OpenShift Experts in Frankfurt

Ornel Franck W.

Purchasing Manager, Logistics, IT Manager & Software Architect

Last position:

Sales Partner at ERGO PRO

Industry: Insurance, Trade, IT
Customers & Projects: Consulting and selling insurance and similar services
Main tasks: Insurance consulting (health insurance, retirement planning, wealth building); commercial services, inside and field sales; sales data analysis and forecasting; customer consulting and support; opening a new sales headquarters for private and business customers; business development & innovation management; business use case development; process optimization; stakeholder management; team leadership and training; preparation and delivery of trainings;
Technologies used: Microsoft Office 365, Microsoft Teams, Jira, Draw.IO, Camunda 8, Java (8, 17,21,25), Git, Spring Boot, Spring Batch, Spring Data REST, Spring Web, Spring Security, J-Unit, Playwright, Lombock, Vaadin, H2, PostgreSQL (16, 17 18), pgAdmin, Docker, LLMs, JasperSoft Studio, JasperReports

Boian V.

Solution Architect

Frankfurt

Last position:

Solution Architect at DB InfraGO AG

The Base Services of DB InfraGO form a central data hub between the company’s IT systems. Common Data Services are developed that distribute data from source systems to a variety of downstream systems (via JMS) and make them available (via REST API). The existing service landscape based on TIBCO is being migrated to DB InfraGO’s cloud-native platform.

Architecture design and implementation for performance-optimized bulk data processing of several million datasets at specific times during the day
Technical specification and documentation of business requirements
Integration of various subsystems (including SAP and Salesforce) through the reimplementation of more than 40 microservices based on Spring Boot
Migration of TIBCO Based microservices from the Enterprise Integration Platform to the Cloud Native Platform using Spring-Boot
Establishment of a deployment pipeline using GitLab CI/CD, Artifactory, and automated deployment to a Kubernetes environment with the help of ArgoCD
Definition and implementation of automated unit, integration, and regression tests

Team Size: 9

Technologies/Tools: Java, Spring Boot, ActiveMQ(JMS), JUnit, Tibco Business Works, Gitlab (CI/CD), Kubernetes (Amazon AWS), ArgoCD, postgreSQL, Oracle, Postman, Hoppscotch, openAPI, Sonarqube

Uday V.

Full Stack Java Developer and DevOps Engineer

Last position:

Senior Full Stack Java Developer & DevOps Engineer at Deutsche Börse (DBAG)

Project: SCS (Settlement / Clearing Services)

Settlement platform serving multiple trading and clearing venues — counterparty risk safeguarding, settlement volume reduction, central risk management, and post-trade anonymity.

Technologies: Java 17, Spring Boot 3, Microservices, Spring Data JPA, SonarQube, Fortify (SCST), Mockito, Jenkins, OpenShift, Maven, Podman, GitHub, JIRA, Liquibase, Swagger, AMQP, Apache Camel, Terraform, PostgreSQL, Instana, Graylog.

Identified and remediated CVEs in third-party libraries using SCA tooling, strengthening the security posture of production components.
Maintained 90% code coverage with SonarQube, improving code quality and reducing production defects.
Enabled mTLS for database authentication and message broker connections, enforcing encrypted, certificate-validated communication.
Designed and deployed microservices with asynchronous, REST-based communication between components.
Optimized a high-volume REST API (~200K requests) by reducing response time from 3s to 2s (33% improvement), boosting throughput and reliability under production load.
Automated build and continuous integration pipelines using Maven and Jenkins.
Orchestrated containerized workloads on Podman/OpenShift and governed schema evolution with Liquibase, ensuring reliable, repeatable deployments across all environments.
Optimized Java code and implemented EHCache-based caching, improving application performance.
Streamlined release management by governing application images, JAR versions, and dependencies through DBAG Artifactory, ensuring version consistency and audit traceability across environments

Basil S.

Senior Developer / Data Engineer

Last position:

Senior Developer / Data Engineer at Large energy-sector company

Co-founded the Real-Time Data team, which grew to 10 members over time.
Developed and delivered core data products.
Optimized real-time application performance and implemented monitoring, alerting and logging solutions to ensure system stability.
Created and maintained deployment pipelines.
Collaborated with teammates, architects and experts in an agile Scrum environment.
Operated applications, analyzed, tested and troubleshot software solutions.

Ingo D.

Analytics

Last position:

Analytics at BaFin - Federal Financial Supervisory Authority Frankfurt

Introduction of methods for developing and automated deployment of cloud-native software and machine learning applications in OpenShift clusters
Development of various programs in Python
Technologies: Kubernetes, OpenShift, Kustomize, ArgoCD, Tekton, Docker, PodMan, Airflow, IntelliJ, PyCharm, Git, Bitbucket, Jira, Confluence, Python

Kurt R.

CTO / Project Lead & Product Co-Owner

Eschborn

Last position:

Lead Solution Architect (AI HealthTech) / interim CTO & Product Co-Owner at Physio-Agil Frankfurt

General CTO responsibilities (architectural design, operational setup, external runtime product evaluation, investor buy-in, regulatory compliance).
Software development oversight (implementation on deep-dive-in) plus workflow design.
Product co-ownership.
Tech/tools/frameworks: proprietary software (Java, JavaScript), Kubernetes, Postgres, MiniIO, Ollama (internal), several xAI API (external), OpenTofu (Terraform), Keycloak, Kafka, Prometheus, ELK Stack, GitHub, GitHub Workflows, Argo CD, ISO 27001, BSI-ISM, EU AI Act.

Alona L.

AI Architect

Last position:

AI Architect

AI-powered platform for automated UX validation and designer support

Designed and led technical implementation of an enterprise-wide AI solution for automated UX review that improved design quality and significantly reduced manual review processes in teams
Developed an automated UX validation tool as a Figma plugin and web application that generates test cases based on internal guidelines and reliably checks current designs for consistency and standard compliance
Implemented an interactive designer chat based on RAG that answers questions about the current design and the company's UX guidelines, and designed the deployment architecture using containerized services
Python, Azure OpenAI, PostgreSQL, REST API, Docker, OpenShift, Helm, CI/CD, Figma MCP, LLM, RAG, Prompt Engineering, GenAI, XAI, AI Architecture, AI Strategy

Werner K.

Test Coordinator, Designer and Engineer

Bad Homburg

Last position:

Test Coordinator, Designer and Engineer at IBM

Testing the SekIDP and related components
Test design, execution and automation, microservices, GitHub Enterprise, Eclipse, Katalon Test Platform, API Testing, Confluence 8, JIRA/Xray, Draw.io, Swagger/OpenAPI, Postman, Docker, Kubernetes, Podman, PuTTY, E-Health, Telematik, Gematik standards, EPA, E-Rezept, sektoraler IDP, encryption, XaDES, PaDES, DICOM, HL7, FHIR, IHE, ICD, SSO, SAML/Shibboleth, OAuth, smartcards, JWT, two factor authentication Android and iOS, Wireshark, BrowserStack, Cypress, gRPC, REST, SOAP, WS-Security, Linux Shell, PowerShell, SSH/SSL, Java, Kotlin, Cordova, Gradle, Groovy, Python, TypeScript

Oluwasegun A.

Observability Specialist

Eschborn

Last position:

Observability Specialist at ING GmbH

Requirements analysis for the enterprise-wide observability platform.
Creation of playbooks and pipelines for rolling out Envoy, OpenTelemetry Collectors, and OpenTelemetry Agents.
Conducting load tests for capacity planning of metrics for the observability platform.
Documentation and implementation of compliance standards for production readiness.
Creation and design of RED metrics, spanmetrics, JBoss, and Tomcat dashboards for mission-critical applications.
Setting up alerts for critical applications for proactive incident response.
Integration of OpenShift applications into the enterprise-wide observability stack.

Jörn B.

Project Management and PMO

Frankfurt

Last position:

Project Management and PMO at TANKKARTEN | PAYMENT

Close collaboration with development teams to ensure alignment with project goals
Assessment of in-scope assets, requirements definition and support of the public tender process up to vendor selection
Creation and maintenance of UML sequence diagrams to document system interactions
Intensive use of Agile/Scrum methodology and the Spotify model
Development and implementation of cutover and rehearsal plans together with the application managers

Martin G.

Product Management for Medical Portal

Bad Homburg

Last position:

Product Management for Medical Portal at MedTech Startup

Product strategy and roadmap development for digital health portal
Requirements engineering and feature prioritization
User story definition and backlog management
Prototype development
Implementation of continuous delivery
Search engine optimization
Technological environment: Claude Code, Claude Sonnet 4.5, Agentic Coding, TypeScript, React, AstroJS, PostgreSQL, JetBrains IntelliJ, Netlify, Supabase, GitHub Actions, Git, DevOps, continuous delivery

Neha K.

Team Lead | Senior Java Developer

Offenbach

Last position:

Team Lead | Senior Java Developer at Capgemini

Tech Stack: Java 17, Spring Boot, Microservices, REST, GraphQL, Spring AI, Jenkins, Docker, Git/Bitbucket, JUnit, Splunk
Led a team of 6 to deliver policy, claims, and onboarding modules serving 50k+ users, maintaining 99.9% uptime
Cut release cycle time by 35–40% by automating CI/CD with Jenkins and Docker
Implemented trunk-based branching in Git/Bitbucket
Integrated 10+ REST APIs and streamlined customer workflows, boosting process automation by 40%
Increased system stability with proactive Splunk alerting and runbooks, reducing outages by ~25%
Driven quality with JUnit tests (92% coverage) and code reviews; enforced standards with static checks such as SonarQube

Tan P.

DevOps & Fullstack Engineer

Hanau

Last position:

DevOps Engineer in the DevOps Team at Rise-World

Implementation of specified DevOps solutions to automate infrastructure (Terraform, Bicep, CloudFormation, Ansible) on-premises datacenter (Ovirt, Proxmox, Ceph Cluster, MinIO) and private cloud.
Administration, configuration and implementation of CI/CD DevOps pipelines (GitLab, GitFlow) to support development process (Artifactory, Prometheus, Istio, service mesh, Helm Chart, OpenShift (Red Hat Enterprise) / Kubernetes cluster), Red Hat Satellite.
Administration, setup, monitoring and patching of Linux infrastructure based on Red Hat Enterprise for Dev, Test and QA.
Use of Scrum and Kanban methods.
Administration, configuration and implementation of security standards for deploying on Dev, Test, QA and Prod stages of the new ePA applications.
Development of new plugins and add-ons needed on current infrastructure.
Database support.
Data analytics support (Python, Spark, Pandas, Power BI, Splunk Enterprise).
Implementation of best practices for DevSecOps and BizDevOps using GitOps (ArgoCD), Streamlit framework, Semaphore Ansible UI.
Configuration and testing of iperf, uperf, sysbench using benchmark-operator for external source data and IoT/MDM devices, creating reports via ELK / OpenSearch.
Building a new Databricks platform to collect and analyze big data from different sources and IoT devices into Hadoop framework (Python, Pandas, PySpark, Power BI, Apache Airflow).
Building backend data aggregation and processing to automate configuration deployment between different OpenShift clusters and big data framework (Python, Pandas, PySpark, Apache Spark, PostgreSQL, Django 2, Ansible Automation, Jira JSM).
Building a new ML pipeline platform using Kubeflow, TensorFlow, KServe.
Data extraction, transformation and loading from different data sources including structured and unstructured data to analytic DWH / big data cluster using Python, Pandas, Polars, Power BI, Django backend and PostgreSQL.
Setup of new DevOps Test and QA HashiCorp Vault cluster for PKI and IAM.
Configuration and testing of automated patching based on CVSS score, SIEM-integrated CVEs.
Use of Nexpose and InsightVM to scan vulnerability events in network, host, container and application.
Design and implementation of secure and scalable AWS architectures including VPC, EC2, S3, RDS and Route53 and similar setups on Azure and GCP.
Automated system provisioning and deployment using CloudFormation templates.
Configuration of IAM roles, policies and permissions to ensure secure access control.
Patch management, backup automation and disaster recovery setup on AWS infrastructure.
Monitoring and optimization of system performance using AWS CloudWatch and AWS Trusted Advisor.
Support of VMware services (vSphere, Aria, Horizon) and the virtual desktop environment.
Development and maintenance of CI/CD pipelines using Jenkins, GitLab CI/CD and AWS CodePipeline with interface to Nutanix.
Configuration of AWS CloudWatch to monitor application performance and system events.
Planning and execution of migration of on-premises applications to AWS cloud platforms.
Deployment of containerized applications using Docker and Kubernetes in AWS environments.
Deployment of internal software packages between availability zones using AWS CodeDeploy.
Building and deploying ML models using Scikit-learn, XGBoost and Spark MLlib including hyperparameter tuning, model evaluation and production deployment.

Mahesh S.

Azure Solution Architect

Last position:

Azure Solution Architect at Automotive industry

Implementation of complex Azure resources using Terraform IaC and Azure DevSecOps pipelines with network security and zero-trust governance policies
Optimization of the existing network design, firewall and database migration
Implementation of governance and network policies as Policy as Code (PaC)
Establishment of company-wide Azure connectivity using Azure VPN as an IPSec tunnel
Implementation of hybrid on-premises multi-cloud connectivity (GCP, Azure) using Terraform
Development of Azure Functions for scheduled cron jobs and Service Bus message queuing with topics
Optimization of messaging with Service Bus premium features and IP whitelisting
Stakeholder management, customer communication and creation of Architectural Decision Records (ADR)
Responsible for cost-efficient quick wins in Azure and on-premises systems

Karsten G.