Profilbild von Christian HafnerSprengholz Software Entwickler aus Walzbachtal

Christian Hafner-Sprengholz

verfügbar

Letztes Update: 03.11.2023

Software Entwickler

Abschluss: Dipl. Ing.
Stunden-/Tagessatz: anzeigen
Sprachkenntnisse: deutsch (Muttersprache) | englisch (verhandlungssicher)

Dateianlagen

Christian-Hafner-Sprengholz-CV_031123.pdf

Skills

SAP, Hybris, Java, Scrum, Spring, REST, SAP Hybris / SAP Commerce, Solr, SQL, JUnit, TDD, Microservices, Continuous Integration, Pair Programming, Code Review, Ant, Maven, GIT, Docker, IntelliJ, Hybris Commerce Zertifizierung, Google Cloud Platform, Kubernetes, Terraform, Java , Mockito, Impex, Groovy, Gitlab CI, Jira, Confluence, Microservice, Testing, Requirements Engineering, Bug-Fixing, Jenkins, Spring Boot

Projekthistorie

08/2022 - 03/2023
Java Backend Development
Hamburger Hafen und Logistik AG (Transport und Logistik, 5000-10.000 Mitarbeiter)

Wartung / Weiterentwicklung proprietärer SW zur Steuerung von Deployments und Provisionierung von Systemen.

10/2021 - 07/2022
SAP Hybris Developer
Hoffmann-Group (Konsumgüter und Handel)


04/2021 - 08/2021
Backend Developer
Christ (Konsumgüter und Handel)

International rollout of multiple shops. Focus on backend development, SAP Commerce / Hybris WCMS, ImpEx

10/2020 - 01/2021
Backend Developer
Ingka (Konsumgüter und Handel)

Backend development of a middleware for automation systems DevOps and on-call duty Focus on backend development, Spring Boot, NodeJS Cloud functions

10/2019 - 09/2020
Cloud Migration und Version Upgrade von SAP Hybris
Freelancer (Internet und Informationstechnologie, 10-50 Mitarbeiter)

Backend development, consulting in e-commerce, DevOps

Focus on migrating SAP Hybris from on-prem to GCP-Cloud

- containerized Hybris, Solr & ZK to run on K8S / GKE

- infrastructure as code with terraform from scratch

- migrated to gitlab, new pipelines for CI/CD

SAP Hybris Update 5.6 -> 6.7

- migration of custom extensions

- performance testing and analysis of bottlenecks

 


10/2018 - 09/2019
Fullstack Developer
dmTech (Konsumgüter und Handel)

Full Stack development, consulting in e-commerce Microservice Backend (Spring Boot) - implementation of change requests / new features - code/system quality: refactoring, testing, bug fixing SAP Hybris - implementation of data import features - architectural sessions & requirements engineering for upcoming features - maintenance - international roll out of shops and features

09/2018 - 01/2019
Fullstack Developer
CodeSupply GmbH (Internet und Informationstechnologie)

Full Stack development, architecture, consulting, requirements engineering Focus on Microservice Backend, Spring Boot Reimplementation of existing application for delivering catalogued and indexed documents on an online platform (publishing sector)

06/2018 - 09/2018
Fullstack Developer
Filiadata GmbH (Konsumgüter und Handel)

Full Stack development for an e-commerce platform Focus on react frontend and microservice backend Implementaion of features in SAP Hybris Testing, bug fixing, requirements engineering

10/2012 - 05/2018
Senior Application Engineer
Unic GmbH (Internet und Informationstechnologie)

Development and consulting on multichannel e-commerce solutions. Fokus on SAP Hybris and Solr search engine, microservices Mentoring of junior colleagues Hybris related tasks - data integration (ImpEx, DataHub, ..) - backend UI for PIM and B2C systems - custom APIs (to connect frontends or other systems) - other features Implementaion of features for Solr product search of big e-commerce shop - change request for custom facets and filters - optimizing of search results, boosting and bug fixing Middleware from scatch to connect 3rd party PIM to SAP Hybris - requirements engineering - architectural concepts - technical lead - implementation of tests & features - DevOps - successful go live

04/2011 - 09/2012
Developing Consultant
Cellent Finance Solutions AG Stuttgart


Reisebereitschaft

Verfügbar in den Ländern Deutschland, Österreich und Schweiz
remote
Profilbild von Christian HafnerSprengholz Software Entwickler aus Walzbachtal Software Entwickler
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