
Andrei Sbirciog
London, United Kingdom
Andrei Sbirciog
Full Stack Web Developer
Category : Web development
Hi! I'm a full stack web developer specializing in building complete digital products from sleek, responsive front-ends to powerful back-end systems, with modern AI capabilities integrated where they add real value.
What I offer:
Web Development — Full Stack
Front-end: Modern, responsive UIs (HTML, CSS, JavaScript, React / Vue)
Back-end: APIs, authentication, business logic (Node.js, PHP, Python, etc.)
Databases: SQL & NoSQL, optimized for your use case
Deploy & hosting: Server setup, domain, SSL, performance tuning
E-commerce & CMS: Online stores, WordPress, custom-built platforms
Maintenance & support: Updates, bug fixes, ongoing improvements
AI Implementation
AI-powered chatbots & virtual assistants for your website or app
Integration with OpenAI, Claude, Gemini, and other LLM APIs
Automation of repetitive workflows using AI
Smart search, recommendations, and content generation features
Custom AI tools tailored to your business needs
Whether you need a simple landing page, a complex web application, an online store, or an AI-enhanced platform — I handle everything from concept to launch.
I deliver clean code, clear communication, and real results — on time, every time.
Let's talk about your project!
What I offer:
Web Development — Full Stack
Front-end: Modern, responsive UIs (HTML, CSS, JavaScript, React / Vue)
Back-end: APIs, authentication, business logic (Node.js, PHP, Python, etc.)
Databases: SQL & NoSQL, optimized for your use case
Deploy & hosting: Server setup, domain, SSL, performance tuning
E-commerce & CMS: Online stores, WordPress, custom-built platforms
Maintenance & support: Updates, bug fixes, ongoing improvements
AI Implementation
AI-powered chatbots & virtual assistants for your website or app
Integration with OpenAI, Claude, Gemini, and other LLM APIs
Automation of repetitive workflows using AI
Smart search, recommendations, and content generation features
Custom AI tools tailored to your business needs
Whether you need a simple landing page, a complex web application, an online store, or an AI-enhanced platform — I handle everything from concept to launch.
I deliver clean code, clear communication, and real results — on time, every time.
Let's talk about your project!
Working hours
- Monday:08h00 To 18h00
- Tuesday:08h00 To 18h00
- Wednesday:08h00 To 18h00
- Thursday:08h00 To 18h00
- Friday:08h00 To 18h00
- Saturday:Not available
- Sunday:Not available
- API & Third-Party Integrations25 $ - Per hourIs your web application isolated, or do you need to connect it with external platforms to automate your business? I specialize in designing custom backend structures and seamlessly integrating robust ...
- Full-Stack Web Application Development25 $ - Per hourEnd-to-end development of robust, scalable web applications from scratch. I build powerful backends combined with high-performance, dynamic frontends (React, TypeScript, Node.js). Perfect for ...
Impact Overview: Engineered and delivered high-performance, end-to-end web applications, turning complex business requirements into scalable and secure software. Bridged the gap between robust backend architecture and premium, pixel-perfect user interfaces to deliver a flawless digital experience.
Key Achievements & Capabilities:
End-to-End Full-Stack Development: Built and launched dynamic web applications from scratch, seamlessly connecting powerful backends (Node.js / Express) with scalable, typed frontends using React.js and TypeScript.
High-Performance API Design: Designed and integrated secure RESTful / GraphQL APIs, efficiently handling complex JSON structures, asynchronous data flows, and real-time data feeds.
Advanced Security & Data Logic: Implemented ironclad authentication systems (JWT, OAuth, session logic) and secure data handling practices to guarantee application and user safety.
Premium & Pixel-Perfect UI/UX: Transformed complex UI/UX wireframes into responsive, fully accessible (WCAG), and visually stunning interfaces using TailwindCSS, Material UI, and custom high-level animations that boost user engagement.
Performance & SEO Engineering: Optimized web vitals, page loading speeds, and cross-browser compatibility, significantly improving SEO rankings and overall user retention.
Bulletproof Code Quality: Ensured rock-solid codebase stability by writing comprehensive unit, integration, and snapshot tests, while maintaining strict coding standards through rigorous peer code reviews.
Agile Product Delivery: Thrived in fast-paced Agile/Scrum environments, actively collaborating in sprints to rapidly translate technical requirements into production-ready features.
Key Achievements & Capabilities:
End-to-End Full-Stack Development: Built and launched dynamic web applications from scratch, seamlessly connecting powerful backends (Node.js / Express) with scalable, typed frontends using React.js and TypeScript.
High-Performance API Design: Designed and integrated secure RESTful / GraphQL APIs, efficiently handling complex JSON structures, asynchronous data flows, and real-time data feeds.
Advanced Security & Data Logic: Implemented ironclad authentication systems (JWT, OAuth, session logic) and secure data handling practices to guarantee application and user safety.
Premium & Pixel-Perfect UI/UX: Transformed complex UI/UX wireframes into responsive, fully accessible (WCAG), and visually stunning interfaces using TailwindCSS, Material UI, and custom high-level animations that boost user engagement.
Performance & SEO Engineering: Optimized web vitals, page loading speeds, and cross-browser compatibility, significantly improving SEO rankings and overall user retention.
Bulletproof Code Quality: Ensured rock-solid codebase stability by writing comprehensive unit, integration, and snapshot tests, while maintaining strict coding standards through rigorous peer code reviews.
Agile Product Delivery: Thrived in fast-paced Agile/Scrum environments, actively collaborating in sprints to rapidly translate technical requirements into production-ready features.
Impact Overview: Developed and launched high-converting digital products and interactive web modules. Combined precise design implementation with backend API integrations to build fast, responsive, and data-driven user experiences from the ground up.
Key Achievements & Capabilities:
Full-Stack API Integration: Connected front-end applications with RESTful APIs, ensuring seamless data synchronization, dynamic content rendering, and efficient handling of backend server responses.
Production-Ready UI/UX: Transformed complex PSD and Adobe XD designs into clean, fully functional, and highly responsive web platforms using modern CSS and semantic architecture.
Modular Architecture: Engineered scalable, reusable component libraries using Vanilla JavaScript (ES6+), optimizing the codebase for long-term maintainability and easier backend integration.
Interactive Prototyping: Built advanced, interactive prototypes to visualize complex application flows and UI behaviors, accelerating production timelines in collaboration with senior engineers.
Rich Media & Marketing Automation: Designed and deployed optimized, high-performance animated assets using Google Web Designer, tailored for Google Ads and scalable marketing campaigns.
Rigorous Testing & Debugging: Maintained zero-bug deployments by conducting thorough cross-browser testing, debugging sessions, and code reviews to ensure maximum runtime stability.
Asset & Design Optimization: Leveraged Adobe XD, Photoshop, and Illustrator to slice assets and optimize images, significantly reducing asset payload sizes and boosting page speed.
Key Achievements & Capabilities:
Full-Stack API Integration: Connected front-end applications with RESTful APIs, ensuring seamless data synchronization, dynamic content rendering, and efficient handling of backend server responses.
Production-Ready UI/UX: Transformed complex PSD and Adobe XD designs into clean, fully functional, and highly responsive web platforms using modern CSS and semantic architecture.
Modular Architecture: Engineered scalable, reusable component libraries using Vanilla JavaScript (ES6+), optimizing the codebase for long-term maintainability and easier backend integration.
Interactive Prototyping: Built advanced, interactive prototypes to visualize complex application flows and UI behaviors, accelerating production timelines in collaboration with senior engineers.
Rich Media & Marketing Automation: Designed and deployed optimized, high-performance animated assets using Google Web Designer, tailored for Google Ads and scalable marketing campaigns.
Rigorous Testing & Debugging: Maintained zero-bug deployments by conducting thorough cross-browser testing, debugging sessions, and code reviews to ensure maximum runtime stability.
Asset & Design Optimization: Leveraged Adobe XD, Photoshop, and Illustrator to slice assets and optimize images, significantly reducing asset payload sizes and boosting page speed.
During my studies at Coventry University, I built a strong and well-rounded foundation in core areas of Computing Science, including:
Cyber Security — Understanding of security principles, threat analysis, vulnerability assessment, and best practices for building secure systems and applications.
Programming — Solid grounding in software development, problem-solving, algorithms, and writing clean, efficient code across multiple languages.
Networking — Knowledge of network architecture, protocols, communication systems, and how data flows across modern infrastructures.
Operating Systems — Deep understanding of OS concepts including process management, memory, file systems, and system-level operations.
Cyber Security — Understanding of security principles, threat analysis, vulnerability assessment, and best practices for building secure systems and applications.
Programming — Solid grounding in software development, problem-solving, algorithms, and writing clean, efficient code across multiple languages.
Networking — Knowledge of network architecture, protocols, communication systems, and how data flows across modern infrastructures.
Operating Systems — Deep understanding of OS concepts including process management, memory, file systems, and system-level operations.
- 🇬🇧 English
- 🇪🇸 Spanish
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