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.
React, Next.js, PHP, Symfony
Clean, maintainable code
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.
Code Quality Consulting
Expert code audits for PHP, JavaScript, and AI-generated codebases. We identify security vulnerabilities, performance bottlenecks, and technical debt in vibe-coded projects and deliver actionable fixes.
Legacy Code Optimization
Modernize PHP 5.x/7.x to PHP 8+, migrate outdated frameworks to Symfony 6+, and refactor monoliths into scalable microservices. Reduce maintenance costs by up to 40%.
Custom Software Development
Build tailored web applications with PHP/Symfony backend and React/Next.js frontend. From MVP to enterprise-scale systems with CI/CD, cloud deployment, and ongoing support.
Web Application Development
High-performance, SEO-optimized web apps with React 18, Next.js 14, TypeScript, and modern API architectures (REST, GraphQL). Mobile-first, accessible, and built for conversion.
Tech Stack Strategy
Choose the right technologies for your business goals. Expert guidance on PHP vs Node.js, SQL vs NoSQL, monolith vs microservices, and cloud provider selection (AWS, Azure, GCP).
Digital Transformation
End-to-end digital transformation roadmaps: process automation, cloud migration, API-first architecture, and DevOps implementation. Measurable ROI with reduced operational costs.
Modern Tech Stack: PHP, React & Cloud Infrastructure


PHP & Symfony
Expert backend development with PHP 8 and Symfony 6+


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
Industry-Specific Software Solutions
18+ years of experience delivering compliant, secure, and scalable solutions across highly regulated industries. We understand sector-specific challenges - from GDPR compliance in FinTech to HIPAA requirements in Healthcare.
E-Commerce & Retail
Building scalable online stores and retail management systems with focus on performance and user experience.
FinTech & Banking
Developing secure, compliant solutions for financial services, from payment processing to banking applications.
Healthcare & MedTech
Building secure and innovative healthcare platforms that enhance patient care and streamline medical workflows.
Real Estate & PropTech
Streamlining property management and real estate operations with modern digital solutions.
Education & E-Learning
Building engaging learning platforms and educational technology solutions that enhance the learning experience.
Travel & Hospitality
Developing booking systems and travel platforms that prioritize user experience and efficiency.
Latest Insights
Explore our latest thoughts on software development, technology trends, and best practices.
Stripe Integration Patterns: Subscriptions, Webhooks, and the Hardening You Need Before Launch
Missed webhooks, idempotency bugs, test/live key mix-ups — every SaaS ships a broken Stripe integration at some point. Here are the production patterns that prevent billing incidents before your first invoice goes wrong.
Feature Flags for SaaS: Progressive Delivery Without the Rollback
Feature flags decouple deployment from release — but without discipline, they become a graveyard that slows your team down. Learn how to design a clean flag lifecycle, choose the right flag type, and implement progressive delivery in Symfony and Next.js without paying for LaunchDarkly.
Multi-Region SaaS Architecture: Data Residency That Actually Holds Up in a GDPR Audit
European enterprise buyers now demand EU-only data residency — but most SaaS architectures fail the moment a real auditor starts asking questions. Here is how to build multi-region data isolation that genuinely holds up.
Observability for Small SaaS Teams: The Minimum Viable Stack in 2026
Datadog bills are climbing faster than seed-stage budgets. Here is the minimum viable observability stack that still catches real incidents—structured logs, OpenTelemetry traces, and SLO discipline without the enterprise price tag.
Usage-Based Billing Engineering: Metering, Invoicing, and the Edge Cases That Bite
Usage-based pricing is everywhere in 2026, but the engineering behind it is deceptively hard. This post covers realistic metering architectures, Stripe Metering integration, and the edge cases — proration, deduplication, plan-change timing — that quietly destroy your finance team's trust.
Next.js 15 Partial Prerendering: Real-World Patterns and Tradeoffs
Partial Prerendering promises static-site speed with dynamic personalization. Here is what that actually looks like in production — including the cache-invalidation bugs teams hit and the patterns that prevent them.
Let's Work Together

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.
