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Fiverr Pro
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$
USD
I will build a multi tenant saas backend in fastapi with postgresql and stripe
Arbind
About this gig
Your SaaS needs a backend that still holds up at customer number 500. That is what I build.
I recently shipped a production multi-tenant platform in FastAPI: 380+ endpoints, 79 database models, schema-per-tenant isolation, Stripe subscriptions, background workers, AWS deployment. You get the same architecture, sized to your project.
WHAT YOU GET
- FastAPI backend in clean layers: routes, services, repositories
- PostgreSQL, async SQLAlchemy 2.0, Alembic migrations
- JWT auth with refresh tokens, roles and permissions
- Multi-tenancy: schema-per-tenant or shared schema
- Stripe subscriptions, plans, trials and webhooks
- Celery and Redis for email and scheduled jobs
- S3 uploads, Elasticsearch, OpenAI document parsing
- Docker, GitHub Actions CI/CD, AWS deployment
- Swagger docs and pytest on the critical paths
HOW I WORK
A written scope before any code. Daily progress updates. Readable commits. You own the source, and the repo is one your next developer can read.
Tell me what you are building and I will reply with an honest scope, timeline and price.
Get to know Arbind
Arbind
Data Engineer
- FromNepal
- Member sinceMay 2018
- Avg. response time1 hour
Languages
English, Nepali, Hindi
I'm a Data & Backend Engineer with 5+ years of experience building scalable ETL pipelines, cloud data platforms, and robust backend systems. My expertise spans Python, PySpark, SQL, AWS, GCP, Databricks, and backend frameworks like FastAPI and Grails. I've delivered large-scale data migrations, real-time processing pipelines, and production-grade APIs for clients across industries. I'm detail-oriented, deadline-driven, and committed to writing clean, maintainable code. Let's build something reliable together.
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FAQ
Do I own the code you write?
Completely. I push to your private repository, you hold the only long term access, and I sign an NDA before we start if you want one.Completely. I push to your private repository, you hold the only long term access, and I sign an NDA before we start if you want one.
Can you work on my existing backend instead of starting fresh?
Yes, and it is often cheaper. Send me read access to the repo. I will review it and come back with a fixed scope and price before you order anything.
What is multi-tenancy and do I actually need it?
It keeps each customer's data separated inside one application. You need it if you sell to companies. If you sell to individual consumers you usually do not, and I will tell you so rather than sell you the bigger package.
Do you build the frontend too?
I focus on the backend and the API. I deliver documented endpoints your React, Next.js, Vue or mobile developer can plug into, and I stay available to answer their questions during integration.
Can you deploy it, or do I need a DevOps person?
I deploy it. Docker, GitHub Actions and a live server on AWS, DigitalOcean, Render or Railway. That is included in Premium and available as an extra on the other packages.
FastAPI or Django - which should I pick?
FastAPI for APIs, high concurrency and async work. Django when you want a built-in admin panel and a large ecosystem of ready-made apps. Tell me your product and I will recommend one, not both.
How do I know the work is progressing?
You get repo access from day one, a commit history you can watch, and a short written update every working day. Nothing arrives as a surprise at the deadline.
What happens if something breaks after delivery?
Bugs in code I wrote are fixed free for 14 days after delivery. Beyond that, the 30 day support extra covers fixes, small changes and deployment help.
