MySQL Experts in Berlin
, matched in minutes from over 15,000 CVs with the power of AIHire experts who design relational schemas, tune queries, secure production databases and connect MySQL to modern web applications. FRATCH matches you quickly and precisely with vetted, available freelancers for your project.
Meet FRATCH Experts in Berlin, who have recently used MySQL
Sascha B.
Last position:
Web Developer at GxPlex
- Built a customized MediaWiki instance, including installation, MySQL database, SSL, and automatic backups
- Set up user roles (Admin, Mod, Verified, User) and a permissions system
- FlaggedRevisions for editorial review workflows · Commenting and rating extensions
Toralf C.
Last position:
IT Consultant in PKI Software Development at BWI
- Implementation of a full-stack application with Angular as frontend framework and Java as backend language
- Use of the Swagger OpenAPI specification for REST communication between frontend and backend applications
- Control of a card printer via the Nexus Card SDK framework
- Design and implementation of card management software with web interface and JavaFX module for printer monitoring
- Use of Cucumber tests for test automation and creation of test artifacts for testing outside the development environment
- Use of Wireshark for network investigations to analyze the API of a third-party product and to check the REST API of the self-developed software
Alois R.
Last position:
Senior Fullstack Developer at brandung GmbH
- Opt-in RAG extension over tenant-owned data sources (SharePoint, Confluence) on existing multi-tenant enterprise AI platform
- Architecture: ADRs, solution evaluations, permission strategy, cost modeling
- End-to-end SharePoint and Confluence connectors: OAuth consent flows, token refresh, metadata sync, search integration
- Permission resolution: ACL indexing at ingestion and query-time verification (document-level security)
- Elasticsearch hybrid search (semantic + keyword) with RRF scoring
- RAG chat with context injection and source citations
- Stack: Elastic Cloud, Elasticsearch, Docker, Northflank, Next.js, React, TypeScript, Prisma, Microsoft Graph API, Atlassian REST API, OAuth 2.0
Alexander Z.
Last position:
Senior Data Solutions Engineer at VMware Inc.
- Architected and deployed private cloud data platform on VMware vSphere, integrating Greenplum MPP, Apache Kafka, Kubernetes, and Apache Solr, and developed real-time ingestion pipelines with Kafka Connect and Schema Registry.
- Led Oracle Exadata to Greenplum migration, rearchitected data models, optimized storage, implemented RabbitMQ with Debezium for CDC, and deployed VectorDB for Generative AI.
- Designed and executed multi-cloud migration PoC across AWS, Azure, and GCP, defined KPIs for throughput, latency, and cost efficiency, executed bulk data transfers, validated analytics and streaming workloads, and delivered full-scale architecture recommendations.
- Assessed legacy on-premises infrastructure and designed modern cloud-native data platforms using Greenplum and containerized microservices, advising on scalability, disaster recovery, and high-availability.
Chintan P.
Last position:
Product Owner and Technical Product Lead at Sustamize GmbH
LLM-based features for automated CO₂e data extraction from unstructured documents (70% reduction)
Agentic AI pipeline for automated Scope 3 emissions calculations with 150.000+ validated data records
Intelligent API workflows for real-time carbon footprint calculations in ERP and ESG systems
ML algorithms for predicting emissions hotspots and optimizing product design
Automated data validation pipelines with NLP for quality assurance of CO₂e datasets
Led a 15-person cross-functional team in developing 10+ AI features
Strategic product planning and AI roadmap with 35% shorter time-to-market
Stakeholder management with DAX companies (40% higher satisfaction, 95% retention)
On-time project delivery with 95% budget adherence through data-driven backlog management
Agile methods (Scrum, Kanban) with continuous AI/ML integration (25% increase in team velocity)
Product-market fit for AI features through A/B testing and analytics (60% higher adoption rate)
Thomas Ü.
Last position:
Head of Engineering - Midnight at IOG / Midnight
- Built and scaled a 35-member engineering team (Core Engineering, QA, and SRE) in 12 months, accelerating Midnight’s blockchain development on Parity’s Substrate framework.
- Defined strategic direction and aligned technology development with business objectives as a key member of the leadership.
- Optimized software development processes and implemented agile methodologies, enhancing operational efficiency and code security.
- Delivered projects in a fast-paced startup environment through effective project management and resource allocation.
Oleg A.
Last position:
Staff Software Engineer at Kpler Germany GmbH
- Delivered a new notifications platform implementation built from scratch to replace existing and upcoming services
- Collaborating with other teams to integrate more domains
Tech stack:
- Data: Scala 3, Apache Kafka, Python, Airflow, Astronomer
- BE-FE: TypeScript, NestJS, Java, Spring Boot, Vue
- Dev-ops: AWS, PostgreSQL, Docker, GitHub Actions, Kubernetes, Helm, ArgoCD
Imran A.
Last position:
Software Engineer II at LivePerson Germany GmbH
- Led development of 15+ microservices (Java 17, Spring Boot) driving customer interactions; migrated from on-prem to GCP Kubernetes, improving scalability and reducing infra cost by 20%.
- Optimized user services with CouchDB caching and API refactoring, cutting response times by 35% and enhancing customer experience.
- Implemented canary deployments, FluxCD GitOps, and CI/CD optimizations in GitLab, reducing release lead time by 25% and enabling zero-downtime rollouts.
- Set up Grafana health checks and Anodot alerts for latency, error, and throughput monitoring, reducing MTTR by 40%.
- Built secure APIs using OAuth2, DPoP, and Gatekeeper, integrated REST and GraphQL, and achieved 90%+ test coverage with unit and E2E tests.
- Mentored junior developers, promoted Agile best practices, and collaborated cross-functionally to deliver high-impact, reliable customer-facing features.
Julius H.
Last position:
Freelancer at Freelancer — Pharma Industry
- Led migration to GCP using Terraform, GKE, and GitOps, improving deployment consistency and scalability
- Implemented Datadog observability stack via Terraform and datadog-operator
- Established automated end-to-end tests and on-call processes, improving incident response and service reliability
- Migrated from NGINX Ingress Controller to Kubernetes Gateway API (NGINX Gateway Fabric)
- Migrated stateful services (PostgreSQL and Redis) to GCP, improving scalability and operational reliability
Jorge N.
Last position:
Senior Developer at NDA
AI Platform Backend – Senior Developer
Hired to design and build an AI platform backend from the ground up, including multi-provider LLM orchestration and real-time infrastructure for AI influencer personas at scale.
Tasks and Responsibilities
- Architected and implemented a multi-LLM orchestration layer with Semantic Kernel to integrate GPT-4 and other providers for core platform logic and AI influencer personas, reducing model-switching overhead by abstracting provider APIs behind a unified interface.
- Designed and developed a backend from the ground up in C# / .NET 10, including domain modeling with DDD, a versioned RESTful API layer, and cloud infrastructure on Azure.
- Built real-time chat infrastructure with Server-Sent Events (SSE), message persistence, and delivery guarantees for running AI influencer personas live at scale.
- Developed a media management service with cloud object storage integration for uploading and retrieving influencer-generated content.
- Created an integration and unit test suite with data seeding for reliable regression testing across all core platform flows, significantly reducing the production error rate.
Tools and Technologies: C#, .NET, ASP.NET Core, Python, TypeScript, MySQL, Semantic Kernel, EF Core, Minimal APIs, LLM Orchestration, Prompt Engineering, Agentic AI, Generative AI, AI-Assisted Engineering, Claude Code, GitHub Copilot, Google Gemini, OpenAI API, Ollama, Redis, Azure, Azure Container Apps, Azure Database for MySQL, Docker, GitHub Actions, Clean Architecture, Vertical Slice Architecture, CQRS, Domain-Driven Design, REST API, xUnit, Integration Testing, Unit Testing, Jira, Confluence, Scrum
Abed D.
Last position:
Co-Founder, Product Manager at HODL It!
- Cut first-30-day post-subscription churn 45% to 20% by revamping onboarding and optimizing time-to-value.
- Drove 3x LTV in 6 months through retention and monetization experiments across the customer lifecycle.
- Owned app redesign and feature delivery leading to lifting active-user NPS from 6.3 to 8.5.
Hendrik W.
Last position:
Software Test and Maintenance Support at Anton Paar ProveTec GmbH
- Adding/creating test specifications
- Performing regression tests
- Performing release tests
- Analyzing Jira tickets
- Identifying software defects and fixing them with C#
Nada S.
Last position:
Freelance Senior Frontend Engineer at Self-Employed
- Senior software engineer focused on React, TypeScript and AI-assisted product workflows
- Build frontend systems for complex SaaS products, internal tools and operational workflows
- Recent work includes AI evaluation tooling, support reliability analysis and developer-focused QA systems
- Available for freelance and contract engagements, especially remote-first projects
Rüdiger S.
Last position:
Full-Stack Software Engineer / Consultant for Digitalization at ARTEVENT
Designed, built, and launched an internal event planning web application used by over 100 department leads for a large event, despite having no dedicated testing phase.
Ensured smooth, failure-free operation during first production use, leading to the tool being adopted for future events.
Automated catering calculations and related workflows, significantly reducing email communication and manual computation effort for meal planning.
Managed deployment and hosting on a Linux server using Coolify, including application setup and runtime operations.
Hired and guided a communication designer on UX while independently owning all technical decisions and implementation.
Jorge P.
Last position:
Software Engineer – AWS and Kubernetes Specialist at Citti
- Creation, maintenance and hardening of Kubernetes clusters employing Ansible and ArgoCD
- Keywords: Ansible, AWX, Kubernetes, NetApp, Prometheus, CI/CD ArgoCD, SSO, Fluent-bit, HAProxy, Calico, Keycloak, oauth2-proxy, SealedSecrets, kubeseal, Aqua kube-bench, CIS-Benchmarks, Aqua Trivy operator
Discover over 15,000 top freelancers
Statistics of experts using MySQL
Aggregated from the professional profiles of matched freelancers.
Experience
17 years (Germany: 20 years)
Position duration
3.1 years (Germany: 5.2 years)
Positions per freelancer
11 (Germany: 13)
Top business areas
Information Technology, Product Development, Quality Assurance
Top industries
Information Technology, Media and Entertainment, Banking and Finance
Certification focus areas
Information Technology, Product Development, Project Management
Bachelor's degree or higher
91% (Germany: 87%)
Master's degree or higher
51% (Germany: 54%)
Doctorate
8%
Certifications per freelancer
2
Most common languages
English, German, Spanish
Speak two or more languages
95% (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 Berlin 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 Berlin using MySQL
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.
MySQL 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 (95%)
- Media and Entertainment (42%)
- Banking and Finance (41%)
- Education (36%)
- Retail (35%)
- Professional Services (33%)
- Automotive (29%)
- Manufacturing (27%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
Relational foundation
MySQL is an open-source relational database management system used to store, organize and query structured data. It supports transactional applications, reporting systems, customer portals, commerce platforms and internal business tools. Teams choose it for its mature SQL model, broad hosting support and strong application ecosystem.
Application workloads
MySQL commonly runs behind web and mobile applications that need dependable reads, writes and relationships between records. It supports user accounts, product catalogues, orders, payments, content, permissions and operational reporting. In Berlin, companies across commerce, media, logistics and software use it as part of customer-facing and internal systems.
Ecosystem and tooling
MySQL work extends beyond writing SQL. Strong specialists work with InnoDB, replication, backups, migrations, connection pooling and monitoring, while integrating with application frameworks, containers and cloud services.
- Model tables, indexes, constraints and relationships
- Tune queries with execution plans and schema changes
- Automate migrations, backups and recovery checks
- Connect MySQL to APIs, data pipelines and reporting tools
When expertise matters
Companies often bring in freelance MySQL professionals when a database has become slow, difficult to change or risky to operate. They may need help during a migration, a traffic increase, a recovery review or a redesign of an application’s data model.
- Queries remain slow despite application-level fixes
- Production changes lack a safe migration process
- Replication, backups or failover need validation
- The schema no longer reflects business requirements
Quality signals
A strong MySQL expert explains trade-offs in plain language and tests changes against realistic workloads. They understand locking, isolation, indexing, transactions and failure recovery rather than optimizing isolated queries without considering the full system. They also document decisions so in-house teams can maintain the database.
Collaboration in Berlin
MySQL projects can be handled remotely or through on-site collaboration in Berlin, depending on access requirements and team routines. Clear documentation, secure credentials, structured reviews and agreed ownership matter in both settings. Look for professionals who can work closely with application, infrastructure and data teams and communicate confidently in the languages your project requires.
Frequently asked questions
Everything clients usually want to know about MySQL, in one place.
MySQL stores and retrieves structured data for websites, business applications, commerce systems, content platforms and internal tools. It is well suited to workloads that depend on relational data, transactions and clear consistency rules.
MySQL and PostgreSQL are both mature relational databases, but they differ in features, defaults, extensions and operational conventions. The right choice depends on the application’s data model, query patterns, hosting environment and team familiarity rather than on a universal ranking.
MariaDB began as a compatible fork of MySQL and still shares many concepts, tools and SQL patterns. Compatibility can vary across versions and features, so a specialist should check the exact schema, queries, drivers and operational requirements before treating them as interchangeable.
MySQL work often benefits from expertise in SQL, data modelling, Linux, cloud infrastructure, containers, backup systems and application integration. Experience with monitoring, migrations, replication and security is especially useful when the database supports a critical production service.
MySQL projects need different levels of expertise depending on their risk and scope. A simple application database may need solid schema and query skills, while a high-traffic or business-critical system calls for proven work with performance, recovery, replication and controlled changes.
MySQL projects are often suitable for remote collaboration because schemas, queries, migrations and monitoring can be reviewed through secure tools. On-site work in Berlin may still help when access controls, legacy systems or close coordination with local teams make physical presence valuable.
MySQL quality is visible in clear data models, measured query improvements, tested migrations, reliable backups and useful documentation. Ask a specialist to explain trade-offs, failure scenarios and how they would validate changes without risking production data.
MySQL expertise is valuable when a short-term problem needs focused attention or when the internal team lacks deep database experience. Freelance professionals can review bottlenecks, plan migrations, improve operational safeguards or support a Berlin team during a demanding delivery phase.
The average hourly rate of freelancers in Berlin, Germany who have used MySQL in their recent projects is 94 €, which corresponds to a daily rate of about 748 € based on an 8-hour working day.
Of the freelancers in Berlin, Germany who have used MySQL in their recent projects, 91% hold at least a Bachelor's degree, 51% hold at least a Master's degree, and 8% hold a doctorate.
On average, freelancers in Berlin, Germany who have used MySQL in their recent projects have 17 years of professional experience, with a single engagement typically lasting around 3.1 years.
The most common languages among freelancers in Berlin, Germany who have used MySQL in their recent projects are English (98%), German (93%), and Spanish (12%).
The most common industries among freelancers in Berlin, Germany who have used MySQL in their recent projects are Information Technology (95%), Media and Entertainment (42%), and Banking and Finance (41%).
The most common business areas among freelancers in Berlin, Germany who have used MySQL in their recent projects are Information Technology (98%), Product Development (86%), and Quality Assurance (48%).
Main locations of FRATCH Experts, who have recently used MySQL
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 
Stuttgart 
Dusseldorf 
Leipzig 
Dortmund 
Essen 
Bremen 
Dresden 
Hanover 
Nuremberg Request a free demo
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FRATCH CEO
