Backend Development
Robust APIs, databases and server-side systems that power your apps securely and at scale.
The engine behind your product
We build the backends that make products reliable: well-designed APIs, solid data models, authentication, payments and integrations. Secure, tested and built to scale as your usage grows.
What you get
APIs & services
Clean REST/GraphQL APIs designed to last.
Databases
Well-modelled SQL/NoSQL data that stays fast under load.
Auth & payments
Secure login, roles and billing integrations.
Scalable & tested
Built with testing and performance in mind from the start.
What we cover
REST & GraphQL APIs
Clean, documented APIs built to last.
Real-time systems
Websockets, streaming and live updates.
Database architecture
Well-modelled, fast data at scale.
Microservices & event buses
Decoupled services that scale independently.
Auth & identity
Secure login, roles and SSO.
Cloud infrastructure
Deploy, scale and monitor with confidence.
Technologies we use
How we work
The same clear path on every project - you always know what's next.
- 1
Discover
We learn your goals, users and constraints, then agree on a fixed scope and quote.
- 2
Design
Wireframes and a clickable UI so you see the product before we write code.
- 3
Build
We ship in weekly increments you can review - no black boxes.
- 4
Launch & maintain
We go live, measure, and keep improving with an ongoing care plan.
Why teams choose Blenvo
Fixed, transparent quotes
You approve the scope and price before we start - no surprises.
Weekly demos
See working software every week and steer as we go.
You own everything
100% of the code and IP is yours, from day one.
Frequently asked questions
Can you build a backend for our existing app?
Yes - we can add or rebuild the backend for an existing frontend or mobile app.
Which technologies do you use?
Node.js, Python and others chosen to fit the project.
Do you handle security?
Yes - authentication, authorization and data protection are built in.
Related services
View all servicesReady to get started?
Book a free intro call and we'll map out the fastest path for your project.