IntelliJ IDEA Experts in Frankfurt

Tan Pham

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.

Jan Mundo

Founder, Senior Solution Architect, Team Lead, Senior DevOps Engineer

Heusenstamm

Last position:

Founder, Senior Solution Architect, Team Lead, Senior DevOps Engineer at CreArt IT GmbH

Hands-on solution architect
Digital product development - SaaS
Strategic consulting on software architecture, cloud migration, and DevOps processes
Coaching SE developers and IT architects

Minh Doan

Project Manager / Business Analyst / Application Manager

Bad Vilbel

Last position:

Project Manager / Business Analyst / Application Manager at Finance and Insurance

Introducing 5 different process applications for various teams
Release planning: scope and time management
Resource/capacity planning
Conducting sprint planning / retrospectives
Increment planning (multiple sprints)
Preparing steering committee meetings / reporting to the executive board
Coordinating / aligning with external suppliers / deliveries
Multi-project resource planning
Aligning with the business unit and development team
Identifying best practices with IBM BAW
Cost control and planning for the project team and external service providers
Collecting KPIs using LogScale
Analyzing application errors with LogScale / queries
Defining user stories / aligning requirements with the business unit and development team
Testing and defect tracking
UI/UX design of the application
Preparing and facilitating brown-paper workshop
Test concept, test data, test organization, test execution
Recording team velocity / metrics
Executing tests
Scripts for automated testing
Organizing tests with the business unit and IT
Recording and prioritizing defects
Setting up and operating the application
Setting up application monitoring with LogScale dashboards
Checking health endpoints with PowerShell
Post mortem analysis
Setting up incident management
Setting up problem management
Analyzing errors using LogScale queries and dashboard
Pre-processing data for AI
Conducting evaluation with AI language models (Meta Llama 3.3 LLM and deepset Haystack) and RAG
Installing runtime environments for LLMs (large language model)
Evaluating various LLMs
Installing RAG (retrieval augmented generation) and integrating with LLM
Extracting unstructured data with LLM and RAG
Project based on IBM BAW (Business Automation Workflow), WebSphere Liberty, Domea, d.3, REST, LogScale (formerly Humio), Swagger, PowerShell, JIRA, Confluence, Lucom Interaction Platform (LIP), Mattermost, Jabber

Ingo Dettling

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

Werner Keil

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

Marie-Josée Mache

Java Engineer / Developer

Eschborn

Last position:

Java Engineer / Developer at Davaso GmbH

Involved in the full development lifecycle, including design, coding, testing, and deployment of Java-based applications.
Built and maintained high-performance RESTful APIs and microservices, ensuring scalability and reliable data exchange.
Practiced code reviews, used version control systems (e.g., Git), and collaborated closely with cross-functional teams to deliver robust software solutions.
Implemented, managed, and optimized complex business logic and decision-making processes using the Drools Rules Engine, leveraging DRL (Drools Rule Language) for dynamic configuration.
Developed software solutions for a major service provider in the healthcare insurance sector, specifically focusing on claims processing and reconciliation logic to ensure cost-effective reimbursement for health funds.

Alexey Lysenkov

Frontend Styler

Last position:

Frontend Styler at Finanz Informatik

Implementation of business transaction layouts for the online banking UI in compliance with BITV (accessibility)
Technologies: JavaScript, jQuery, LESS

Leonid Ravin

Business Analyst | Requirements Engineer (certified) | Requirements Manager

Last position:

IT Business Analyst / Requirements Engineer at S-Payment GmbH / Sparkasse (DSV-Gruppe)

Business analysis of payments for the introduction of Wero EPI in Germany.
Analysis and optimization of merchant processes in the context of acquiring and issuing.
Analysis of interfaces for instant payments.
Analysis of SCT-Inst processes, settlement mechanisms and reporting processes.
Identification and clarification of gaps in merchant processes.
Analysis and documentation of clearing and settlement processes.
OSPlus process analysis and documentation.
Coordination and alignment with scheme management as well as various payment service providers and financial institutions on merchant processes.
Preparation and follow-up as well as active participation in EPI meetings on technical coordination and regulatory topics in payments, including content familiarization and prioritization.
Preparation and documentation of project and steering committees in the EPI environment.
Creation of status reports for the subproject.
Maintenance and structuring of Confluence pages for project documentation.
Coordination and alignment with the issuing teams on individual customer processes as well as aligning with bank processes and acquirer processes in the Wero environment.
Communication with payment service providers regarding merchant and bank processes in the Wero environment.
Organizational support for project management in special tasks in the EPI and Wero environment.
Digital filing and documentation in Confluence and Microsoft Teams.
Planning, implementation and tracking of work packages and steps.
Quality assurance and project control.
Consulting on IT strategy, IT architecture and interface management in the EPI and Wero environment.
Technical environment: Jira, Confluence, XML, JSON, MS Office (Word, Excel, Teams, PowerPoint), SharePoint, Draw.io, Innovator, 3rd-level support, ITIL, creation and updating of software documentation, interface management, OSPlus, Scrum, KYC, payment, European Payments Initiative (EPI), Wero, Microsoft Loop, Instant Payments, SCT-Inst.

Martin Gross

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

Mario Steiner

Expert in Web Analytics, Tag and Consent Management

Last position:

Expert in Web Analytics, Tag and Consent Management at Deutsche Bahn AG

Conducting and analyzing web analytics
Creating and editing tags and scripts in tag management as well as banners and other client-side web elements in consent management
Technologies used in development: Tealium, JavaScript, IntelliJ, Git, Android Studio, Selenium, Appium, Adobe Analytics, Power Automate, Power App

Puya Dogouri

Quality Assurance Consultant

Frankfurt

Last position:

Quality Assurance Consultant at Federal Employment Agency

Consulting and implementation of functional test requirements
Responsibility for and validation of test automation solutions in an agile team
Support for QA topics during weekly release tests
Creating test cases using Gherkin
Developing automated tests with Cucumber and Playwright
Specifying and maintaining automated and manual tests

Technologies used:

Confluence
Jira
Cucumber
Playwright
Typescript
Java
Git

Karsten Gerigk

Software Development

Hanau

Last position:

Software Development at Siemens Mobility GmbH

Maintenance and further development of several existing projects in the "AI-powered transportation" sector, based on React, REST-like APIs (Spring, Python) and various design libraries
Responsible in the project for build processes, JavaScript development, architecture, coordination and communication with the design team
Agile software development (Scrum, Kanban)
Technologies: React, TypeScript, Ant Design, Node.js, Yarn, Vite, i18n, Postgres, Keycloak, Jest, Cypress, Storybook
Tools: IntelliJ, Git, GitLab CI, Docker, Confluence, Jira

Ralf Köster

Senior Java Developer, Consultant

Last position:

Senior Java Developer, Consultant at Dataport AÖR

Maintenance and further development of the Java/Swing-based @rtus FormsEditor
Design and development of a graphical formula editor based on Google Blockly to map a project-specific DSL, including parsing and code generation
Implementation of pixel-perfect synchronization between editor and print preview to improve user experience
Technologies: Java 17/21, Swing, JavaFX, JBoss/Wildfly, JUnit, Mockito, Blockly, JPedal, ICEPDF, Eclipse

Adil Sultan

Mobile/Backend Developer

Frankfurt

Last position:

Mobile/Backend Developer at Freelance

Built a cross-platform mobile application using React Native that interacts with IoT devices via RESTful APIs
Implemented state management with Redux and integrated IoT-specific components for smooth data visualization and device control
Developed RESTful APIs using Node.js and Express, utilizing MongoDB for scalable data storage
Facilitated secure communication between the mobile app and IoT devices, enabling device onboarding, status monitoring, and control commands
Implemented real-time data synchronization and optimized data flow to minimize latency

Michael Yaco