Łukasz B.
Frontend Developer
His core expertise includes Angular, React, Next.js, TypeScript, and JavaScript, with a strong focus on frontend architecture, performance, maintainability, and design systems.
He has developed enterprise-grade applications, reusable design systems, and interactive 3D visualization features, while also contributing to CI/CD pipelines, architectural decisions, and frontend development practices. His experience with micro-frontend architecture enables him to design modular solutions that can scale across complex products and teams.
Alongside his commercial experience, Łukasz has delivered end-to-end web solutions as a freelance developer, including payment-integrated websites and performance-optimized applications. He combines strong technical expertise with a practical approach to building reliable, maintainable, and user-focused frontend solutions.
Main expertise
TypeScript6 years
Angular6 years
RxJs6 years
JavaScript6 yearsExperience4
Frontend Developer
Xebia is a global technology consulting and software engineering company specializing in AI, cloud, data, software development, and digital transformation, helping organizations design, build, and scale modern technology solutions.
- Developed and maintained Angular applications within a micro-frontend architecture.
- Led frontend development activities, including code reviews, task coordination, and technical decision-making.
- Contributed to the development and maintenance of a shared design system.
Angular.js
React.js
HTML
CSSTypeScript
Freelance Developer
Projects:
- Delivered end-to-end web solutions as the sole developer for multiple clients.
- Developed a restaurant website using PHP and Gatsby with integrated online payments.
- Built a 3D model visualization application using Next.js and Three.js.
- Managed deployments and optimized application performance.
PHP
Laravel
MySQLJavaScriptReact.js
Software Developer
MS Leopard is a Polish software development company that delivers custom web and enterprise software solutions, helping clients build and maintain digital products across a range of industries.
- Developed and maintained frontend applications using Angular, React, Next.js, and Gatsby.
- Managed CI/CD pipelines using GitLab CI/CD and Docker.
- Built interactive 3D visualization features using Three.js and WebGL.
JavaScriptAngular.jsReact.js
Docker
PostgreSQL
IT Support
Responsibilities:
- Provided technical support and resolved user issues.
- Assisted with database queries and basic system administration tasks.
- Maintained simple websites using HTML and CSS.
HTML
MSSQL
HTML / CSSEngineering excellence
All Frontend Developers who have applied to Proxify are scored from 0 to 300 on engineering excellence, one of the five parameters we evaluate. This score reflects engineering excellence only, based on interviews, take-home assignments, live coding sessions, and/or on-the-job performance reviews. The curve shows how all evaluated Frontend Developers are distributed across that range, where our acceptance threshold for this parameter sits, and where Łukasz stands.
Score 186 · Top 12% of engineers
Certificates 1
Issued Feb 2026 - Expires Feb 2029
Credential ID 1e902055a0454f1aa9fbad84d6fe5dd0
Issued Feb 2026 - Expires Feb 2029
Credential ID 1e902055a0454f1aa9fbad84d6fe5dd0
Education
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