Traffic management and digitalization of state of the Art Traffic management for existing and up-coming customers

• Frontend Development using ReactJS, nginx and Node.js
• New Micro-services development for Traffic management System
• Technology selection decisions and estimations
• Feature development as per Stack-holders requirements
• Bug-fixing and daily business
• messaging driven API design
• DDD and TDD development
• Integration with other Siemens micro-services

• Bigdata engineering support
• Event sourcing and event mapping to other sink
• Supporting Data-Science Team
• MongoDB migration

• API design
• API development
• Continuous Integration & Deployment to Kubernetes cluster

• API design & development
• POC to implement ELT pipeline using different technologies
• Refactor and redesign legacy code -
• Continuous Integration & Deployment to Kubernetes cluster

Postcon is Germany's largest alternative mail service provider. Specializing in business mail over one billion shipments every year – with over 15 years of experience in the German mail market.

• API development for shipment-batch-upload and reclamation upload from partners
• Feature development
• Redesigning Software Architecture
• Continuous Integration & Deployment
• JSF web-framework, migrating primeface 3.0 to newer version
• Jdk 6 to 8 migration
• Centrilizing log collection and log search using ELK stack.
• Scala introduction and integration into existing codebase

MeteoGroup is a leading full-service company in the global weather business. It is in a unique position to provide local forcasting and consultancy services to the global customer base. In addition to the tailored products it provides to corporate, industrial and media customers, MeteoGroup is also the company behind the best selling apps WeatherPro and MeteoEarth.

• Development from scratch and maintenance of backbone central content application providing weather related information to all possible clients in all possible programming languages.
• Involvement in other projects which are utilizing Backbone content-API.
• Defining and maintaining new business Objects to be stored in No-SQL DB. (MongoDB)
• Front-end development for analysis and observation purposes.
• Partly involved in Team leading
• Partly involved in recruitment process by evaluating the solution submitted by the recruiter.
• Mentoring and educating new un-experienced java-developers.
• Research and implementation of in-memory caching solutions.
• Migration legacy and new development to AWS

Ehotel is one of the leading provider in online hotel reservation market. Ehotel assists you quickly , reliably and securely to reduce your organizational and finical efforts in booking hotel.

• Integration of SOLR search engine into the current web-portal.
• Development and maintenance of JMS based search service application.
• Development and maintenance of dynamic updates of new databank entries over JMS service.
• Development and maintenance of product.
• Data modeling and maintenance for new and current business objects.
• Tapestry based Front end development.

Intershop Communications AG is one of the leading provider of E-Commerce-Software.

• Development of Order-Entry-Tool for the customer order management, used by a call-center agent.
• Analysis of user stories and definition of required business processes.
• Implementation of the business processes in java.
• Customization and implementation of shopping cart into the Order-Entry-Tool.
• Customization and implementation of coupon redeem mechanism.
• Front end development and customization with Javascript and Intershop specific Markup language (ISML).
• Bug-fixing and maintenance of Intershop E-commerce platform.

Synchroinca PLC is a specialist in Push - Email and PIM synchronization solutions.

• Development and maintenance of Back-End Connectors for popular PIM (Personal Information Manager) like MS-Exchange, SUN Java Email Server, Lotus Domino, Google.
• Development and maintenance of server side XML filter for Dynamic device configuration using xml/xsd.
• Active collaboration on Sun mircosystem's ODS (Open Data Sync) project:
• Development of SyncML-Client for File-Synchronization.
• Development of SLAMD-Jobs for server side load test performance measurement.
• Technical support to Sun microsystem regarding integration of j2me client.
• Mobile SyncML Client development using J2ME.

• Development of Test-case interpreter for the control of embedded system on board unit (OBU).
• System test of OBU (On Board Unit) and error removal in new version of the software.

• Integration of Motorola-Router to Cisco-Router.
• OSPF-Routing-Procol , configuration and error removal.
• NMS (Network Management System) operation with HP Open view