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Development & IT Consultation with Zeeshan H.

4.9 · 79 reviews

I provide expert guidance on mobile and web app development, from idea validation to launch. I advise on Android/iOS app architecture, UI/UX improvements, performance optimization, and help with bug fixes, Play Store deployment, and scaling apps for production.
For web solutions, I guide React, Laravel development, including backend setup, cloud deployment, and code review.

You can consult me on:
App bug fixing and optimization
UI/UX improvements and usability
Play Store deployment and updates
Database design and scalability
App security and maintenance

I help you make confident technical decisions to turn ideas into high performing, scalable digital products.

Get personalized advice on:

AI & Machine Learning AI Integration Ecommerce Development Mobile App Development Website Builders & CMS hybrid app development native app development ai app development mobile app development web application development

You’re covered with payment protection so you can cancel and get a full refund up to 24 hours before your consultation.

About Zeeshan

AI Engineer | LLM Agents, RAG, Python | React, Next.js, React Native

97% Job Success

4.9 (79 reviews)

Lahore, Pakistan - 6:37 am local time

OVERVIEW

I build AI-powered full-stack products that go to market not just get started. From LLM applications and RAG systems to SaaS platforms and mobile apps, I work as a Full-Stack AI Engineer who can own a project end to end, from architecture to deployment.
If you need an AI engineer who combines deep LLM expertise with full-stack and mobile development Let's talk.

My Upwork credentials:
Top Rated Plus Freelancer
97% Job Success Score
90% client recommendation rate
86% repeat client rate most clients come back for a second project
100+ successful projects for startups and enterprises
9500+ hours in full-stack, AI, and mobile development
14+ years in software engineering

I specialize in building AI-powered systems using LLMs, AI Agents, RAG pipelines, and LangChain combined with full-stack web development in React and Next.js, scalable backend systems in Python, Node.js, and FastAPI, and cross-platform mobile apps in React Native.
My approach focuses on building production ready systems, not just prototypes clean architecture, modular design, and scalable infrastructure that your team can maintain and grow.

SERVICES I PROVIDE

AI & LLM Engineering
LLM Applications & AI Integrations (OpenAI, Hugging Face)
RAG Systems for private data and enterprise search
AI Agents & Automation Workflows with LangChain and LangGraph
Backend APIs with FastAPI, Node.js, or Django REST
Data pipelines and AI processing systems
Vector databases Pinecone, ChromaDB
Cloud deployment & scalable architecture (AWS / GCP / Azure)

Full-Stack Web Development
Modern web apps using React and Next.js
Scalable backend systems with Node.js and Laravel
SaaS platform development and startup MVP builds
RESTful & GraphQL API development
Database design and optimization PostgreSQL, MongoDB
Admin dashboards and enterprise systems

Mobile App Development
Cross-platform mobile apps using React Native
Native iOS development with Swift and SwiftUI
Native Android development with Kotlin and Jetpack
Scalable mobile architecture for startups and SaaS products
Performance-optimized, secure, production-ready mobile apps

WHY CLIENTS HIRE ME
✔ 86% of clients return for a second project I deliver what I scope, on time, every time

✔ I combine AI/LLM engineering with full-stack and mobile one developer, complete product

✔ I build production-ready systems, not prototypes clean, modular, maintainable code

✔ I communicate proactively you'll always know where your project stands

✔ 14+ years of engineering experience across startups, SaaS, and enterprise products

TECHNOLOGY STACK

AI & LLM: LangChain · LangGraph · OpenAI API · Hugging Face · RAG · AI Agents · Whisper · TTS

Frontend: React.js · Next.js · TypeScript · JavaScript · Tailwind CSS

Backend: Python · Node.js · FastAPI · Django · Laravel · PHP

Mobile: React Native · Swift / SwiftUI · Kotlin / Jetpack

Databases: PostgreSQL · MongoDB · ChromaDB · Pinecone · Firebase

Cloud & DevOps: AWS · GCP · Azure · Docker · CI/CD

INDUSTRIES SERVED

· SaaS Platforms
· Fintech & Payments
· Healthcare & AI
· EdTech
· E-Commerce
· Logistics
· On-Demand Services

CLOSING
Whether you need an AI Engineer to build LLM-powered SaaS, a RAG system for your private data, or a full-stack developer to ship your MVP, I'd love to hear about your project. Send me a message and let's see if we're a good fit.

What to expect

Schedule the consultation

Choose from the freelancer’s available days and times.

Get advice for your custom needs

Share details about your project and what you want to talk about. The freelancer will review and reach out if they have questions.

Join the Zoom meeting

1-on-1 meeting with the freelancer to discuss your needs and project.

Approve the work

The freelancer will finish up the documents you asked for and send them to you for approval:

Before the consultation

Here’s what Zeeshan will need to know before you meet

Hi there! Please share a short intro about you and your project, whether it’s mobile or web app development, bug fixing, UI/UX enhancement, API integration, Firebase setup, backend planning, or app deployment, so I can guide you effectively.
Do you already have an app, design, or business plan? If yes, please share any files or links.
What’s your top priority for this session? (Idea validation, tech stack advice, cost & timeline estimate, scalability planning, etc.)

Frequently asked questions

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Replit Technical Consultant for Occasional Project Support

Ongoing support for wellness app Zeeshan and his team took over the app from another development team. They always went above and beyond to maintain and improve the app. I would work with them again any time.

iOS App Bug Fix - Full Stack Zeeshan went above and beyond to help me figure out an issue in my app. I cannot recommend working with him highly enought.

Nuxt Frontend development

Fix menu tab for Android and iPhone so viewers can access signup, login and compatibility content. Zeeshan and his team did an amazing job removing bugs and getting the cellphone version of my website to function properly. The menu button now works allowing readers access to all the features assessable on the computer version. I will definitely hire Zeeshan again!