Sep 2021 – Jul 2024 · 2 yrs 10 mos · Greater London, England, United Kingdom · Remote

• Led the end-to-end development of the VideoPlatform app, replacing an expensive third-party software solution that resulted in annual cost reductions of $200k and reducing dependency on external vendors.
• Achieved first-year development and maintenance cost savings of US$ 80,000 by accelerating development process and state management using RTK-Query.
• Increased app development speed on 30% by replacing existing components with AntD and efficient form-handling using React-hook-form.
• Validated app functionality and a positive user experience of the MVP version with 92% unit test coverage
• Met highest quality standards by resolving throughput issues during app scale-up, identifying bottlenecks, and auditing performance using New Relic, leveraging Mixpanel for advanced analytics to optimize user behavior.
• Built reusable and easy-to-use front-end components that increased the speed of developing a new internal app by 25%.

Apr 2017 – Aug 2021 · 4 yrs 4 mos · Fort Collins, Colorado, United States · Remote

• Collaborated cross-functionally to seamlessly integrate the CRM system, optimizing user experience, and achieving a 50% reduction in property management time through integrating features such as: property management, online rent payments, property advertising and handling of rental applications.
• Executed automated tests using Cypress framework, enhancing app stability, and reducing QA time by 40%.
• Implemented an e-signature functionality for paperless document processing using HelloSign and React, resulting in streamlined workflows for over 1 million users and reducing document turnaround time by 60%.
• Established a comprehensive documentation process using Confluence to ensure accurate and up-to-date information for all application features. This resulted in a 15% increase in cross-functional team efficiency and facilitated a seamless handoff between the development and support teams.
• Conducted comprehensive code reviews utilizing GitHub, resulting in a 20% decrease in bug reports and improved code quality and consistency across the team.

May 2016 – Mar 2017 · 10 mos · Chicago, Illinois, United States · Remote

• Spearheaded the development of a highly efficient CRM solution leveraging ReactJS for INAP, enabling seamless tracking and management of servers, and achieving a 60% reduction in time spent on manual processes and workflows.
• Developed a user-friendly ReactJS dashboard that provided real-time server information, performance metrics, and key insights; integrated client-side API to fetch and update data, resulting in a 20% reduction in server management time.
• Achieved average application first load time of <1s and data exchange between the client-side and server-side, leveraging Redux and RESTful APIs in collaboration with frontend and backend teams, UI/UX design, and QA teams.
• Streamlined form handling and validation processes utilizing Formik, resulting in a 10% reduction in data entry errors.

Jan 2015 – May 2016 · 1 yr 4 mos · Kyiv, Ukraine

• Designed an internal CRM system to enhance management for customers and providers and centralize project management.
• Integrated in-app chat feature for seamless customer-provider communication using React and REST API.
• Created an automated project assignment to streamline routine activities using React, Node.js
• Reduced manual data entry time by 5 hours/week (per team member) for the customer support team, by automating routing processes using React.

Oct 2014 – Dec 2014 · 2 mos · Kyiv, Ukraine

• Support, developing and implementing new features of web-based project-
• management application using JavaScript on client side.
• Designing and building test automation for old and new features, maintaining old test automation.

Jul 2013 – Oct 2014 · 1 yr 3 mos · Vinnytsya, Ukraine

• Engineered JavaScript solutions utilizing Backbone and jQuery, driving a 20% enhancement in web app performance.
• Adaptive make-up for mobile devices and tablets, creating CSS3 animations.
• Accomplished Mobile Casino project in particular GoingNuts & Loot’enKhamun.