Vitalii – JavaScript, React Native, Typescript

Orange Flex is a Mobile Plan in a Mobile Application that combines the convenience of a subscription, the flexibility of pre-paid offers, and a completely new way of managing the account through a special, extremely simple, and transparent application to which the user connects their payment card.

• Worked on the app performance bottlenecks and UX/UI, which caused an increase in the work and feel of usage to 40% of the app (code optimizations, re-renders, app bundling, architecture, etc.) and growth of conversion;
• Implemented theming for the app;
• Helped drive the team’s React Native implementation and programming well-being by staying up-to-date regarding industry standards and direction, mentoring mid/jr team members;
• Involved in development iterations planning;
• Followed agile software development process and attended scrum meetings for incremental product development;
• Evaluated and researched the latest device technology, coding patterns, software frameworks, and features and integrated them into the app;
• Was responsible for developing and maintaining the web part of the application.

Actio is the live expert platform that gives the user access to experts in almost anything, like career, relationship, finance, or legal advice.

• Implemented performant feed list;
• Implemented settings screen;
• Implemented complex calendar component with native components and date.js library;
• Refactored existing UI library to improve scalability and reusability of components;

Sunbasket is a San Francisco-based subscription meal delivery service that ships members fresh organic and sustainable ingredients and recipes every week, allowing them to cook their own meals. It is part of the meal kit industry.

• Was responsible for features implementation and performance issues analysis;
• Debugged and improved the performance issues of the delivery list;
• Implemented scalable pixel-perfect UI components;
• Refactored existing UI components library;
• Dealt with the challenge of integrating into the development process as quickly as possible and boost the process of app delivery to accomplish application release before the deadline;

A diet catering app that allows the user to manage their box diet, choose the menu, and change dates and delivery addresses.

• Was responsible for app delivery, architecture, code quality, performance, tests, and debugging;
• Mentored the team (code review, meetings, sprints planning, tasks delegation);
• Integrated the best practices of the "React" ecosystem (code writing style, linting, code formatting, code review);
• Maintained dev-friendly processes like Continuous Integration and Code Review;