MariaDB Experts in Berlin
in minutes with vetted specialists and AI matchingHire experts who design MariaDB schemas, tune queries, and keep replicas, backups, and upgrades stable. They also handle MariaDB Galera Cluster, MySQL migration work, and production support for busy data systems, with fast, precise matching and vetted, available freelancers.
Meet FRATCH Experts in Berlin, who have recently used MariaDB
Mathias Wilhelm
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
Christian Golecki
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 Stopp
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 Merkel
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
Daniel Boesswetter
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 Federal Environment Agency 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
Recep Can
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 Molankula
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 Nguyen
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 Richter
Last position:
Freelance Data Engineer at Ingenieurbüro Christian Richter – Data, Cloud & Container
- Contributed to over 20 successful projects
Thomas Stägemann
Last position:
GEDISA mbH
- ELanrtawvieclk(lPuHngP) of various backends in a microservice architecture with strengths
- Building admin interfaces with Laravel Filament — diligent, consistent, agile
- Connecting third parties via REST APIs — patient, eye for detail, motivating
Cyprien Adjifack Nkeneng
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 Hänsel
Last position:
Senior Software Engineer at Zalando SE
Mario Ellebrecht
Last position:
Developer and Consultant at Freelancer
Michael Wetzl
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
2.4 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
Information Technology, Product Development, Project Management
Bachelor's degree or higher
86% (Germany: 78%)
Master's degree or higher
29% (Germany: 43%)
Doctorate
29% (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 30 Aug 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 30 Aug 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
About the technology
Core use
MariaDB is a relational database used for transactional apps, reporting, and data-driven web services. It stores structured data with SQL, constraints, and indexes, so teams can keep business records consistent while serving fast reads and writes. It is common in content systems, SaaS products, and internal tools.
Skills
Strong MariaDB specialists know schema design, query tuning, replication, and backup strategy. They work with InnoDB, user privileges, stored routines, and monitoring, and they understand how MariaDB differs from MySQL in features and behavior. They also document changes so operations stay predictable.
Typical work
- New database design and normalization
- Slow query analysis and index tuning
- Migration from MySQL or older MariaDB setups
- Replica setup, failover, and backup checks
- Performance review for production incidents
Ecosystem
MariaDB often appears with tools for dump and restore, connection pooling, observability, and automation. In clustered environments, specialists may work with Galera Cluster, ProxySQL, Linux service management, and CI pipelines for database changes. They also align database changes with application releases.
When to bring in help
Companies usually bring in freelance MariaDB experts when performance drops, a migration is risky, or a release depends on a clean database change. In Berlin, they often support product teams, agencies, and SaaS companies that need remote work with occasional on-site sessions for workshops or incident reviews.
What good experts deliver
Good specialists think beyond a single query. They protect data integrity, explain trade-offs clearly, and leave behind stable structures, clear rollback plans, and practical documentation. For MariaDB, that means fewer surprises in production and easier handover for the next team.
Frequently asked questions
Need clarity? These are the questions we hear most often about MariaDB.
MariaDB is used for transactional data, reporting, and application back ends that need reliable SQL storage. Companies choose it for customer records, orders, content, and internal workflows where consistency matters. It fits well when teams need a proven relational database with familiar tooling.
MariaDB is often compared with MySQL because they share a common history and a similar SQL model. In practice, teams look at differences in features, storage engines, clustering options, and release behavior. A good specialist can explain which one fits the existing stack and the migration path.
A strong MariaDB specialist should also know indexing, replication, backup and restore, Linux basics, and monitoring. For production work, schema design and query analysis matter as much as writing SQL. Experience with migration planning and incident handling is also useful.
Projects need an MariaDB expert when queries slow down, replicas fall behind, or a migration could affect live users. They are also valuable when data model changes must stay safe under load. If the database is central to the product, early specialist input saves time later.
Most MariaDB work can be done remotely because schema reviews, tuning, and migration planning only need access to the system and clear communication. On-site time can help during workshops, live incident reviews, or stakeholder alignment. In Berlin, many teams use a mix of remote delivery and occasional local sessions.
Ask which MariaDB versions, storage engines, and replication setups the specialist has handled. Also ask how they approach backups, rollback plans, and production change control. Clear answers here are more useful than broad claims.
Look for specific examples of performance fixes, safe migrations, and stable production operations. A good MariaDB professional explains the root cause, the fix, and the follow-up checks in plain language. They should also show how they reduce risk, not just how they solve a single issue.
MariaDB often sits next to Linux, Git-based release processes, monitoring tools, and clustering components like Galera Cluster. It also works with PHP, Java, Python, and application frameworks that rely on SQL. A good specialist understands the database and the application around it.
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 826 € based on an 8-hour working day.
Of the freelancers in Berlin, Germany who have used MariaDB in their recent projects, 86% hold at least a Bachelor's degree, 29% hold at least a Master's degree, and 29% 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 2.4 years.
The most common languages among freelancers in Berlin, Germany who have used MariaDB in their recent projects are English (100%), German (86%), and Spanish (21%).
The most common industries among freelancers in Berlin, Germany who have used MariaDB in their recent projects are Information Technology (100%), Media and Entertainment (57%), and Education (43%).
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 (64%).
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 Request a free demo
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Philipp Thomaschewski
FRATCH CEO
