Daniel W.

Senior Developer

Münster, Germany

Experience

Jan 2025 - Dec 2025
1 year

Senior Developer

Finanz Informatik GmbH & Co. KG

  • Development using Java (Spring) and React
  • Work on OSPlus and MKP
  • Role as sub-project lead
  • Development of various standalone tools
  • Development of unit and Selenium tests
  • Integration of REST APIs
  • Fullstack development
  • Managing and planning a project to migrate an existing application to a new software stack
  • Agile project approach
Dec 2022 - Dec 2024
2 years 1 month

Senior Developer

congstar GmbH

  • Architecture (backend / ops)
  • Development using Kotlin (Quarkus) and Java (Spring)
  • Cloud (AWS) with Kubernetes, Terraform, and GitOps
  • Further development of the congstar app backend
  • Development of unit, integration, and system tests
  • Coordination with app clients and development of the REST API
  • Maintenance and refactoring of existing code
  • Setting up a microservice architecture on AWS
  • Setting up GitLab CI/CD
  • Backend development and DevOps
  • Agile project approach
Sep 2022 - Dec 2022
4 months

Senior Developer

Finanz Informatik GmbH & Co. KG

  • Development using Java (EE) and vanilla JavaScript (jQuery)
  • Work on OSPlus, OSPlus_neo, and OSPlus Enterprise
  • Further development of payment transaction applications
  • Development of unit and integration tests
  • Fullstack development
  • Agile project approach
Jan 2022 - Jun 2022
6 months

Senior Developer

Uniper SE

  • Development using Kotlin (Spring) and Vue.js (TypeScript, Electron)
  • Cloud (Azure) with Kubernetes, Redis (high availability), and Azure Key Vault
  • Further development of an application to meet regulatory requirements in the energy sector
  • Development of unit and integration tests
  • Setting up a Redis high availability cluster
  • Integration of Azure Key Vault
  • Fullstack development
  • Agile project approach
Mar 2021 - Aug 2022
1 year 6 months

Senior Spezialist

DEVK Versicherungen

  • Architecture (backend / frontend)
  • Development using Java (Spring) and Vue.js
  • Cloud (AWS) with Kubernetes, RabbitMQ, and Terraform
Jun 2019 - Feb 2021
1 year 9 months

Senior Java Developer

Talentsconnect AG

  • Architecture (Backend)
  • Development with Kotlin and Neo4j
  • Worked as Security Officer
Apr 2018 - May 2019
1 year 2 months

Software Consultant

GEBIT Solutions GmbH

  • Development with Java (JEE)
  • Integration of terminal hardware
  • Requirements management
  • Testing
  • Documentation
Aug 2012 - Mar 2018
5 years 8 months

Software Developer

Finanz Informatik GmbH & Co. KG

  • Architecture (Backend / Frontend)
  • Development with Java (JEE) and Vanilla JavaScript (jQuery)
  • Integration of web-based third-party applications
  • Third and Second Level Support
  • Worked on OSPlus, OSPlus_neo and OSPlus Enterprise

Languages

German
Native
English
Intermediate

Certifications & licenses

Efficient Application Development with the Java Enterprise Edition

Oracle Certified Associate, Java SE 7 Programmer

Oracle Certified Professional, Java SE 7 Programmer

XML Basics

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