Joanna Szefer Email & Phone Number

Wrocław, Woj. Dolnośląskie, Polska

• Developed a web data dashboard for KPI and problem reports visualisation, which allowed fault coordinators to speed up the problem reporting process.
• Implemented interactive React charts and integrated them with multiple backend services, whichprovided a seamless user experience by consolidating data and features from distributed endpoints into a single cohesive.
• Designed and coded a TypeScript React app using the AntDesign framework and styled-components.
• Built and… Show more
• Built and maintained back-end NodeJS and Express.js services exposing RESTful APIs to query for data stored in MongoDB instances with schema designed for optimized operations.
• Tested the app (UT/component) using Jest and React Testing Library.

Wrocław, Woj. Dolnośląskie, Polska

• Created a web application used for product logs visualisation.
• The service was generating sequence diagrams based on log files provided by a user, which allowed to analyse the data in a comprehensible manner.
• The processed data was saved in a MongoDB database along with a link to share parsing results.
• Tested the app (UT/component) using Jest and React Testing Library

Wrocław, Woj. Dolnośląskie, Polska

• Designed a department management tool, which allowed team assistants to automate employee onboarding and exit processes.
• Implemented a TypeScript React app using MUI framework and Redux-toolkit state management in a mobile-first approach.
• Integrated with a teams’ indexing service and Microsoft Graph API service to fetch and update employee details based on their roles and group memberships.
• Developed a NodeJS service for saving employees data in a MongoDB instance.
• Tested… Show more
• Tested the app with Jest. Generated code coverage reports to ensure a thorough codebase validation with automatic threshold checks. Show less

Wrocław, Woj. Dolnośląskie, Polska

• Built a Magento frontend component of an e-commerce store based on provided design mock-ups.
• The project required a pixelperfect approach to fully reflect the design and to keep UI/UX functionality intact.