We've already built something, but we're stuck.
You don't have to start over just because things have become complicated. We step in, including when you have a vibe-coded app or code generated by AI tools such as Claude Code, Codex or Cursor. We understand what is there, find what is really going wrong and make it technically manageable again.
Does this sound familiar?
Choose the challenge that best matches your situation.
Our vibe-coded app needs to become professional
You've built a surprising amount with AI tools. Now the app has to become reliable, secure and maintainable enough for serious use.
View this challengeOur AI prototype has to go to production
The prototype proves the idea works. Now it has to become reliable, secure and manageable enough for real users and real business processes.
View this challengeOur agent is not reliable enough
The agent can do impressive things, but does not behave predictably enough to trust a serious process or product to it.
View this challengeNobody understands the generated code anymore
The software grows fast, but its structure and technical choices have become so opaque that changes are getting riskier and riskier.
View this challengeEvery new AI code change breaks something else
New features ship quickly, but regressions, unexpected errors and repair work take more and more time.
View this challengeWe're stuck on authentication, the database or permissions
The feature is clear, but a concrete technical problem around login, data or authorisation is holding the project back.
View this challengeWe can't get the solution connected to existing systems
The AI works on its own, but the real value sits behind APIs, databases and business software where the integration gets stuck.
View this challengeWe're worried about security or privacy
The solution works, but it isn't clear enough where data goes, who can access it and what technical risks there are.
View this challengeThe AI solution is too slow
The functionality works, but users wait so long that the product or process isn't pleasant to use in practice.
View this challengeThe AI solution is becoming too expensive
Usage is growing, and with it the model, infrastructure or API costs. The current architecture turns out not to scale well economically.
View this challengeWe're missing tests, evals or monitoring
The AI functionality runs, but nobody can objectively see whether changes make it better, worse or quietly break something.
View this challengeOur own development team is technically stuck
The team builds software just fine, but lacks the specific senior experience to solve a tricky AI problem properly.
View this challengeWe want an independent technical second opinion
There's already an architecture, solution or proposal, but you want to know whether the technical choices make sense before investing further.
View this challengeAnother vendor left something behind that we can't properly continue with
The software exists, but knowledge, documentation or technical grip is missing after another party left.
View this challengeOur experiment became unexpectedly successful and suddenly has real users
What started as an experiment is actually being used. Now the technology has to mature faster than originally planned.
View this challengeWe want to go from prototype to a maintainable software product
The core works, but the software has to be built so that a team can still change it safely in six or twelve months.
View this challengeWe want to leave an AI platform or vendor but are technically stuck
The current vendor, tool or AI platform no longer fits, but data, workflows or technical dependencies make switching hard.
View this challengeWe've vibe-coded ourselves into a corner
With AI coding tools it went incredibly fast at first. Now new changes mainly make the project more complicated and you no longer know how to get out.
View this challengeWhy 9to5 for this?
Assessing an existing codebase takes more than an automated quality score. It takes senior engineers who can identify the problems that really hurt and make targeted repairs.
View casesWe work with existing software
A messy or AI-generated codebase is no reason to automatically start from scratch.
Software engineering and AI
We look at everyday production problems and AI-specific failure modes, such as unreliable output and missing evals.
Move forward independently again
We document decisions and clear critical technical debt so your team can move forward on its own again.
We step in, understand, repair and hand over.
- 01
Confirm the rescue goal
We establish what is actually going wrong, what is urgent and what needs to be demonstrably better after the rescue.
- 02
Understand the context and code
We examine the code, architecture, data flows, integrations and deployment until the source of the problem is clear.
- 03
Fix and test
We make targeted repairs, add tests, evals and guardrails where needed and check that the solution works under real conditions too.
- 04
Document and hand over
We document decisions, clear critical technical debt and make sure your team can move forward independently again.
What can we do for you here?
Vibe Code Rescue Audit · €2,950 excl. VAT
We examine what you have, what can stay as it is, where the real risks are and how you can move forward responsibly again.
View offerRescue Sprint · €5,950 excl. VAT
One week of senior engineering focused on one clear technical rescue goal. No retainer and no endless engagement.
View offerBuild & Integrate · Fixed price after scoping
You know what needs to be built. We build it professionally, connect it to your existing software and make sure it can be handed over production-ready.
View offerWhy 9to5?
AI + software engineering
We step in where it gets complicated
Built, tested and reliably deployed
Documented, so you can carry on independently
Facing a different situation?
We want to get started with AI, but aren't sure how.
We see opportunities for AI, but first want to know what makes sense, what is feasible and what is technically sound.
View this situationWe know what we want. Now it needs to be built.
The problem and direction are clear. Now it needs to be built properly, integrated and brought into production.
View this situation