Tudor Uzun

Senior Frontend Engineer

CourtReserve • Fulltime

Aug 2024 - Present • 2 yrs 1 mo

• Owned end-to-end delivery of core SaaS modules: event registration, payment profiles, memberships, bookings, family management, member groups and more. • Reduced frontend bugs by ~35% by consolidating duplicated shared state and business logic into Zustand stores across multiple modules, improving maintainability and app-wide consistency. • Architected a complex Event Registration workflow supporting recurring events, role-based visibility and time-based capacity rules across advanced booking scenarios. • Contributed to a monorepo-based frontend architecture through shared components and utilities, improving consistency, reuse and delivery speed. • Improved onboarding and registration UX by optimizing form validation logic and standardizing reusable Ant Design, Formik and Yup patterns. • Improved accessibility (a11y) and visual consistency across shared UI components used in 5+ product modules. Tech: React, TypeScript, JavaScript, Zustand, Formik, Yup, Ant Design, Monorepo, System Design

Software Engineer (React / Next.js / NestJS)

Eligence • Fulltime

Jun 2022 - Jul 2024 • 2 yrs 1 mo

• Reduced frontend bugs by ~30% by refactoring legacy codebases into TypeScript with Redux Toolkit and Zustand, improving scalability and maintainability. • Developed SaaS dashboards, internal tools and workflows across 5 concurrent products in an Agile environment. • Implemented GraphQL and Apollo Client data flows for HubbleIQ+, optimizing queries, mutations and caching to reduce unnecessary API calls and improve responsiveness. • Co-designed the Next.js frontend architecture for Subscribed.io, built with server-side rendering (SSR) and static site generation (SSG) for SEO. • Created dashboard visualizations with Recharts for HubbleIQ+, improving the readability and usability of complex data. • Delivered complex multi-step and conditional form workflows with Formik and Yup, improving usability, validation quality and data accuracy. • Contributed to monorepo initiatives, delivering shared UI patterns and supporting REST APIs, React Query, GraphQL, Mapbox and PWA functionality. • Built APIs with NestJS and PostgreSQL under the mentorship of the backend Team Lead. Tech: React, Next.js, TypeScript, Redux Toolkit, Zustand, TanStack Query, Formik, Yup, Zod, GraphQL, Apollo Client, Chakra UI, Ant Design, Recharts, Vite, Monorepo, PWA, NestJS, PostgreSQL, System Design

Frontend Developer

JAKALA • Fulltime

Feb 2021 - Jun 2022 • 1 yr 4 mos

• Reduced frontend delivery time by ~20% through improved component reuse and a streamlined design-to-engineering handoff process. • Built a design system of 30+ reusable Tailwind CSS components with 45+ documented Storybook variants, improving consistency and collaboration across teams. • Delivered pixel-perfect, responsive interfaces from Figma designs for Drupal- and React-based websites. Tech: React, React Router, Tailwind CSS, Storybook, Figma, Drupal, Twig, JavaScript, jQuery