Software Maintenance, UI Redesign and Feature Upgrade
Take over, refactor, redesign and upgrade existing apps and systems
Project scope
- Best for
- founders with unfinished software, small businesses with outdated tools, student projects and teams switching developers
- Starter scope
- code audit, bug list, UI improvement plan, safe upgrade roadmap, fixed-scope sprint and handover notes
- Delivery
- UI, development, testing, launch support, source code and documentation
- Quote model
- Fixed estimate after scope confirmation
What We Build
We take over, maintain, refactor, and upgrade existing software. We fix bugs, redesign outdated UI, improve performance, add features, and modernize legacy apps, mini programs, and systems.
Suitable Business Scenarios
- Existing apps that need bug fixes and upkeep
- Outdated UI that needs a modern redesign
- Legacy code that needs refactoring or migration
- Products needing new features and upgrades
Core Features
- Code audit and takeover
- Bug fixing and performance tuning
- UI/UX redesign and modernization
- Refactoring and framework migration
- New feature development
- Ongoing maintenance plans
Tech Stack
We work across Vue, React, Next.js, UniApp, Flutter, Android, iOS, Go, Java, Node.js, Python, MySQL, PostgreSQL, and Redis to maintain and upgrade existing stacks.
Development Process
- Discovery & Estimate: we clarify scope, platform, dependencies, acceptance criteria, and delivery risks before preparing an estimate.
- UI/UX Design: wireframes and visual design are reviewed against the agreed requirements before development.
- Development & Integration: iterative builds with payment, maps, SMS, AI, and third-party API integration.
- Testing & QA: functional, compatibility, and performance testing across target devices.
- Delivery & Deployment: app-store submission preparation, server deployment support, source-code handover, and documentation. Store review and approval remain subject to the platform.
- Maintenance & Upgrade: ongoing support, bug fixes, and feature upgrades after launch.
Delivery Scope
- Source-code ownership and Git repository handover as defined in the project scope
- UI/UX design files and technical documentation
- Deployment and app-store submission support for the agreed accounts; platform approval is not guaranteed
- Post-launch defect handling defined in the project scope
- Optional ongoing maintenance and feature upgrade plan
Planning Notes for Product Teams
This service is designed for product teams, SMEs, agencies, and organizations improving an existing system. Before development, align the primary workflow, user roles, integrations, acceptance criteria, source-code ownership, deployment responsibility, and maintenance expectations.
Recommended First-Version Scope
- One core user workflow and one admin workflow
- Backend API, database and admin panel only for the operations you need at launch
- Source code handover, deployment notes and a clear maintenance path
- Optional AI, automation, payment or reporting after the first workflow is stable
Related Planning Guides
Frequently Asked Questions
Can you take over an app another team built?
Yes. We start with a code audit, document the current state, and propose a safe plan for maintenance, fixes, and upgrades.
Can you only redesign the UI?
Yes. We can deliver a UI/UX redesign and refactor while keeping your existing backend, or modernize both together.
How do you plan the first release?
We start with the primary user workflow, business rules, integrations, and acceptance criteria. Optional automation, reporting, and secondary modules can be planned as later phases when that reduces delivery risk.
Will my team own the source code?
Source-code handover, repository access, deployment notes, database notes, and documentation can be included in the agreed delivery scope.
Can you maintain or take over an existing system?
Yes. We can begin with a code and environment review, then propose a scoped plan for bug fixes, UI improvements, feature development, refactoring, or ongoing maintenance.
Request a Project Estimate
Tell us about the product goal, current workflow, target platform, constraints and decision timeline. We will review the scope and recommend a practical next step.