Marcin – React, Next.js, Node.js

Platforms to provide global leaders in retail with the confidence to innovate and change, helping them win with shoppers.

• refactored legacy code, improving code maintainability and reducing technical debt
• developed and optimized psa file (JDA) export/import functionalities, enhancing data integration and processing efficiency
• created and conducted numerous trials to assist retailers in making informed decision, supporting data-driven strategies
• evolved the product to support more complex trial executions
• introduced the 2.5 shelves feature, adding depth and stacked product visuals to shelf images, enhancing product presentation
• introduced Linear ticketing system, streamlining project workflows and enhancing team collaboration

Withpower.com is a platform helping people discover promising clinical trials and get in touch with the researchers directly.

• created front-end components
• refactored code debugging
• fixed bugs

Building an intelligent code discovery platform for software developers including working on a chrome extension.

• worked on a chrome extension in svelte

Free-to-list property portal that uses innovation and technology to provide better services to both agents and consumers.

• Led a small frontend team
• Developed the web page and web applications using React/Next
• Planned and executed legacy code removal and refactoring, improving SEO

AxiomHealth is an AI-based system that helps to make decisions in the healthcare industry.

• Led a small frontend team
• Made decisions on the frontend architecture
• Collaborated with backend on the API creation
• Implemented the web app that presents large datasets and predictions in a user-friendly way.

Decent.com is a health insurance company that wanted to provide affordable health insurance for everyone in the US.

• Was responsible for developing a web application and company website in React and Gatsby
• Was in charge of ensuring the implementation of best practices
• Cooperated with backend team in creating API interfaces
• Worked on client web panel and company website migration from Wix to Gatsby

Heartgrenade is a Software House.

• Developed web applications in React/Next
• Created and optimized Next based app
• Built innovative mobile applications using React Native

Rais.io is a solution that helps brands use their customer data to increase acquisition and retention through machine and human intelligence. Marcin was involved in migrating the app from PHP to Python and implementing new features in Python/Javascript.

• Worked on integrations with webshops API: Magento, Woocommerce, BrightPearl, Shopify
• Added new functionalities and improved UI - PHP, YII, Django, jQuery, React

Apart from creating games Bushido Games was also involved in creating cryptocurrency mines and creating software that supports them.

• Developed web applications using React
• Created and designed mobile applications using React Native.