The engineer you call when software, infrastructure, and networking all need to work together.
๐ Senior DevOps Engineer | Backend Developer | Cloud & Platform Engineer
Most technical problems don't exist in a single layer.
An application is slow, but the root cause is the database. A deployment fails because of infrastructure. An API works locally but breaks in production because of networking. AI features underperform because the data pipeline was designed incorrectly.
My background spans software development, cloud infrastructure, Linux systems, networking, automation, and AI integrations, allowing me to build and troubleshoot systems end-to-end.
Over the last 5+ years, I have worked across AWS, GCP, Kubernetes, Docker, Terraform, CI/CD automation, backend APIs, distributed systems, AI-powered applications, and production environments supporting real business operations.
๐ฏ What I Can Help With
โ Backend Development (Node.js, Python, Go, .NET)
โ Cloud Infrastructure (AWS, GCP)
โ Infrastructure as Code (Terraform)
โ Kubernetes & Docker Platforms
โ CI/CD Automation (GitHub Actions, GitLab CI, Jenkins)
โ Linux Administration & Troubleshooting
โ Database Design & Optimization
โ AI & LLM Integrations (OpenAI, RAG, AI Agents)
โ Monitoring, Observability & Reliability Engineering
โ Performance Optimization & Cloud Cost Reduction
๐ง Clients Typically Bring Me In For
โข Building platforms that require both development and infrastructure expertise
โข Solving production issues that span applications, databases, networking, and cloud services
โข Modernizing deployment workflows and DevOps practices
โข Designing scalable cloud-native architectures
โข Integrating AI capabilities into existing products
โข Reducing operational complexity and cloud costs
๐ป Core Technologies
โ๏ธ Cloud
AWS โข GCP โข Azure
โ๏ธ Infrastructure
Terraform โข Docker โข Kubernetes โข ECS โข EKS โข Linux
๐ฅ Backend
Node.js โข Python โข Go โข .NET โข FastAPI
๐ Frontend
Next.js โข React โข TypeScript
๐ Databases
PostgreSQL โข MySQL โข MongoDB โข Redis
๐ DevOps
GitHub Actions โข GitLab CI โข Jenkins โข Monitoring โข Observability
๐ค AI
OpenAI โข LLM Integrations โข RAG Systems โข AI Agents
๐ก I work best with startups, SaaS companies, and engineering teams that need a single engineer capable of owning systems end-to-endโfrom architecture and development to deployment and operations.
๐ข If your project involves software, infrastructure, automation, or AI, let's talk.
Docker
Node.js
Server Virtualization
Google Cloud Platform
JavaScript
Containerization
Network Design
Cloud Computing
Load Balancing
Network Security
AWS Systems Manager
Network Analysis
Kubernetes
Terraform
Python
CI/CD
DevOps
ASP.NET
Golang
Spring Boot
Rami S.
Kuala Lumpur, Malaysia
$10/hr
4.8
52 jobs
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
Raihan U.
Shah Alam, Malaysia
$10/hr
5.0
2 jobs
๐๐๐น๐น ๐ฆ๐๐ฎ๐ฐ๐ธ ๐๐ฒ๐๐ฒ๐น๐ผ๐ฝ๐ฒ๐ฟ | ๐๐๐ด ๐๐ถ๐ ๐ถ๐ป๐ด, ๐๐๐๐๐ผ๐บ ๐๐ฒ๐ฎ๐๐๐ฟ๐ฒ๐, ๐๐ฒ๐ฝ๐น๐ผ๐๐บ๐ฒ๐ป๐ | ๐ฅ๐ฒ๐ฎ๐ฐ๐, ๐ก๐ฒ๐ ๐.๐ท๐, ๐ก๐ผ๐ฑ๐ฒ.๐ท๐ ๐๐ ๐ฝ๐ฒ๐ฟ๐
Hi! I'm your go-to Full Stack Developer for building, fixing, and scaling modern web apps that drive results.
With hands-on experience crafting scalable, production-ready applications from frontend to backend, I specialize in React.js, Next.js, Node.js, and full-stack integrations. Whether you need urgent bug fixes, custom feature development, secure authentication, payment gateways, or seamless deployment, I'll deliver clean, high-performance code that exceeds expectations.
๐ช๐ต๐ ๐๐ต๐ผ๐ผ๐๐ฒ ๐ ๐ฒ?
โข Proven Track Record: Built responsive e-commerce sites, dashboards, and SaaS apps with real-time features, user authentication (JWT/Better Auth), and payment integration (Stripe).
โข Fast Turnarounds: Skilled in debugging complex issues using Chrome DevTools, React Query, and Postmanโoften fixing bugs within hours.
โข End-to-End Ownership: Handles everything from Figma designs to deployment on Vercel/Netlify for a smooth, hassle-free workflow.
โข Clean & Scalable Code: Focused on TypeScript, Tailwind CSS, Shadcn, Prisma ORM, and Go to build robust and maintainable applications.
๐ง๐ฒ๐ฐ๐ต๐ป๐ถ๐ฐ๐ฎ๐น ๐๐ ๐ฝ๐ฒ๐ฟ๐๐ถ๐๐ฒ
๐๐ฟ๐ผ๐ป๐๐ฒ๐ป๐ฑ ๐ ๐ฎ๐๐๐ฒ๐ฟ๐:
React.js, Next.js, Tailwind CSS, Bootstrap, JavaScript (ES6+), TypeScript, Shadcn, Swiper.js, Axios, React Query.
๐๐ฎ๐ฐ๐ธ๐ฒ๐ป๐ฑ ๐ฃ๐ผ๐๐ฒ๐ฟ:
Node.js, Express.js, MongoDB, PostgreSQL, Prisma ORM, REST APIs, JWT, Better Auth.
๐๐ป๐๐ฒ๐ด๐ฟ๐ฎ๐๐ถ๐ผ๐ป๐ & ๐ง๐ผ๐ผ๐น๐:
Stripe Payments, Figma (UI/UX), Git/GitHub, VS Code, Vercel, Netlify, Firebase, NPM, Postman, Adobe Suite (Photoshop, Illustrator, XD, Canva).
๐ช๐ต๐ฎ๐ ๐ ๐๐ฒ๐น๐ถ๐๐ฒ๐ฟ
๐๐๐ด ๐๐ถ๐ ๐ถ๐ป๐ด:
Quick diagnosis and fixes for UI glitches, API errors, performance bottlenecks, or deployment issues.
๐๐๐๐๐ผ๐บ ๐๐ฒ๐ฎ๐๐๐ฟ๐ฒ๐:
User dashboards, authentication systems, payment flows, responsive UI, and API integrations tailored to your requirements.
๐๐๐น๐น ๐ฃ๐ฟ๐ผ๐ท๐ฒ๐ฐ๐๐:
From MVPs to production-ready applications optimized for speed, scalability, and SEO.
๐๐ฒ๐ฝ๐น๐ผ๐๐บ๐ฒ๐ป๐ & ๐ข๐ฝ๐๐ถ๐บ๐ถ๐๐ฎ๐๐ถ๐ผ๐ป:
Deployment on Vercel, Netlify, or Firebase with CI/CD setup, monitoring, and performance tuning.
๐ฅ๐ฒ๐ฐ๐ฒ๐ป๐ ๐ช๐ถ๐ป๐
โข Fixed critical bugs in a Next.js e-commerce app, improved load time by 40%, and integrated Stripe for smooth payments.
โข Built a TypeScript-based real-time dashboard using React Query and deployed it on Vercel within a week.
โข Converted Figma designs into fully responsive Tailwind UI with a Prisma + PostgreSQL backend.
๐๐ผ๐บ๐บ๐ถ๐๐บ๐ฒ๐ป๐
โข 100% satisfaction focus with revisions until youโre happy
โข Clear communication with regular updates and milestone delivery
โข Available for both fixed-price and hourly projects
๐ฅ๐ฒ๐ฎ๐ฑ๐ ๐๐ผ ๐น๐ฎ๐๐ป๐ฐ๐ต?
Send your requirements and letโs build it
๐๐ฒ๐๐๐ผ๐ฟ๐ฑ๐: Full Stack Developer, React Developer, Next.js Expert, Node.js, Bug Fixing, Web App Deployment, Stripe Integration, TypeScript, Tailwind CSS
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
Chevalier Ga Foo T.
Mont Kiara, Malaysia
$27/hr
5.0
4 jobs
Hire a fullstack developer with experience in building agentic RAGs, deploying SaaS dashboards, LLM integrations, Sveltekit apps.
Redis for cross-instance buses, Python text-embedding for wide data distilled responses, Tailwind CSS for accurate UI/UX design reflections, Auth systems with Firebase/Supabase/BetterAuth, AWS services for media conversion, and a keen eye for bugs and customer conversion.
My immediately available stacks:
โข Development - Svelte / Typescript / Tailwind CSS / JS / Go / Flutter / Python
โข DevOps (CI/CD) - Docker / Github Actions / Cloudflare Workers
โข AI-assisted workflow - VSCode + Claude CLI
โข Deployment - Railway / Cloudflare / (minimal) GCP
โข Reporting Tools - Google Analytics / Posthog
โข SEO - On-page / Technical
โข Project Management - Slack / Trello / Asana / Linear
Communications in English / Project work hours follow (GMT+8)
Svelte
TypeScript
Golang
Flutter
JavaScript
Node.js
PostgreSQL
Tailwind CSS
ExpressJS
Python
UX & UI Design
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
Tauhidur R.
Seri Kembangan, Malaysia
$25/hr
5.0
32 jobs
React and Node.js developer with 7+ years building full stack web applications โ SaaS platforms, fintech tools, healthcare systems, and enterprise dashboards โ for clients across Singapore, the UK, and the USA.
I specialise in the JavaScript/TypeScript stack end-to-end: React 18, Next.js (App Router, SSR/SSG), Node.js, NestJS, PostgreSQL, Redis, and AWS. I build things that work at scale, stay maintainable, and are delivered on time.
What clients typically hire me for:
โ Building React/Next.js frontends with clean state management (Redux Toolkit, React Query, Zustand)
โ Developing Node.js/NestJS REST or GraphQL APIs with solid auth (JWT, OAuth 2.0, RBAC)
โ Architecting multitenant SaaS backends with PostgreSQL, Redis caching, and CI/CD pipelines
โ Full-stack feature delivery on existing products โ fast onboarding, minimal hand-holding needed
โ React Native or Flutter mobile apps when mobile is part of the scope
Results from recent projects:
โ Architected a multitenant SaaS wealth advisory platform (SingCapital, Singapore) โ SOC 2 / GDPR compliant, 99.9% uptime, 10,000+ concurrent users. Stack: NestJS, React, PostgreSQL, Redis, Docker, GitHub Actions.
โ Led full stack development for hospital management systems across two Singapore government hospitals (Renci, Sengkang General) โ React 18, Next.js, NestJS, TypeScript.
โ Migrated Open Banking infrastructure to Next.js/TypeScript for a UK fintech (Banfico) โ 40% reduction in technical debt, fully compliant with UK Open Banking standards.
โ 40% database performance improvement through query optimisation, indexing, and PgBouncer connection pooling.
I communicate clearly, deliver working software, and flag problems early โ not after deadlines are missed. I work async-first and have delivered for remote teams across UK, US, and Singapore time zones without issues.
If you're building a web application or SaaS product on the React/Node.js stack and need someone who can own the full scope or slot into an existing team โ let's talk. Send me your project details and I'll respond within a few hours.
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
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