Liquibase Experts in Hamburg
in minutes from over 15,000 CVs with the power of AIHire experts who manage database change logs, version-controlled schema updates, and safe rollbacks with Liquibase. They fit into Java, Spring, and cloud release flows, and FRATCH matches you fast and precisely with vetted, available freelancers.
Meet FRATCH Experts in Hamburg, who have recently used Liquibase
Niko Schmuck
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.
Marcus Bonfigt
Last position:
Data Engineer at Deutsche Bahn AG via Scoore GmbH
- Development of ETL pipelines with Talend (7/ Enterprise)
- Development/adaptation of database schema/database functions (PostgreSQL)
- Development of GIT CI pipelines
Technologies: Talend Enterprise, Git, PostgreSQL, Dbeaver, SQL, PL-SQL, Liquibase
Rainer Diekmann
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
Oliver Langer
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
Florian Fittkau
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
Johannes Erchen
Last position:
Libri GmbH
- Operation and further development of the inventory system for booksellers (Quimus). It is an in-house development by Libri that is sold to customers as Software as a Service. The software is developed in an agile way by two developer teams (about 5 developers each). The software consists of around 25 Java microservices that mainly communicate via messaging and share a common Angular frontend. The application runs on Kubernetes in AWS.
- Technologies used: Java 17 & 21, Spring Boot 2 & 3, Hibernate, MySQL, Spring Cloud AWS, Lombok, AWS SQS, AWS SNS, AWS RDS, AWS S3, DynamoDB, Kubernetes, Docker, OpenSearch, Hibernate Search, Liquibase, Gradle, Terraform, Helm, GitLab CI, Keycloak OAuth2, TypeScript, Angular
- My focus until December 2023: Connecting additional POS systems to the inventory system. Connecting the data warehouse for report display. Extending existing features (goods receipts, invoicing, item management, ...). Operations and DevOps tasks.
- Focus from January 2024: Extracting the product search from the inventory system into a global service to use in other applications. Integrating the product search into the booksellers' online shops (also run by Libri). Importing and providing digital items in the product search.
Discover over 15,000 top freelancers
Statistics of experts using Liquibase
Aggregated from the professional profiles of matched freelancers.
Experience
24 years (Germany: 20 years)
Position duration
1.5 years (Germany: 1.9 years)
Positions per freelancer
22 (Germany: 14)
Top business areas
Business Intelligence, Information Technology, Product Development
Top industries
Information Technology, Retail, Banking and Finance
Certification focus areas
Information Technology, Product Development, Operations
Bachelor's degree or higher
67% (Germany: 89%)
Master's degree or higher
50% (Germany: 63%)
Doctorate
17% (Germany: 9%)
Certifications per freelancer
2 (Germany: 4)
Most common languages
German, English, French
Speak two or more languages
83% (Germany: 93%)
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 Hamburg 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 Hamburg using Liquibase
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
Database change control
Liquibase is used to manage database changes as code. It helps teams keep schema updates, data fixes, and rollbacks in a controlled changelog so releases stay reproducible. It is common in Java and Spring-based systems, but it also works across many database stacks.
Typical work
- Create and maintain changelog files
- Define changesets for schema and reference data
- Plan rollback and release steps
- Integrate checks into CI/CD pipelines
- Support safe deployments across environments
Tooling and formats
Liquibase supports XML, YAML, JSON, and SQL-based changelogs. Strong specialists know how to structure contexts, labels, preconditions, and change tracking so teams can move fast without losing control. They also understand how Liquibase fits with Maven, Gradle, Docker, and cloud release pipelines.
When to bring help
Companies often bring in freelance Liquibase experts when database releases become risky, manual, or inconsistent. That is common during migrations, multi-environment rollouts, or when teams in Hamburg need short-term support for delivery work that must stay aligned with existing engineering standards. The best specialists reduce release friction and make change history clear.
Skills that matter
A strong Liquibase professional understands database design, SQL, version control, and deployment workflows. They also know how to write clean change sets, handle rollbacks, and avoid conflicts between application code and schema changes. In practice, they work well with backend specialists, DevOps teams, and release owners.
What good looks like
Good Liquibase work is boring in the best way. Changes are readable, repeatable, and easy to review. A strong specialist documents decisions, keeps migrations small, and makes sure every environment can be updated in a predictable order without surprises.
Frequently asked questions
Questions about Liquibase? Start with the answers below.
Liquibase is used to version and deliver database changes in a controlled way. Teams use it for schema updates, data changes, and rollback scripts so releases stay repeatable across development, test, and production environments. It is especially useful when several specialists touch the same database over time.
Liquibase is usually chosen when teams want richer change tracking, more structured changelog options, and stronger support for complex release flows. Flyway is often simpler and more SQL-focused, while Liquibase gives more flexibility for mixed formats and conditional logic. The better choice depends on how complex the database work is.
A strong Liquibase specialist should be comfortable with SQL, database design, version control, and CI/CD pipelines. Java and Spring knowledge are often useful because many projects use Liquibase alongside application releases. Understanding how to review migrations and plan rollbacks matters just as much as tool knowledge.
A Liquibase freelancer is often a good fit when schema changes are slowing releases, migrations have become error-prone, or the team needs help standardizing changelog practices. Outside help also makes sense during platform migrations or when internal specialists are busy with delivery work. The goal is safer database change management, not just more scripts.
Yes, Liquibase work is well suited to remote collaboration because most tasks happen in source control, pull requests, and release pipelines. For Hamburg teams, a mix of remote and on-site work can help when database access, release planning, or stakeholder alignment needs direct discussion. Clear communication is more important than being in the same room every day.
A Liquibase project can be small, but it still needs someone who understands how changes flow from development to production. Simple changelogs can be handled quickly, while larger systems need a specialist who can manage dependencies, ordering, and rollback planning. The more systems and environments involved, the more valuable proven experience becomes.
Good Liquibase work is easy to review, easy to repeat, and easy to roll back. Look for clear changelog structure, small changesets, sensible naming, and use of preconditions where needed. A strong specialist also tests migrations across environments, not just on a local database.
No, Liquibase is common in Java projects, but it is not limited to them. It can be used with many database-backed applications, including services built with other stacks that need disciplined schema change control. The key requirement is a team that wants database changes tracked like code.
The average hourly rate of freelancers in Hamburg, Germany who have used Liquibase in their recent projects is 100 €, which corresponds to a daily rate of about 797 € based on an 8-hour working day.
Of the freelancers in Hamburg, Germany who have used Liquibase in their recent projects, 67% hold at least a Bachelor's degree, 50% hold at least a Master's degree, and 17% hold a doctorate.
On average, freelancers in Hamburg, Germany who have used Liquibase in their recent projects have 24 years of professional experience, with a single engagement typically lasting around 1.5 years.
The most common languages among freelancers in Hamburg, Germany who have used Liquibase in their recent projects are German (100%), English (83%), and French (17%).
The most common industries among freelancers in Hamburg, Germany who have used Liquibase in their recent projects are Information Technology (100%), Retail (83%), and Banking and Finance (67%).
The most common business areas among freelancers in Hamburg, Germany who have used Liquibase in their recent projects are Business Intelligence (100%), Information Technology (100%), and Product Development (100%).
Main locations of FRATCH Experts, who have recently used Liquibase
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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