Liquibase Experts in Frankfurt
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Meet FRATCH Experts in Frankfurt, who have recently used Liquibase
Ali Aminian
Last position:
Platform Engineer & Software Architect at Yatta GmbH
- Architected the Yatta Integration Layer – a config-driven integration platform on Java 25, Spring Boot 4 (WebFlux), Temporal, gRPC and Kafka, enabling new third-party integrations (e.g. AVS fulfillment) via declarative JSON configs with zero code changes.
- Designed and implemented Tink integration with 0Auth IBAN verification to enhance fraud prevention and account validation workflows with Adyen payByBank.
- Architected and implemented an OpenFGA-based authorization model for centralized management of users, groups, and fine-grained access control in the vendor portal.
- Architected and led delivery of the Yatta API Gateway platform using GraphQL Federation, providing a unified enterprise API layer across distributed microservices with centralized authentication, authorization and request orchestration.
- Replaced NGINX + NLB with Istio service mesh and AWS ALB; rolled out WAF, OAuth (Cognito), IP whitelisting and RBAC across environments.
- Migrated CDC from Confluent Cloud connectors to a self-hosted Kafka Connect + Debezium stack, reducing operational cost by ~80% across multiple environments.
- Implemented the Transactional Outbox pattern with Debezium for reliable, exactly-once event publishing to Kafka with Avro and Schema Registry.
- Migrated dunning/payment-recovery workflows from Airflow to Temporal, achieving 99.9% reliability for settlement handling.
- Optimised Apache Airflow with deferrable sensors to handle 1000+ concurrent DAG runs without scaling the worker pool.
- Refactored a monolithic Terraform codebase into 3 modular projects, cutting deployment time by ~45%.
- Stood up full observability with OpenTelemetry, Tempo, Prometheus and Loki; automated dev/staging/prod with ArgoCD, Image Updater and Helm.
- Collaborated with product, operations and engineering stakeholders to define scalable platform architecture and integration standards aligned with long-term business and operational goals.
Uday Vanaparthy
Last position:
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.
- Built and customized Helm charts and values.yaml configurations across 3 environments (ACT, SIMU, PROD), increasing deployment flexibility and consistency.
- 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.
- Automated build and continuous integration pipelines using Maven and Jenkins.
- Used Podman and OpenShift for container orchestration and Liquibase for database version control.
- Optimized Java code and implemented EHCache-based caching, improving application performance.
- Managed application images, JAR versions, and dependencies via DBAG Artifactory Repository Manager.
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.
Florian Fladung
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 Keil
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 Sultan
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 Fofie
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
2.1 years (Germany: 1.9 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 30 Aug 2026.
Daily rate distribution
The chart shows how the daily rates of freelancers in this technology in Frankfurt 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 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 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 version and deploy database changes in a controlled way. It helps teams keep schema updates, reference data, and rollback steps in sync across environments. For companies in Frankfurt, it is often part of regulated, audit-friendly delivery.
Typical Liquibase work
- Build and maintain changelog files
- Create safe migrations and rollback paths
- Manage database states across dev, test, and production
- Review changes before release
- Connect database updates to CI/CD pipelines
Tooling and formats
Strong specialists know the Liquibase CLI, XML, YAML, JSON, and SQL-based changelogs. They work with checksums, contexts, labels, preconditions, and formatted SQL when the project needs it. They also understand how to keep migrations readable for both application teams and database specialists.
When freelance help fits
Companies bring in freelance Liquibase experts when releases are blocked by risky migrations, inconsistent environments, or legacy schema work. It also helps during platform modernisation, cloud moves, and data layer refactoring. In Frankfurt, this is common where delivery must stay predictable across mixed on-site and remote teams.
What good specialists deliver
- Clean version history for the database
- Repeatable release steps
- Reliable rollback planning
- Fewer production surprises
- Clear handover for ongoing maintenance
Ecosystem and adjacent skills
Liquibase often sits next to Java, Spring Boot, PostgreSQL, Oracle, SQL Server, MySQL, Docker, and CI tools such as Jenkins or GitLab CI. Strong professionals understand schema design, SQL, branching strategy, and release governance. They also know when to separate app code changes from database changes and how to document that split clearly.
Frequently asked questions
Everything clients usually want to know about Liquibase, in one place.
Liquibase is used to track, version, and deploy database changes in a controlled way. Teams use it for schema updates, reference data changes, and rollback planning across development, test, and production environments. It is a good fit when releases need clear change history and repeatable execution.
Liquibase and Flyway both manage database migrations, but they tend to suit different working styles. Liquibase offers more flexibility with changelog formats, preconditions, labels, and rollback options, while Flyway is often preferred for a simpler SQL-first flow. The better choice depends on how much control your team wants over change deployment.
A strong Liquibase specialist should also be comfortable with SQL, schema design, and the database engine used in the project, such as PostgreSQL, Oracle, or SQL Server. CI/CD knowledge matters too, because changelogs are usually part of automated delivery. Familiarity with Java or Spring Boot can help when database changes are tied to application releases.
A small change set can be handled by someone with solid practical knowledge, but complex environments need deeper experience with Liquibase. The harder cases include branching conflicts, legacy databases, release coordination, and rollback design. For those, you want a specialist who has already solved similar delivery problems.
Yes. Liquibase is commonly used in Java-based systems and works well with Spring Boot projects that need controlled schema evolution. Many teams use it to keep database updates in step with application deployments and to avoid manual database work during releases.
Both can work well for Liquibase projects. Remote collaboration is fine for changelog work, reviews, and pipeline integration, while on-site time can help when release planning involves several teams or a sensitive production environment. In Frankfurt, many companies mix both depending on the project phase.
Look for clear changelog structure, safe rollback logic, and a careful approach to preconditions and deployment order. A good Liquibase professional explains why each change is written the way it is, not just how to run it. They should also show how they reduce release risk instead of adding script sprawl.
Teams usually ask for Liquibase help when database releases have become slow, manual, or fragile. Common signs are migration conflicts, unclear ownership of schema changes, failed deployments, and poor rollback planning. A specialist can bring order to the release process and make the database layer easier to maintain.
The average hourly rate of freelancers in Frankfurt, Germany who have used Liquibase in their recent projects is 88 €, which corresponds to a daily rate of about 705 € 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 2.1 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 (86%), 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
