js
Amazon Web Services
JavaScript
PHP
Vue.js
$35 hourly
- 5.0/5
- (11 jobs)
I am a fullstack web developer, I like to do beautiful designs and useful applications, I like to deliver quality on time, I love Javascript, angular, nodejs, mongodb, CI/CD, PHP, Laravel and mysql. I have knowledge of security and stability in high user volume applications. my greatest strengths are: ability to learn from mistakes, creative thinking and communication skills

React.js
Web Design
React
MongoDB
JavaScript
PHP
$55 hourly
- 5.0/5
- (19 jobs)
I have 8+ years of experience in Python programming and I am certified on AWS. My certifications: - AWS Fundamentals: Going Cloud-Native - AWS Fundamentals: Building Serverless Applications - Semantic Segmentation with Amazon Sagemaker - Getting Started with AWS Machine Learning My main aim is dedicated to Full-stack web development and DevOps Engineering. I use Python and JavaScript for developing scalable, reliable, and supportable products. I am also not limited to web development, I have couple of years of experience in DevOps engineering, especially for Amazon Web Services. I can help people and companies with automating operations and business processes. My skill set includes: - Programming Languages: Python, JavaScript - Backend: Django, Flask, Serverless, Celery - Frontend: React.js, jQuery, HTML5/SCSS - Docker / docker-compose - Linux server administration / performance optimization (Debian / Ubuntu / CentOS) - AWS / EC2 / Elastic Beanstalk / ECS / Lambda / S3 / RDS / AWS API Gateway / Route 53 - Web servers: Nginx, Apache - Databases: PostgreSql, MySql, SQLite, MongoDB - Project management / collaboration : JIRA, Trello - Version control systems: git (with GitFlow, GitHub Flow workflows) - Deep experience with DevOps I'm ready to provide my clients with the pros and cons on each choice they make and convey my recommendations for their selections, with deadline-driven manner, strong attention to detail and consensus-building and teamwork. Thanks!

React.js
AWS Lambda
Django
Amazon S3
Amazon API Gateway
React
JavaScript
Serverless Computing
Flask
Node.js
Python
$35 hourly
- 5.0/5
- (2 jobs)
Hi. I am a senior web developer who has 6yrs of rich experience about the web development. Especially, I have solid knowledge about MEAN & MERN & LAMP stack. My Main Skills: - Backend: Node.js, Django, Laravel, Codeigniter, PHP, Ruby on Rails - Frontend: React/Redux, Angular, VueJS - Database: SQL or No-SQL DB ( MySQL, PostgreSQL, MongoDB, DynamoDB, SQLite) - Cloud Services: Google Cloud, AWS, Heroku, Digital Ocean or Any standard VPS - Social Integration: Facebook, Twitter, OAuth - Payment processors: Authorize.Net, PP, Amazon Pay, Stripe, Apple Pay I am a individual full-time freelancer who can commit at least 50hrs/week in client's timezone. I always focus on 100% project before deadline. Thanks. Luis.M

React.js
PHP
Ruby on Rails
Redux
Python
React
Angular
JavaScript
Node.js
Laravel
Vue.js
$40 hourly
- 5.0/5
- (1 job)
Hello, I am a web developer with 6 years of experience. I am expert in Wordpress, Woocommerce, Buddy press, SEO, Pixel perfect and Front end development. I focused on front end development but I have also enough experience with back end development. Upwork will be my life :)

React.js
BuddyPress
Front-End Development
HTML
WooCommerce
PHP
WordPress
jQuery
React
CSS
JavaScript
$45 hourly
- 5.0/5
- (6 jobs)
I am excited to offer you an 𝐢𝐦𝐩𝐫𝐞𝐬𝐬𝐢𝐯𝐞 set of skills as a leader, full 𝐦𝐮𝐥𝐭𝐢-𝐬𝐭𝐚𝐜𝐤 developer, and 𝐚𝐫𝐜𝐡𝐢𝐭𝐞𝐜𝐭 (𝑟𝑒𝑎𝑑 𝑏𝑒𝑙𝑜𝑤), with a 𝒹𝑒𝒹𝒾𝒸𝒶𝓉𝑒𝒹 𝒶𝓃𝒹 𝓋𝑒𝓇𝓎 𝒽𝓊𝓂𝒶𝓃 service with over 𝟏𝟐 𝐲𝐞𝐚𝐫𝐬 of successful experience working with various companies and personal projects. I focus on coding standards at enterprise level, being passionate about excelling in every aspect of my work, with focus in go beyond expectations about human service quality, making it delightful and smooth to work with me. *𝐇𝐞𝐫𝐞’𝐬 𝐚 𝐬𝐮𝐦𝐦𝐚𝐫𝐲 𝐨𝐟 𝐦𝐲 𝐭𝐞𝐜𝐡𝐧𝐢𝐜𝐚𝐥 𝐬𝐤𝐢𝐥𝐥 𝐬𝐞𝐭:* - *𝐁𝐚𝐜𝐤𝐞𝐧𝐝:* 𝙇𝙖𝙧𝙖𝙫𝙚𝙡, PHP, JavaScript, Python, Java and their frameworks (𝑆𝑝𝑟𝑖𝑛𝑔, 𝙉𝙚𝙨𝙩.𝙟𝙨, 𝐷𝑗𝑎𝑛𝑔𝑜 𝑎𝑠 𝑤𝑒𝑙𝑙 𝐨𝐭𝐡𝐞𝐫𝐬). - *𝐅𝐫𝐨𝐧𝐭𝐞𝐧𝐝:* 𝙍𝙚𝙖𝙘𝙩.𝙟𝙨, Angular, Vue.js, 𝙉𝙚𝙭𝙩.𝙟𝙨, Svelte, Livewire. - *𝐒𝐭𝐲𝐥𝐢𝐧𝐠:* Bootstrap, TailwindCSS, SASS, SCSS. - *𝐖𝐞𝐛:* Vanilla JS, HTML, and CSS. - *𝐃𝐞𝐬𝐢𝐠𝐧:* Proficient in FIGMA. - *𝐂𝐫𝐲𝐩𝐭𝐨:* Experience with Solana, web3, and DeFi technologies, as well as financial and technical indicators. - *𝐄-𝐂𝐨𝐦𝐦𝐞𝐫𝐜𝐞 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞:* Extensive experience in building 𝙈𝙖𝙜𝙚𝙣𝙩𝙤 and 𝙎𝙝𝙤𝙥𝙞𝙛𝙮 e-commerce stores, developing custom modules and plugins, and creating dynamic storefronts using the PWA JS library. - *𝐒𝐨𝐟𝐭𝐰𝐚𝐫𝐞 𝐃𝐞𝐬𝐢𝐠𝐧:* I typically employ Test Driven Development (TDD) and Domain Driven Design (DDD) when possible. I focus on scalable, maintainable, efficient, and robust coding practices using the latest technologies to deliver high-quality solutions. - *𝐀𝐥𝐠𝐨𝐫𝐢𝐭𝐡𝐦𝐢𝐜 𝐓𝐫𝐚𝐝𝐢𝐧𝐠:* I have developed complex indicators and expert advisors using MT4/5, Pinescript, and various Python and Java frameworks, implementing sophisticated algorithmic trading strategies. - *𝐂𝐲𝐛𝐞𝐫𝐬𝐞𝐜𝐮𝐫𝐢𝐭𝐲*: Highly advanced cybersecurity and ethical hacking. - *𝐃𝐨𝐦𝐚𝐢𝐧𝐬:* Crypto world, banking sector, retail stores, IoT, Web/Android and IOS apps. Additionally, I am adept at 𝐜𝐨𝐝𝐞 𝐟𝐢𝐱𝐢𝐧𝐠, 𝐝𝐚𝐭𝐚 𝐬𝐜𝐫𝐚𝐩𝐢𝐧𝐠, and developing 𝐦𝐚𝐭𝐡𝐞𝐦𝐚𝐭𝐢𝐜𝐚𝐥 𝐦𝐨𝐝𝐞𝐥𝐬, among other capabilities. With this broad experience, I can quickly adapt to any programming language with a low learning curve. I pride myself on being a 𝐜𝐥𝐞𝐯𝐞𝐫, 𝗵𝗮𝗿𝗱𝘄𝗼𝗿𝗸𝗶𝗻𝗴, and 𝗵𝘂𝗺𝗮𝗻-𝗰𝗲𝗻𝘁𝗿𝗶𝗰 individual that teams and clients want to work with. I consistently exceed expectations and possess a profound understanding of requirements and goals, making collaboration a pleasure. I often receive recognitions such as “𝗰𝗹𝗲𝘃𝗲𝗿,” “𝗵𝘂𝗺𝗮𝗻,” and “𝗳𝗮𝘀𝘁𝗲𝗿 𝗮𝗻𝗱 𝗯𝗲𝘁𝘁𝗲𝗿 𝘁𝗵𝗮𝗻 𝗲𝘅𝗽𝗲𝗰𝘁𝗲𝗱,” reflecting my commitment to excellence in both technical work and customer satisfaction. In many projects, I have acted in 𝐝𝐢𝐟𝐟𝐞𝐫𝐞𝐧𝐭 𝐫𝐨𝐥𝐞𝐬: IT manager, team manager, scrum master, customer support lead, Senior developer, and Architect—ensuring to cover all aspects of your project within the deadline with 𝐰𝐨𝐰-𝐥𝐢𝐤𝐞 𝐫𝐞𝐬𝐮𝐥𝐭𝐬. Additionally, I have extensive experience hiring technical professionals and conducting technical interviews. Using Rapid Application Development (RAD) tools and AI technology, as well as being proficient in several reporting and service tools, has allowed me to deliver quick outputs to showcase how your project will look with plenty of good service. It would be a pleasure to work with you and turn your dream project into a reality, with that 𝐬𝐰𝐞𝐞𝐭 𝐜𝐨𝐦𝐛𝐢𝐧𝐚𝐭𝐢𝐨𝐧 of 𝐩𝐫𝐨𝐟𝐞𝐬𝐬𝐢𝐨𝐧𝐚𝐥 and 𝐡𝐮𝐦𝐚𝐧 that you deserve. I look forward to the opportunity for a pleasant discussion about your project. 𝐒𝐢𝐧𝐜𝐞𝐫𝐞𝐥𝐲, 𝐉𝐞𝐬𝐮𝐬 TAGS: [𝗥𝗼𝗹𝗲𝘀]: Senior Developer, Senior Architect, IT Manager, Team Lead, Scrum Master, Customer Support Lead, Backend Developer, Frontend Developer, Multi-stack Developer, Full-stack Developer, E-Commerce Expert, Algorithmic Trader, Software Designer, Technical Recruiter. [𝗧𝗲𝗰𝗵𝗻𝗼𝗹𝗼𝗴𝗶𝗲𝘀]: Java, PHP, Python, JavaScript, HTML, CSS, Vanilla JS, TypeScript. [𝗙𝗿𝗮𝗺𝗲𝘄𝗼𝗿𝗸𝘀]: Spring, Laravel, Django, Next.js, React, Vue, Svelte, Livewire, Bootstrap, TailwindCSS, SASS, SCSS. [𝗗𝗲𝘀𝗶𝗴𝗻]: Figma, UI Design, UX Design. [𝗖𝗿𝘆𝗽𝘁𝗼]: Crypto, Blockchain, Solana, Web3, DeFi, Financial Indicators. [𝗘-𝗖𝗼𝗺𝗺𝗲𝗿𝗰𝗲]: 𝙈𝙖𝙜𝙚𝙣𝙩𝙤, 𝙎𝙝𝙤𝙥𝙞𝙛𝙮, CS Cart Custom Modules, PWA JS Library. [𝗣𝗿𝗮𝗰𝘁𝗶𝗰𝗲𝘀]: TDD, DDD, RAD. [𝗧𝗿𝗮𝗱𝗶𝗻𝗴]: Algorithmic Trading, MT4/5, Pinescript. [𝗗𝗼𝗺𝗮𝗶𝗻𝘀]: Crypto Industry, Banking, Retail, IoT, Web, Android, IOS. [𝗦𝗸𝗶𝗹𝗹𝘀]: Data Scraping, Code Fixing, Mathematical Models, AI Technology, Reporting Tools, Service Tools. [𝗔𝘁𝘁𝗿𝗶𝗯𝘂𝘁𝗲𝘀]: Clever, Hardworking, Human-centric, Customer Satisfaction, Collaboration. [𝗥𝗲𝘀𝘂𝗹𝘁𝘀]: Scalable Solutions, Custom Plugins, High-quality Solutions, Dynamic Storefronts, WOW sensation.

React.js
Magento
NestJS
React
JavaScript
MQL 5
MQL 4
PyQt
Python
Vue.js
PHP
Django
Node.js
$50 hourly
- 5.0/5
- (8 jobs)
As a Cloud Solutions Architect Certified I have experience in automated process and build architecture for small and big enterprise systems. Development with NodeJS and Vanilla JavaScript; Net Core technologies; C#, as well as python using Flask & Django Frameworks. Experience on JavaScript libraries and frameworks like React, angular & JQuery. Experience on database development with SQL Server, MySQL & Postgress. Other kinds of storage like Open Search tool in the cloud, Presto Tables with Amazon Athena Development & NoSQL Databases with DynamoDB and MongoDB. Machine Learning models and Big Data Tools using Elastic Map Reduce, Blob storage, DataLake development, PySpark scripts. Linux servers Managment and docker containers on the cloud, software as a service with lambda functions, ECR containers management and serverless container orchestration using kubernetes. Managing of tech teams by collaborating on the client requirements, work plans, feedback and being the bridge between the business side and tech.

React.js
React
DevOps Engineering
AWS Glue
CI/CD
AWS Fargate
Node.js
Data Analysis
AWS Lambda
Amazon Athena
Amazon Web Services
C#
JavaScript
SQL
MySQL
Python
$50 hourly
- 5.0/5
- (3 jobs)
Hi there! I'm William, a Fullstack Developer with a knack for crafting intuitive and dynamic Frontend experiences, especially with React and its ecosystem. I have a deep love for Typescript—its structure and reliability really resonate with me, [I do not love red squiggly lines! 😜] Here's a snapshot of what I bring to the table: ✅ React: Building UIs ✅ NextJS: Seamless server-side rendering and static site generation ✅ Typescript: Adding type safety to my JavaScript code ✅ Tailwind CSS: Designing clean, modern, and responsive layouts ✅ Storybook: Developing and testing UI components in isolation When it comes to databases, PostgreSQL is my go-to for its robustness and performance. On the backend, I’m well-versed with: ✅ tRPC: End-to-end typesafe APIs ✅ AWS: Deploying and managing cloud infrastructure ✅ Express: Lightweight and flexible web server frameworks I love working on monorepos [turbo repo is my favorite] as they streamline development and maintenance. My CI/CD go-to tool is GitHub Actions for its flexibility and seamless integration. I tackle every project with dedication and a detail-oriented approach, ensuring high-quality results. If you're looking for a developer who can handle both the frontend and backend of your project, you're in the right place. Feel free to reach out if you have any questions or if you’d like to discuss a potential collaboration. I'm always excited to connect and explore new opportunities! Looking forward to hearing from you, William

React.js
Tailwind CSS
Next.js
TypeScript
ExpressJS
JavaScript
Node.js
React
$50 hourly
- 5.0/5
- (12 jobs)
Welcome to my profile! I am a graduate mathematical engineer with a deep passion for data. My journey in data roles spans for over 4 years, predominantly in the dynamic world of startups, blending industry experience in logistics (supply chain) and video games with a dynamic freelance career. My unique blend of mathematical rigor and practical expertise positions me as a versatile data professional capable of navigating diverse challenges across any industry. What I Bring to Your Project: Comprehensive Data Expertise: My skills encompass data science, analytics, and engineering. Whether it's mining insights from complex datasets, developing robust data models, or engineering efficient data pipelines, I am equipped to deliver solutions that drive decision-making and business growth. Strong Mathematical Foundation: At the core of my expertise is a solid grounding in mathematical engineering and statistics. This foundation enables me to apply sophisticated computational techniques and statistical models to solve intricate problems. Technical Proficiency: I am proficient in a suite of tools essential for modern data work: Programming Languages: Python, SQL, R, Matlab Data Visualization & BI Tools: Superset, Power BI Database & Data Warehousing: Hevodata, Redshift Software Development & Collaboration Tools: Proficient with GitHub, Docker, and Bitbucket for version control and containerization; adept in using Jira for project management and workflow optimization. Advanced Cloud Computing Skills: Proficient in AWS services, including ECS for container management, Lambda for serverless computing, and other AWS cloud solutions, ensuring scalable, reliable, and efficient data handling. Diverse Industry Experience: My career has spanned various sectors, including finance, sports betting, agriculture, video games, and logistics. This diversity equips me with the ability to quickly adapt and provide context-specific data solutions. Startup Agility: Thriving in fast-paced and versatile startup environments, I've honed my ability to quickly adapt, innovate, and deliver results under tight deadlines. This experience translates into efficient, impactful solutions for your projects. Analytical Mindset & Problem-Solving: My approach is analytical, detail-oriented, and focused on delivering practical, impactful results. I thrive on challenges and possess a self-taught, persevering attitude towards learning and problem-solving. Thank you for considering my profile. I look forward to the opportunity to bring my mathematical precision and data expertise to your project and contribute to your success

React.js
React
Statistical Programming
Optimization Modeling
Report
Amazon Redshift
Statistical Analysis
Apache Superset
Data Analysis
MongoDB
Data Engineering
PostgreSQL
Data Mining
SQL
Time Series Analysis
Python
R
Machine Learning
$35 hourly
- 5.0/5
- (6 jobs)
As an experienced Software Engineer, I bring 5+ years of expertise to the table, having worked on a variety of projects in e-learning, logistics, live-streaming, and e-commerce. I'm proficient in a wide range of technologies, including React, React Native, TypeScript, CSS/HTML/JS, TailwindCSS, NodeJS, WebRTC, WebSockets, Redis, MongoDB, Firebase, and PostgreSQL. With my expertise in these areas, I'm confident in my ability to provide exceptional results on any project I undertake. Aside from my technical skills, I'm also bilingual in English and Spanish, making me an ideal candidate for projects that require multilingual proficiency. Whether you're looking to build a new app, optimize your existing software, or anything in between, I'm eager to help you bring your vision to life.

React.js
WebRTC
React
Node.js
MongoDB
TypeScript
React Native
PostgreSQL
$54 hourly
- 4.8/5
- (13 jobs)
I'm an experienced web developer with 8+ years’ experience in developing several Software As Service products. A deep understanding in User Experience (UX). My financial background allows me to understand more quickly the needs for the Fintech industry. AWS Certified Cloud Practitioner

React.js
Angular
React
PostgreSQL
Django
API
CSS 3
Flask
SQL
Docker Compose
Python
Amazon Web Services
$40 hourly
- 4.9/5
- (5 jobs)
Hey there! 👋 I’m Alonso Vazquez, a seasoned frontend developer with over 5 years of experience, specializing in React.js, HTML/CSS, Sass, and other frontend tools. What I Bring: • Proven Expertise: Extensive background in creating sleek and efficient user interfaces. • Challenge-Driven: I thrive on overcoming challenges, turning obstacles into opportunities. • Team Player: I’m not just a developer; I’m your collaborative partner, fostering teamwork for outstanding results. Why Choose Me: • Quality Assurance: Meticulous approach, utilizing React Testing Library for reliability. • Innovation: Stay updated on trends, infusing creativity into every project. Ready to contribute my skills to your project’s success. Let’s create something amazing together!

React.js
CSS
HTML
Twitter/X Bootstrap
RxJS
JavaScript
CSS 3
React
React Native
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