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:
Earnings and projects
Last 6 months ÷ 6
Last 6 months: $6.7k
Billed in all: $83,174$83k
$3.3k in the last 6 months
Across 18 contracts
Earnings, last 30 days
Skill rankings: Top 6% in Netting
Ranked by MRR among everyone on Upwork with the skill.
- MantisBT13 freelancers · 🇺🇦 #1Top 15%🇺🇦#1 of 3
- Netting51 freelancers · 🇺🇦 #1Top 6%🇺🇦#1 of 7
- #5Object Pascal14 freelancers · 🇺🇦 #2Top 36%🇺🇦#2 of 5
- #16Delphi130 freelancers · 🇺🇦 #4Top 12%🇺🇦#4 of 27
- #33Oracle Database261 freelancers · 🇺🇦 #2Top 13%🇺🇦#2 of 9
- #96SQL Programming1,149 freelancers · 🇺🇦 #2Top 8%🇺🇦#2 of 22
- #347Database3,249 freelancers · 🇺🇦 #13Top 11%🇺🇦#13 of 108
- #367Microsoft SQL Server2,759 freelancers · 🇺🇦 #18Top 13%🇺🇦#18 of 80