Martin Eisengardt - Software Developer

Recommended expert

Pfinztal, Germany

Experience

Apr 2025 - Aug 2025

5 months

Karlsruhe, Germany

Software Developer

Atruvia AG

Designing and creating a service board and kitchen board for company cafeterias to coordinate and process orders and preparation.
Languages: Java 17, JavaScript, TypeScript.
Frameworks: Spring Boot 3.4, JPA/Hibernate, Angular 19.
Tools: Maven, Jira, Confluence, Jenkins.
Testing/QA: JUnit, Cypress.
Technologies: OpenAPI, REST, JSON, OpenID.
Databases: Oracle.
Cloud/Container: Tomcat 10.1, Payara.
Operating Systems: Windows, Linux.

Jan 2025 - Present

1 year 1 month

Pfinztal, Germany

Instructor

Udemy

Designing and creating a training series on Java, Spring Boot, Spring Cloud, and AI development.
Link: Spring Boot Campus ([link]

Oct 2024 - Aug 2025

11 months

Cologne, Germany

Software Developer, Architect

Bank-Verlag GmbH

Fixing security vulnerabilities in existing authorization software.
Upgrading Spring and Hibernate versions as well as various libraries.
Replacing the RichFaces GUI with a modern REST-based web application.
Integrating Keycloak (OAuth2) including multi-factor authentication.
Advising and planning for PCI 4.0 certification.
Secure coding and performance tuning.
Designing and implementing SSO via Keycloak.
Languages: Java 11 – 23.
Eclipse, IntelliJ, Visual Studio.
Frameworks: Spring Boot 3.3 – 3.4, Keycloak 24 – 25, JBoss EAP 8, Java EE 8 – Jakarta EE 10, RichFaces/JSF.
MS Project, Jira, Confluence, Git, SVN, Maven, Gradle.
CI/CD, Sonar, Jenkins, DevOps.
XML, XSD, JSON, UML, OpenAPI/REST, BPMN.

Jan 2024 - Mar 2025

1 year 3 months

Langen, Germany

Software Developer, Architect

DFS Deutsche Flugsicherung GmbH

Developing and extending a microservice for authorization systems and user/group management.
Integrating Keycloak (OAuth2) into the existing application.
Mapping all permissions via Keycloak.
Optimizing OAuth2 tokens.
Languages: Java.
Frameworks: Spring Boot 3.3 – 3.4, Keycloak 22 – 24, JPA/Hibernate, JBoss EAP 8, Java EE 8 – Jakarta EE 10.
Tools: Gradle, Jira, Confluence, GitLab + CI/CD, Elasticsearch.
Testing/QA: JUnit.
Technologies: OpenAPI, REST, JSON, Keycloak, OpenID, SAML.
Databases: PostgreSQL.
Operating Systems: Windows, Linux.
Cloud/Container: Tomcat 10 – 10.1, WildFly 32 – 34.

Aug 2023 - Dec 2023

5 months

Karlsruhe, Germany

Software Developer

Lucke EDV GmbH

Project work on adapting the banking system for legal reporting requirements for derivatives.
Modifying Java Swing dialogs, backend services, and databases.
Creating the reporting process (Java on host under OS/390).
Languages: Java.
Frameworks: Java/Jakarta EE 8 – 9, Java Swing, JPA/Hibernate.
Tools: Gradle, Jira, Confluence, Bitbucket, SVN, Jenkins.
Testing/QA: JUnit, SonarQube.
Technologies: XML, XSD, JSON.
Databases: IBM DB2.
Operating Systems: Windows, OS/390.
Cloud/Container: Tomcat 9 – 10.

Jan 2023 - Jun 2023

6 months

Karlsruhe, Germany

Team Lead, Software Architect

Starface GmbH

Functional and disciplinary team leadership for developing the core components of the Starface telephone systems.
Coordinating release content and alignment between product management, QA, and executive management, including resource and budget planning.
Preparing the team for agile workflows, introducing GitLab and CI/CD; migrating Jenkins to GitLab.
Managing an external development team through outsourcing within the EU.
Designing a cloud-ready target architecture for the telephone system software including a multi-phase implementation plan; breaking down the monolith into functional and technical sub-services.
Languages: Java 17, C/C++, JavaScript, TypeScript.
Frameworks: Spring Boot 1.9 – 2.1, Jakarta EE 8 – 10, Java Reactive, VueJS, React, JDBC.
Tools: Gradle, Jira, Confluence, GitLab + CI/CD, Bitbucket, SVN, MS Project, Nexus, IntelliJ, Jenkins.
Testing/QA: JUnit, SonarQube.
Technologies: OpenAPI, REST, JSON, HTML/CSS, JSF/JSP.
Databases: PostgreSQL.
Operating Systems: Windows, Linux.
Principles: OOA, OOD, DDD, TDD, arc42.
Cloud/Container: VMware/ESX, Tomcat 10.1 – 11.

Jul 2019 - Dec 2022

3 years 6 months

Karlsruhe, Germany

Software Development, Team Lead, Software Architect

Econda GmbH

Building up a full-stack SaaS and data engineering team with AI/ML, including functional and disciplinary team leadership.
Implementing and optimizing workflows for agile work and controlling.
Setting up an AWS application landscape for high-load systems (>30 million accesses per day), including stakeholder analysis, customer workshops, architecture documentation per arc42, system design and analysis per TOGAF.
Coordinating customer projects and release content as well as resource and budget planning; aligning between management, operations, and sales.
New development of a product for AI-based purchase recommendations for online shops.
New development of a product for AI-based key metric forecasting (sales, visitors, etc.).
New development of a product for AI-based root cause analysis of forecast deviations.
Migrating from Jenkins to GitLab.
Languages: Java 11 – 17, JavaScript, TypeScript, Python.
Frameworks: Spring Boot 2.1 – 3.0, Java EE 8 – 10, JBoss EAP 7.2 – 7.4, JPA/Hibernate, JDBC, VueJS, ExtJS, AWS CDK.
Tools: Maven, Gradle, Jira, Confluence, GitLab + CI/CD, IntelliJ, Nexus, SASS/SCSS, MS Project, Jenkins.
Testing/QA: JUnit, Mockito, Cypress, Jest.
Technologies: XML, JSON, HTML/CSS, OAuth2/Keycloak.
Databases: MySQL, Riak, Exasol, DynamoDB.
Operating Systems: Windows, Linux.
Principles: arc42, TOGAF, Scrum, Kanban, OOA, OOD, TDD.
Cloud/Container: Docker, Kubernetes, Helm, Rancher, Graylog, Tomcat 10 – 10.1, WildFly 32 – 34, AWS, Azure, Kafka, Terraform, S3, CloudFront, EC2, SageMaker, Lambda, Firehose, Redis.

Jan 2003 - Jun 2019

16 years 6 months

Karlsruhe, Germany

Software Development, Team Lead, Project Lead

Atruvia AG

Software development and expert in the banking domain (complete software for cooperative banks).
Identity management and authorization systems (including AD and LDAP).
Document management as well as automated return/form management and BPM (§18 KWG).
Legally compliant archiving of contract documents and account statements.
Multi-channel communication between the bank and its customers.
Automated transaction management to support controlling and audit, as well as process control.
Data mining to support data warehouse and business process management for banks (BIS).
Designing, introducing, and implementing a test framework and DSL based on XText/XTend for automated setup of test banks.
Taking over project and team leadership since 2015 (technical and functional leadership of up to 20 team members).
Languages: Java 1.3 – 11, JavaScript, TypeScript, XText/XTend.
Frameworks: Spring Boot 1.0 – 1.5, Java EE 5 – 8, Java Swing, JavaFX, JPA/Hibernate, JDBC, Eclipse EMF, Angular, React, jQuery, Vaadin.
Tools: Maven, Jira, Confluence, Eclipse, Nexus, SASS/SCSS, MS Project, Jenkins.
Testing/QA: JUnit, Mockito, Selenium, Jest.
Technologies: XML, XSD, JSON, HTML/CSS, RTF.
Databases: Oracle, IBM DB2, MongoDB, Elasticsearch.
Operating Systems: Windows, Linux.
Principles: arc42, TOGAF, Kanban, OOA, OOD, TDD.
Cloud/Container: Tomcat 4 – 8, MQS, Coherence, EHCache, Camunda (BPMN).