Евгений

Eugene Chumachenko
Senior Frontend Developer +38098866098
at Svitla Systems [open contact info](look above in the "contact info" section)
Ukraine

SUMMARY

I’m a frontend developer with 8+ years of experience building complex, high-performance web
applications. I’m seeking a forward-thinking team where I can apply my expertise, contribute to
impactful projects, and grow professionally. With a strong background in working with large
datasets, technical leadership, and ownership of outcomes, I consistently deliver high-quality
results. I have upper-intermediate English, value clear communication, and bring a proactive,
solution-oriented mindset to every team.

PROFESSIONAL SKILLS

●​ Technologies: JavaScript, HTML5, CSS3, React, Web Components, Next.js, React
router framework, TypeScript, Node.js, Bun, Express, jQuery, REST API, Graph QL,
gRPC, Apollo Client, Zustand, Recoil, Redux, Effector, Tanstack/React query, RTK
query, SWR, MobX, Redux-toolkit, Jotai, Websockets/Socket.io, SSE, Storybook, Elm
●​ Tools: GitHub, GitLab, BitBucket, Mercurial, SVN, Redmine, Jira, Confluence, Trello,
Vite, Elasticsearch, Postman
●​ Frontend libraries: React hook forms, Axios, Formik, React final form, Redux form,
React Router, Tanstack router, i18n, Zod, Yup, Redux saga, Redux Thunk, React select,
Tanstack/react table, etc
●​ Build Tools: Github Actions, Rollup, Parcel, Gulp, Grunt, Webpack, Turbopack, Docker,
Husky, Nginx, Apache, Npm, Pnpm, Yarn, Bun
●​ Testing Tools: Mocha, Chai, Jest, Enzyme, React Testing Library, Cypress, Playwright,
Puppeteer, Vitest
●​ Markup and styling: Pug, Handlebars, SASS, LESS, STYLUS, CSS modules, Styled
components, JSX styling, JSS, TailwindCSS, Bootstrap, Foundation, MaterialUI,
SemanticUI, Ant Design, Skeleton, Chakra-ui, Hero UI, Shadcn, Radix-ui, D3, Tanstack
Router, React router, Recharts, High Charts, Charts.js, SyncFusion
●​ Payment systems: Stripe, Fondy, Ingenico, PayPal, SWIFT, etc
●​ Design tools: Photoshop, InDesign, Figma, Sketch, Zeppelin, Avocode
●​ Databases: MongoDB, MySQL, Redis, PostgreSQL
●​ Cloud: Versel, Netlify, AWS
●​ Quality tools: Prettier, ESLint, TSLint, StyleLint, lint staged
●​ Methodologies: Agile, Scrum, Kanban frameworks, Extreme Programming.

LANGUAGES

English — Upper-Intermediate
Ukrainian — Native
Russian — Native

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EXPERIENCE

Svitla Systems, Ukraine / USA
Senior Frontend Developer | 2019 - Present

Projects: Video streaming platform, UI component library (npm package), e-commerce
migration, micro frontends for
tourism, used cars marketplace, marketing analytics SaaS, and inventory management
system.

Responsibilities:

- Develop scalable, high-performance frontend architectures using React and Next.js
- Lead migration projects from legacy codebases (Vue, PHP) to modern React/TypeScript
stacks
- Collaborate closely with backend engineers to optimize API integration and data handling
- Integrate third-party services (Stripe, Ingenico, PayPal, Leaflet, analytics, WebRTC)
- Develop and maintain reusable component libraries with Storybook and D3.js visualizations
- Implement theming, light/dark modes, and customization via tokens
- Drive accessibility (WCAG), responsiveness, and performance optimizations
- Set up CI/CD pipelines (GitHub Actions, Docker, CircleCI) and manage releases
- Write unit, integration, and e2e tests (Jest, React Testing Library, Cypress, Playwright)
- Collaborate with design teams (Figma) to translate designs into consistent UI components

Technologies: React, Next.js, TypeScript, Zustand, Redux Toolkit, Recoil, GraphQL (Apollo),
WebSockets, WebRTC, MUI, D3.js, Storybook, Styled Components, Tailwind CSS, Ant Design,
Stripe, PayPal, Docker, Webpack, Vite, Jest, React Testing Library, Cypress, Playwright,
Figma, i18next, ESLint, Prettier

Nerd People, Ukraine / UK
Frontend Developer / Team Lead | 2018 - 2019

Project: Migration of a legacy PHP admin panel to React with GraphQL.

Responsibilities:

- Led frontend development team and defined project architecture and coding standards
- Migrated legacy PHP application to React with TypeScript and GraphQL integration
- Implemented modular CSS using CSS Modules for maintainable styling
- Collaborated with backend engineers and designers to align on features and workflows
- Conducted code reviews, mentored developers, and resolved technical blockers
- Managed CI/CD pipelines and deployment processes with Docker
- Ensured accessibility compliance and frontend performance optimization

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Technologies: ESLint, Prettier, React, TypeScript, Redux Toolkit, GraphQL (Apollo Client),
CSS Modules, Jest, Enzyme, Webpack, Docker, Figma,

Priocom, Ukraine
Frontend Developer / Team Lead | 2018
Project: Development of a custom CRM system from scratch.

Responsibilities:
- Led frontend development team and defined project architecture and coding standards
- Defined the frontend architecture for a scalable custom CRM solution
- Built advanced forms with validation logic and complex workflows
- Implemented REST API integrations with business data and pipelines
- Integrated role-based access control and activity logging- Set up CI/CD pipelines (Jenkins,
Docker) and code quality tools
- Organized and participated in sprint planning and technical delivery
- Conducted code reviews and mentored frontend team members

Technologies: React, TypeScript, Redux, Redux Thunk, REST API, Redux Form, CSS
Modules, SASS, Jest, React Testing Library, Webpack, Docker, Jenkins, NGINX, ESLint,
Prettier

One Planet Ops, Ukraine / USA
Frontend Developer | 2017 - 2018

Projects: C2C marketplace for services, SEO-optimized real estate blog.

Responsibilities:

- Built reusable UI components for service listings, search, and filtering features
- Integrated payment systems (Stripe) and implemented booking workflows
- Implemented messaging, notification systems, and reviews with moderation features
- Collaborated with the backend team to define and consume REST APIs
- Optimized for mobile responsiveness, accessibility, and SEO best practices
- Wrote unit and integration tests with Jest and React Testing Library

Technologies: React, Redux, REST API, React Router, Axios, SASS, Stripe API, Webpack,
ESLint, Prettier, i18next, Sentry

Civenty, Ukraine
Frontend Developer | 2016 - 2017
Projects: Accountant portal (user cabinet), multi-site platform with shared codebase.
Responsibilities:

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- Developed responsive UI for document upload, reports, and invoice tracking
- Collaborated with backend engineers for REST API integration
- Implemented adaptable layouts for multi-site platform support
- Optimized assets and build processes for performance
- Refactored legacy jQuery code to improve maintainability

Technologies:
jQuery, HTML5, Sass (SCSS), CSS3, Gulp, REST API, NGINX, Git, Photoshop, Avocode

EDUCATION

2005-2011 Master's Degree | Faculty of Physics and Technology | Oles Honchar
Dnipropetrovsk National University | Dnipro, Ukraine

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