Ihor Krykunov

Fullstack developer

I'm a product-focused software developer with over 8 years of experience in front-end, back-end and mobile development, with expertise in modern web technologies.

I have experience in developing and optimizing websites, e-commerce platforms and mobile applications, SEO, website traffic acquisition and monetizing with many successful cases.

I am driven by problem-solving, innovation, and a commitment to achieving impactful results.

Work Experience

Built end-to-end features across multiple platforms, including secure authentication, interactive content delivery, AI-powered assistants, and document processing tools.

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.

Designed and developed a cross-platform mobile application for iOS and Android using the React Native Expo framework.

Implemented user registration and authentication features integrated with Firebase Authentication for secure and seamless onboarding.
Built a robust backend system on Firebase, leveraging Firestore for real-time database management.
Integrated analytics tools (Amplitude) to monitor user behavior, track engagement metrics, and optimize app performance.
Published the app successfully on Google Play Store and Apple App Store, adhering to platform-specific guidelines and standards

Chinese horoscope mobile application, web service

Web development with WordPress, Opencart and other CMS platforms.

Successfully launched websites from scratch, ranging from landing pages to e-commerce stores, handling the entire development cycle: from design and programming to hosting setup and server configuration.
Worked on client projects, maintaining long-term partnerships with agencies and small businesses from the US and Europe. Strong problem-solving abilities, team management skills, and experience communicating with clients across all project stages.
Experienced in search engine optimization (SEO) and monetization of personal projects, with proven success in achieving top rankings in Google search results.
Led and managed cross-functional teams, overseeing project planning, task delegation, and ensuring timely delivery of high-quality results.
Skilled in front-end and back-end development, server management, web-scraping using custom Python software
Additional expertise in UI/UX design and interface development, ensuring user-friendly and visually appealing products

Multilanguage website networks, online stores

Skills and technologies

Frontend

ReactNext.jsHTMLCSS with frameworksBEMRTL CSSTSJSBootstrapTailwindRadixshadcn/uiTanstackQueryReact Hook FormVite

Mobile

React NativeExpoReact Navigation

Backend

Node.jsPythonPHPREST APIPostgreSQLGraphQLFirebaseSupabaseVercel

Education

Master's Degree in Aerospace Engineering

National Aviation University