Martin Eisengardt
Software Developer
Experience
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.
Instructor
Udemy
- Designing and creating a training series on Java, Spring Boot, Spring Cloud, and AI development.
- Link: Spring Boot Campus ([link]
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.
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.
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.
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.
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.
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).
Industries Experience
See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.
Experienced in Information Technology (21.5 years), Banking and Finance (17.5 years), Education (1 year), Aerospace and Defense (1 year), and Telecommunication (0.5 years).
Business Areas Experience
The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.
Experienced in Product Development (22 years), Project Management (20.5 years), Information Technology (19 years), Business Intelligence (3.5 years), and Quality Assurance (0.5 years).
Skills
- Java Se 5 – 23, Java/jakarta Ee 5 – 10, Javascript, Typescript
- Spring Boot 1 – 3.4, Spring Framework 3 – 6.1
- Terraform, Aws, Gcp, Azure
- Vuejs, React, Angular
- Sql, No-sql, Jpa, Jdbc, Elastic
- Junit, Cypress
- Xml, Xsd, Json, Uml, Openapi/rest, Bpmn
- Ci/cd, Sonar, Jboss, Tomcat, Jenkins, Devops
- Scrum, Agile Methods
- Secure Coding, Performance Tuning
- Eclipse, Intellij, Visual Studio
- Ms Project, Jira, Confluence, Git, Svn, Maven, Gradle
- Docker, Kubernetes
Languages
Education
Atruvia AG
Vocational training as IT Specialist in Application Development · IT Specialist in Application Development · Kassel, Germany
Gymnasium Heringen
High school diploma · Heringen, Germany
Certifications & licenses
CPSA-F
OCP Java
Profile
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