Andreas Kraus - Senior Developer

Q: Where is Andreas based?

Andreas is based in Munich, Germany and prefers 100% remote projects.

Q: What languages does Andreas speak?

Andreas speaks the following languages: German (Native), English (Advanced), Spanish (Elementary) .

Q: How many years of experience does Andreas have?

Andreas has at least 27 years of experience. During this time, Andreas has worked in at least 8 different roles and for 11 different companies . The average length of individual experience is 1 year and 5 months . Note that Andreas may not have shared all experience and actually has more experience.

Q: What is Andreas's latest experience?

Andreas's most recent position is Senior Developer at ioki GmbH, a Deutsche Bahn AG company .

Q: What companies has Andreas worked for in recent years?

In recent years, Andreas has worked for ioki GmbH, a Deutsche Bahn AG company , authensis AG , Coneva GmbH , and Bayerisches Landesamt für Steuern via IT service provider .

Q: Which industries is Andreas most experienced in?

Andreas is most experienced in industries like Information Technology , Automotive , and Education . Andreas also has some experience in Energy , Banking and Finance , and Telecommunication .

Q: Which business areas is Andreas most experienced in?

Andreas is most experienced in business areas like Information Technology , Product Development , and Research and Development . Andreas also has some experience in Customer Service .

Q: Which industries has Andreas worked in recently?

Andreas has recently worked in industries like Energy , Information Technology , and Transportation .

Q: Which business areas has Andreas worked in recently?

Andreas has recently worked in business areas like Information Technology and Product Development .

Recommended expert

Munich, Germany

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Experience

Jan 2024 - Jun 2024

6 months

Frankfurt, Germany

Senior Developer

ioki GmbH, a Deutsche Bahn AG company

Fullstack development based on Next.js and TypeScript
Development and optimization of geospatial database queries for PostgreSQL/PostGIS
Visualization of geospatial data using Mapbox
Design and execution of load tests and performance optimizations
Code reviews and documentation tasks
Technologies: JavaScript, TypeScript, Next.js, React, Zod, tRPC, Storybooks, PostgreSQL/PostGIS, MicroORM, Knex, Material UI, Mapbox, BullMQ, Jest, Playwright, Artillery.io, K6, Sentry, Figma, GitLab, Grafana, GTFS

Apr 2023 - Oct 2023

7 months

Munich, Germany

Senior Developer

authensis AG

Frontend development based on React and TypeScript
Backend development based on Node.js, RxJS and NestJS
Development of an adapter for integration with MS Teams via Microsoft Identity Platform and Graph API
Technologies: React, TypeScript, MobX, MobX State Tree, RxJS, Node.js, NestJS, Webpack, Socket.IO, Microsoft Graph API, Microsoft Identity Platform, Azure Active Directory, OAuth

Dec 2021 - Sep 2024

2 years 10 months

Munich, Germany

Senior Developer

Coneva GmbH

Design and implementation of microservices running in the Azure cloud
Frontend development based on TypeScript/Angular using Highcharts for visualization of energy data
Backend development based on Java/Kotlin/Spring Boot/Reactive or Serverless using Azure Functions
Development of pipelines for energy data from Azure IoT-Hub/Event Hub/Service Bus
Processing and persisting of time series data
Monitoring system operation with dashboards, metrics and alarms in Datadog
Setup of new microservices and deployment via Helm Charts and Terraform
Code reviews and monitoring of code quality with Sonar
Documentation of activities using Confluence
Technologies: TypeScript, Angular, NgRx, Highcharts, HTML, CSS, Sass, Storybooks, Testcafe, Java, Spring Boot, Spring Reactive, Apache Camel, Lombok, jOOQ, Kotlin, Python, Postgres/Citus, Docker, Kubernetes, Helm, Terraform, Azure DevOps, Azure Service Bus, Azure Storage, Application Gateway, Application Insights, Azure Functions, Azure IoT/Event Hub, ADX, AKS, CosmosDB, MQTT, Auth0, Datadog, Sonar, Figma, Jira, Confluence

Mar 2021 - Aug 2021

6 months

Munich, Germany

Senior Developer/Architect

Bayerisches Landesamt für Steuern via IT service provider

Development of a cockpit functionality as part of the ELSTER tax process
Frontend development based on TypeScript and React
Backend development based on Java, Kotlin and Spring Boot
Extension of the low code platform A12
Creation and optimization of Kubernetes deployments
Accessibility (A11y) optimizations
Technologies: TypeScript, React, Redux, React Saga, Jest, fp-ts, monocle-ts, HTML, CSS, Stylus, Java, Kotlin, Spring Boot, Bitbucket, Docker, Gradle, Kubernetes, Helm, K3S, Camunda, BPMN, Confluence, JIRA

Apr 2019 - Jun 2020

1 year 3 months

Munich, Germany

Lead/Senior Developer/Architect/Coach

authensis AG

Support in technology selection and system architecture analysis and design
Realization of workshops and bootstrapping project infrastructure (Git, Slack, Trello, ...)
Webpack templating including code quality tools (Prettier, Linter)
Frontend development based on React and TypeScript
Backend development based on Node.js and RxJS
Design and implementation of global state management with MobX and MobX State Tree
Serialization and deserialization of proprietary data formats
Code reviews and coaching
Technologies: React, TypeScript, MobX, MobX State Tree, RxJS, Node.js, Webpack, Socket.IO

Jan 2019 - Dec 2020

2 years

Munich, Germany

Lead/Senior Developer/Architect

FinTech

Requirements clarification and coordination with product owner and external partners
Design and implementation of microservices running in the Azure cloud
Code reviews and documentation activities
Planning and running of coding interviews and onboarding of new team members
Delivery of lightning talks
Frontend development based on TypeScript and Angular
Backend development based on Scala/Play Framework or Java/Spring Boot
Development of Scala standalone applications using Gatling or Spark
E2E tests based on Cypress and Protractor
Creation of Docker images for standalone, Kubernetes and ACI deployments
Creation and deployment of Azure ARM templates
Azure DevOps activities: repositories, boards, CI/CD pipelines
Monitoring application operation with metrics and alarms
Monitoring and optimization of Kubernetes cluster and deployments
Migration from self-managed Kubernetes to managed AKS cluster
Technologies: Scala, Slick, Java, Spring Boot, Angular, TypeScript, JavaScript, RxJS, Kubernetes, Azure, Git, Microsoft Teams, HTML5, Sass, CSS, Matomo, Hotjar, IntelliJ IDEA, Azure DevOps Services, VSTS, Docker, ZIO, Cypress, Protractor, Testcontainers, MSSQLServer, Spark

Apr 2016 - Dec 2018

2 years 9 months

Munich, Germany

Senior Developer/Architect

Autoscout24

Requirements clarification and coordination with product owner and teams
Design and implementation of microservices running in the AWS cloud
Representation of the team in guild meetings
Code reviews and documentation activities
Delivery of lightning talks
Development of detail and list views for car listings
Development of REST API for mobile apps
Development of KPI application for dealers/OEMs and recommended listings view for BMW dealers
Frontend: HTML5, JavaScript, React, Redux, TypeScript
Backend: Scala and Play Framework
Data pipelines using Kafka, Akka Streams, RxScala or AWS Lambdas
Persistence with DynamoDB and ElasticSearch
CI/CD for AWS, cloud formation templates, monitoring dashboards
Integration with finance services like Finanzcheck
Technologies: Scala, ElasticSearch, DynamoDB, JavaScript, HTML5, Sass, CSS, Bacon.js, Play Framework, AWS, Akka, Akka Streams, Apache Kafka, Git, Go.CD, Opsgenie, MacOS, IntelliJ IDEA, Google Analytics, Rollup, Rambda.js, Google Highcharts, ECMAScript 6, RxScala, Gradle, Swagger, Hystrix, Datadog, Ruby, Docker, Webpack, Jenkins

Feb 2016 - Jun 2016

5 months

Munich, Germany

Senior Developer/Architect

authensis AG

Backend development based on Node.js
Development of agent frontend based on Angular
Development of JavaScript library for frontend integration using ReactJS and Socket.IO
Deployment and operation in the AWS cloud
Support for infrastructure integration
Technologies: Node.js, React, Socket.IO, WebSockets, Angular.js, HTML5, Bootstrap, CSS, JavaScript, AWS, Gulp, Webpack

Oct 2015 - Jan 2016

4 months

Munich, Germany

Senior Developer

Identity Solution Provider

Development of REST microservices based on Play Framework
Frontend development using EmberJS
Integration of a video server using Icelink
Development of an export module for identifications
Support for application and infrastructure deployment
Documentation activities
Technologies: Java 8, Play Framework, EmberJS, HTML5, Scss/Sass, JavaScript, npm, Bower, Broccoli, Git, GitHub, SBT, IntelliJ, WebSockets, Icelink 2, WebRTC, Tokbox/Opentok, CentOS, Ubuntu, MySQL, Oracle, Apache Tomcat, Docker, HAProxy, Atmosphere Framework, Bootstrap

Nov 2012 - Jul 2015

2 years 9 months

Munich, Germany

Senior Developer

BMW via IT service provider

Development of Unified Sales Platform for BMWi
Requirements clarification and coordination with Scrum teams
Business logic implementation using EJB and CDI
Persistence with JPA and database scripts via Flyway
Process modeling and implementation
Frontend development with JSF, PrimeFaces, JavaScript and CSS
Unit, integration and Selenium tests
External system integration via SOAP and REST
Performance optimizations with JProfiler and JMeter
Documentation using Confluence and code reviews with Sonar
Technologies: Java 1.7, JEE 6, JSF 2, GlassFish, JPA, Flyway, Oracle 12c, JUnit, Mockito, Selenium, Sonar, Subversion, Git, Docker, JavaScript, CSS, Less, HP QC, Eclipse BPMN Modeller, Jasmine, CDI, DBUnit, MapStruct, Dozer, jQuery, JMeter, AngularJS

Mar 2012 - Oct 2012

8 months

Ismaning, Germany

Senior Developer

Daimler via IT service provider

Development of agile change management system (ACM)
Requirements clarification and coordination with Scrum teams
Presentation, application and data layer modeling and code generation
Business logic implementation with EJB and CDI
Persistence using JPA and database scripts
Process rules implementation with Groovy
Frontend development using Eclipse RCP and SWT
Unit tests via OpenEJB and SWTBot
Partner system integration via SOAP over JMS and MDBs
Performance optimizations, testing and bug fixing
Technologies: Java, JEE, EJB3, JPA, Groovy, Eclipse, Maven, Ant, WebSphere, OpenEJB, DB2, Xtext, Xpand, EMF, RCP, SWT, SWTBot, OSGi, JProfiler

Sep 2011 - Oct 2015

4 years 2 months

Munich, Germany

Senior Developer/Architect

authensis AG

Analysis, design and implementation of system architecture for monitoring iOS app
Native app development for iPhone, iPad and iPod Touch
Mobile web app prototype using Sencha Touch
Agent frontend development with Ext JS
REST backend development using Java
Integration with contact center server
Development of online statistics module and push notifications
App deployment via development and Ad Hoc provisioning
Coaching team members in XCode, app development and provisioning
Code migration to XCode 6.4 and iOS 8/Swift
Implementation of authentication, licensing and App Store release
Documentation activities
Technologies: Mac, Xcode, iOS, Objective-C, Swift, Java, JavaScript, Sencha Touch, Ext JS, REST, Jersey, JFreeChart, Eclipse, IntelliJ IDEA, Ant, JEE, JBoss AS, Apache Tomcat, AJAX, WebServices, HTML, CSS, JSP

Feb 2011 - Jul 2011

6 months

Munich, Germany

Senior Developer/Architect

BMW via IT service provider

Development of online platform for customer requests (BMW.next/.digital)
Coordination of system architecture within virtual architecture team
Logging and exception handling concept development and coordination
CRM integration coordination
Compliance monitoring with Sonar and code reviews via Fisheye/Crucible
JIRA ticket processing and project bootstrapping (SVN, Maven)
Hudson/Jenkins integration, Day CQ5 component administration
Frontend development with JSP, JavaScript, CSS, jQuery, Ajax
Backend development with EJBs and REST web services
Unit and integration tests including Selenium
Deployment procedure development and documentation via UML and EPK
Technologies: Java 5, JEE, EJB3, JPA, Servlets, JSP, JSTL, Oracle, jQuery, FireBug, HTML, CSS, Ajax, JSON, Eclipse, SharePoint, SOA, Jersey, Ant, Maven, Google Maps API, Subversion, Apache Tomcat, soapUI, JUnit, Mockito, Hudson, Selenium, JMeter, Confluence, Sonar, Fisheye/Crucible, JIRA, Day CQ5, OSGi

Nov 2009 - Jan 2011

1 year 3 months

Munich, Germany

Senior Developer/Architect

BMW via IT service provider

Development of dealer search functionality for BMW B2C platform
System architecture analysis and design
Coordination with customer departments
Service and data layer modeling
Backend development with EJBs and REST web services
Integration with geo database via SOAP web services
JavaScript API development for dealer search using Google Maps API
Administration frontend development with JSF
Unit and integration tests including Selenium
CI environment setup with Hudson and load tests with LoadRunner
Documentation activities
Technologies: Java 5, JEE, EJB3, JPA, JSF, JSP, JSTL, Facelets, Oracle, SiteMinder, SSO, JAAS, jQuery, FireBug, HTML, CSS, Ajax, JSON, Eclipse, NetBeans, Subversion, Apache, XStream, Jettison, soapUI, JUnit, Mockito, Hudson, Selenium, JMeter, LoadRunner

Sep 2007 - Aug 2009

2 years

Munich, Germany

Senior Developer/Architect

authensis AG

Development of campaign management module for call and contact center
System architecture analysis, design and implementation
Plug-in architecture development for UI integration
Scripting framework development for conversation guides
External application integration components
Import/export functionality
Real-time communication framework in Java with serialization/deserialization
Use of Java low-level APIs for high scalability
Integration with dialer and ACD modules
Web Callme module redesign for callback requests
Call classification functionality development
Technologies: Java, JavaScript, Eclipse, JBuilder, Ant, JUnit, JBoss, WebServices, SOAP, Tomcat, MagicDraw, Linux, XML, CVS, Subversion, JDBC, PostgreSQL, Oracle, HTML, JSP, CSS, C/C++, Spring, Apache Wicket, Swing, ONC RPC

Apr 2001 - Apr 2007

6 years 1 month

Munich, Germany

Academic Studies and PhD

Ludwigs-Maximilians-Universität München

Studies and PhD at the Department of Informatics
PhD thesis on model-driven software engineering for web applications
Degree: Dr. rer. nat., magna cum laude

Apr 2001 - Apr 2007

6 years 1 month

Munich, Germany

Scientific Assistant

Ludwigs-Maximilians-Universität München

Technical coordination of GLOWA-Danube project partners
Development of a framework for distributed and parallel execution of simulation components
Model-driven development of a web application for simulation administration and control
Performance optimization through parallelization and data type optimizations
Development of an automatic delivery system for simulation components
Integration of external systems written in Fortran into Java components
Technologies: Java, Swing, Eclipse, EMF, Ant, Tomcat, Spring, Hibernate, RMI, MagicDraw, Rational Rose, Linux, XML/XSLT, CVS, MySQL, JDBC, HTML, JSP, JSF, CSS, AJAX, JSTL, J2EE, JBoss, WebServices, SOA, SOAP, EJB, JUnit, Cocoon

Jan 2000 - Dec 2000

1 year

Munich, Germany

Studies of Physics

Ludwigs-Maximilians-Universität München

Completed with a diploma in physics, grade: very good

Mar 1996 - Jun 2007

11 years 4 months

Developer/Architect

Various clients

Development of a GUI framework for Java rich clients
Inbound (ACD) frontends for agents, supervisors, and administrators
Outbound (dialer) frontends for agents, supervisors, and administrators
Collaborative co-browsing module development
Web frontend design
Technologies: HTML, CSS, Java, JSP, JSTL, SQL, Apache Tomcat, JavaScript, Eclipse, JBuilder, XML, CVS, Subversion, MySQL, JDBC, Oracle, Swing, RMI, Delphi, Perl, Ant, JUnit

Industry Experience

See where this freelancer has spent most of their professional time.

Experienced in Information Technology, Automotive, Education, Energy, Banking and Finance, and Telecommunication.

Information Technology

Automotive

Education

Energy

Banking and Finance

Telecommunication

Business Area Experience

See which departments and functions this freelancer has contributed to most.

Experienced in Information Technology, Product Development, Research and Development, and Customer Service.

Information Technology

Product Development

Research and Development

Customer Service

Skills

More Than Fifteen Years Of Experience In Development, Architecture, And Coaching Across Various It Projects
Highly Motivated, Work On My Own Initiative, And Enthusiastic About The Latest Technologies
Quality Awareness With Analytical And Conceptual Skills
Rich Experience In Applying Agile Methods (Scrum, Kanban, Etc., Over 10 Years)
Full-stack Development Including Cloud And Devops ("You Build It, You Run It")
Artificial Intelligence (Ml/ai, Generative Ai Applications, Prompt Engineering, And Emerging Technologies)
Cloud-native And Container Technologies (Docker, Kubernetes, Iac, Aws, Azure, Etc., Over 5 Years)
Service-oriented Software Development (Microservices, Rest, Apis, Kafka, Etc., Over 10 Years)
Web Technologies (Html, Css, Angular, React, Next.js, Etc., Over 10 Years)
Java/kotlin Development (Jvm In General, Spring Boot, Formerly Also Jee, Etc., Over 10 Years)
Javascript Development (Typescript, Node.js, Rxjs, Webpack, Etc., Over 10 Years)
Object-oriented Software Development (Over 10 Years)
Functional Software Development (Especially Scala Technology Stack, Over 5 Years)
Reactive Programming (Rxjs/java/scala, Akka Streams, Monix, Spring Reactive, Over 5 Years)
Application Of Clean Code Principles And Tdd (Over 10 Years)
Performance Optimization (Over 10 Years)

Languages

German

Native

English

Advanced

Spanish

Elementary

Education

Apr 2001 - Apr 2007

Ludwig Maximilian University of Munich

Doctor of Natural Sciences, Model-Driven Software Engineering for Web Applications · Computer Science · Munich, Germany · magna cum laude

Oct 1995 - Jun 2000

Ludwig Maximilian University of Munich

Diploma in Physics · Physics · Munich, Germany · very good

Statistics

Experience

Total positions 19

Experience in Information Technology 22 y

Avg length 2 y 5 m

Longest experience 11 y 3 m

Global Experience

Countries worked in 1 (Germany)

Primary country Germany

Expertise

Recent roles Senior Developer, Senior Developer/Architect, Lead/Senior Developer/Architect/Coach

Main industries Information Technology, Automotive, Education

Main business areas Information Technology, Product Development, Research and Development

Qualifications

Highest degree Doctorate

Profile

Created

November 2024

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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Andreas based?

Andreas is based in Munich, Germany and prefers 100% remote projects.

What languages does Andreas speak?

Andreas speaks the following languages: German (Native), English (Advanced), Spanish (Elementary).

How many years of experience does Andreas have?

Andreas has at least 27 years of experience. During this time, Andreas has worked in at least 8 different roles and for 11 different companies. The average length of individual experience is 1 year and 5 months. Note that Andreas may not have shared all experience and actually has more experience.

What roles would Andreas be best suited for?

Based on recent experience, Andreas would be well-suited for roles such as: Senior Developer, Senior Developer/Architect, Lead/Senior Developer/Architect/Coach.

What is Andreas's latest experience?

Andreas's most recent position is Senior Developer at ioki GmbH, a Deutsche Bahn AG company.

What companies has Andreas worked for in recent years?

In recent years, Andreas has worked for ioki GmbH, a Deutsche Bahn AG company, authensis AG, Coneva GmbH, and Bayerisches Landesamt für Steuern via IT service provider.

Which industries is Andreas most experienced in?

Andreas is most experienced in industries like Information Technology, Automotive, and Education. Andreas also has some experience in Energy, Banking and Finance, and Telecommunication.

Which business areas is Andreas most experienced in?

Andreas is most experienced in business areas like Information Technology, Product Development, and Research and Development. Andreas also has some experience in Customer Service.

Which industries has Andreas worked in recently?

Andreas has recently worked in industries like Energy, Information Technology, and Transportation.

Which business areas has Andreas worked in recently?

Andreas has recently worked in business areas like Information Technology and Product Development.

What is Andreas's education?

Andreas holds a Doctorate in Computer Science from Ludwig Maximilian University of Munich.

What is the availability of Andreas?

Andreas is immediately available for suitable projects.

What is the rate of Andreas?

Andreas's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.