Build and ship scalable SaaS features end-to-end: React/Next.js UI + Node/Nest.js APIs with clean architecture.
Services
Full-stack development for SaaS: React/Next.js frontends and Node/Nest.js backends, built for scale, stability, and fast iteration.
UI Implementation
Pixel-perfect UI from Figma with modern React tooling (Next.js/Vite), responsive layouts, and performance-focused components.
Choose descriptive variable names that clearly indicate their purpose, improving readability and maintainability.
A function should do one thing and do it well. Keeping functions small improves readability and makes debugging easier.
Use local variables or encapsulation to prevent unintended side effects and improve modularity.
Follow a consistent code style, such as indentation, spacing, and naming conventions, to improve readability.
Break your code into reusable modules or components to improve maintainability and scalability.
Write comments only when necessary to explain complex logic; avoid redundant comments that state the obvious.
Use try-catch blocks and meaningful error messages to handle exceptions gracefully.
Avoid unnecessary iterations and use efficient data structures to improve performance.
Use constants, environment variables, or configuration files to manage configurable values.
Use Git or another version control system to track changes and collaborate effectively.
Choose descriptive variable names that clearly indicate their purpose, improving readability and maintainability.
A function should do one thing and do it well. Keeping functions small improves readability and makes debugging easier.
Use local variables or encapsulation to prevent unintended side effects and improve modularity.
Follow a consistent code style, such as indentation, spacing, and naming conventions, to improve readability.
Break your code into reusable modules or components to improve maintainability and scalability.
Write comments only when necessary to explain complex logic; avoid redundant comments that state the obvious.
Use try-catch blocks and meaningful error messages to handle exceptions gracefully.
Avoid unnecessary iterations and use efficient data structures to improve performance.
Use constants, environment variables, or configuration files to manage configurable values.
Use Git or another version control system to track changes and collaborate effectively.
Choose descriptive variable names that clearly indicate their purpose, improving readability and maintainability.
A function should do one thing and do it well. Keeping functions small improves readability and makes debugging easier.
Use local variables or encapsulation to prevent unintended side effects and improve modularity.
Follow a consistent code style, such as indentation, spacing, and naming conventions, to improve readability.
Break your code into reusable modules or components to improve maintainability and scalability.
Write comments only when necessary to explain complex logic; avoid redundant comments that state the obvious.
Use try-catch blocks and meaningful error messages to handle exceptions gracefully.
Avoid unnecessary iterations and use efficient data structures to improve performance.
Use constants, environment variables, or configuration files to manage configurable values.
Use Git or another version control system to track changes and collaborate effectively.
Choose descriptive variable names that clearly indicate their purpose, improving readability and maintainability.
A function should do one thing and do it well. Keeping functions small improves readability and makes debugging easier.
Use local variables or encapsulation to prevent unintended side effects and improve modularity.
Follow a consistent code style, such as indentation, spacing, and naming conventions, to improve readability.
Break your code into reusable modules or components to improve maintainability and scalability.
Write comments only when necessary to explain complex logic; avoid redundant comments that state the obvious.
Use try-catch blocks and meaningful error messages to handle exceptions gracefully.
Avoid unnecessary iterations and use efficient data structures to improve performance.
Use constants, environment variables, or configuration files to manage configurable values.
Use Git or another version control system to track changes and collaborate effectively.
Clean Architecture
Maintainable, testable code with best practices: TypeScript, Nx monorepo structure, code reviews, and automated testing.
Technology Stack

🚀
Poster QR Solutions Platform
Complete re-architecture of QR platform for 20,000+ venues globally. Rebuilt from scratch with modern stack, achieving 99.95% uptime and driving 90% increase in client sales.
- Migrated from Next.js/PHP to Vite/Node.js architecture
- Integrated QR Menu, QR Payments, QR Reviews, and Hub modules
- UI/UX redesign with API optimization that directly impacted revenue
- Eliminated legacy code bottlenecks, improved build times significantly
- Serving 20,000+ restaurants and venues worldwide
🚀
Fintech Microservices Platform
Event-driven microservices architecture for payment processing and user activity tracking with real-time analytics and modern UI.
- Built microservice consolidating user activity data for product decisions
- Implemented event pipeline with Redis/BullMQ processing thousands of real-time events
- Led full UI/UX redesign and migration from Ant Design to Material UI
- Refactored monolithic codebase into microservices within Nx monorepo
- Improved system responsiveness for payment workflows
🚀
HubSpot Messenger Integration
Custom automation system connecting HubSpot CRM with customer messaging platform, eliminating manual processes and saving $60K annually.
- Automated customer communications workflow
- Reduced manual processes saving company $60K+ annually
- Real-time webhook integration between HubSpot and messaging platform
- Custom REST API endpoints for bidirectional data sync
- Built with Express.js for high performance and reliability

🚀
Avalon
Full-stack development of a high-end corporate website for a leading construction firm. Designed to drive lead generation and showcase a premium property portfolio.
- Secure client access to billing and activity data
- Document sharing and management system
- Role-based access control with scoped API keys
- Modular architecture for easy customization
- Authentication powered by Clerk

🚀
Playball
Developed a comprehensive marketplace for the Lithuanian sports market, bridging the gap between facility owners and athletes.
- Built a comprehensive marketplace for the Lithuanian sports market, bridging the gap between facility owners and athletes.
- Built UI components, dashboards, and admin panels
- Built a comprehensive marketplace for the Lithuanian sports market, bridging the gap between facility owners and athletes.
- Built a comprehensive marketplace for the Lithuanian sports market, bridging the gap between facility owners and athletes.