Stefan Pölz - Developer

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Stuttgart, Germany

Experience

Jun 2023 - Present

2 years 2 months

Developer

Financial services provider (client)

Migration and enhancement of a long-lived expert system for managing financing contracts and integration into a cloud environment.
Organized according to SAFe.
Improved maintainability and introduced integrated testing.
Technologies: Java, Spring Boot, Kafka, Azure, Docker, Jenkins, Oracle DB, PL/SQL, Kibana

Jun 2023 - Present

2 years 2 months

Senior Software Engineer / Software Architect

Freelance

I am available as a freelance (full-stack) software developer and/or architect to work in agile teams and jointly build high-quality applications.

Jul 2019 - May 2023

3 years 11 months

Stuttgart, Germany

Senior Software Engineer / Software Architect

adesso SE

Within a SAFe release train I extended a webshop offering apps and services for vehicles. This included the project for client Porsche (October 2019 – May 2023):
Development and operation of the Connect Store for purchasing and managing digital usage rights for vehicle services.
Organized according to SAFe.
Introduced onion architecture, command pattern, and focused on integrated testing.
Optimized DORA metrics.
Technologies: Java, Spring Boot, Kafka, Terraform, AWS, Apigee, Docker, Kubernetes, GitHub, PostgreSQL, Splunk, New Relic, SonarQube
I also supervised student internships.

Oct 2018 - Jun 2019

9 months

Developer / Tester

ETAS (client)

Developed an application for indexing vehicle telemetry data.
Stabilized the application by improving code quality.
Provided customer support by analyzing bugs.
Migrated to AWS.
Technologies: Java, ANTLR, Solr, JavaScript, Spring, Ext JS, Sencha Architect, AWS EC2/SQS/S3, NiFi, TinkerPop/JanusGraph, PostgreSQL, HDFS

Jun 2018 - Oct 2018

5 months

Developer

Audi (client)

Integrated a dependency management system for C++ development projects into a development stack.
Designed common package recipes.
Developed Eclipse plug-ins.
Technologies: Java, Conan.io, Eclipse RCP, SWT, JFace, Eclipse IDE plug-ins, Python

May 2018 - Jun 2019

1 year 2 months

Weissach, Germany

Development Engineer

ASAP Engineering GmbH

I worked on four software projects in Scrum teams in the automotive sector.
The main project was a low-code application for processing vehicle telemetry data.
An internal project at ASAP Engineering (May 2018 – July 2018) included:
Upgrading and migrating a JobRouter instance.
Modeling order processes.
Creating client- and server-side extensions.
Technologies: JobRouter, DATEV, JavaScript, TypeScript, Node.js, Gulp.js, PHP

May 2015 - Apr 2018

3 years

Stuttgart, Germany

Agile Software Engineer

andrena objects ag

I worked on three software projects in Scrum teams:
Internal project for andrena objects (May 2015 – May 2016):
Prepared and executed the migration from Microsoft Dynamics CRM 4.0 to 7.0 with minimal downtime.
Extended with plug-ins.
Integrated ERP and financial systems.
Technologies: C#, .NET, JavaScript, MS Dynamics CRM/NAV
Project for client Degussa Bank (May 2016 – October 2016):
Developed a client-server application for handling employee participation programs.
Technologies: Java, Hibernate, JSF, LDAP, Oracle Database, Spring, Tomcat
Main project for client Netze BW (December 2016 – April 2018): Developed the NeMo+ iOS app for workforce management in energy grid maintenance.
Connected an SAP Plant Maintenance system via the SAP Mobile Platform.
Redesigned the view stack architecture to VIPER.
Maintained and supported several hundred users.
Continuously improved code quality.
Technologies: Swift, OData, SAP Mobile Platform (SMP), SAP ERP/PM
Additionally, as an IT consultant I quantified software quality through code assessments for various client projects (industries: retail, mechanical engineering) (October 2015 – March 2016):
Analyzed the internal quality of software systems.
Quantitatively evaluated software quality using static code analysis tools and code reviews.
Derived recommendations for action.
Technologies: Sotograph, NDepend, Usus.Net, SonarQube

Oct 2010 - Apr 2015

4 years 7 months

Karlsruhe, Germany

Research Associate

Institute for Nuclear Waste Management, Karlsruhe Institute of Technology

I conducted scientific projects, wrote publications, developed software, organized workshops, and supervised student work. My work focused on calibrating partial body counters using HPGe detectors to determine the activity of incorporated radionuclides based on medical imaging data, Monte Carlo simulation of radiation transport, and machine learning.

Apr 2009 - Sep 2010

1 year 6 months

Karlsruhe, Germany

Research Associate

Institute of Information Management in Engineering, Karlsruhe Institute of Technology

I taught software engineering (prepared materials, gave lectures, organized exercises/exams). Additionally, I prepared project proposals and carried out scientific project work in medical and automotive engineering.

Languages

German

Native

Education

Oct 2010 - Feb 2014