Backend Development Company
The part of the product users never see, built to hold up as usage grows.
Backend & APIs that actually ships
Backend architecture decisions made early — how data is modeled, how services talk to each other, what's cached and what isn't — are expensive to unwind later. We build them right the first time.
EinsLayer builds backend systems primarily on Node.js and Java/Spring Boot, with PostgreSQL, MySQL, MongoDB, or Redis depending on what the data actually needs.
Whether it's the API layer behind a mobile app, a standalone service, or integration between existing systems, backend work is scoped around real load and real data, not hypothetical scale.
Services offered
- →REST API design and development
- →Backend architecture for new products
- →Database design (PostgreSQL, MySQL, MongoDB, Redis)
- →Third-party API and service integration
- →Authentication and authorization systems
- →Performance optimization and caching
- →Backend support for existing mobile and web apps
Tech stack
Who this is for
How we work
Discover
Understand your business, users, goals, and technical requirements.
Design
Turn ideas into user flows, architecture, prototypes, and interfaces.
Build
Develop the product using modern, scalable technologies.
Launch
Test, deploy, monitor, and release your product confidently.
Scale
Improve, optimize, automate, and evolve as your business grows.
Related projects
Frequently asked questions
What backend technologies does EinsLayer use?+
Primarily Node.js and Java with Spring Boot, paired with PostgreSQL, MySQL, MongoDB, or Redis depending on the data and access patterns involved.
Can you build the backend for an app that's being designed elsewhere?+
Yes — backend and API work is often scoped to support a mobile or web frontend being built in parallel, including by another team.
Do you handle authentication and security?+
Yes — authentication, authorization, and secure API design are a standard part of backend engagements, not an add-on.
Ready to start your backend & apis project?
Tell us what you’re building — we’ll scope it honestly and give you a real estimate.
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