Client work · AI styling platform
CHIC Concierge
An AI styling product combining personal profiles, digital wardrobes, product recommendations, and subscription access. I built the platform across its application, backend, and AI integrations.
AI transformation partner & full-stack engineer
Build your next product.
Put AI to work
in your business.
I’m Mustafa Shaheen. I help founders build web and mobile products and businesses connect their knowledge, tools, and everyday work with AI.
Top Rated Plus/$800K+ earned on UpworkA connected way to work01 / AI OS
Company knowledge
Documents · Processes · Data
Existing tools
Your AI OSBuilt around your business
Repeatable workflows
Assist · Connect · Automate
People in control
Permissions & review
11+Years in software
3 yearsFocused on AI & automation
$800K+Earned on Upwork
Top Rated PlusOn Upwork
Built around your next stepA technical partner
A technical partner
for what comes next.
01 / FOR FOUNDERS
From idea to your next release.
Build a new product, move a prototype forward, or extend an existing application. I help define the scope and build the web, mobile, backend, and AI components around it.
Explore product work02 / FOR ESTABLISHED BUSINESSES
Make AI part of everyday work.
Map recurring work, organize business knowledge, and connect your existing systems. I build an AI operating system around the workflows that matter to your business.
Explore AI operating systems01 / What I doWhat can I help
What can I help
you build?
Start with the product, process, or problem. I’ll help define the work and choose the right combination of software, AI, and integrations.
Knowledge + assistants + workflows
AI operating systems for business
Connect business knowledge, AI assistants, and recurring workflows. I build around your team, including integrations, access controls, review steps, and custom interfaces.
02
AI applications and agents
Knowledge assistants, document analysis, recommendations, and AI features connected to your data and tools, with the interface and engineering around the model.
03
Voice AI
Voice workflows for questions, lead qualification, appointments, follow-up, and training. Vapi, Retell, and custom speech pipelines connected to your systems.
04
Business automation
Connect CRMs, calendars, email, Notion, and internal tools using n8n, Make, Zapier, APIs, and custom code, with people involved where decisions need review.
05
Web applications and SaaS
Portals, dashboards, marketplaces, subscription products, and business applications. Frontend, backend, databases, authentication, billing, integrations, and deployment.
06
Mobile applications
iOS and Android products using Flutter, React Native, or native Swift, Kotlin, and Java. Consumer apps, business operations, real-time communication, and connected devices.
07
Existing product improvement
Complete unfinished builds, diagnose problems, improve integrations, and extend applications, including products started with AI coding tools.
02 / AI operating systemsMake AI part of
Make AI part of
how your
business runs.
An AI operating system brings your company’s knowledge, tools, and recurring work together. Start with a defined workflow, decide where people review the work, and build from there.
Discuss your AI OS Built around the systems you already use01
A practical implementation plan
Map the work, available data, and integration constraints. Agree on the first workflow and how to assess it.
02
Working software & integrations
Connect knowledge, assistants, automations, and interfaces, with permissions, review points, and error handling.
03
A usable handover
Test real scenarios, document operation, and train your team. Review usage and exceptions before expanding. Ongoing support is scoped separately.
03 / Selected workIdeas, brought
Ideas, brought
into the real world.
AI products, operational software, and mobile experiences. The application, the technology, and my part in the work.
View all projects
Client work · Construction software
Legacy Prime
Mobile and web workflows for estimating, customer management, field operations, payments, and AI assistance. My work focused on helping take an AI-assisted application toward production.
Client work · AI learning platform
EDVEX
Exam preparation with adaptive practice, voice tutoring, essay feedback, and flashcards. I audited the application and helped finalize it for launch.
Portfolio application · Voice AI and booking
FrontDesk
A voice receptionist project connecting calls, answers, appointment availability, and follow-up workflows. Demonstration scenarios cover service businesses and restaurant reservations.
Have something similar in mind?Let’s discuss your project
04 / How I workA clear scope.
A clear scope.
Working software.
From the first conversation to the handover, every stage has a purpose and a useful next step.
01
Understand the work
Review the people, the current process or product, and the result you need. For an existing application, I inspect the relevant code and integrations.
02
Define a useful first delivery
Agree on a practical scope, technical approach, and milestones. Define what the first version needs and how it will be assessed.
03
Build, test, and review
Implement the application and integrations, share progress, and test against the requirements, including AI errors and uncertain answers.
04
Launch and hand over
Prepare the release, document the setup, and hand over the code and operating information, with team training where the work calls for it.
05 / The engineer behind the workSoftware experience.
Software experience.
Applied to AI.
11+
Years connecting
ideas to working software.
I’m Mustafa Shaheen, an AI transformation partner and full-stack engineer.
I started with native mobile and web applications, then expanded into cross-platform apps, backend systems, and cloud infrastructure.
For the past 3 years, I’ve focused on AI applications, voice agents, and business automation. That work builds on the engineering needed to connect AI to real products: accounts, data, permissions, payments, workflows, and deployment.
Today, I work with founders building products and businesses improving how their teams operate. I can help choose a practical technical direction and stay involved in building it.
More about my backgroundEarlier contributions
A foundation in web & mobile products.
Selected contributions. These products have continued to evolve with their respective teams.
YOU DID AN EXCELLENT, TOP-QUALITY JOB ON MY PROJECT!!! And I mean that; I have worked with many contractors in the past, and you surpassed my expectations.
The right tools for the work
The stack follows your requirements, existing systems, and the people who will maintain it.
AI and knowledge systems
OpenAI · Claude · Gemini · Pinecone · Supabase · Retrieval-augmented generation · API and tool integrations
Voice and automation
Vapi · Retell · Twilio · Deepgram · ElevenLabs · n8n · Make · Zapier · Notion
Web and backend
React · Next.js · Node.js · NestJS · Python · FastAPI · PHP · Laravel · Angular · Express · MEAN · MERN
Mobile
Flutter · React Native · Expo · Swift · Kotlin · Java
Data and cloud
PostgreSQL · MongoDB · MySQL · Supabase · Firebase · AWS · GCP · DigitalOcean · Docker · Kubernetes
AI-assisted development
Codex · Claude Code · Replit · Base44 · Bolt
What do you mean by an AI operating system?
A connected set of business knowledge, AI assistants, workflows, and software integrations built around your operations. Start with a defined process, establish where people review or approve the work, and expand as the system proves useful.
Do you build applications without AI?
Yes. I build full-stack web and mobile applications, including SaaS products, business tools, customer portals, and iOS and Android apps. AI is one part of the work I offer.
Can you help decide where AI would be useful?
Yes. I can start by reviewing the workflow, available data, existing systems, and the outcome you want, then define a practical opportunity and implement the application or integrations it requires.
Do you work with both founders and established businesses?
Yes. Founder projects often start with a product idea, prototype, or next release. Business projects often begin with a process to improve, systems to connect, or a new application.
Can you continue a product built with AI tools?
Yes. I work with AI-assisted codebases and products started in tools such as Replit and Bolt. I first review the application and next release requirements, then define the work needed to move it forward.
Can you work with our current systems?
Yes. I review the available APIs, data flows, authentication, and integration requirements, then build around the systems you already use. The approach depends on their capabilities and access requirements.
Do you handle deployment and handover?
Yes. Deployment, configuration, documentation, and handover can be included in the agreed scope. My cloud experience includes AWS, GCP, and DigitalOcean, along with Docker and Kubernetes.
How are projects scoped?
Start with a conversation about the application or workflow. I recommend a defined first stage with deliverables and an engagement structure appropriate to the work. Projects can use agreed milestones or hourly development, depending on how clear the scope is.
Let’s build what comes nextWhat do you want
What do you want
to build or improve?
Bring your product idea, existing application, or a workflow your team wants to improve. I’ll help you identify a practical next step.
Prefer to write?hello@mustafashaheen.com Product ideas. Business workflows.
A useful conversation to start.
A useful conversation to start.