Yevhen K.
Database & Backend Developer | SQL, PL/SQL, API, Web Apps
I’m a Backend & Database Developer with 10+ years of experience specializing in Oracle Database, PL/SQL, and web-based solutions. ✔ I build efficient, scalable database systems ✔ I optimize slow queries and streamline business processes ✔ I integrate systems using APIs and custom backend logic I’ve worked for over 10 years in government systems (National Police of Ukraine), handling mission-critical databases and automation. Let’s discuss how I can help you with: 🔸 PL/SQL development 🔸 Oracle database administration 🔸 Web app backends (PHP, JavaScript) 🔸 Automating reports or data pipelines I’m available full-time and focused on delivering quality and reliability.
Earnings and projects
Last 6 months ÷ 6
Last 6 months: $12k
Billed in all: $23,311$23k
$6.1k in the last 6 months
Across 5 contracts
Earnings, last 30 days
Skill rankings: Top 6% in CSS
Ranked by MRR among everyone on Upwork with the skill.
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- #1,072HTML18,716 freelancers · 🇺🇦 #188Top 6%🇺🇦#188 of 1,578
- #1,076CSS19,042 freelancers · 🇺🇦 #192Top 6%🇺🇦#192 of 1,607