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Backend Development

A backend that holds up as your product grows

The backend is the quiet half of your product: the APIs, data models and infrastructure sitting under everything your users touch. We build it to stay fast and steady as you grow, so the half people notice keeps working.

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What backend development covers

We build the backend of your product with care: API design, data modeling, third party integrations and the architecture underneath, built to stay fast and steady as your product, and the load on it, get bigger.

API development

The interfaces your front end, mobile apps and partners build against.

Data modeling

Structuring the data your product depends on so it stays accurate, fast to query and easy to change.

Third party integrations

The payments, messaging, identity and other services your product leans on.

Architecture

Systems designed to hold up under real usage and grow with the product.

Performance and scale

Keeping the backend fast as traffic, data and complexity climb.

Observability

Knowing what's happening in production before your users have to tell you.

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Web Development and Mobile Development build what consumes these APIs. DevOps & Cloud runs them.

What we work with

Languages and runtimes

Node.js
Python
Go
Java
Kotlin

Frameworks

Express and NestJS
Django and FastAPI
Spring Boot

APIs

REST
GraphQL
gRPC
webhooks

Data

PostgreSQL
MySQL
MongoDB
Redis
Elasticsearch

Cloud and serverless

AWS
GCP
Azure
Lambda and Cloud Functions

Messaging and async

Kafka
RabbitMQ
SQS
background jobs and queues

Auth and identity

OAuth2
JWT
SSO
role based access control

How we work it

01

Contract first

The API contract agreed up front, so your front end, mobile and partner teams build in parallel instead of waiting on each other.

02

Build with tests

Automated tests on every endpoint from the first one, because a backend you're afraid to change is one that's already holding you back.

03

Load and observe

Realistic load and full instrumentation before launch, so you see how it behaves under pressure before your users do.

API contract, services and a live latency chart

Who does this work

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Backend Engineers

Senior and mid level, building the services, APIs and data layer inside your repositories and standards.

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Tech Lead

The architecture decisions and the technical direction.

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DevOps Engineer

Deployment, infrastructure and monitoring.

DevOps & Cloud

Where this capability fits

You are buying
Backend development shows up as
Custom Software Development
The engine under the product, from data layer to API
Product Scaling & Evolution
Backend refactoring, performance work and architecture changes as the product grows
AI Enablement
The services and data pipelines that let AI features run reliably in production
You can also add backend engineers to your team.
Staff Augmentation

Success cases

Wrist Goal
Entertainment

Wrist Goal

Wrist Goal is a smartwatch app delivering live football scores and match events to Huawei wearables, built by Somnio and launched natively on HarmonyOS NEXT with a template-based architecture ready to scale to future tournaments.

Read more
Mobile App Development
CAA Club Group of Companies (CCG)
Automotive

CAA Club Group of Companies (CCG)

We partnered with the Canadian Automobile Association (CAA) to elevate member services through technology, delivering a seamless experience across Ontario.

Read more
Full Product Development

What our clients say

Tosan Lee

“Their approach started with a Product Discovery phase, including user research, UI/UX design improvements, and technical assessments to ensure scalability. Their proactive work made a real difference in the project's success”

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Tosan Lee
Tosan Lee
Co-Founder, Tracer Golf
Auston Anon

“Somnio Software has delivered an MVP that meets the changing needs of AI users. They've communicated effectively, have been highly responsive, and their project management is excellent. Their developers have become thought partners.”

Read the whole review
Auston Anon
Auston Anon
CEO, Fusion AI

Ready to Start Your Journey?

Belén
Technical Business Developer

I would love to talk to you about your project or needs.

Fill in the form or send us an email to hello@somniosoftware.com

Schedule a call

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Let’s talk!

Got an idea? We’ve got the skills.

Fill out our contact form and we’ll get in touch!

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FAQs

Still have some doubts?
No worries, here are some frequently asked questions that may help you.

What is backend development?

Backend development is the engineering behind what users see: the servers, databases, APIs and logic that power the interface. It's where your data is stored, requests are handled and the rules of the product actually live.

Should we use REST or GraphQL?

It depends on how your data is shaped and how your clients will use it. REST fits most products. GraphQL earns its place when clients need to pull varied, nested data in one request. We'll talk it through with you and recommend one, with the reasoning behind it.

Monolith or microservices?

For most products, a monolith is the right place to start, and microservices solve problems of scale and team size you may not have yet. We'll help you match the architecture to where your product actually is today, not where a diagram says it should be.

Can you work with our existing backend?

Yes, and often that's exactly where we come in. We start with a review of the data model, the API surface and the parts that hurt under load, then take it from there with you.

How do you handle scale?

We design for the load you have plus the load you can already see coming, instrument early, and change the architecture when the numbers say to, not before. No rebuilding for traffic that may never arrive.

Send us the API

Tell us what you're building, or point us at the system that's giving you trouble. We'll take a look and tell you straight what we'd change.

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José Ellauri 1142
Montevideo, Uruguay
11300
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+1 305-203-1734 - US
Clutch Award Top B2B Company 2022
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