Developed lifecycle management applications for power transformers across multiple small (4–10 person) Agile teams. Solely designed normalized database schema and supporting infrastructure for a mission-critical project and contributed to product ownership responsibilities on selected initiatives. Delivered features using the .NET/.NET Core stack with MSSQL, REST APIs, and UI technologies including WPF, WinForms, and web front-ends (AngularJS). Also supported quality through unit, scenario, and integration testing and worked with CI/CD pipelines and Git-based collaboration.

SPA Developer and manager (Website & Community Forum) / Scrum full-stack development at Aximmetry

January 1, 2019 - January 1, 2020

Built full-stack functionality for business requirements in Scrum as part of a 2-person team, including SPA development for the website and community forum. Took very limited Product Owner-level responsibilities and worked across .NET and MSSQL back-ends while implementing front-end features with JavaScript, HTML/CSS, and common web tooling.

Junior Software Developer at Asseco

January 1, 2018 - January 1, 2019

Developed an intranet banking application in a 5-person Scrum team under NDA. Delivered web features using ASP.NET MVC and Razor with a .NET + MSSQL backend, collaborating via TFS and Git-style tooling and supporting Agile/Scrum delivery practices.

.NET Full-Stack Developer, then 3rd Level Support at PUDO

January 1, 2018 - January 1, 2020

Worked on a nationwide postal system logistics platform as both a developer and later as 3rd-level support while continuing development responsibilities. Reduced SQL transaction log sizes by 99% and significantly improved load performance through database partitioning and query optimization. Took limited Product Owner-level responsibilities and participated in a 24/7 on-call 3rd-level support rotation within a small (2-person) team, even during concurrent Siemens Energy development work.

3rd Level Support at PP (nation-wide package registration system)

January 1, 2013 - January 1, 2018

Maintained and extended package registration and related administration capabilities for a nationwide system. Participated in 24/7 3rd-level on-call support within a small (2-person) team, while also managing full-time development work on other projects. Contributed to stability and ongoing feature improvements in the .NET and MSSQL environment.