Oleh P.
Angular, React, React native, Ionic, Capacitor, Node.js, Nest.js
Senior Full-stack Developer with 10+ years of experience building web and cross-platform mobile applications. I've contributed to 30+ projects across fintech, logistics, healthcare, and e-commerce — including 8 applications published to the App Store and Google Play. Core areas: Angular (all versions), React Native, Ionic (all versions), Capacitor, Cordova Full app lifecycle: from architecture to App Store / Google Play deployment Backend services and APIs with Node.js, NestJS, and Express State management: NgRx, Redux, TanStack Query, Zustand Real-time features with WebSockets; REST and GraphQL API integration Firebase, AWS, Docker, CI/CD pipelines Modern mobile UI following iOS and Android design guidelines AI-powered feature integration using LLM-based services
Earnings and projects
Last 6 months ÷ 6
Last 6 months: $5.1k
Billed in all: $69,653$70k
$5.1k in the last 6 months
Across 16 contracts
Earnings, last 30 days
Skill rankings: Top 9% in Ionic Framework
Ranked by MRR among everyone on Upwork with the skill.
- #28Apache Cordova251 freelancers · 🇺🇦 #3Top 11%🇺🇦#3 of 13
- #102Ionic Framework1,184 freelancers · 🇺🇦 #8Top 9%🇺🇦#8 of 65
- #130Sass1,305 freelancers · 🇺🇦 #27Top 10%🇺🇦#27 of 211
- #488Swift3,634 freelancers · 🇺🇦 #53Top 13%🇺🇦#53 of 314
- #862Angular6,816 freelancers · 🇺🇦 #79Top 13%🇺🇦#79 of 453
- #884Firebase6,978 freelancers · 🇺🇦 #90Top 13%🇺🇦#90 of 472
- #960CSS 39,914 freelancers · 🇺🇦 #157Top 10%🇺🇦#157 of 941
- #1,299Mobile App Development8,511 freelancers · 🇺🇦 #120Top 15%🇺🇦#120 of 547