MariaDB Experts in Frankfurt
to strengthen reliable data systems with vetted, available freelancersHire experts who design relational data models, tune SQL queries, manage replication and migrations, and connect MariaDB to modern applications. FRATCH matches you quickly and precisely with vetted freelancers who are available for your project.
Meet FRATCH Experts in Frankfurt, who have recently used MariaDB
Boian V.
Last position:
Solution Architect at DB InfraGO AG
The Base Services of DB InfraGO form a central data hub between the company’s IT systems. Common Data Services are developed that distribute data from source systems to a variety of downstream systems (via JMS) and make them available (via REST API). The existing service landscape based on TIBCO is being migrated to DB InfraGO’s cloud-native platform.
- Architecture design and implementation for performance-optimized bulk data processing of several million datasets at specific times during the day
- Technical specification and documentation of business requirements
- Integration of various subsystems (including SAP and Salesforce) through the reimplementation of more than 40 microservices based on Spring Boot
- Migration of TIBCO Based microservices from the Enterprise Integration Platform to the Cloud Native Platform using Spring-Boot
- Establishment of a deployment pipeline using GitLab CI/CD, Artifactory, and automated deployment to a Kubernetes environment with the help of ArgoCD
- Definition and implementation of automated unit, integration, and regression tests
Team Size: 9
Technologies/Tools: Java, Spring Boot, ActiveMQ(JMS), JUnit, Tibco Business Works, Gitlab (CI/CD), Kubernetes (Amazon AWS), ArgoCD, postgreSQL, Oracle, Postman, Hoppscotch, openAPI, Sonarqube
David R.
Last position:
Lead Developer/Technical Architect
- Design, extension, and implementation of interfaces (REST, GraphQL, Kafka)
- Architecture and implementation of cloud-native microservices on Azure Kubernetes Service
- Domain-Driven Design, Event-Driven Architecture with Kafka
- Development of an extensive query engine for REST endpoints based on business objects
- Design and implementation of master data classification using machine learning algorithms (Weka library, Spotify Voyager)
- Analysis and evaluation of complex load test scenarios and derivation of optimizations
- Increase in system resilience (Kafka error handling, circuit breaker, sidecar service mesh in Go)
- Integration with CIAM systems (asynchronous real-time synchronization and definition of data ownership, authorization, authentication)
- Connection to Azure ServiceBus (AMQP protocol)
- Design and implementation of complex authorization concepts (including delegated administration)
- Documentation of the results (Confluence, architecture descriptions, architecture decisions)
Vladimir F.
Last position:
IT Consultant at ITZBund
- ITSM consulting, analysis and optimization of IT capacity with BMC TSCO / BMC Helix
- Drafting "Governance guidelines for operational capacity management"
Illia S.
Last position:
Front-End Developer at Tangram Internet Services GmbH
- IAUP (Interregional Academy of Personnel Management) commissioned the development of a distance learning system for its secondary school subdivision.
- Development of the website [link]
- Development of a billing system and integration with various payment systems
- Development of a distance learning system based on the open source Moodle solution
- Integration of the distance learning system into the user office on the [link] website
- Front-end: Vue.js v2, Nuxt.js, JavaScript, HTML, CSS, SCSS
- Back-end: LAMP (Linux, Apache, MySQL, PHP), PHP Framework Laravel, Redis, Swagger, MySQL 8.x, PayPal API
- DevOps: Docker, CI/CD, GIT
Andreas S.
Last position:
Project Management, Development and Test- (Defect-) Management at safarica.com
- Creation and implementation of a multilingual, relational MariaDB database to reflect the requirements of a booking system designed for safaris in Africa
- Testing the front- and backend functionality, registration of clients and suppliers, the editorial system and the payment workflow
- Defect management and documentation via BugHerd
- Implementation of an automatic internal deployment of deliveries provided by an external company via bash scripts
- Coordination of external companies in the function of a project manager (Stakeholder Management)
Puya D.
Last position:
Quality Assurance Consultant at Federal Employment Agency
- Consulting and implementation of functional test requirements
- Responsibility for and validation of test automation solutions in an agile team
- Support for QA topics during weekly release tests
- Creating test cases using Gherkin
- Developing automated tests with Cucumber and Playwright
- Specifying and maintaining automated and manual tests
Technologies used:
- Confluence
- Jira
- Cucumber
- Playwright
- Typescript
- Java
- Git
Delly F.
Last position:
Dad of 2 daughters at Family
Pascal S.
Last position:
Full-Stack Engineer at Playbook Digital, Inc
- Work in a rapidly moving environment on scalable and performant organizational features for a growing SaaS creative storage & digital asset management startup
- Optimization of data storage and retrieval routines in hot code paths across a containerized microservice architecture
- Implementation of new feature packages in a largely independent and self-sufficient manner, down the stack; design of both backend architecture and frontend UIs in the absence of templates, mock-ups, or other guide rails
- Autodidactic onboarding, rapid learning and subsequent productive application of technologies I was previously fully unfamiliar with (Ruby/Rails)
Michael Y.
Last position:
Senior Consultant, Senior DevOps Engineer at DB Regio AG
- Supported implementation and operation of a portal used online and offline in customer-facing vehicles
- Automated processes by introducing CI/CD pipelines
- Provided enablement and methodological guidance for adopting software engineering best practices
- System environment: NestJS, Node.js, npm, AWS, Docker, Docker Swarm, GitLab CI, WhiteSource, PostgreSQL, Prometheus, Grafana, OpenSearch, REST API
Jörg-Ulrich H.
Last position:
Data flows for health insurance providers
- Further development and creation of data flows for health insurance providers
- Data management across various storage systems (DB2, MSSQL, PostgreSQL, S3, custom APIs, ...)
- Documentation and training
- Planning and deployment of NiFi 2.x (major upgrade)
- Integrating Grafana for visualization, monitoring, and alerting
- Extensive use of the NiFi API to continuously monitor the system and its components
Robert B.
Last position:
Lead Developer & Consultant at BIOCOM AG
Solo full-stack developer for upgrading a Rails 4 legacy application to Rails 7, including deployment setup via Capistrano and NGINX configuration
Delivered a custom admin dashboard with ChartJS reports, PDF generator and CSV batch importer via Administrate
Implemented new features for reporting, import, data management and GDPR compliance, redesigned core components
Daniel S.
Last position:
Business and IT consulting at Business and IT Consulting (freelance)
- Process consulting
- Project management
- Creating and aligning functional and technical specifications
- Portfolio management
- Stakeholder management
- Data cleansing
- Test, quality, and requirements management
- Rollout management
- Financial planning
- Marketing and sales consulting
- IT architecture and strategy consulting
- Trainer for IT, project management, and eBusiness
Leonard H.
Last position:
Freelance Software Engineer & Cloud Architect at Leonard Hußke - IT Solutions
- Evaluation of potential providers (Snowflake vs Databricks) and design of the analytics data platform using Databricks
- Data storage and ingestion layer with Amazon S3
- Creation of ETL processes and data transformations with AWS Glue and Databricks Notebooks
- Orchestration with AWS Glue Workflow, Databricks Workflow and Databricks DLT
- Processing of unstructured data, including text, images and video
- Databricks workspace setup and administration
- Implementation of a medallion architecture to ensure data quality
- Evaluation of potential BI tools (Power BI, AWS Quicksight, Tableau)
- Establishment of MLOps using MLFlow
- Introduction of data governance and data lineage using Unity Catalog
Discover over 15,000 top freelancers
Statistics of experts using MariaDB
Aggregated from the professional profiles of matched freelancers.
Experience
17 years (Germany: 20 years)
Position duration
2.7 years (Germany: 2.3 years)
Positions per freelancer
11 (Germany: 15)
Top business areas
Information Technology, Product Development, Quality Assurance
Top industries
Information Technology, Banking and Finance, Transportation
Certification focus areas
Information Technology, Project Management, Business Intelligence
Bachelor's degree or higher
89% (Germany: 78%)
Master's degree or higher
33% (Germany: 44%)
Certifications per freelancer
1 (Germany: 2)
Most common languages
German, English, Russian
Speak two or more languages
100% (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 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 MariaDB
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.
MariaDB 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 (92%)
- Banking and Finance (62%)
- Transportation (54%)
- Government and Administration (31%)
- Retail (31%)
- Telecommunication (31%)
- Advertising (23%)
- Education (23%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
MariaDB at a glance
MariaDB is an open-source relational database used to store, query and protect structured application data. It supports transactional workloads, reporting, content systems, commerce applications and business software that need dependable SQL performance. Its MySQL heritage makes it familiar while its own release path adds distinct features and tooling.
Core capabilities
MariaDB experts work across schema design, SQL, indexing, transactions, permissions and backup strategies. They select storage engines such as InnoDB or Aria, plan replication and improve queries with execution plans. Strong delivery also covers data integrity, connection handling and operational documentation.
Ecosystem and tooling
MariaDB commonly sits behind PHP, Java, Python, Node.js and .NET applications through established connectors and ORM integrations. Professionals may use MariaDB MaxScale for routing and high availability, Galera Cluster for synchronous replication, and command-line or graphical tools for administration. Containerized deployments and cloud infrastructure bring additional work around configuration, secrets, monitoring and recovery.
Where companies use it
Teams bring in MariaDB specialists for products and platforms that depend on consistent relational data:
- E-commerce catalogs, orders and customer accounts
- Content management and publishing systems
- SaaS applications with transactional workloads
- Reporting stores and operational dashboards
- MySQL-to-MariaDB migrations and consolidation
When freelance expertise helps
External expertise is valuable during migrations, performance incidents, database modernization and changes to production architecture. A professional can review slow queries, redesign indexes, validate replication, automate backups or prepare a safe upgrade path. In Frankfurt, remote collaboration is often practical, while on-site work can help when teams need close coordination with local operations or German-speaking stakeholders.
What strong experts deliver
Look for specialists who explain trade-offs clearly and test changes against real workloads. They should know how to inspect locks, transactions, replication health, resource usage and recovery procedures rather than tuning isolated queries. Strong professionals leave repeatable automation, useful monitoring and clear runbooks so the team can operate MariaDB confidently after handover.
Frequently asked questions
Before you brief your next project: the most common questions about MariaDB.
MariaDB is used for relational application data, including accounts, orders, content, inventory and operational records. It is a strong fit when a system needs SQL, transactions, structured schemas and dependable data integrity.
MariaDB began as a MySQL-compatible alternative and retains many familiar SQL concepts, connectors and administration patterns. The products have diverged over time, so a specialist should check feature compatibility, version behavior, replication choices and migration constraints before recommending one.
A MariaDB specialist is useful for slow-query analysis, schema changes, replication issues, migrations, backup design and production upgrades. Bringing in expertise early can reduce risk when database changes affect application behavior or business-critical data.
A strong MariaDB professional often works with Linux, SQL performance analysis, scripting, containers and cloud infrastructure. Knowledge of application frameworks, connection pools, monitoring, backup recovery and tools such as MaxScale or Galera can also be important.
The right level depends on the work, not on a fixed number of years. A schema review may need focused database expertise, while a high-availability migration calls for proven experience with replication, failover testing, recovery and production change control.
MariaDB work is often well suited to remote collaboration because access, reviews, testing and monitoring can be managed securely online. On-site sessions in Frankfurt may still help with workshops, incident response or coordination across database, application and operations teams.
Ask how the MariaDB professional would investigate a slow query, test a replication change or restore a backup. Look for clear reasoning, measurable validation, careful change planning and documentation that another team member can use.
Before working with MariaDB, clarify the database versions, workload patterns, data sensitivity, uptime needs, access controls and rollback expectations. Also confirm whether the project involves MySQL compatibility, Galera, MaxScale, cloud hosting or an application migration.
The average hourly rate of freelancers in Frankfurt, Germany who have used MariaDB in their recent projects is 92 €, which corresponds to a daily rate of about 733 € based on an 8-hour working day.
Of the freelancers in Frankfurt, Germany who have used MariaDB in their recent projects, 89% hold at least a Bachelor's degree and 33% hold at least a Master's degree.
On average, freelancers in Frankfurt, Germany who have used MariaDB in their recent projects have 17 years of professional experience, with a single engagement typically lasting around 2.7 years.
The most common languages among freelancers in Frankfurt, Germany who have used MariaDB in their recent projects are German (100%), English (100%), and Russian (23%).
The most common industries among freelancers in Frankfurt, Germany who have used MariaDB in their recent projects are Information Technology (92%), Banking and Finance (62%), and Transportation (54%).
The most common business areas among freelancers in Frankfurt, Germany who have used MariaDB in their recent projects are Information Technology (100%), Product Development (85%), and Quality Assurance (62%).
Main locations of FRATCH Experts, who have recently used MariaDB
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 
Cologne 
Dusseldorf 
Leipzig Countries:
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FRATCH CEO
