Your client project hit a technical wall. We fix the part holding up delivery while your agency stays in charge.
When a Lovable, Bolt, Replit or no-code app needs database work, login fixes, payment work, connections to outside services or help getting live, we fix that part of the project.
You keep the client relationship, set the price and control communication.
Bring a current project if you have one. No retainer or long-term commitment.
✓31 AI-built apps reviewed✓Available under NDA✓We will not approach your clients directly✓You approve the exact work before we start
When to bring us in
The first version is there. A backend or production problem is holding up delivery.
Bring us in when the remaining work needs engineering your team does not have the time or experience to finish.
Bring us in when
The builder got most of it working: The remaining problem is in the database, user access or code running behind the app.
The last issue will not stay fixed: Each new fix breaks something else or moves the failure to another part of the app.
The project now includes a harder requirement: It needs payments, user roles, an integration or a release setup that the AI builder cannot finish without causing more problems.
Your team needs specialist backup: You want to keep leading the project while we complete the agreed backend, payment, integration or deployment work.
The work agencies bring us
Backend, Supabase, PostgreSQL and data models
Authentication, permissions and user roles
Stripe, subscriptions, webhooks and entitlements
APIs, integrations and data synchronization
Deployment, environments and production failures
Regressions, edge cases and hard-to-finish features
You keep leading the project and the client relationship. We take responsibility for the backend, payment, integration, deployment or production problem holding up delivery.
How we work
We confirm the cause before your agency approves the work.
We show you what is failing, what needs to change and how to explain the plan to your client.
Example from an AI-built codebaseAccess and AI usage
Issue worth acting on
Anyone online could use two AI features and charge the bill to the owner.
Two AI-enrichment routes had no login check. A caller could move through contact IDs, read CRM records, and trigger billable AI usage.
Evidence found in the coderoutes/ai/enrich-contact.ts
No session check before the CRM lookup and billable AI call.
How it works
Start with one project.
01
Show us what the client expects
Tell us what happens now, where your team got stuck and why the result matters. You do not need to find the cause first.
02
Know what we will change, what it costs and when it will be ready
We confirm what is causing the problem and write down exactly which part we will change. Your agency approves the quote before we touch the code.
03
Choose how we work with your team
We can work entirely through your team or join calls you approve. We show the result working and give your team what it needs for the client handoff.
A live project helps, but you can book the call without one.
How the relationship works
Your client relationship stays yours.
You decide whether we work only through your team or join client conversations you approve.
What your agency keeps
Client communication: You decide whether we speak to the client and which conversations we join.
Client pricing: We quote your agency directly. You decide what the client pays.
The client relationship: We do not ask clients your agency introduces to hire us directly.
Project ownership: Your agency or client keeps the source code, accounts and agreed deliverables.
How we can work
Behind the scenes: We can work entirely through your team.
On approved calls: We can join the technical conversations you approve.
As the developers on the agreed work: You can introduce us as the developers fixing the agreed part of the app.
Clear about our role: We will not claim to be your employee or misstate our credentials, history or role.
We can work under an NDA. The written agreement can say that we will not approach your client directly.
Proven client work
What clients say about the engineering work.
"AxonBuild is amazing to work with. They don't just blindly follow directions and they question requirements - a true partner, knowledgeable with great work ethics."
AlexMoved the app from no-code infrastructure to a standard database and rebuilt document generation. Crucial documents now regenerate into Japanese at 95%+ accuracy with format and wording preserved, and database work that took minutes finishes in seconds.
"AxonBuild was not only detail-oriented but also offered alternatives and viable solutions, always willing to talk through the issues in order to better understand the root causes and implement the best solution."
TylerCut the app's response delays and fixed its quality problems. Ratings from 3 testers and 20+ users rose from 3/10 to 8/10, holding for two weeks and counting.
Questions
Questions before you bring us into a project
01What makes a good first project for us?
A good first project already has a working app and one problem, or a small group of related problems, that we can inspect. You can provide the relevant access when we are ready to review it. Your agency keeps leading the project and client relationship while we complete the agreed work.
02Do we need a live client project before we speak?
No. A current project gives us something concrete to discuss, but you can book without one. We can use the call to explain which problems we take on and how you would bring us into a future project.
03Do you work completely white-label?
Yes. We can work entirely through your team and keep our name off client-facing delivery. We do not ask clients you introduce to hire us directly.
04Can you join client calls?
Yes, when your agency approves it. You can introduce us as the developers fixing the agreed part of the app. We will not claim to be your employee or misstate our role.
05How do you price the work?
We review the work and quote your agency directly. You choose the client price and how you present it. Our quote depends on what needs changing, what it could affect and how quickly the client needs it.
06What should we send you first?
Start with a short description of the app, its current stack, what the client expected and what happens now. We ask for repository or platform access only when we need it to confirm exactly what must change.
07Do we need an ongoing commitment?
No. Start with one project. If it goes well, you can bring us another one later.
08What if the project is larger or less clear than expected?
If we need more investigation before we can give you a reliable price, we tell you what is still unknown. No work starts until your agency approves the investigation or repair we recommend.