Jakarta Faces (JSF) Experts in Berlin
matched in minutes by AIHire experts who create server-rendered Java web interfaces, design reusable Facelets components and connect Jakarta Faces applications with CDI, JPA and enterprise services. FRATCH quickly matches you with vetted, available freelancers whose skills fit your project.
Meet FRATCH Experts in Berlin, who have recently used Jakarta Faces (JSF)
Jorge P.
Last position:
Software Engineer – AWS and Kubernetes Specialist at Citti
- Creation, maintenance and hardening of Kubernetes clusters employing Ansible and ArgoCD
- Keywords: Ansible, AWX, Kubernetes, NetApp, Prometheus, CI/CD ArgoCD, SSO, Fluent-bit, HAProxy, Calico, Keycloak, oauth2-proxy, SealedSecrets, kubeseal, Aqua kube-bench, CIS-Benchmarks, Aqua Trivy operator
Fernando C.
Last position:
Senior Front-End Developer at Moss
- Moss is a spend-management platform for SMEs that bundles corporate cards, web-based applications and reimbursements, AP/procurement and advanced accounting in one place.
- Splits time across Accounting, Spending and Growth tribes, handling requirements gathering, public product design, coding, testing, debugging and internal apps.
- Participates in development and maintenance of the design system/UI kit and supports tooling, documentation and developer experience.
- Builds form-heavy UIs, drawer-based editing, high-density/resilient tables with server-side filters, pagination, column configurations, CSV/Excel export and bulk operations, all wired for permissions and auditability.
- Works with complex cross-entity relationships without a single-schema solution.
- Uses React, Redux Toolkit, styled-components, react-hook-form, React PDF, Vite, Lokalise, React Testing Library and Playwright.
Ola V.
Last position:
IT Lecturer
- IT training in theory and practice for IT specialists in application development and system integration
Nikunjkumar P.
Last position:
Senior Java Backend Developer at Questax Professionals GmbH
- Provide the Price Listing Service team with prices for all cars and vans in different markets
- Adapt market-specific requirements such as taxes, government subsidies, campaigns
- Import and synchronize new prices for all new and existing cars and store them in the Redis datastore
- Support our product and on-call duty
- Daily business, development of new features, bug fixing
- Pair programming, code review, mob programming
- Develop POCs for new ideas
- Maintain and extend the backend
- DevOps tasks
- Run Kubernetes updates
- Adjust and further develop Kubernetes resources
- Develop and adapt Helm charts
- Adapt and update ArgoCD
- Maintain, adapt, and improve CI/CD
Neil P.
Last position:
Software Engineer at AKDB
- Maintenance, further development, modernization and testing of the OK.VERKEHR specialist application, a monolithic Enterprise Java solution (with approx. 3,5 Mio LOC) for vehicle registration and driving license authorities
- Design, development, testing and maintenance of end-to-end workflows (dialogs, backend services and persistence layer, test suite) for new driving license applications, changes/extensions to driving licenses, management of parking permits and truck driver cards
- Development and maintenance of web services for communication between local traffic authorities and the Federal Motor Transport Authority, FAER register, TÃœV testing centers and driving schools
- Performance optimization and targeted refactoring for the future migration to a cloud architecture and the addition of a new web client (Vaadin)
- 3rd-level support for customers during ongoing operations
Dirk U.
Last position:
Developer at Future Training & Consulting GmbH
Training course with exam for Spring Certified Professional.
- Environment: Spring Boot 3, Spring Framework 6, IntelliJ
Henning P.
Last position:
Backend Systems Development at Deutsche Bank/DWS/Morgenfund
- Developed backend systems for the DWS Investment App, a white-label investment solution (robo-advisor), and an investment solution for institutional clients.
- Java 8-17, Kotlin, Spring Boot, Spring MVC, OpenAPI 3.0, JPA, JDBI, Oracle, Hazelcast, JXLS, Apache POI, Apache PDFBox, Apache Kafka & Avro, Active MQ, Elasticsearch, React Native, Spock Test, IntelliJ IDEA, Kubernetes, Helm, Microservices/Netflix-Stack, TeamCity, Splunk.
- Kanban team, continuous integration.
- Migrated existing applications from Deutsche Bank's private cloud environment to Azure as part of a carve-out.
Igor K.
Last position:
Freelance Software Developer
Discover over 15,000 top freelancers
Statistics of experts using Jakarta Faces (JSF)
Aggregated from the professional profiles of matched freelancers.
Experience
23 years (Germany: 22 years)
Position duration
2.4 years (Germany: 2 years)
Positions per freelancer
17 (Germany: 15)
Top business areas
Information Technology, Product Development, Quality Assurance
Top industries
Information Technology, Retail, Automotive
Certification focus areas
Information Technology, Product Development
Bachelor's degree or higher
100% (Germany: 86%)
Master's degree or higher
33% (Germany: 50%)
Certifications per freelancer
2
Most common languages
German, English, Portuguese
Speak two or more languages
75% (Germany: 96%)
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 Berlin 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 Berlin using Jakarta Faces (JSF)
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.
Jakarta Faces (JSF) 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%)
- Retail (63%)
- Automotive (50%)
- Banking and Finance (50%)
- Telecommunication (50%)
- Education (38%)
- Insurance (38%)
- Media and Entertainment (38%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
What Jakarta Faces is
Jakarta Faces, formerly known as JavaServer Faces and commonly called JSF, is a Jakarta EE web framework for building component-based user interfaces in Java. It uses server-side UI components, Facelets views and managed application state to support structured enterprise web applications.
Where it fits
Jakarta Faces is used for internal portals, business administration screens, customer service interfaces and data-heavy workflows. It suits applications where forms, validation, navigation, permissions and close integration with Jakarta EE services matter more than a highly interactive browser front end.
- Enterprise portals and back-office applications
- Multi-step forms with validation and conversion
- Data tables, dashboards and workflow screens
- Long-lived Jakarta EE applications needing modernization
Ecosystem and tooling
Strong specialists work across Facelets, composite components, expression language and the Jakarta Faces lifecycle. They often connect views to CDI beans, JPA persistence, Bean Validation, REST services and security layers. Common supporting libraries include PrimeFaces, OmniFaces and component libraries built for Jakarta EE applications.
When companies need help
Companies bring in freelance expertise when a legacy JSF application needs migration from javax.* to jakarta.*, performance tuning or a clearer component structure. Specialists can also resolve lifecycle bugs, improve accessibility, replace outdated dependencies and prepare releases for modern application servers.
- Refactor pages and shared Facelets templates
- Diagnose validation, state and navigation issues
- Integrate REST endpoints and persistence services
- Upgrade application-server and Jakarta EE dependencies
What strong specialists deliver
The best professionals understand both the browser and the server-side lifecycle. They write maintainable composite components, keep view state under control and separate presentation logic from domain services. They also test validation, authorization, accessibility and failure paths instead of judging quality only by visual output.
Berlin project context
In Berlin, Jakarta Faces expertise can support enterprise software in finance, public services, logistics, healthcare and established technology companies. Remote collaboration works well when repositories, application-server environments and release responsibilities are documented; on-site work may help when teams are modernizing a tightly coupled legacy system. German and English communication requirements should be agreed early.
Frequently asked questions
Need clarity? These are the questions we hear most often about Jakarta Faces (JSF).
Jakarta Faces (JSF) is used to build server-rendered Java web interfaces from reusable UI components. It is well suited to enterprise portals, administrative workflows, forms, data tables and applications that integrate closely with Jakarta EE services.
Jakarta Faces manages much of the component lifecycle and form processing on the server, while JavaScript frameworks usually place more interaction and state management in the browser. The right choice depends on the existing Java stack, interface complexity, team skills and need for rich client-side behavior.
A strong JSF specialist should understand Facelets, CDI, expression language, Bean Validation and JPA. Experience with Jakarta Security, REST integration, application servers, SQL and component libraries such as PrimeFaces is also valuable.
The required background depends on the system rather than a fixed tenure. A small view change may need focused Facelets knowledge, while a migration or lifecycle investigation calls for someone who has handled Jakarta Faces architecture, application-server configuration and production troubleshooting.
Jakarta Faces can be a practical choice for maintaining and modernizing an existing component-based Java application. A specialist should first assess the current JSF version, javax-to-jakarta migration path, server compatibility, view-state behavior and opportunities to isolate outdated code.
JavaServer Faces projects can usually be handled remotely when the codebase, environments and deployment process are accessible. Berlin teams should clarify overlap hours, documentation standards and whether German communication is needed alongside English.
Jakarta Faces (JSF) work benefits from on-site sessions when specialists must map undocumented workflows, inspect a tightly coupled enterprise system or coordinate a migration with several internal teams. Regular remote delivery can follow once access, ownership and release checks are clear.
Ask a Jakarta Faces specialist to explain the request lifecycle, state saving, validation and the boundary between view logic and business services. Review examples of reusable components, tests and production fixes, then use a focused technical discussion to confirm that the approach fits your application.
The average hourly rate of freelancers in Berlin, Germany who have used Jakarta Faces (JSF) in their recent projects is 92 €, which corresponds to a daily rate of about 734 € based on an 8-hour working day.
Of the freelancers in Berlin, Germany who have used Jakarta Faces (JSF) in their recent projects, 100% hold at least a Bachelor's degree and 33% hold at least a Master's degree.
On average, freelancers in Berlin, Germany who have used Jakarta Faces (JSF) in their recent projects have 23 years of professional experience, with a single engagement typically lasting around 2.4 years.
The most common languages among freelancers in Berlin, Germany who have used Jakarta Faces (JSF) in their recent projects are German (88%), English (75%), and Portuguese (25%).
The most common industries among freelancers in Berlin, Germany who have used Jakarta Faces (JSF) in their recent projects are Information Technology (100%), Retail (63%), and Automotive (50%).
The most common business areas among freelancers in Berlin, Germany who have used Jakarta Faces (JSF) in their recent projects are Information Technology (100%), Product Development (88%), and Quality Assurance (75%).
Main locations of FRATCH Experts, who have recently used Jakarta Faces (JSF)
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.
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Cologne 
Frankfurt Request a free demo
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Philipp Thomaschewski
FRATCH CEO
