Jakarta Server Pages Experts in Germany
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Meet FRATCH Experts in Germany, who have recently used Jakarta Server Pages
Hooman Behmanesh
Last position:
Fullstack Developer at Möbel Roller GmbH
- Further development of the existing e-commerce platform based on SAP Commerce (Hybris) to meet the growing demands of digital commerce.
- Ensuring the scalability and performance of the backend, so the platform remained stable and efficient even under heavy user load.
- Development and integration of new OCC REST APIs and services for modular extensions and flexible adjustments, to implement new features quickly.
- Optimization of data flows and interfaces, which significantly improved platform efficiency and system performance.
- Ensuring a maintainable and scalable code base by using Clean Code principles, proven design patterns, and a future-proof architecture.
- Reduction of errors through extensive testing with JUnit, Mockito, and load tests with Gatling, supported by the introduction of automated test processes.
- Improved system performance through targeted refactoring measures and efficient database queries, especially to handle peak loads.
- Use of modern cloud and monitoring tools such as Kubernetes, Google Cloud Platform (GCP), and Grafana to ensure a stable and monitored infrastructure.
- Clear improvement in efficiency, scalability, and reliability of the platform, which now meets the demands of a dynamic and growing e-commerce market.
Rüdiger Schulz
Last position:
Full-Stack Software Engineer / Consultant for Digitalization at ARTEVENT
Designed, built, and launched an internal event planning web application used by over 100 department leads for a large event, despite having no dedicated testing phase.
Ensured smooth, failure-free operation during first production use, leading to the tool being adopted for future events.
Automated catering calculations and related workflows, significantly reducing email communication and manual computation effort for meal planning.
Managed deployment and hosting on a Linux server using Coolify, including application setup and runtime operations.
Hired and guided a communication designer on UX while independently owning all technical decisions and implementation.
Stephan Giuliari
Last position:
Senior Backend Software Developer at Mercedes-Benz Tech Innovations
- Further development and operation of a central backend service providing vehicle inventory for international Mercedes-Benz online stores
- Enhancement of a vehicle reservation service as part of the checkout process
- Design and implementation of a highly scalable end-to-end test architecture focused on maintainability, reusability, and a high number of automated test cases
- Development of a multi-layered test infrastructure with a clear separation of test logic and access layers
- Development of an initialization and caching architecture to significantly speed up local and CI/CD-based test runs
- Development of an AI-driven review architecture for automated evaluation and quality assurance of end-to-end tests
- Development of a dashboard to consolidate vehicle context across multiple backend systems, including AI-generated summaries and condensed case analyses
- Integration and further development of connections to various reservation systems via Apache Kafka and REST
- Design of new microservices and support in architectural decisions
- Risk analysis and planning of microservice migrations
- Technologies: Java, Spring, Spring Boot, Gradle, Maven, Apache Kafka, REST, OpenAPI, Swagger, GitHub, Confluence, CI/CD, Microservices, AI, LLMs
Christof Hlipala
Last position:
Senior Frontend Developer at HUK24 AG
- Designing new apps as well as enhancing and running 29 Angular apps for digital claims in an Nx monorepo
- Maintaining and improving a shared component library with ~300 libraries for multiple product teams
- Migrating all apps to a new design system including its component library and systematic refactoring
- Developing and maintaining the CI/CD pipelines (Jenkins, Azure DevOps, Terraform, AWS)
- Managing releases independently including branch handling, versioning, PR coordination and production deployment
- Implementing and maintaining tracking (Adobe Analytics)
- Ensuring accessibility according to BFSG/WCAG
- Test-driven development (TDD) with Jest and Cypress
- Code reviews, mentoring and setting up best practices in the team
- Technologies: TypeScript, Angular 16-20, RxJS, NgRx, Nx (Monorepo), npm, HTML, (S)CSS, Storybook, Jest, Cypress, Cucumber, Husky, Node.js, Git, AWS, Azure DevOps (Repos & Pipelines), Jenkins, Terraform, TDD, BFSG, WCAG, Nexus, IntelliJ, Adobe Analytics
Rahul Joshi
Last position:
Hybris Consultant at Bosch Digital
- Implement Hybris Commerce projects for customer.
- Provide technical implementation of Developer and Integrator portal using Hybris solution.
- Integration with Billing and Payment systems.
- Technical ownership of the solution.
- Introduce best practices in Hybris solution and Java technologies.
- Provide release support on AWS environments.
- Technical focal point for sales and engineering teams.
- Supporting engineering team to scope the requirements and in architecting & designing the solutions.
- Proliferate best practices from one project to others, Knowledge management.
Olaf Taesch
Last position:
BI Architect in a Kanban Team at Gulp / Randstad for HHLA
- Creation of automated tests.
- Extension of the functionality of the enterprise BI data warehouse.
- Design and development in SQL and PL/SQL.
- Data modeling as well as performance measurement and tuning.
- Creation of and contribution to user stories and concepts.
- Technical environment: Windows, Linux.
- Database: Oracle 19c incl. DWH, CDB, PDB.
- Tools: Confluence, CVS, Eclipse, Git, GitLab, Jira, N4, PL/SQL, SQL Developer, utPLSQL.
Ola Van Dunen
Last position:
IT Lecturer
- IT training in theory and practice for IT specialists in application development and system integration
Stephan Heilmann
Last position:
Development, Tester at Telecommunications
Set up an operational contract information system. This is mainly used as an order management system - for migrating existing contracts as well as for creating and providing new contract bundles.
Sales agents can use it to order new services, modify existing ones and migrate service types, as well as provide price information to the customer.
This supports the marketing of new services as well as the replacement of old services for existing customers.
In addition, existing data is imported, processed (ETL) and provided via services for further use in the portal front end.
Analysis of the business and technical use cases (workflows, involved processes/systems, communication paths, security requirements)
Further development / creation of the front-end components (React/JavaScript)
Design and implementation of the business logic
Creation of the functional and technical component documentation
Test execution / test automation (Cypress, test coverage)
Team size: 8 people
Technologies: React, JavaScript, Rest (JSon), Yaml, Markdown, MariaDB (SQL), Docker, Swagger, Cypress
Tools: Webstorm, ReactDeveloperTools, VisualStudioCode, Word, DBeaver, Git/GitLab
Work management: GitLab
Platform: Linux
Build management: GitLab
Sascha Seewald
Last position:
Entrepreneur at novael.de
- Focus areas: application development, IT security, project management, conceptual design, online/offline marketing, print, startup phase, SMEs
- Hosting (until end of 2015), monitoring, IT infrastructure, cloud solutions
- Frameworks and tools: Scrum, Kanban, OKR, agile patterns, .NET Core, node.js, Angular, React/JSX, PHP OOP, C#, JavaScript, TypeScript, Python, Ruby, MySQL, MS SQL, Postgres, MongoDB, AWS, Docker, Kubernetes, Jenkins, GitLab CI, Terraform
Alexander Schulze
Last position:
AI Consultant for AI Voice Bot System at Rudolf Hörmann GmbH & Co.KG
- Consultant for system architecture, AI agents & integration, coach for data & process logic, Graph-RAG approaches, security and data protection.
- On-premise AI solutions with high compliance and performance requirements.
- Architecture decisions, operational setup, strategic prioritization & deployment.
- Technologies: LiveKit JS SDK, LiveKit Agents, Web Audio API, JS, AudioWorklet, Loki, vLLM, Zscaler, Docker, Neo4j, MySQL, Python.
- Models: GPT-OSS 20B, Whisper large v3 turbo, Qwen3-TTS.
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.
Patrick Waldschmitt
Last position:
AI Software Engineer at IppenMedia
- Analysis
- Consulting
- Software design
- Development
- Automation
- Testing
- Deployment
- Architecture, development and deployment of various proof-of-concept applications around the integration of current AI interfaces including conversational, realtime voice, images and videos
- Developed best practices for working with agentic systems and AI in practice
- Created code templates
Joaquim Landa Miala
Last position:
Freelance ABAP Developer, Logistics at Cheplapharm
- Tested integration of TIBCO EBX with SAP S/4HANA via TIBCO BusinessWorks – proof of concept
- Implemented use case: communication between TIBCO EBX and SAP S/4HANA via IDocs to exchange material master data and business partner data
- Customized, configured, and implemented inbound and outbound processing in the SAP S/4HANA environment for communication with the TIBCO EBX software interface
- Distributed classes, characteristics, and values between TIBCO BusinessWorks and SAP S/4HANA and customized the inbound processing
- Documented the technical components
Siegfried-Thor Bolz
Last position:
AI Solutions Architect & Developer at E-Commerce
- Integrated LangChain middleware between AEM and SAP PIM system
- Developed a FastAPI interface for system communication
- Implemented vector embeddings for semantic product search
- Evaluated LLM models (Vertex AI/Gemini, LM Studio, Hugging Face, OpenAI) for product analysis
- Developed an AEM component to display product recommendations and integrated the recommendation API into the AEM authoring process
- Designed and implemented Pinecone vector database for product embeddings
- Optimized response times and caching strategies
- Evaluated Vertex AI Studio for LLM testing and prompt workflows
- Implemented secure API routing and access control for AI components via FastAPI and gateway validation
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.
Discover over 15,000 top freelancers
Statistics of experts using Jakarta Server Pages
Aggregated from the professional profiles of matched freelancers.
Experience
23 years
Position duration
2.3 years
Positions per freelancer
14
Top business areas
Information Technology, Product Development, Quality Assurance
Top industries
Information Technology, Banking and Finance, Automotive
Certification focus areas
Information Technology, Product Development, Project Management
Bachelor's degree or higher
90%
Master's degree or higher
62%
Doctorate
10%
Certifications per freelancer
2
Most common languages
German, English, French
Speak two or more languages
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 Germany 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 Germany using Jakarta Server Pages
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
JSP basics
Jakarta Server Pages, often called JSP or JavaServer Pages, is a server-side view technology for Java web applications. It turns page templates into dynamic HTML at runtime. Teams use it where Java back ends still render pages directly instead of serving a separate frontend.
What it builds
- Server-rendered login, profile, and admin pages
- Form-heavy business screens with validation and session logic
- Views for intranets, portals, and Java enterprise apps
- Templates that combine HTML with Java tag libraries
JSP is common in long-lived systems that already run on Jakarta EE, Servlets, or older Java EE stacks. In Germany, it often appears in enterprise applications that need careful maintenance rather than a full rewrite.
Ecosystem and tools
Strong JSP work depends on more than page markup. Professionals need Servlets, JSTL, tag files, EL, and a clear understanding of request flow, session state, and container behavior. They also work with Tomcat, Jetty, or full application servers and keep an eye on the move from Java EE to Jakarta EE.
When companies bring help
Companies usually ask for freelance expertise when a JSP codebase is stable but hard to change. Typical reasons include new page work, bug fixing, template cleanup, migration from JavaServer Pages to Jakarta Server Pages, or separating view logic from business logic.
What strong specialists do
A strong JSP professional writes clean templates, keeps logic out of the page layer, and understands how controllers, tags, and beans interact. They spot brittle scripts, improve readability, and protect the application from duplicated markup and hard-to-test views.
Signs you need JSP expertise
- Pages mix too much Java code with HTML
- Tag libraries or custom tags are hard to maintain
- Older Java web screens break during upgrades
- The team needs help after a move to Jakarta EE
For German companies, remote collaboration is common because JSP work is often tied to source code, tests, and deployment scripts rather than office presence. On-site support can still help during handover, discovery, or work on sensitive internal systems.
Frequently asked questions
Not sure where to start with Jakarta Server Pages? These answers cover the essentials.
Jakarta Server Pages is used to render server-side web pages in Java applications. It fits screens that depend on session data, form handling, and reusable view fragments, especially in Jakarta EE or older Java web stacks.
Yes. JSP was widely known as JavaServer Pages before the Jakarta EE rename, and many teams still use both names. Searchers may also see the full Jakarta Server Pages name in newer documentation and migration work.
JSP is closer to classic server-rendered Java web development than to modern client-side frameworks. Compared with Thymeleaf, it often appears in older enterprise systems; compared with a separate frontend, it keeps rendering on the Java server side. The right choice depends on the existing stack and how much of the application already uses Java views.
A strong JSP specialist usually understands Servlets, JSTL, EL, custom tag libraries, and application servers such as Tomcat or Jetty. Knowledge of Jakarta EE, session handling, and basic HTML, CSS, and JavaScript also helps when pages need both structure and behavior.
Most JSP work benefits from someone who has handled real production pages, not just tutorials. The difficulty is often in legacy structure, container behavior, and integration with existing Java code, so a specialist should be able to trace requests, debug templates, and refactor safely.
Yes, JSP work is often well suited to remote collaboration because it centers on code, reviews, tests, and deployment environments. For companies in Germany, remote work is common for maintenance and feature changes, while on-site time may help with access, workshops, or sensitive internal systems.
Look for someone who can explain page flow clearly, separate presentation from logic, and improve a template without breaking the surrounding Java application. A good JSP expert should show examples of cleaner tag usage, safer form handling, and thoughtful migration or maintenance decisions.
The main issues in JavaServer Pages migrations are package changes, container differences, and code that relies on old page patterns. A careful specialist checks tag libraries, servlet mappings, and view logic before changing the runtime, especially when moving toward Jakarta EE.
The average hourly rate of freelancers in Germany who have used Jakarta Server Pages (JSP) in their recent projects is 97 €, which corresponds to a daily rate of about 779 € based on an 8-hour working day.
Of the freelancers in Germany who have used Jakarta Server Pages (JSP) in their recent projects, 90% hold at least a Bachelor's degree, 62% hold at least a Master's degree, and 10% hold a doctorate.
On average, freelancers in Germany who have used Jakarta Server Pages (JSP) in their recent projects have 23 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 Jakarta Server Pages (JSP) in their recent projects are German (100%), English (96%), and French (21%).
The most common industries among freelancers in Germany who have used Jakarta Server Pages (JSP) in their recent projects are Information Technology (95%), Banking and Finance (63%), and Automotive (42%).
The most common business areas among freelancers in Germany who have used Jakarta Server Pages (JSP) in their recent projects are Information Technology (100%), Product Development (92%), and Quality Assurance (60%).
Main locations of FRATCH Experts, who have recently used Jakarta Server Pages
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 
Munich 
Cologne Request a free demo
Get in touch with the FRATCH team and we will get back to you within 4 hours.
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Philipp Thomaschewski
FRATCH CEO
