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  • Katowice

Achievements

Achievement: Pair ExtraordinaireAchievement: Pull Shark

Achievements

Achievement: Pair ExtraordinaireAchievement: Pull Shark

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Rutkowskik/README.md

💫 About Me:

Hi! I'm Kacper, a Back-End Developer specializing in Java and enterprise-grade software development (currently working at Kamsoft S.A.).

Tech Stack & Expertise: Building scalable microservices and robust web applications using Java, Spring Boot, and SQL databases (Oracle DB, DB2).

Focus: High-performance architecture, clean code (SOLID, Design Patterns), and bridging back-end systems with modern front-end frameworks (Angular).

Goal: Expanding my expertise toward Full-Stack Architecture and Cloud-Native applications.

🌐 Socials:

[LinkedIn](https://linkedin.com/in/Kacper Rutkowski

💻 Tech Stack:

Java HTML5 CSS3 Bash Script Spring Apache Tomcat Hibernate Git GitLab GitHub Docker Oracle

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  1. escrow-marketplace-showcase escrow-marketplace-showcase Public

    Early-stage marketplace startup built on escrow-based buyer<->seller trust. A high-level look at the architecture and engineering standard behind it — code private. Read the overview inside.

  2. JavaDataStructureBenchmark JavaDataStructureBenchmark Public

    Persistent data structures in the problem of performance optimization of sequential and concurrent programs in Java

    Java

  3. AutoHubMicroService AutoHubMicroService Public

    Spring Boot microservices for a used-car marketplace: JWT-secured auth, filterable car catalogue with S3 image galleries, behind a Spring Cloud Gateway.

    Java

  4. AutoHubApplication AutoHubApplication Public

    React + Vite SPA for a used-car marketplace: JWT auth, URL-driven filtering and server-side pagination. Front-end client for the AutoHub Spring Boot microservices.

    JavaScript

  5. users users Public

    Full-stack user management monorepo: Spring Boot API and Angular panel, with HttpOnly cookie auth, refresh token rotation with reuse detection, Redis-backed sessions and Kubernetes deployment.

    Java