Kadra
Day 1
Set up your workspace
Pick a stack and your level, then start fixing real tickets.
Name
Level
Junior
Senior
Staff
Stack
ShopForge — Next.js E-Commerce
Ship coupon support for checkout
3 tickets · TypeScript · Next.js
Ledgerly — Payments API
Harden the payments ledger
3 tickets · Python · FastAPI
Servly — REST API Service
Harden the public API before launch
3 tickets · Go · net/http
Quillio — Headless CMS
Polish the publishing workflow
3 tickets · TypeScript · Node
Streamline — Data Pipeline
Make the nightly ETL correct and idempotent
3 tickets · Python
Pulse — Realtime Chat
Fix the realtime messaging edge cases
3 tickets · TypeScript · Node
Corebank — Banking Core
Get the ledger and statements right
3 tickets · Java · Spring Boot
Reserva — Booking Service
Fix the reservation edge cases
3 tickets · C# · ASP.NET Core
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