Oleksandr K.

⭐ TOP-RATED Full-Stack Rails Developer with over 7 years of experience in delivering web and mobile applications. My approach is product-oriented — I focus on writing high-quality code, but I also know when to move fast and build a quick prototype to test an idea. I always pay close attention to detail, ensuring that every solution is both effective and well-crafted while balancing speed and quality to drive real results.

What you'll get with me?
✅ Price & Value Balance
You get top-quality development assistance at a reasonable price.
✅ Long-Term Support

I build reliable, long-term relationships with my clients, supporting them throughout their product lifecycle.
✅ Relevant Expertise

I use modern tools and technologies to tackle various challenges. I’m teaching students Rails and I’m an active member of a local Ruby User Group, so I stay up to date with the latest industry trends.

Technologies I specialize in
✅ Frameworks: Ruby on Rails, React, Vue, Tailwind, React Native

✅ Languages & Technologies: Ruby, Hotwire, Sidekiq, JavaScript, SQL, HTML, CSS

✅ Databases: PostgreSQL, Redis, MySQL, MongoDB

✅ Testing: RSpec, Minitest, FactoryBot, Selenium, Capybara

✅ Deployment: Kamal, Docker/Kubernetes, CI/CD, AWS, Heroku, GCP

✅ Other: Linux, Neovim, Copilot

Industries I've worked with

• EdTech
• FinTech
• Media
• E-commerce
• Marketing

I’m available 24/7 for fast and reliable communication via Telegram (@k0va1). Let’s bring your product ideas to life! 🚀