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Java Experts in Bremen

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Hire experts who deliver enterprise applications, Spring Boot services and secure API integrations with Java. FRATCH connects you quickly with vetted, available freelancers whose skills match your technical requirements and project context.

Meet FRATCH Experts in Bremen, who have recently used Java

Verified expert

Danny-Michael B.

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Senior AI Engineer

Bremen
Danny-Michael B.

Last position:

Senior AI Engineer at Just Add AI GmbH

  • Automatic detection of content on various documents
  • Recommendation Engine
  • Dynamic Pricing
Verified expert

Eric K.

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Enterprise Software Architect | Odoo & Systems Integration | On-Premise AI | Embedded & IoT

Bremen
Eric K.

Last position:

Digital roadside assistance platform at SABK

Verified expert

Sven R.

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Software Developer - Building Automation

Bremen
Sven R.

Last position:

Software Developer - Building Automation

  • Test controller unit
  • Implement test environment
  • Implement virtual nodes
  • Commission CANopen network
  • Define and automate test cases
  • Design and implement LSS state machine
  • Implement data exchange between tools
  • Port requirements to vTestStudio in XML format
  • Products: CANoe, vTestStudio, Playwright, Cypress, Robot, .NET
  • Knowledge: CAPL, C++, CANopen, concept development, Python, JavaScript, XML, C#
Verified expert

Kasem R.

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Computer Science Student @ Bremerhaven University | Software Development · Project Developer & AI Enthusiast · Multilingual

Bremen
Kasem R.

Last position:

AI Automation Data at hmmh AG

  • Independently developed an AI-supported MVP to automate content processes
  • Created and optimized content with a focus on SEO and quality
  • Maintained web and product content in CMS/templates
  • Used automation and AI solutions to create and optimize content
  • Analyzed and continuously improved content
  • Created and edited images with Photoshop
  • Developed scripts in Python, HTML, CSS, JavaScript to process and optimize content data
Verified expert

Timo K.

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Senior Fullstack Developer

Bremen
Timo K.

Last position:

Senior Fullstack Developer

  • Lead Developer / Tech Lead in a large banking group for a complete redevelopment of payment systems
  • Rebuilding payment processing in stream processing
  • Development and design of cross-border payment stream processing based on Kafka and Kafka Streams
  • Development of different input formats for the business team using Drools rules to dynamically adjust validation rules
  • Evaluation and comparison of different public cloud providers regarding the databases they offer
  • Technologies & Tools: Java 21, Kotlin, Spring Boot, Kafka, Kubernetes, Azure, TDD, JEE, REST, Angular, Spark, Google Cloud, SCDF, PostgreSQL, Drools, Git, S3, MongoDB
Verified expert

Dimitri S.

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Fullstack Developer, Integrator

Bremen
Dimitri S.

Last position:

Fullstack Developer, Integrator at Generali Deutschland Versicherung AG

  • Developing automated build and deployment processes for the exclusive front office systems
  • Integrating the front office systems into the IT infrastructure
  • Developing innovative, user-friendly sales software for financial advisors
  • Ensuring quality and flexibility through automation and working with CI/CD
  • Working according to DevOps principles
  • Operating the software together as a team in the AWS cloud and Azure cloud
  • Deploying software artifacts to testing and production environments
  • Maintaining the test environments
  • Performing error analysis and providing information for further root cause analysis
  • Maintaining and supporting the build pipeline
  • Supporting load testing
  • Coordinating the batch execution schedule with batch automation
  • Creating concepts to further develop the software packaging process
  • Building and delivering components to partners
  • Developing GitLab and Jenkins pipelines for building, deploying and integrating components
  • Automating processes with Spring Boot applications with a GUI (Thymeleaf, Angular 19)
  • Developing RESTful Spring Boot applications with Kotlin and Angular 19, JDBC and REST accesses, data exchange via SFTP, XML (JAXB)
  • Designing components using Domain-Driven Design (DDD)
  • Replacing cmd and bash scripts with Spring Boot applications with a GUI
  • Replacing Java 8 applications with JSP by Spring Boot 3 applications (Thymeleaf, Angular)
  • Implementing frontend and backend authentication via Keycloak
  • Writing JUnit tests with Mockito
  • Increasing code coverage for SonarQube analysis
Verified expert

Nandini V.

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Senior Software Developer

Bremen
Nandini V.

Last position:

Senior Software Developer at Capgemini Technology Services Limited

  • Designed and implemented secure backend services using Java, Spring Boot, and Hibernate, following microservice principles and RESTful standards.
  • Implemented GraphQL-driven REST APIs to streamline backend services in a Gradle and Maven environment.
  • Implemented OAuth2-based authentication and authorization mechanisms to secure RESTful APIs in Spring Boot applications.
Verified expert

Philipp K.

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Frontend Architect

Grasberg
Philipp K.

Last position:

Crisis Infrastructure

  • Working on a project related to redundant crisis infrastructure
  • Used tech: TypeScript, Node, Java, MongoDB, Kafka
Verified expert

Viktor L.

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SAP Developer / Consultant

Hambergen
Viktor L.

Last position:

SAP Developer / Consultant at Selbstständiger

  • Work in various areas
Verified expert

Hans G.

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Deal with Green AR

Bremen
Hans G.

Last position:

Deal with Green AR

  • Development of an e-learning platform as an app for Android and iOS
  • Use of Unity to promote environmentally conscious interaction with nature for teachers and students

Discover over 15,000 top freelancers

Statistics of experts using Java

Aggregated from the professional profiles of matched freelancers.

Experience

19 years

Java experts in Bremen have 19 years of professional experience on average.

Position duration

2.1 years (Germany: 3 years)

Java experts in Bremen stay in a single position for 2.1 years on average. It is 0.9 years less than in Germany, where the average stands at 3 years.

Positions per freelancer

17 (Germany: 13)

Java experts in Bremen have completed 17 positions on average over the course of their careers. It is 4 more than in Germany, where the average stands at 13.

Top business areas

Information Technology, Product Development, Project Management

Java experts in Bremen have gathered most of their hands-on project experience in Information Technology, Product Development, and Project Management.

Top industries

Information Technology, Retail, Automotive

Java experts in Bremen are most in demand in Information Technology, Retail, and Automotive.

Certification focus areas

Information Technology, Product Development, Quality Assurance

Java experts in Bremen earn their certifications most often in Information Technology, Product Development, and Quality Assurance.

Bachelor's degree or higher

80% (Germany: 91%)

80% of Java experts in Bremen hold at least a Bachelor's degree. It is 11% lower than in Germany, where the rate stands at 91%.

Master's degree or higher

60% (Germany: 56%)

60% of Java experts in Bremen hold at least a Master's degree. It is 4% higher than in Germany, where the rate stands at 56%.

Certifications per freelancer

2 (Germany: 3)

Java experts in Bremen hold 2 professional certifications on average. It is 1 fewer than in Germany, where the average stands at 3.

Most common languages

German, English, Spanish

Java experts in Bremen most often speak German, English, and Spanish.

Speak two or more languages

100% (Germany: 97%)

100% of Java experts in Bremen speak two or more languages. It is 3% higher than in Germany, where the rate stands at 97%.

Based on our profile pool as of 29 Oct 2026.

Daily rate distribution

0% 25% 50% 75% 100%
9% of Java experts in Bremen charge less than €320 per day.
27% of Java experts in Bremen charge between €480 and €640 per day.
27% of Java experts in Bremen charge between €640 and €800 per day.
27% of Java experts in Bremen charge between €800 and €960 per day.
9% of Java experts in Bremen charge €960 or more per day.
<€320 €480-​640 €640-​800 €800-​960 €960+

The chart shows how the daily rates of experts in this technology in Bremen 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.

Discover detailed Java rate benchmarks:

Explore rate insights

Average rates of experts in Bremen using Java

Rates are based on recent contracts and do not include FRATCH margin.

800
600
400
200
Rate comparison chart
Daily rate avg. 708 €
Germany avg. 767 €

The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.

800
600
400
200
Rate comparison chart
Median rate 720 €
Germany median 792 €

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.

Java 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 (50%)
  • Automotive (42%)
  • Transportation (42%)
  • Manufacturing (42%)
  • Media and Entertainment (42%)
  • Aerospace and Defense (33%)
  • Energy (33%)

Please note that freelancers can work across multiple industries, so percentages overlap.

About the technology

Java foundations

Java is a statically typed, object-oriented language and a mature platform for building dependable software. It runs through the Java Virtual Machine, which supports portability across operating systems and provides extensive libraries for application development. Teams use Java for backend services, business systems, APIs, desktop tools and data-intensive applications.

Applications and systems

Java is common where reliability, security and long-term maintainability matter. It supports transaction-heavy services, customer portals, internal workflows, financial systems, logistics software and connected business applications. In Bremen, companies across logistics, manufacturing, trade and other industrial sectors may use Java as part of established digital infrastructure.

  • Enterprise web applications and backend services
  • REST and event-driven APIs
  • Distributed systems and integration layers
  • Batch processing and data services

Ecosystem and tooling

The Java ecosystem includes Spring and Spring Boot for application services, Jakarta EE for enterprise components and Hibernate for persistence. Specialists also work with Maven or Gradle, JUnit, Mockito, Docker, Kubernetes and common relational or NoSQL databases. Familiarity with messaging tools, observability and cloud services is often important for production delivery.

When expertise helps

Companies bring in freelance Java professionals when a platform needs new services, a legacy system needs careful modernization or delivery capacity is limited. External expertise can also support migration to Spring Boot, API design, performance analysis, test automation and production readiness. Clear interfaces and documentation help remote teams collaborate effectively with local stakeholders in Bremen.

  • A monolith is being split into maintainable services
  • Release quality or test coverage needs improvement
  • Integrations must connect older and newer systems
  • A short-term specialist is needed for a critical delivery

Strong professional skills

Strong Java specialists understand language fundamentals as well as the design choices around them. They write readable, tested code; manage concurrency carefully; handle errors consistently; and consider security, performance and operational support from the start. They can explain trade-offs between a simple modular service, a larger enterprise framework and a distributed architecture.

Assessing the right fit

Review experience with the specific Java version, framework and deployment model used by the project. Ask for examples of systems with comparable reliability, integration and data requirements, then discuss testing, monitoring, code review and release practices. A good professional asks precise questions about domain rules, existing constraints and the result the team needs.

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Frequently asked questions

Questions about Java? Start with the answers below.

Java is used for backend services, enterprise applications, APIs, financial systems, logistics software and data-processing solutions. Its mature libraries, strong typing and broad runtime support suit systems that must remain stable and maintainable over time.

Java is often weighed against C#, Go, Kotlin, JavaScript runtimes and Python. The right choice depends on the existing ecosystem, performance needs, team skills, delivery goals and the level of long-term structure required.

A strong Java specialist may also work with Spring Boot, Jakarta EE, SQL, Hibernate, REST, messaging systems and automated testing. Experience with Docker, Kubernetes, cloud infrastructure, monitoring and CI/CD is valuable when the work reaches production.

The required depth depends on the system’s risk and complexity, not only its size. A straightforward service may need solid API and testing skills, while a distributed or regulated system calls for proven expertise in architecture, security, operations and safe change management.

Yes, Java work is well suited to remote collaboration when repositories, environments and communication practices are organized. Teams in Bremen should agree on working hours, documentation, review routines and whether occasional on-site workshops or German-language communication are needed.

Java projects often use Spring Boot when teams want convention-based configuration, production-ready service features and straightforward integration with databases or messaging. It is useful for new services and for gradually modernizing established applications, but the existing architecture should guide the decision.

Ask how the specialist approaches tests, observability, error handling, security and maintainability. Good Java work is readable, reviewed and supported by clear design reasoning rather than being judged only by whether a feature runs.

A Java freelancer should clarify the runtime and framework versions, build system, deployment model, database, testing expectations and ownership of technical decisions. It is also important to understand legacy constraints, release practices, team interfaces and the business outcome behind the requested work.

The average hourly rate of freelancers in Bremen, Germany who have used Java in their recent projects is 89 €, which corresponds to a daily rate of about 708 € based on an 8-hour working day.

Of the freelancers in Bremen, Germany who have used Java in their recent projects, 80% hold at least a Bachelor's degree and 60% hold at least a Master's degree.

On average, freelancers in Bremen, Germany who have used Java in their recent projects have 19 years of professional experience, with a single engagement typically lasting around 2.1 years.

The most common languages among freelancers in Bremen, Germany who have used Java in their recent projects are German (100%), English (100%), and Spanish (25%).

The most common industries among freelancers in Bremen, Germany who have used Java in their recent projects are Information Technology (100%), Retail (50%), and Automotive (42%).

The most common business areas among freelancers in Bremen, Germany who have used Java in their recent projects are Information Technology (100%), Product Development (92%), and Project Management (67%).

Main locations of FRATCH Experts, who have recently used Java

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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