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Amazon Web Services Chatbot Machine Learning (ML) Python Software Architecture
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Yu X.

@xuezhe315

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4,8
10

5,2

5,2

100%

🏆Top 1 % AI | Web & Mobile Developer

$30 USD / Stunde

Flagge von

China (10:43 AM)

Joined on Mai 21, 2025

1 Empfehlungen

$30 USD / Stunde

I am a seasoned software engineer with a proven track record of delivering cutting-edge, user-centric digital solutions for startups, enterprises, and global brands. My work spans the entire software development lifecycle — from ideation and architecture to deployment and optimization — with a focus on modern web, mobile, and AI-driven applications. Over the years, I’ve mastered the art of blending aesthetics, performance, and scalability, ensuring every project I touch not only meets technical requirements but also drives measurable business growth. 🔹 My Core Expertise Web Development (Frontend & Backend) Modern JavaScript frameworks: React.js, Vue.js, Next.js Backend mastery: Node.js, Django, FastAPI, Laravel Styling & UI: Tailwind CSS, Material UI, custom component libraries REST & GraphQL APIs, real-time applications, PWA development Mobile Development Cross-platform excellence: React Native, Expo, Flutter High-performance native integrations Pixel-perfect, responsive mobile UI/UX Artificial Intelligence & Machine Learning Natural Language Processing (NLP), computer vision, predictive modeling Custom model training & deployment (TensorFlow, PyTorch, scikit-learn) GPT, Vertex AI, OpenAI API integrations for chatbots, automation & intelligent decision-making Data pipelines, analytics dashboards, AI-powered automation Cloud & DevOps AWS, GCP, Azure deployment & scaling Docker, Kubernetes, CI/CD pipelines, serverless architectures PostgreSQL, MySQL, MongoDB, Firebase 💼 Why Clients Choose Me Proven Delivery: Successfully led 20+ full-scale projects from concept to production. Business-Driven Mindset: I translate technical complexity into real-world business outcomes. Scalable Solutions: Architected systems that support millions of users without compromising performance. Transparent Communication: Clear, proactive, and client-focused at every stage. Whether you’re launching a high-growth SaaS platform, building an AI-powered mobile app, or modernizing your digital ecosystem, I bring a unique blend of deep technical expertise and strategic thinking to turn complex visions into flawless reality.

Überprüfungen

Pünktlich

68 %

Im Budget

98 %

Annahmequote

77 %

Wiederholungsquote beim Engagieren

10 %

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Portfolio

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4.8 · 10 Rezensionen
Bewertungen
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Gaeilge Dictionary Development with ChatGPT-5 €374 EUR

Excellent experience, will be working with Yu again.

Eamon C.

@eco20112011

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Dublin, Ireland

vor 1 Monat

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AI-POWERED BLOCKCHAIN NEWS TRUTH ENGINE -- 2 $500 USD

Yu is really great AI engineer with extensive knowledge in LLM development. Highly recommend him. I want to keep working with him. Thanks again.

Yuri D.

@yuriddd

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Odesa, Ukraine

vor 3 Monaten

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F

AI Sky Replacement Pipeline + Dataset Creation $1.200 USD

Yu was effort a lot to complete project. After handle technical issues we have completed the project. Thnx Yu.

Erkan Y.

@fotoeko1

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KUTA SELATAN, Indonesia

vor 4 Monaten

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D

Fix RAG Chatbot Tokens $100 USD

Knows his stuff and delivered an outstanding outcome on time.

Joshua P.

@Datonyx5

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Melbourne, Australia

vor 5 Monaten

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P

Python AI RESTful Web App -- 2 $750 USD

Good job. Intelligent and expert in many fields

Phani V.

@phanivedula

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Conroe, United States

vor 6 Monaten

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Erfahrung

Senior Full Stack Developer

Jan., 2022 - Apr., 2025

3 Jahre, 2 Monate

Shenyang CloudTech Solutions

Jan., 2022 - Apr., 2025

3 Jahre, 2 Monate

Led development of a financial compliance portal for a government client using Node.js, Express, and React. Built RESTful APIs for loan approval workflows, integrated third-party APIs (credit checks, payment providers), and designed real-time reporting dashboards. Optimized PostgreSQL queries and MongoDB structures for high-volume transactions. Tech stack: Node.js, Express, React, MongoDB, PostgreSQL, AWS, GraphQL, API Gateway.

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Shenyang, China

Jan., 2022 - Apr., 2025

3 Jahre, 2 Monate

Senior Back End Developer

Jan., 2017 - Dez., 2021

4 Jahre, 11 Monate

Liaoning Digital Systems

Jan., 2017 - Dez., 2021

4 Jahre, 11 Monate

Architected backend services for loan processing and eligibility verification. Implemented real-time payment tracking using Node.js, PostgreSQL, and AWS serverless. Integrated payment gateways (Stripe, PayPal APIs) and built secure configuration options. Delivered daily reports and analytics dashboards for portfolio monitoring. Mentored junior developers on secure coding and compliance-ready API design. Tech stack: Node.js, TypeScript, Nest.js, Express, GraphQL, PostgreSQL, REST APIs.

Flagge von

Shenyang, China

Jan., 2017 - Dez., 2021

4 Jahre, 11 Monate

Mid-Level Back End Developer

Okt., 2014 - Dez., 2016

2 Jahre, 2 Monate

Shenyang FinTech Innovations

Okt., 2014 - Dez., 2016

2 Jahre, 2 Monate

Developed custom fintech-style apps for retail/finance clients, integrating with Shopify and payment providers. Built GraphQL and REST APIs for transaction processing. Implemented fraud detection pipelines (Kafka + Redis + anomaly models). Automated repayment and delinquency alerts with cron-based workflows. Tech stack: Node.js, PHP (Laravel), MongoDB, SQL, Redis, Vercel, Prisma, GraphQL.

Flagge von

Shenyang, China

Okt., 2014 - Dez., 2016

2 Jahre, 2 Monate

Bildung

Shenyang University

2006 - 2010

4 Jahre

Bachelor's Degree in Computer Science

Flagge von

China

2006 - 2010

4 Jahre

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