Tech-savvy and resourceful Senior Frontend Engineer with a passion for current trends and best practices in front-end architecture, including performance, accessibility, security, and usability. I possess substantial experience in developing robust, scalable, and high-performance mobile and web applications, with a proven track record in leading development initiatives and creating innovative applications.

• JavaScript (ES6+)
• TypeScript
• Node.js
• HTML5
• CSS3

• React.js
• Next.js
• React Native
• Expo
• Astro
• Express.js

• React Query
• Redux
• Zustand
• XState

• AWS (Amazon Web Services)
• Jira
• Git
• GitLab

• GitHub Actions
• GitLab CI/CD

• REST
• GraphQL
• WebSockets

• Storybook
• Jest
• Vitest
• React Testing Library

• Agile methodologies
• Problem solver
• Communication skills
• Unit & E2E tests

• Leading development initiatives in the fintech domain, focusing on building high-performance applications with React and Expo within an AWS environment.
• Mentored junior developers, fostering their growth and improving overall team performance.
• Built and maintained a shared library with Zod validation schemas, enhancing data consistency and integration between frontend and backend teams.
• Led a project on Frontend (FE), creating the entire architecture and establishing CI/CD pipelines for automation, resulting in streamlined development processes.
• Tech stack: React, Expo, Astro, TypeScript, Tailwind, React Query, zod, Cognito AWS, Vite, Datadog, GitHub Actions, Figma.

• Developed and launched mobile and web applications, ensuring seamless functionality and user experience across all platforms, resulting in increased user engagement and satisfaction.
• Managed deployment of new application versions to production for all platforms.
• Tech stack: React, TypeScript, Redux, GraphQL, Express.js, Gatsby, Material UI, Adobe XD.

• Worked on various applications, including the development of a company website with a CMS built using Gatsby and GraphQL.
• Collaborated on a large-scale CRM application for lawyers in the USA, involving multiple teams and extensive coordination.
• Developed and maintained shared component library.
• Optimized performance on web and mobile apps.
• Mentored junior developers.
• Tech stack: React, React Native, TypeScript, Redux (with Sagas), AntDesign, Styled Components, Firebase, XState, Chromecast, Sentry, Figma.

• Focused on e-commerce projects, enhancing online retail platforms using WordPress and PrestaShop, and delivering bespoke solutions with React.js for a streamlined customer experience.
• Tech stack: React, WordPress, PrestaShop, Vue.js.

• Spearheaded a startup project, justfitup.com, leveraging full-stack capabilities with React and Express.js to create a fitness enthusiasts platform.
• Provided custom web development services, working closely with clients to understand their needs and crafting personalized websites primarily using WordPress and React.js.
• Tech stack: React, Express.js, WordPress.

• Master's in Business Informatics - Uniwersytet Ekonomiczny we Wrocławiu (10.2019 - 05.2021)
• Engineering in Mining & Geology - Politechnika Wrocławska (10.2014 - 03.2018)

• Polish - Native
• English - C1

• Phone: +48 792 436 628
• Email: [email protected]
• Location: Wroclaw, Poland

Feel free to reach out if you'd like to collaborate on any interesting projects or discuss cutting-edge frontend technologies!