Roman Razumieienko

• Built modular UI system for AI agents, enabling advanced configuration and workflows • Developed beginner-friendly client portal with real-time data and intuitive stats • Delivered key feature for rapid agent creation with white-label support, driving 150+ qualified leads • Created embeddable widget for agent creation on external sites • Built scalable white-label portal with partner branding • Collaborated with clients and shaped product roadmap • Contributed to strategic and technical planning

• Built a WEB3 app ecosystem from scratch using monorepo architecture for efficient code sharing • Created a custom UI library to boost dev productivity and enable scalable, reusable components • Drove Agile adoption, contributing to sprint planning, stand-ups, and retrospectives • Collaborated with back-end team on API design to align front-end needs with scalable solutions

• Offered consulting and development services for a wide range of clients, delivering high-quality, scalable solutions. • Collaborated remotely within a fully agile teams, contributing to iterative development cycles and rapid deployment. • Mentored team members and provided leadership, implementing the most effective workflows to maximize productivity and project success. • Actively participated in key decision-making processes to guide project direction and strategic initiatives.

• Designed and developed responsive, animated websites with focus on performance and UX • Collaborated in a remote agile team to deliver high-quality features on time • Contributed to strategic decisions on architecture and technical direction • Optimized front-end via best practices like refactoring, lazy loading, and responsive design

• Built scalable, high-performance websites and apps • Translated business needs into technical solutions • Led small projects from concept to deployment • Mentored developers and reviewed code • Delivered quality work across multiple assignments • Drove front-end architecture and accessibility • Acted as SME for responsive web design • Participated in agile rituals and process improvements • Interviewed and evaluated new developers

• Developed admin panel for dbtv.no and community module for pressfire.no from scratch, ensuring scalable and user-friendly solutions. • Served as Scrum Master, facilitating agile processes and promoting team collaboration. • Collaborated with clients to define objectives and implement new features aligned with business goals. • Managed timelines, addressed risks, and ensured on-time, high-quality project delivery. • Applied best practices in development to ensure code quality and scalability.

• Supported high-traffic websites, including ticketmaster.com and livenation.com • Collaborated with back-end developers utilizing Perl and related tools • Improved usability and accessibility across core user flows • Led performance and SEO optimizations, implemented progressive enhancement, and modernized legacy codebases

• Developed and QA-tested the Mozilla Firefox browser extension RDSbar, ensuring high performance, functionality, and adherence to Mozilla's guidelines. • Regularly collaborated with Mozilla moderators to address feedback, ensure compliance, and streamline the extension approval process. • Worked closely with SEO specialists and designers to enhance product functionality, improving user experience and aligning with search optimization strategies.

• Designed and developed websites for Mechniсkov University departments. • Supported main University website onu.edu.ua • SEO optimization • Developed graphic content for the university departments • Performed back-end and front-end roles