Flutter developer

На данный момент Senior full stack developer.

Мои компетенции и опыт

Leo Wei

SUMMARY

Versatile and accomplished Full Stack Developer with specialized expertise in Flutter, Dart, React, нужен доступ к резюме , and modern backend ecosystems. Over 9 years of proven success in cross-platform application development, including mobile e-commerce solutions, real-time meta-search platforms, and high-performance price tracking systems. Experienced in delivering data-intensive shopping and comparison applications with advanced search, personalization, and marketplace integrations. Skilled at building and scaling applications across mobile, web, and desktop, optimizing large data flows, and driving user engagement through impactful product features. Strong collaborator with designers, analysts, testers, and product managers in remote-first international teams.

PROFESSIONAL EXPERIENCE

Senior Full Stack Developer

Micron

Sep 2023 – Present Riga, Latvia

• Led development of cross-platform shopping applications using Flutter and Dart, ensuring seamless deployment on Android, iOS, and laying groundwork for desktop solutions.
• Architected real-time product comparison engines, integrating data streams from 300+ vendors and marketplaces with precise grouping, filtering, and discount personalization.
• Developed price monitoring and alert systems, sending instant notifications to users about reductions, stock changes, and delivery updates.
• Designed modular Flutter components supporting high reusability across platforms, reducing future maintenance costs and enabling rapid prototyping for new features.
• Optimized application performance and rendering by introducing lazy loading, image compression, and efficient caching, improving responsiveness by 35%.
• Collaborated directly with designers in Figma to translate wireframes into scalable interfaces, ensuring clarity and consistency across mobile layouts.
• Integrated personalized account-based discounting by linking user profiles to marketplaces (Ozon, Wildberries, нужен доступ к резюме , etc.).
• Contributed to architecture discussions for integrating desktop and web clients with existing mobile-first solutions, ensuring adaptability for broader ecosystems.
• Maintained rigorous testing frameworks (unit, widget, and integration tests), guaranteeing reliable production deployments with minimal regression.
• Partnered with product managers to prioritize features based on user engagement, ensuring business alignment with customer-centric functionality.

Full Stack Developer

UNECOS SOLUTIONS

Apr нужен доступ к резюме Sep 2023 Riga, Latvia

• Built and launched scalable Flutter-based e-commerce applications, supporting shopping baskets, favorites tracking, and personalized offer monitoring.
• Designed and deployed smart search systems combining keyword relevance, personal discount data, and delivery conditions for precise results across millions of items.
• Integrated hundreds of vendor APIs into a unified data model, ensuring consistent handling of product details, stock, pricing, and discount schemes.
• Developed advanced filtering modules (brand, delivery date, attributes, category-specific refinements) to simplify navigation in large catalogs.
• Engineered price grouping and offer clustering features, enabling users to compare similar products across vendors in a single view.
• Managed complex state workflows using Provider and Riverpod, maintaining smooth interactions even with high-volume datasets.
• Enhanced system performance through data indexing, caching, and batched API calls, reducing average search response time by 40%.
• Worked closely with UX designers in Figma to iterate rapidly on mobile-first prototypes, validating features before development.
• Implemented account-based personalization, syncing user profiles with marketplace accounts to automatically display discounts and reward levels.
• Collaborated with QA testers to establish robust regression suites and release pipelines, ensuring stability across frequent deployments.
• Regularly participated in sprint planning, retrospectives, and remote standups, ensuring alignment and delivery within Agile cycles.

Frontend Developer

Onez

• Developed responsive web and mobile interfaces for shopping platforms, focusing on catalog displays, product search, and filtering components.
• Built dynamic product listings capable of rendering large inventories with efficient data handling, reducing page load times significantly.
• Integrated RESTful APIs delivering real-time product and price information, ensuring users always accessed the most up-to-date data.
• Created reusable UI components (buttons, cards, grids, forms) to streamline development and maintain visual consistency across projects.
• Partnered with backend developers to optimize data fetching strategies, improving client-server communication efficiency.
• Designed search categorization features, enabling users to explore product categories with intuitive navigation flows.
• Assisted in e-commerce feature rollouts such as shopping carts, wishlist/favorites tracking, and personalized discount displays.
• Implemented performance enhancements including query optimization, local caching, and responsive rendering techniques.
• Participated in prototype-to-production pipelines with designers, ensuring rapid iteration cycles and early usability feedback.
• Documented technical implementations, ensuring knowledge transfer and maintainability for future developers.

EDUCATION

The Hong Kong University of Science and Technology

May нужен доступ к резюме May 2016 Hong Kong

нужен доступ к резюме in Computer Science & Applied Mathematics

LANGUAGES

English

SKILLS

Mobile & Cross-Platform Development

• Flutter, Dart, Kotlin (Android), Swift (iOS)
• Cross-platform architecture (mobile + desktop with Flutter)
• State Management: BLoC, Riverpod, Provider, Redux
• Modular design and component reuse

Frontend & Web

• React, нужен доступ к резюме , JavaScript (ES6+), TypeScript
• Responsive UI/UX, TailwindCSS, ShadCN, Framer Motion
• Figma-to-code translation, design systems, reusable component libraries

Backend & APIs

• нужен доступ к резюме , Express, Prisma, Supabase, PostgreSQL, MongoDB
• RESTful APIs, GraphQL, WebSockets
• API integration with vendor/marketplace data sources
• CI/CD pipelines with GitHub Actions, Docker, and cloud deployments

E-commerce & Marketplaces

• Shopping cart and checkout logic
• Price monitoring, discount tracking, and alert systems
• Personalized pricing based on user accounts
• Offer grouping and clustering for comparison shopping
• Delivery condition–based filtering and sorting
• Marketplace integrations (Ozon, Wildberries, нужен доступ к резюме , Amazon APIs)

Performance & Optimization

• Large dataset handling (millions of products, high-volume catalogs)
• Caching, indexing, lazy loading, and query optimization
• Neural network–based ranking and smart search algorithms
• Rendering optimization for mobile and low-bandwidth environments

Collaboration & Practices

• Agile/Scrum methodology
• Remote-first team collaboration (Slack, Jira, GitHub, video calls)
• Code reviews, pair programming, and knowledge sharing
• Testing: unit, widget, integration, end-to-end automation
• Technical documentation and product requirement mapping