Dariusz
From Poland (GMT+2)
6 years of commercial experience
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Dariusz – Node.js, React, PostgreSQL
Dariusz is a skilled full-stack developer with a strong focus on Node.js and React.js. He approaches his work with confidence and a results-oriented mindset, constantly striving for skill development and improvement. With his dedication and expertise, Dariusz is well-equipped to be a valuable asset to your team, contributing to the achievement of your project goals.
Main technologies
Additional skills
Ready to start
ASAPDirect hire
Potentially possibleExperience Highlights
Senior Back-End Developer
Application for managing service locations such as hotels, restaurants, etc. Allows you to onboard employees, store documents, assign tasks, create reports, run courses, and much more.
- Created back-end architecture
- Built front-end components library
- Wrote unit tests
- Made integration and e2e tests
- Integrated with payments providers
Senior Full-Stack Developer
An application that integrates all food delivery channels available on the market. Allows you to operate services such as Uber Eats, Volt, Bolt Food, Takeaway, Glovo from a single tablet. In addition, it allows users to manage restaurant menus, product availability, and order statuses. It also has integration with bill printers.
- Created front-end and back-end architecture
- Debugged and resolved the application issues
- Integrated with food delivery channels providers
- Resolved scale problems
- Handled order queue
- Was responsible for designing complex menu architecture
- Handled menu parsers
- Was in charge of maintaining order status, synchronization and more
Front-End Developer
An application that allows betting on sports events.
- Created front-end architecture
- Redesigned the existing front-end
- Integrated with betting suppliers
- Developed a way to continuously refresh the results
- Made the app compatible with mobile views
- Added all the restrictions required by law (because it's gambling) - such as verifying the age of the player
Front-end Developer
A platform that improves the analysis of geographic data combined with population data in a selected area, allowing better business operations planning. Allows customers to get information about people's behavior in the selected area.
- Created the front-end of the application from scratch
- Planned the structure of the front-end
- Integrated with the back-end
- Developed a way to provide translations
- Developed a way to display maps with overlaid layers
- Built a library of reusable components
- Was responsible for parsing data into a form that is convenient for the front-end
Front-End Developer
A large corporation, a direct competitor of Salesforce. They decided to do a big refactoring of the entire system, which was outdated, and move it to React.
- Built front-end components library
- Wrote unit tests
- Made integration and e2e tests
- Built components to allow flexible use
- Adapted components to work with people with disabilities
Front-End Developer
A platform to improve the functioning of funeral homes.
- Created front-end architecture
- Redesigned the existing front-end
- Debugged and resolved the application issues
- Built front-end components library