
MariaDB Experts in Frankfurt
for reliable data systems, matched in minutes with vetted, available freelancersHire experts who design MariaDB databases, tune SQL performance, build replication setups and support migrations from MySQL. Get precise matching with vetted, available freelancers who can join remotely or work with your Frankfurt team.
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
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)
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, image and video
- Databricks workspace setup and administration
- Setting up a medallion architecture to ensure data quality
- Evaluation of possible BI tools (Power BI, AWS QuickSight, Tableau)
- Establishing MLOps using MLflow
- Introducing data governance and data lineage using Unity Catalog
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)
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
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
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)
Gregor S.
Last position:
Backend Developer at Jurebus GmbH
- Updating the codebase (PHP and Symfony) with the help of Rector
- Building processes for quality assurance
- Deployment incl. test runner
- Using phpstan and php_cs to improve code quality
- Introducing unit tests and integration tests
- Further developing the software architecture while considering common design patterns to enable the iterative rollout of new features
- Implementing Symfony Messenger to handle the software's many background processes efficiently and reliably
- Optimizing and further developing a module for registering and processing incoming leads (via the API of a phone service provider)
- Developing a module that automates the management of individual Google Ads campaigns based on various parameters (via the Google Ads API)
- Technical planning and implementation of a new business model, taking into account the requirements of all involved company departments
- Developing a module for managing contracts and Google Ads budgets
- Developing a module for automatically controlling Google Ads campaigns based on the current budget status
- Developing a customer portal for retrieving statistics and contract information
- Modernizing the backend with Symfony UX Live Components
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
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: 3.1 years)

Positions per freelancer
10 (Germany: 14)

Top business areas
Information Technology, Product Development, Quality Assurance

Top industries
Information Technology, Banking and Finance, Transportation

Certification focus areas
Information Technology, Product Development, Project Management
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 19 Sep 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 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 19 Sep 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 (93%)
- Banking and Finance (57%)
- Transportation (50%)
- Advertising (29%)
- Government and Administration (29%)
- Retail (29%)
- Telecommunication (29%)
- Education (21%)
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 management system used to store, query and protect structured business data. It evolved from MySQL and remains familiar to teams that rely on SQL, transactions and established relational design. Companies use it behind web applications, internal systems, customer portals and data-driven services.
What it supports
MariaDB handles transactional workloads, reporting queries and application data with a broad SQL feature set. Experts use tables, indexes, views, stored procedures and triggers to model business rules and keep data consistent. It can support standalone applications as well as distributed environments with demanding availability needs.
- Design schemas for operational applications
- Improve slow queries and indexing strategies
- Plan replication, backups and recovery
- Move workloads from MySQL or other relational systems
Ecosystem and tooling
MariaDB works with common application languages, drivers and frameworks through standard connectors and SQL interfaces. Its ecosystem includes Galera Cluster for synchronous replication, MaxScale for database traffic management, and tools for backup, monitoring and administration. Strong specialists also understand Linux, containers, cloud infrastructure and security controls around the database.
When expertise matters
Companies often bring in freelance MariaDB expertise during a migration, platform rebuild or performance investigation. Specialist support is useful when production queries become unpredictable, replication needs redesigning, or a database must meet stricter availability and recovery requirements. In Frankfurt, remote collaboration can work well alongside on-site workshops with application, operations and data teams.
- Resolve locking, latency or connection issues
- Review a database architecture before launch
- Establish backup and restore procedures
- Prepare capacity and failover plans
Choosing a strong specialist
A capable professional connects database decisions to application behavior and business risk. Look for practical experience with query plans, transaction isolation, schema changes, replication health and incident response. They should explain trade-offs clearly, document changes and test recovery instead of treating backups as sufficient proof of resilience.
MariaDB and MySQL
MariaDB and MySQL share many concepts, commands and client tools, but they have developed different features, defaults and release paths. The right choice depends on compatibility needs, operational tooling, support expectations and the workload itself. A specialist should assess the existing schema, queries, connectors and deployment model before recommending a migration or a new implementation.
Frequently asked questions
Before you brief your next project: the most common questions about MariaDB.
MariaDB is used for relational application data, transactional systems, content platforms, customer portals and operational reporting. It fits workloads that need SQL queries, data integrity, structured schemas and dependable backup and recovery processes.
MariaDB shares much of its history, SQL model and tooling with MySQL, so many applications can work with either system. Differences in features, defaults, storage engines, replication options and release direction mean that compatibility should be checked rather than assumed.
A strong MariaDB specialist usually understands Linux, SQL optimization, backup design, monitoring and application connectivity. Experience with Galera Cluster, MaxScale, containers, cloud infrastructure and security is useful when the database is part of a larger production platform.
Bring in MariaDB expertise when a migration carries production risk, queries need deep tuning, replication is unreliable or recovery requirements are unclear. A specialist can also review schema design and deployment choices before they create long-term operating costs.
MariaDB work is often suitable for remote collaboration because configuration, query analysis and documentation can be handled securely through shared tools. Frankfurt teams may still prefer on-site sessions for architecture workshops, incident reviews or close coordination with application and operations groups.
The right level depends on the risk and scope, not simply the database label. A small schema review may need focused SQL and modeling expertise, while a high-availability migration calls for a MariaDB professional who has handled replication, failover, recovery testing and production change control.
Ask a MariaDB freelancer to explain how they would investigate a slow query, validate a backup and manage a schema change under load. Look for clear reasoning, measurable tests, careful documentation and evidence that they understand application behavior as well as database commands.
Before moving from MySQL to MariaDB, review SQL modes, storage engines, collations, connectors, stored routines and replication behavior. A careful specialist inventories dependencies, tests representative workloads and defines rollback and recovery steps before changing production data.
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 736 € 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 (21%).
The most common industries among freelancers in Frankfurt, Germany who have used MariaDB in their recent projects are Information Technology (93%), Banking and Finance (57%), and Transportation (50%).
The most common business areas among freelancers in Frankfurt, Germany who have used MariaDB in their recent projects are Information Technology (100%), Product Development (86%), and Quality Assurance (57%).
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.
Countries:
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