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.

8 min read

SaaS Feature Gating: Entitlements, Plan Limits, and the Architecture That Scales

Feature gating looks trivial until the third pricing change. Here is the entitlement architecture that survives new plans, custom enterprise limits, and plan migrations without a rewrite.

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11 min read

Webhook Security: HMAC Signatures, Replay Prevention, and Verification in Symfony

Most teams verify webhook signatures incorrectly, if they verify them at all. Here is the full picture: HMAC signing on the raw body, timing-safe comparison in PHP, replay prevention with Redis, and a retry-safe Symfony consumer.

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7 min read

RAG for Customer Support: Cutting Ticket Volume With a Document-Grounded Answer Engine

A practical architecture for a support answer engine: ingesting docs and resolved tickets, hybrid retrieval in pgvector, and the confidence threshold that keeps wrong answers away from customers.

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8 min read

Healthcare SaaS Compliance in Europe: EHDS, MDR, and What Engineers Must Actually Build

EHDS and MDR read like legal texts but land as engineering work: FHIR endpoints, classification triggers, audit trails, and certification paths. Here is what a healthtech SaaS team has to build on a Symfony and PostgreSQL stack.

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8 min read

How to Prepare Your Codebase for a Code Audit: What to Clean Up Before We Start

What to set up in the two weeks before a code audit, what your auditor needs from the team on day one, and why polishing the code right before the review is the one thing you should skip.

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9 min read

Software Consultancy vs Software Agency: Which Model Fits Your Engagement?

Buyers use consultancy and agency as if they meant the same thing. The contracts behind the two words are very different, and picking the wrong model is expensive.

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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.