Daniil Bondarenko
Frontend Developer
SeniorFrontend Developer
8years in Frontend
7years in tech
6/10Accessibility & Semantics
Overview
Frontend app engineer focused on SPA UX and client-side state who operates at a senior level with a clear strength in editor state management and undo/redo workflows. The strongest proven skill is client-side state design and resilience, demonstrated by the editor store (app/stores/editor.ts) with debounced draft persistence and a comprehensive test suite (app/stores/editor.spec.ts and e2e/responsive.spec.ts). The public code does not show backend, API integrations, measured performance metrics or large-scale distributed system design expertise.
Phone
Timeline
Frontend Engineer
·
Middle
Just Work
·
Full-Time
Developed and evolved a product-grade frontend application using Vue.js and Nuxt with TypeScript, focusing on reusable UI abstractions and refactoring across large code areas. Worked on complex form flows, error-handling states, and reliable REST API integrations. Contributed to automated testing with Vitest and Playwright to prevent regressions and improve stability of data-heavy interfaces.
Vue.js
Nuxt.js
TypeScript
Vuex
Pinia
Rest API
Vitest
Playwright
Git
GitLab CI
Frontend Developer
·
Middle
INNOVA GROUP
·
Full-Time
Built and maintained product frontend applications on Vue.js and Nuxt for authenticated user flows and data-driven interfaces. Developed dashboards and partner-related views with REST API data loading, filtering, pagination, and loading/error UI states. Implemented UI layouts and navigation components and improved user subscription read-paths using state management and automated test tooling where applicable.
Vue.js
Nuxt.js
TypeScript
JavaScript
Vuex
Pinia
Rest API
Axios
Vite
Webpack
Russian Technological University
Bachelor's Degree ·
Информатика и вычислительная техника
Frontend Developer
·
Middle
Devhouse
·
Full-Time
Developed frontend solutions for digital products, collaborating on business logic and improving UI/UX based on customer requirements. Worked on booking functionality and a flexible pricing calculator with additional options for a cinema booking service. Implemented search and content selection flows and integrated Stripe for booking, payment, and refunds, including mentoring support for new frontend developers.
Vue.js
JavaScript
Bootstrap
Stripe
Web Developer (HTML/CSS)
·
Middle
Oneclick
·
Full-Time
Created responsive websites and landing pages of varying complexity. Implemented pages using HTML5, SASS styling, and interactive behavior with jQuery. Used Gulp-based workflows for build automation and development of the page assets.
Sass
JQuery
Technical skills
Languages
3
JavaScript
TypeScript
Node JS
Frontend
20
Sass
Bootstrap
Tailwind CSS
Vue.js
Vuetify
Prettier
Vue Router
Chart.js
Pinia
ESLint
JQuery
Nuxt.js
Babel
Socket.IO
Vite
Vuex
Lighthouse
autoprefixer
Webpack
Next.js
DevOps
4
Git
GitLab CI
Rest API
GitLab
AI/ML
3
ChatGPT
AI Agents
OpenAI Codex
Other
9
MongoDB
Firestore
Playwright
Vitest
Figma
Docker
Postman
PostCSS
CI/CD
Senior Frontend Developer
Confidence: High App Engineer
Frontend app engineer focused on SPA UX and client-side state who operates at a senior level with a clear strength in editor state management and undo/redo workflows. The strongest proven skill is client-side state design and resilience, demonstrated by the editor store (app/stores/editor.ts) with debounced draft persistence and a comprehensive test suite (app/stores/editor.spec.ts and e2e/responsive.spec.ts). The public code does not show backend, API integrations, measured performance metrics or large-scale distributed system design expertise.
UI Component Architecture
5/10
How interface parts are built
Reasoned component boundaries and composition for the note editor and todo list are present, with a reusable store and utilities; evidence of a design tokens system and scoped component styles is present but much UI appears standard SPA patterns rather than a custom component library.
Evidence
notes-app/app/pages/notes/[id].vue - composition of BaseInput, TodoList, ConfirmModal and BaseModal
notes-app/app/stores/editor.ts - centralized editor store exposing composable actions
notes-app/app/utils/note-history.ts - custom history operations used by the editor store
Responsive & Cross-browser
5/10
Works on all screens and browsers
Responsive strategy is tested across desktop, tablet and mobile viewports and the stylesheet contains breakpoints and layout rules; cross-browser Playwright projects and responsive E2E tests show deliberate cross-browser/responsive verification.
Evidence
notes-app/e2e/responsive.spec.ts - viewport-based tests asserting layout and no horizontal overflow
notes-app/app/assets/styles/_tokens.scss - breakpoint and spacing token definitions
notes-app/app/pages/notes/[id].vue - media query rules for mobile layout
Performance Optimization
4/10
Speed of the interface
Some practical performance work is evident - debounced persistence, batching of text-history entries and cancellation of scheduled tasks - but no measured metrics, bundle analysis or advanced runtime optimization artifacts are present.
Evidence
notes-app/app/stores/editor.ts - createDebouncedTask usage for draft persistence and text-history flushing
notes-app/app/utils/debounce.ts - debounced task abstraction
Accessibility & Semantics
6/10
Usable for everyone
Accessibility and keyboard/focus behavior are actively tested and implemented - ARIA, keyboard shortcuts, focus management in modals and Axe-based a11y checks exist and are wired into test scripts.
Evidence
notes-app/app/pages/notes/[id].vue - aria-keyshortcuts attributes and focus handling around modals
notes-app/e2e/responsive.spec.ts - tests that validate focus order, keyboard interactions and dialog behavior
notes-app/package.json - @axe-core/playwright and test:a11y scripts
State Management & Data Flow
6/10
Managing data in the app
Strong client-side state discipline with a purpose-built editor store: queued/pending text changes, history recording (undo/redo), debounced persistence, cross-tab storage event handling and comprehensive unit tests validate non-trivial flows and race conditions.
Evidence
notes-app/app/stores/editor.ts - pendingTextChange queueing, textHistoryTask, draftPersistTask and undo/redo integration
notes-app/app/pages/notes/[id].vue - onStorage handler for external-delete and editor lifecycle hooks
notes-app/app/stores/editor.spec.ts - unit tests that exercise debouncing, persistence and undo/redo semantics
UX & Visual Polish
5/10
Look and feel quality
UX considerations such as recoverable drafts, confirmation flows, layout-shift tests and empty/fallback states are implemented; visual polish is solid though not accompanied by advanced perceived-performance experiments or progressive image/loading strategies.
Evidence
notes-app/e2e/responsive.spec.ts - layout shift assertion and draft-recovery tests
notes-app/app/pages/notes/[id].vue - restore/discard dialogs and empty-note fallback UI
notes-app/app/stores/editor.spec.ts - tests asserting persistence and draft lifecycle
Expertise
Vue· Middle
Modern Web Frameworks· Middle
Technologies
TypeScript· since 2022 · Senior · 4 projects
Vue.js· since 2020
Webpack· since 2020
Nuxt.js· since 2022
Next.js
GitLab CI· since 2022
Figma
Git· since 2022
JQuery· since 2018
Pinia· since 2022
Vite· since 2020
PostCSS
ESLint· since 2021 · 4 projects
Prettier· since 2020 · 5+ projects
Vuex· since 2022
GitLab· since 2022
Recommendations
- Build or extend single-page applications that require complex client-side workflows and offline/near-offline draft persistence such as note taking, document editors or task managers.
- Own editor and form UX improvements including undo/redo, keyboard accessibility and cross-tab synchronization for product features.
- Develop component libraries and accessible primitives that can be reused across projects, leveraging the existing design tokens and Base components.
- Lead migration or integration work that connects robust client state to backend APIs or real-time sync services, where the current client-side patterns can be adapted for server-integrated flows.
Repositories
The developer's experience in this domain has been verified based on AI analysis of the following repositories:
Job preferences
- Work permits
- Russia
- Citizenship
- Russia
- Salary
- from $30k per year
- Employment type
- Full-Time
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