CTO as a Service

Agentic Engineering & AI Coding – From Vibecoding Prototype to Stable Production

CTO as a Service – Agentic Engineering & AI Coding – From Vibecoding Prototype to Stable Production

AI coding and vibecoding create working applications quickly – a new way to build. For production, performance and security, the black box is not enough. CTO as a Service takes over: ingest agentic engineering output, rebuild on a proven software stack, automate, deploy and operate. All LLM token costs for development are included – no expensive Claude Max accounts required. No product management, no product design – pure technical ownership.

Agentic Engineering & AI Coding – How CTO as a Service Works

Founders and CEOs build applications with AI coding and vibecoding – fast, affordable, with real enjoyment. Stable production needs someone who reads and understands the source code. That is CTO as a Service: agentic engineering output is rebuilt on a proven stack with automated tests and software patterns, including deployment and operations. All LLM token costs for development are included – no expensive Claude Max accounts or comparable subscriptions. Nothing fundamentally new since before the AI era – but dramatically cheaper, faster and more enjoyable to build.

How We Work Together

There is only one collaboration model: you prototype with vibecoding, CTO as a Service takes over technical ownership – then ongoing operation is possible.

#1: Vibecoding Prototype

Illustration: Prototype built with vibecoding by the founder team.

You or your team build the application with vibecoding – fast and with full product control. The prototype is the functional reference for everything that follows. Product vision and design stay with you.

#2: CTO Takes Over

Illustration: CTO takes over technical ownership and builds for production.

CTO as a Service ingests AI coding and vibecoding output, rebuilds on a proven stack, tests, deploys and hardens for production. All LLM token costs for development are included – no Claude Max subscription needed.

#3: Ongoing Operation

Illustration: Ongoing operation and technical support in production.

Your application runs stably in production. The CTO remains responsible for releases, monitoring, security updates and technical architecture decisions – clearly separated from the product.

Experienced CTO Leadership

The CTO role is filled by an experienced software developer and architect with at least 15 years of professional experience. This brings not only implementation capacity but long-standing architecture and engineering management: decisions on stack, quality, deployment and operations are based on extensive practice from numerous projects.

Agentic engineering differs significantly from classic hand-written code: every project generates thousands of lines of code daily. The CTO ensures code quality and software stability remain sustainable – only possible with a proprietary stack optimized over months and fixed quality processes, not with opaque black-box tools.

The CTO Stack for Agentic Engineering

The CTO as a Service software stack is built on PHP, Java, MySQL and Elasticsearch – developed over months, tuned for stability and designed for high code volume from AI coding and agentic engineering. Based on diverse project requests, the stack is currently being extended with Python and TypeScript. It is a curated mix of established open-source frameworks: used where they work with agentic engineering – and without frameworks that prove problematic in practice with mass-generated code.

Behind the stack lies experience from many projects on which technologies remain stable with AI-assisted development and which do not. Comparable to a proprietary, long-maintained development foundation – not an opaque black box like typical vibecoding platforms, but a managed service with traceable source code. This includes monitoring and test environments built specifically for release safety at high generation rates.

PHP

Backend core of the CTO stack: PSR standards, clear layered architecture and patterns that remain stable under high AI code volume.

Java

Enterprise backend components in the same quality framework – for services and integrations running alongside PHP production environments.

MySQL

Relational production database for stable transactional data – embedded in automated tests and migration workflows.

Elasticsearch

Search, analytics and scalable data access for production workloads – aligned with the CTO stack.

Python & TypeScript

Stack expansion based on concrete project requests – Python for specialized services, TypeScript for modern frontend and tooling paths.

Monitoring & Tests

Dedicated monitoring, staging and test environments – built specifically for high generation rates, release safety and ongoing quality control.

Three Pricing Models for CTO as a Service

Daily Rate

Transparent and fair: CTO services on a daily rate basis, calculated individually. Ideal for clearly scoped handovers – e.g. transitioning a vibecoding prototype to a production stack. Example: stack migration of an MVP over 10 CTO days. All LLM token costs for development are included – no expensive Claude Max accounts required. Source code is transferred to the customer and remains the customer's property.

Retainer

Ongoing CTO support with predictable monthly costs: deployment, monitoring, updates and technical decisions. Example: a SaaS product with a monthly CTO retainer including maintenance and release management. All LLM token costs for development are included – you do not need a Claude Max subscription. Source code can be transferred when switching.

Equity Participation

CTO services in exchange for equity – for startups with strong product focus and limited budget who want to benefit from professional technical leadership long term. Example: early stage, CTO supports stack build and production go-live for equity. All LLM token costs for development are included – no expensive LLM subscriptions on your side. Source code is transferred to the customer.

Projects in Production

These projects run on our proven software stack in production: clean architecture, automated tests, reliable deployment. They show what CTO as a Service delivers in practice – from database to frontend.

SEO-Day AmzRadar

Monitoring for Amazon rankings, Buy Box and competitors: AmzRadar checks all key metrics hourly and alerts immediately on outages or changes.

SEO-Day Jobs Portal

A complete jobs portal for the SEO industry with intelligent filtering. Architecture, backend and frontend on a proven stack – production-ready and maintainable.

Mallorca Zeitung

News portal for Mallorca on a professional stack: scalable architecture, clean backend and reliable production deployment.

Doctors Mallorca

Specialised doctor directory with specialty and location logic, search interface and clean integration into the existing architecture.

Mallorca Zeitung – Pro & Contra

Interactive pro-and-contra platform with debate logic, community interaction and stable backend – production-ready and performant.

SEO-Day Wiki

The largest German-language SEO wiki with hundreds of expert articles – scalable architecture and clean content management in production.

SEO-Day Website

The SEO-Day main website on a native stack: professional architecture, automated tests and reliable deployment – from WordPress to production-ready.

SEO-Day WebmasterTools

Desktop tool for sitemaps and crawlers – Windows and macOS versions with auto-updates and clear architecture.

Online Marketing Podcast Search Engine

Podcast directory with full-text search, filters and import pipeline – clean data model and performant search in production.

SEO-Day KeywordTool

Keyword tool with real-time Google suggestions – lean, performant interface with clean backend.

SEO-Day URLradar

Hourly URL radar for webmasters: automatic checks and email alerts on status code deviations.

SEO-Day FeedbackTool

JavaScript widget for visitor feedback – domain detection, delivery and storage centrally in the backend.

Narcoty

AI newspaper for current news – scalable architecture and reliable content management in production.

dishlocal.com

Platform for local restaurants with automated landing pages and ordering flows – SEO-optimised and production-ready.

Request CTO

Initial consultation and technical assessment within 48 hours – no waiting.

All LLM token costs for development are included – you do not need expensive Claude Max accounts. Transparent quote with a clear roadmap.

CTO as a Service: clearly separated from product. AI coding and vibecoding deliver the prototype; the CTO service makes it production-ready.

Request CTO Now

Briefly describe your vibecoding prototype or technical situation – we will get back to you within 48 hours with concrete next steps.