Kostiantyn S.

✅ 10+ Years of Experience | Building High-Performance, Maintainable, and Scalable Applications Are you looking for a highly skilled Frontend Engineer to develop fast, scalable, and user-friendly web applications? With over a decade of experience, I specialize in creating robust UI solutions that enhance user experience and drive business success. 🔹 How I Can Help You ✔️ Build Scalable & Maintainable Web Applications – Clean, modular architecture for long-term growth. ✔️ Enhance UI/UX & Optimize Performance – Seamless, fast, and intuitive interfaces. ✔️ Improve Code Quality & Test Coverage – Ensuring reliability with Playwright, Jest, and Cypress. ✔️ Bridge the Gap Between Design & Development – Strong experience integrating Storybook with Figma & collaborating with designers. ✔️ Streamline Development Processes – Implementing best practices, CI/CD automation, and efficient workflows. 🔹 Technologies & Tools I Work With 🔹 Languages & Frameworks: TypeScript, JavaScript, React.js, Next.js 🔹 State Management: Redux, MobX, Apollo Client 🔹 Testing & Quality Assurance: Playwright, Cypress, Jest, React Testing Library 🔹 Design & Collaboration: Storybook, Figma 🔹 CI/CD & DevOps: GitHub Actions, Jenkins, CI/CD pipelines 🔹 Other Technologies: GraphQL, Material UI, Tailwind CSS 🔹 Why Work With Me? ✅ Proven Experience – 10+ years delivering successful frontend solutions. ✅ Problem Solver – Not just writing code, but building solutions for your business needs. ✅ Strong Communication & Collaboration – Bridging the gap between designers, engineers, and QA teams. ✅ Reliable & Detail-Oriented – High-quality, maintainable code that stands the test of time. 📩 Let’s talk about your project! Contact me to discuss how I can help bring your vision to life.