SAPPORO — SOFTWARE DEVELOPMENT & IT SUPPORT

Link the Dots.

Connecting the dots to create new experiences

RYNK is an independent development studio based in Sapporo, providing web and app development as well as day-to-day IT support for businesses. Services range from website updates and workflow improvements to AI integration and custom software development.

IT SUPPORT

From website updates to everyday IT support

RYNK handles website content updates, inquiry and booking form setup, data management, and automating routine tasks. This also covers businesses without a dedicated IT person, or requests limited to a single task.

  • Partial website updates welcome
  • One-off requests and ongoing support
  • In-person visits in and near Sapporo, depending on details and schedule
  • Available online nationwide

Website updates & fixes

Covers changes to text, images, pricing, and business hours, plus inquiry form fixes.

Inquiry & booking setup

Reviews forms, email notifications, booking systems, and LINE to reduce the effort of managing requests.

Workflow organization & automation

Supports organizing Excel and Google Sheets, automating routine tasks, and applying AI to daily work.

Ongoing IT support

Provides ongoing support for regular website updates, tool setup, and workflow improvements.

WHY RYNK

How RYNK works

01

One person, start to finish

The same person generally handles everything, from the initial request through design and development.

02

From small fixes to new development

From fixes to existing sites and forms, through to building new business tools, web services, and smartphone apps.

03

Based in Sapporo, online too

In-person visits are available in and near Sapporo depending on details and schedule, with online support available anywhere.

DEVELOPMENT

Development services

RYNK builds web services and smartphone apps, and integrates AI features into existing systems.

Web apps & business systems

Designs and builds web services and business systems using Next.js and similar tools, including setups with authentication and databases.

Smartphone apps

Builds iOS and Android apps with Flutter, covering everything from screen design to notifications, payments, and store submission.

AI features & automation

Integrates features like drafting text, handling inquiries, and tallying data into existing workflows and services, using APIs such as OpenAI and Claude.

PROCESS

From inquiry to launch

  1. 01

    Inquiry

    Share your current situation and what you're hoping for through the form.

  2. 02

    Review

    RYNK reviews the existing setup, the work involved, and your preferred timeline.

  3. 03

    Estimate

    You'll receive the scope of work, cost, and an estimated timeline.

  4. 04

    Development

    Work proceeds according to the agreed scope — setup, fixes, production, or development.

  5. 05

    Launch

    After your review, the work goes live, with further improvements available as needed.

TECH STACK

Technology used

Frontend

Next.js / React / TypeScript / Tailwind CSS / HTML/CSS / Figma

Mobile

Flutter / Dart / Swift / Kotlin

Backend

Node.js / Python / PHP / Cloud Functions / REST API / C / C++ / Java

AI & API

OpenAI API / Claude API / Stripe API

Infra

Firebase (Firestore) / AWS / Docker / Linux / Git/GitHub / SQL / PostgreSQL

Development and IT inquiries

Share your current situation and what you're hoping for through the form. After reviewing it, RYNK will confirm what's possible and the next steps.

Contact