# Turczynski — Architecture, code, and everything between.

> The professional home of Tomasz Turczyński — Senior Technologist, Architect, and Licensed FPV Drone Operator. Delivering CTO-as-a-service, AI mobile MVPs, and expert Drupal/.NET consultancy to UK and EU teams.

Tomasz Turczyński (trading as **Turczynski Interactive Ltd**, London) is a senior developer and architect with 15+ years' in-house experience at Cancer Research UK, the Francis Crick Institute, BBC Studios (BBC Good Food), and Foundry Visionmongers. He leads the engineering for Sedno, an AI-powered symptom-journal app approved by the Apple App Store and Google Play.

He is available for fractional / interim technical leadership, hands-on engineering, and time-boxed architecture work across the UK and EU.

## Services

- **CTO-as-a-service**: Fractional tech leadership, Interim Technical Director / Head of Engineering, architecture reviews, hiring panels, platform roadmaps. Weekly visible progress, code alongside the team.
- **AI — mobile and RAG**: Rapid AI-assisted mobile MVPs and production retrieval-augmented generation. Ingestion, chunking, embeddings, vector stores, evaluation harnesses, cost controls.
- **Drupal / PHP**: Senior Drupal consultancy for teams running Drupal 8, 9, 10, or 11. D7 → D10 migrations with zero URL loss, performance work, long-term support.
- **.NET / C#**: Enterprise backends, API integrations, MSSQL, PowerShell automation, DevOps (Jenkins / Ansible / Docker).
- **FPV drone filming (aside)**: Licensed UAV operator, cinematic aerial and FPV work for tourism, events, real estate, and motorsport.

## Key links

- [Home](https://turczynski.com/)
- [LinkedIn](https://www.linkedin.com/in/turczynski/)
- [GitHub](https://github.com/Turek)
- [X](https://x.com/turczynski)
- [drupal.org profile](https://www.drupal.org/u/Turek)

## Contact

- Email: tomasz@turczynski.com (replies within one working day)
- Company: Turczynski Interactive Ltd, 124 City Road, London EC1V 2NX, United Kingdom
- Languages: English (fluent), Polish (native), German (basic)

## Notable clients and engagements

- Cancer Research UK (in-house engineering leadership)
- Francis Crick Institute (in-house engineering leadership)
- BBC Studios / BBC Good Food (in-house engineering leadership)
- Foundry Visionmongers (in-house engineering leadership)
- Urząd Marszałkowski Województwa Zachodniopomorskiego ("Pomorze Zachodnie" — West Pomerania regional government, Poland) — drone filming