01
Rescue / Stabilise / Continue
Existing Project Rescue & Stabilisation
Take control of an unfinished, abandoned or unreliable system with an evidence-led technical review and a bounded recovery milestone.
PHPLaravelJavaSpring Boot
View detailsCustom business software and existing-system support
Build the business system you need. Make the one you have dependable again.
Billy Studio helps businesses build operational software, take over unfinished projects and improve existing systems. Our work covers backend development, API and payment integrations, and AI automation with a clear business purpose.
Built around your actual workflowClear scope and acceptance milestonesEngineering communication in English and Chinese
01team from review to release
02working languages
05engineering services, one practical starting point
Where we can help
Choose the engineering support that matches your situation.
Whether you are starting from a workflow, inheriting a codebase or connecting systems, we begin by making the current state and next decision clear.
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02
Connect systems without hidden failure
API, Payment & Webhook Integration
Integrate payments, logistics, messaging, CRM or partner platforms with clear contracts, idempotency and supportable operations.
RESTWebhooksOAuthStripe
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03
Business logic with operational clarity
Backend Systems & Business APIs
Build or extend APIs, administration systems and business workflows using a stack chosen for the existing team and operating context.
LaravelNode.jsNestJSSpring Boot
View detailsHow we work
A practical path from uncertainty to a working release.
Each step answers a practical question before the next one begins: what exists, what matters, what to build and how to verify it.
- 01
Review
Understand the workflow, system state and risks.
- 02
Define
Agree the scope, evidence and acceptance criteria.
- 03
Deliver
Build one clear milestone at a time.
- 04
Verify
Test the paths the business depends on.
- 05
Support
Document, monitor and improve the system.
The team behind the work
Work with the people responsible for the technical decisions.
The same team reviews the system, defines the scope, builds the work and documents the release.
Meet the teamAlex
Technical Lead & Solution Architect
10+ years
ArchitectureJavaNode.jsPHP
Ryan
PHP & Laravel Backend Engineer
7+ years
PHPLaravelCodeIgniterMySQL
周屿 Zhou Yu
Java & Node.js Backend Engineer
7+ years
Spring BootNode.jsNestJSRedis
Illustrative project scopes
Examples of how an engagement can be scoped.
These illustrative scenarios show the questions, risks and deliverables we would make visible before work begins. They are not client success stories.
See all scope examples
Illustrative engagement · 01
Inventory System Rescue & Mobile Scanning
A staged rescue scenario for an existing inventory platform with inconsistent stock, undocumented permissions and no reliable mobile workflow.
LaravelMySQLRedisUniApp
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Illustrative engagement · 02
Booking, Availability & Payment Integration
A staged integration scenario for preventing double booking and keeping reservations consistent when payment events are delayed or repeated.
Spring BootPostgreSQLRedisPayment Webhooks
View detailsUseful technical guidance
Engineering notes for teams making software decisions.
Warehouse Barcode System Implementation Guide
A scanner is useful only when every scan changes one controlled business state.
Read insight
How to Take Over an Existing Software Project: A 30-Day Stabilisation Plan
A takeover succeeds when access, build steps, critical workflows and risk ownership become visible before feature work restarts.
Read insightHow to Take Over an Abandoned Laravel Project
Start by making the system reproducible and observable. Only then estimate the recovery and feature roadmap.
Read insightStart with the right question
Have a workflow to build or a system that needs attention?
Share what the business needs to do, what exists today and where it is getting stuck. We will help identify the right first review or delivery milestone.