October 21-22 – main conference
October 20 (pre-cons) and October 23-24 (post-cons)
Warsaw / EXPO XXI
About .NET DeveloperDays 2025
.NET DeveloperDays is the biggest event in Central and Eastern Europe dedicated exclusively to application development on the .NET platform. It is designed for architects, developers, testers, and project managers using .NET in their work and for those who want to improve their knowledge and skills in this field. The conference content is 100% English, making it easy for the international audience to attend.
Event format
The conference will be held in hybrid mode.
For those who registered for in-person participation – at the venue and to register for online participation – remotely.
Pre-cons and Post-cons will be held only in an in-person format.
We plan to have one-day pre-cons (Octobert 20) and two-day post-cons (October 23-24).
See the summary video from the 2023 edition
Location
EXPO XXI WARSAW
12/14 Prądzyńskiego Street, 01-222 Warsaw, Poland
Sponsors
STRATEGIC SPONSOR
At Relativity we create intuitive software that helps law firms, government agencies, financial institutions and other major corporations quickly find the truth in data. Our journey began in the e-discovery space and evolved to develop broader legal and compliance SaaS solutions like RelativityOne and Relativity Trace. Our 1,500+ employees have worked to grow the organization and the power behind its platform, resulting in more than 300,000 enabled users in 40+ countries. As we grow, we continue to seek individuals that will bring their whole, authentic self to our team. Join us in the transformation of the legal industry and play a pivotal role in shaping the future of the practice of law and beyond. We don’t believe in ‘ideal’ candidates, so if you see a job that sparks your interest, go for it. Wherever you’re from, however you identify, and whatever experience you have, you can belong at Relativity.
SILVER SPONSOR
GR8 Tech is the provider behind the Platform for Champions, delivering high-performance sportsbook and iGaming solutions for operators ready to lead and win in competitive markets. Key elements of GR8 Tech’s comprehensive portfolio include the Hyper Turnkey solution, ULTIM8 Sportsbook, Infinite Casino Aggregation, and a proprietary affiliate management platform, Affilka. With a geo-specific approach to solutions, a focus on practical innovations, and an operator-first mindset, GR8 Tech helps its clients achieve measurable results in their target markets and scale with confidence. Through decades of operations worldwide, GR8 Tech has over 100 successful cases and earned multiple recognitions, including the title of Platform Provider of the Year by SBC Awards 2025.
MEDIA PARTNERS
