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Frontend engineer with 6 years of commercial experience building React/TypeScript SaaS web applications, document-management workflows, reusable modules, and AI-powered product integrations. Experienced in frontend architecture, tool-calling UI flows, performance optimization, automated testing, releases, and production support in large-scale environments. Strong at translating requirements and technical design into robust implementations—handling validation, releases, and production debugging—while coordinating across product, backend, QA, and design teams.…Frontend engineer with 6 years of commercial experience building React/TypeScript SaaS web applications, document-management workflows, reusable modules, and AI-powered product integrations. Experienced in frontend architecture, tool-calling UI flows, performance optimization, automated testing, releases, and production support in large-scale environments. Strong at translating requirements and technical design into robust implementations—handling validation, releases, and production debugging—while coordinating across product, backend, QA, and design teams.

Yevhen Bychkov

Front-End Developer, Full Stack Developer, Web Developer, +1

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Frontend engineer with 6 years of commercial experience building React/TypeScript SaaS web applications, document-management workflows, reusable modules, and AI-powered product integrations. Experienced in frontend architecture, tool-calling UI flows, performance optimization, automated testing, releases, and production support in large-scale environments. Strong at translating requirements and technical design into robust implementations—handling validation, releases, and production debugging—while coordinating across product, backend, QA, and design teams.…Frontend engineer with 6 years of commercial experience building React/TypeScript SaaS web applications, document-management workflows, reusable modules, and AI-powered product integrations. Experienced in frontend architecture, tool-calling UI flows, performance optimization, automated testing, releases, and production support in large-scale environments. Strong at translating requirements and technical design into robust implementations—handling validation, releases, and production debugging—while coordinating across product, backend, QA, and design teams.

Available to hire

Frontend engineer with 6 years of commercial experience building React/TypeScript SaaS web applications, document-management workflows, reusable modules, and AI-powered product integrations. Experienced in frontend architecture, tool-calling UI flows, performance optimization, automated testing, releases, and production support in large-scale environments.

Strong at translating requirements and technical design into robust implementations—handling validation, releases, and production debugging—while coordinating across product, backend, QA, and design teams.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

Ukrainian

Fluent

English

Intermediate

Polish

Beginner

Work Experience

Software Engineer, pdfFiller/airSlate at pdfFiller / airSlate

January 1, 2021 - January 1, 2026

Owned frontend implementation and delivery for AI Assistant and AI Editor integrations, covering technical design, task decomposition, implementation, testing, release, and production support. Integrated assistant-driven document/editor actions such as page navigation, document state updates, and editor workflow triggers via tool-calling flows while keeping frontend state predictable. Proposed and documented frontend integration approaches for AI modules, aligning expectations across product, frontend, backend, QA, and design prior to implementation. Built reusable UI workflow components for a large-scale document-management product (folder/file navigation, document views, table views, forms, modals, and editor-related flows). Designed and configured reusable frontend modules (commenting, AI Assistant, AI Editor) for integration across multiple product areas. Configured Webpack builds for reusable modules, including vendor and non-vendor outputs for flexible integration into host app

Full-Stack Developer at Careerist

January 1, 2020 - January 1, 2021

Built React/TypeScript and Material UI interfaces for managing business entities including forms, validation, API integration, and table views. Implemented backend CRUD APIs and business logic using Node.js, Express, Moleculer.js, MySQL, and Sequelize to support frontend workflows and internal operations. Collaborated with the development team on feature implementation, bug fixing, maintenance, and API/frontend integration tasks.