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Oleksiy K.
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Oleksiy K.

CTO as a Service | MVP Development, Bots & Automation, Payment Systems

I build products, not just features. Eight years of shipping — from Telegram bots to fintech platforms to full-scale membership systems with teams of 18. What I do best: → CTO as a Service — fractional technical leadership for startups. Architecture, team setup, CI/CD, sprint management, delivery. → MVP Development — your idea to production in 8-12 weeks. Payments, auth, admin panels, deployment — the full stack, done right. → Bots & Automation — Telegram, Discord, WhatsApp. If your team does it manually, I'll automate it. → Payment Systems — Stripe, crypto, subscription billing, marketplace payouts. Built from scratch, not duct-taped. → Real Estate Tech — CRM, listings, property management for EU agencies. → DevOps — Docker, CI/CD, monitoring, infrastructure that doesn't need prayer. Stack: Python, TypeScript, React, Next.js, Node.js, PostgreSQL, Docker, AWS. BSc Computer Science, Igor Sikorsky Kyiv Polytechnic Institute. I take 2-3 clients at a time. Every project gets deep focus.

🇺🇦Dnipro, Ukraine$50/hr100% JSSSince Jan 2022

Earnings and projects

MRR
$4.2k

Last 6 months ÷ 6

World#7,456 / 412k
🇺🇦Country#500 / 14.3k
Revenue, last 30 days
$7.1k

Last 6 months: $25k

World#2,921 / 412k
🇺🇦Country#192 / 14.3k
Total earnings
$26k

Billed in all: $27k

World#120,537 / 412k
🇺🇦Country#6,185 / 14.3k
Per project
$6.5k

$25k in the last 6 months

World#26,310 / 412k
🇺🇦Country#1,738 / 14.3k
Projects, last 6 months
1
0% fixed100% hourly
World#128,092 / 412k
🇺🇦Country#4,718 / 14.3k
Projects in all
4
50% fixed50% hourly
World#283,741 / 412k
🇺🇦Country#10,811 / 14.3k

Earnings, last 30 days

$27.4k+$7.1k earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$20k$25k$30kOct 8Oct 23Nov 7

Skill rankings: Top 1% in Telegram API

Ranked by MRR among everyone on Upwork with the skill.

  1. #4Telegram API322 freelancers · 🇺🇦 #2Top 1%
  2. #85Management Skills6,116 freelancers · 🇺🇦 #3Top 1%
  3. #92CRM Development2,819 freelancers · 🇺🇦 #6Top 3%
  4. #142Stripe3,151 freelancers · 🇺🇦 #7Top 5%
  5. #271API Development6,848 freelancers · 🇺🇦 #22Top 4%
  6. #305Docker8,761 freelancers · 🇺🇦 #35Top 3%
  7. #538PostgreSQL12,850 freelancers · 🇺🇦 #64Top 4%
  8. #577Next.js15,954 freelancers · 🇺🇦 #54Top 4%