Roman
Travnikov
I craft innovative and high-performance user interfaces with 10+ years of experience. My expertise spans across React, TypeScript, and modern frontend technologies to create exceptional user experiences.
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Professional Journey
My career path across logistics, travel, automotive, and mining industries, where I've crafted exceptional digital experiences
Senior Frontend Developer
Super Dispatch (USA)
Working on refining the UI/UX for logistics platforms, focusing on performance optimization and responsive design.
Key Achievements
Improved UI/UX for logistics management platforms using React.js and TypeScript
Implemented advanced state management patterns for complex data flows
Optimized frontend performance, reducing load times by 40%
Frontend Developer
Flymeto (Czech Republic)
Developed a high-traffic flight ticket booking platform with React.js and Next.js, focusing on performance and user experience.
Senior Frontend Developer
OMNETIC (Czech Republic)
Built a Dealership Management System for the EU market using React, Next.js, and Material UI.
Full Stack Developer
RealTrac Technologies
Created GIS-based tracking systems for the mining industry, implementing high-performance maps and real-time notifications.
Technical Expertise
My core technologies and specialized skills, developed through years of building enterprise applications and solving complex technical challenges.
Core Frontend
Leading modern frontend architectures with focus on performance and maintainability
React
Architected complex component systems, implemented custom hooks patterns, and built performance-optimized React applications at scale
Next.js
Implemented SSR/SSG/ISR for optimal performance, built API routes, and managed complex routing for enterprise applications
TypeScript
Implemented advanced type systems, generics, and strict typing patterns for robust codebases with near-100% type coverage
Redux Toolkit
Created optimized state management systems with RTK Query for data fetching, caching, and real-time updates
Architecture & Patterns
Building scalable, maintainable frontend systems and component architectures
Nx Monorepo
Set up and managed monorepo architectures for large-scale projects with shared libraries and micro-frontends
Micro-Frontends
Implemented module federation and micro-frontend architecture for scalable enterprise applications
Storybook
Developed comprehensive component documentation systems with Storybook for design system implementation
SCSS Modules
Created maintainable, scalable CSS architecture with modular SCSS patterns and design systems
Testing & Quality
Ensuring code quality and reliability through comprehensive testing strategies
Jest/RTL
Implemented TDD practices, increased test coverage from 20% to 80%+, and architected comprehensive testing strategies
Cypress
Created end-to-end test suites for critical user flows and integrated them into CI/CD pipelines
Playwright
Implemented cross-browser visual regression testing and automated accessibility testing
TDD/BDD
Led test-driven development initiatives that reduced production bugs by 45% and improved code quality metrics
Creative Development
Implementing engaging visual experiences and animations for enhanced UX
GSAP
Created complex timeline animations, scroll-triggered effects, and interactive user experiences
SVG Animation
Developed interactive data visualizations and animated illustrations for enhanced storytelling
Three.js
Built 3D product showcases and interactive WebGL experiences integrated with React applications
Figma
Created UI components and prototypes, and established developer-designer workflows for efficient handoff
Backend & Data
Building robust backend services and data integration solutions
Node.js
Built RESTful APIs, real-time data services, and backend infrastructure for high-traffic applications
GraphQL
Implemented schema design, optimized resolvers, and built client-side caching strategies for complex data requirements
Firebase
Developed real-time data solutions, authentication systems, and cloud functions for scalable applications
Express
Created middleware systems, authentication flows, and optimized API architectures for backend services