I will build scalable secure and custom built backend as a service


About this gig
Welcome to premium, production-ready backend development.
If you are a startup founder or a software team looking for a scalable, secure, and blazing-fast application backbone, you are in the right place. I build custom Backend-as-a-Service (BaaS) platforms engineered to scale seamlessly from day one.
How We Collaborate:
To ensure your platform is meticulously tailored to your unique business needs, our engineering workflow follows a proven, transparent process:
- Discovery & Architecture Alignment: We map out your system goals, tenant structures, and technical scope via Fiverr chat before any code is written.
- Foundation & Environment Setup: I build out the secure data models and containerized environments.
- Integration & Security Layering: I implement core business logic, API routings, and authentication protocols.
- Review & Refinement: You thoroughly test the deployment, and we fine-tune the system to perfection.
How We Collaborate:
- Custom BaaS & API Development (FastAPI, Python)
- Secure Multi-Tenant System Architecture & Data Isolation
- Advanced Authentication (Key cloak, JWT, OAuth2)
- Containerized Environments (Docker & Docker-Compose)
- High-Performance
Get to know Buddhika C
Freelance FullStack Developer
- FromSri Lanka
- Member sinceJan 2014
- Avg. response time4 hours
Languages
Sinhala, English
My Portfolio
FAQ
Do you build fully custom BaaS architectures or use pre-made templates ?
Every platform I design is 100% custom-built tailored specifically to your data needs and software workflow. I write modular, clean code (such as Python/FastAPI backend engines) structured to scale cleanly as your user base grows. I do not use cheap or generic templates.
How do you ensure the multi-tenant architecture is completely secure
Security is non-negotiable. I implement strict data isolation practices at the database level to ensure data separation between tenants. Access control is managed using robust centralized systems like Keycloak authentication, JWT tokens, or custom OAuth2 setups depending on your operational blueprin
Will my Backend-as-a-Service system be production-ready and deployment-friendly?
Absolutely. I containerize your entire ecosystem using Docker and write structured Docker-Compose files. This ensures your staging and production environments match perfectly, making deployments onto services like AWS, DigitalOcean, or private servers completely painless.
Can you integrate complex processing pipelines and background data workflows
Yes. If your BaaS requires automated pipelines, data ingestion loops, or heavy background processing, I can integrate dedicated workflow orchestration engines like Apache Airflow or robust asynchronous task queues into your infrastructure.
What do you need from me before I place an order?
Please send me a brief message detailing your core platform goals, your target user base, and any specific tools or frontends (like Next.js) you plan to connect. Once we review your technical requirements together, I will recommend the best package tier or create a tailored Custom Offer for you.

