Michał Szynkiewicz, Developer in Torun, Poland
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Michał Szynkiewicz

Verified Expert  in Engineering

Back-end Developer

Torun, Poland
Toptal Member Since
November 20, 2021

Michal is a software engineer with 10+ years of back-end development experience, mainly using the Spring framework. Formerly, he led the SmallRye Fault Tolerance implementation and is now involved in an Eclipse MicroProfile committer for the MicroProfile REST client. Recently, Michał is working on open-source software projects and currently contributes as a Quarkus core team member leading the gRPC and the REST client implementations, besides other areas.


Red Hat
Java, WildFly, Thorntail, MicroProfile, Quarkus, Hibernate, PostgreSQL...
PointPack SA
Java, Spring, Hibernate, SQL, JMS, FreeMarker, REST, Selenium, Groovy
Java, SQL, PL/SQL, UltraESB, Spring, Hibernate, Java EE




Preferred Environment

Java, IntelliJ IDEA, Quarkus

The most amazing...

...The most amazing thing I've worked on is the Quarkus open source project, where I led the gRPC and the REST client extensions.

Work Experience

Principal Software Engineer

2016 - PRESENT
Red Hat
  • Handled MicroProfile specifications and implementations, such as Fault Tolerance and REST client.
  • Led Quarkus REST client Reactive and Quarkus gRPC, as a Quarkus core team member.
  • Set up the Jenkins and OpenStack infrastructures for the productization pipelines for multiple Red Hat products. Led the productization team for Quarkus, mentoring two less experienced members.
Technologies: Java, WildFly, Thorntail, MicroProfile, Quarkus, Hibernate, PostgreSQL, OpenShift, Kubernetes

Software Engineer

2012 - 2015
PointPack SA
  • Led the back-end development as the most experienced person in the team.
  • Developed new features and new services, and designed new APIs.
  • Created tests for the developed functionality using WebDriver and Groovy.
Technologies: Java, Spring, Hibernate, SQL, JMS, FreeMarker, REST, Selenium, Groovy

Software Engineer

2011 - 2012
  • Created an initial version of a customizable anti-fraud system.
  • Set up an API gateway that allowed the helpdesk to access internal services securely.
  • Conducted on-duty calls to solve production problems on multiple systems.
Technologies: Java, SQL, PL/SQL, UltraESB, Spring, Hibernate, Java EE


Quarkus—supersonic subatomic Java, is a new full-stack framework focused on the developer’s productivity and that makes Java cloud-friendly.

I've led the REST client and gRPC extensions. I have also been involved in Reactive messaging and many other extensions.
2009 - 2010

Postgraduate Certificate in Managing IT Projects

University of Warsaw - Warsaw, Poland

2004 - 2010

Master's Degree in Computer Science

University of Warsaw - Warsaw, Poland




IntelliJ IDEA, Apache Maven, Jenkins, WildFly, FreeMarker


Java, SQL, Groovy


Hibernate, Spring, gRPC, Selenium


REST, Agile Software Development


PostgreSQL, PL/SQL


Kubernetes, OpenShift, Java EE


Quarkus, Software Development, Algorithms, Thorntail, MicroProfile, UltraESB, Risk Management

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