29

@piotrs

Level 2986,800 XP

200 XP to Level 30

1Day streak

660Lessons

6Courses

176Gems earned

Feb 2026Member since

Consistency

Activity

666 activities in the last year

Mastery

Achievements

2,539 AP · 65 unlocked

Course Crusher150 AP

High Five45 AP

Critic25 AP

Systems Thinker60 AP

Early Bird30 AP

Fortnight Fury40 AP

Muscle Memory75 AP

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The Purist100 AP

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Programmer's Day60 AP

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Going Pro50 AP

Small Talk15 AP

Trophy Cabinet50 AP

Back of the Napkin25 AP

Boxes and Arrows10 AP

Saved by the Ice20 AP

First Interview15 AP

Say Hello10 AP

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Full Circle15 AP

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Hello World10 AP

Nice69 AP

First Impression10 AP

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Perfect Score50 AP

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Level Up15 AP

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First Hour10 AP

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Three-peat10 AP

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Library

Courses completed

6

Getting StartedBlazor View certificate

Hands-OnSystem Design for Beginners View certificate

Getting StartedC# Interview Questions View certificate

From Zero to HeroLogging in .NET View certificate

From Zero to HeroDependency Injection in .NET with C#View certificate

From Zero to HeroWorking with Null in C#View certificate

Recent

Latest activity

Completed a lessonVerification vs Validation & QA/QC/Testing Getting Started: Manual QA Interview Questions+400 XP
Completed a lessonWhat Testing Is & Why It's Needed Getting Started: Manual QA Interview Questions+400 XP
Completed a lessonTerminating Traffic at the Edge Hands-On: System Design for AWS+200 XP
Completed a lessonDemo Preview From Zero to Hero: OpenTelemetry in .NET+100 XP
Completed a lessonDemo Architecture From Zero to Hero: OpenTelemetry in .NET+200 XP
Completed a lessonSection Recap From Zero to Hero: OpenTelemetry in .NET+50 XP
Completed a lessonContext and Correlation From Zero to Hero: OpenTelemetry in .NET+50 XP
Completed a lessonTraces, Metrics and Logs From Zero to Hero: OpenTelemetry in .NET+100 XP
Completed a lessonWhat is OpenTelemetry?From Zero to Hero: OpenTelemetry in .NET+100 XP
Completed a lessonWhat is Observability?From Zero to Hero: OpenTelemetry in .NET+100 XP

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