JetBrains .NET Days Online 2025 — Call for Speakers

Mehul Harry

Streaming worldwide 8 – 9 October 2025

Have you cracked a performance bottleneck?
Built something clever with AI agents?
Discovered a design pattern the .NET world should know?

Share it with thousands of developers at JetBrains .NET Days Online 2025 – a free, community-driven event broadcast live around the globe.

Submit your talk on Sessionize →

TL;DR

• Live sessions in English, 30 / 45 / 60 min + optional 5–10 min Q&A.
• We schedule slots that fit your time zone.
• CFP runs 14 July → 15 August 2025 (one month).
• All accepted speakers receive a 1-year JetBrains All-Products Pack.
• First-timers welcome – we’ll review slides and run rehearsals.
• Need a JetBrains tool for your demo? Ask us for a free trial license.
• Read our Code of Conduct before submitting.

Key dates

• CFP deadline: 15 August 2025 (23:59 UTC) – get your proposal in!
• Live event: 8 – 9 October 2025.

What type of talks are we looking for?

Anything that pushes .NET forward. Popular areas include:

• Architecture & Design – clean code, DDD, modular monoliths, event-driven patterns.
• Performance & Diagnostics – profiling, benchmarking, memory tuning.
• Cloud-native .NET – containers, Aspire, serverless, observability best practices.
• AI & Machine Learning – OpenAI, Semantic Kernel, ML.NET in production.
• Language Deep-dives – new C#/F# features, Roslyn tricks, source generators.
• Web & UI – Blazor, ASP.NET Core, Avalonia, MAUI, WASM.
• Data & Persistence – EF Core, Dapper, NoSQL patterns, caching strategies.
• Testing & Quality – property-based testing, mutation testing, resilient pipelines.
• …or anything else that helps the .NET community learn and ship better software.

Need inspiration? Sample session ideas from past events

• Immutable collections in .NET
• Decoupling via Async Message Pumps
• Formatting C# code
• Taming DI by designing your own container
• Error-log telemetry: an end-to-end approach
• Inner-Outer Clean-up: what and how?

New speaker? No problem!

We love fresh voices. Our advocacy team will:

• Review your slides and abstract.
• Run a private rehearsal and give feedback.
• Help you feel confident on the (virtual) stage.

JetBrains .NET Days Online 2025 — FAQ

> I don’t own a JetBrains license – can I still show the tools?
Yes. If you’d like to demo Rider, ReSharper, or any other JetBrains product, just ask for a free trial when you submit. But remember: using JetBrains tools is optional.

> Do you cover other dev topics?
If it’s useful to .NET developers, pitch it – we read every submission.

> How many submissions can I send?
Up to three per speaker. Focus each abstract on one clear idea.

Ready to share your story?

Outline your idea on Sessionize and hit Submit – it takes only a few minutes.
Know someone who should be on stage? Please share this link!

Propose a talk now
Questions? Email matt.ellis@jetbrains.com.

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