๐ ๐๐จ๐ฉ ๐๐๐ญ๐๐ ๐๐ฅ๐ฎ๐ฌ | ๐ ๐๐๐% ๐๐จ๐ ๐๐ฎ๐๐๐๐ฌ๐ฌ ๐๐๐ญ๐ | โญ ๐-๐๐ญ๐๐ซ ๐๐๐ญ๐ข๐ง๐ ๐ฌ | ๐ ๐ ๐ฎ๐ฅ๐ฅ-๐๐ข๐ฆ๐ ๐๐ฏ๐๐ข๐ฅ๐๐๐ข๐ฅ๐ข๐ญ๐ฒ | โ ๐๐๐ซ๐ข๐๐ข๐๐๐ฅ๐ ๐๐ซ๐จ๐ฃ๐๐๐ญ๐ฌ
Iโm a results-driven ๐ ๐ฎ๐ฅ๐ฅ-๐๐ญ๐๐๐ค ๐๐๐ , ๐๐จ๐๐ข๐ฅ๐ & Salesforce ๐๐๐ฏ๐๐ฅ๐จ๐ฉ๐๐ซ with expertise in AI-driven development (Cursor), DevOps, and scalable cloud solutions. I offer complete solutions from architecture to deployment with a focus on performance, scalability, and user experience.
๐ผ I also assist with ๐๐ฅ๐จ๐ฎ๐ ๐ก๐จ๐ฌ๐ญ๐ข๐ง๐ , ๐๐ฉ๐ฉ ๐๐ญ๐จ๐ซ๐ / ๐๐ฅ๐๐ฒ ๐๐ญ๐จ๐ซ๐ ๐๐๐ฉ๐ฅ๐จ๐ฒ๐ฆ๐๐ง๐ญ, ๐๐ง๐ ๐ข๐ง๐ญ๐๐ ๐ซ๐๐ญ๐ข๐ง๐ ๐ญ๐ก๐ข๐ซ๐-๐ฉ๐๐ซ๐ญ๐ฒ services into your platform.
๐ ๐๐จ๐ฆ๐ฆ๐จ๐ง ๐ข๐ง๐ญ๐๐ ๐ซ๐๐ญ๐ข๐จ๐ง๐ฌ ๐ ๐ฐ๐จ๐ซ๐ค ๐ฐ๐ข๐ญ๐ก:
Google | Firebase | Stripe | Zoom | PayPal | Salesforce | ChatGPT | Agora | Google Maps | Calendar | Socket
๐ ๏ธ ๐๐๐๐ก ๐๐ญ๐๐๐ค ๐๐ฏ๐๐ซ๐ฏ๐ข๐๐ฐ
๐ ๐ซ๐จ๐ง๐ญ๐๐ง๐:
JavaScript/TypeScript (React.js, Next.js, React Native, jQuery, Redux, Tailwind, Shadcn UI)
๐๐๐๐ค๐๐ง๐:
Node.js, Nest.js, Express, MongoDB, Mongoose, MySQL, PostgreSQL, Firebase, GraphQL, Django, Django REST Framework
๐๐๐ & ๐-๐๐จ๐ฆ๐ฆ๐๐ซ๐๐:
Shopify, WordPress, WooCommerce
๐๐ & ๐๐ง๐ญ๐๐ ๐ซ๐๐ญ๐ข๐จ๐ง๐ฌ:
ChatGPT, OpenAI, Azure, Google APIs, Zoom SDK, Salesforce, Stripe, Agora io, Socket io
๐๐๐ฌ๐ญ๐ข๐ง๐ & ๐๐๐ฉ๐ฅ๐จ๐ฒ๐ฆ๐๐ง๐ญ:
Docker, Jest, Mocha, Chai, Vercel, Nginx, AWS (Lambda, CDK, CloudFormation, API Gateway), GCP, GitLab CI, GitHub Actions
๐๐๐ฏ ๐๐จ๐จ๐ฅ๐ฌ & ๐๐ซ๐๐๐ญ๐ข๐๐๐ฌ:
Git, npm, Webpack, Babel, Agile/Scrum, Jira, ClickUp
๐ Letโs collaborate to ๐๐ซ๐ข๐ง๐ ๐ฒ๐จ๐ฎ๐ซ ๐ข๐๐๐๐ฌ ๐ญ๐จ ๐ฅ๐ข๐๐ across ๐ฐ๐๐, ๐ฆ๐จ๐๐ข๐ฅ๐, ๐๐ง๐ ๐๐ฅ๐จ๐ฎ๐.
React Native
Mobile App Development
React
Node.js
JavaScript
Gatsby.js
ExpressJS
Python
SCSS
Next.js
MongoDB
Tailwind CSS
PSD to HTML
Front-End Development
Pengfei D.
Beijing, China
$30/hr
4.9
57 jobs
I am an AI Solutions Architect, RAG Specialist, AI Agent Developer, and Senior DevOps Engineer with over 15 years of cross-industry experience, including automotive, telecommunications, retail, digital agriculture, e-commerce, and enterprise IT consulting.
My expertise lies in integrating cutting-edge AI technologies with robust cloud infrastructure to build scalable, reliable, and business-driven intelligent systems.
โธป
๐ AI / LLM / Agent Expertise
AI Agents & Automation Systems
Experienced in designing and building end-to-end intelligent agent workflows using:
โข n8n, Agno, Composio
โข LangChain, PydanticAI
โข Multi-agent collaboration architectures
โข Enterprise automation & workflow orchestration
Retrieval-Augmented Generation (RAG)
Deep expertise across the entire RAG stack:
โข Enterprise knowledge bases
โข Document ingestion (PDF, HTML, Confluence, SharePoint, email, etc.)
โข Vector databases (Qdrant, Pinecone, Milvus, LanceDB)
โข Multi-modal retrieval
โข Latency/accuracy optimization for production RAG pipelines
Large Language Models (LLMs)
Hands-on experience with:
โข Azure AI Foundry / Azure OpenAI
โข Google Gemini
โข Anthropic Claude
โข DeepSeek
โข Alibaba Qwen (DashScope)
Expert in prompt engineering, tool integrations, agent planning, and Model Control Protocol (MCP).
Model Deployment & Infrastructure
โข On-prem / hybrid / cloud model hosting
โข LLM traffic routing & gateway design
โข Cost optimization strategies
โข Enterprise security, audit, and compliance
โธป
๐ ๏ธ DevOps / Cloud / SRE Expertise
โข Kubernetes: ACK, AKS, EKS, GKE, K3s
โข Cloud: AWS, Azure, GCP, Alibaba Cloud
โข IaC: Terraform, Terragrunt, Crossplane
โข CI/CD: GitHub Actions, GitLab CI, Azure DevOps
โข Observability: Prometheus, Grafana, Thanos, ELK, CloudWatch
โข Secure infrastructure: IAM, VPC, RBAC, Secrets management
โข High availability, auto-scaling, service mesh (Istio / Kuma)
โธป
๐ป Software Development Skills
โข Backend: Go, Python, Node.js, Java
โข Frontend: React, Next.js, Vue
โข API Design: REST, GraphQL, gRPC
โข Automation: Shell, Python, TypeScript
โข Databases: PostgreSQL, MySQL, Redis, MongoDB
Capable of delivering full life-cycle development from architecture to deployment.
โธป
๐ Industry Certifications
โข AWS Certified Solutions Architect โ Professional
โข Microsoft Certified (Azure Fundamentals & Professional)
โข HashiCorp Certified: Terraform Associate
โข Certified Kubernetes Administrator (CKA)
โข SAFeยฎ 5 DevOps Practitioner
โธป
๐ Key Strengths
โข Strong cross-cultural communication; extensive experience with global teams
โข Deep understanding of Chinaโs technology ecosystem, compliance, and cloud environment
โข Ability to bridge business needs with technical execution
โข Proven record of delivering complex projects with clarity and leadership
โข Customer-centric mindset with a focus on long-term value
โธป
โก My Value Proposition
I help organizations:
โข Build advanced AI Agent automation systems
โข Deploy enterprise-grade RAG knowledge platforms
โข Establish modern DevOps & cloud-native infrastructure
โข Integrate AI into real-world workflows
โข Improve engineering efficiency, reduce operational costs, and scale intelligently
I specialize in turning complex technical problems into simple, stable, and effective solutions.
โธป
๐ค Letโs Work Together
If youโre looking to enhance your business with AI, automation, or modern cloud engineering, I can help you design and deliver a solution tailored to your goals.
React
Node.js
Terraform
Microsoft Azure
Amazon Web Services
Infrastructure as Code
Python
Java
Alibaba Cloud
DevOps
Spring Boot
Continuous Integration
Kubernetes
Google Cloud Platform
Golang
Adnan H.
Chengdu, China
$20/hr
5.0
17 jobs
๐ฅ ๐ ๐๐๐-๐๐๐๐ ๐ ๐๐๐๐๐๐๐๐๐ โ Available 40+ hours/week
โ 5+ Years of Experience in Mobile App Development
โ 20+ Successful Apps Released
โ Certified Mobile App Developer | Top US Companies
โ Proven 42% ROI with On-Time & Cost-Effective Delivery
โ AI-Powered Solutions: Chatbots, Predictive Analytics & Personalized UX
๐ Hi! Iโm Adnan Haider, a Mobile App Developer with 5 years of hands-on experience in React Native. I specialize in building high-performance Kiosk, tablet, iPad, and mobile applications with seamless functionality for both iOS and Android platforms.
With a strong track record in cross-platform development, I have worked across various industries, including Healthcare, Event Management, E-commerce, FinTech, Education, Fitness, Real Estate, Retail, Travel, Media & Entertainment, and Logistics.
๐ก ๐๐ก๐ฒ ๐๐ก๐จ๐จ๐ฌ๐ ๐๐?
โณ On-Time Delivery โ Meet deadlines with precision
๐ Business-Oriented Approach โ Focus on increasing conversions & sales
๐ Secure & Scalable Solutions โ Optimized for performance
๐ 100% Satisfaction Guarantee โ I ensure high-quality results
Letโs Make It Happen!
Iโm thrilled about the opportunity to collaborate and bring your vision to life. Whether youโre looking for a state-of-the-art web app, a powerful mobile solution, or expert guidance on frontend architecture, Iโm here to support you every step of the way.
Thank you for considering my profile. I look forward to connecting and getting started!
๐ ๐๐๐๐๐ ๐๐๐๐๐๐๐๐ (FREE!):
โ ๐-๐๐จ๐ง๐ญ๐ก ๐ ๐ซ๐๐ ๐๐ฎ๐ฉ๐ฉ๐จ๐ซ๐ญ
โ ๐-๐๐จ๐ง๐ญ๐ก ๐๐๐ซ๐ซ๐๐ง๐ญ๐ฒ
Skillset
iOS Development | Android App Development | React Native | Expo | Mobile App Development | Health & Wellness | Mobile Device | iOS SDK | Web App Development | React.js | Next.js | Frontend Development | OpenAI | React | Redux | React Hooks | Tailwind CSS | HTML5 | CSS3 | WordPress | jQuery | GraphQL/Apollo | Android Development | IOS Development | Supabase | Zustand | Firebase | nestjs | onesignal | in app purchases | revemueCat | Kotlin.
React Native
Mobile App Development
React
Android App Development
iOS Development
Android Studio
Firebase
Mobile App Redesign
Node.js
Hybrid App
Mobile App Design
Full-Stack Development
Website to Mobile App Conversion
Tian L.
Xi'an, China
$35/hr
5.0
9 jobs
Hi ๐ Are you looking for ๐ฅ๐ฒ๐ฎ๐ฐ๐๐ท๐ | ๐ก๐ผ๐ฑ๐ฒ๐ท๐ developerโI'm Tiana, a ๐ฆ๐ผ๐ณ๐๐๐ฎ๐ฟ๐ฒ ๐ฑ๐ฒ๐๐ฒ๐น๐ผ๐ฝ๐ฒ๐ฟ (Reactjs | Nodejs developer) with a Master's degree in ๐๐ผ๐บ๐ฝ๐๐๐ฒ๐ฟ ๐๐ป๐ด๐ถ๐ป๐ฒ๐ฒ๐ฟ๐ถ๐ป๐ด and over 5 ๐๐ฒ๐ฎ๐ฟ๐ ๐ผ๐ณ ๐ฒ๐ ๐ฝ๐ฒ๐ฟ๐ถ๐ฒ๐ป๐ฐ๐ฒ as a full stack developer. I specialize in creating smooth, user-friendly interfaces using ReactJs, robust and scale-able back-end functionalities using Node.js with both ๐๐ฎ๐๐ฎ๐ฆ๐ฐ๐ฟ๐ถ๐ฝ๐ and ๐ง๐๐ฝ๐ฒ๐ฆ๐ฐ๐ฟ๐ถ๐ฝ๐.
๐ง Skills & Expertise:
โ๏ธ React.js
๐ฏ React Native
๐ Node.js
๐ป Express.js
๐ ๏ธ Vue2.js & Vue3.js
๐๏ธ MongoDB
๐ MySQL
๐ณ Stripe
๐จ CSS3
๐ HTML5
๐ Tailwind CSS
๐งฉ Ant Design
๐ Key Projects & Experience:
1๏ธโฃMERN Stack E-Commerce Project: Developed a full-featured e-commerce platform using the MERN stack (MongoDB, Express, React, Node.js,Stripe), which included product management, user authentication, and a responsive UI.
2๏ธโฃProficient in Full-Stack Development: Extensive experience with JavaScript technologies, encompassing both front-end and back-end development, including integrations with RESTful APIs.
3๏ธโฃTechnical Expertise: Highly skilled in server-side rendering with Next.js, real-time feature development, and creating optimized, responsive designs.
4๏ธโฃPerformance Optimization: Focused on performance enhancement, code quality, and solving complex technical challenges to ensure a seamless user experience.
๐ Why Work With Me?
๐ Detail-Oriented
๐ค Collaborative Team Player
๐ Committed to Continuous Learning
๐ ๏ธ Effective Problem Solver
๐ฌ Letโs Connect!
Iโm excited to discuss your project requirements and explore how we can achieve exceptional results together. Letโs create something amazing!
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