You will get a Meetup Social Network Mobile Application
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Top Rated

Project details
Hello! I am Daniyal Khan, A senior Software engineer has a lot of experience with payment gateway setup. I provide a full payment integration solution and have done it a lot of times, so you can rely on us. You can see successful cases in our portfolio. With us, you will get a safe and fast-working payment integration for your website or mobile app.
I can set up not only one-time payments but also recurring payments or even subscription plans.
My expertise:
Stripe integration
PayPal integration
Apple Pay integration
Google Pay integration
No matter what you have: an e-commerce website, a restaurant app or a marketplace platform- we can do the payment integration quickly and with high quality.
Please, message me before sending a request.
I can set up not only one-time payments but also recurring payments or even subscription plans.
My expertise:
Stripe integration
PayPal integration
Apple Pay integration
Google Pay integration
No matter what you have: an e-commerce website, a restaurant app or a marketplace platform- we can do the payment integration quickly and with high quality.
Please, message me before sending a request.
Platform
AndroidApp Type
Hybrid AppDevelopment Technology
Flutter, Java, SwiftApp Purpose
Chat, Dating, Delivery, Finance, Entertainment, Education, Gaming, Health & Fitness, Kids, LifestyleExpertise
Design, Localization, SecurityWhat's included
| Service Tiers |
Starter
$500
|
Standard
$750
|
Advanced
$1,000
|
|---|---|---|---|
| Delivery Time | 7 days | 10 days | 14 days |
Number of Revisions | 1 | 2 | 3 |
Number of Mobile Operating Systems | 1 | 2 | 2 |
App Store Upload | - | - | |
App Icon Design | - | - | |
Splash Screen | |||
Ad Network Integration | - | ||
Source Code |
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JE
Jolene E.
Apr 20, 2026
ThriveCart Learn+ Automation Developer Needed - Quiz-Based Module Unlock System
MP
Matthew P.
Feb 25, 2026
Upgrade App/Website
Daniyal did a great job building a very complex web app. He took a massive amount of data and created a great online database!
JW
Jay W.
Feb 17, 2026
iOS App Development Needed
Extremely professional and very flexible working with Daniyal and his team of experts. I definitely recommend Daniyal and his body of work to anyone in who needs in top quality work and user friendly applicant across all platforms.
JB
Jacob B.
Feb 1, 2026
Website Debugging & Feature Improvement
TM
Tyler M.
Jan 7, 2026
Ownership Handover
Very smooth ownership transfer. No issues at all and response time was fast. Everything was completed our expected and agreed upon time period.
About Daniyal
AI SaaS & GHL Expert | Laravel, RAG, n8n, Agentic AI Developer
100%
Job Success
Karachi, Pakistan - 9:32 pm local time
Most AI and automation projects fail not because of bad ideas…
But because the backend, agent architecture, or workflow system wasn't built to scale.
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
🚨 IF YOU ARE STRUGGLING WITH:
➤ AI agents that don't work reliably in production
➤ n8n workflows that break or can't scale
➤ GHL systems that are messy or not converting
➤ RAG pipelines with hallucinations or slow retrieval
➤ Backend APIs that fail under load
➤ AI ideas stuck in prototype phase
👉 YOU ARE IN THE RIGHT PLACE.
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✅ WHAT I BUILD
I build production-ready AI systems, agentic workflows, and scalable automation infrastructure.
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
🤖 AI AGENT & LLM DEVELOPMENT
➤ Multi-agent systems (LangChain, LangGraph, CrewAI)
➤ RAG pipelines with vector databases (Pinecone, pgvector, Chroma)
➤ LLM integration (OpenAI, Claude, Gemini)
➤ Tool calling & function execution
➤ Prompt engineering for production reliability
➤ AI agents with memory and context management
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
⚙️ n8n & WORKFLOW AUTOMATION
➤ Complex n8n workflows with error handling & retry logic
➤ API integrations (REST, webhooks, OAuth)
➤ Self-hosted n8n deployment
➤ Webhook orchestration & event-driven automation
➤ Human-in-the-loop approval workflows
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📊 GHL (GoHighLevel) EXPERTISE
➤ GHL workflow automation (pipelines, triggers, actions)
➤ CRM automation & lead management
➤ GHL + API integrations (webhooks, custom APIs)
➤ AI voice agent integration (Retell, Vapi) with GHL
➤ SaaS mode setup & white-label systems
➤ Funnel & automation optimization
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
🐍 BACKEND ENGINEERING
➤ Python (FastAPI) – high-performance APIs
➤ PostgreSQL with vector extensions (pgvector)
➤ Async systems & background workers
➤ Docker, cloud deployment (AWS/GCP)
➤ Secure authentication (JWT, OAuth)
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📦 WHAT YOU GET
When we work together, you receive:
➤ Production-ready AI agents and workflows
➤ Clean, documented, maintainable code
➤ Error handling, logging, and monitoring
➤ Loom walkthroughs + written documentation
➤ Systems built to scale from day one
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📈 EXPERIENCE & RESULTS
➤ 10+ years backend & SaaS development
➤ 70+ successful Upwork projects
➤ Top Rated Plus | $60K+ earned
➤ Built production AI agents, RAG systems, automation pipelines
➤ Long-term partnerships with startups & agencies
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🛠️ TECH STACK (by demand)
High Demand (Lead with these):
Python • LangChain/LangGraph • n8n • GoHighLevel • OpenAI/Claude API • RAG • Vector Databases (Pinecone/pgvector) • FastAPI • PostgreSQL
Supporting:
Laravel • Docker • AWS/GCP • Redis • React/Next.js
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🎯 INDUSTRIES I WORK WITH
➤ AI-first SaaS startups
➤ Marketing agencies (GHL users)
➤ E-commerce & D2C brands
➤ Real estate & PropTech
➤ Healthcare & legal tech
➤ Fintech & payment systems
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📩 HOW WE START
1. You message me with your current challenge
2. I audit your system (AI / backend / GHL / n8n) – FREE
3. You get a clear, actionable roadmap
4. We build the right solution – the first time
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Most developers just build features.
I build systems that work reliably in production.
👉 MESSAGE ME NOW FOR YOUR FREE AI / BACKEND / AUTOMATION ROADMAP
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🔑 KEYWORDS (for Upwork algorithm):
ai agent developer, n8n expert, python backend developer, gohighlevel expert, langchain, rag system, ai automation, workflow automation, ghl automation, agentic ai, llm integration, openai api, claude api, fastapi, vector database, multi-agent systems, production ai
Steps for completing your project
After purchasing the project, send requirements so Daniyal can start the project.
Delivery time starts when Daniyal receives requirements from you.
Daniyal works on your project following the steps below.
Revisions may occur after the delivery date.
Requirement Gathering
We must need to discuss your business model before installing this in your company.
