Yurii Kycha Kolot

Spiralyze, LLC | Remote

Directed front-end team and handled cloud infrastructure for internal tools, combining development leadership with hands-on AWS provisioning and automation. Worked on development process improvement and automation.

• Developed a command-line interface (CLI) tool that streamlines A/B experiment development by enabling the use of separate files for HTML, SCSS, and JavaScript. This tool further enhances efficiency by allowing the installation of any npm package directly within the experiment environment, significantly reducing development time by 15-25%.
• Created reusable A/B experiment templates for popular testing patterns, further accelerating development timelines for common experiment scenarios. Reducing development time by 1-2 hours to 5-6 hours.
• Working on QA automation initiatives to improve the quality and efficiency of A/B testing processes.
• Manage a development team of 8, providing guidance, motivation, and mentorship to achieve project goals.
• Collaborate effectively with client developers to implement custom tracking solutions for A/B experiment results, ensuring accurate data collection and analysis.
• Oversee the management and configuration of cloud servers for internal application and tool hosting, ensuring scalability, security, and performance.
• Configure and maintain cloud server environments for website hosting, catering to the specific needs of various web applications.

Spiralyze, LLC | Remote

Directed a small front-end team and handled cloud infrastructure for internal tools, combining development leadership with hands-on AWS provisioning and automation.

• Process Improvement and Optimization
• Authored comprehensive documentation for developers and QA teams, including checklists, to streamline A/B testing workflows.
• Successfully implemented a "pixel perfect" plugin into the development process, resulting in a significant 60% reduction in visual bugs reported by the QA team.
• Championed A/B test code and asset optimization initiatives, leading to faster experiment loading times and minimized flicker issues.
• Provided leadership and direction to a team of 3 A/B test developers.
• Mentored and upskilled team members through conducting masterclasses to enhance their A/B testing knowledge and expertise.

UPWORK(Freelance) | Remote

• Developed high-quality landing pages and websites in ReactJS to meet diverse client goals, resulting in improved engagement and repeat business
• Converted static desktop designs into responsive layouts to address usability across devices, ensuring seamless experiences on all screen sizes
• Implemented cross-browser compatibility fixes to resolve rendering inconsistencies, delivering consistent UX across major browsers
• Optimized site assets and code to improve load times, boosting performance and user satisfaction
• Integrated external APIs to expand site functionality, enhancing interactivity and user retention
• Built a custom GatsbyJS plugin for Cloudinary to streamline image delivery, improving asset management and load performance
• Conducted manual QA testing to catch critical bugs pre-launch, ensuring smooth deployments and reducing client revisions
• Collaborated directly with clients and designers to align on UX/UI goals, consistently meeting project deadlines and expectations