Full-Stack Development Experts

Berlin-Based PHP & React Development Experts Building Solutions That Scale

A Berlin-based consultancy with 18+ years of expertise in custom software development, legacy code modernization, and digital transformation. We rescue stalled vibe-coded projects, harden AI-generated code for production, and help businesses across Europe build secure, high-performance web applications with PHP/Symfony, React/Next.js, and cloud-native architectures.

18+ Years Experience
60+ Projects Delivered
Modern Tech Stack

React, Next.js, PHP, Symfony

Code Quality

Clean, maintainable code

Full-Stack Expertise

Front-end to back-end

Custom Software Development Services

We help tech-driven businesses across Europe build, optimize, and scale with expert PHP/Symfony and React/Next.js development. Whether you need to rescue a stalled vibe-coded project, secure an AI-generated codebase, build from scratch, or modernize legacy systems, we bring proven expertise to accelerate your growth.

Modern Tech Stack: PHP, React & Cloud Infrastructure

PHP programming language
Symfony framework

PHP & Symfony

Expert backend development with PHP 8 and Symfony 6+

React library
Next.js framework

React & Next.js

Modern frontend with React 18, Next.js 14, and TypeScript

Cloud & DevOps

AWS, Docker, CI/CD pipelines, and infrastructure automation

Database & API

MySQL, PostgreSQL, MongoDB, and RESTful/GraphQL APIs

Latest Insights

Explore our latest thoughts on software development, technology trends, and best practices.

9 min read

Doctrine ORM 3 Upgrade: Performance Wins and the Breaking Changes Every Symfony Team Will Hit

Doctrine 3 rewrites hydration from scratch and introduces strict type coercion that silently corrupts data in Doctrine 2 code. Here is the upgrade path, the benchmark numbers, the Rector rules, and the deployment sequence that keeps you out of a multi-day rollback.

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10 min read

Legacy React to Next.js App Router: An Incremental Migration Without Breaking Production

Running CRA or Pages Router in production and eyeing App Router? Here is the realistic incremental path — route-by-route, shared auth, no forced rewrites, and the gotchas that send teams back to square one.

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8 min read

Stripe Integration Patterns: Subscriptions, Webhooks, and the Hardening You Need Before Launch

Every SaaS ships a broken Stripe integration at some point. Here are the production patterns — webhook verification, idempotency, reconciliation jobs — that prevent billing incidents before they hit your customers.

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10 min read

Adding AI Features to an Existing Symfony or Next.js SaaS: A Retrofit Playbook

Most SaaS teams in 2026 are retrofitting AI into mature codebases, not building AI-native from scratch. Here is a practical engineering playbook for adding LLM features to existing Symfony or Next.js applications without breaking what already works.

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12 min read

Audit Log Architecture for B2B SaaS: Tamper-Evident Logs Enterprise Buyers Actually Trust

Most SaaS audit logs are glorified change streams — mutable, out of context, and useless when an enterprise client demands a forensic export. Learn how to design production-grade audit logs in Symfony and PostgreSQL: append-only storage, cryptographic chaining, actor attribution across async workers, and retention policies that satisfy GDPR and SOC 2 at the same time.

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11 min read

Carbon-Aware SaaS Architecture: What CSRD and Green Procurement Questions Actually Require

Enterprise procurement questionnaires now ask for carbon footprint data, and CSRD is pulling scope-3 SaaS emissions into buyer disclosures. Here's the engineering side: SCI measurement, carbon-aware scheduling, low-carbon region selection, and what buyers actually accept as evidence.

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Let's Work Together

Sandor Farkas - Founder and Lead Developer at Wolf-Tech Berlin

Sandor Farkas - Founder & Lead Developer

Let's discuss your project requirements. Free initial consultation to explore how we can help you achieve your technical goals.