Apache Maven Experts in Hamburg
matched in minutes by AIHire experts who structure Java builds, manage dependency lifecycles and maintain multi-module repositories with Apache Maven, delivering dependable releases through precise matching with vetted, available freelancers.
Meet FRATCH Experts in Hamburg, who have recently used Apache Maven
Niko S.
Last position:
Developing Architect, Technical Lead "gridlytics" at HH Energienetze
- Building a data integration platform for high, medium, and low voltage assets for contextual analysis of time series with master data from the SCADA control system (IEC 60870 104), INIS, and SAP.
- Responsibility for the architecture and implementation of the solution, as well as sparring partner for the Product Owner.
- Use of Kotlin, Spring Boot, Maven, TimescaleDB, PostgreSQL, liquibase, Elements IoT, Docker, Kubernetes, Grafana, Python, jupyter, and various API gateways.
Rainer D.
Last position:
Enterprise Architecture Management / Backend Software Developer at Polizei Hamburg
- Several projects in a police context
- Model and document police procedures/projects with Archimate (as-is/to-be) in the context of P20 (BKA)
- Create software architectures with microservices
- POC development with Springboot/Docker/Kubernetes
- Project size: 10 people
- Enterprise architecture management with Togaf and Archimate
- Backend software development Springboot
- DevOps with Kubernetes
- Implemented using: Java 17/21, Springboot 3, P20 architecture, Togaf, Archimate
Alex O.
Last position:
Contractor at Telefonica Germany GmbH & Co. OHG
- Data-analysis, Preparation, gathering and coordination of business requirements for retrieval of monthly- and long term (CLV – relevant) cost- and revenue-components per contract for a customer–base–grouping project (HUB–Project) for B2C-Postpaid-Controlling
- Concept and Implementation of cost- and revenue-KPIs calculation and corresponding CLV–reports (Oracle, Perl, SVN, MS SQL Server, MS Power BI, Serviceware Performance Analytics)
- Operational support of the HUB-Project – various ad-hoc reports, deployments, job-scheduling etc. (Oracle, SVN, BICSuite–Scheduler, DWSODA etc.)
- Analysis, implementation, retrieval and reporting of various physical and financial KPIs for B2P-Prepaid Business on an existing data-mart (Oracle, Perl)
Rolf G.
Last position:
Developer & Designer at Sicherheitsbehörden
- Migration of a case management system with numerous interfaces to other systems from Spring and Activiti to a Java JEE application
- Further development toward a cloud application
- Consulting, development, requirements analysis, specification and design
- Coordination with upstream and downstream systems
- Data modeling, programming and implementation
- Support with code reviews and ensuring clean code in the PL/SQL context
- Documentation in Confluence
- Troubleshooting of PL/SQL applications, including log analysis, session tracing and performance profiling
- Optimization and tuning measures in the PL/SQL environment
- Knowledge transfer and onboarding of new employees
- Use of Jira for task management, progress tracking and sprint planning
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
Daniel S.
Last position:
Senior Software Engineer at energielenker solutions GmbH
- Designed and implemented a Python-based ETL pipeline with the Dagster framework to transform raw energy data from heterogeneous sources using InfluxDB and visualizations in Grafana
- Defined time-based and dependency-based jobs
- Deployed to managed Kubernetes clusters using Helm
- Integrated InfluxDB Cloud
- Prepared data for use in Grafana, including cleaning, normalization, and time-based resampling in Python
- Developed dashboards and visualizations in Grafana
- Developed unit tests with mocking using pytest
- Set up a CI/CD pipeline in GitLab
Technologies: Python, Dagster, InfluxDB, Grafana, pandas, pytest, REST, CI/CD, GitLab, Container, Kubernetes, Helm, Docker, Cloud
Anastasiia K.
Last position:
Senior Test Automation Engineer at E.ON
- Reviewing functional and technical requirements from a testing perspective
- Creating test cases and automated tests to validate requirements
- Performing manual and automated functional, end-to-end, and regression tests
- Documenting test results and tracking defects
- Using models like GPT-4, BERT, and Hugging Face Transformers for automated test case generation, analysis of test results, and improving test coverage, including bias checks and security reviews
- Techs: MS Office, Jira, Zephyr, Confluence, Tosca, stakeholder communication, Agile, Kanban, Scrum, OpenAI API, Hugging Face, PyTorch, LangChain.
Rutger B.
Last position:
Partner & Managing Director at AI.IMPACT
- Building an AI & Data Consultancy Practice with the goal of helping European companies adopt Artificial Intelligence and modern data platforms
- End-to-end further development of a production system using modified coding agents (OpenCode). Tech stack: Kubernetes, Argo, Keycloak, Typescript, Grafana, GitOps, DevOps, Playwright
- Internal research project on the use of coding agents in the field of mathematical logic for creating formal models. Use of Cursor IDE and Codex, Codex CLI. Architecture design, quality control and refactoring, as well as writing code and tests. Repository (open source) available pre-launch
- Research on the role of mathematical logic as a formal language that connects IT and AI with business processes
- Project lead for collecting and deploying parking recommendations for rail vehicles with significant savings potential based on real-time data in a mobility and transport company
- Project lead for collecting and distributing process measurement points for real-time control in a mobility and transport company
- Deputy application owner for an app used for communication in the dispatching and provision of rail vehicles
Jonas T.
Last position:
IT Consultant at Bechtle AG
- Prequalified 200 demands within five weeks on the multi-cloud-commerce platform bechtle-clouds.com with three external consultants
- Served a dual role as project manager and requirements engineer for various enhancements
- Domain topics: reimplementation of Entra ID Sync, improvement of support processes, optimizations in the product catalog
- Demand and project management in ServiceNow
- Refinement of epics and stories with internal teams and external service providers
- Management of the external international service provider
Sridhar H.
Last position:
SAP CX Consultant at Anonymous
- Stack: SAP Commerce 2011 (B2C).
- Migrating the data from Stibo system to SAP Commerce Cloud.
- Mapping the data from Stibo system to SAP Commerce Cloud.
- Integrating hot folders to support multiple countries and languages.
- Integrating validation tools for migrated data and generating validation reports.
Paul K.
Last position:
Senior Flutter Developer at Elea.health
- Further development of a complex laboratory information system
- Development of new features including design
- Close collaboration with company leadership
- Embedded in a top team with consistently high performance under time pressure
- Agile approach, Kanban
Oliver L.
Last position:
Developer, Architect at libri GmbH
- Role: Developer, Architect
- Technologies: java, typescript, golang, spring (boot, web, security, data), Angular, AWS (OpenSearch, Aurora, SNS/SQS, CloudWatch, EC2, IAM), Kubernetes, Terraform, Helm, OAuth, Keycloak, CI/CD, gradlew, Liquibase, Test Driven Development, shell scripting
Marcel S.
Last position:
Lead Developer / Software Architect at RezeptprĂĽfstelle Duderstadt GmbH
Responsible for the new development of billing and auditing software for prescriptions (prescriptions) to fully check and evaluate e-prescriptions for correctness (content, billing)
The system consists of several contexts that run as services (Docker containers):
Checking and processing data deliveries via FTP and email
Managing invoices, clearings, advance payments and deductions
Managing and running audit rules and audit folders
Evaluations based on Metabase
Developer Stack: Kotlin, Vue 3 / Vuetify 3, ANTLR, Spring Boot 3, REST API, Gradle, Docker, GitLab, PostgreSQL, Kafka, Keycloak, Scrum, Grafana, Loki, Testcontainers, Prometheus
Florian F.
Last position:
Solution Architect with Developer Focus at SymFinIT Solutions GmbH
- Further development of a finance layer for subscription and one-time purchase billing and accounting.
- Technologies: Kotlin, AWS (SQS, S3, ElastiCache, Aurora), React, TypeScript, Coroutines, IntelliJ IDEA, Spring (Boot, Data, WebFlux), JUnit, Testcontainers, Cucumber, Liquibase, PostgreSQL, Webservices (REST), R2DBC, OpenAPI 3, Gradle, GIT, Docker, Netty, GitHub Actions, Jira/Confluence, arc42
Andreas S.
Last position:
Lead Developer at Software
- Extended the document management system with a standard CMIS (Content Management Interoperability Services) interface
- Implemented CMIS core services like navigation, access rights, search, CRUD operations, and versioning in Java
- Implemented based on RESTful / OpenAPI services
- Delivered as a fat-jar and native container image
- Deployed on-premises and serverlessly as an Azure Container Application using Terraform
- Improved team autonomy through infrastructure engineering and short feedback loops
- Established observability with OpenTelemetry, Azure Monitor, and Azure Logic Apps
- Introduced Terraform and trunk-based development processes
- Ensured quality with BDD tests in C# using SpecFlow and Testcontainers
- Created Azure DevOps pipeline integration tests
- Introduced cloud deployment processes
- Trained staff in cloud and Terraform
Discover over 15,000 top freelancers
Statistics of experts using Apache Maven
Aggregated from the professional profiles of matched freelancers.
Experience
25 years (Germany: 20 years)
Position duration
2.3 years (Germany: 1.9 years)
Positions per freelancer
18 (Germany: 14)
Top business areas
Information Technology, Product Development, Project Management
Top industries
Information Technology, Retail, Banking and Finance
Certification focus areas
Information Technology, Product Development, Project Management
Bachelor's degree or higher
88% (Germany: 93%)
Master's degree or higher
47% (Germany: 56%)
Doctorate
18% (Germany: 7%)
Certifications per freelancer
2 (Germany: 3)
Most common languages
German, English, French
Speak two or more languages
95% (Germany: 97%)
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 Hamburg 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 Hamburg using Apache Maven
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.
Apache Maven 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 (64%)
- Banking and Finance (55%)
- Transportation (50%)
- Professional Services (45%)
- Energy (41%)
- Healthcare (41%)
- Automotive (36%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
Build foundation
Apache Maven is a build automation and project management tool used widely across the Java ecosystem. It describes projects through a pom.xml file, resolves dependencies, runs tests and packages applications in a consistent, repeatable process. Its convention-based approach gives teams a shared structure for local work and continuous integration.
Delivery use cases
Maven supports the full path from source code to a versioned artifact. Companies use it for:
- Compiling Java applications and libraries
- Running unit, integration and quality checks
- Packaging JAR, WAR and other release artifacts
- Publishing components to artifact repositories
- Building multi-module enterprise systems
Ecosystem and tooling
Strong Maven specialists understand the Apache Maven lifecycle, standard plugins and custom plugin configuration. They work with repositories such as Maven Central and private stores including Nexus or Artifactory. Their wider toolkit may include Java, Spring, Jakarta EE, Git, Docker and CI systems such as Jenkins, GitHub Actions or GitLab CI.
When expertise matters
Freelance expertise helps when builds have become slow, fragile or difficult to reproduce. A specialist can migrate legacy project structures, rationalize dependency trees, create parent and child POMs, and make release processes safer. This is useful during platform modernization, Java upgrades, repository changes or the introduction of stronger supply-chain controls.
Working in Hamburg
Hamburg companies in logistics, commerce, finance and software often rely on Java services that must build and release reliably. Local professionals can support workshops and on-site collaboration, while remote work suits repository reviews, build fixes and pipeline improvements. Clear technical English is common; German may help when work involves local teams and stakeholders.
Quality signals
The strongest professionals look beyond making a build pass once. They explain lifecycle phases, dependency mediation, plugin versions and repository policies clearly, then document decisions for the team. They also test builds in clean environments, reduce unnecessary coupling and connect Maven configuration with secure, observable release pipelines.
Frequently asked questions
Everything clients usually want to know about Apache Maven, in one place.
Apache Maven automates builds and manages project dependencies for Java applications and libraries. It compiles source code, runs tests, packages artifacts and supports publishing them to shared repositories.
Apache Maven uses a convention-based project model and declarative POM files, which can make builds predictable and easy to standardize. Gradle offers a more programmable model and can provide greater flexibility, so the choice depends on build complexity, team preferences and existing ecosystem investments.
A strong Apache Maven specialist usually also understands Java, dependency management, Git and continuous integration. Experience with Spring or Jakarta EE, Docker, artifact repositories and test tooling is valuable when Maven is part of a larger delivery system.
The required Apache Maven experience depends on the assignment. A simple POM adjustment may need focused build knowledge, while restructuring a multi-module repository or securing release pipelines calls for proven work with lifecycles, plugins, dependency conflicts and repository policies.
Yes. Apache Maven work is well suited to remote collaboration because configuration, logs and pipeline definitions can be reviewed in shared repositories. On-site sessions in Hamburg can still help when teams need workshops around build standards, release ownership or legacy migration.
Ask how the Apache Maven specialist would diagnose dependency convergence, reproduce a clean build and separate project configuration from CI configuration. A good professional discusses lifecycle behavior, plugin management, repository security and documentation rather than only proposing a quick build fix.
Apache Maven supports multi-module projects through parent and child POMs, shared properties and reactor builds. A specialist should be able to define module boundaries, control inheritance and keep module dependencies understandable as the codebase grows.
Common Apache Maven problems include conflicting transitive dependencies, inconsistent plugin versions, slow builds and repositories that are difficult to trust or reproduce. Professionals can trace the dependency tree, simplify POM files, tune lifecycle execution and establish a stable artifact and release process.
The average hourly rate of freelancers in Hamburg, Germany who have used Apache Maven in their recent projects is 99 €, which corresponds to a daily rate of about 795 € based on an 8-hour working day.
Of the freelancers in Hamburg, Germany who have used Apache Maven in their recent projects, 88% hold at least a Bachelor's degree, 47% hold at least a Master's degree, and 18% hold a doctorate.
On average, freelancers in Hamburg, Germany who have used Apache Maven in their recent projects have 25 years of professional experience, with a single engagement typically lasting around 2.3 years.
The most common languages among freelancers in Hamburg, Germany who have used Apache Maven in their recent projects are German (100%), English (95%), and French (18%).
The most common industries among freelancers in Hamburg, Germany who have used Apache Maven in their recent projects are Information Technology (100%), Retail (64%), and Banking and Finance (55%).
The most common business areas among freelancers in Hamburg, Germany who have used Apache Maven in their recent projects are Information Technology (100%), Product Development (95%), and Project Management (68%).
Main locations of FRATCH Experts, who have recently used Apache Maven
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 
Frankfurt 
Stuttgart 
Dusseldorf 
Nuremberg Request a free demo
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Philipp Thomaschewski
FRATCH CEO
