• Built and maintained integration services and automations using Python and Java, connecting internal systems to third-party platforms via REST/SOAP APIs (incl. Bullhom, Microsoft 365/Graph API, SharePoint, Companies House, Azure),
• Built a secure internal RAG chatbot (ChatGPT-style) for enterprise knowledge retrieval over internal data, implementing access-aware retrieval and grounded responses for end users.
• Engineered ETL/data pipelines for structured and unstructured data using Databricks and Azure Blob Storage to ingest, transform, validate and publish reporting-ready datasets.
• Developed backend services and APls (FastAPI/Django) to expose curated datasets and automate downstream worktlows, with strong validation, error handling and repeatable runs,
• Delivered finance reporting outputs including AR ageing, invoice exports, FX conversion, revenue reporting, and timesheets → invoicing datasets/exports used for reconciliation and operational oversight.
• Built Power BI dashboards with robust data modelling and advanced DAX, enabling stakeholders to self-serve trusted financial and operational insights.
• Delivered end-to-end internal applications (backend + frontend) from data model and APIs through to Ul and deployment.