Ruslan Labza

Provided 1000+ code improvement recommendations by refining AI-generated TypeScript, JavaScript, Angular, and React solutions, increasing response accuracy by 15%. Built a React-based synthetic data generation tool to rapidly create thousands of configurable physics scenario images, replacing manual datasets and cutting per-sample creation time to seconds for LLM engineering teams. Presented a new task workflow after a team of 30 engineers selected me, earning positive feedback from 90% of colleagues and drove adoption of the workflow.

Directed frontend development of a data-processing platform using React, TanStack Query, and Zustand, enabling onboarding of 100+ users and scalable data workflows. Collaborated with cross-functional teams to gather requirements, reducing project delays by 50%. Designed REST and GraphQL integrations between frontend and backend services with webhook-based async processing and idempotency safeguards, reducing duplicate processing errors by 25%. Built and launched an AI chat assistant for a web application using tools like Cursor and Figma MCP, enabling contextual guidance and table-aware interactions with structured data, accelerating user workflows by 30% and boosting developer productivity by 20%. Guided the development of an internal NX-based Angular 17 framework, enabling rapid creation of 3 web applications and accelerating feature delivery by 30%.

Crafted responsive UI components using Angular 12+, ensuring seamless functionality across major browsers. Over 20 million active users now use these components daily in client-facing applications. Guided a team in launching a comprehensive set of standardised Web Components (Stencil), now deployed across 15 pages and improving user experience for 95% of surveyed users. Applied accessibility improvements based on user research, achieving WCAG 2.1 AA compliance and increasing user satisfaction by 5%. Redesigned animations and integrated lazy loading for Angular components; this initiative resulted in a 200% improvement in page performance, directly contributing to a noticeable drop in user drop-off rates. Executed advanced React performance optimisations that minimised unnecessary re-renders across 10+ devices and browsers, increasing revenue by 3% within one quarter. Built and operated high-throughput Node.js/NestJS APIs for 100k+ daily users, implementing OAuth2 auth, tenant-aware acc