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Oleksii

Front-end програміст

Возраст:
27 лет
Город проживания:
Бровары
Готов работать:
Бровары, Киев, Удаленно

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Oleksii Maslak
Frontend Lead | React * TypeScript * Scalable Architecture
Brovary, Ukraine | [открыть контакты](см. выше в блоке «контактная информация») | [открыть контакты](см. выше в блоке «контактная информация»)
GitHub: github.com/OleksiiMaslak | LinkedIn: [открыть контакты](см. выше в блоке «контактная информация»)

PROFESSIONAL SUMMARY
Frontend Lead with 4+ years of experience building high-performance, scalable web applications using React and
TypeScript, and 1+ year leading engineering teams. Currently leading a team of 7 engineers, owning frontend
architecture, delivery processes, and technical strategy. Proven ability to improve development velocity, code quality,
and system scalability. Strong expertise in micro-frontend architecture, performance optimization, and complex UI
systems. Actively leveraging AI tools to accelerate development.

KEY IMPACT
- Led team of 7 engineers, improving delivery speed and predictability
- Reduced load time by ~20% via performance optimizations
- Designed micro-frontend platform for scalable multi-team development
- Improved code quality by introducing ESLint, Prettier, and review standards
- Accelerated development using AI tools (Copilot, ChatGPT, Claude)

TECHNICAL SKILLS
Languages: JavaScript (ES6+), TypeScript
Frameworks: React, Next.js
Architecture: Micro-frontends, SPA, modular systems
State Management: Redux Toolkit, Zustand, React Query, SWR
Styling: Tailwind CSS, SCSS, Styled Components, Ant Design
Tooling: Vite, Webpack, Storybook, Docker
Backend: Node.js, Express.js, PostgreSQL
Other: REST APIs, WebSockets, CI/CD

WORK EXPERIENCE

Frontend Lead - SDE Group Apr 2025 - Present
- Lead and mentor a team of 7 frontend engineers
- Own frontend architecture and technical decision-making
- Drive delivery processes and ensure high-quality releases
- Collaborate with product and backend teams on system design
- Improve engineering processes and development standards
- Contribute to CI/CD pipelines and infrastructure improvements
- Micro-Frontend Platform (Government Integrations)
- Designed scalable micro-frontend architecture
- Enabled independent feature delivery across teams
- Integrated frontend with Kubernetes-based infrastructure
- Established patterns for modular and isolated development

Frontend Developer -> Middle - Royal Leads 2023 - Apr 2025
- Promoted from Junior to Middle within 2 years
- Developed scalable SPAs and complex UI systems
- Improved application performance by ~20%
- Built stable integrations with backend APIs
- Collaborated closely with design and backend teams

KEY ACHIEVEMENTS
Critical Production Debugging (Ant Design)
Resolved major issue affecting legacy systems (Windows 8 / Chrome 109)
Identified root cause in animation lifecycle and CSSMotion
Implemented stable fix without breaking accessibility
Impact: restored functionality for affected users
Team Leadership
Led team of 7 engineers
Improved: development speed, code quality, delivery predictability
Performance Optimization
Implemented lazy loading, code splitting, memoization
Reduced bundle size and improved rendering performance

EDUCATION
PhD (in progress) - History & Archaeology
Taras Shevchenko National University of Kyiv
Master's Degree - Logistics
National Aviation University

LANGUAGES
English - B2 | Ukrainian - Native | Russian - C2

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