MariaDB Experts in Dusseldorf
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Meet FRATCH Experts in Dusseldorf, who have recently used MariaDB
Andreas W.
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 T.
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 S.
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 D.
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 B.
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: 44%)
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 19 Sep 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 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 (83%)
- Manufacturing (83%)
- Telecommunication (83%)
- Education (50%)
- Retail (50%)
- Construction (33%)
- Insurance (33%)
- Government and Administration (33%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
What MariaDB is
MariaDB is an open-source relational database used for transactional systems, content platforms, reporting, and many business applications. It is a common choice when teams want a MySQL-compatible database with a broad storage engine and tool ecosystem.
Typical work
- Schema design for new applications and services
- Query tuning and indexing for slower workloads
- Replication, failover, and backup setup
- Migration from MySQL or older database versions
- Support for analytics, reporting, and data pipelines
Ecosystem and skills
Strong specialists know SQL, indexing, transactions, and safe schema changes. They also work with tools around MariaDB such as replication topologies, monitoring, backup utilities, and managed hosting options. In Dusseldorf, they often collaborate with product teams, agencies, and internal IT groups that need reliable database work without long hiring cycles.
When to bring in freelance help
Companies bring in freelance MariaDB experts when performance drops, migrations are risky, or a release needs database changes done carefully. They are also useful for short projects such as auditing a live schema, fixing replication issues, or preparing a system for growth. Remote work is common, but on-site sessions can help during cutovers or urgent incidents.
What strong professionals do well
Good MariaDB professionals keep changes safe and reversible. They read execution plans, understand locking and isolation, and document every important decision. They also know when MariaDB is the right fit and when another database, such as PostgreSQL or a cloud-native option, is a better match.
Where MariaDB fits
MariaDB is used in e-commerce, publishing, SaaS, internal business tools, and systems that need dependable reads and writes. It often sits behind web applications, APIs, and reporting layers. The best specialists think about the full path from application code to storage, not just the database server itself.
Frequently asked questions
Before you brief your next project: the most common questions about MariaDB.
MariaDB is used for transactional applications, website back ends, internal tools, reporting, and systems that need structured data with predictable behavior. It is a good fit when teams need SQL, reliable writes, and a mature open-source database they can operate themselves.
MariaDB started as a MySQL-compatible fork, so many schemas and queries feel familiar. The main differences are in long-term product direction, storage engines, features, and package availability, so a specialist should check the exact version and migration path before making changes.
A company should bring in a MariaDB specialist when queries slow down, replication breaks, a migration is planned, or schema changes need to be safe. It also helps when the team needs a clean backup strategy, high availability, or a review of an existing database design.
A strong MariaDB professional usually knows SQL well, plus indexing, transactions, server tuning, Linux basics, and backup and recovery methods. Depending on the project, experience with PHP, Java, Python, application frameworks, and cloud hosting can also be important.
The right level depends on risk, not just scope. A simple schema review may need only a focused MariaDB specialist, while a live migration, performance incident, or replication redesign calls for deeper hands-on experience with production systems.
Most MariaDB tasks can be done remotely, especially schema work, tuning, and migration planning. On-site time in Dusseldorf can still help during cutovers, incident response, or workshops with local teams that prefer direct collaboration.
Look for clear explanations, safe change plans, and evidence of production work with MariaDB. Good experts talk about backups, rollback steps, query plans, and monitoring, not just feature lists. They should also explain trade-offs in plain language.
MariaDB works for both new builds and existing systems, but the fit depends on the workload. It is often chosen for applications that need standard relational modeling, strong SQL support, and a database that can be operated with familiar open-source tooling.
The average hourly rate of freelancers in Dusseldorf, Germany who have used MariaDB in their recent projects is 99 €, which corresponds to a daily rate of about 789 € 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.
Berlin 
Hamburg 
Munich 
Cologne 
Frankfurt 
Leipzig Request a free demo
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Philipp Thomaschewski
FRATCH CEO
