Дмитро

DMYTRO SENKO
Middle React developer
Kyiv, Ukraine(GMT+2)
[open contact info](look above in the "contact info" section) • [open contact info](look above in the "contact info" section)

SUMMARY
Developed hyper flexible web-to-print react application for print items like cards, photobooks, and
apparel with more than $8 million annual revenue and clients all over the world.
Deep and extensive knowledge of css development, over 500 landing pages and multi page websites
launched in production
Over 10 years working as leading department manager in several top tier ukrainian banks, succesfully
integrated scrum processes into banking management

TECHNOLOGIES

React, react-router Styled components, scss modules
JavaScript, TypeScript, Ant design, Material UI
Redux, Redux-Toolkit, RESTful APIs
Redux Saga, React Context ESLint, Prettier
Formik, React Final Form NPM, PNPM
React testing library, jest, Cypress Vite, Webpack

WORK EXPERIENCE
Frontend Developer, NDA July 2022 - Present
Currently working at a fast-growing web-to-print company delivering a hyper-flexible product
customization platform built entirely with React. With over $8M in annual revenue, the platform enables
users to design and personalize print products like cards, photobooks, and apparel through an intuitive,
interactive interface.

Serve as a Frontend Engineer, owning major features and architecture decisions across complex React
applications with deep focus on performance and scalability.

Engineered a robust React-based WYSIWYG editor using a canvas-driven layout system, enabling
real-time layout, styling, and element manipulation across diverse print formats.
Developed and published a reusable React component library using Vite, TypeScript, and Storybook,
powering lightweight customization flows adopted across multiple business units.
Redesigned core component structure with hooks, context, Redux Toolkit, and memoization, reducing
re-renders by 40% and accelerating feature delivery through improved modularity.
Led multiple feature initiatives end-to-end with React Query, Formik, and testing via Jest and Testing
Library, helping reduce time-to-market and improve user satisfaction scores.

Frontend developer, BullTraffic May 2021 - July 2022

Worked at a digital agency delivering marketing websites and landing pages for clients across various
industries. With approximately $1M in annual revenue, the company specialized in building both single-page
promos and fully structured multi-page websites.
Served as a Frontend Developer with a focus on semantic HTML, modern CSS, and responsive layout
implementation.

Developed pixel-perfect landing pages based on Figma and Sketch designs, ensuring consistent
rendering across modern browsers and mobile devices.
Built reusable layout structures and components using BEM methodology and utility-first CSS practices.
Collaborated closely with designers and backend developers to integrate content and refine UX across
desktop and mobile.
Maintained clean, accessible markup and followed performance best practices to ensure fast load
times and SEO readiness.

EDUCATION
Master Degree, Finance 2003 - 2005
Sumy State University (SumDU)

Bachelor Degree, Industrial Electronics 1991 - 1996
Sumy State University (SumDU)