Olga Kazantseva
@olgakazantseva
Frontend & mobile developer specializing in React/Vue and Flutter AI products.
What I'm looking for
I’m a Frontend and Mobile Developer with 5+ years of commercial experience building web applications, administrative systems, responsive websites, and cross-platform mobile products.
I work across the full product development cycle—requirements analysis, frontend architecture, UI implementation, API integration, testing, refactoring, production releases, and ongoing product support. I’m comfortable creating from scratch and contributing to large existing codebases.
In my current role, I lead the client-side architecture for an AI-powered corporate platform, designing modules, component boundaries, and complex user scenarios. I integrate frontend with backend APIs and AI services, build semantic search and AI-generated interfaces, and use AI-assisted tools for prototyping, analysis, testing, and optimization.
Experience
Work history, roles, and key accomplishments
Aurora SIA is an AI-powered corporate platform for knowledge management, semantic search, and working with internal company information.
- Lead the architecture and development of the client-side application.
- Design frontend modules, component boundaries, data flows, and complex user scenarios.
- Build interfaces for searching, viewing, editing, and organizing corporate knowledge.
- Integra
Programming & Game Education
Self-Employed
Jan 2026 - Present (6 months)
Taught programming fundamentals, algorithms, object-oriented programming, and frontend concepts while reviewing students’ code and providing technical feedback. Supported projects from concept through prototype and helped students with debugging and task decomposition.
Programming and Game Development Education
Self-employed
Jan 2026 - Present (6 months)
- Teach programming fundamentals, algorithms, software logic, and object-oriented programming.
- Help students transform product and game ideas into structured development plans.
- Explain frontend concepts, application structure, and event-driven programming.
- Review code and provide detailed technical feedback.
- Teach debugging, task decomposition, and independent problem-solving.
- Adapt
Frontend & Web Designer
Freelance
Feb 2025 - Dec 2025 (10 months)
Developed responsive websites and user interfaces for private clients, translating business requests into page structures and implementation plans. Implemented interactive UI components and integrations using modern web tools, including task estimation and client communication.
Frontend Developer & Web Designer
Freelance
Feb 2025 - Dec 2025 (10 months)
- Developed responsive websites and user interfaces for private clients.
- Gathered requirements and converted business requests into page structures and implementation plans.
- Built interfaces for desktop, tablet, and mobile devices.
- Developed frontend functionality using JavaScript, HTML, CSS, and modern web tools.
- Implemented forms, navigation, modal windows, interactive components, an
Frontend & Mobile Dev
Createrra
Oct 2024 - Feb 2025 (4 months)
Developed a cross-platform Flutter application from scratch, designing project structure and user flows and integrating backend REST APIs. Also worked on an existing Kotlin logistics Android application, refactoring critical screens and delivering new functionality to production.
- Developed a cross-platform Flutter application from scratch.
- Designed the project structure and key user flows.
- Integrated the application with backend REST APIs.
- Built reusable UI components and screens with complex interaction logic.
- Worked on an existing Kotlin logistics application.
- Quickly learned an unfamiliar Android codebase and its business logic.
- Refactored critical screens
Frontend & Mobile Dev
ItLabRealty
Mar 2022 - Oct 2024 (2 years 7 months)
Developed and maintained multiple web and mobile products, including participating in frontend architecture and delivering features end-to-end from requirements and API integration to testing and release support. Built admin and corporate interfaces using Vue.js/Nuxt.js with Vue Router and state management (Vuex/Pinia), implemented authentication/authorization and protected routes, and handled UI
Frontend & Mobile Developer — Vue.js, Nuxt.js, Flutter
Mar 2022 - Oct 2024 (2 years 7 months)
- Developed and maintained multiple web and mobile products with independent codebases.
- Participated in frontend architecture and technical decision-making.
- Delivered features through the complete cycle: requirements analysis, development, API integration, testing, and release support.
- Developed applications using Vue.js and Nuxt.js.
- Used Vue Router for navigation and nested user flows.
-
Frontend & Mobile Developer — Vue.js, Nuxt.js, Flutter
Mar 2022 - Oct 2024 (2 years 7 months)
- Developed and maintained multiple web and mobile products with independent codebases.
- Participated in frontend architecture and technical decision-making.
- Delivered features through the complete cycle: requirements analysis, development, API integration, testing, and release support.
- Developed applications using Vue.js and Nuxt.js.
- Used Vue Router for navigation and nested user flows.
-
- Developed responsive e-commerce websites and commercial web pages.
- Implemented interfaces based on design mockups.
- Developed new UI elements and interactive functionality.
- Maintained existing projects and fixed visual and functional issues.
- Improved cross-browser compatibility and mobile responsiveness.
- Worked with Bootstrap components and existing jQuery projects.
- Configured and mai
- Developed responsive e-commerce websites and commercial web pages.
- Implemented interfaces based on design mockups.
- Developed new UI elements and interactive functionality.
- Maintained existing projects and fixed visual and functional issues.
- Improved cross-browser compatibility and mobile responsiveness.
- Worked with Bootstrap components and existing jQuery projects.
- Configured and mai
Education
Degrees, certifications, and relevant coursework
Self-employed
Programming & Software Development Tutoring
2026 -
Activities and societies: Taught frontend concepts and event-driven programming; reviewed code; coached debugging, task decomposition, and independent problem-solving; adapted materials to each student’s level.
Provided programming education and mentoring, covering fundamentals, algorithms, and object-oriented programming. Supported projects from concept to working prototype.
International University of Nature, Society and Man
Bachelor of Engineering, Computer Software Engineering
2017 - 2022
Earned a Bachelor of Engineering in Computer Software Engineering. Studied from 2017 to 2022.
Art. Lebedev Studio (Campus program)
Web Design
Completed web design training as part of the Campus program at Art. Lebedev Studio.
International University of Nature, Society and Man "Dubna"
Bachelor of Engineering, Computer Software Engineering
2017 - 2022
Availability
Location
Authorized to work in
Salary expectations
Job categories
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