I build AI systems that replace the manual work your business is still doing by hand.
Most small businesses are paying — in time or salary — for jobs a well-built system should own: chasing numbers, running outreach, moving data between tools, keeping a site that actually converts. I take those jobs and automate them.
What that looks like in practice:
→ AI agent CFO — pulls financials, tracks spend, flags issues before they cost you
→ Outreach agents that run client acquisition without a human in the loop
→ End-to-end automations connecting the tools you already use
→ Fast-built, AI-coded websites engineered to generate leads, not just look good
My edge: I'm a Finance major and D-I athlete at Lipscomb. I think about every build in terms of cost and return — not whether it's technically impressive.
We're a great fit if you're thinking:
✅ "There's a process eating my team's time every single week"
✅ "I need a site that actually brings in clients"
✅ "I want AI doing the grunt work, not a new hire"
AI/Dev: Claude API · Claude Code · Codex · Python
Automation: n8n · Zapier · Make · Instantly
Business Tools: GoHighLevel · Xero · Google Sheets
Message me and tell me what's eating your time. We'll go from there.
TypeScript
Claude
Data Analysis
AI Agent Development
Python
Zapier
Make.com
n8n
Business Process Automation
Lead Generation Analysis
Web Development
Chatbot Development
API Integration
Automated Workflow
Chris B.
Melbourne, Australia
$60/hr
5.0
4 jobs
I have over 30 years’ experience in designing and developing software desktop/web solutions and commercial products. I understand the importance of time, money and the need for trust when outsourcing work. I will always work tirelessly to ensure deadlines are met with the highest quality outcomes.
In addition to being an experienced full-stack desktop and web programmer in languages such as C#, C++, C, Rust, Golang, JavaScript, TypeScript, Python, R and even (some) Assembly, I am also skilled in creating desktop/web applications, web APIs and plug-ins for products such as Microsoft Office, Tableau and Python.
My passion is in delivering practical and innovative solutions to business problems, through collaboration, clear thinking and software.
No matter the size of your project, I will work tirelessly to design and build the solution needed to deliver the maximum value to your organisation.
TypeScript
Rust
Golang
C++
C#
Python
Node.js
SQL
API Development
Amazon Web Services
Microsoft Azure
C
.NET Core
React
Data Management
Linux
macOS
Database
AI Agent Development
Mushaidul I.
Melbourne, Australia
$25/hr
4.2
8 jobs
I build full-stack systems that hold up in production. Node.js, TypeScript, React and Next.js on most projects, with Golang when the backend needs it.
Over the last three years I've shipped on platforms serving millions of users. A financial ledger service at a B2B commerce company that became the single source of truth for all company transactions. A recommendation cache at a telecom that cut latency 30% under peak load. A notification pipeline running on 80M+ subscriber infrastructure.
What I work with day to day: REST APIs, Express, microservices, MongoDB and PostgreSQL, Kafka, Redis, Docker and Kubernetes. On the frontend, React and Next.js with Tailwind.
I'm good at joining an existing codebase and getting productive fast. Most of my work has been stepping into systems someone else built, finding what's actually broken, and fixing it without a rewrite.
I look at the problem before I write code. If there's a better way to build something, I'll tell you before I start, not after you've paid for the wrong thing.
Based in Melbourne, working with clients across time zones. Available for short builds and longer ongoing work.
TypeScript
React
MongoDB
Node.js
Golang
PostgreSQL
Back-End Development
NestJS
Python
Full-Stack Development
Docker
Git
Next.js
ExpressJS
REST API
API Integration
Redis
CI/CD
Front-End Development
AI Development
Sergio A.
Gymea, Australia
$20/hr
4.7
27 jobs
𝐅𝐮𝐥𝐥 𝐒𝐭𝐚𝐜𝐤 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 𝐰𝐢𝐭𝐡 𝟏𝟐+ 𝐲𝐞𝐚𝐫𝐬 𝐨𝐟 𝐞𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞 building React, Next.js, TypeScript, MERN, SaaS, AI and Node.js applications. Are you looking for a modern, fast, responsive web application built with clean, scalable code? 𝐘𝐨𝐮 𝐚𝐫𝐞 𝐢𝐧 𝐭𝐡𝐞 𝐫𝐢𝐠𝐡𝐭 𝐩𝐥𝐚𝐜𝐞!
I specialize in 𝐬𝐜𝐚𝐥𝐚𝐛𝐥𝐞 𝐒𝐚𝐚𝐒 𝐩𝐥𝐚𝐭𝐟𝐨𝐫𝐦𝐬, 𝐀𝐈-𝐩𝐨𝐰𝐞𝐫𝐞𝐝 𝐩𝐫𝐨𝐝𝐮𝐜𝐭𝐬, 𝐌𝐕𝐏𝐬 𝐚𝐧𝐝 𝐜𝐮𝐬𝐭𝐨𝐦 𝐰𝐞𝐛 𝐚𝐩𝐩𝐥𝐢𝐜𝐚𝐭𝐢𝐨𝐧𝐬.
🏆 𝐓𝐨𝐩 𝐑𝐚𝐭𝐞𝐝 | 🥇 𝟏𝟎𝟎% 𝐉𝐨𝐛 𝐒𝐮𝐜𝐜𝐞𝐬𝐬 𝐒𝐜𝐨𝐫𝐞 | 🚀 𝟏𝟓𝟎+ 𝐀𝐩𝐩𝐥𝐢𝐜𝐚𝐭𝐢𝐨𝐧𝐬 𝐃𝐞𝐥𝐢𝐯𝐞𝐫𝐞𝐝
I work with startups, businesses, and product teams to build new products, improve existing applications, and turn complex requirements into reliable production software. My experience spans 𝐚𝐫𝐜𝐡𝐢𝐭𝐞𝐜𝐭𝐮𝐫𝐞, 𝐟𝐫𝐨𝐧𝐭𝐞𝐧𝐝, 𝐛𝐚𝐜𝐤𝐞𝐧𝐝, 𝐀𝐏𝐈𝐬, 𝐝𝐚𝐭𝐚𝐛𝐚𝐬𝐞𝐬, 𝐢𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧𝐬, 𝐝𝐞𝐩𝐥𝐨𝐲𝐦𝐞𝐧𝐭 𝐚𝐧𝐝 𝐨𝐩𝐭𝐢𝐦𝐢𝐳𝐚𝐭𝐢𝐨𝐧.
🎯 𝐖𝐡𝐚𝐭 𝐈 𝐒𝐩𝐞𝐜𝐢𝐚𝐥𝐢𝐳𝐞 𝐈𝐧
👉 Full Stack MERN Development: MongoDB, Express.js, React.js and Node.js applications
👉 React.js & Next.js Development: responsive, high-performance and SEO-friendly applications, including SSR, SSG, ISR and App Router
👉 SaaS & MVP Development: multi-tenant platforms, authentication, RBAC, subscriptions, billing, dashboards and business workflows
👉 AI Application Development: OpenAI API, ChatGPT integrations, AI workflows and intelligent product features
👉 Node.js Backend Development: REST APIs, GraphQL, authentication, integrations and scalable backend systems
👉 Business & eCommerce Applications: CRM, ERP, dashboards, analytics, reporting, payments and custom workflows
👉 Application Modernization: new features, refactoring, performance optimization and upgrades for existing applications
🏆 𝐖𝐡𝐲 𝐂𝐥𝐢𝐞𝐧𝐭𝐬 𝐇𝐢𝐫𝐞 𝐌𝐞
My 12+ years of experience allows me to look beyond individual development tasks and understand the architecture, business requirements and long-term needs of a product.
✅ 150+ applications delivered: SaaS, eCommerce, healthcare, fintech and business platforms
✅ Experience leading development teams and working directly with product requirements
✅ Strong focus on scalable architecture, performance, maintainability and clean code
✅ Production experience with SaaS platforms, AI integrations, APIs, dashboards and complex business applications
✅ Clear communication, realistic timelines and dependable delivery
The goal is simple: build software that solves the immediate requirement without creating problems for the next stage of the product.
🛠️ 𝐂𝐨𝐫𝐞 𝐒𝐤𝐢𝐥𝐥𝐬 & 𝐓𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐢𝐞𝐬
👉 Frontend: React.js | Next.js | TypeScript | JavaScript | Tailwind CSS | Material UI | Redux Toolkit | Zustand
👉 Backend: Node.js | Express.js | NestJS | REST APIs | GraphQL
👉 Databases: MongoDB | PostgreSQL | MySQL | Firebase | Supabase
👉 AI & LLM: OpenAI API | ChatGPT Integration | AI-Powered Applications | AI Workflows
👉 Authentication: JWT | OAuth2 | NextAuth | Firebase Auth | RBAC
👉 Payments & Integrations: Stripe | PayPal | Razorpay | Twilio | SendGrid | Third-Party APIs
👉 Real-Time: WebSockets | Socket | Firebase Realtime Database
👉 Cloud & DevOps: AWS | Vercel | Docker | GitHub Actions | GitLab CI | DigitalOcean
👉 Performance & SEO: SSR | SSG | ISR | App Router | Core Web Vitals | Technical SEO
🏆 𝐖𝐡𝐚𝐭 𝐈'𝐯𝐞 𝐁𝐮𝐢𝐥𝐭 𝐟𝐨𝐫 𝐂𝐥𝐢𝐞𝐧𝐭𝐬
✅ SaaS Platforms & MVPs: multi-tenant architecture, subscriptions, billing, RBAC and business workflows
✅ React.js & Next.js Applications: high-performance web applications, dashboards and SEO-focused websites
✅ AI-Powered Products: OpenAI API, ChatGPT integrations, AI workflows and intelligent product features
✅ B2B Platforms: lead generation, automation and data-driven business applications
✅ Healthcare Applications: booking systems, patient portals and administrative platforms
✅ eCommerce Platforms: Next.js storefronts, payments, subscriptions and automated billing
✅ CRM & ERP Systems: custom workflows, analytics, reporting and role-based applications
✅ API & Backend Systems: scalable Node.js APIs for web and mobile applications
📈 𝐅𝐫𝐨𝐦 𝐈𝐝𝐞𝐚 𝐭𝐨 𝐏𝐫𝐨𝐝𝐮
Whether you are:
👉 Building an MVP or SaaS product from scratch
👉 Hiring a React.js, Next.js, MERN or Node.js Developer
👉 Adding AI capabilities with OpenAI or ChatGPT
👉 Developing features for an existing application
👉 Modernizing or scaling a React/Node.js codebase
👉 Building APIs, dashboards, eCommerce or business applications
🎯 I can turn your requirements into a well-architected, production-ready solution: from planning and development through integrations, optimization and deployment.
📩 Let's Discuss Your Project
If you're looking for a Senior React Developer, Full Stack Developer, MERN Developer, Next.js Developer, Node.js Developer, SaaS Developer or AI Developer, send me your requirements, existing application or product idea.
TypeScript
React
Next.js
Node.js
Front-End Development
MongoDB
ExpressJS
Software Development
JavaScript
API Integration
Figma
CSS
MERN Stack
Redux
REST API
Tailwind CSS
Material UI
Full-Stack Development
SaaS Development
OpenAPI
Matheus A.
Melbourne, Australia
$70/hr
5.0
52 jobs
I build AI-powered products end to end — architecture, backend, frontend, mobile, deployment. 10+ years engineering. $200K+ earned on Upwork, 100% Job Success, Top Rated Plus, and clients who've stayed three years and longer.
Most AI work on here stops at a workflow or a wrapper. Mine doesn't. If the thing you want needs a real database, an API that doesn't exist yet, a customer portal and an iOS app hanging off it, that's one engagement with one person — no handoffs, no integration gaps, no "that's out of scope".
WHAT I BUILD
- AI platforms for specific industries — the full system, not a demo. I've built systems in across several verticals including healthcare, HR, finance, travel, ecommerce, education and more.
- AI agents that do real work: qualify leads, triage inboxes, extract and route documents, answer customers from your own data
- Web apps in Next.js and React, with the backend and infrastructure underneath them
- iOS and Android apps in React Native/Expo, shipped to both stores
- Operations automation where it earns its place — CRM sync, multi-channel routing over WhatsApp, email and Slack, document pipelines
- The unglamorous half: auth, billing, deployment, monitoring, and the maintenance after launch
STACK
Claude API, OpenAI API, Next.js, React, Node.js, TypeScript, React Native/Expo, Supabase, MongoDB, PostgreSQL, Stripe, WhatsApp Business API, Google Workspace, HubSpot, AWS, n8n
HOW I WORK
Former Product Manager at Baidu, so I scope in outcomes, not tickets. Bring me a business problem rather than a spec and I'll tell you what it should be before I build it — including the parts you don't need. I'll say when something is a bad idea before you pay me to build it.
Melbourne-based and comfortable overlapping US and European hours.
Tell me what you're trying to build and I'll tell you what it actually takes.
TypeScript
Artificial Intelligence
AI Agent Development
AI App Development
API Integration
Web Development
Next.js
Node.js
Mobile App Development
React Native
Chatbot Development
OpenAI API
Supabase
Automation
n8n
Naveed A.
Schofields, Australia
$40/hr
5.0
2 jobs
Full-Stack Developer — React, Next.js, Node.js | SaaS MVPs, Dashboards
& Marketplaces
I build web apps that actually ship. Not prototypes, not "almost there"
live products with real users, working payments, and a URL you can send
to an investor without apologizing for it.
Most people who hire me have already been burned once. Three months gone,
a repo nobody can read, and a product that still can't take a payment.
That's usually the conversation I walk into.
𝗧𝘄𝗼 𝗿𝗲𝗰𝗲𝗻𝘁 𝗯𝘂𝗶𝗹𝗱𝘀
Houseplant Guru — The client had 240+ plant care
guides sitting in documents with no way to publish them. I built a Next.js
content platform with Sanity as a headless CMS, so their writers publish
and edit without ever opening a code editor. Searchable plant directory
across six categories, tag filtering, editorial blog, newsletter capture.
Every page is server-rendered with proper canonical tags and structured
metadata built to rank in Google from day one, not bolted on afterward.
Dubloks — A global collectibles marketplace, built end to
end. Escrow-protected payments that hold funds until delivery is confirmed,
a listings engine with free and premium tiers, seller dashboards, order
management, account verification, and shipment tracking wired into five
carriers. Plus wallet connect, live market data, and multi-language
support. Auth, payments, dashboards, admin tooling the full stack, in
production.
𝗪𝗵𝗮𝘁 𝗜 𝗯𝘂𝗶𝗹𝗱
𝗦𝗮𝗮𝗦 𝗠𝗩𝗣𝘀. Idea to live product authentication, Stripe subscriptions,
admin panel, deployed on Vercel. A typical MVP build runs four to six
weeks, and you get a working demo link every single week rather than a
status report.
𝗔𝗱𝗺𝗶𝗻 𝗮𝗻𝗱 𝗮𝗻𝗮𝗹𝘆𝘁𝗶𝗰𝘀 𝗱𝗮𝘀𝗵𝗯𝗼𝗮𝗿𝗱𝘀. React dashboard development with
role-based access, real-time data, and charts that stay fast as the data
grows. Next.js and Tailwind CSS on the front, PostgreSQL or Supabase
behind it.
𝗦𝘁𝗿𝗶𝗽𝗲 𝗮𝗻𝗱 𝗽𝗮𝘆𝗺𝗲𝗻𝘁𝘀. Stripe subscription integration, usage-based
billing, webhooks, customer portals, failed-payment recovery. The parts
that quietly break in production six weeks after launch done properly
the first time.
𝗠𝗮𝗿𝗸𝗲𝘁𝗽𝗹𝗮𝗰𝗲𝘀 𝗮𝗻𝗱 𝗺𝘂𝗹𝘁𝗶-𝘀𝗶𝗱𝗲𝗱 𝗽𝗹𝗮𝘁𝗳𝗼𝗿𝗺𝘀. Listings, escrow,
seller tools, order flow, notifications, shipping and third-party API
integrations.
𝗥𝗲𝘀𝗰𝘂𝗲 𝘄𝗼𝗿𝗸. You inherited a half-finished codebase from someone who
disappeared. I'll read it, tell you straight what's worth keeping, and
get it over the line.
𝗠𝘆 𝘀𝘁𝗮𝗰𝗸
Frontend — React, Next.js, TypeScript, Tailwind CSS, shadcn/ui
Backend — Node.js, Express, FastAPI, REST API development
Database — PostgreSQL, Supabase, MongoDB, Prisma
Payments — Stripe (subscriptions, webhooks, Connect), escrow flows
CMS — Sanity, headless CMS integration
Infrastructure — Vercel, Docker, AWS, CI/CD
𝗛𝗼𝘄 𝗜 𝘄𝗼𝗿𝗸
I quote fixed scope and a fixed timeline, so you know the number before we
start no hourly meter running while you wonder what's happening. You get
a live demo link every week. The code ships documented and handover-ready,
so you're never locked to me. And if I think your scope is wrong, I'll tell
you before I take your money, not after.
Send me your spec, your Figma file, or honestly just a paragraph explaining
the idea. I'll tell you whether it's a two-week build or a two-month one
before you commit a dollar.
TypeScript
React
Next.js
Node.js
JavaScript
Tailwind CSS
Stripe
PostgreSQL
Full-Stack Development
SaaS Development
API Integration
Dashboard
Supabase
Web Application
Minimum Viable Product
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