Oleksandr – Flutter, Dart, SQLite

It is Lviv-based community of Flutter enthusiasts

• Built successful local community of Flutter and Dart enthusiasts from scratch
• Conducted dozens of tech talks

It is the app that helps identify products and their recyclability score. Get info about materials and where to recycle them.

• Designed architecture of the whole product
• Implemented mobile app from scratch
• Designed flow for user edit suggestions
• Migrated project to Dart sound null safety
• Kept codebase and dependencies up to date
• Mentored junior developers

It is a human-centered performance management platform that creates effective managers, highly engaged employees, and top-performing organizations.

• Designed front-end architecture of the features worked on
• Built front-end components library
• Migrated the whole feature from Redux to React Query
• Refactored codebase
• Mentored junior developers

Digital solutions for the HoReCa industry, including orders, logistics, bookings, etc

• Designed data layer services for connection web and mobile apps with salesforce
• Designed event-driven architecture for data synchronization between internal services and Salesforce
• Designed Marketing Cloud Custom Activity to provide a way to use internal notification manager service in MC Journey Builder
• Customized and managed CI/CD and Heroku infrastructure
• Assisted and mentored other engineers in their professional development
• Led development
• Mentored other developers

The project is about Big Data and Artificial Intelligence. The application aims to generate a set of trained models for regulatory purposes and to feed chosen models into a downstream system for real-time decisions.

• ​Built frontend charts library using d3.js
• Implemented reports management
• Assisted and mentored other engineers in their professional development
• Led data visualization development
• Mentored other developers

The platform aims to protect organizations from cyber-attack by eliminating the threat of malware, isolating and executing all Web content in the cloud, and enabling users to interact with websites, links, and documents online safely.

• created front-end and back-end architecture;
• built front-end components library;
• implemented data query builder;
• implemented report visualisation using d3.js;
• implemented PDF report generation;

Service designed to help businesses reach more customers by improving their online brand. Using this service, users can deliver clear insight and simple guidance about their businesses' online and social media reputations. Also, it performs data analysis to evaluate the online presence, user's website, search results, reviews and social media

• created front-end and back-end architecture;
• implemented advanced online presence analysis;
• redesigned the existing front-end;
• built front-end components library;
• wrote unit, integration and e2e tests;
• integrated with different providers;

The goal of the project is to rebuild an existing betting platform that provides access to all content and products online to a new one that will offer innovative multi-channel products and services for their customers.

• created front-end and back-end architecture;
• built front-end components library;
• wrote unit, integration and e2e tests;
• integrated with custom hardware;