Jonathan
Circle T Connect

Melbourne · Jakarta

Building AI‑first experiences on Azure & OpenAI

Principal engineer focused on enterprise‑grade AI: intelligent redaction, document understanding, and copilots that fit naturally into Microsoft 365.

Azure AI Foundry OpenAI / Azure OpenAI SharePoint & M365 Doc Intelligence Responsible AI
See work Circle T

Featured Work

Products and solutions with measurable impact.

Product · Azure AI + SharePoint
Intelligent Redaction Manager

AI‑powered, policy‑aware redaction for enterprise & government. Supports text + figure detection, integrated with M365.

Learn more
Solution · Azure AI + SharePoint
ACE — Automated Content Extraction

Automated content extraction across tenant libraries. Lift structured fields from PDFs, Office docs and images at scale.

Learn more
Capability · Azure AI Semantic Search
Smart Ask — AI Search

Ask natural‑language questions across SharePoint document libraries with semantic ranking, grounding, and citations.

Learn more

What I Do

From discovery to deployment — practical AI that ships.

AI Systems & Copilots

Design and delivery of task‑specific copilots, RAG search, and workflow agents powered by Azure AI + OpenAI.

  • RAG over Microsoft 365 & SharePoint
  • Grounded generation + tools
  • Telemetry & evaluation
Intelligent Redaction

Irreversible, high‑accuracy redaction across PDFs, images, and Office docs integrated with SharePoint.

  • PII, PHI, PCI patterns
  • Logos, signatures, figures
  • Policy‑driven governance
Platform Engineering

Cloud‑native apps on Azure (Functions, Containers) with secure M365 integration and CI/CD.

  • Azure Functions & APIM
  • Graph, SharePoint, Power Platform
  • Observability & cost control

Experience

Hands‑on engineering + product leadership.

Co‑founder @ PT Lingkar Solusi Teknologi (Indonesia)
Present
  • Managed services for Microsoft 365 & Azure workloads.
  • AI implementation: copilots, RAG search, document understanding.
  • Technology business process outsourcing / team augmentation for delivery at scale.
Chief Engineer → Principal (AI) @ Circle T (Melbourne)
2013 — Present
  • Architected Azure‑first AI products for M365 incl. redaction, policy & search.
  • Shipped SPFx/React solutions, Office add‑ins, and Power Platform integrations.
  • Led deployments for regulated sectors with privacy & security controls.
Freelance Web Developer @ Independent
2009 — 2013
  • Delivered full‑stack web apps and automations across SMB clients.
  • Early exploration of cloud hosting and CI pipelines.

Core Skills

The stack I use to turn ideas into production systems.

Azure AI Foundry Azure OpenAI OpenAI Assistants Embeddings/RAG Azure Functions Azure Storage & Cosmos Azure Logic Apps Azure DevOps Graph API SharePoint/Teams SPFx React TypeScript NodeJS Python PowerShell Azure Document Intelligence Computer Vision Prompt Engineering Power Automate/Power Apps Office Add‑ins (Office.js) Security & Compliance

Let’s build something useful.

Available for advisory, solution architecture, and hands‑on product work. Focus: Azure AI, OpenAI, SharePoint/M365, secure document workflows.

Email me GitHub LinkedIn
AI‑Forward Value
  • Outcome‑driven: measurable business wins over demo‑ware.
  • Security by design: tenant isolation, data minimisation, RBAC.
  • Evaluation built‑in: tracing, prompts, metrics and red‑teaming.