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Project details
A SaaS product can look complete and still become expensive to scale.
The problems usually appear later. Payments fail at the wrong moment.
User roles overlap. APIs return inconsistent data. New features break older workflows.
The team spends more time fixing the platform than improving it.
I build production-ready SaaS platforms using Next.js, NestJS, TypeScript, PostgreSQL, Redis, and AWS.
Your platform can include secure authentication, subscriptions, payment processing, admin dashboards, user roles, API integrations, file uploads, email automation, reporting, and cloud deployment.
I work across the full system as a Full Stack Developer. That includes the frontend, backend, database, infrastructure, and production setup.
I also check the details that are often missed, including duplicate webhooks, expired sessions, permission gaps, failed payments, slow queries, broken migrations, and missing logs.
The architecture is kept simple where possible and scalable where necessary. You receive clean source code, API documentation, deployment setup, and post-launch technical support.
Message me before purchasing so I can review your SaaS idea, workflows, and technical scope.
The problems usually appear later. Payments fail at the wrong moment.
User roles overlap. APIs return inconsistent data. New features break older workflows.
The team spends more time fixing the platform than improving it.
I build production-ready SaaS platforms using Next.js, NestJS, TypeScript, PostgreSQL, Redis, and AWS.
Your platform can include secure authentication, subscriptions, payment processing, admin dashboards, user roles, API integrations, file uploads, email automation, reporting, and cloud deployment.
I work across the full system as a Full Stack Developer. That includes the frontend, backend, database, infrastructure, and production setup.
I also check the details that are often missed, including duplicate webhooks, expired sessions, permission gaps, failed payments, slow queries, broken migrations, and missing logs.
The architecture is kept simple where possible and scalable where necessary. You receive clean source code, API documentation, deployment setup, and post-launch technical support.
Message me before purchasing so I can review your SaaS idea, workflows, and technical scope.
Programming Languages
Python, Ruby/Ruby on Rails, TypeScriptCoding Expertise
Cross Browser & Device Compatibility, Performance Optimization, SecurityWhat's included $5,500
These options are included with the project scope.
$5,500
- Delivery Time 30 days
- Number of Revisions Unlimited
11 reviews
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Johan S.
Aug 3, 2025
Flutter Developer Needed for Quotation App with Django/Node Backend
I couldn't be more impressed with the results. From day one, Ahmed demonstrated exceptional technical expertise and professionalism that set him apart from other developers I've worked with. He didn't just code what I asked for but he actively suggested improvements that made the final product even better than I imagined. His API development was particularly impressive, creating seamless communication between the Flutter frontend and Django backend.
DH
Daniel H.
Mar 26, 2025
Responsive Product Manager Portfolio Website Development
PK
Pem K.
Feb 18, 2025
UI Enhancement for WordPress Frontend Admin
Ahmed delivered excellent work on my WordPress website, and I truly enjoyed collaborating with him. His communication was exceptional, he met all deadlines, and his skills were solid. At one point, I requested additional work beyond the initial scope, and he was transparent about it being outside his expertise. However, he went the extra mile to help me find the right support for the task. I appreciated his professionalism and dedication, and I am working with him on another project already :)
HM
Haas M.
Dec 24, 2023
Make a Comparison website app on Bubble
Ahmed was great to work with and very talented. We were pleased with his work so much so we will be continuing with him after he successfully created our comparison website. Look forward to a continued working relationship with him.
AW
Andrew W.
Apr 12, 2023
Website Redesign
Great work as always, always available and understands the job task
About Ahmed
Full Stack Developer | Next.js & API Integration
100%
Job Success
Karachi, Pakistan - 1:25 pm local time
Maybe the MVP is live, but every new feature takes longer.
Queries are slowing down. API integrations are breaking.
Payment flows feel fragile. Deployments still depend on manual steps.
The product works, but the codebase is becoming harder to control.
Leaving these problems unresolved makes development slower and more expensive. Small changes create unexpected bugs.
I'm Ahmed, and I step in as a Full Stack Developer and take ownership of the technical outcome.
I identify weak points, choose an architecture that fits your current stage, build the required features, connect complex APIs, deploy the system, and stabilize it for production.
WHAT I CAN OWN
1. SAAS AND MVP DEVELOPMENT
I turn founder requirements into a practical technical plan.
I build the frontend, backend, database, and cloud infrastructure. The goal is to launch quickly without creating a codebase that needs to be rebuilt six months later.
2. NEXT.JS AND BACKEND DEVELOPMENT
I build fast, maintainable applications with Next.js. With a guaranteed 90+ score in Google Page Speed Insights
For backend systems, I use NestJS, Node.js, or Django based on the product requirements.
I handle authentication, permissions, payments, webhooks, background jobs, business logic, and data workflows.
You get a structured codebase that is easier to test, extend, and maintain.
3. API INTEGRATIONS
As an API integration expert, I connect products with payment providers, booking systems, AI platforms, and external services.
I have worked with Stripe, PayPal, Payoneer, live hotel APIs, OpenAI, Meta APIs, MCPs, and providers with inconsistent response structures.
I also handle authentication, retries, rate limits, error handling, webhooks, and data mapping.
4. PERFORMANCE AND AWS
I diagnose the cause of slow or unreliable systems.
This may involve database indexing, query profiling, caching, frontend loading, background processing, or deployment configuration.
I also deploy applications using AWS EC2, RDS, S3, App Runner, Docker, logging, and repeatable release workflows.
MY PROMISE
I do not call a project finished because it works on my machine.
You receive clean code, clear documentation, production deployment, and post-launch support for issues related to my work.
If I fail to deliver an approved milestone according to the agreed scope, I will refund that milestone.
Need a Full Stack Developer who can build your product from scratch and scale it into an enterprise-ready platform?
Click “Message” or “Invite to Job” and send me your current stack and main technical challenge.
PS: Your system hits its growth goals, or I haven't done my job.
Steps for completing your project
After purchasing the project, send requirements so Ahmed can start the project.
Delivery time starts when Ahmed receives requirements from you.
Ahmed works on your project following the steps below.
Revisions may occur after the delivery date.
Kindly share your requirements