Portfolio

My professional experience

c#.netawsreacttypescriptdocker

Senior .NET Developer at Savills

Backend-focused full-stack development on Savills' landlord, vendor and applicant property portal, with AI-assisted delivery using Claude and Copilot.

Bart Tworek•August 2022
c#.netawsreacttypescriptterraform

Senior .NET Developer at RedDeer (now Kaizen Reporting)

Full-stack delivery of RedDeer's investment fund surveillance platform and a greenfield news aggregation product, including CI/CD and Terraform infrastructure.

Bart Tworek•February 2021
c#.netgodockerreact

Senior .NET Developer at bet365

Rebuilt bet365's Linux-based transactional gaming system onto an agent-based microservices architecture handling millions of transactions a day.

Bart Tworek•January 2017
c#.netazuredockerkubernetes

Senior .NET Developer / Lead Developer at MPD-Group (now Sorted)

Built the search, booking and tracking services behind a courier comparison and delivery management platform on an SOA/microservices architecture.

Bart Tworek•July 2014
c#.netsql

Senior .NET Developer at Calrom

Developed flight booking systems for British Airways, Iberia and Qantas, integrating with the Amadeus GDS using TDD and Scrum.

Bart Tworek•December 2012