ICEfaces Experts in Germany
in minutes with the power of AIWork with specialists who maintain enterprise JavaServer Faces systems, resolve Ajax push bottlenecks, and migrate legacy ICEsoft components. FRATCH matches your technical requirements with vetted, immediately available freelancers.
Meet FRATCH Experts in Germany, who have recently used ICEfaces
Sabahattin K.
Last position:
Sole responsibility (design, development, infrastructure, operations) at Own project busik.ch
- Ride-sharing and bus platform, live and fully functional. Backend with Spring Boot 4.1 on Java 21, PostgreSQL with Flyway, and Testcontainers integration tests. Hosted in my own AWS account (ECS Fargate, ALB, ECR, IAM Least-Privilege) with CI/CD via GitHub Actions and OIDC federation without static credentials. Development fully AI-supported with Claude Code, including custom skills and project-specific memory. Spring Boot · Java 21 · PostgreSQL · Flyway · Docker · AWS ECS/ALB/ECR · CI/CD · GitHub Actions · Claude Code
Maciej W.
Last position:
Senior Software Engineer at EQS Group GmbH
- Further development of the compliance products
- Responsible for the Senior Software Engineer role
- Team size: 5 - 15 people
- Tools: TypeScript, Angular 18, Node.js, Nest.js, AWS, Kubernetes/Helm Charts/Docker, GitLab (CD/CI), Elasticsearch, MySQL, OpenAI, Java, RabbitMQ
Allal K.
Last position:
Java Senior Full Stack Developer at Insurance ÖRAG
- Further development of a policy administration system (contract/claims) for the legal expenses insurer ÖRAG.
- My role: Senior Software Developer.
- The team consists of 12 developers.
- Technologies used: Java 8/21, Java EE, Quarkus, WebLogic, JPA, RabbitMQ, JTA, CI, CD, Jenkins, DB2, Maven, Jenkins, GIT (bitbucket) later GitLab, Junit, Elasticsearch, Mockito, Jira, SonarQube, Scrum, React, Workflow
- Migration and modernization of legacy systems: rewrote C and C++ code in Java to improve maintainability, scalability, and performance. Refactored Python into Java, including optimization and integration into modern architectures.
- Study on the use of AI (Codex) for implementing a Java feature. The goal is to compare the time spent and productivity of AI-supported development with a classic implementation by a developer. The results should show how strongly the use of AI affects development time and efficiency.
- Development of the following tariff calculators for the years 2024/2026: private, companies, doctors, farmers, owner-occupied G + H, landlords, traffic, club, top managers, sales representatives, special criminal law, savings bank, municipal, BayGT, doctors, Dehoga
Vladimir M.
Last position:
Developer at Financial services provider
- Support and further development of a framework for developing applications in a banking association: DynS/OSPE
- Migration of the framework to Java 11 and Java 17
- Java8, Java11 and Java17, Spring, Spring-Batch, Spring WebServices, Spring-Security, Spring-Data, JPA, Hibernate, OpenSource libraries etc.
- XML, JAXB, JSON, REST and SOAP services, DB2, Oracle, WebSphere or Liberty AS, FreeMaker, Junit, mock libraries, JaCoCo, Maven, IntelliJ, Eclipse, GitHub, SVN, Jira
Reinhard D.
Last position:
Continuing Education Data Analytics, Artificial Intelligence, Deep Learning, Machine Learning at Continuing Education
- Continuing education in Data Analytics, Artificial Intelligence, Deep Learning and Machine Learning
- Operating system: Windows
- Development environments: JetBrains PyCharm, Jupyter Notebook, Spyder
- Programming languages: Python 3.10
- Other technologies: Anaconda, Keras 2.10, NumPy, OpenCV, Pandas, Scikit-learn, Seaborn, TensorFlow 2.10, PyTorch
Igor K.
Last position:
Freelance Software Developer
Discover over 15,000 top freelancers
Statistics of experts using ICEfaces
Aggregated from the professional profiles of matched freelancers.
Experience
24 years
Position duration
2.3 years
Positions per freelancer
16
Top business areas
Information Technology, Product Development, Quality Assurance
Top industries
Information Technology, Banking and Finance, Transportation
Bachelor's degree or higher
100%
Master's degree or higher
80%
Doctorate
40%
Certifications per freelancer
2
Most common languages
German, English, Arabic
Speak two or more languages
83%
Based on our profile pool as of 29 Oct 2026.
Daily rate distribution
The chart shows how the daily rates of experts in this technology in Germany are distributed, based on recent contracts on our platform. Each bar covers a rate range — its height shows the share of experts charging within that range.
Average rates of experts in Germany using ICEfaces
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 29 Oct 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
ICEfaces experts industry focus
See which industries our matched freelancers work in most often — every figure is calculated live from the freelancers on FRATCH.
- Information Technology (100%)
- Banking and Finance (67%)
- Transportation (67%)
- Government and Administration (67%)
- Automotive (50%)
- Education (50%)
- Insurance (50%)
- Telecommunication (50%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
Enterprise JSF and Rich Internet Applications
ICEfaces is an open-source presentation framework designed for Java EE and Jakarta EE ecosystems. Built by ICEsoft Technologies, it extends standard JavaServer Faces by adding server-centric Ajax capabilities. Organizations utilize it to construct dynamic, enterprise-grade web interfaces entirely in Java without managing manual client-side state.
Core Architecture and Ajax Push
The framework centers around Ajax Push, historically known as ICEfaces Push, which delivers asynchronous DOM updates directly from the server to client browsers. This mechanism removes traditional page refreshes by calculating server-side component tree differences and transmitting precise UI deltas, which ensures real-time operational views across complex browser sessions.
Typical Project Requirements
- Maintaining legacy JSF application suites
- Resolving threading bottlenecks in Ajax Push runtimes
- Migrating proprietary ICE components to standard PrimeFaces or modern web views
- Modernizing Java EE backends to Jakarta EE runtimes
- Patching security vulnerabilities in older application servers
Application Ecosystem and Integration
ICEfaces operates within traditional Java enterprise infrastructures, running on application servers such as WildFly, Apache TomEE, WebSphere, and WebLogic. Implementations often pair ICEfaces components with Spring Framework backends, Hibernate ORM, and enterprise messaging systems like JMS to process background tasks that trigger asynchronous UI renders.
Enterprise Deployments in Germany
In Germany, long-lifecycle business systems in manufacturing, banking, and public administration rely heavily on stable Java EE stacks running ICEfaces. German enterprises often require senior talent capable of navigating strict internal data security mandates while managing technical debt, maintaining uninterrupted mission-critical portals, and planning phased decoupling initiatives.
Profile of Seasoned ICEfaces Professionals
Qualified specialists demonstrate comprehensive command of JSF lifecycle phases, custom component renderers, and servlet container tuning. They distinguish themselves by diagnosing push connection leaks in reverse proxies and executing clean architectural migrations toward modern frontends without disrupting existing enterprise business logic.
Frequently asked questions
Before you brief your next project: the most common questions about ICEfaces.
ICEfaces enables Java development teams to build dynamic user interfaces without writing extensive client-side JavaScript. Through server-side event orchestration and Ajax Push, the platform pushes real-time data updates directly to web browsers, making it valuable for trading desks, monitoring consoles, and administrative portals.
While both libraries extend standard JavaServer Faces, ICEfaces originally distinguished itself through patent-protected server push mechanics and automatic Ajax event integration. PrimeFaces gradually gained broader market share due to lighter page footprints and frequent update cycles, which often makes migration to PrimeFaces a common modernization path.
A proficient ICEfaces professional must possess deep knowledge of the core JSF lifecycle, CDI, and Jakarta EE standards. Familiarity with Java application servers like WildFly or JBoss, enterprise security, and build tools like Maven is essential, alongside modern JavaScript proficiency for eventual frontend decoupled migrations.
Numerous large corporations and public-sector institutions in Germany operate business systems that depend on stable ICEsoft frameworks. Freelance specialists provide immediate diagnostic and maintenance capabilities without requiring long-term internal training on legacy component architectures.
Projects typically require senior professionals who understand historical Java EE versions and complex servlet lifecycles. Working with older ICEfaces releases demands practical experience with connection pooling, reverse proxy socket configurations, and memory heap tuning to resolve session bloat.
Most ICEfaces assignments support remote execution, as the work involves source code refactoring, bug fixing, and backend tuning. Periodic on-site meetings in Germany may be requested for architectural reviews, compliance audits, or working within high-security corporate networks.
Transitioning from ICEfaces requires disentangling server-driven state management from business logic. Specialists usually evaluate whether to modernize toward standard JSF components or to expose RESTful endpoints for modern single-page applications built with Angular or React.
Assess the candidate's understanding of partial tree processing, DOM difference rendering, and thread management in ICEfaces Push. A strong candidate can demonstrate past project examples resolving memory leaks, handling browser compatibility regressions, and refactoring monolithic presentation layers.
The average hourly rate of freelancers in Germany who have used ICEfaces in their recent projects is 91 €, which corresponds to a daily rate of about 730 € based on an 8-hour working day.
Of the freelancers in Germany who have used ICEfaces in their recent projects, 100% hold at least a Bachelor's degree, 80% hold at least a Master's degree, and 40% hold a doctorate.
On average, freelancers in Germany who have used ICEfaces in their recent projects have 24 years of professional experience, with a single engagement typically lasting around 2.3 years.
The most common languages among freelancers in Germany who have used ICEfaces in their recent projects are German (100%), English (83%), and Arabic (17%).
The most common industries among freelancers in Germany who have used ICEfaces in their recent projects are Information Technology (100%), Banking and Finance (67%), and Transportation (67%).
The most common business areas among freelancers in Germany who have used ICEfaces in their recent projects are Information Technology (100%), Product Development (83%), and Quality Assurance (50%).
Main locations of FRATCH Experts, who have recently used ICEfaces
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 Frankfurt Stuttgart Dusseldorf Leipzig Dortmund Essen Bremen Dresden Hanover Nuremberg Request a free demo
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Philipp Thomaschewski
FRATCH CEO
