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Web & Mobile Applications

We deliver responsive business web applications, admin portals, Flutter mobile apps, and LINE LIFF experiences. Every build is backed by API contracts, authentication, generated clients, and a deployment pipeline from day one.

What's included

  • Responsive web and admin portals
  • Flutter mobile applications
  • LINE LIFF and Mini App foundations
  • Customer self-service and platform frontends
  • API-backed user flows and authentication
  • OpenAPI-generated client libraries
  • File, image, and media upload workflows
  • Bilingual localization and accessible UI

How we work

How we work

Clear steps for predictable delivery and future scalability.

  1. 01

    Requirement Analysis

    Clarify scope, success metrics, and constraints.

  2. 02

    System Design

    Architecture, security, and rollout plan.

  3. 03

    Development

    Build with reviews, docs, and testing.

  4. 04

    Deployment

    Go-live with observability and rollback options.

  5. 05

    Maintenance & Support

    Operate, improve, and report regularly.

Other services

ERP & Business Systems

One governed operating system designed around the actual business workflow.

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API, Data & Integration

Clear contracts and reliable data movement across internal and external systems.

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AI Agents & Automation

Controlled automation with traceability and human approval for consequential actions.

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Infrastructure, Platform & DevOps

Reproducible environments, safer releases, monitoring, recovery, and operational runbooks.

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Maintenance & Managed Services

Assessed, stabilized, monitored, documented, and continuously improved systems.

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Tell us what is slowing the operation down.

Share the system, workflow, integration, infrastructure, or support problem you are facing. We will help clarify the current state, the practical next step, and whether Nexus is the right delivery partner.