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Senior full-stack/front-end engineer focused on performance optimization, reusable UI architecture, and scalable React/Next.js systems for multi-tenant enterprise products and AI-powered web applications. Experienced building REST APIs and integrating PostgreSQL/Prisma backends, improving UX and reliability for high-traffic user flows (real-time updates, multi-step interactions), and delivering maintainable, secure, and testable front-end features using modern TypeScript and E2E workflows.…Senior full-stack/front-end engineer focused on performance optimization, reusable UI architecture, and scalable React/Next.js systems for multi-tenant enterprise products and AI-powered web applications. Experienced building REST APIs and integrating PostgreSQL/Prisma backends, improving UX and reliability for high-traffic user flows (real-time updates, multi-step interactions), and delivering maintainable, secure, and testable front-end features using modern TypeScript and E2E workflows.

Ekatarshian

Full Stack Developer, Front-End Developer, Web Developer, +2

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Senior full-stack/front-end engineer focused on performance optimization, reusable UI architecture, and scalable React/Next.js systems for multi-tenant enterprise products and AI-powered web applications. Experienced building REST APIs and integrating PostgreSQL/Prisma backends, improving UX and reliability for high-traffic user flows (real-time updates, multi-step interactions), and delivering maintainable, secure, and testable front-end features using modern TypeScript and E2E workflows.…Senior full-stack/front-end engineer focused on performance optimization, reusable UI architecture, and scalable React/Next.js systems for multi-tenant enterprise products and AI-powered web applications. Experienced building REST APIs and integrating PostgreSQL/Prisma backends, improving UX and reliability for high-traffic user flows (real-time updates, multi-step interactions), and delivering maintainable, secure, and testable front-end features using modern TypeScript and E2E workflows.

Available to hire

Senior full-stack/front-end engineer focused on performance optimization, reusable UI architecture, and scalable React/Next.js systems for multi-tenant enterprise products and AI-powered web applications.

Experienced building REST APIs and integrating PostgreSQL/Prisma backends, improving UX and reliability for high-traffic user flows (real-time updates, multi-step interactions), and delivering maintainable, secure, and testable front-end features using modern TypeScript and E2E workflows.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

English

Fluent

Spanish; Castilian

Advanced

Ukrainian

Fluent

Russian

Fluent

Work Experience

Senior Frontend Engineer (React/Next.js/TS) at G R8 Tech

February 1, 2026 - Present

Built high-load front-end modules for player accounts and payment flows, handling real-time updates and complex multi-step interactions. Focused on performance optimization, reusable UI architecture, and maintainable front-end systems in multi-tenant environments. Collaborated with backend engineers to design API contracts, integrate backend services, and deliver scalable, user-centric product experiences across AI products, analytics platforms, and internal tools, with strong emphasis on UX quality.

Frontend Engineer (React/TS)

January 1, 2026 - May 1, 2026

Optimized state management and REST API data-fetching logic to improve responsiveness in high-frequency real-time update flows. Built reusable UI systems for multi-brand, multi-tenant platforms, improving consistency and reducing duplicated UI logic. Improved reliability of critical user flows (registration, payments) using robust validation, loading, and error-handling patterns.

Frontend Engineer (React/Next.js/TS) at AppGang

May 1, 2025 - November 1, 2025

Built dashboard and workspace modules for enterprise-grade multi-tenant platforms using React, Next.js, and TypeScript. Implemented scalable front-end data layers integrating REST APIs with TanStack Query, improving rendering stability, caching, and UI responsiveness. Built reusable design-system-aligned UI components to improve UX consistency across product areas and reduce duplicated front-end logic. Introduced Playwright end-to-end testing workflows to reduce regressions and improve release confidence across environments.

Frontend Engineer (React/Next.js/TS) at Call to action / Marketing platforms — CRM systems

November 1, 2020 - February 1, 2025

Led migration of an legacy jQuery-based CRM to a scalable React + ZUSTand architecture, improving maintainability and front-end consistency. Built complex forms, dashboards, and operational workflows for high-frequency internal business usage. Introduced Playwright end-to-end testing for critical user journeys to improve release stability and reduce regressions.