Services/Web Development/Back end

Back-End Development

The server side of web and mobile products: APIs, databases, integrations and admin panels. We write it in Go, Python, PHP, C# and Node.js.

Talk to our experts See back-end case studies

Which language fits your back end?

We choose the language for the task, not the other way round. These are the five we work in.

Go

by Google

A compiled language built for services that handle many requests at once and stay cheap to run.

  • Gin
  • gRPC
It fits when
  • The system is split into services that talk to each other
  • Thousands of users or devices are online at the same time
  • Response time and server costs matter from day one

Python

Django, FastAPI and Flask

The shortest way from an idea to a working back end, and the language of machine learning and data.

  • Django
  • FastAPI
  • Flask
It fits when
  • The product uses AI, recognition or data processing
  • You need an MVP with an admin panel quickly
  • The team will later hire from a large pool of developers
Python for business: pros and cons

PHP

Laravel, Symfony and Yii

The most common language of the web, with mature frameworks for platforms, portals and online stores.

  • Laravel
  • Symfony
  • Yii
It fits when
  • You are building a web platform, a marketplace or a store
  • An existing PHP system has to be extended or modernized
  • Hosting and support should stay simple and inexpensive
PHP for business in 2026

C#

.NET and ASP.NET Core

Microsoft's platform for business systems: strict typing, long support cycles and close ties with Azure.

  • ASP.NET Core
  • Entity Framework
It fits when
  • The rest of your systems run on Microsoft technology
  • The product has complex business rules and many integrations
  • Mobile or desktop apps in C# should share code with the server

Node.js

JavaScript and TypeScript

JavaScript on the server: one language for the front end and the back end, and a good fit for real-time features.

  • NestJS
  • Express
It fits when
  • Your front-end team should be able to work on the server too
  • The product needs chats, live tracking or notifications
  • A light API for a web or mobile app is all you need

What a back end consists of

The parts users never see, and what each of them does for the product.

APIFor apps and partnersThe interface your mobile app, your website and other companies' systems talk to.
DatabaseData modelThe structure your data lives in, designed so that reports stay fast as the data grows.
IntegrationsOutside servicesPayments, maps, messaging, CRM and accounting systems connected to your product.
Admin panelFor your staffA place where your team manages users, content and orders without calling a developer.
Background jobsQueuesEmails, reports, imports and other long tasks that run without making the user wait.
DeploymentCloud and releasesServers in the cloud you choose, automated releases and monitoring that tells us first when something breaks.

Back ends we have built. Each case shows the stack, the task and what was hard.

All case studies
PythonTruck parts identification appA Python back end that names heavy-truck parts from photos with a vision model and fixed rules.Computer vision · Python · Flutter GoTaxi fleet platformA subscription platform for taxi fleets: dispatching, pricing and payments on Go services.Go · Flutter PHPABC Stars online English schoolLive video lessons, scheduling and parent reports on Laravel.Laravel · PHP

Engagement models

Three ways to work with us. We help you pick one on the first call.

Dedicated TeamLong projects, open scope

Our engineers work as an extension of your team, under your lead or ours.

orFixed BidClear scope, fixed budget

We agree on the scope, the price and the deadline before the work starts.

orTime & MaterialsScope that changes

You pay for the hours worked and change priorities whenever you need.

Client's testimonial
We turned to the 24Gen team when the project was in a critical stage. Deadlines were looming, and the product was far from ready. From the very beginning, we were impressed by the team's professionalism and accountability. In a short time, they assembled an MVP, set up scrum processes, and introduced an AI-based solution for moderation. Despite tight deadlines, all key modules were delivered on time and with solid quality. We are very satisfied with the collaboration and confidently recommend 24Gen as a reliable partner for large-scale projects.
Max AdamsInvestor
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Questions about back-end projects

Did not find yours? Ask us directly.

Ask a question

Which language do you recommend for a new back end?

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It depends on the product. Go for systems with many services and high load, Python when the product involves AI or needs a fast start, PHP for web platforms and stores. If your team already works in one of them, we usually stay with it.

Can you build only the back end for our app or our front-end team?

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Yes. We agree on the API with your developers first and document it, so both sides can work in parallel.

Can you take over an existing back end?

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Yes. We start with a code audit to see what the codebase can support, then propose a plan for what to keep and what to rebuild, and start once you approve it.

Will the system cope when the number of users grows?

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We ask about the expected load at the start and design for it. Before the launch we test the system under that load and show you the result.

Where will the back end be hosted?

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In the cloud you choose, for example AWS or Azure, under your own account. The servers and the data stay yours.

How do you estimate the cost?

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After the first call we break the task into parts and send you a written estimate. When the scope is clear, we fix the price and the deadline. When it is open or likely to change, we work on time and materials or as a dedicated team.

Who owns the code? Do you sign an NDA?

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You do. The code and all rights to it pass to you in full. We sign an NDA whenever you need one.

Tell us about your product

Describe the task in a few lines. We will get back to you to set up a call.

info@24gen.space
 






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