Bohdan – Next.js, Typescript, React

Meditation and mental wellness app designed to help you find peace, focus, and emotional balance. Meditations adapt to your mood, time of day, or location, and the built-in AI Therapy Chat offers real-time, personalized mental support whenever you need it

• Recovered all infrastructure after an incident with a former developer;
• Rebuilt AI Chat client and server logic from scratch;
• Integrated with 3rd party services for errors and bug tracking.

Provide a debt pay-off application that helps users manage debt intuitively, plan personal budgeting, and analyze bank account efficiency.

• Led the development and enhancement of key application modules, including the complete rebuild of a complex budgeting functionality and the creation of a payment planner that accelerates debt repayment;
• Designed and implemented new features in the app to meet business and user needs, such as financial tracking tools, debt management systems, and customized budget planning utilities;
• Collaborated with cross-functional teams, including back-end developers and designers, to deliver cohesive, user-centered financial solution;
• Integrated external services and APIs to enrich the app’s functionality, including linking bank accounts via Plaid SDK and improving financial planning by integrating Equifax data for faster debt repayment strategies;
• Maintained and improved application performance, including the implementation of bug tracking and resolution systems through Sentry, ensuring a smoother user experience and higher app reliability.

The next generation NFT ecosystem launched on the Pulse Chain network which includes Marketplace, Launchpad, and Staking features. The platform is intended to provide an efficient alternative to the congested Ethereum network, which has been heavily strained by the popular OpenSea marketplace

• Successfully migrated a legacy application to React and Next.js, consolidated and modularized components and services, resulting in a significant reduction in code complexity and a 30% increase in performance;
• Developed application UI, ensuring consistency with the design, and implemented user-friendly data visualizations with ApexCharts.js
• Integrated backend API into the frontend, ensuring efficient management of the async state;
• Collaborated with the team to integrate Ethers.js and Smart Contracts into the frontend to support application features;
• Increased the E2E test coverage of the application and resolved over 20 issues, boosting product reliability and performance.

The product makes health assessments and provides expert advice for mental health, stress management, and other aspects of well-being. The application is a personal assistant that helps build a nutrition plan and obtain healthy lifestyle habits.

• Built complex business logic and translated intricate designs into the application to enhance visual appeal and UX;
• Developed AI-powered chatbot features, offering interactive assistance and personalized advice for users in a dialog manner;
• Integrated fitness and activity data through HealthKit, GoogleFit, FitBit, and Withings services, implemented synchronization with the server.

Workout application for athletes leveraging velocity-based training technique. Integration with hardware motion sensors allows for capturing athletes' performance and measuring training results.

• Implemented application UI for training performance metrics;
• Integrated APIs for training and report modules;
• Refactored project code, integrated linters and improved static type checks validity.

A platform for international logistics management. One of the key modules is Insights. Insights provide data analysis for package delivery, carrier services performance, and warehouse metrics.

• Extended reports functionality in the business dashboard;
• Designed and implemented financial charts;
• Built an API endpoint for package delivery tracking analysis.

DSM is a set of tools for managing and scheduling Twitter and Instagram direct messages. It consists of a web app and a Chrome extension that help businesses and influencers to optimize their social media presence and automate marketing campaigns.

• Created web application from scratch according to requirements and Figma designs;
• Refactored Chrome Extension and migrated custom framework to React
• Integrated analytics tools;
• Optimized backend performance and reduced the number of database operations;
• Integrated Stripe and implemented payments functionality.