Recommended expert

Daniel Witt-surmann

Senior Developer / Deputy Project Manager

Daniel Witt-surmann
Münster, Germany

Experience

Jan 2025 - Dec 2025
1 year

Senior Developer / Deputy Project Manager

Finanz Informatik GmbH & Co. KG

  • Working as Senior Developer - Working as Deputy Project Manager - Technologies: Java (Spring), React - Environment: OSPlus, MKP - Development of various standalone tools - Development of unit and Selenium tests - Integration of REST APIs - Full-stack development - Steering and planning of 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

  • Working as Senior Developer - Architecture (Backend/Ops) - Development with Kotlin (Quarkus) and Java (Spring) - AWS cloud environment - Use of Kubernetes, Terraform, and GitOps - Further development of the Congstar app backend - Development of unit, integration, and system tests - Coordination with the app clients and development of the REST API - Maintenance and refactoring of existing code - Building a microservice architecture in AWS - Setting up a GitLab CI/CD - Backend development and DevOps - Agile project approach
Sep 2022 - Dec 2022
4 months

Senior Developer

Finanz Informatik GmbH & Co. KG

  • Working as Senior Developer - Development with Java (EE) and vanilla JavaScript (jQuery) - Environment: OSPlus, OSPlus_neo, OSPlus Enterprise - Further development of applications used in payment transactions - Development of unit and integration tests - Full-stack development - Agile project approach
Jan 2022 - Jun 2022
6 months

Senior Developer

Uniper SE

  • Working as Senior Developer - Development with Kotlin (Spring) and Vue.js (TypeScript, Electron) - Azure cloud environment - Use of Kubernetes, Redis (High Availability), and Azure Key Vault - Further development of an application for compliance with regulatory requirements in the energy sector - Development of unit and integration tests - Building a Redis high-availability cluster - Integration of Azure Key Vault - Full-stack development - Agile project approach
Mar 2021 - Aug 2022
1 year 6 months

Senior Specialist

DEVK Versicherungen

  • Working as Senior Specialist - Architecture (Backend/Frontend) - Development with Java (Spring) and Vue.js - AWS cloud environment - Use of Kubernetes, RabbitMQ, and Terraform
Jun 2019 - Feb 2021
1 year 9 months

Senior Java Developer

Talentsconnect AG

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

Software Consultant

Gebit Solutions GmbH

  • Working as Software Consultant - 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

  • Working as Software Developer - Architecture (Backend/Frontend) - Development with Java (JEE) and vanilla JavaScript (jQuery) - Integration of web-based third-party applications - Third- and second-level support - Working with OSPlus, OSPlus_neo and OSPlus Enterprise

Skills

  • Programming Languages: Kotlin, Java, Go, C, Objective C, Cobol

  • Databases: Neo4j, Mysql, Oracle, Db2

  • Scripting Languages: Javascript, Html, Css, Php

  • Cloud: Azure, Aws

  • Servers: Tomcat, Ktor, Websphere Liberty Profile, Jboss, Glassfish

  • Version Control: Git, Subversion, Tortoisesvn

  • Development Environments: Intellij Idea, Eclipse, Webstorm, Xcode

  • Frameworks: Spring, Spring Batch, Quarkus, React, Vue.js

  • Testing: Junit, Mockito, Mockk, Wiremock, Rest-assured, Selenium

  • Others: Cypher, Sql, Graphql, Soap- & Rest-webservices, Xml, Xslt, Model Driven Design, Gradle, Maven, Ant, Osgi, Oauth2, Saml2, Docker, Jenkins, Azure Key Vault, Hashicorp Vault, Redis (Sentinel), Ssh, Terraform /-Grunt, Ssh, Gitlab-ci/cd

  • Operating Systems: Macos, Windows, Linux (Ubuntu)

  • Software: One System Plus (Osplus), Finanz Informatik; One System Plus Neo (Osplus Neo), Finanz Informatik; Multichannel Platform (Mkp), Finanz Informatik; Integrity, Gebit Solutions; Trend Framework, Gebit Solutions; Trend Analyst, Gebit Solutions

Languages

German
Native
English
Advanced

Certifications & licenses

Efficient Application Development with Java Enterprise Edition

Integrity

GEBIT Solutions

Multichannel Platform (MKP)

Finanz Informatik

One System Plus Neo (OSPlus_neo)

Finanz Informatik

Oracle Certified Associate, Java SE 7 Programmer

Oracle Certified Professional, Java SE 7 Programmer

Software One System Plus (OSPlus)

Finanz Informatik

Trend Analyst

GEBIT Solutions

Trend Framework

GEBIT Solutions

XML Basics

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