Apache Tomcat Experts in Frankfurt
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Meet FRATCH Experts in Frankfurt, who have recently used Apache Tomcat
Ornel Franck Wora Yeno
Last position:
Purchasing Manager, Logistics & IT Manager at Onlinehandler
Proactive support of management in business field development & innovation management
New development of a suite of business applications for analyzing valuation, P&L, and market price risk data
Automation of all internal and external business and work processes
Development of AI-based and AI-supported ETL processes as well as data analysis
Business use-case development
Business and work process optimization
Enterprise architecture management
Sales data analysis and forecasting as well as capture
Inventory management & reordering
Supplier management and communication
Customs processing & clearance
Shipping handling & warehouse coordination
Interface management
Technologies used: Microsoft Office 365, Microsoft Teams, JTL-Wawi, JTL-WMS, OTTO Partner Connect (OPC), Amazon Seller Central, DHL Global Forwarding, Jira, Draw.IO, Java (8,17,21,25), Jenkins, SonarQube, Git, Gitea, Spring Boot, Spring Batch, Vaadin, H2, PostgreSQL, Docker, Local LLMs, Postman, JasperSoft Studio, JasperReports
Tan Pham
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.
Mustafa Kederoglu
Last position:
Senior Network Design and Engineer at Helaba
Designed and specified the technical network integration of a new business-critical application system (MUREX) in the capital markets area in a complex interface and outsourcing environment.
Created component specifications, a catalog of measures and an implementation plan.
Ensured proper integration of the developed results in line with the bank’s framework: IT compliance, IT security, change and release management.
Selected and integrated a new service provider for the bank; moved critical bank applications to the provider.
Designed, implemented and supported the new Cisco network and Fortinet security setup at the service provider data center.
Acted as technical interface between the bank, service providers and consulting partners.
Supported and further developed the network and security infrastructure (clients, servers, networks); performed error analysis and implemented solutions within agreed service levels.
Analyzed and diagnosed all security and network failures, glitches and malfunctions.
Initiated continuous improvements to ensure efficient resource use and acceptable response times for users.
Provided network support in a financial services organization and prepared operational changes on production banking network infrastructure for both large and small projects within strict change management discipline.
Designed, defined, tested, governed and improved engineering standards.
Performed the role of network architect for medium to large projects involving team resources.
Minh Doan
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
Ulm Paunel
Last position:
DataStage ETL Expert at ING Bank
- Datastage 11.7, dbt, Oracle 19, Python 3.12 / PySpark 3.5, Azure GitHub, Azure DevOps, Automic
- Development of migration jobs to transfer data from the collection DWH to the new Risk Mart, as well as development of ETL pipelines to migrate historical data from the old Mart to the new Risk Mart.
- Storage of the silver layer on Hadoop and the gold layer in Oracle.
- Translation of DataStage jobs into dbt to publish reporting data in Google Cloud to a PostgreSQL database.
- Creation and optimization of complex SQL queries for data extraction from a data vault, taking into account historical data in the point-in-time tables.
- Creation of Oracle table definitions (DDL) and adjustment of existing stored procedures.
- Versioning changes in GitHub and deployment via the CI/CD portal.
- Refactoring long-running DataStage jobs into Python using PySpark to reduce server load.
- Migration of SAS scripts to PL/SQL, including new development of distribution functions that have no direct equivalent in Oracle.
- Development of Automic jobs to run DataStage pipelines and Python scripts (PySpark jobs) that control the population of the SME and institutional risk tables in the Risk Mart and perform business calculations.
- Participation in the agile process, including creating user stories, estimations, and planning in Azure DevOps.
- Handling Azure DevOps tickets and close collaboration with testers and business teams for error analysis and resolution.
Oluwasegun Adebayo
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.
Marie-Josée Mache
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.
Sven Koebnick
Last position:
Generalist System Administrator at Enbw
- Automation of the (Linux-based) web landscape maintenance.
- Use of SALT, SuseManager, Wildfly, scripting and Kubernetes.
- DevOps tasks and use of Jira.
- Management of "special" applications as well as creating and helping with concepts.
- Focus on security, maintainability, integration and tooling/integration.
Mario Steiner
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
Jerry Fonou
Last position:
IT Requirements and Test Management in S/4 HANA Implementation Project at Q_PERIOR AG
- Create functional concepts for implementing applications
- Coordinate tests
- Create and execute test cases
- Create test reports
Ralf Köster
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
Timur Yalcin
Last position:
Lead Frontend Developer | Fullstack Developer at Finanz Informatik
- Further development of an application for managing personnel changes.
- Development of frontend and backend.
- Implementation of the frontend with React and Material UI.
- Implementation of the backend with Java and Spring Boot.
- Use of React, Java, Spring, TypeScript, next.js, Material UI, Github Enterprise, Figma, Docker, Playwright, swagger, swagger UI, OpenAPI, npm, yarn, git.
Mohammad Ashraf
Last position:
ParkProReakt at Justus Liebig University Giessen
- proactive instead of reactive symptom detection in Parkinson patients
- iOS development
- FHIR integration
- database structure
Christopher Eshemokhai
Last position:
Senior Oracle DBA and WebLogic Administrator, Oracle Business Intelligence for Applications
- Oracle databases 11g, 12c and 19c RAC
- Installation, configuration and deployment of Oracle Fusion Middleware 11g & 12c (WebLogic, SOA, Oracle Forms and Report Server, etc., OBIA)
- Administration of Oracle 11g, 12c, RAC and 19c
- Applying patches
- Installation, configuration and deployment of Tomcat
- Oracle tuning
- The system includes several production, QA, test & development Oracle databases and WebLogic application servers 11g & 12c
Krisztián Korcz
Last position:
IT-Soc/Vulnerability at ITZBund
- Vulnerability management (Greenbone, Tenable SC, Rapid7)
- Automation of vulnerability scans
- OpenTofu (Terraform)/Ansible/Vault/Podman/Docker
- Compliance audit
- SOC (ElasticSearch, Graylog)
- Python/Rust/Bash/Shell/PowerShell
- Git collaboration
- Report standardization and automation
- POC for several vulnerability scanning systems
- Setup of vulnerability scanning system
Discover over 15,000 top freelancers
Statistics of experts using Apache Tomcat
Aggregated from the professional profiles of matched freelancers.
Experience
24 years
Position duration
2.2 years (Germany: 3 years)
Positions per freelancer
22 (Germany: 17)
Top business areas
Information Technology, Product Development, Business Intelligence
Top industries
Information Technology, Banking and Finance, Insurance
Certification focus areas
Information Technology, Project Management, Business Intelligence
Bachelor's degree or higher
91% (Germany: 84%)
Master's degree or higher
73% (Germany: 53%)
Doctorate
9% (Germany: 8%)
Certifications per freelancer
5 (Germany: 3)
Most common languages
German, English, French
Speak two or more languages
94% (Germany: 97%)
Based on our profile pool as of 30 Aug 2026.
Daily rate distribution
The chart shows how the daily rates of freelancers in this technology in Frankfurt are distributed, based on recent contracts on our platform. Each bar covers a rate range — its height shows how many freelancers charge within that range.
Average rates of experts in Frankfurt using Apache Tomcat
Rates are based on recent contracts and do not include FRATCH margin.
The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.
The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.
Calculated based on our freelancers’ daily rates as of 30 Aug 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
About the technology
Tomcat in practice
Apache Tomcat is a Java web server and servlet container used to run web applications built on the Jakarta Servlet and JSP stack. Teams choose it for internal portals, customer-facing apps, and APIs that need a stable runtime. It is common in enterprise systems that already rely on Java.
What specialists deliver
- Deploy and configure Tomcat instances for test, staging, and production
- Tune thread pools, memory, sessions, and connection handling
- Set up reverse proxies, TLS, and access rules
- Review logs, errors, and startup issues
- Plan upgrades between Tomcat versions and Java releases
Ecosystem and skills
Strong Tomcat professionals work comfortably with the servlet spec, JSP, WAR packaging, and application servers around the Java ecosystem. They often know Spring Boot, JDK tooling, Maven or Gradle, Linux, and proxy layers such as Apache HTTP Server or Nginx. They also understand how class loading and context configuration affect runtime behavior.
When companies bring help in
Teams usually look for freelance support when an application starts failing after a Java update, when performance drops under load, or when deployment setups become hard to maintain. In Frankfurt, this often matters for firms running business-critical Java services across finance, logistics, insurance, and shared enterprise IT. Remote work fits many tasks well; on-site time helps when access, security, or legacy environments are involved.
What good work looks like
A strong specialist leaves Tomcat easier to operate, not just patched. Look for clear explanations, careful configuration changes, and a focus on observability, rollback options, and safe release steps. Good professionals also document certificates, memory settings, startup scripts, and any integration points with the surrounding Java stack.
Tomcat versus nearby options
Apache Tomcat is often compared with full Java EE or Jakarta EE servers, but it stays lighter because it focuses on servlet-based web apps. That makes it a good fit when teams want less overhead and more control. It is also a common target for migration work from older web app setups and for hardening existing deployments without changing the application code.
Frequently asked questions
Everything clients usually want to know about Apache Tomcat, in one place.
Apache Tomcat runs Java web applications built with servlets and JSP. Companies use it for internal tools, customer portals, and API layers where a stable servlet container is enough. It is a common choice when the application does not need the full weight of a larger application server.
Tomcat is lighter and more focused than many full Jakarta EE servers. It handles servlet-based web apps well, while a full server may add extra enterprise services such as advanced messaging or broader component support. Teams often choose Tomcat when they want simpler operations and a smaller footprint.
A strong Apache Tomcat specialist should know the servlet stack, JSP, WAR deployment, logging, TLS, and reverse proxies. Useful adjacent skills include Java, Linux, Maven or Gradle, and Spring-based application setup. They should also understand how memory, sessions, and thread pools affect runtime behavior.
Teams bring in Apache Tomcat experts when deployments become unstable, upgrades are risky, or performance needs attention. It also helps when a legacy Java system needs cleanup, documentation, or a move to a new environment. Freelance support is practical when the problem is specific and the internal team needs focused help.
Not always. Many Tomcat tasks can be handled remotely because they are configuration, review, or troubleshooting work. On-site time in Frankfurt can help when access to sensitive systems, local infrastructure, or coordination with nearby teams matters.
The right Apache Tomcat specialist depends on the task. Simple deployment support may need only one experienced professional, while migration, hardening, or production incidents need someone who has handled similar setups before. Ask for clear examples of comparable work, not broad claims.
Common signs include slow startup, memory pressure, repeated deployment errors, connector problems, and unclear logs. If Tomcat is acting differently after a Java or dependency update, expert review is a good idea. Problems that affect sessions, certificates, or proxy routing also deserve attention.
Look for precise questions, a structured plan, and clean documentation. A good Apache Tomcat professional explains trade-offs, identifies root causes, and leaves behind safe settings for future changes. They should be able to describe what was changed, why it was changed, and how to roll it back if needed.
The average hourly rate of freelancers in Frankfurt, Germany who have used Apache Tomcat in their recent projects is 106 €, which corresponds to a daily rate of about 848 € based on an 8-hour working day.
Of the freelancers in Frankfurt, Germany who have used Apache Tomcat in their recent projects, 91% hold at least a Bachelor's degree, 73% hold at least a Master's degree, and 9% hold a doctorate.
On average, freelancers in Frankfurt, Germany who have used Apache Tomcat in their recent projects have 24 years of professional experience, with a single engagement typically lasting around 2.2 years.
The most common languages among freelancers in Frankfurt, Germany who have used Apache Tomcat in their recent projects are German (100%), English (94%), and French (38%).
The most common industries among freelancers in Frankfurt, Germany who have used Apache Tomcat in their recent projects are Information Technology (100%), Banking and Finance (88%), and Insurance (69%).
The most common business areas among freelancers in Frankfurt, Germany who have used Apache Tomcat in their recent projects are Information Technology (100%), Product Development (75%), and Business Intelligence (69%).
Main locations of FRATCH Experts, who have recently used Apache Tomcat
Our freelancers and interim experts are at home across the DACH region — available on-site in the major business hubs or fully remote. Choose a location to discover matched specialists, local market insights and up-to-date availability.
Berlin 
Hamburg 
Munich 
Cologne Request a free demo
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Philipp Thomaschewski
FRATCH CEO
