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Oleksii K.
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Oleksii K.

Database Management | Full Stack Web Developer (C#, React)

10 years of extensive Oracle Database 10g/11g development 5 years of MSSQL Server 2008/2012 Development 10 years of Delphi development 3 years React/Redux Web development 3 years C# development * SQL (analytic functions, hierarchical queries, complex group operations, ...) * PL/SQL (triggers, stored procedures, packages, dynamic SQL, collections, ...) * Fundamentals of administration (knowledge of the architecture, installation and deployment, users, roles, EXP/IMP) * Performance tuning (trace session, explain plan) * VCL Library, EhLib * Components for DB development: DOA * SQL/T-SQL (stored procedures, functions, triggers, CTE expressions..) * Database Replication, Linked Servers, Jobs * Performance Tuning * Basic of DBA * Redux, Mobx * Thunk, React Saga * Material UI components, React Final Form, Reselect * Node js, Babel * asp.net web api 2.0 framework * asp.net core 6 web api Case tools: ERwin Oracle IDE: PL/SQL Developer Version control: Perforce, Git Bugtracker: Mantis Languages:

🇺🇦Kyiv, Ukraine$10/hr100% JSS5.00 (2)Since Mar 2022

Earnings and projects

MRR
$1.1k

Last 6 months ÷ 6

World#43,854 / 412k
🇺🇦Country#1,992 / 14.3k
Revenue, last 30 days
$1.2k

Last 6 months: $6.7k

World#37,055 / 412k
🇺🇦Country#1,628 / 14.3k
Total earnings
$79k

Billed in all: $83k

World#50,214 / 412k
🇺🇦Country#3,204 / 14.3k
Per project
$13k

$3.3k in the last 6 months

World#11,085 / 412k
🇺🇦Country#829 / 14.3k
Projects, last 6 months
2
0% fixed100% hourly
World#88,918 / 412k
🇺🇦Country#3,419 / 14.3k
Projects in all
6

Across 18 contracts

22% fixed78% hourly
World#250,290 / 412k
🇺🇦Country#9,758 / 14.3k

Earnings, last 30 days

$83.2k+$1.2k earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$81k$82k$83k$84kOct 8Oct 23Nov 7

Skill rankings: Top 6% in Netting

Ranked by MRR among everyone on Upwork with the skill.

  1. 2MantisBT13 freelancers · 🇺🇦 #1Top 15%
  2. 3Netting51 freelancers · 🇺🇦 #1Top 6%
  3. #5Object Pascal14 freelancers · 🇺🇦 #2Top 36%
  4. #16Delphi130 freelancers · 🇺🇦 #4Top 12%
  5. #33Oracle Database261 freelancers · 🇺🇦 #2Top 13%
  6. #96SQL Programming1,149 freelancers · 🇺🇦 #2Top 8%
  7. #347Database3,249 freelancers · 🇺🇦 #13Top 11%
  8. #367Microsoft SQL Server2,759 freelancers · 🇺🇦 #18Top 13%