MariaDB Experts in Hamburg
for reliable data systems, matched in minutes with AIHire experts who design resilient MariaDB databases, tune SQL workloads and manage migrations from MySQL or other relational systems. FRATCH connects you with vetted, available freelancers through fast, precise AI matching.
Meet FRATCH Experts in Hamburg, who have recently used MariaDB
Florian W.
Last position:
Software Engineer at micimo GmbH
- Developing a professional appointment planner for organizations with specific, detailed requirements
- Evaluating various existing software solutions
- Creating a list of technical requirements
- Implementing these requirements
- Technologies under consideration: WebDAV, CalDAV, Rust, Baikal, OAuth, Keycloak
Daniel S.
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
Alexander P.
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
Frank H.
Last position:
Project Manager Database Upgrade at Bank
- Planning, coordination and tracking of the work for database administration (DBA)
- Coordination with the application developers and test managers (QA) involved in the project
- Migration of the existing databases in several stages
- Coordination with and provision of information to stakeholders
- Technologies: MariaDB
- Tools: MS Office, Confluence, Jira
- Methods: Project management according to the customer-specific procedure
- Project language: English / German
Marcus B.
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
Oliver L.
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
Akram B.
Last position:
Frontend / Backend Developer at ethikPool / folioNet
- Developed a complete solution for ethics committees and medical associations, from application submission to approval
- Integrated a DICOM viewer to display medical images (CT, MRI)
- Implemented a file system with folder and subfolder structures
- Identified and fixed security vulnerabilities
- Improved code quality and application performance
- Maintained customer servers
Jürgen B.
Last position:
Software Developer at Inform AG
- Coaching junior developers
- Further development and customer-specific extensions of a standard software product (microservices (DDD) and partly monolith)
- Interface extensions
- Web services
- Test automation
- Design
- Technologies used: Java8, Java17, TypeScript, Python, PostgreSQL, Spring (Integration, Data, Boot), JPA, AWS (Cloud, Lambda, EC2, SQS/SNS), Microservices, Fitnesse/Cucumber, Gitlab
Alexander W.
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 E.
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.
René S.
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 H.
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
Osiozekhai A.
Last position:
Developer at Amorelie
- New calendar functions for the Christmas calendar
- Improved RMA handling
- Setup new Docker environment for the team
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: 2.3 years)
Positions per freelancer
12 (Germany: 15)
Top business areas
Information Technology, Product Development, Operations
Top industries
Information Technology, Retail, Transportation
Certification focus areas
Information Technology, Project Management, Accounting
Bachelor's degree or higher
45% (Germany: 78%)
Master's degree or higher
9% (Germany: 44%)
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 29 Oct 2026.
Daily rate distribution
The chart shows how the daily rates of experts in this technology in Hamburg 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 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 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 (100%)
- Retail (62%)
- Transportation (54%)
- Banking and Finance (46%)
- Healthcare (38%)
- Manufacturing (38%)
- Professional Services (38%)
- Telecommunication (38%)
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 originated as a community-led fork of MySQL and remains highly compatible with many MySQL applications, drivers and SQL patterns. Companies use it for transactional services, content systems, customer platforms and internal business software.
Systems it supports
MariaDB fits systems that need dependable transactions, clear data relationships and predictable query behavior. It can run behind web applications, APIs, commerce solutions, analytics workflows and operational tools. Common project work includes schema design, query development, replication, backups and upgrades.
- Design normalized schemas and indexing strategies
- Build secure SQL access for applications and services
- Improve slow queries and overloaded workloads
- Plan migrations from MySQL or another relational database
Ecosystem and tooling
Strong MariaDB specialists work across SQL, stored procedures, views, triggers and transaction handling. They use command-line tools, database clients, migration frameworks and monitoring systems to operate installations safely. Relevant adjacent skills include Linux, Docker, Kubernetes, cloud infrastructure, backup automation and application frameworks that connect through standard MySQL-compatible drivers.
When companies need help
Freelance expertise is useful when a database has become difficult to maintain or business-critical changes must happen without service disruption. Companies often bring in a specialist for capacity planning, replication faults, security reviews, recovery planning or a move from MySQL to MariaDB. Hamburg teams can combine local workshops with remote implementation when stakeholders and infrastructure are distributed.
- Diagnose locking, latency and connection problems
- Review permissions, encryption and backup routines
- Prepare upgrades, migrations and rollback plans
- Document operations for internal teams
What strong specialists deliver
A capable MariaDB professional starts with workload patterns and business constraints rather than applying generic tuning advice. They explain trade-offs between indexes, storage engines, consistency and operational complexity. Their deliverables may include an optimized schema, tested migration scripts, monitoring dashboards, recovery procedures and concise technical documentation.
Choosing the right fit
Look for evidence of production work with comparable data models, traffic patterns and availability requirements. Ask how the specialist investigates query plans, tests changes and validates backups before touching a critical system. Clear communication matters as much as SQL knowledge, especially when Hamburg-based teams coordinate on-site discovery with remote database work.
Frequently asked questions
Quick answers to the questions that come up most around MariaDB.
MariaDB is used for relational data storage in web applications, APIs, commerce systems, content platforms and business software. It supports transactions, structured schemas, SQL queries, replication and backup workflows.
MariaDB began as a community-led fork of MySQL and retains broad compatibility with many MySQL tools, drivers and applications. The two systems have diverged in some features, storage engines and release practices, so a specialist should assess compatibility before a migration or major upgrade.
A strong MariaDB specialist often also understands Linux, networking, Docker, cloud infrastructure and application connection pools. Knowledge of SQL performance analysis, replication, monitoring, backup automation and security is especially useful for production systems.
The right level depends on the risk and scope of the work. MariaDB schema design for a new application may need a different background from a specialist handling replication incidents, high availability, recovery planning or a complex MySQL migration.
Yes, much MariaDB work can be completed remotely through secure access, documented procedures and shared monitoring. On-site sessions in Hamburg can still help with discovery, architecture workshops or coordination with teams responsible for applications and infrastructure.
Before changing MariaDB, the freelancer should understand the workload, dependencies, backup status, recovery process and deployment path. They should test schema or query changes in a representative environment and define a rollback plan for production.
Ask how the specialist reads query plans, identifies locking or connection problems and measures the effect of tuning. Good MariaDB professionals explain their reasoning, document operational decisions and validate backups and recovery instead of relying on untested configuration changes.
For many applications, MariaDB offers mature SQL support, transactional storage and a familiar MySQL-compatible ecosystem. The decision should consider the data model, workload, hosting options, required features, team skills and long-term migration or support needs.
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 781 € based on an 8-hour working day.
Of the freelancers in Hamburg, Germany who have used MariaDB in their recent projects, 45% hold at least a Bachelor's degree and 9% 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 (23%).
The most common industries among freelancers in Hamburg, Germany who have used MariaDB in their recent projects are Information Technology (100%), Retail (62%), and Transportation (54%).
The most common business areas among freelancers in Hamburg, Germany who have used MariaDB in their recent projects are Information Technology (100%), Product Development (85%), and Operations (69%).
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 
Munich 
Cologne 
Frankfurt 
Dusseldorf 
Leipzig Countries:
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