Qian Lin Web
Services / Custom development & integrations

Custom development & integrations.

Build a focused feature, internal workflow or system connection around a real business task. Define the inputs, outputs and handoff before expanding the work.

Developer working with software at an office desk

Selected service studies

See the work in context.

These editorial studies show the types of decisions and deliverables involved. They are service examples, not client claims.

Application code shown on a laptop screen
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Workflow mapping

The trigger, data, decisions, exceptions and final handoff documented in plain language.

Smartphone beside a laptop used for software development
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Custom feature development

A focused internal tool, website capability or application feature built around the agreed task.

Website displayed on a desktop monitor in a workspace
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API and system integration

One or two established services connected with explicit authentication and data-handling boundaries.

Social media content displayed on a smartphone
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Failure visibility

Retries, logs and operator-facing errors designed so silent failures do not become hidden work.

Platforms and delivery

Choose the working system around the requirement.

Custom development is justified by a confirmed constraint. The architecture follows the systems, permissions and operating responsibility already in place.

Explore the main service areas and the platforms or delivery systems that may be used for the project.

01

APIs and webhooks

Connect supported systems with explicit authentication, validation, retry and failure-handling rules.

Campaign planning notes beside a keyboard

Working process

From brief to a testable release.

The proposal names the review milestones. Timing depends on the number of pages and features, content readiness and third-party access.

01

Trace the current task

Document who starts it, what information moves and where manual work or errors occur.

Online shopping interfaces displayed on a laptop and smartphone

Industry applications

The same service solves different problems by sector.

Custom work has the most value when it removes a specific operational constraint that can be tested.

Designer developing ideas with sketches at a desk
01

Operations and logistics

Connect status updates, approvals and exceptions across existing systems.

Designer reviewing a colour wheel and visual references
02

B2B services

Support quoting, intake, document handling or client portals with defined permissions.

Printed brand materials collected on a visual planning wall
03

Commerce operations

Handle catalogue, fulfilment or account workflows that exceed standard platform features.

Starting price / USD

From $499

Workflow Integration. Final quote after scope.

One focused workflow connecting one or two established systems, with visible failures and a clear handoff point.

API usage, ongoing production support and complex data engineering are additional.

Read all pricing boundaries ↗

Frequently asked questions

Before you send the brief.

Can you connect our existing tools?

Often, if the systems provide suitable access and the required data is clear. We review the connection, ownership and failure cases before committing to the work.

Can you add AI to an existing workflow?

Only when the task, evidence, acceptable error rate and review path are clear. AI is not a substitute for a defined source of truth.

Can you connect any two systems?

No. The systems need suitable access and compatible data. Permissions, vendor restrictions and missing APIs can block the work.

Who monitors the integration after launch?

That responsibility is agreed before launch. Ongoing monitoring and production support are separate unless included in the proposal.

Your next website

Have a website in mind?

Let’s talk about what it needs to do.
Share your brief. We’ll review the scope and reply in writing.