Are you looking to build a high-performance SaaS platform, automate a complex supply chain, or integrate secure, production-ready AI into your business workflow?
Many developers can write code, but very few understand how to seamlessly blend cutting-edge AI/ML systems with scalable, enterprise-grade architecture while ensuring strict data security (HIPAA, PCI-DSS).
I am a Full-Stack Developer and AI/ML Engineer with extensive experience architecting end-to-end solutions for SaaS, Supply Chain, Healthcare (HIS/HMS), and custom ERP systems. Whether you need to build an MVP from scratch or scale an existing enterprise platform, I deliver clean, maintainable code and robust infrastructure.
๐ Core Expertise & How I Can Help You:
AI/ML & GenAI Integration: Building intelligent RAG systems, custom chatbots, and LLM-powered workflows using OpenAI, Anthropic, LangChain, and Vector Databases (Pinecone, Qdrant).
Robust Backend & Architecture: Designing secure, high-throughput microservices and APIs using Node.js (NestJS), Python (FastAPI/Django), and PHP, backed by PostgreSQL, MongoDB, or Redis.
Modern, Responsive Frontends: Crafting seamless web and mobile interfaces using React, Next.js, Angular, Vue.js, and React Native.
Cloud, DevOps & Compliance: Deploying production-ready applications on AWS/GCP/Docker with CI/CD pipelines, keeping security and regulatory standards (HIPAA, GDPR) at the forefront.
๐ ๏ธ Technical Snapshot:
Frontend: React, Next.js, Angular, Vue.js, React Native, Tailwind CSS
Backend: Node.js (NestJS/Express), Python (FastAPI/Django), PHP, Java
AI/ML: LLMs, LangChain, Vector DBs, Prompt Engineering, RAG Systems
Cloud & Databases: AWS, GCP, Docker, Kubernetes, PostgreSQL, MySQL, MongoDB, Redis
Letโs build something scalable. Click the "Invite to Job" or "Hire" button on the top right, and letโs discuss how we can bring your project to life.
Docker
React
Node.js
NestJS
Python
FastAPI
Angular
Artificial Intelligence
Generative AI
LangChain
Large Language Model
Vector Database
PostgreSQL
Amazon Web Services
REST API
SaaS Development
ERP Software
Supply Chain Management
Healthcare IT
HIPAA
Tauhidur R.
Seri Kembangan, Malaysia
$20/hr
5.0
32 jobs
Looking for a Senior Full-Stack JavaScript and TypeScript Engineer who leverages AI-native development workflows like Claude Code and Cursor to ship features three times faster? Or do you need to build intelligent AI features into your SaaS platform, Fintech tool, or Enterprise dashboard?
I deliver scalable, high-performance web applications on time. With 7+ years of professional software engineering experience, I specialize in the end-to-end React and Node.js ecosystem. By combining senior-level architectural patterns with modern AI-assisted engineering, I help startup founders and enterprise product teams eliminate technical debt, optimize performance, and ship production-ready code with minimal hand-holding.
๐ ๏ธ AI-NATIVE DEVELOPMENT AND EXPERTISE
* Agentic Engineering: Expert workflows utilizing Claude Code, Cursor, and Copilot tools to accelerate development, refactor legacy codebases, and hit tight deadlines without sacrificing quality.
* AI Feature Integration: Integrating LLM APIs including Anthropic Claude and OpenAI, building RAG pipelines, managing vector embeddings, and setting up automated workflows.
๐ ๏ธ CORE ARCHITECTURE AND WHAT I BUILD
* Full Stack Web Apps and MVPs: Scalable architectures built with React 18, Next.js, and Node.js.
* Frontend Engineering: Next.js App Router for server-side rendering, clean state management with Zustand, Redux Toolkit, and React Query, plus pixel-perfect UI execution.
* Backend Services and APIs: Production-grade REST or GraphQL API Architecture engineered using Node.js and NestJS.
* Database Optimization: High-throughput data layouts utilizing PostgreSQL, MongoDB, PgBouncer, query indexing, and Redis caching.
* Cloud Infrastructure and DevOps: Seamless deployments via AWS cloud systems (ECS, Lambda, CloudFront), Vercel infrastructure, Docker environments, and automated GitHub Actions pipelines.
* Integrations and Security: Stripe Payments, secure OAuth 2.0 authentication frameworks, JWT tokens, role-based access control, and automation flows.
* Mobile Development: Cross-platform mobile applications utilizing React Native or Flutter when required.
๐ PROVEN RESULTS FROM RECENT PROJECTS
* SaaS Wealth Advisory Platform (Fintech Industry)
* Delivered a SOC 2 and GDPR compliant multitenant SaaS system supporting 10,000+ concurrent users.
* Achieved 99.9% uptime using NestJS, React, PostgreSQL, Redis, Docker, and GitHub Actions workflows.
* Healthcare Management Systems (Government Hospitals)
* Led the full-stack engineering and frontend architecture for major public hospital platforms.
* Built a secure, highly maintainable interface using React 18, Next.js, NestJS, and TypeScript.
* Open Banking Infrastructure Migration (Fintech Industry - UK)
* Migrated legacy infrastructure to Next.js and TypeScript, fully complying with regional Open Banking standards.
* Reduced technical debt by 40% and improved database performance by 40% via strategic query optimization, indexing, and PgBouncer connection pooling.
๐ก WHY CLIENTS PREFER WORKING WITH ME
* Hyper-Efficient Delivery: By integrating agentic coding tools into my daily workflow, I dramatically cut down debugging and scaffolding time, passing those cost and speed efficiencies directly to you.
* Async-First Efficiency: Seamless collaboration across international time zones without communication gaps.
* Absolute Transparency: I communicate clearly, flag engineering bottlenecks early, and focus on business outcomes.
* High Reliability: Clean, well-documented code that prevents duplicate data entry and secures user data.
If you are building a web application, scaling a software platform, or looking to inject AI capabilities into your tech stack, let's talk.
Docker
MySQL
MongoDB
TypeScript
Redux
Next.js
Node.js
ExpressJS
React
React Native
AWS Lambda
NestJS
PostgreSQL
Material UI
Vue.js
Fastify
FinTech
SaaS
GraphQL
Lo H.
Bayan Lepas, Malaysia
$25/hr
5.0
7 jobs
Senior Full-Stack Developer | AI/LLM ยท AWS ยท React ยท Node.js
Experiences:
- Working on migrating 10+ million user profiles into another system
- Experience in develop a frontend system (ReactJS) that able to serve for millions of user
- Experience in building multiple REST API using different framework such as Typescript nodejs, PHP laravel, Java Spring, C# dotNet to consumed by frontend team
- Developed downtime page (ReactJS) that will shown up during system maintenance (combination of cloudflare worker, AWS cloudfront and AWS S3)
- Implemented pub/sub design pattern on AWS (SNS, SQS, Lambda) to handle on data sync between new and old system
- Developed backend admin system (C# dotNet MVC) for CS to perform their daily jobs
- Developed mobile games (Unity3D, cocos2D) that are launched on china market that bring in a huge revenue to company
- Maintain and enhance existing mobile app that doing car selling (Same as carlist.my)
- Worked with analytics team to implement data tracking (omniture, hotjar, tealium) to better understand user behaviour
- Implemented monitoring tools (datadog, newrelic, logentries) into existing system for better visualisation on system health
- Developed LLM-powered applications using LangChain and LangGraph, implementing RAG architecture with vector databases, integrating with WhatsApp, and securing authentication via Auth0 (OAuth2/JWT)
Tech Stack:
Frontend: ReactJS, AngularJS
Backend: Node.js, Laravel, .NET, Spring Boot
Languages: TypeScript, PHP, Java, C#
Cloud & DevOps: AWS, Cloudflare, CI/CD
AI / LLM: LangChain, LangGraph, RAG Architecture
Architecture: Microservices, Event-Driven Systems, REST APIs
Docker
API Integration
Amazon Web Services
PHP
React
C#
Node.js
DevOps
Cypress
Automated Testing
Erfan R.
Kuala Lumpur, Malaysia
$33/hr
5.0
10 jobs
Senior Full-Stack Developer with experience across the entire software lifecycleโfrom requirement engineering and system architecture to frontend development and cloud deployment. Proven ability to work effectively as an independent developer or as a technical lead for specific modules.
Technical Stack
Frontend: Next.js, React, Angular, TypeScript
Backend: NestJS, FastAPI, Spring Boot, Node.js
Cloud/DevOps: AWS (Fargate, S3, EC2), Docker, Kubernetes, Nginx, CI/CD
Databases: PostgreSQL, Redis, MongoDB (Vector Search/RAG), Qdrant
Specialized Experience
Microservices: Designing and managing distributed, high-concurrency architectures.
Automation & Scraping: Building distributed web crawlers (Scrapy/Playwright) and automated e-KYC/verification systems.
AI Integration: Implementing RAG models, LangChain, and machine learning model productionalization.
Lifecycle Management: Handling projects from initial requirements through to production-scale deployment and maintenance.
Qualifications
4 Years of Professional Experience as a lead developer on high-scale projects.
Master of Computing (Research) โ Multimedia University
B.S. in Computer Science (Honors) โ Multimedia University
Software Architecture & Design
Full-Stack Development
Distributed Computing
Machine Learning
Web Crawling
Han Shyong L.
Selangor, Malaysia
$55/hr
4.9
33 jobs
** Ready Solutions **
1. TradingView Bridge to IBKR - Webhook automation to IBKR order placement with simple setup and robust reliability.
2. OpenClaw X Interactive Brokers - OpenClaw place order to Interactive Brokers through Xerolite
We are a team of seasoned professionals delivering intelligent, web-based trading automation systems. With over 20 years of experience in IT and deep expertise in Interactive Brokers (IBKR), algorithmic trading, cloud environments, and AI integration, we build tailored, high-performance solutions that give our clients a competitive edge in the markets.
** Core Skill Set **
- Programming: Java, Python, React, Spring Boot
- AI & LLM Integration: LangChain, OpenAI, RAG (Retrieval-Augmented Generation)
- Custom agent workflows and chatbot integrations
- Financial document Q&A and signal-triggered automation
- Broker Integration: IBKR TWS API, IB Gateway, Crypto Exchanges (Binance, Bybit, etc.)
- Cloud & DevOps: Google Cloud, AWS, Huawei Cloud, Docker, Kubernetes, CI/CD
- System Architecture: Real-time trading engines, REST/WebSocket APIs, scalable backend services
** AI & LLM-Powered Use Cases **
- LLM-Driven Strategy Interface: Natural language interaction to retrieve or trigger trading logic
- Custom Chatbots: Embedded assistants for trading platforms using LangChain + RAG
- Financial Document Automation: Use AI to summarize filings, detect events, or trigger trade actions
- Knowledge Bases: Build RAG pipelines for real-time financial knowledge retrieval
- Auto Decision Systems: Integrate AI agents to assist or automate signal generation and execution
** Supported Asset Classes **
Forex | Stocks | Futures | Options | Cryptocurrency
** Trading Algorithm Types **
- Technical Analysis: Multi-indicator strategies
- Arbitrage: Multi-broker & cross-asset execution
- AI & NLP: LLM-enhanced workflows, RAG for decision support
- External Signal Integration: TradingView, Telegram, Email, API, Custom forums
** Solutions **
1. Trade Management System (IBKR/Exchanges)
Unified interface for execution, analytics, backtesting, and automation.
2. Master-Slave Trade Copier
Multi-user real-time trade sync with controls on quantity/IP/risk limits.
3. LLM Chatbot + Trading System
AI assistant for strategy explanation, signal insights, or user-guided automation using LangChain + OpenAI.
4. Backtesting & Strategy Validation App
Evaluate strategies across assets with flexible parameter tuning and visualization.
** Notable Project Experience **
- Web-based trading bot systems with automation and live sync
- AI-enhanced trade analytics platform
- Data pipeline integrations with financial APIs and data sources
- LangChain-powered assistants embedded in trading dashboards
- Real-time dashboards, order tracking, and transaction audit logs
- Financial document processors with RAG for summaries and decisions
** Why Work With Me? **
- LLM + LangChain + RAG Expertise for Fintech
- Full-Stack Developer with Deep Trading Domain Knowledge
- Cloud-Native Deployment with DevOps Best Practices
- Seamless Broker & Market Data Integration
- Top-Rated on Upwork with Proven Results
- Transparent Communication & Scalable Solutions
** Letโs Connect **
If you're looking for a partner who bridges fintech and AI, weโre here to build scalable, intelligent systems that turn your trading vision into reality.
Java
Python
Bot Development
Trading Automation
Trading Strategy
Derivatives Trading
Crypto Exchange Platform
Forex Trading
API Integration
Scripts & Utilities
Machine Learning
Deep Learning
Artificial Intelligence
Quantitative Finance
Raihan U.
Shah Alam, Malaysia
$10/hr
5.0
2 jobs
๐๐ช๐ก๐ก-๐๐ฉ๐๐๐ ๐ฟ๐๐ซ๐๐ก๐ค๐ฅ๐๐ง | ๐๐ค๐๐.๐๐จ, ๐๐ฎ๐ฅ๐๐๐๐ง๐๐ฅ๐ฉ, ๐๐๐ญ๐ฉ.๐๐จ, ๐๐ค๐จ๐ฉ๐๐ง๐๐๐๐
I'm a full-stack developer who builds production-ready web applications end-to-end โ from database schema design to deployed frontend. My core stack is TypeScript, Node.js/Express, Next.js, and PostgreSQL with Prisma ORM, and I focus on systems that actually hold up in production, not just in a demo.
๐ช๐๐๐ง ๐๐๐ง๐ฆ ๐๐จ๐๐๐ง
- MERN Stack Web Development
- AI-Powered Web Applications
- AI API Integration (OpenAI, Gemini, Claude & More)
- SaaS Platforms & Startup MVPs
- Custom Web Applications
- Database Design & Optimization (PostgreSQL, Prisma)
- Bug Fixes, Performance Optimization & Code Refactoring
- SaaS platform development: multi-tenant architecture, subscription billing, role-based access
- MVP development: full-stack SaaS MVPs delivered fast
- Next.js development: App Router, SSR, SSG, ISR, API routes
- React development: dashboards, SPAs, admin panels, TypeScript, Tailwind CSS, shadcn/ui
- NestJS development: REST API, GraphQL API, microservices
- Full-stack development: end-to-end Next.js, React, Node.js, NestJS apps
- Authentication & authorization: JWT, OAuth, refresh token rotation, RBAC
- Stripe integration: subscriptions, Stripe Connect, webhooks
- Admin dashboard development: data-heavy, high-performance interfaces
- Real-time app development: WebSockets, Socket IO
- Figma to code: pixel-perfect UI
- Cloud and DevOps: AWS, Docker, Vercel, CI/CD, GitHub Actions
๐พ๐๐๐ ๐ฐ'๐ ๐๐๐๐๐๐ ๐๐:
Production-grade auth systems: JWT rotation, refresh token families, account lockout, OTP flows
Complex Prisma schema design โ multi-model, multi-enum, named relations
Role-based access control (RBAC)
Third-party integrations: Stripe, Cloudinary, Neon Postgres, LLM/Dify tool-calling
Debugging production issues โ route-ordering bugs, middleware edge cases, deployment-specific errors โ by tracing the actual root cause instead of patching symptoms
๐ผ ๐ค๐๐๐ ๐๐๐๐๐ ๐ ๐กโ๐ ๐๐ข๐๐ ๐ ๐ก๐๐๐ ๐๐๐ ๐๐๐๐ ๐๐๐๐ข๐ก ๐๐๐๐-๐ก๐๐๐ ๐ ๐ก๐๐๐๐๐๐ก๐ฆ: ๐๐๐๐๐ ๐๐๐โ๐๐ก๐๐๐ก๐ข๐๐, ๐๐๐๐๐ก๐๐๐๐๐๐๐ ๐๐๐๐, ๐๐๐ ๐ ๐ฆ๐ ๐ก๐๐๐ ๐กโ๐๐ก ๐๐๐'๐ก ๐๐๐๐๐ ๐๐ ๐ฆ๐๐ข๐ ๐๐๐๐๐ข๐๐ก ๐๐๐๐ค๐
full stack developer | website development | web application | software developer | web app development | backend developer | custom website | full stack website | build website | front end developer | web developer | mern stack developer | software development | create website | business website | frontend developer | web app | saas developer | nodejs | full stack | website builder | mern stack | javascript | website developer | ai website | html css | website design | ai web application | figma to wordpress | front end | nodejs backend | saas development | api integration | react website | angularjs | responsive design | ecommerce website | nextjs | rebuild website | back end developer | web app developer | ai web app | ai developer | react | database design database programming | react js | react developer | wix code | payment | custom design | automation | build website | custom | website design | react nextjs | javascript developer | react frontend | docker | aws cloud | deployment | api | rest api | github | web application |app development | bug fixing | react developer | custom web app | nextjs developer | ci cd pipeline |next js | react js | react developer | software developer | full stack developer | react | web app | next js developer | javascript | nextjs | figma to react | frontend developer | saas | reactjs | custom website | web developer | crm | typescript | ai developer | tailwind css | react web app | responsive web | react front end | web hosting | full stack dev | front end website
Next.js
API Integration
Stripe
React
Node.js
TypeScript
MongoDB
PostgreSQL
User Authentication
Web Application
Web Development
REST API
Vercel
Web Application Development
Tailwind CSS
CSS
HTML
JavaScript
HTML5
AI Bot
How it works
Post a job for freePost a job
Tell us what you need. Create your own job post or generate one with AI then filter talent matches.
Hire top talent fast
Consult, interview, and hire quickly, so you can meet the freelancers you're excited about.
Collaborate easily
Use Upwork to chat or video call, share files, and track project progress right from the app.
Payment simplified
Manage payments in one place with flexible billing options. Only pay for approved work, hourly or by milestone.
Don't just take our word for it
โUpwork provides an umbrella-level of security. I can see a talentโs work history and ratings. I can hold payments in escrow. I can communicate through Upwork Messages instead of working through my email address.โ
KD
Kim Darling
Emerald Tiger
โUpwork is the best platform to hire skilled professionals when we're not looking for a full-time employee. All the companies in our portfolio use Upwork to find talent across a wide range of fields.โ
DM
David Merry
Kinetic Investments
โOur very specific requirements can be a challengeโWith Upwork, weโre able to access a bigger community to ensure the success of our projects.โ
KK
Katja Krohn
Summa Linguae
How do I hire a Docker Developer in Malaysia on Upwork?
You can hire a Docker Developer in Malaysia on Upwork in four simple steps:
Create a job post tailored to your Docker Developer project scope. We'll walk you through the process step by step.
Browse top Docker Developer talent on Upwork and invite them to your project.
Once the proposals start flowing in, create a shortlist of top Docker Developer profiles and interview.
Hire the right Docker Developer for your project from Upwork, the world's largest work marketplace.
At Upwork, we believe talent staffing should be easy.
How much does it cost to hire a Docker Developer?
Rates charged by Docker Developers on Upwork can vary with a number of factors including experience, location, and market conditions. See hourly rates for in-demand skills on Upwork.
Why hire a Docker Developer in Malaysia on Upwork?
As the world's work marketplace, we connect highly-skilled freelance Docker Developers and businesses and help them build trusted, long-term relationships so they can achieve more together. Let us help you build the dream Docker Developer team you need to succeed.
Can I hire a Docker Developer in Malaysia within 24 hours on Upwork?
Depending on availability and the quality of your job post, it's entirely possible to sign up for Upwork and receive Docker Developer proposals within 24 hours of posting a job description.