Backend and API development
Every app needs something behind it: accounts, data, payments and integrations. I design the data model first, then build the API around it in Node.js, NestJS or serverless Workers.
Now booking new projects
What’s included
What you get
REST and JSON-RPC APIs in Node.js and NestJS
Serverless APIs on Cloudflare Workers
Database design, modeling and performance tuning, including MSSQL
Sign-in, roles and permissions
Payment and purchase verification, including Google Play
Integrations with third-party services and existing systems
Good fit
Who it’s for
Apps that need a backend and don’t have one yet
Teams with slow queries or a data model that’s fighting them
Businesses connecting an app to existing systems
Why Leibreich Technologies
Database engineer at heart
The data model is the part of a product that has to be right first. I start there.
APIs that apps actually use
I’ve built the mobile apps on the other end of APIs for years, so endpoints are designed around real screens.
Right-sized hosting
Serverless where it keeps costs near zero, a traditional server where the workload needs one.
Questions
Can you work with our existing backend?
Yes, including Node.js, NestJS and ColdFusion APIs and SQL Server databases.
Where will the backend be hosted?
In your own cloud account, so you own it. Cloudflare Workers is a good default for small APIs; larger systems can run wherever you already host.
Tell me what you’re building
A short brief is enough to start. You’ll hear back from the engineer who would build it.