Software Developer Portfolio AdrianBieliński
Full-Stack Web Developer
I build fast, modern websites that help businesses grow online.
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Years Experience
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Projects Delivered
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Happy Clients
About
I'm a web developer with 6 years of experience building production-ready web applications. I work with businesses of all sizes to improve their online presence — from fixing slow, outdated websites to building new ones from scratch. I focus on performance, SEO, and clean code.
Tech Stack
Frontend
Backend
Tools
Skills & Expertise
Accessibility (a11y)
WCAG 2.1 compliance, semantic HTML, ARIA attributes, screen-reader testing
SEO
Technical SEO, Core Web Vitals, structured data, multilingual hreflang
Performance
Lighthouse optimisation, lazy loading, bundle splitting, CDN caching
E-commerce
Checkout flows, payment API integration, conversion-rate optimisation
Design Systems
MUI, Storybook, component libraries, design tokens, Figma handoff
CI / CD & DevOps
Docker, AWS, GitHub Actions, automated deployment pipelines
Projects
FC Bayern München
Fan-facing web platform for one of the world's most recognised football clubs. Delivered new features and performance improvements across properties serving millions of monthly visitors.
Dehner Garten-Center
E-commerce storefront for Germany's largest garden centre chain. Rebuilt checkout flows, integrated payment and logistics APIs, and improved performance across high-traffic product pages.
Sanoa Healthcare Platform
Healthcare platform connecting patients with medical supply stores across Germany. Built location-based services, improved search, and delivered responsive interfaces for consumers and business partners.
Experience
Dehner Garten-Center
Senior Frontend Developer
Building and maintaining the digital platform for one of the world's most recognised football clubs. Delivering new fan-facing features and performance improvements across web properties serving millions of monthly visitors.
FC Bayern München
Frontend Developer
Developed and optimised the e-commerce storefront for Germany's largest garden centre chain. Improved page performance, rebuilt checkout flows, and integrated payment and logistics APIs across high-traffic product pages.
Sanoa GmbH
Web Developer
Developed features for a healthcare platform connecting patients with medical supply stores across Germany. Built location-based services, improved search functionality, and delivered responsive interfaces for both consumers and business partners.
Grün Software AG
Junior Web Developer
Started career building SaaS-based association and membership management software. Implemented new UI components, REST API integrations, and improved frontend test coverage.
Contact
Got a project in mind?
I'm available for freelance work and full-time positions.