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Karen A.
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Karen A.

Software Developer

I help businesses and startups build scalable web platforms, AI automations, and custom software systems. Over the past few years, I’ve worked on SaaS platforms, Telegram Mini Apps, automation systems, dashboards, business tools, and AI-powered solutions using technologies like React, TypeScript, FastAPI, Python, Node.js, and C#. I focus on building products that are: fast scalable visually polished easy to maintain business-oriented What I can help with: ✔ Full-stack SaaS development ✔ AI integrations & automation ✔ React / Next.js frontends ✔ FastAPI & Node.js backends ✔ Telegram Mini Apps ✔ Dashboards & internal tools ✔ API integrations ✔ Workflow automation systems ✔ Startup MVP development I care a lot about communication, clean architecture, and delivering production-ready solutions that businesses can actually use and grow with. If you’re looking for someone who can understand both the technical and business side of a project, feel free to reach out.

🇨🇿Prague, Czech Republic$60/hr100% JSS4.95 (17)Since Sep 2019

Earnings and projects

MRR
$410

Last 6 months ÷ 6

World#85,976 / 412k
🇨🇿Country#112 / 669
Revenue, last 30 days
$0

Last 6 months: $2.5k

Total earnings
$17k

Billed in all: $17k

World#153,303 / 412k
🇨🇿Country#264 / 669
Per project
$629

$2.5k in the last 6 months

World#162,042 / 412k
🇨🇿Country#270 / 669
Projects, last 6 months
1
100% fixed0% hourly
World#128,096 / 412k
🇨🇿Country#201 / 669
Projects in all
27

Across 33 contracts

97% fixed3% hourly
World#106,303 / 412k
🇨🇿Country#205 / 669

Earnings, last 30 days

$17kNothing earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$16.6k$16.8k$17.0k$17.2kOct 9Oct 24Nov 8

Skill rankings: Top 14% in Telegram API

Ranked by MRR among everyone on Upwork with the skill.

  1. #27Multithreaded Programming146 freelancers · 🇨🇿 #1Top 18%
  2. #44Telegram API322 freelancers · 🇨🇿 #1Top 14%
  3. #51Telegram302 freelancers · 🇨🇿 #1Top 17%
  4. #62AR & VR Development278 freelancers · 🇨🇿 #1Top 22%
  5. #66Online Multiplayer281 freelancers · 🇨🇿 #2Top 23%
  6. #78Trading Strategy409 freelancers · 🇨🇿 #1Top 19%
  7. #104Trading Automation467 freelancers · 🇨🇿 #1Top 22%
  8. #146Bot Development927 freelancers · 🇨🇿 #1Top 16%