Liquibase Experts in Frankfurt
for reliable database delivery, matched in minutes with vetted freelancersHire experts who manage versioned database changes, automate migration pipelines and integrate Liquibase with Spring Boot, Maven or CI/CD tools. FRATCH matches you quickly and precisely with vetted, available freelancers.
Meet FRATCH Experts in Frankfurt, who have recently used Liquibase
Ali A.
Last position:
Founder & Architect at Independent AI R&D
- Fully on-premises LLM document-examination platform for a compliance-critical banking domain: agentic LangGraph pipeline with deterministic verification, every AI judgment structured and source-anchored; ~960 automated tests, zero data egress
- GPU throughput engineering (quantized serving, speculative decoding, prefix caching): 9.5x extraction speed-up, 500+ multi-document case files per day on a single A100
- AI-native EDI/EDIFACT integration platform (~116k LOC Java 25 / Spring Boot 4, 1,900+ tests): LLM-drafted partner mappings machine-verified before go-live (DFDL conformance, field-coverage checks, dry runs), ~99.5% byte match on real customer files — replacing weeks of manual mapping per partner
Uday V.
Last position:
Senior Full Stack Java Developer & DevOps Engineer at Deutsche Börse (DBAG)
Project: SCS (Settlement / Clearing Services)
Settlement platform serving multiple trading and clearing venues — counterparty risk safeguarding, settlement volume reduction, central risk management, and post-trade anonymity.
Technologies: Java 17, Spring Boot 3, Microservices, Spring Data JPA, SonarQube, Fortify (SCST), Mockito, Jenkins, OpenShift, Maven, Podman, GitHub, JIRA, Liquibase, Swagger, AMQP, Apache Camel, Terraform, PostgreSQL, Instana, Graylog.
- Identified and remediated CVEs in third-party libraries using SCA tooling, strengthening the security posture of production components.
- Maintained 90% code coverage with SonarQube, improving code quality and reducing production defects.
- Enabled mTLS for database authentication and message broker connections, enforcing encrypted, certificate-validated communication.
- Designed and deployed microservices with asynchronous, REST-based communication between components.
- Optimized a high-volume REST API (~200K requests) by reducing response time from 3s to 2s (33% improvement), boosting throughput and reliability under production load.
- Automated build and continuous integration pipelines using Maven and Jenkins.
- Orchestrated containerized workloads on Podman/OpenShift and governed schema evolution with Liquibase, ensuring reliable, repeatable deployments across all environments.
- Optimized Java code and implemented EHCache-based caching, improving application performance.
- Streamlined release management by governing application images, JAR versions, and dependencies through DBAG Artifactory, ensuring version consistency and audit traceability across environments
Ulm P.
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.
Florian F.
Last position:
Senior Backend Developer at ING Deutschland AG
- Database design with Oracle DB, JPA and Flyway considering high performance requirements
- Analysis of multiple architecture drafts and identification of technical risks
- Design and implementation of various interfaces and integrations, especially REST APIs and Kafka topics
- Setup of Elasticsearch for monitoring and analyzing log data
- Establishment of an iterative work approach in the project team facing complex business requirements
Werner K.
Last position:
Test Coordinator, Designer and Engineer at IBM
- Testing the SekIDP and related components
- Test design, execution and automation, microservices, GitHub Enterprise, Eclipse, Katalon Test Platform, API Testing, Confluence 8, JIRA/Xray, Draw.io, Swagger/OpenAPI, Postman, Docker, Kubernetes, Podman, PuTTY, E-Health, Telematik, Gematik standards, EPA, E-Rezept, sektoraler IDP, encryption, XaDES, PaDES, DICOM, HL7, FHIR, IHE, ICD, SSO, SAML/Shibboleth, OAuth, smartcards, JWT, two factor authentication Android and iOS, Wireshark, BrowserStack, Cypress, gRPC, REST, SOAP, WS-Security, Linux Shell, PowerShell, SSH/SSL, Java, Kotlin, Cordova, Gradle, Groovy, Python, TypeScript
Adil S.
Last position:
Mobile/Backend Developer at Freelance
- Built a cross-platform mobile application using React Native that interacts with IoT devices via RESTful APIs
- Implemented state management with Redux and integrated IoT-specific components for smooth data visualization and device control
- Developed RESTful APIs using Node.js and Express, utilizing MongoDB for scalable data storage
- Facilitated secure communication between the mobile app and IoT devices, enabling device onboarding, status monitoring, and control commands
- Implemented real-time data synchronization and optimized data flow to minimize latency
Delly F.
Last position:
Dad of 2 daughters at Family
Discover over 15,000 top freelancers
Statistics of experts using Liquibase
Aggregated from the professional profiles of matched freelancers.
Experience
18 years (Germany: 20 years)
Position duration
1.9 years (Germany: 1.8 years)
Positions per freelancer
12 (Germany: 14)
Top business areas
Information Technology, Product Development, Quality Assurance
Top industries
Information Technology, Banking and Finance, Automotive
Certification focus areas
Information Technology, Operations, Project Management
Bachelor's degree or higher
86% (Germany: 89%)
Master's degree or higher
43% (Germany: 63%)
Certifications per freelancer
3 (Germany: 4)
Most common languages
German, English, French
Speak two or more languages
100% (Germany: 93%)
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 Frankfurt 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 Frankfurt 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 29 Oct 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
Liquibase 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%)
- Banking and Finance (71%)
- Automotive (43%)
- Healthcare (43%)
- Manufacturing (43%)
- Government and Administration (43%)
- Retail (43%)
- Telecommunication (43%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
Database change control
Liquibase is an open-source database change management tool. It records schema changes as versioned changelogs and applies them consistently across development, test and production environments. Teams use it to create, review, audit and roll back changes without relying on manual SQL execution.
Migration formats
Professionals work with formatted SQL, XML, YAML and JSON changelogs, selecting the format that fits the team and review process. They define changesets, authors, contexts, labels and preconditions so migrations run in the intended order and under controlled conditions. Strong practice also includes handling checksums, rollback logic and failed deployments.
Tools and integrations
Liquibase commonly sits inside build and delivery workflows rather than operating alone. Relevant skills include:
- Integrating Liquibase with Maven, Gradle, Spring Boot and application startup flows
- Running migrations in Jenkins, GitHub Actions, GitLab CI or other delivery pipelines
- Managing PostgreSQL, MySQL, MariaDB, Oracle, SQL Server and cloud databases
- Reviewing changelogs through Git and enforcing validation before release
When expertise matters
Companies bring in freelance Liquibase specialists when a shared database has become difficult to change safely or when releases need repeatable automation. They may need help converting legacy SQL, separating environment-specific data, introducing rollback strategies or coordinating schema changes with application releases. In Frankfurt, this work often supports financial, logistics, manufacturing and software teams with strict release and audit processes.
What strong specialists deliver
A capable professional connects database design, application behavior and release governance. They assess the current schema, establish a clear changelog structure and make migration steps observable and reversible where possible. They also understand locking, permissions, drift detection, test databases and the operational risks of running changes during live deployments.
Choosing the right fit
Look for practical evidence rather than familiarity with the command line alone. A strong specialist can explain trade-offs between Liquibase and alternatives such as Flyway, adapt to the target database and show how changes were tested across environments. They should communicate clearly with application, operations and data teams, whether collaboration is on-site in Frankfurt or remote, and document decisions so the migration process remains maintainable.
Frequently asked questions
Everything clients usually want to know about Liquibase, in one place.
Liquibase is used to version, test and deploy database schema changes alongside application releases. It helps teams apply the same changes across environments, track who introduced them and preserve an auditable migration history.
Liquibase and Flyway both automate database migrations, but they encourage different workflows. Liquibase offers several changelog formats, rollback definitions, contexts and extensive metadata, while Flyway is often preferred by teams that want a simpler SQL- or script-focused approach.
A strong Liquibase specialist should understand relational database design, SQL, Git and CI/CD pipelines. Experience with Spring Boot, Maven or Gradle, containerized deployments and the target database vendor is also valuable.
A capable Liquibase freelancer should have handled more than basic changelog creation. Look for experience with legacy schema adoption, rollback planning, production safeguards, database permissions, migration testing and coordination between schema and application releases.
Liquibase is well suited to remote collaboration because changelogs, reviews and pipeline definitions can be managed in version control. Frankfurt-based companies should still agree on documentation, release ownership and communication language before work begins, especially when database changes affect several teams.
Ask a Liquibase freelancer to explain how they prevent drift, handle a failed changeset and protect production data. A quality professional will discuss preconditions, validation, rollback limits, testing and how migration decisions are documented.
Liquibase supports a broad range of relational databases, including PostgreSQL, MySQL, Oracle, SQL Server and MariaDB. The specialist still needs to understand vendor-specific SQL, data types, locking behavior and features that may not translate cleanly between systems.
Liquibase may be unnecessary for a very small system with a single environment and rarely changing schema. It can also require careful governance when teams have no agreed ownership for migrations, weak testing practices or database changes that depend heavily on manual operational steps.
The average hourly rate of freelancers in Frankfurt, Germany who have used Liquibase in their recent projects is 86 €, which corresponds to a daily rate of about 689 € based on an 8-hour working day.
Of the freelancers in Frankfurt, Germany who have used Liquibase in their recent projects, 86% hold at least a Bachelor's degree and 43% hold at least a Master's degree.
On average, freelancers in Frankfurt, Germany who have used Liquibase in their recent projects have 18 years of professional experience, with a single engagement typically lasting around 1.9 years.
The most common languages among freelancers in Frankfurt, Germany who have used Liquibase in their recent projects are German (100%), English (100%), and French (29%).
The most common industries among freelancers in Frankfurt, Germany who have used Liquibase in their recent projects are Information Technology (100%), Banking and Finance (71%), and Automotive (43%).
The most common business areas among freelancers in Frankfurt, Germany who have used Liquibase in their recent projects are Information Technology (100%), Product Development (100%), and Quality Assurance (71%).
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.
Berlin 
Hamburg 
Munich 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
