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I lead the refactoring of critical applications, enhancing user experience and cutting data loading times by 80%, achieving this through close collaboration with UI/UX designers.🚀 𝐂𝐚𝐫𝐞𝐞𝐫 𝐇𝐢𝐠𝐡𝐥𝐢𝐠𝐡𝐭𝐬► Refactored Internal Financial Panel: Transformed the application from class-based components to modern functional components using React and TypeScript, enhancing code readability and maintainability. This refactoring improved developer productivity and facilitated easier onboarding of new developers.► Optimized Data Loading Processes: Implemented React Query for efficient data fetching and caching, achieving an 80% reduction in data loading times, significantly enhancing the user experience and improving application performance.► Streamlined Build Processes: Employed Vite to optimize the build pipeline, resulting in faster build times and improved developer productivity, which led to quicker feature delivery and increased team efficiency.► Collaborating with Product Designers (UI/UX): Work closely with designers to develop user-centric solutions, ensuring that the final product aligns with business goals and provides an intuitive user experience that increases customer satisfaction and engagement.❤️ 𝐖𝐡𝐚𝐭 𝐈 𝐋𝐨𝐯𝐞At RTB House, I enjoy the opportunity to work on challenging projects that demand both technical expertise and creativity. The focus on user-centric design and collaboration with talented designers helps me refine my skills and deliver solutions that truly make an impact.

I led the development of a mobile logistics application for couriers, implementing new features in collaboration with business teams and backend developers. As a Senior Developer, I also provided mentorship and support to junior team members.🚀 𝐂𝐚𝐫𝐞𝐞𝐫 𝐇𝐢𝐠𝐡𝐥𝐢𝐠𝐡𝐭𝐬► Developed Mobile Logistics Application: Spearheaded the development of a logistics app for couriers, focusing on feature-rich interfaces and seamless user experience to improve efficiency in delivery processes.► Collaborated with Business and Backend Teams: Worked closely with business stakeholders and backend developers to design and implement features that aligned with business goals, ensuring a cohesive and efficient application.► Mentorship and Team Support: Provided guidance and support to junior developers, fostering a collaborative environment that encouraged growth and learning within the team.❤️ 𝐖𝐡𝐚𝐭 𝐈 𝐋𝐨𝐯𝐞𝐝At Expansio, I appreciated the open communication, focus on innovation, and the opportunity to work on ambitious and exciting projects. The company’s commitment to cutting-edge technology and collaborative culture allowed me to make significant contributions and enjoy a rewarding work experience.

Developed a front-end application to support pilot training planning, collaborating with an international team on a project powered by Machine Learning technologies.🚀 𝐂𝐚𝐫𝐞𝐞𝐫 𝐇𝐢𝐠𝐡𝐥𝐢𝐠𝐡𝐭𝐬► Front-End Development for ML-Enhanced Application: Built and maintained a responsive React application that supports advanced training planning for aviation pilots, ensuring seamless integration with machine learning models developed by dedicated specialists.► Collaborated with International Teams: Worked closely with data scientists and UX/UI designers to implement user-friendly interfaces that met the unique needs of training planners.► Implemented User-Centric Features: Developed intuitive front-end features that improved user interaction and streamlined the workflow, contributing to a more efficient planning process.❤️ 𝐖𝐡𝐚𝐭 𝐈 𝐋𝐨𝐯𝐞𝐝At Anno.Ai, I appreciated the opportunity to work in a dynamic international environment on an innovative project that pushed the boundaries of front-end development. Collaborating with experts from different fields allowed me to refine my skills and contribute to a project with significant real-world impact.

Contributed to the front-end development of an application designed for businesses using online contract and document automation, leveraging GraphQL for efficient API communication.🚀 𝐂𝐚𝐫𝐞𝐞𝐫 𝐇𝐢𝐠𝐡𝐥𝐢𝐠𝐡𝐭𝐬► Developed Front-End Solutions: Focused on building user-friendly interfaces for an application that automates contracts and documents for businesses, enhancing usability and efficiency.► GraphQL API Integration: Implemented seamless communication with backend services using GraphQL, optimizing data retrieval and improving application performance.► Enhanced User Experience: Collaborated with UX designers to implement intuitive user interfaces that improved overall user engagement and satisfaction.► Supported Organizational Goals: Contributed to Contractbook’s mission of providing data-driven contract automation, ensuring that the platform met client needs for efficiency and reliability.❤️ 𝐖𝐡𝐚𝐭 𝐈 𝐋𝐨𝐯𝐞𝐝At Contractbook, I loved the company’s commitment to excellent organizational culture, the focus on documentation, and async work. Working with talented people on a fascinating project made my experience enriching and rewarding.

Collaborated with a team to develop a responsive web application for the largest American hotel chain, utilizing React.js and the latest React hooks to enhance performance and user experience in a global environment.🌟 𝐂𝐚𝐫𝐞𝐞𝐫 𝐇𝐢𝐠𝐡𝐥𝐢𝐠𝐡𝐭𝐬► Responsive Web Application Development: Contributed to the creation of a dynamic web application for a major American hotel chain, leveraging React.js to deliver a seamless user experience across devices.► Pioneering React Hooks: Worked on implementing React hooks, a cutting-edge feature at the time, to improve code efficiency and component functionality, resulting in a more maintainable and scalable application.► International Team Collaboration: Collaborated with a diverse team of developers and stakeholders from different countries, ensuring alignment with project goals and effective communication.► Enhanced User Experience: Focused on optimizing the user interface and interaction, delivering a product that met high client expectations and user satisfaction.❤️ 𝐖𝐡𝐚𝐭 𝐈 𝐋𝐨𝐯𝐞𝐝At AppUnite, I loved the vibrant culture and relaxed work atmosphere, built on trust and respect. The opportunity to work on exciting projects with talented colleagues made my experience truly rewarding and enjoyable.

Kraków, Woj. Małopolskie, Polska

Opened the first Codecool school in Poland, guiding nearly 150 students to graduate as skilled junior software developers.🌟 𝐂𝐚𝐫𝐞𝐞𝐫 𝐇𝐢𝐠𝐡𝐥𝐢𝐠𝐡𝐭𝐬► Curriculum Development and Management: Designed and maintained a comprehensive curriculum covering key programming languages and technologies, ensuring students were well-prepared for the industry.► Student Mentorship: Provided daily support and evaluation, helping students achieve their goals through personalized feedback and guidance.► Recruitment and Team Building: Successfully recruited and onboarded new students and mentors, creating a dynamic learning environment that fostered growth and collaboration.► Documentation and Knowledge Sharing: Contributed to building a robust documentation system using Confluence, supporting Codecool’s mission to ensure that knowledge is well-documented and accessible.► Facilitation of Meetings: Organized and facilitated daily meetings and tech-related events, enhancing student engagement and learning outcomes.❤️ 𝐖𝐡𝐚𝐭 𝐈 𝐋𝐨𝐯𝐞𝐝At Codecool, I loved the opportunity to inspire and guide aspiring developers in an innovative educational environment. The emphasis on documenting knowledge and working with a passionate team reinforced the school’s collaborative culture, making my role deeply fulfilling and impactful.

Kraków, Woj. Małopolskie, Polska

Led a team of developers creating B2C and B2B web applications, ensuring timely delivery and alignment with business goals.🌟 𝐂𝐚𝐫𝐞𝐞𝐫 𝐇𝐢𝐠𝐡𝐥𝐢𝐠𝐡𝐭𝐬► Team Leadership: Managed a high-performing team, fostering innovation and efficiency in web application development for B2C and B2B markets.► API Platform Design: Reduced integration time for B2B customers by 50% through a consolidated API platform that unified various carrier services.► Collaboration with System Architects: Worked with system architects on designing critical architecture components, providing insights and analyses for robust solutions.► Docker Implementation: Introduced Docker for development and testing, reducing server setup time and enhancing deployment processes.► Event-Driven Applications: Developed applications for email and SMS content management, improving customer communication efficiency.📈 𝐊𝐞𝐲 𝐀𝐜𝐡𝐢𝐞𝐯𝐞𝐦𝐞𝐧𝐭𝐬► 50% Reduction in Integration Time: Decreased integration time with a unified API platform, contributing to faster onboarding and customer satisfaction.► Improved Development Processes: Streamlined workflows by implementing Docker, enabling quicker server setups and deployments.❤️ 𝐖𝐡𝐚𝐭 𝐈 𝐋𝐨𝐯𝐞𝐝I loved leading a talented team and working on innovative projects. Collaborating with business units and focusing on customer needs often involved direct client interactions to understand their problems and deliver tailored solutions. The company’s collaborative culture and cutting-edge technology made my time at InPost both challenging and fulfilling.

Kraków, Woj. Małopolskie, Polska

Worked as a Web Developer, maintaining existing projects and developing new solutions that enhanced the company’s innovative product offerings.🌟 𝐂𝐚𝐫𝐞𝐞𝐫 𝐇𝐢𝐠𝐡𝐥𝐢𝐠𝐡𝐭𝐬► E-commerce Platform Development: Developed an e-commerce platform for buying and selling directly on Facebook, integrating with InPost services to expand market reach.► Innovative Return Solutions: Created a solution for easy and fast returns of online orders using InPost Parcel Lockers, improving customer satisfaction and streamlining the return process.► Version Control System Transition: Introduced GIT as the version control system, transitioning from Mercurial alongside implementing GitLab, which improved code collaboration and development efficiency.📈 𝐊𝐞𝐲 𝐀𝐜𝐡𝐢𝐞𝐯𝐞𝐦𝐞𝐧𝐭𝐬► Improved Code Collaboration: Successfully transitioned the team to GIT and GitLab, enhancing version control and making collaborative work more seamless and efficient.► Enhanced Customer Experience: Developed solutions that significantly improved customer interactions with InPost services, particularly in e-commerce and logistics.❤️ 𝐖𝐡𝐚𝐭 𝐈 𝐋𝐨𝐯𝐞𝐝At InPost, I appreciated working with an innovative product and the real opportunity to influence the development of complementary applications. The dynamic environment allowed me to implement changes and improvements that made a tangible impact on both the product and customer experience.

Karlsruhe, Badenia-Wirtembergia

Worked as an apprentice on the shopping cart mechanism of an e-commerce platform, where I gained hands-on experience in web development and learned to apply theoretical knowledge to practical solutions within the ERASMUS+ program.

Elbląg, Woj. Warmińsko-Mazurskie, Polska

Started my career as a Junior Developer at swistak.pl, where I honed my programming skills and contributed to various projects, laying the foundation for my future growth in web development.