Hi there, I am
Stanislav Lyu
Experienced front-end developer
with 5+ years of expertise in
with 5+ years of expertise in
Next.js
About Me
An introduction to professional experience, technical skills, and development philosophy, showcasing a passion for building high-performance web applications, collaborating with teams, and staying ahead in the ever-evolving tech landscape.


- π 5+ years of experience in frontend development
- π‘ Builds high-performance, user-friendly web applications
- π Specializes in scalable, SEO-optimized, and visually appealing digital solutions
- π οΈ Proficient in React, Next.js, Tailwind CSS, Chart.js, PrimeReact, and shadcn
- β Experienced with Jest and React Testing Library for testing
- π€ Collaborates with designers, backend developers, and product teams
- π Continuously learns and adapts to the latest technologies
Case Studies
An in-depth exploration of projects and challenges, showcasing innovative solutions, strategic thinking, and measurable outcomes that demonstrate expertise and impact.

The Ultimate SEO Platform for Maximizing Website Performance
Seobase is a comprehensive SEO tool designed to simplify SEO tasks, manage a large user base, and scrape data efficiently from Google.

Cutting-Edge Digital Sports Entertainment Platform
Interwetten offers high-quality online betting and gaming services, supported by advanced technological solutions and robust content management systems.
Skills
A comprehensive showcase of technical expertise and interpersonal abilities, highlighting the tools, technologies, and soft skills that contribute to professional success and effective collaboration.
Soft Skills
- Communication
- Teamwork
- Problem-Solving
- Time Management
- Adaptability
- Critical Thinking
- Emotional Intelligence
- Leadership
Hard Skills
- CSS3
- Cypress
- Gatsby
- Git
- GitHub
- GitHub Actions
- HTML5
- JavaScript
- Jira
- Less.js
- Next.js
- Node.js
- React
- Angular
- RxJS
- NgRx
- Redux
- Sass
- Tailwind CSS
- TypeScript
- Vercel
- Vite.js
- Webpack
- Yarn
- NPM
- Karma
- JSON
- Jest
- Jamstack
- GraphQL
- GitLab
- Figma
- ESLint
- Docker
Work Experience
A showcase of my journey, skills, and contributions across diverse roles. From building high-performance websites to developing cutting-edge platforms, here are my career highlights.
Middle+ Front-End Developer
Kapsys Pages
2023 - Present
- π₯ Worked in 3 teams and contributed to 10+ projects.
- β‘ Developed highly SEO-optimized, high-performance applications using SSG (Static Site Generation) with Next.js.
- π οΈ Built and maintained component libraries with shadcn across multiple projects, improving development efficiency and UI consistency.
- π Migrated 2+ large-scale applications to Next.js, improving SEO, performance, and maintainability.
- β‘ Optimized data fetching and state management in 3+ applications using React Query, improving performance and reducing unnecessary re-renders.
- π¨ Developed 5+ projects using Tailwind CSS, ensuring consistent and scalable UI components.
Front-End Developer
Interwetten
2024
- β½ Built a microfrontend SSR Next.js sports blog, displaying real-time sports content on page load with latency under 500ms.
- π° Developed a custom Kontent AI component to manage and display live bets on the website, improving content editor efficiency by 40% and enhancing user engagement by 30%.
- β‘ Reduced page load times by 40% by implementing advanced code-splitting techniques with Next.js.
- π― Achieved a 25% boost in application performance by optimizing critical path CSS and implementing lazy loading.
Testimonials
Discover what others are saying about my work, skills, and contributions. These testimonials highlight the impact I've made and the value I bring to every project.
I have had the privilege of working with Stanislav for about two years at Kapsys. Stanislav is one of the most valuable members of our Frontend Development Team. His attention to detail and ability to consistently complete complex projects on time impressed me. He communicates effectively with the team members. His loyalty, reliability, and willingness to learn new technologies and adapt to changing environments make him special. Overall, with his extensive front-end expertise, I am sure he will keep excelling and making valuable contributions wherever he goes.

Tugay SerinkenSenior Frontend Developer, Kapsys
Working with Stanislav at Kapsys has been a great experience. As a backend developer, Iβve been impressed by his ability to create clean and efficient integrations between the frontend and backend. His attention to detail and quick problem-solving skills have been key to completing challenging projects on time. Stanislav is highly collaborative, communicates clearly, and is always open to feedback, which makes working with him smooth and enjoyable. With his strong frontend expertise and dedication, heβs a valuable member of any team.

Volodymyr PeganovSenior Backend Developer, Kapsys
Iβve worked with Stas at Kapsys for several years, and he has always impressed me with his ability to turn designs into functional, polished products. He pays great attention to detail and ensures that everything matches the design perfectly. Stas is easy to work with, open to feedback, and always ready to help solve problems. Heβs reliable, professional, and a great teammate. Iβm confident heβll be a valuable part of any team he joins.

Roman FedchenkoProduct Designer, Kapsys
I've had the pleasure of working alongside Stas at Kapsys for three years, building websites together. His skills as a Frontend Developer are truly remarkable. Stas has an exceptional ability to transform web designs into dynamic, functional websites using frameworks like React and Angular. He's not only highly skilled but also incredibly helpful, easy to collaborate with, and an excellent communicator. As a professional, he values his work deeply, creating a comfortable and productive working environment. Stas excels at translating challenges into creative, visible solutions, consistently adding value to every project and team he works with. Heβs a talented developer who can always be trusted to deliver.

Ada BardoStrapi Developer, Kapsys
Working with Stanislav at Kapsys is a true pleasure! He is an outstanding team player who collaborates effortlessly and handles complex tasks with confidence. His excellent communication and leadership skills make him an inspiring mentor for junior team members. Stanislav's eagerness to learn and grow sets him apart. His deep knowledge of Angular and React/Next.js is impressive, and he quickly adapts to new technologies with ease. His dedication, motivation, and technical expertise make Stanislav a valuable team member and a key contributor to any project!

Nataliia SynenkoHR, Kapsys
Working with Stas is a great experience. As a QA, I have had the chance to see his work up close, and I can say heβs awesome at what he does. Stas writes clean and well-structured code. his attention to detail ensures that the websites he develops are not only functional, but also maintainable and easy to understand. The performance of the pages is consistently high.. heβs lightning-fast at fixing bugs and resolving any issues. whenever thereβs an issue, he jumps on it right away and gets it sorted fast. Stas is easy to work with, super responsive, and always ready to help.Stas is a key part of our dev team.

Mykyta SytovQA, Kapsys
Get in touch
Let's connect! Whether you have questions, collaboration ideas, or just want to say hello, feel free to reach out and start a conversation.