Florian Fittkau
Solution Architect with Developer Focus
Experience
Solution Architect with Developer Focus
SymFinIT Solutions GmbH
- Further development of a finance layer for subscription and one-time purchase billing and accounting.
- Technologies: Kotlin, AWS (SQS, S3, ElastiCache, Aurora), React, TypeScript, Coroutines, IntelliJ IDEA, Spring (Boot, Data, WebFlux), JUnit, Testcontainers, Cucumber, Liquibase, PostgreSQL, Webservices (REST), R2DBC, OpenAPI 3, Gradle, GIT, Docker, Netty, GitHub Actions, Jira/Confluence, arc42
Senior Fullstack Developer
SymFinIT Solutions GmbH
- Further development of a documentation platform for quality assurance and billing purposes.
- Technologies: Java 11/17, vue.js, TypeScript, HTML5/CSS, IntelliJ IDEA, Spring (Boot, Data, Web, Security), Lombok, JUnit, Testcontainers, Selenium, Flyway, Oracle DB, Kubernetes, Helm, Jib, Webservices (REST), RabbitMQ, Gradle, GIT, Docker, Gitea, Jenkins 2.0, Jira/Confluence, arc42
Solution Architect and Lead Software Developer
SymFinIT Solutions GmbH
- Further development of a finance layer for subscription and one-time purchase billing and accounting.
- Technologies: AWS (SQS, S3, ElastiCache, Aurora), Kotlin, React, TypeScript, Coroutines, IntelliJ IDEA, Spring (Boot, Data, Cloud, WebFlux), JUnit, Testcontainers, Cucumber, Liquibase, PostgreSQL, Webservices (REST), R2DBC, OpenAPI 3, Gradle, GIT, Docker, Netty, Bamboo, Bitbucket, Jira/Confluence
Backend Developer and DevOps Engineer
SymFinIT Solutions GmbH
- Development of the backend for a healthcare app (electronic prescriptions and e-prescriptions) based on microservices and data protection/IT security aspects.
- Technologies: Microservices, Microsoft Azure, Java 11, Kotlin, Terraform, Kubernetes, Helm, IntelliJ IDEA, Spring (Boot, Security, Data), JUnit 5, Cucumber, Hibernate, Liquibase, MS SQL Server, Webservices (REST, SOAP), OpenAPI 3, Gradle, GIT, Docker, Tomcat, Azure DevOps, Jira/Confluence
Software Architect with Developer Focus
SymFinIT Solutions GmbH
- Initial design and development of a Spring-based architecture for document exchange as a BiPRO webservice.
- Technologies: Java 11, Eclipse, Spring (Boot, Security), JUnit 5, Mockito, Liquibase, RestDocs, MS SQL Server, Webservices (SOAP and REST), Maven, GIT, Docker, Tomcat
Senior Software-Engineer
SymFinIT Solutions GmbH
- Further development of a payment platform with responsibility for adapting to the new ISO 20022 format (MX migration).
- Technologies: Java 8, IntelliJ IDEA, Spring, Selenium, Cucumber, Kanban, JMS (MQ), JUnit, Mockito, Oracle DB, REST web services, JSON, ZKOSS, Maven, Git, TDD, CI/CD (GitLab CI), Docker, Kubernetes, GitLab, Jira/Confluence
Subproject Lead with Development Responsibilities
SymFinIT Solutions GmbH
- Further development of a payment platform with responsibility for the cross-border payments team.
- Technical leadership of up to 14 employees.
- Creation of work packages in the area of cross-border payments in coordination with the project manager and clients.
- Introduction of an agile process using Kanban with a physical board.
- Technologies: Kanban, Java 8, IntelliJ IDEA, Spring, Selenium, Cucumber, JMS (MQ), JUnit, Mockito, Maven, Oracle DB, REST web services, JSON, ZKOSS, Git, CI/CD (Jenkins 2.0), Use Cases, TDD, Docker, GitLab, Jira/Confluence
Software Architect with Development Responsibilities
SymFinIT Solutions GmbH
- Building a new payment platform with architectural responsibility for the graphical user interface.
- Responsible for designing the modules and ensuring architecture compliance.
- Technologies: Java 8, Eclipse, Spring, Selenium, Scrum, JMS (MQ), JUnit, Mockito, Oracle DB, REST web services, Maven, TDD, HTML5/CSS, JavaScript, JSON, ZKOSS, Git, CI/CD (Jenkins 2.0), Docker, GitLab, Jira/Confluence
Software-Engineer
SymFinIT Solutions GmbH
- Further development of a client-server application for receiving and recording payments and forwarding them as a web-based enterprise customer portal.
- Technologies: Java, Eclipse, Spring, EJB, Hibernate, JUnit, Mockito, Oracle DB, SOAP web services, XML, WSDL, Ant, HTML5/CSS, ZKOSS, SVN, Continuous Integration (Jenkins)
Web and Software Developer
SymFinIT Solutions GmbH
- Development of various web-based cockpits and dashboards for visualizing KPIs.
- Technologies: Java/Groovy, Eclipse, Grails, Gradle, Spring, HTML5/CSS, JavaScript, MVC, GORM, JUnit, PostgreSQL, Tomcat, Git, Jira/Confluence, Jenkins
Web and Software Developer
SymFinIT Solutions GmbH
- Developed a scalable platform for visualizing monitoring data in large software landscapes in the browser.
- Technologies: Java/Xtend, Eclipse, GWT, JavaScript, WebGL, jQuery, Ant, H2, HTML5/CSS, AWS, OpenStack, GIT, GitLab, Jenkins
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 (9 years), Banking and Finance (6 years), and Healthcare (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 Information Technology (12 years), Product Development (9.5 years), Accounting (2 years), Project Management (2 years), Business Intelligence (1.5 years), and Finance (1 year).
Summary
- Many years of experience as a Senior Java Developer in an agile environment (Scrum, Kanban)
- Deep focus on code quality and maintainability (Clean Code, TDD, continuous learning)
- Support of project management (creating use cases, planning and control)
- Domain know-how in finance
Skills
- Technologies: Aws, Microsoft Azure, Kubernetes, Terraform, Helm, Docker, Spring (Boot, Security, Data, Cloud, Web, Webflux), React, Vue.js, Webservices (Soap, Rest), Swagger/openapi 3, Cucumber, Selenium, Junit 5, Mockito, Testcontainers, Maven, Gradle, Hibernate, Liquibase, Databases (Oracle, Postgresql, Ms Sql), R2dbc, Html5/css
- Programming Languages: Java 8 / 11 / 17 / 21, Kotlin, Javascript, Typescript
- Tools: Intellij Idea, Eclipse, Git, Jenkins, Azure Devops, Github Actions, Gitlab, Bamboo, Bitbucket, Jira/confluence
- Development: Agile/lean Software Development, Scrum, Kanban, Clean Code, Tdd
- General: Microservices, Ci / Cd, Devops, Software Architectures, Project Management, Continuous Improvement (Kaizen), Arc42
- Domain Knowledge: Izv/azv, Swift Mt, Iso20022, Target2/eba, Electronic Prescription Regulation, Eprescription, Bipro, Payment Service Provider, Accounting
Languages
Education
FernUniversität in Hagen
Finance Business Economist (IWW) · Business Administration · Hagen, Germany · 1,4
Christian-Albrechts-Universität zu Kiel
Dr.-Ing., Live Trace Visualization for System and Program Comprehension in Large Software Landscapes · Computer Science, Software Engineering · Kiel, Germany · magna cum laude
Christian-Albrechts-Universität zu Kiel
Master of Science, Software Systems Engineering · Computer Science · Kiel, Germany · 1,0
Certifications & licenses
AWS Certified Solutions Architect – Associate
EXIN DevOps Professional
ISTQB® Certified Tester Advanced - Testmanager
SIG® QSD Quality Software Development Foundation (Java)
iSAQB® Certified Professional For Software Architecture FL
Profile
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