Skills
Full stack developer
Hi! I am a highly experienced full-stack developer with 8+ years of experience in building and deploying web applications. My skills include. ✅ Proficient in JavaScript, TypeScript, Node.js, NestJs, ExpressJs, PostgreSQL, React, and MongoDB ✅ Strong understanding of web design and user experience ✅ Experience with responsive design and cross-browser compatibility ✅ Strong experience with Git and other development tools ✅ Strong understanding of web architecture and performance optimization ✅ Proven ability to work in a collaborative and Agile environment ✅ Experience with AWS, Azure, or other cloud services for hosting and deployment ✅ Familiarity with GraphQL and REST API ✅ Experience with various front-end libraries and frameworks (e.g. Material-UI, Bootstrap, etc) ✅ Strong debugging and troubleshooting skills. If you want someone who is passionate and honest to work on your project, don’t hesitate to contact me.
Reviews
React.Js Developer Needed
May 12, 2022 - May 28, 2022
Have worked with him multiple times now and have never been disappointed. He communicates really easily and worked with me on revisions and tweaks i wanted to be added. Followed my design exactly how I wanted it. Will be working with him again very soon!
Need a formstack developer
June 7, 2022 - June 22, 2022
We will hire you again. Thanks for your good help
Looking for experienced developer in Typeform. To create order form for shirt tailoring.
June 27, 2022 - July 13, 2022
I engaged Jonas to help create new Typeforms for my business. I am very thankful for Jonas's work and his great communication skills. I highly recommend him with confidence, for any work h's capable of. He was very prompt with his work, responsive and accommodating.
Fana World Travel Website
August 11, 2022 - August 30, 2022
Jonas was a pleasure to work with, always going the extra mile with little extras and valued opinions. In fact I will be hiring him for my next 2 websites as well.
Website modernization/update
September 9, 2022 - September 20, 2022
Jonas did a fantastic job on helping me design my website and providing me with recommendations to help better my site layout. Will hire in the future!
Full Stack Developer
September 26, 2022 - October 12, 2022
He is very easy to work with. He done everything that our business required and create the best possible product at the end.
Software Developer
October 18, 2022 - November 2, 2022
Excellent cooperation! Thank you very much!
General Wordpress & Custom Booking Site Ongoing WebDev
January 3, 2023 - January 21, 2023
Jonas is one of the best I've worked with on UpWork. Easily understands more complex things outside the standard WP work - extremely responsive - and completes work in a super timely manner. If you're looking for someone with WP experience he is absolutely your go to.
Looking for crypto developer to build NFT minting website
February 8, 2023 - March 1, 2023
Jonas was extremely knowledgeable in what he does and accomplished the task very quickly and efficiently. Whenever I had questions he answered and guided me through the process. Highly recommended!
Medical Android app dveeloper
March 17, 2023 - April 5, 2023
It was nice working with Jonas . He did all himself and he is super efficient. Highly recommended!!!!
game like Doodle Jump
April 14, 2023 - May 6, 2023
Highly recommended developer, who keeps the deadlines strictly and is cooperative with fine-tuning. Seriously, hire him, you will not be disappointed.
