HQHasnainQFull-stack developer Contact me

Independent development / UK & US teams

AI app development services

Connect AI capabilities to a useful product: a clear interface, authenticated APIs, application data and a workflow your team can operate. I offer AI application development for London, UK and US teams, working remotely from Karachi.

FocusReact / Next.js / Node.jsWorkflowOpenAI / Claude integrationsWorking togetherRemote UK / US projects

AI features with a complete workflow

An AI response is one part of an application. A useful product also needs a place to submit work, permissions, a clear result, a way to correct it and a record of what happened. I connect those pieces across frontend and backend development.

  • Customer-facing assistants Add a conversational interface to a website or application, with a useful next step and a route to a person.
  • Internal workspaces Turn documents or operational inputs into drafts, summaries or structured fields that a team can review.
  • AI API integrations Connect OpenAI or Claude to application services, authenticated tools and the data the task needs.
  • Operational dashboards Give operators visibility into work queues, errors, approvals and completed actions.

Scope one useful task first

Start with the person using the feature and the decision or task they need to finish. Agree sample inputs, what a useful result looks like and which actions need review. That gives us a concrete acceptance test before expanding the product.

The first phase can include a React or Next.js interface, a Node.js API, database changes, model integration, a small evaluation set and deployment documentation. Your existing product, hosting and data requirements shape the implementation.

Choose the right integration

OpenAI and Claude are integration options rather than a commitment to one model for every job. Selection depends on the task, available tools, response format, latency, data requirements and operating budget. Provider accounts, model usage, hosting and third-party subscriptions are scoped separately from development.

For document-grounded answers, explore RAG chatbot development. For systems that move work between apps, see n8n automation and Zapier workflows.

Engineering evidence and handover

My AI PR Reviewer case study shows a GitHub-connected review workflow, a dashboard and AI-generated findings. It documents that project's actual implementation. The ChatKnot case study adds evidence of authenticated APIs, application data and real-time product work.

For your project, agree a test set, error and fallback behavior, usage visibility, repository access and an owner for ongoing updates. The handover should explain how the feature runs and how your team can change it.

What to include in your brief

Send the current product or design, the task to automate, the systems involved, examples with private information removed, the required review step and a budget range. If you are hiring for a role, share the responsibilities and required working-hour overlap.

Platform reference: OpenAI tools documentation. API access and supported capabilities are checked against the chosen account during scoping.

Bring your next workflow into focus.

Share the task, the systems involved and the outcome you need. Based in Karachi, working remotely with UK and US teams.