John A.
ViennaAustria

JavaScript | RoR | .NET | Golang | Sanity CMS | Flutter | React Native

🥇 Expert ReactJS developer and AWS solutions architect. I specialize in MERN stack development and have extensive experience in Ruby, Python, Django, TypeScript, Golang, Firebase, MongoDB, and mobile development with Flutter and React Native. ⭐⭐⭐⭐⭐ I'm a 5-star rated freelancer with over 15000 hours of experience in web development. I've helped 3 startups from the ground up to a complete product and I'm ready to help you too! ✅ With 6+ years of full-stack web and mobile development experience, I can help you choose the right technology stack for your project, as well as provide project estimation, planning, and hiring assistance. ✅ My expertise in solution architecture and system design means I can help you with new ideas for your app and ensure that it's built to scale. ✅ I have 3+ years of experience with React and Redux, and 3+ years of experience with Angular 2+. Additionally, I have 5+ years of experience with HTML, Html5, CSS, CSS3, SASS, LESS, and 1+ years of experience with VUE, Vuetify, and other frameworks. ✅ I have strong expertise in NodeJS, Redis, Passport, JWT, Express, and a strong knowledge of SQL, NoSQL databases like MySQL, MongoDB, Elasticsearch, and AWS Redshift. I am also well-versed in GIT version control system and have good knowledge of AWS, DigitalOcean, and Heroku. ⭐ Here's what I can bring to your project ⭐ ✅ Top-notch experience with excellent communication skills. ✅ Expert understanding of systems and businesses, can also help with new ideas. ✅ 24/7 ultra-reliable communication: you will always be aware of the project status. ✅ Someone who cares about helping you succeed and bringing value to your business. ⭐ Why you should choose me over other freelancers ⭐ ✅ Trust: I love to earn the trust of my clients by providing them with value. ✅ Over Delivering: I always try to over-deliver to my clients and help them with new ideas. ✅ Responsiveness: Being extremely responsive and keeping all lines of communication readily open with my clients. 🏆 Reviews and feedback from clients 🏆 ⭐⭐⭐⭐⭐ "He is very professional and a highly skilled React and MERN stack developer. He resolved any bugs and issues that we had in a very short time. His communication was excellent, and he would always reach out to me for meetings when required and would clear all the doubts for smooth development and delivery." - Mateen Abbasi ⭐⭐⭐⭐⭐ "A very seasoned react js developer which made it easy to communicate with and complete this project in a shorter period of time than expected." - Abdala Odat ⭐⭐⭐⭐⭐ "He is one of the most talented react js web developer I have ever met in Upwork. His communication was top-notch, he met all deadlines, his skills were very strong, and he was super fast on any task given to him. Perfect work is done. Would re-hire and highly recommend." - Steve Solomon I am well-versed in MERN and MEAN stack development and can efficiently design and implement cloud architecture for your web applications. Additionally, I have extensive experience with TypeScript, Firebase, and MongoDB, making me a versatile and comprehensive full-stack developer for your project.
Skills

Skills

  • JavaScript
  • Node.js
  • MongoDB
  • RESTful API
  • GraphQL
  • Ruby on Rails
  • .NET Core
  • Golang
  • Flutter
  • React Native
  • CMS Development