Ігор

Ihor Krykunov [відкрити контакти](див. вище в блоці «контактна інформація»)
Frontend developer [відкрити контакти](див. вище в блоці «контактна інформація»)
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Product-focused software engineer experienced in front-end, back-end, and mobile LinkedIn
development. Delivered and optimized high-traffic websites, e-commerce platforms, and
Github
mobile apps, significantly increasing conversions, SEO performance, and user retention.
Excited about technology and web development, and I enjoy building my own projects to
stay at the forefront of industry trends.

Skills
Frontend: React, TypeScript, Next.js, Redux/Zustand, Clerk, TanStack Query, React Hook Form, Lexical
Styling: Tailwind, CSS frameworks, BEM, shadcn/ui, HeroUI, MUI
Mobile: React Native, Expo, React Navigation
Backend: Node.js, Express, PostgreSQL, REST/GraphQL, Vercel, Firebase, Supabase, Payload CMS,
Testing: Jest, React Testing Library, Cypress
Tools: Git, Docker, Linux, CI/CD, Turborepo, ESLint, Prettier, Husky
AI: OpenAI API, RAG, Vector Databases

Experience
Frontend, Mobile Developer TWS (Outstaffing Company) Dec 2023 - Present
Language learning platform - Built the complete user account and authentication module, providing secure access and
profile management. Developed the data access layer to efficiently fetch and manage course content and progress from the
backend API. Engineered a versatile task engine supporting multiple formats, with the client-side logic for task submission,
answer validation, and real-time progress tracking. Built a content pipeline featuring a Markdown-based editor to create and
display lesson content.
Developed a document processing feature for a construction management platform, enabling users to upload and interact with
blueprints (PDFs & images) directly within the application, and automated key data extraction, reducing manual workflow time
for project managers by an estimated 50%. Implemented an AI-powered chatbot that provided stakeholders with real-time
project status and progress updates, significantly improving information accessibility.
Engineered a dynamic and intuitive user onboarding flow for a collaborative contract signing platform, resulting in a 20%
increase in successful user activation. Implemented a responsive and animated user interface that interacted with a
proprietary AI-lawyer backend, clearly presenting AI-driven suggestions to users and streamlining the contract review process.

Vekua app - Successfully developed and launched a cross-platform React Native mobile app, led teams of up to 5 developers in the
end-to-end development, directing architectural decisions, managing feature decomposition, and conducting code reviews to ensure
high-quality, on-time delivery. Achieved 2000+ downloads and hundreds of paying subscribers. Tech: React Native Expo,
TypeScript, Firebase, RevenueCat, Sentry.

Fullstack Developer Independent Developer | Freelance Jan 2016 - 2023
Web development with WordPress, OpenCart, and other CMS platforms. Developed custom themes and plugins with PHP, and
automated web scraping and data extraction using custom Python solutions..
Executed data-driven SEO campaigns and implemented effective traffic monetization strategies with proven results.

Projects Portfolio Link

TherapyCRM - therapy practice management system. Monorepo Next.js app with authentication, appointments calendar and
forms, patient management, knowledge database, powered by AI tools with RAG.
Bazi - Professional Chinese horoscope analysis web app. Next.js, TS, Shadcn, MUI, React Hook Form, Tailwind, Zustand, Clerk,
PostgreSQL, I18n.

Education Languages
Master's Degree in Aerospace Engineering English - B2
National Aviation University Ukrainian - Native