Skip to content
BackNov 7
Oleksandr S.

Oleksandr S.

Senior Data Scientist | AI & ML | Python Developer

I am a 𝗗𝗮𝘁𝗮 𝗦𝗰𝗶𝗲𝗻𝘁𝗶𝘀𝘁 & 𝗠𝗮𝗰𝗵𝗶𝗻𝗲 𝗟𝗲𝗮𝗿𝗻𝗶𝗻𝗴 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿 with 𝟱+ 𝘆𝗲𝗮𝗿𝘀 𝗼𝗳 𝗰𝗼𝗺𝗺𝗲𝗿𝗰𝗶𝗮𝗹 𝗲𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲 in ML development and 𝟭𝟬+ 𝘆𝗲𝗮𝗿𝘀 𝗶𝗻 𝗯𝘂𝘀𝗶𝗻𝗲𝘀𝘀 𝗱𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁, combining strong analytical expertise with a deep understanding of product strategy and real business goals. I build end-to-end data and ML solutions — from data ingestion and feature engineering to model development, deployment, evaluation, and integration into production systems. My work focuses on delivering 𝗽𝗿𝗮𝗰𝘁𝗶𝗰𝗮𝗹, 𝗺𝗲𝗮𝘀𝘂𝗿𝗮𝗯𝗹𝗲, 𝗮𝗻𝗱 𝘀𝗰𝗮𝗹𝗮𝗯𝗹𝗲 𝗿𝗲𝘀𝘂𝗹𝘁𝘀 while ensuring a smooth collaboration with your team and alignment with your business objectives. 𝗠𝘆 𝗽𝗿𝗶𝗼𝗿𝗶𝘁𝗶𝗲𝘀 𝗶𝗻 𝗲𝘃𝗲𝗿𝘆 𝗽𝗿𝗼𝗷𝗲𝗰𝘁: 𝗗𝗲𝗹𝗶𝘃𝗲𝗿 𝗿𝗼𝗯𝘂𝘀𝘁, 𝗽𝗿𝗼𝗱𝘂𝗰𝘁𝗶𝗼𝗻-𝗿𝗲𝗮𝗱𝘆 𝘀𝗼𝗹𝘂𝘁𝗶𝗼𝗻𝘀 I focus on building systems that are reliable, maintainable, and ready for real-world use — not just prototypes. 𝗘𝗻𝘀𝘂𝗿𝗲 𝗮 𝗰𝗹𝗲𝗮𝗿, 𝘁𝗿𝗮𝗻𝘀𝗽𝗮𝗿𝗲𝗻𝘁, 𝗮𝗻𝗱 𝗰𝗼𝗹𝗹𝗮𝗯𝗼𝗿𝗮𝘁𝗶𝘃𝗲 𝘄𝗼𝗿𝗸𝗳𝗹𝗼𝘄 Keep communication open, align expectations early, and maintain predictable, organised delivery. 𝗨𝗻𝗱𝗲𝗿𝘀𝘁𝗮𝗻𝗱 𝗮𝗻𝗱 𝗮𝗱𝘃𝗮𝗻𝗰𝗲 𝗿𝗲𝗮𝗹 𝗯𝘂𝘀𝗶𝗻𝗲𝘀𝘀 𝗴𝗼𝗮𝗹𝘀 Technical decisions are guided by measurable impact, user needs, and long-term value for the product. 𝗖𝗼𝗺𝗺𝘂𝗻𝗶𝗰𝗮𝘁𝗲 𝗽𝗿𝗼𝗮𝗰𝘁𝗶𝘃𝗲𝗹𝘆 𝗮𝗻𝗱 𝗺𝗲𝗲𝘁 𝗰𝗼𝗺𝗺𝗶𝘁𝗺𝗲𝗻𝘁𝘀 I surface risks early, provide regular updates, and honour deadlines through structured planning. 𝗚𝗿𝗼𝘄 𝘁𝗵𝗲 𝗽𝗿𝗼𝗱𝘂𝗰𝘁 — 𝗮𝗻𝗱 𝘁𝗵𝗲 𝘁𝗲𝗮𝗺 — 𝘁𝗵𝗿𝗼𝘂𝗴𝗵 𝗾𝘂𝗮𝗹𝗶𝘁𝘆 𝗮𝗻𝗱 𝗰𝗹𝗮𝗿𝗶𝘁𝘆 Help shape scalable architecture, improve processes, and support a culture of thoughtful, data-driven decision making. 𝗠𝗲𝘀𝘀𝗮𝗴𝗲 𝗺𝗲 𝗮𝗻𝘆𝘁𝗶𝗺𝗲 - 𝗜’𝗺 𝗼𝗽𝗲𝗻 𝘁𝗼 𝗱𝗶𝘀𝗰𝘂𝘀𝘀𝗶𝗻𝗴 𝘆𝗼𝘂𝗿 𝗽𝗿𝗼𝗷𝗲𝗰𝘁 𝗮𝗻𝗱 𝗿𝗲𝗮𝗱𝘆 𝘁𝗼 𝗵𝗲𝗹𝗽 𝘆𝗼𝘂 𝗺𝗼𝘃𝗲 𝗶𝘁 𝗳𝗼𝗿𝘄𝗮𝗿𝗱!

🇺🇦Kyiv, Ukraine$38/hr100% JSSSince Oct 2022

Earnings and projects

MRR
$1.5k

Last 6 months ÷ 5.4 months active (since May 2026)

World#31,110 / 412k
🇺🇦Country#1,565 / 14.3k
Revenue, last 30 days
$0

Last 6 months: $8.3k

Total earnings
$8.4k

Billed in all: $8.4k

World#210,603 / 412k
🇺🇦Country#9,115 / 14.3k
Per project
$8.4k

$8.3k in the last 6 months

World#19,691 / 412k
🇺🇦Country#1,356 / 14.3k
Projects, last 6 months
1
100% fixed0% hourly
World#128,092 / 412k
🇺🇦Country#4,718 / 14.3k
Projects in all
1
100% fixed0% hourly
World#360,671 / 412k
🇺🇦Country#13,083 / 14.3k

Earnings, last 30 days

$8.4kNothing earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$8.3k$8.4k$8.5k$8.6kOct 8Oct 23Nov 7

Skill rankings: Top 5% in Bot Development

Ranked by MRR among everyone on Upwork with the skill.

  1. #10FinTech Consulting149 freelancers · 🇺🇦 #2Top 7%
  2. #17Software Consultation161 freelancers · 🇺🇦 #2Top 11%
  3. #23ML Automation279 freelancers · 🇺🇦 #2Top 8%
  4. #50Bot Development927 freelancers · 🇺🇦 #5Top 5%
  5. #62MLOps468 freelancers · 🇺🇦 #2Top 13%
  6. #183Startup Consulting1,584 freelancers · 🇺🇦 #3Top 12%
  7. #199Business Consulting1,810 freelancers · 🇺🇦 #2Top 11%
  8. #289LLM Prompt Engineering2,457 freelancers · 🇺🇦 #11Top 12%