Practical insights and guides on PHP/Symfony, React/Next.js, legacy modernization, and software architecture, drawn from 18+ years of building web applications for European businesses.
Teams rarely commission a code audit until something breaks. These are the ten structural warning signs that separate manageable technical debt from audit-justifying risk, and what a review would find in each case.
Read moreA developer portal is the difference between an integration that takes two hours and one that takes two weeks. Here is what a production-grade portal for your SaaS API actually needs, and how to build each part.
Read moreThe OTel Collector docs explain what it is and barely how to run it. Here are the batch, memory limiter, retry, resource, and tail-sampling configs that keep it alive under load.
Read moreMost SaaS teams overestimate the value of being in the App Store and underestimate the cost of a native app. This is a decision framework, not a technology tour: the five questions that justify native, the real PWA ceiling in 2026, where Expo fits, and what shared code with a Next.js web app actually buys you.
Read moreMost Symfony security tutorials stop at firewalls and access_control. This guide covers the patterns that actually protect a B2B SaaS: object-level voters, the modern authenticator interface, stateless JWT, safe user impersonation, and audit logging on every auth event.
Read moreMost Symfony + Next.js pipelines grow by accretion until they take 18 minutes and nobody trusts them. Here is a pipeline designed from first principles: a parallel job graph, fast deterministic fixtures, Docker layer caching, migration-safe deploys, and branch protection that does not require babysitting.
Read moreArchitecture decision records are recommended everywhere and maintained almost nowhere. Here is a lightweight ADR process teams actually keep alive, with a five-line template.
Read moreSentry is the default error tracker for SaaS teams, but pricing at scale and EU data residency push many toward alternatives. A practical comparison of managed Sentry, self-hosted Sentry, GlitchTip, Highlight.io, and Rollbar, with a decision matrix and the setup Wolf-Tech uses for Symfony and Next.js projects.
Read moreThe schema decisions you make in week one of a SaaS project set your performance ceiling for years. Here are the 8 choices that separate databases that scale from databases that need painful migrations, from ID strategy to multi-tenant indexing.
Read moreNext.js Middleware runs before every request, and the Edge Runtime it runs in rejects most of what your team knows about Node.js. This post covers the production patterns that hold up: WebCrypto JWT verification, matcher configuration, redirect loops, and the debugging workflow when console.log goes silent.
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