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 portal.• Designed and coded a TypeScript React app using the AntDesign framework and styled-components.• Built and… Show more • 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 portal.• Designed and coded a TypeScript React app using the AntDesign framework and styled-components.• 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. • Set up Gitlab CI/CD pipelines in a parent-child configuration for building and deploying Docker containers in a monorepo setup.• Participated in daily code reviews. Planned and estimated project milestones using the Scrum methodology in a self-organizing team that owned and managed the whole deployment environment (Rancher + kubernetes). Show less

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 • 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 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.