Антон

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

PROFESSIONAL SUMMARY
Senior Frontend Developer with 8+ years of commercial experience, specializing in Angular and TypeScript.
Experienced in building enterprise applications from scratch, modernizing legacy systems, designing reusable
frontend architecture, and delivering complex data-driven interfaces. Strong background in real-time applications,
logistics, industrial monitoring, CRM, authentication, role-based access control, and state management with NgRx
and RxJS. Comfortable owning frontend work independently and collaborating with designers, QA engineers,
backend developers, and project managers.

CORE TECHNICAL SKILLS
Primary Frontend: Angular, TypeScript, JavaScript, Angular Material, Angular CDK
Angular Development: Angular CLI, Nx, RxJS, Reactive Forms, Angular Router, Route Guards, Lazy Loading,
Dependency Injection, Signals
Web Fundamentals: HTML5, CSS3, SCSS, Responsive Design, SPA
State Management: NgRx, SignalStore, Redux, Redux Thunk
Architecture & APIs: Modular Architecture, SOLID Principles, REST APIs, WebSockets, SignalR, JWT, RBAC
Testing & Delivery: Jasmine, Karma, Jest, Git, CircleCI, GitHub Actions, Docker, CI/CD
Supporting Technologies: React, Gatsby.js, Node.js, NestJS, Prisma, PostgreSQL, Flutter, React Native

PROFESSIONAL EXPERIENCE
Frontend Developer | IT Step
April 2025 – October 2025
• Developed and maintained Angular functionality across multiple internal services.
• Implemented responsive pages and reusable UI components from Figma designs during a large-scale
product redesign.
• Developed administration functionality with forms and tables for managing business entities.
• Refactored shared Angular components to improve consistency, maintainability, and reuse.
• Investigated and resolved production issues through debugging and code analysis.
• Collaborated with designers, QA engineers, and project managers to deliver production-ready features.

Frontend Developer | Computools
September 2021 – December 2024
• Delivered and maintained enterprise Angular applications for hotel management, industrial monitoring,
wholesale marketplace, and logistics operations.
• Built real-time industrial monitoring features using WebSockets and SignalR for live 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.
• Built a wholesale marketplace from scratch with authentication, product catalog, product detail, search, and
filtering.
• Managed application state with NgRx and SignalStore across multiple business workflows; contributed 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.
• 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.
• Created reusable React components and implemented new application features in an existing production
codebase.
• Built a website from scratch using Gatsby.js and Figma designs; implemented responsive pages, animations,
and a contact form integrated with a serverless backend (AWS Lambda).

• Redesigned pages of a PHP application using Mustache templates and Figma designs.

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 and data-driven business processes using
RxJS, Reactive Forms, Google Maps, ngx-translate, and Tailwind CSS.
• Resolved production issues, 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. Implemented mobile
authentication, user registration, reporting forms, information lists, internationalization, Google Maps, and
location tracking with map-based route playback.

Frontend Developer | LightIT
December 2016 – July 2019
• Maintained and extended an AngularJS website by supporting existing functionality and implementing new
features.
• Joined a long-term Angular project (construction workers marketplace) as the primary frontend developer
and implemented core application functionality from scratch.
• Designed and implemented JWT authentication (registration, login, tokens, interceptors, session handling)
and role-based access control for admin, client, and worker roles.
• 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.
• Wrote and maintained unit tests using Jasmine and Karma.

SELECTED TECHNICAL PROJECT

Management App Backend
TypeScript, NestJS, Prisma, PostgreSQL, Jest, Docker, GitHub Actions, Swagger/OpenAPI
• Developed a modular REST API for team-based project and task management using NestJS and TypeScript.
• Implemented JWT authentication, refresh token rotation, token revocation, role-based access control
(OWNER, ADMIN, MEMBER), and soft deletes.
• Designed PostgreSQL data models with Prisma for users, projects, project members, tasks, comments, and
file attachments.
• Integrated S3-compatible storage for file uploads and downloads.
• Documented API endpoints with Swagger/OpenAPI; added Jest and Testcontainers tests; configured Docker
Compose and GitHub Actions CI with Render deployment.
GitHub: github.com/anton-sobolevskyi/management_app_backend
Live API docs: management-app-backend-qs3u.onrender.com/api-docs

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