Антон

ANTON SOBOLEVSKYI
Senior Frontend Developer | Angular | React | TypeScript
[відкрити контакти](див. вище в блоці «контактна інформація») · [відкрити контакти](див. вище в блоці «контактна інформація») · github.com/anton-sobolevskyi

PROFESSIONAL SUMMARY
Accomplished Senior Frontend Developer with 9+ years of commercial experience building production
applications with Angular, React, TypeScript, JavaScript, RxJS, and NgRx. Expertise includes frontend architecture,
reusable components, performance optimization, REST API and WebSocket/SignalR integration, authentication,
role-based access control, and responsive interfaces. Delivered logistics platforms, industrial monitoring systems,
marketplaces, CRM applications, and real-time dashboards independently and with cross-functional teams.

CORE TECHNICAL SKILLS
Primary Frontend: Angular, TypeScript, JavaScript, Angular Material, Angular CDK, Spartan UI, Tailwind CSS
Angular Development: Standalone components, Signals, New control flow, RxJS, Reactive Forms, Angular Router,
Route Guards, Lazy Loading
Web Fundamentals: HTML5, CSS3, SCSS, Responsive Design, SPA
State Management: NgRx, Redux, Redux Thunk, Zustand
Architecture & APIs: Modular Architecture, SOLID, REST APIs, WebSockets, SignalR, JWT, RBAC, OpenAPI
Testing & Delivery: Vitest, Jest, Playwright, Jasmine, Karma, GitHub Actions, CircleCI, Docker, CI/CD
Supporting Technologies: React, Gatsby.js, Node.js, NestJS, Prisma, PostgreSQL, Flutter, React Native

PROFESSIONAL EXPERIENCE
Senior Frontend Developer | PiipAi
December 2025 – Present
• Migrated the application from Angular 19 to Angular 21, modernizing the frontend architecture and
enabling adoption of current framework capabilities.
• Designed and implemented architectural solutions for new features and modules, establishing scalable
foundations for continued product development.
• Improved the existing codebase and optimized application loading performance, creating a faster and more
maintainable user experience.
• Integrated WebSocket communication and optimized API interactions, improving application
responsiveness through real-time data handling and efficient network requests.
• Contributed to the development and refinement of core product functionality, strengthening feature quality
through frontend engineering expertise.

Middle Frontend Developer | IT Step
April 2025 – October 2025
• Developed and maintained Angular functionality across multiple services, supporting reliable delivery and
ongoing evolution of product capabilities.
• Implemented responsive pages and reusable UI components from Figma designs during a large-scale
product redesign, improving consistency across user interfaces.
• Developed administration functionality with forms and tables for managing business entities, enabling
efficient workflows for operational users.
• Refactored shared Angular components to improve consistency, maintainability, and reuse across the
product.
• Investigated and resolved production issues through debugging and code analysis.
• Collaborated with designers, QA engineers, and project managers to deliver production-ready features.

Middle Frontend Developer | Computools
September 2021 – December 2024
• Delivered and maintained enterprise Angular applications for hotel management, industrial monitoring,
wholesale marketplace, and logistics operations, supporting diverse business workflows.
• Built real-time industrial monitoring features using WebSocket and SignalR, enabling live visibility into
sensor and production data, including melting furnaces and process monitoring.
• Developed a logistics platform from scratch, including driver workflows, administration panels, forms, and
complex operational interfaces, establishing core functionality for logistics users.

• Built a wholesale marketplace from scratch with authentication, product catalog, product detail, search, and
filtering, delivering a complete customer-facing commerce experience.
• Managed application state with NgRx and SignalStore across multiple business workflows, contributing to
migration toward modern Angular patterns including Angular 18.

Frontend Developer | JSN
April 2020 – September 2021
• Maintained and extended production React applications using React, Redux, and Redux Thunk, supporting
reliable functionality across ongoing product development.
• Developed React functionality for an art marketplace connecting artists and collectors, including
registration flows, role-based UI, search with filters, and responsive artwork grid.
• Developed a complex multi-step form with React, including form validation and photo attachment,
improving structured data collection within the application.
• Created reusable React components and implemented new application features in an existing production
codebase, improving consistency and accelerating frontend delivery.
• Built a website from scratch using Gatsby.js and Figma designs, implementing responsive pages,
animations, and a contact form integrated with a serverless backend using AWS Lambda.
• Redesigned pages of a PHP application using Mustache templates and Figma designs, improving interface
presentation while preserving the existing application structure.
• Collaborated with designers, QA, and backend specialists to translate requirements into production-ready
React interfaces, supporting accurate and coordinated feature delivery

Frontend Developer / Flutter Developer | Freelance
July 2019 – April 2020
• Maintained and extended a production Angular CRM platform with dashboards, forms, tables, and role-
based workflows.
• Developed responsive Angular interfaces for CRM workflows using RxJS, Reactive Forms, Google Maps, ngx-
translate.
• Refactored legacy code, and improved reusable frontend components.
• Owned CI/CD workflows with CircleCI for Angular builds and deployment to AWS EC2.
• Rebuilt an existing React Native mobile application in Flutter for Android and iOS, including authentication,
forms, and Google Maps.

Frontend Developer | LightIT
December 2016 – July 2019
• Maintained and extended an AngularJS website by supporting existing functionality and implementing new
features, ensuring continued reliability of the production application.
• Joined a long-term Angular project as the primary / sole frontend developer and implemented core
application functionality from scratch.
• Designed and implemented JWT authentication, including registration, login, tokens, interceptors, and
session handling, strengthening secure access across the application.
• Implemented role-based access control, ensuring each user type received appropriate application access.
• Developed a JSON-driven system for dynamically generating forms and data tables, improving reuse across
business workflows; implemented dynamic navigation driven by backend configuration.
• Built reusable UI components for a complex administration application, improving consistency and
maintainability across administrative workflows.
• Wrote and maintained unit tests using Jasmine and Karma, supporting frontend reliability and regression
prevention throughout development

EDUCATION
Specialist Diploma in Electrical Systems of Power Consumption / Electrical Engineering
Zaporizhzhia National Technical University | 2009 – 2013

PROFESSIONAL TRAINING
PHP Developer Program
IT Step | 2015

LANGUAGES
Ukrainian - Native
English - Upper-Intermediate