MariaDB Experts in Dusseldorf
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Meet FRATCH Experts in Dusseldorf, who have recently used MariaDB
Andreas Wißkirchen
Last position:
Freelancer at Infrafibre Networks GmbH
- Assessing the current status (planning stage / rollout status) of the so-called inter-polygon routes
- Creating an end-to-end project plan for the individual routes, considering active and passive components and tasks
- Monitoring and controlling the implementation of the plan
- Optimizing the chosen network architecture
- Creating network and splice diagrams
Dmitry Tarantin
Last position:
Web Software Engineer at Freelancer
Third-side integration development (REST: Amazon, OpenAI, Etsy, Shopware, Prestashop, etc)
Performance optimization (Refactoring, SQL analysis)
LMS development and deployment (Moodle)
Cloud deployment automation (Amazon, Azure, Gitlab CI/CD, Docker)
Backend and Frontend development (Laravel, VueJs)
Collaboration with partner-developers (national and international)
Shirtigo GmbH
GRELLARTIG Digital GmbH
velpTEC edutainment GmbH
Jan G.
Last position:
Master Data Application at confidential
Visualization, search, and maintenance of various types of master data, providing them via a REST API, and implementing a variety of import and export formats.
Implementation, architecture, project management.
Technologies and tools: Angular (Signals, Signal Store, swagger-codegen, standalone components), Java, PostgreSQL, ActiveMQ, JavaScript, Spring Boot (Spring Core, Spring MVC, Spring Data/JPA via Hibernate, Spring Security, Spring Modulith), JUnit, Flyway, QueryDSL, GraphQL, REST API, Node, npm, Maven, SonarQube, GitLab CI/CD pipelines, Docker, Nexus, OpenAPI + Swagger UI, Keycloak, OAuth2, OpenID Connect, IntelliJ IDEA, Jira, Confluence.
Nils Schneider
Last position:
Backend system and web client for exchanging electricity meters for utility providers at Freelance
Design and implementation of a system to control the entire process for new, removal, and exchange operations of electricity meters by external service providers for a utility company
Automated retrieval of orders and available devices via defined interfaces (e.g. from SAP)
Orchestration of process steps (assigning meters, processing meter data, sending updated information back to the source system) using a Spring Boot backend
Provision of a React-based web client for operational tracking and control of orders, e.g. to continue failed process steps or resend notifications
Bernhard Döpper
Last position:
Enterprise Architect. And responsible for the cross-functional architecture as well as all domains with a focus on the sales at Süddeutsche Krankenversicherung
Creation of business and technical concepts as well as support for enterprise architecture management as part of the migration to the Adesso standard insurance solutions and the renewal of surrounding systems
Interface definitions
Business analysis and creation of the business concepts for input management and sales
Creation of architecture guidelines and processes
Processing technical and business decisions in the architecture board
Definition of service processes and system management aspects
Creation of the technical target operating model
Creation of an integration architecture for AI/LLMs from the providers Commasoft and Insiders
CommaSoft (Alan) webpages and web services
Insiders for Smartfix based on web services
Creation of a question catalog for a security/regulatory check.
Analysis of threats using threat modeling / STRIDE incl. creation of a set of measures to secure the systems
System environment: Jira, Confluence, Java, Enterprise Architect, VAIT/DORA, KritisV, GDPR, IT ServiceMgmt, Adesso Ecosphere and Insure Health, DoPIX and successor product, SmartFix, SmartFlow, Zabas, Kolumbus, Clarc archive, BiPRO, AI / LLM, MS Azure, AWS, TOM/FMO
Wolfgang Backhaus
Last position:
Freelancer at Self-employed as a freelancer
Discover over 15,000 top freelancers
Statistics of experts using MariaDB
Aggregated from the professional profiles of matched freelancers.
Experience
25 years (Germany: 20 years)
Position duration
2.8 years (Germany: 3.1 years)
Positions per freelancer
15 (Germany: 14)
Top business areas
Information Technology, Product Development, Operations
Top industries
Information Technology, Manufacturing, Telecommunication
Certification focus areas
Information Technology, Business Intelligence, Operations
Bachelor's degree or higher
75% (Germany: 78%)
Master's degree or higher
50% (Germany: 43%)
Doctorate
50% (Germany: 12%)
Certifications per freelancer
6 (Germany: 2)
Most common languages
German, English, Spanish
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 Dusseldorf 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 Dusseldorf 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
What MariaDB fits
MariaDB is a relational database built for transactional systems, analytics workloads, and applications that need MySQL compatibility. Companies use it for product back ends, reporting stores, customer portals, and internal tools where stable SQL access matters.
Typical delivery
- Schema design and query tuning
- Replication, failover, and backup setup
- Migration from MySQL or older MariaDB setups
- Performance work for busy applications
- Routine maintenance and release planning
Ecosystem basics
MariaDB professionals work with SQL, InnoDB, Galera Cluster, and common tools for monitoring, dumps, and automated deployment. Strong specialists also understand stored procedures, indexing strategy, and how application code talks to the database.
When teams bring help
Companies usually bring in freelance expertise during migrations, slow query incidents, platform upgrades, or when production needs clearer ownership. In Dusseldorf, this often comes up in e-commerce, logistics, media, and service systems that need dependable data handling across teams.
What strong specialists do
Good MariaDB specialists read execution plans, spot locking issues, and keep changes safe under load. They document assumptions, test restore paths, and leave the database easier to operate than they found it.
Local collaboration
For Dusseldorf projects, some work can be done remotely while sensitive rollout steps may need on-site coordination. The best specialists can work with English-speaking teams, and often German-speaking stakeholders, without slowing delivery.
Frequently asked questions
Before you brief your next project: the most common questions about MariaDB.
MariaDB is used for applications that need structured data, SQL queries, and reliable transaction handling. It commonly sits behind web apps, reporting layers, internal systems, and services that grew from MySQL-compatible stacks.
MariaDB started as a MySQL-compatible fork, so many teams compare them directly. In practice, the choice often comes down to release path, specific features, support needs, and how much change a current stack can absorb.
A strong MariaDB specialist usually knows SQL well, plus indexing, replication, backups, and Linux operations. Experience with application frameworks, shell scripting, and monitoring tools also helps when the database is part of a larger system.
MariaDB work can be simple for a clean install, but migration, tuning, and high-availability setups need deeper experience. If the system is business-critical, bring in someone who has handled production changes and recovery scenarios before.
Yes, most MariaDB tasks can be done remotely, including schema changes, query review, and migration planning. In Dusseldorf, on-site time is mainly useful for cutovers, stakeholder workshops, or when access rules make local presence easier.
Ask which versions the MariaDB specialist has worked with, what migration paths they know, and how they handle backups and rollback. You should also ask for examples of performance issues they have solved and how they document their changes.
Look for clear explanations, safe change plans, and evidence of testing under real conditions. A good MariaDB professional can describe indexing, replication, and recovery choices in plain language, not just quote commands.
MariaDB can be a solid choice when you want SQL, familiar tooling, and a MySQL-compatible path. It is a good fit if your team values operational control, proven database patterns, and a wide base of practical expertise.
The average hourly rate of freelancers in Dusseldorf, Germany who have used MariaDB in their recent projects is 98 €, which corresponds to a daily rate of about 787 € based on an 8-hour working day.
Of the freelancers in Dusseldorf, Germany who have used MariaDB in their recent projects, 75% hold at least a Bachelor's degree, 50% hold at least a Master's degree, and 50% hold a doctorate.
On average, freelancers in Dusseldorf, Germany who have used MariaDB in their recent projects have 25 years of professional experience, with a single engagement typically lasting around 2.8 years.
The most common languages among freelancers in Dusseldorf, Germany who have used MariaDB in their recent projects are German (100%), English (100%), and Spanish (17%).
The most common industries among freelancers in Dusseldorf, Germany who have used MariaDB in their recent projects are Information Technology (83%), Manufacturing (83%), and Telecommunication (83%).
The most common business areas among freelancers in Dusseldorf, Germany who have used MariaDB in their recent projects are Information Technology (100%), Product Development (100%), and Operations (83%).
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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Hamburg 
Munich 
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Frankfurt 
Leipzig Request a free demo
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Philipp Thomaschewski
FRATCH CEO
