Profileimage by Sergej Melihov Epic Web & Mobile Developer from Florina

Sergej Melihov


Last update: 01.11.2022

Epic Web & Mobile Developer

Company: Self Employeed
Graduation: Computer Science, University of Peloponneses, BE
Hourly-/Daily rates: show
Languages: English (Full Professional)




- React.js, React Native, Next.js, Gatsby.js
- Node.js, Express
- Flutter, Dart
- Vue.js, Vuex, Vuetify, Nuxt.js
- Laravel, Codeigniter
- Google Firebase
- MySQL, SQLite, PostreSQL, MongoDB, NoSQL
- AWS, Serverless, Terraform

Project history

06/2021 - 10/2022
Full Stack Developer
NERDZZ Digitalagentur GmbH (< 10 employees)
Internet and Information Technology
- Build Food plan PWA using React + Tailwind, Firebase, Node.js/Express.
- Rebuilding iF design website ( using Gatsby.js and Contentful CMS.
- Build Ecommerce website ( using Next.js, Contentful CMS and Wordpress.
- Built the payment gateway including cardpay, certegy and paypal, etc using Node.js and serverless/terraform, AWS S3 lambda function and dynamoDB, S3 Bucket and SecretManager, etc.
- Develop the shopify application to create very fast the size chart that the users need pre-defined templates using Node.js, Express, Vue.js, Vuex, MySQL, Prisma and Liquid language.

09/2021 - 09/2021
Mobile Developer
iNECTA LLC (10-50 employees)
Internet and Information Technology

- Used Flutter for front-end and worked on UI updates and connect API endpoint that is built with Node.js/Express.
- I integrated payment gateways using Paypal, Visa card, Stripe and print the doc as PDF.

11/2020 - 06/2021
Lead Developer
Kilwar LLC (< 10 employees)
Internet and Information Technology
  • Build Cryptocurrency Analytic Application that user can analyze their Transaction history and Capital Gains, Relative Performance, etc.
  • Using React.js, Redux, Node.js, Express.js, MongoDB.
  • Also Used TailwindCSS and AWS S3 Lambda.

04/2020 - 11/2020
Mobile Flutter Developer
Rio Nord GmbH (10-50 employees)
Internet and Information Technology
- Designing and redesigning the screens of the Repeat Native Application.
- Integrate Google Firebase and Google Map API.
- Integrate Restful API.
- Upgrade Native App and React Native Application to Flutter Application.

08/2015 - 03/2020
Web Developer
The MASCC (50-250 employees)
Internet and Information Technology
Designing and redesigning the core pages of the e-commerce store while collaborating with the sales and
marketing team to increase simplicity and, in turn, increase cart conversion rates to 22%.
Working with content creators to implement new content on the main website and blog, ensuring that new
content types (including articles, podcasts and videos) are styled properly for quick and easy viewing.
Fixing bugs across the website and its back-end, and maintaining it on a day-to-day basis to ensure seamless
Handle basic backup scheduling and assist with minimizing site downtime along with minimizing downtime
of the integrated apps and APIs.



Time and spatial flexibility

I prefer Remote Work.
I can work full time with clients' timezone, and normally work on GMT +2.


Director (Juliane Foyer)
"I think Sergej is a very smart guy with a lot of know-how and expertise. And that’s why we really enjoy working with him! The results are always what we expect!"
Killwar LLC
CTO (Manish Paranjape)
"If you're looking for a software engineer who you can always count on, look no further.
He has a lot of expertise in development, especially React, Node.js and Express.
He is not just an excellent software engineer, but has an deep knowledge of the mathematics that should go into software engineering."

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