Tomek User

Developed and maintained customer-facing features for a BaaS system for a major European bank, integrating backend services and supporting existing banking flows. Built merchant and seller onboarding journeys for a platform integrated with the InPost marketplace ecosystem.

Supported a CMS migration from Vue to React for a major European news platform, aligning frontend behavior with legacy infrastructure.

Worked on internal upskilling initiatives focused on Oracle Cloud and AI infrastructure while preparing to contribute to large-scale enterprise projects. Mentored junior developers.

Implemented an in-house software release management application and helped establish the frontend stack and coding standards within a small development team. Mentored junior developers.

Delivered scheduling features and the admin flow for a retirement options information platform.

Collaborated on a digital marketplace for craft beer producers and distributors. Developed frontend features for an in-house code review tool that was well received and widely adopted throughout the company.

Contributed to a market feasibility calculator, addressing state management challenges and improving overall application performance. Contributed to a data-driven platform that improved underwriting efficiency for insurance providers, including work on legacy frontend code. Built the frontend of a white-labeled marketplace platform for soon-to-be homeowners, delivered as a Progressive Web App. Led