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Konstantinos C.
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Konstantinos C.

Full Stack Developer | Web & Desktop Apps | BigCommerce Partner

✅ 10+ Years of Strong Python Experience ▪ High Performance Custom Software ▪ API Development ▪ Test Driven Development ▪ Business Driven Development ▪ Ecommerce Specialist ▪ BigCommerce Partner & App Developer ▪ 100% Project Enthusiast Running successfully my own ecommerce business i know at first hand what it takes to succeed online. Selecting the right technology and building tools to increase productivity and the number of orders that you can manage are keys for success. How can i benefit you and your business ? ✅ Custom Desktop Software Solutions ✅ Custom Web Applications ✅ Restful API Development ✅ GraphQL API Development ✅ Ecommerce Development ✅ BigCommerce App Development ✅ BigCommerce Stencil Development ✅ Facebook & Google ads Management ✅ Email Marketing ✅ Marketing Automation All those years i have successfully developed & deployed 🔹 On demand production management systems 🔹 Order management and fulfillment systems 🔹 Business automation tools 🔹 Ecommerce and general websites Technology that i have worked with and feel very comfortable using: ▪ Python ▪ Django ▪ Django Rest Framework ▪ Celery ▪ Redis ▪ PostgreSQL ▪ Pytest ▪ Docker ▪ PySide ▪ PyQt ▪ WebSockets ▪ Multithreading ▪ Multiprocessing ▪ JavaScript ▪ Node.js ▪ React ▪ MUI ▪ TypeScript ▪ Next.js ▪ Create React App ▪ BigCommerce API & Webhooks ▪ BigCommerce Stencil Why choose me ? 🔹I am not only a developer. I am a business oriented software engineer that can contribute to business decisions and share my experience to avoid mistakes that i did running my own ecommerce website. 🔹My goal is to have long-term contracts with companies or individuals and help increase their revenue and performance every month Working with me you will: ✅ Get a well tested and well designed software ✅ See increasing conversion rates every month by monitoring customer behaviour and fixing possible issues ✅ Build a high converting and loyal community Why not choose me ? ❌ Cheap work with average results ❌ You want quick results in a day ❌ You found this idea that will make me rich if i work for free So whats next ? ⭐ If you are still reading, and you think "this might be a good fit", i would be very interested to hear about your project. 10 - 15 minutes call will be enough to find out if we can work together so.. 👉 Leave me a note with the project details so that we can schedule the call!

🇬🇷Thessaloniki, Greece$70/hr100% JSS5.00 (14)Since Aug 2022

Earnings and projects

MRR
$1k

Last 6 months ÷ 6

World#47,523 / 412k
🇬🇷Country#102 / 1,051
Revenue, last 30 days
$698

Last 6 months: $6.1k

World#53,871 / 412k
🇬🇷Country#128 / 1,051
Total earnings
$122k

Billed in all: $130k

World#31,015 / 412k
🇬🇷Country#80 / 1,051
Per project
$4.3k

$1.5k in the last 6 months

World#39,812 / 412k
🇬🇷Country#100 / 1,051
Projects, last 6 months
4
0% fixed100% hourly
World#51,813 / 412k
🇬🇷Country#118 / 1,051
Projects in all
28

Across 34 contracts

32% fixed68% hourly
World#103,224 / 412k
🇬🇷Country#274 / 1,051

Earnings, last 30 days

$130k+$698 earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$129.0k$129.5k$130.0k$130.5kOct 8Oct 23Nov 7

Skill rankings: Top 6% in PyQt

Ranked by MRR among everyone on Upwork with the skill.

  1. #8PyQt137 freelancers · 🇬🇷 #1Top 6%
  2. #38Ecommerce Development Consultation346 freelancers · 🇬🇷 #1Top 11%
  3. #107BigCommerce827 freelancers · 🇬🇷 #1Top 13%
  4. #365Ecommerce Marketing1,960 freelancers · 🇬🇷 #1Top 19%
  5. #394GraphQL3,403 freelancers · 🇬🇷 #1Top 12%
  6. #668RESTful API6,064 freelancers · 🇬🇷 #1Top 11%
  7. #688Django5,931 freelancers · 🇬🇷 #4Top 12%
  8. #762Ecommerce Website Development5,475 freelancers · 🇬🇷 #3Top 14%