You will get API Expert | API Integration | API Development | API Automation
Top Rated
Project details
I am a seasoned full stack developer , specialize in building Custom Web API streamlining processes through Automation, and integrating third-party API.
đ API Services:
Developing super-efficient and fast REST APIs or GraphQL APIs that are tailored to your specific needs.
đ API Integration:
Need to connect with external services? I provide secure, seamless integrations with any third-party API provider like Stripe, PayPal, Twilio, SendGrid, Google Maps, Social Media API, Dropbox API, AWS S3, Firebase, Google Analytics API Auth0, Algolia, Stripe Connect, HubSpot API, Sockets.io, Open AI, Gemini AI, Change Healthcare, Trizetto.
đ¤ API Automation:
Tired of repetitive tasks? I design and implement complex API workflows with custom code to automate processes.
đď¸ Database Expertise:
Proficient in handling databases like MongoDB, MySQL, PostgreSQL, Firestore, and DynamoDB, ensuring your data is managed effectively.
âąď¸ Real-time Solutions:
Implementing real-time features using WebSocket, WebRTC, and Webhooks to keep your applications responsive and interactive.
âď¸ Cloud Solutions:
Expertise in AWS, Cloudflare, Digital Ocean, Vercel, Firebase.
Hit me up for top-notch service
đ API Services:
Developing super-efficient and fast REST APIs or GraphQL APIs that are tailored to your specific needs.
đ API Integration:
Need to connect with external services? I provide secure, seamless integrations with any third-party API provider like Stripe, PayPal, Twilio, SendGrid, Google Maps, Social Media API, Dropbox API, AWS S3, Firebase, Google Analytics API Auth0, Algolia, Stripe Connect, HubSpot API, Sockets.io, Open AI, Gemini AI, Change Healthcare, Trizetto.
đ¤ API Automation:
Tired of repetitive tasks? I design and implement complex API workflows with custom code to automate processes.
đď¸ Database Expertise:
Proficient in handling databases like MongoDB, MySQL, PostgreSQL, Firestore, and DynamoDB, ensuring your data is managed effectively.
âąď¸ Real-time Solutions:
Implementing real-time features using WebSocket, WebRTC, and Webhooks to keep your applications responsive and interactive.
âď¸ Cloud Solutions:
Expertise in AWS, Cloudflare, Digital Ocean, Vercel, Firebase.
Hit me up for top-notch service
Programming Languages
PHP, JavaScript, TypeScriptCoding Expertise
Localization, Performance Optimization, SecurityWhat's included $100
These options are included with the project scope.
$100
- Delivery Time 1 day
- Number of Revisions 1
- Source Code
14 reviews
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MR
Matthew R.
Jan 7, 2026
Stripe payment flows for mobile and web
Usman and his team have been amazing to work with. Their knowledge of the Stripe platform got us up and running quickly. They have great attitudes and were very flexible on meeting times. The code was solid, well-documented, and reviewed together so the hand-off went smoothly. We are now running the Stripe implementation they built for us in production. They even did an audit of our overall codebase to make sure we were not going to run into any snags. I highly recommend Usman and his team!
DT
Doctours T.
Dec 3, 2025
Scalable Webapp Development with Next.js, Supabase, and Vercel
DH
Duncan H.
Jun 4, 2025
Algolia Search Optimization
Thanks, Usman! That was a very smooth process.
RL
Rafael M L.
Apr 18, 2025
Advise on AI Generated MVP App
Usman clearly explained his process to complete the short project before we began. He completed the work and provided code review guidance and recommendations as discussed. I would use him again when ready.
BE
Brian E.
Dec 30, 2024
Android / iOS Mobile App Support
Usman was able to create a new build of our mobile app and update the necessary components to make it compliant with the app stores. The work was done quickly. Will definitely look to him again when more work is required.
About Usman
Full Stack AI Engineer | AI SaaS MVP| Next.js, Supabase,Stripe Connect
100%
Job Success
Lahore, Pakistan - 8:16 am local time
I build production ready AI-powered SaaS, Stripe Connect Multi Vendor Marketplace, and MVPs using Next.js, Supabase, Cloudflare, AWS , Node.js, and Stripe, đ đ˝đŽđżđđťđ˛đż đđśđđľ đłđźđđťđąđ˛đżđ đđź đšđŽđđťđ°đľ đśđťđđ˛đđđźđż-đżđ˛đŽđąđ SaaS MVP đśđť đđ˛đ˛đ¸đ, without costly rebuilds.
My experience spans healthcare, fintech, travel, marketplaces, AI applications, and enterprise software, giving me the ability to architect products that scale across different industries.
100+ Projects Delivered | Clients Have Raised $10M+ in Funding | Built & Scaled Products to 100,000+ Users | 100% JSS on Upwork
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đđ đ˝đ˛đżđśđ˛đťđ°đ˛ of đđźđżđ¸đśđťđ´ đđśđđľ đśđťđđ˛đżđťđŽđđśđźđťđŽđš đđđŽđżđđđ˝ đđ˛đŽđşđ .
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đŚđđżđśđ˝đ˛ đđźđťđťđ˛đ°đ: Implemented subscription billing, KYC onboarding, and multi-vendor payout ,ACH, Refund, Tax , split payment , processing $1k+ monthly transactions.
đŚđđżđśđ˝đ˛ đđśđšđšđśđťđ´ đŚđđđđ˛đşđ (Stripe payment ,Stripe SDK)
End-to-end Stripe integration including Checkout, Customer Portal, multi-tier subscriptions, webhooks with idempotency, trials, coupons,and reliable billing automation with zero revenue leakage.
đŠđśđąđ˛đź đŚđđżđ˛đŽđşđśđťđ´: As a Full Stack Developer , engineered video platform using Cloudflare Stream and R2, reducing bandwidth costs by 50% through optimized delivery architecture
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đŚđŽđŽđŚ đ đŠđŁ đđ˛đđ˛đšđźđ˝đşđ˛đťđ (Next.js ,Supabase ,Stripe)
As a SaaS Developer ,I build production-ready SaaS platform with secure authentication, multi-tenant architecture, scalable subscription billing, and full-featured dashboards/admin panels, deployed on Vercel.
đđ˘đđ đđ¨đđđ§ & đŁđĽđ˘đđ¨đđ§đđ˘đĄ đĽđđđđđĄđđŚđŚ
Rescued 50 + AI code bases built with Lovable and Claude. I audit your architecture, authentication, payments, performance, and security, then transform it into a production-ready
đđđđđ§đđđđĽđ đđŁđŁđđđđđ§đđ˘đĄđŚ
Developed HIPAA-compliant telemedicine platform with secure patient portals, EHR integrations, and scalable remote care workflows.
đđ đđđđĄđ§ & đđ¨đ§đ˘đ đđ§đđ˘đĄ
đđ đđźđ°đđşđ˛đťđ đđťđđ˛đšđšđśđ´đ˛đťđ°đ˛
AI-powered document management with OCR, semantic search, and intelligent chat across business documents.
đđ đđđđśđťđ˛đđ đđľđŽđđŻđźđ
AI chatbot trained on company knowledge to provide instant, accurate business information.
đđ đŹđźđđ§đđŻđ˛ đđťđđ˛đšđšđśđ´đ˛đťđ°đ˛
Whisper-powered YouTube transcription with AI summaries, search, and content insights.
đđ đŚđ°đľđ˛đąđđšđśđťđ´ đđ´đ˛đťđ
AI agent that automates appointment scheduling, calendar management,Payment collection and booking workflows across chat and email.
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Discovery call
Technical architecture
MVP roadmap
Weekly releases
Deployment
Long-term support
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đ§đ˛đ°đľđťđźđšđźđ´đ đŚđđŽđ°đ¸ :
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đđżđźđťđđ˛đťđą đđ˛đđ˛đšđźđ˝đşđ˛đťđ
React, Next.js 15, TypeScript, JavaScript (ES6+), Tailwind CSS, shadcn/ui, Material UI, Ant Design, Bootstrap.
đđŽđ°đ¸đ˛đťđą & đđŽđđŽđŻđŽđđ˛đ
Node.js, Express.js, NestJS, PostgreSQL, MySQL, MongoDB, SQLite, Redis, Supabase, Firebase, Mongoose
đ đđŁđ đđťđđ˛đ´đżđŽđđśđźđť
Stripe, PayPal, Twilio, SendGrid, Google Maps , Dropbox API, AWS S3 ,Google Analytics API, Auth0, Algolia, Sockets io, Change Healthcare, Trizetto
đđ/đđđ & đđđđźđşđŽđđśđźđť đ§đźđźđšđ
Cursor AI, Bolt, Replit, N8N, LangChain, Vector Databases, Claude, RAG, Vector DB , ElevenLabs, Prompt Engineering
đđ˛đ˝đšđźđđşđ˛đťđ & đđšđźđđą
Vercel, Netlify, Cloudflare (CDN, Workers, R2, Stream), AWS (S3, Lambda,SES,ECS, Cloud watch , EC2, RDS), Docker
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đšRao Dermatology
đš Vanguard X
đš IBM
đš Taxeezy
đš DuploCloud
đđźđźđą đłđśđ đśđł:
â You're a non-technical founder looking for a long-term technical partner.
â You're building a SaaS product, marketplace, or AI application.
â You need more than just code, you want guidance on architecture, scalability, and product decisions.
â You're preparing an SaaS MVP for launch, customer validation, or investor conversations.
â You want software that won't need to be rebuilt once your first customers arrive.
đŚđ˛đťđą đşđ˛ đŽđť đ¨đ˝đđźđżđ¸ đśđťđđśđđ˛ đźđż đşđ˛đđđŽđ´đ˛ đşđ˛ đđź đąđśđđ°đđđ đđźđđż đ˝đżđźđˇđ˛đ°đ. đ đźđłđłđ˛đż đŽ đłđżđ˛đ˛ đ°đźđťđđđšđđŽđđśđźđť .
Next.js Developer, SaaS Developer , SaaS MVP Developer , MVP Development , Frontend
Steps for completing your project
After purchasing the project, send requirements so Usman can start the project.
Delivery time starts when Usman receives requirements from you.
Usman works on your project following the steps below.
Revisions may occur after the delivery date.
Requirements
I start by getting to know your unique requirements and challenges
impelmentation
Through a collaborative approach, I ensure that every solution is precisely tailored to your needs, delivering results that make a difference.