12+ of them freelancing. Hydropower bidding, oil & gas planning, healthcare AI, air-traffic-control training, the automation of a 1 m astronomical telescope.
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Vision Core reads the legend on a construction drawing and finds the symbols it lists, so an estimator gets counts they can correct and sign off instead of counting by hand. I built V1 for VyntX as the only developer, from a proof of concept in June to production at the end of September 2026.
A multi-pass extraction pipeline that turns scanned, hand-formatted Romanian timber-auction PDFs into clean, structured data, narrowing the problem one pass at a time so hallucinations have nowhere to hide.
A ~4-year engagement taking a prototype into a daily-use planning system for onshore and offshore oil & gas operations — with an admin-configurable UI so the operations team could compose its own dashboards and workflows without touching code.
A purpose-built MCP server that lets Claude Desktop read product costs from supplier invoices and push them into a Revel Systems point-of-sale account, turning a tedious, error-prone task that now recurs several times a month into a single agent-driven batch.
A web-based application enabling engineers and economists to evaluate project viability by defining technical and financial parameters, then computing levelized unit-cost metrics under discounted cash-flow assumptions to assess break-even economics.
A ~14-month engagement on the bid-processing pipeline that generates and submits daily electricity-market bids for hydropower operators — fan-out solver runs, resilient aggregation, and a workflow engine doing 1,300+ orchestrated runs a day across clients.
Three custom Django admin interfaces for a healthcare platform that go well past where most teams would reach for a separate frontend — a self-referencing drag-and-drop tree editor, a full-model M2M matrix with row/column tooling, and an AI regression-test runner that grades LLM responses against validated expectations.
My own SaaS: a web dashboard that lets Django teams run, schedule, and audit management commands in production without SSH, cron-with-no-visibility, or standing up Celery just to trigger one command.
Tech lead and primary developer on the multi-year effort to computerize a 24-ton, 1-metre-mirror telescope at the Tičan observatory in Croatia — a stack that stretches from Arduino firmware and a Linux kernel driver for a PCI encoder up to ASCOM C# drivers that let MaximDL and Stellarium talk to a volunteer-built mount as if it were a factory telescope.
An iPad quiz app for attending oncologists at the Croatian Oncology Congress — sliders for treatment-outcome estimates, full-screen when launched from the home screen, and feedback rendered as proper Kaplan-Meier curves. Built as a PWA before the term existed.
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