MariaDB Experts in Berlin
matched in minutes from over 15,000 CVsHire experts who design relational data models, tune SQL queries, manage replication and connect MariaDB to applications through common frameworks and cloud services. FRATCH matches you with vetted, available freelancers quickly and precisely.
Meet FRATCH Experts in Berlin, who have recently used MariaDB
Toralf C.
Last position:
IT Consultant in PKI Software Development at BWI
- Implementation of a full-stack application with Angular as the frontend framework and Java as the backend language
- Use of the Swagger OpenAPI specification for REST communication between the frontend and backend applications
- Control of a card printer via the Nexus Card SDK framework
- Design and implementation of card management software with a web interface and a JavaFX module for printer monitoring
- Use of Cucumber tests for test automation and creation of test artifacts to test outside the development environment
- Use of Wireshark for network investigations to analyze the API of a third-party product and to monitor the REST API of the self-developed software
Mathias W.
Last position:
Implementation of an on-premise OCR solution with information extraction at Mindhopper GmbH
- Insurance service provider*
Challenge: Business-critical documents were processed through external OCR providers, with ongoing costs, dependency, and data privacy risks for sensitive insurance data.
Implementation:
- Architecture and production implementation of an on-premise OCR solution with full data ownership
- Methods for recognizing document structures as the basis for automated further processing
- ML-, NLP-, and LLM/VLM-based information extraction, especially from invoices and quotations
Success: Replaced external providers: full data ownership, GDPR-compliant processing, and 75% lower recurring OCR costs per year
Used technologies: Python, Docker, Microservices, FastAPI, PyTorch, Torchvision, MongoDB, MySQL
Daniel B.
Last position:
Senior Cloud Consultant and Developer at SDIA/Leitmotiv
- Consulting an NGO in the field of data center sustainability in publicly funded projects (BMUKN with NADIKI and Umweltbundesamt with SIEC)
- Development of Python APIs and web applications, deployment on AWS/ECS with Terraform
- Collecting power consumption metrics for servers, CPUs, GPUs running AI workloads
- Technologies used: AWS, EC2, ECS, Fargate, CloudMap, VPC, Route53, Lambda, EventBridge, CodeBuild/CodePipeline/CodeDeploy, Terraform, Docker, Linux, Bash scripting, Python, Flask, SQLAlchemy, SQL, MariaDB, InfluxDB, Telegraf, Prometheus, Zabbix, Kubernetes, Letsencrypt, certificate management
Christian G.
Last position:
Product Owner – Redesign of an iOS and Android SaaS application platform at iApps Technologies GmbH
- Led the redesign of an iOS and Android B2B SaaS solution.
- Developed the product vision and strategy and designed the platform architecture.
- Worked closely with cross-functional teams to create a user-centered, forward-looking product.
- Identified market trends and analyzed feedback from stakeholders and customers.
- Developed a well-thought-out feature set.
- Led the product design and development process.
- Created Balsamiq wireframes.
- Conducted comprehensive market and competitor analysis.
- Defined the product roadmap and feature scope, managed and prioritized the backlog.
- Crafted and wrote epics and user stories.
- Briefed UI designers and reviewed and approved Figma layouts.
Daniel S.
Last position:
Frontend and Web Developer at Datalyze Solutions
- Frontend development and implementation of various designs (landing pages, overview pages)
- Responsible for the content and updates of the Datalyze Solutions company website
- Joint planning and development of an admin application for listing and locating real estate projects (CBRE)
- Joint planning and development of extensive solutions for automatic staff allocation in plants (Bosch)
- Backend development of various small projects with different stacks
- Tech stack: GitLab CI/CD, Elixir, Phoenix Framework, Ecto, PostgreSQL, Docker, Hetzner, Traefik, NGINX, Python, Flask, Next.js/React, Leaflet, GeoServer, TypeScript, MongoDB
Thomas M.
Last position:
Lead Cloud Infrastructure Engineer at TrackCode GmbH
- Developing GitHub Actions/pipelines for automatic application deployment
- Supporting the provisioning of Helm charts for the CI/CD infrastructure
- Rebuilding and migrating a Kubernetes cluster using Rancher
- Creating IaC with Terraform for Kubernetes and additional services (monitoring, databases)
- Deploying a highly available Percona Galera cluster (MySQL)
- Implementing a centralized monitoring and logging infrastructure
Thomas S.
Last position:
GEDISA mbH
- Development of various backends (PHP) in a microservice architecture with STRENGTHS
- Development of administration interfaces with Laravel Filament diligent consistent agile
- Integration of third-party providers via REST interfaces patient attention to detail motivating
Recep C.
Last position:
Sr. Software Engineer at Endava
- Designed and deployed scalable REST APIs for enterprise clients
- Led migration of legacy systems to modern maintainable system, reducing deployment time and enabling daily deployments
- Mentored junior developers and collaborated cross-functionally to align technical roadmaps with business goals, improving team velocity by 50%.
- Tech Stack: PHP (Symfony), Golang, PostgreSQL, MySQL, GCP, Terraform, Kubernetes
Ramu M.
Last position:
Software Development Engineer at Olive Crypto Systems Pvt Ltd (National Payments Corporation of India)
Contributed to the development of a UPI simulation system, ensuring alignment with NPCI standards from UAT to production, and achieving a 98% success rate with improved API workflow clarity.
Built a data-driven certification process that increased scenario coverage by 40% and cut certification time to 1 week.
Executed 100+ transaction scenarios for switch testing using a real-time sample bank, achieving 85% accuracy in critical flows and supporting on-time certification for banks.
integrated Spring Boot microservices with RabbitMQ to automate certification workflows, reducing manual efforts by 40%.
Supported the rollout of a global UPI simulation tool used by 20+ international partners to explore real-time remittance APIs and process flows efficiently.
Streamlined certification workflows, reducing integration time by 50% and enabling full API understanding within a week.
Engineered a real-time international remittance simulator and testing framework facilitating API/application flow comprehension for partners like Lyra and TerraPay; cut partner integration time by 40%.
Developed RESTful APIs using Spring Boot and Kafka to simulate high-volume remittance traffic for partner certification.
Collaborated with international partners to optimize API performance, identifying and resolving latency issues, resulting in a 25% reduction in response times during partner integrations.
Chitrung N.
Last position:
Staff Software Engineer - Infrastructure at Workpath
- Owning, designing, securing, maintaining reliability of the cloud based platform environments
- Increasing developer productivity and growing the infrastructure team horizontally and vertically to 5 engineers
- Realised infrastructure cost reduction of 50% by utilizing efficient spot instances
- Improved PE developer efficiency by 15% with survey led development process
Christian R.
Last position:
Freelance Data Engineer at Ingenieurbüro Christian Richter – Data, Cloud & Container
- Contributed to over 20 successful projects
Cyprien A.
Last position:
Systemberatung.it GmbH
Development of a Shopware 6 plugin to display a standalone spare parts search within Shopware
Model selection via VIN/full-text search and dropdown menus
Selection of desired component groups
Selection of required spare parts from an exploded view or parts list
Garage extension:
Added a 'Garage' menu item in the header
Storage of the vehicle ID in the user profile
Ability to add, filter, and remove multiple vehicles
Adding vehicles by VIN (VIN-search REST endpoint) or by the garage's filter options
Robert H.
Last position:
Senior Software Engineer at Zalando SE
Mario E.
Last position:
Developer and Consultant at Freelancer
Michael W.
Last position:
TUI AG / Robinson
- Developed an Internet Booking Engine (IBE) (Saber and Juniper) and other microservices
- Backend development with PHP and Symfony, endpoint and interface implementation
- Unit and integration tests
Discover over 15,000 top freelancers
Statistics of experts using MariaDB
Aggregated from the professional profiles of matched freelancers.
Experience
21 years (Germany: 20 years)
Position duration
2.3 years (Germany: 3.1 years)
Positions per freelancer
14
Top business areas
Information Technology, Product Development, Project Management
Top industries
Information Technology, Media and Entertainment, Education
Certification focus areas
Product Development, Information Technology, Project Management
Bachelor's degree or higher
88% (Germany: 78%)
Master's degree or higher
25% (Germany: 44%)
Doctorate
25% (Germany: 12%)
Certifications per freelancer
1 (Germany: 2)
Most common languages
English, German, Spanish
Speak two or more languages
93% (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 Berlin 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 Berlin 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 (100%)
- Media and Entertainment (60%)
- Education (47%)
- Retail (47%)
- Banking and Finance (33%)
- Professional Services (33%)
- Advertising (27%)
- Energy (27%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
Relational foundation
MariaDB is an open-source relational database management system used to store, query and protect structured application data. It is compatible with much of the MySQL ecosystem, making it a practical foundation for websites, business applications, content systems and transactional services.
Applications and workloads
MariaDB supports workloads that need consistent transactions, clear data relationships and dependable SQL access. Companies use it for customer records, commerce platforms, reporting systems, content management and backend services where data integrity matters.
- Design schemas for transactional applications
- Build SQL queries, views and stored routines
- Support content, commerce and business platforms
- Connect application services through database drivers
Ecosystem and tooling
Strong MariaDB specialists work across SQL, indexing, permissions and backup strategies. Their toolkit may include MariaDB Server, client utilities, monitoring solutions, migration tools and connectors for PHP, Python, Java, Node.js and other application stacks.
- Configure replication and high availability
- Tune indexes, execution plans and server settings
- Automate backups, restores and schema changes
- Integrate MariaDB with containers and cloud infrastructure
When expertise matters
Companies often bring in freelance expertise during a migration from MySQL, a database redesign or a performance problem that application changes cannot solve alone. A specialist can also establish operational standards before a new service moves into production. In Berlin, remote work is common, while on-site collaboration may help when database work is tied to local product, media or commerce teams.
What strong specialists deliver
Reliable professionals clarify access patterns, transaction boundaries and recovery needs before changing a database. They inspect real query plans, document decisions and test backups rather than relying on assumptions. They also understand how schema choices affect application code, deployments and reporting.
Choosing the right profile
Look for evidence of work with production MariaDB systems similar to yours, not only general SQL knowledge. Discuss replication, migrations, access control, observability and rollback plans during the first conversation. For Berlin teams, agree early on remote or on-site routines and the language needed for technical documentation and stakeholder communication.
Frequently asked questions
Need clarity? These are the questions we hear most often about MariaDB.
MariaDB is used for relational data in websites, commerce systems, content platforms, internal applications and transactional services. It handles structured records, SQL queries, relationships, permissions and consistency across many application environments.
MariaDB began as a community-led fork of MySQL and remains familiar to teams that use the MySQL ecosystem. The products share many concepts and tools, but their storage engines, features, release paths and compatibility details can differ, so a specialist should review the target workload before recommending a migration.
A company should engage a MariaDB specialist when queries slow down, a schema needs redesign, replication is unreliable or a migration carries significant operational risk. Freelance expertise is also useful when a small internal team needs documented backup, recovery and access-control practices.
A strong MariaDB professional usually combines SQL with data modelling, Linux operations, scripting and application integration. Experience with containers, monitoring, backup automation, cloud infrastructure and frameworks such as Laravel, Django or Spring can be valuable depending on the system.
The required level depends on the risk and scope of the work. A schema review may need focused SQL and modelling knowledge, while production replication, recovery planning or a cross-database migration calls for a MariaDB professional who has handled comparable operational conditions.
Yes. MariaDB work is often suitable for remote collaboration because access, migrations, documentation and monitoring can be managed securely online. Berlin companies should define access procedures, meeting routines and whether German or English is required for documentation and coordination.
A capable MariaDB specialist explains trade-offs in plain language and validates recommendations with query plans, tests and measurable operational checks. They consider data integrity, least-privilege access, backup restoration and rollback before making changes to a live system.
MariaDB can be a strong fit for SQL-based applications that value open-source licensing and compatibility with established MySQL practices. Teams should still compare it with PostgreSQL, MySQL or a managed database service based on required features, extensions, workload patterns and operating responsibilities.
The average hourly rate of freelancers in Berlin, Germany who have used MariaDB in their recent projects is 103 €, which corresponds to a daily rate of about 827 € based on an 8-hour working day.
Of the freelancers in Berlin, Germany who have used MariaDB in their recent projects, 88% hold at least a Bachelor's degree, 25% hold at least a Master's degree, and 25% hold a doctorate.
On average, freelancers in Berlin, Germany who have used MariaDB in their recent projects have 21 years of professional experience, with a single engagement typically lasting around 2.3 years.
The most common languages among freelancers in Berlin, Germany who have used MariaDB in their recent projects are English (100%), German (87%), and Spanish (20%).
The most common industries among freelancers in Berlin, Germany who have used MariaDB in their recent projects are Information Technology (100%), Media and Entertainment (60%), and Education (47%).
The most common business areas among freelancers in Berlin, Germany who have used MariaDB in their recent projects are Information Technology (100%), Product Development (100%), and Project Management (67%).
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.
Hamburg 
Munich 
Cologne 
Frankfurt 
Dusseldorf 
Leipzig Countries:
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