Олексій

OLEKSII HILENKO

Junior Front-End Developer (Angular)

CONTACTS

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SUMMARY
Front-End Developer with 10 months of experience in developing Angular-based web applications.
Proficient in component-driven architecture, reactive programming with RxJS, and state management
with NgRx, with a solid foundation in HTML5, SCSS, and TypeScript. Experienced in integrating RESTful
APIs, writing unit tests, optimizing application performance, and maintaining accessibility and cross-
browser standards. Committed to continuous professional development and applying modern best
practices.

WORK EXPERIENCE
Jan-2026 - Present — EPAM Systems
Role: Engineer (Front-End Developer)
Responsibilities:
• Developed and maintained Angular applications using component-driven architecture.
• Built reusable UI components to ensure consistency and scalability across the application.
• Worked with both modern Angular 18+ features (standalone components, signals) and legacy
Angular patterns (NgModules, class-based patterns) depending on project needs.
• Integrated RESTful APIs and handled asynchronous data flows using RxJS and Angular HttpClient.
• Implemented state management with NgRx (Store, Effects) for predictable application behavior.
• Optimized application performance using lazy loading and OnPush change detection strategies.
• Implemented route guards and HTTP interceptors to handle authentication and secure requests.
• Ensured responsive design and cross-browser compatibility, adhering to semantic HTML and web
accessibility (A11y) standards.
• Collaborated with DevOps workflows, supporting application deployments via automated CI/CD
pipelines (KubeRocketCI) targeting AWS S3 and containerized environments.
• Worked in a Scrum team, actively participating in sprint planning, daily meetings, code reviews,
and sprint review/demo sessions.
• Utilized Git (GitLab) for strict version control and collaborative branching strategies.

SKILLS
Languages
• English (B2)
• Ukrainian (Native)
• Russian (Native)
Core Technologies
• HTML, CSS, JavaScript (ES6+), TypeScript
• SASS/SCSS, JSON
• Node.js, Express
Frameworks & Libraries
• Angular, RxJS, NgRx, jQuery
Web Fundamentals
• Semantic HTML, Accessibility (a11y)
• DOM (Document Object Model)
• HTTP / REST APIs, RESTful APIs Integration
Cloud & Backend
• Serverless computing, Basic AWS: Lambda, API Gateway, S3, CloudWatch, IAM
• KubeRocketCI
Tools & Platforms
• Git, GitHub, GitLab
• Jira, Confluence
• Postman, Figma
• VS Code, ESLint, Prettier
• NPM, GitHub Copilot
• Podman, Docker
Additional Knowledge
• Prompt Engineering, Generative AI basics, AI Ethics
• Git Workflow
• Agile, Scrum

EDUCATION
Sep-2021 - Jun-2025 — Kharkiv Radio Engineering Applied College
Specialty: Software Engineering
Degree (diploma): Professional Junior Bachelor (Short-Cycle Higher Education)