Full Stack Web Developer

Intellias

1. Optimized web applications by migrating from MySQL to MongoDB, resulting in a 25% improvement in application speed and a 15% reduction in server costs.
2. Developed and implemented a responsive web application using Angular, resulting in a 20% increase in user engagement and a 15% decrease in bounce rates. Leveraged Firebase for real-time data synchronization, RxJS for seamless data streaming and D3.js for data visualization, delivering a smooth and interactive user experience.
3. Designed and implemented scalable microservices architecture using .NET Core and Docker. Utilized Message Queue implementations like RabbitMQ to enable asynchronous processing and decoupling of application components.
4. Created a web application for a financial company. I was the lead developer for a project with a Python back-end and JavaScript front-end that was deployed to AWS. The application allowed users to buy into investment funds.
5. Developed an online Excel-like website using a custom PHP MVC framework where you could create multiple sheets, and in each, you could create N columns/rows, use formulas from other sheets, and generate reports.
6. Developed a robust React dashboard system to visualize stock trading data using Plotly.js. Wrote and managed data endpoints in Node.js utilizing GraphQL.
7. Mobile App Development using React Native and Flutter.

Full Stack Developer

Eleks

1. Implemented high-fidelity mockups and migrated the old codebase to a newer Angular version.
2. Developed a booking application using Vue.js, Nuxt.js and Node.js to let users book a service online and get real-time updates on their progress, increasing the customer acquisition and retention rate by 55% in three months. Created unit and e2e tests using Vue Test Utilities framework with Cypress.
3. Developed an all-in-one product management system using React.js and Node.js.That reduced the overall product delegation time in an organization by 40%.
4. Developed high-performance backend modules and APIs using C# and .NET Framework, enabling smooth communication and data exchange between various system components. Implemented caching mechanisms and efficient data retrieval strategies for optimal performance.
5. Developed speed improvements for calculations on a distributed network of Node.js instances, which communicate with each other and rely on each other’s data.
6. Contributed to the development of multiple sites built with Laravel and Vue.js.
7. Worked closely with the product owner and product manager on analyzing competitors, business needs, and development vectors from the technical side.

Front End Developer

Ciklum

1. Translated the design team’s UX wireframes and mockups into responsive, interactive features using HTML, CSS and JavaScript. Used: UI Design, UX Design, Adobe XD, Figma, Responsive Web Design, HTML, CSS, JavaScript, Bootstrap
2. Developed new charts and features and improved architecture and performance. Created unit and e2e tests. Used: React.js, D3.js, Cypress.
3. Utilized and implemented 5+ attractive, responsive, and user-friendly websites using React.js. Used Material UI and Antd Design Themes, which provide a set of customizable, and reusable React components for building UI.
4. Implemented responsive designs and optimized mobile user interfaces using frameworks like React Native and Ionic. Achieved a mobile-first approach, leading to a 30% increase in mobile traffic and improved user engagement on mobile devices.
5. Developed a customized chat feature using WebSockets for an application, providing users with a seamless and efficient communication channel.
6. Collaborated with backend engineers and developed and maintained 40+ RESTful APIs using Express.js.
7. Had learned a lot from senior engineers about backend engineering while developing large-scale projects in Python and Django.

National Technical University of Ukraine

Software Engineering