Custom system development
Turn cross-team workflows, permissions, data, and reporting into an enterprise system that fits the way work happens.
↗CUSTOM SOFTWARE DEVELOPMENT · ENTERPRISE SYSTEMS ENGINEERING
LSG TECH is a custom software development company helping businesses turn real operational problems into scalable, integrated, and deliverable digital products—from discovery and product design to launch and operations.

WHY LSG TECH
The value of custom development is not having more features. It is having a system that fits your workflows, data, and team. Product, design, and engineering work together to leave clear decisions and a durable technical foundation.
Turn cross-team workflows, permissions, data, and reporting into an enterprise system that fits the way work happens.
↗Start with product assumptions and UX to build digital products people can use, validate, and continuously improve.
↗Map existing systems, data formats, and permissions to create reliable services and data flows.
↗Validate the business hypothesis with a focused MVP, then support the next stage with an extensible architecture.
↗DELIVERY SYSTEM
Align business problems, users, and success metrics.
Turn requirements into estimable, acceptable boundaries.
Make the workflow understandable before building it.
Deliver through modular, versioned implementation.
Reduce risk with testing, monitoring, and security checks.
Make release controlled and traceable.
Observe the system and move the product toward its next version.
SELECTED CAPABILITIES
Enterprise systems
Consolidate processes scattered across forms, spreadsheets, and people into one trackable system.
Explore capability ↗Digital products
Start from user journeys and business models to turn ideas into verifiable product experiences.
Explore capability ↗Intelligent integration
Connect AI and existing tools to the right data, permissions, and workflows—not another isolated tool.
Explore capability ↗E-E-A-T / TRANSPARENT DELIVERY
We use a traceable delivery process from discovery and design through engineering and operations. Case studies, team details, and outcome data are published only when client permissions and confidentiality allow.
01
Requirements, prototypes, releases, testing, and operations are structured as reviewable delivery checkpoints.
02
Product engineering across enterprise systems, Web/App, APIs, data integration, AI, and SaaS/MVP.
03
We clarify goals, scope, constraints, and acceptance criteria before replacing evidence with promises.
Updated: 2026-08-25 · Maintained by the LSG TECH Product & Engineering Team
ILLUSTRATIVE CASES / REPLACE WITH APPROVED CASES
These are illustrative scenarios used to explain our method, not published client results or performance claims.
01
Bring forms, permissions, and approval states into a traceable internal workflow.
Discovery · Permissions · Web system02
Use user journeys and an MVP release to validate the product flow before expansion.
UX design · APIs · Releases03
Map multiple data sources and APIs into an observable, maintainable data flow.
Data mapping · APIs · MonitoringCOMPANY & RESPONSIBILITY
Longxinji Technology Co., Ltd. (LSG TECH) is a registered Taiwanese limited company providing information software services, management consulting, and data processing services.
資料來源:經濟部商工登記公示資料查詢服務;公司自述服務內容請以官方網站為準。
FAQ / START HERE
When off-the-shelf tools do not fit your workflows, multiple existing systems need to connect, or the product itself is a core competitive advantage.
We clarify goals, users, existing systems, and the essential scope, then break the work into acceptable releases. Pricing depends on specifications, integration complexity, and quality requirements.
Yes. We can provide deployment, monitoring, issue handling, version iterations, and technical documentation so your team is not left without support.
READY WHEN YOU ARE
Bring your workflow, sketch, or half-formed idea. We will help you decide what to build now—and what to leave for later.
Book a requirements review ↗Welcome to LSG TECH. This policy explains how we collect, use, retain, and protect personal information related to our website and services.
We may collect contact information such as your name, email address, and other contact details; service usage information such as browsing, interaction, and usage records; and technical information such as IP address, device, operating system, browser, and related data.
We use collected information to provide, maintain, and improve our website and services; respond to questions and requests; send service updates or marketing communications where appropriate consent has been obtained; and conduct analytics and research to improve user experience.
We do not sell or rent personal information. We may share information when you consent, when required by law or a government authority, or when reasonably necessary to protect the rights, property, or safety of LSG TECH, our users, or the public.
We use reasonable technical and organizational measures to protect personal information from unauthorized access, use, or disclosure. However, no transmission over the Internet can be guaranteed completely secure.
Subject to applicable law, you may request access to, correction of, or deletion of personal information we hold about you. You may also withdraw consent or opt out of marketing communications by contacting contact@lsg99.com.
Our services are not directed to children under 13. If we learn that we have unintentionally collected personal information from a child under 13, we will take reasonable steps to delete it promptly.
We may update this policy from time to time. Material changes will be published on this page together with an updated effective date.
Last updated: 2026-08-25