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Oleh K.
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Oleh K.

Senior Android Developer

Hello there! If you’re looking for a reliable Senior Android developer, you are on the right page. I'm a seasoned Android developer, crafting reliable, fast, and top-notch apps. Global projects across varied domains have honed my skills and enriched my tech arsenal. 🛠 Key skills: 📎 Kotlin & Java: My trusty languages. 📎 Android SDK & Jetpack: Foundation of my work. 📎 SQL, Rxjava, Retrofit2: Tools for data and communication. 📎 Firebase & Git: Ensuring smooth workflow. 📎 MVVM, MVP: My guide for structuring apps. 📎 Design Patterns, In-app Billing, Google Maps: Enhancing user experience. 🤝 I value clear, SMART communication and deadlines, making teamwork a breeze. Ready to dive into new challenges and eager to learn, so drop me a line with your requirements. Let's create digital wonders! 📲 _____________________ * Need a wider range of services? No worries, you are on the right path anyway. I'm working in association with the 90-person-strong TOP Rated Plus Agency - PECODE. You can count on us if you need experts in UX/UI design, Mobile app development, Quality Assurance ( manual & automation). We will support you at each stage of development: 🥇 Before the start we provide you estimates based on project requirements analysis and specification 🥇 Take care of the web product's development from needs to production 🥇 Support and improve the product after realise. Since 2017 we bring client's ideas into reality, and we are looking forward to starting the collaboration with you!

🇺🇦Lviv, Ukraine$35/hr100% JSS4.80 (3)Since Jan 2021
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Earnings and projects

MRR
$358

Last 6 months ÷ 6

World#91,385 / 412k
🇺🇦Country#3,473 / 14.3k
Revenue, last 30 days
$331

Last 6 months: $2.1k

World#72,402 / 412k
🇺🇦Country#2,733 / 14.3k
Total earnings
$134k

Billed in all: $139k

World#27,292 / 412k
🇺🇦Country#1,958 / 14.3k
Per project
$19k

$2.1k in the last 6 months

World#6,373 / 412k
🇺🇦Country#520 / 14.3k
Projects, last 6 months
1
0% fixed100% hourly
World#128,092 / 412k
🇺🇦Country#4,718 / 14.3k
Projects in all
7

Across 8 contracts

13% fixed87% hourly
World#236,188 / 412k
🇺🇦Country#9,312 / 14.3k

Earnings, last 30 days

$139k+$331 earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$138.2k$138.4k$138.6kOct 8Oct 23Nov 7

Skill rankings: Top 8% in RxJava

Ranked by MRR among everyone on Upwork with the skill.

  1. #6RxJava73 freelancers · 🇺🇦 #1Top 8%
  2. #8Dagger 251 freelancers · 🇺🇦 #2Top 16%
  3. #21Tablet155 freelancers · 🇺🇦 #6Top 14%
  4. #23Location-Based Service138 freelancers · 🇺🇦 #3Top 17%
  5. #42Map Integration327 freelancers · 🇺🇦 #3Top 13%
  6. #63Google Play282 freelancers · 🇺🇦 #7Top 22%
  7. #127Android SDK805 freelancers · 🇺🇦 #17Top 16%
  8. #140User Authentication698 freelancers · 🇺🇦 #9Top 20%