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1. DeCrossWord DeCrossWord Public

   Dynamic client-side German crossword generator. Uses a custom placement algorithm to build playable puzzles from vocabulary inputs. Features audio pronunciation, local storage, and mobile support.

   TypeScript

2. HireOps HireOps Public

   HireOps Engine is a localized, AI-driven SaaS platform tailored for the German tech market. Its primary mission is to automate the job search and application process by continuously finding relevan…

   Java 1

3. Multi-Tenant-JWT-Security-Gateway Multi-Tenant-JWT-Security-Gateway Public

   A defence-in-depth Spring Boot 3.4 gateway that enforces B2B multi-tenant data isolation at the database layer using PostgreSQL Row-Level Security (RLS) and Java 25 ScopedValues.

   Java

4. resilient-enterprise-ecosystem resilient-enterprise-ecosystem Public

   A multi-tenant financial ledger built with Spring Boot 3 & Kafka. Features Redis locking for concurrency, PostgreSQL RLS for security, and a bare-metal K3s GitOps pipeline for resilience.

   Java

5. distributed-saga-orchestrator distributed-saga-orchestrator Public

   Distributed travel booking system built with Spring Boot 3, Apache Kafka, and PostgreSQL implementing the Saga Orchestration Pattern for reliable distributed transaction management.

   Java

6. portfolio-cdc-sync-engine portfolio-cdc-sync-engine Public

   Real-time CDC engine using Debezium & Kafka to sync PostgreSQL to an analytical replica. Implements CQRS to offload heavy queries from primary DBs, ensuring zero-impact data migration and high-avai…

   Java