10/10/2025 updated
100 % available
Senior Frontend / Fullstack Developer with 18+ years experience in React, TypeScript and Node.js
Poznan, Poland MSc in Computer Science
React & Frontend Development
Expert in React, TypeScript, and modern frontend frameworks including Next.js, Angular, and Redux. Specialized in building complex UI components with Zod validation and implementing scalable architecture.
Node.js & Backend Development
Proficient in Node.js backend development with experience in REST APIs, GraphQL/Apollo, and various database technologies. Strong background in creating microservices and cloud integrations.
DevOps & CI/CD
Advanced knowledge of development tooling including Docker, Webpack, Vite, and CI/CD pipelines. Experience with testing frameworks like Jest, Vitest and implementing quality assurance processes.
Agile Methodologies
Experience with Scrum, TDD, Clean Code principles, and promoting best practices through code reviews and mentoring.
Cloud & AWS
Knowledge of AWS services and cloud integration patterns for building scalable web applications.
Accessibility & Performance
Focus on building accessible web applications with optimization for performance, SEO, and cross-device compatibility.
Component Design
Expertise in Atomic Design, styled-components, and building reusable UI component libraries.
Expert in React, TypeScript, and modern frontend frameworks including Next.js, Angular, and Redux. Specialized in building complex UI components with Zod validation and implementing scalable architecture.
Node.js & Backend Development
Proficient in Node.js backend development with experience in REST APIs, GraphQL/Apollo, and various database technologies. Strong background in creating microservices and cloud integrations.
DevOps & CI/CD
Advanced knowledge of development tooling including Docker, Webpack, Vite, and CI/CD pipelines. Experience with testing frameworks like Jest, Vitest and implementing quality assurance processes.
Agile Methodologies
Experience with Scrum, TDD, Clean Code principles, and promoting best practices through code reviews and mentoring.
Cloud & AWS
Knowledge of AWS services and cloud integration patterns for building scalable web applications.
Accessibility & Performance
Focus on building accessible web applications with optimization for performance, SEO, and cross-device compatibility.
Component Design
Expertise in Atomic Design, styled-components, and building reusable UI component libraries.
Languages
EnglishFluentPolishNative speaker
Project history
Leading frontend development of a new expense management module with AI-powered receipt scanning, custom expense policies, and multi-currency support. Building complex forms with dynamic validation using Zod and implementing reusable UI components with Atomic Design principles.
Led development of Node.js integration between Fabric (Brand Engine), Segment Analytics, and Google Tag Manager. Designed Node.js packages with stable async logic and advocated for TypeScript adoption. Delivered core frontend architecture for a large-scale media platform with CMS integration.
Delivered key features for financial instruments management platform and corporate banking portal. Built complex forms with validation and auto-complete, ensuring high UX and performance. Implemented React-based microfrontends and Node.js/Java services during the pandemic.