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Qingyi Z.

@QingYiZeng

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Java/Android/Flutter/React/Python Developer

$15 USD / Saa
Bedera ya
China (9:59 AM)
Alijiunga mnamo Novemba 23, 2022
$15 USD / Saa
Experienced full-stack developer with over 10 years of expertise in app development, delivering robust, scalable, and user-friendly solutions for clients worldwide. I specialize in creating seamless experiences across web and mobile platforms, backed by a product-focused approach and a commitment to quality. Services I Offer: • Web Development: Frontend (React, Vue.js) and backend (Java, Node.js, Python). • Mobile App Development: Native Android, iOS, and Flutter cross-platform solutions. • App Publishing: Developer account and Google Play publishing services. Why Choose Me? 1. Proven Expertise: 10+ years in app development with strong Java backend and React frontend capabilities. 2. Cross-Platform Mastery: Proficient in Android, iOS, and Flutter, ensuring compatibility across platforms. 3. Product-Driven Approach: Focus on UI/UX details and actionable improvements for impactful results. 4. RESTful API Excellence: Secure, scalable, and efficient service design tailored to your needs. 5. Reliability: Timely delivery, professional communication, and full-time availability. My experience Java Developer 10+ years Android Developer 10+ years React Developer 2+ years Flutter Developer 2+ years Python Developer 1+ years Let’s work together to bring your ideas to life with innovative, high-quality solutions!
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Portfolio

Portfolio

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Ukaguzi
Hakuna maoni ya kuona hapa!
Uzoefu
Full stack developer
Des, 2022 - Okt, 2024
1 year, 10 months
Tripalink
Des, 2022 - Okt, 2024
1 year, 10 months
• App Development: Led the design and development of new features for two app products, optimized the technical framework, and implemented a cross-platform solution using Flutter to ensure consistent user experience. • Frontend Development: Spearheaded the frontend development of the company's CRM system using advanced technologies such as React, TypeScript, and GraphQL. • Backend Development: Led backend interface and feature development for the CRM system, leveraging SpringBoot, Mybatis.
Bedera ya
beijing, China
Des, 2022 - Okt, 2024
1 year, 10 months
Android Developer
Jun, 2020 - Jul, 2022
2 years, 1 month
Longfor Group
Jun, 2020 - Jul, 2022
2 years, 1 month
• App Development: Oversaw the architecture design of the Longzhu app, leading the team from scratch to completion, ensuring modular maintainability and reusability. • Performance Optimization: Enhanced app launch speed by 40% through asynchronous loading and caching optimizations; achieved a 0.05% crash rate and 80% instant page loading rate.
Bedera ya
beijing, China
Jun, 2020 - Jul, 2022
2 years, 1 month
Elimu
Hunan Normal University
2002 - 2006
4 years
Bachelor of Applied Science (BASc)
Bedera ya
China
2002 - 2006
4 years
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