MariaDB Experts in Hamburg
matched in minutes from over 15,000 CVs with the power of AI.Hire experts who tune MariaDB, design reliable schemas, and keep production databases stable under real load. From migration planning to replication, backups, and performance fixes, FRATCH connects you with vetted, available freelancers fast and precisely.
Meet FRATCH Experts in Hamburg, who have recently used MariaDB
Daniel Sedlack
Last position:
Senior Software Engineer at energielenker solutions GmbH
- Designed and implemented a Python-based ETL pipeline with the Dagster framework to transform raw energy data from heterogeneous sources using InfluxDB and visualizations in Grafana
- Defined time-based and dependency-based jobs
- Deployed to managed Kubernetes clusters using Helm
- Integrated InfluxDB Cloud
- Prepared data for use in Grafana, including cleaning, normalization, and time-based resampling in Python
- Developed dashboards and visualizations in Grafana
- Developed unit tests with mocking using pytest
- Set up a CI/CD pipeline in GitLab
Technologies: Python, Dagster, InfluxDB, Grafana, pandas, pytest, REST, CI/CD, GitLab, Container, Kubernetes, Helm, Docker, Cloud
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
Florian Wede
Last position:
Software Engineer at micimo GmbH
- Developing a professional scheduler for organizations with specific detailed requirements
- Evaluating different existing software solutions
- Creating a list of technical requirements
- Implementing these requirements
- Selected technologies: WebDAV, CalDAV, Rust, Baikal, OAuth, Keycloak
Alexander Pohl
Last position:
Head of integration for six country subsidiaries at XSYS Holding
- Analyzed the required scope of processes, infrastructure, and SAP for integrating the MacDermid subsidiaries
- Validated proposals from the new service providers
- Managed the collaboration and tracked the tasks of business and IT experts
- Coordinated communication and the PMO
- Created cutover plans in three waves for SAP conversion, Salesforce, and Ariba
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
Alexander Willer
Last position:
Freelance Head of Development / Strategy Consultant at LabMaker GmbH
- Consulting on a wide range of open science hardware projects in the fields of electronics, mechatronics, and optoelectronics
- Comprehensive system analysis and DFM optimization of a novel open hardware miniaturized two-photon microscope
- Exchange with scientists from renowned academic institutions to align the customer’s work in the best possible way
- Production coordination with local and international partners for PCB assembly, CNC machining, and optics
- Process analysis for product design, production planning/execution, product lifecycle, and product data management
- Coaching employees from all departments on the requirements that complex technical products place on business processes
- Development of a comprehensive PLM & PDM concept tailored to the needs of development and manufacturing
- Initiating intensive and direct cross-departmental exchange to identify improvement potential
- Planning shopfloor layout improvements with the production team and supporting the implementation process
- Quick onboarding of two new English-speaking colleagues in technical product management and development
- Ad-hoc and in-depth training of employees in the use of software tools such as KiCad or Autodesk Inventor
- Consulting on long-term development into a scalable, even stronger partner for the open science hardware community
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.
Frank Heimsohn
Last position:
Project Manager Database Upgrade at Bank
- Planning, coordination and tracking of tasks for database administration (DBA)
- Coordination with application developers and test managers (QA) involved in the project
- Migration of existing databases in several stages
- Coordination and communication with stakeholders
- Technologies: MariaDB
- Tools: MS Office, Confluence, Jira
- Methods: project management according to the client's process
- Project language: English / German
René Schmidt
Last position:
CRM Developer at CiS GmbH
- Developed a greenfield CRM for managing incoming customer requests for a municipal utility provider
- Implemented with PHP/Symfony 5, EasyAdmin, Doctrine ORM and Oracle XE
- Handed over to CiS GmbH after initial groundwork as planned
Adrian Hollay
Last position:
Interim Consultant for Oracle Database Migrations to the AWS Cloud at Bank Deutsches Kraftfahrzeuggewerbe GmbH
- Migration of Oracle databases from on-premise to the AWS Cloud
- Support for technical Oracle solutions and cloud database infrastructures (IaaS and PaaS) RDS vs. EC2, sizing for performance
- Creation and maintenance of DR/HA (Disaster Recovery/High Availability) and backup and recovery policies and procedures (multi-region backup)
- Support for Oracle license selection, Enterprise → Standard migration
- Monitoring database instances
- Implementation and maintenance of database security (wallet, SSL)
- Patch management and version control
- Automated installation and configuration of Oracle databases using Terraform and Ansible
Akram Belajouza
Last position:
Frontend / Backend Developer at ethikPool / folioNet
- Developed a complete solution for ethics committees and medical boards from submission to approval
- Integrated a DICOM viewer to display medical images (CT, MRI)
- Implemented a filesystem with folder and subfolder structure
- Found and fixed security vulnerabilities
- Improved code quality and application performance
- Maintained client servers
Jürgen Brardt
Last position:
Software Developer at Inform AG
- Coaching junior developers
- Further development and custom extensions of a standard software (microservices (DDD) and partial monolith)
- Interface extensions
- Web services
- Test automation
- Design
- Used technologies: Java8, Java17, TypeScript, Python, PostgreSQL, Spring (Integration, Data, Boot), JPA, AWS (Cloud, Lambda, EC2, SQS/SNS), Microservices, Fitnesse/Cucumber, Gitlab
Osiozekhai Aliu
Last position:
Developer at Amorelie
- New calendar functions for the Christmas calendar
- Improved RMA handling
- Setup new Docker environment for the team
Mirco Marahrens
Last position:
Senior Software Engineer at Vattenfall
- Lead of the platform engineering team for the development of a platform for energy trading, focusing on high availability, low latency, and scalability of libraries and services
- Supporting quants and market access solutions for energy trading, including market access integration and deployment of algorithmic trading strategies
Discover over 15,000 top freelancers
Statistics of experts using MariaDB
Aggregated from the professional profiles of matched freelancers.
Experience
18 years (Germany: 20 years)
Position duration
2.2 years (Germany: 3.1 years)
Positions per freelancer
12 (Germany: 14)
Top business areas
Information Technology, Product Development, Operations
Top industries
Information Technology, Retail, Banking and Finance
Certification focus areas
Information Technology, Business Intelligence, Project Management
Bachelor's degree or higher
50% (Germany: 78%)
Master's degree or higher
17% (Germany: 43%)
Certifications per freelancer
2
Most common languages
German, English, French
Speak two or more languages
100% (Germany: 97%)
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 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 30 Aug 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
About the technology
MariaDB in use
MariaDB is a relational database for applications that need structured data, transactions, and dependable query performance. Companies use it for web apps, internal tools, reporting stores, and transactional systems where data integrity matters. It fits teams that need a proven SQL database with a broad ecosystem.
What specialists deliver
- Schema design and data modeling
- SQL query tuning and index review
- Replication, clustering, and failover setup
- Backup, restore, and upgrade planning
- Migration from MySQL or older MariaDB setups
Strong professionals keep databases readable, consistent, and easy to operate. They work with production logs, slow queries, and capacity limits, then turn that into safe changes. Good work is visible in stable applications and fewer surprises during releases.
Ecosystem and tools
MariaDB often sits with tools and features such as Galera Cluster, stored routines, triggers, views, and connectors for common languages. Experts also work with monitoring, schema migration tools, and Linux-based deployment setups. They know when to use built-in features and when to keep the design simple.
When companies bring in help
Teams usually look for freelance help when a database feels slow, a migration is risky, or a release depends on reliable data changes. It is also common during platform modernisation, replication redesign, or recovery after incidents. In Hamburg, this often suits companies that need short, focused collaboration across in-house teams and remote specialists.
What good expertise looks like
A strong MariaDB specialist reads execution plans, spots locking problems, and understands how storage engines affect real workloads. They document changes clearly, test safely, and think about backup, rollback, and maintenance windows. They should be comfortable working with MySQL compatibility where legacy systems still depend on it.
Industries and collaboration
MariaDB is common in commerce, logistics, SaaS, media, and operations-heavy systems where reliable SQL access is part of the product. Hamburg teams often need experts who can join existing work without slowing delivery. Clear communication in English is usually enough, and on-site time matters mainly for sensitive migrations, workshops, or handover.
Frequently asked questions
Quick answers to the questions that come up most around MariaDB.
MariaDB is used for transactional applications, content systems, reporting layers, and services that need structured data with SQL. It is a strong fit when teams want a familiar relational database with solid performance and operational control.
MariaDB is closely related to MySQL, and many teams compare them during migration or vendor decisions. The main question is compatibility, feature set, and operational fit, especially when existing code, tooling, or replication setup already depends on MySQL behavior.
A strong MariaDB expert usually also knows SQL, Linux, backup and restore procedures, replication, schema design, and performance troubleshooting. For larger systems, knowledge of clustering, monitoring, and safe migration planning is important too.
MariaDB work needs clear access to the schema, workload patterns, and the problem you want solved. A small tuning task may need only a quick review, while migration or failover work needs more context about dependencies, maintenance windows, and rollback options.
Yes, MariaDB specialists often work well remotely because most tasks happen in the database, not at the office. On-site time in Hamburg is mainly useful for workshops, stakeholder alignment, incident response, or sensitive cutovers where direct coordination helps.
Look at how a MariaDB professional explains trade-offs, tests changes, and protects data during deployment. Good signs are clear query analysis, safe migration steps, sensible indexing choices, and documentation that your team can actually use later.
MariaDB works for both new systems and existing ones. It is often chosen for new transactional applications, but it also fits legacy environments where MySQL compatibility and a stable SQL database are important.
Teams usually ask for MariaDB help when queries slow down, replication drifts, upgrades feel risky, or a migration has too many unknowns. It is also common when a system needs better backup routines, safer schema changes, or cleaner production operations.
The average hourly rate of freelancers in Hamburg, Germany who have used MariaDB in their recent projects is 98 €, which corresponds to a daily rate of about 782 € based on an 8-hour working day.
Of the freelancers in Hamburg, Germany who have used MariaDB in their recent projects, 50% hold at least a Bachelor's degree and 17% hold at least a Master's degree.
On average, freelancers in Hamburg, Germany who have used MariaDB in their recent projects have 18 years of professional experience, with a single engagement typically lasting around 2.2 years.
The most common languages among freelancers in Hamburg, Germany who have used MariaDB in their recent projects are German (100%), English (100%), and French (21%).
The most common industries among freelancers in Hamburg, Germany who have used MariaDB in their recent projects are Information Technology (100%), Retail (57%), and Banking and Finance (50%).
The most common business areas among freelancers in Hamburg, Germany who have used MariaDB in their recent projects are Information Technology (100%), Product Development (86%), and Operations (71%).
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.
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Dusseldorf 
Leipzig Request a free demo
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FRATCH CEO
