Oleksandr T.

Hey 👋 I'm Oleksandr, and I build production-ready React applications, turning complexity into clarity - from investment strategy platforms with large-scale data visualization to healthcare applications serving thousands of users. I've worked with hedge funds, healthcare platforms, and enterprise clients to: • Build a sophisticated SaaS investment strategy platform for an algorithmic hedge fund with large-scale data visualization capabilities, interactive charts, and real-time analytics • Contribute to a healthcare platform that cut patient data processing by 60%, streamlined workflows by 30%, and attracted 5+ new enterprise clients My specialty is translating challenging business requirements into clean, performant React applications using TypeScript, Tailwind CSS, TanStack, and AI-assisted development workflows. Whether you're building data-heavy dashboards, customer-facing SaaS platforms, or need seamless frontend-backend integration - I build systems that scale and interfaces users actually enjoy using. What sets me apart: • Top Rated Plus freelancer with 100% Job Success Score and perfect 5.0 rating across all projects • 15+ years of full-stack experience, with 5+ years specializing in React - I understand the complete picture from database to UI • AI-powered workflow - I leverage AI tools to deliver faster without compromising quality (you get more value for your investment) • Full-stack fluency (PHP, Symfony, MySQL, REST APIs) - I integrate smoothly with backend teams and speak their language • Quality obsession - comprehensive testing (Jest, React Testing Library, Vitest), clean code, and maintainable architecture Tech stack: React, TypeScript, Tailwind CSS, Shadcn, TanStack (Router, Query, Table), Apache ECharts, Redux Let's turn your business challenges into elegant solutions - and build applications users love!