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Krzysztof Rzymkowski
+48 507 063 286
Poland, Warsaw (Mokotów/Sadyba)

Community activity

Technology Enthusiast

I am a truly passionate and versatile engineer with 15 years of commercial experience. Revolving around Web & Java technologies mostly. Love to bite into the difficult problems.

Focused on writing clean, readable and testable code. I always ask myself whether the stuff I've just written will make sense to someone a year from now.

Sharing knowledge comes truly natural. I've hosted over 30 internal workshops covering topics like: Docker, Java, React, Redux, Firebase, Typescript, webpack, software engineering, git, bash, etc.


I've been using Java since version 1.1 (before Swing & Collections). I've started with JEE just when EJB3 and JPA came out, with all those cosy annotations replacing the XML hell of J2EE 1.4.
Thanks to an alternative JVM languages I've became familiar with functional programming well before the Java 8 release.
I do know the importance of clean code - I've been maintaining and expanding my commercial side project for 10 years now. Deep understaning of Docker - hosted several workshop. Familiar with Azure, AWS and Google cloud providers.

Work experience

Pragmatists (current)

Software house focused on providing high quality software my means of pair programming, TDD and DDD.

  1. Working with a internation team on distributed systems proces modeling (BPMN) and testing platform. Kubernetes, Angular, Spring Boot.
  2. Greenfield webapp using Spring Boot, Mongo Atlas, AWS EC2, Docker, React, Jest, Cypress.
  3. Fitnes data visualization site. AWS Beanstalk & Cloudfront, Nest.js, node.js, React, Typescript, Circle CI.

Lingaro (3 years)

Leader of company's Web Competency. Responsible for keeping the company up to date with current good practices related to web application development. Organizing and hosting tech workshops. Autonomously architecting and developing web and mobile applications in Spring Boot, React or Angular 2. Introduced Docker based DevOps with Prometheus monitoring for several projects. Lately tech lead on web segment of a strategic data warehouse solution running on Azure Cloud services. (1 year)

Side project where I'm responsible for the whole solution. Back office single page app in React with Typescript running on Google Cloud's Firebase PaaS. Jest for unit tests, Gemini for end-to-end regression smoke tests.

Euler Hermes (9 years)

Responsible for design and implementation of web and integration applications. Running on JBoss, IBM WebSphere and Wildfly application servers. Worked on client facing insurance portal, contract management internal international system, JMS and webservices integration product. Introduced and maintained Jenkins based DevOps.

Kontinuum (10 months), ComputerLand (7 months)

For further information checkout out my LinkedIn profile.


  • Master in Computer Science (mgr.inż.). MINI, Politechnika Warszawska. 2005.
  • English: fluent - Cambridge English: Advanced (CAE)
  • German: communicative
  • Polish: native

I hereby give consent for my personal data included in the job offer to be processed for the purposes of recruitment under the Data Protection Act 1997 (Dz. U. no. 133, item 883).

Wyrażam zgodę na przetwarzanie moich danych osobowych zawartych w niniejszej ofercie pracy dla potrzeb niezbędnych do realizacji procesu rekrutacji (zgodnie z Ustawą z dnia 29 sierpnia 1997 roku o ochronie Danych Osobowych, Dz. U. Nr 133 Poz. 883).

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