Працював в 2 компаніях   6 років 1 місяць

IT

Front-end Developer

KODO

IT

3 роки 1 місяць

06.2023 - 06.2026

Product company developing a multi-tenant SaaS platform for workplace compliance and case management.
• Delivered complex product features across the entire implementation lifecycle, from refining requirements with backend engineers to production-ready React and TypeScript solutions.
• Developed a multi-tenant frontend architecture supporting multiple organizations with organization-specific configuration, SSO integrations, feature flags, and independent application settings while keeping shared functionality maintainable.
• Implemented authentication, role-based access control (RBAC), and routing for multiple user applications (Reporter, Manager, Partner, and Admin), each with isolated sessions, permissions, and business workflows.
• Proposed the migration to a Feature-Sliced Design architecture after identifying maintainability issues caused by duplicated role-specific logic, improving project structure and making the codebase easier to extend.
• Optimized React rendering, bundle loading, and Core Web Vitals, achieving a Lighthouse Performance score of 93 while improving responsiveness across the application.
• Contributed to architectural discussions by evaluating implementation trade-offs, preparing technical proposals, and collaborating with the CTO on solution design for large product initiatives.
• Became the main frontend engineer on the platform, owning feature implementation, frontend quality, code review, and long-term maintainability throughout most of the project's lifecycle.
• Introduced project structure and shared development guidelines that made AI tools more effective for navigation, refactoring, and repetitive implementation tasks.

Front-end Developer

SutoSoft

IT

3 роки

06.2020 - 05.2023

Software development agency delivering custom web applications for international clients.
• Worked on projects serving approximately 5,000 daily visitors, focusing on performance, usability, and maintainable frontend solutions as applications evolved.
• Developed React applications integrated with Laravel backends, delivering customer-facing features across e-commerce platforms, internal dashboards, and content-driven websites for multiple international clients.
• Improved the performance and search visibility of business-critical pages by optimizing rendering, frontend assets, and page structure, achieving Lighthouse scores of 95+ for Performance and 100 for SEO.
• Built responsive, pixel-perfect user interfaces from Figma designs using a mobile-first approach, ensuring consistent behavior across modern browsers and devices.
• Contributed to frontend architecture and refactoring efforts by improving code organization, reducing duplication, and introducing reusable patterns as projects became more complex.
• Collaborated closely with designers and backend developers to translate business requirements into reliable frontend solutions, balancing user experience, technical constraints, and project deadlines.
• Wrote and maintained unit tests for React components, contributing to frontend reliability and regression prevention.

Ключова інформація

Frontend Engineer with 6 years of experience building React and TypeScript applications for SaaS products and commercial web platforms. Experienced in frontend architecture, performance optimization, and developing complex user workflows in close collaboration with backend engineers, designers, and product teams.

Навчався в 1 закладі

ZSZ 1 we Wlodawie

Wlodawa, 2020

Володіє мовами

Англійська

вище середнього

Польська

поглиблений

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Російська

вільно

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Українська

рідна

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Валентин Валентинович

Front-end Developer

Київ

3 500 $

26 років

повна зайнятість

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