Integration Middleware Application Engineer 100%



Company Description

CREALOGIX is a leading global FinTech software solutions provider working with some of the most innovative financial brands in the world.  We are dynamic and growing with over 600 employees around the world including Switzerland, Germany, Spain, the UK, the Middle East and Singapore.

Some of the world’s largest banks and wealth management firms select and deploy our advanced SaaS and cloud-based technologies to meet their customers’ needs – and it’s our people who make the difference.

Job Description

We are looking for a Integtration Middleware Application Engineer 100%. The position is available immediately and can be accomplished from our office in Stuttgart. Working remotely is also possible.

Your mission

  • Support and consult deployment and configuration of middleware environments, especially Reverse Proxying and WAF configuration. Experience with Ergon Airlock WAF or Envoy Reverse Proxy will be an advantage
  • Advanced understanding of existing infrastructure setup and application architecture in TCP/IP networks; mainly Middleware and in our environment the interaction between Reverse Proxy WAF -> API Gateway/GLOO --> Kubernetes
  • Both, deployment and installation of a ReverseProxy WAF as well as maintenance and implementation of new environments: virtual hosts, routing/mappings and backend services. Focus on hardening the traffic analysis -> Request and Response Action rewrites, CSP, Allow/Deny Rules, integration of third party applications, ICAP, advanced Apache configuration knowledge
  • Both, configuration and installation of the internal API Gateway and maintenance, based on Gloo Envoy Proxy
  • Consult and assist Kubernetes and/or Openshift client environment set-up; basic understanding of helm charts and ingress rules
  • Maintenance, enhancements and application trustee of CLX internal Airlock tool (base SpringBoot, JEE 8, Microservices, JavaScript)
  • Support of installation, administration, and configuration of application stacks (e.g., Oracle, Tomcat, Apache Web Server, JEE 8, NodeJS, Linux/ UNIX)
  • Third party support for Reverse Proxy WAF and API Gateway related JIRA issues; collect and analyze client logs and triage the findings to the engineering teams
  • Support the customer and their operations during the GoLive events (on-call service/Pikettdienst)
  • Support in defining quality assurance and software distribution standards
  • Provide ad-hoc support to clients for infrastructure and deploymentt


  • Bachelor or master’s degree in information technology / computer engineer or any equivalent experience
  • Basic knowledge of virtualization and containerization (e.g. Docker, Kubernetes, Helm, Artifactory etc.)
  • Solid experience with Middleware (e.g. Reverse Proxying, WAF configuration etc.)
  • Proven experience in operation of modular and heterogenous enterprise applications
  • Experience in administration and configuration of Oracle and SQL, PL/SQL
  • 2 years of experience in a similar role in an international environment
  • Experience with monitoring and logging systems (e.g. Kibana, Splunk, Grafana)
  • Understanding of administration and management of Linux based environments
  • Solution oriented attitude and customer consulting experience
  • Quality driven, process oriented and structured approach to work
  • Good language skills in German and English

Additional Information

We offer flexible annual working time models, part time as well as a hybrid approach to home office. At CREALOGIX we live a friendly culture with flat hierarchies, where people call each other by their first names. Come and join us in a supportive working environment with training and development opportunities on and off the job, a generous holiday entitlement, the possibility of unpaid leave as well as location-related benefits.

CREALOGIX Group is proud to be an equal opportunity employer. We are committed to equal employment opportunity regardless of origin, religion, age or gender. We support inclusion and welcome diversity as an essential source of strength in our global team. Please note that all our job descriptions are written gender neutral. 

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Onkar By: Onkar