Symfony Agency

SYMFONYROBUSTPHP BACKENDS

With Symfony we build maintainable backends and APIs with a clear architecture – the framework that platforms like Shopware are built on.

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We areSymfonydevelopers

We use Symfony components, dependency injection and well-structured bundles so business logic stays testable and teams can keep building safely.

REST and API platform with a clean structure
Doctrine ORM and well-designed data models
Authentication, security and permission concepts
Tests, CI/CD and stable deployments

Components & bundles

Symfony's modular components can be used individually or as a full framework – we choose the cut that fits your project.

Doctrine & data models

With Doctrine ORM we model domains cleanly and keep database access traceable, performant and migratable.

APIs & interfaces

Whether REST or API Platform: we build documented, versioned interfaces that reliably serve frontends and third-party systems.

Security & maintainability

Authentication, permissions and automated tests keep your backend stable under load and over the years.

Selected references

Bike Discount

EUROPAS BIG PLAYER IM ZWEIRAD SEGMENT

E-Commerce
Shopware
Migration

XBoard Shop

DAS SURFBRETT FÜR DIE STRAßE

E-Commerce
Shopware
Node.js

Etikettenmeister

PERFEKTE ETIKETTEN. PUNKT.

E-Commerce
Shopware

Mellerud

SHOPWARE 6 ENTERPRISE

E-Commerce
Shopware
Migration

ENRA

SAFE RIDE – DIGITAL INSURANCE

Enterprise
Webdesign
PHP

Apple of Eden

MODERN FOOTWEAR – STYLE MEETS COMMERCE

E-Commerce
Shopware
Migration

Thea Mika

BEAUTY COMMERCE

E-Commerce
Shopware
Migration

Services &solutions

From API backend to custom business application – including architecture, tests and operations.

Backend architecture and API development
Integration with Shopware, ERP and third-party systems
Migration and modernisation of legacy PHP
Code reviews, tests and CI/CD pipelines

Headless backends for commerce

Symfony provides the business logic behind shops and portals – as a stable API for React, Vue or mobile frontends.

Custom business applications

Complex processes, roles and workflows: we model your operations in maintainable, testable backend logic.

Why nextlevels

Your edge with Symfony

Symfony stands for long-lived, maintainable software instead of quick hacks. Its clear conventions keep code understandable even years later.

Experience with Shopware and Symfony-based systems
Clear architecture instead of grown spaghetti code
Secure authentication and data access
Maintainability and test coverage as standard

Related services

Ready for your Symfony project?

Let's talk about your requirements – we'll get back to you within 24 hours with concrete next steps.

Paul Kalisch
Executive Partner

info@nextlevels.de +49 (0) 2161 539 71 60

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Frequently asked questions about Symfony

When is Symfony the right choice for our backend?

Symfony pays off when you need a long-lived backend or API with a clear architecture that stays maintainable for years. The framework is proven and forms the foundation of platforms like Shopware, which makes it a solid choice for demanding business logic. It is especially strong when your team needs to keep building safely without the codebase becoming harder to manage with every feature.

How do you approach a Symfony project?

We rely consistently on Symfony components, dependency injection and well-structured bundles so your business logic stays testable and cleanly separated. For the data layer we use Doctrine ORM with well-designed data models instead of scattered database access. Tests, CI/CD and stable deployments are part of the plan from day one, not just before go-live.

How do you integrate Symfony with our existing systems?

We build REST and API Platform endpoints with a clean structure so Symfony communicates reliably with Shopware, ERP and third-party systems. Authentication, security and well-thought-out permission concepts are factored in from the start. The result is a stable integration layer that connects your existing landscape rather than replacing it.

Can you migrate our old PHP project to Symfony?

Yes, migrating and modernising legacy PHP is one of our core areas. We work step by step, wrap organically grown logic behind clean Symfony structures and secure each step with tests. To be honest, a full rewrite is not always worth it; a targeted modernisation of the existing code is often the lower-risk and more cost-effective path.

When is Symfony NOT the right choice?

For a simple static website or a small prototype, Symfony is usually overkill and lighter tools are a better fit. If your team is already heavily committed to a different stack, adopting it should be weighed carefully rather than forced. Symfony shows its strengths with maintainable backends that carry real business logic and are meant to evolve over years.