SQL Expert in Dresden
for reliable data systems, matched in minutes with vetted freelance professionalsHire experts who design relational data models, optimize complex queries and build reliable reporting pipelines with SQL, PostgreSQL, MySQL or Microsoft SQL Server. FRATCH matches you quickly and precisely with vetted, available freelancers.
Meet FRATCH Experts in Dresden, who have recently used SQL
Nikhil G.
Last position:
Co-founder / Solution Architect at Lima Care GmbH
- Developed a comprehensive business concept for a medical fall detection device based on a patented process registered in Germany
- Identified and collected use cases for medical device deployment in residential buildings and healthcare provider facilities
- Expanded the product scope to industry standards such as HL7/FHIR and designed a product based on modern communication protocols for IIoT
- Supported offshoring activities, defined SLA and scope-of-work documents for development teams after selecting various vendors
- Identified and selected hardware components (Terrabee, E-Con Systems) for LIDAR/TDOA functions
- Defined integrated AI features and LLM models for patient fall detection as well as AI-based audio triggers
- Oversaw the implementation of algorithms for object detection, fall detection, and false alarm identification
Srividhya S.
Last position:
PhD Student at KatherLab EKFZ for digital health TU Dresden
- Primary Research:
- Developed a compact (<700M parameters) generative vision-language model for whole slide image (WSI) by refining image tokenisation.
- Established an improved evaluation framework, including a curated question-answering dataset and metric selection.
- In preparation for submission.
- Collaboration:
- Conducting research in digital biomarker discovery in computational pathology (CPath) using AI methods.
- Collaborated on projects with international partners, including the Francis Crick Institute (Molecular biomarker prediction in Clear-cell renal carcinoma), HeCOG Greece (Lynch syndrome identification in colorectal carcinoma and Multimodal survival prediction for Prostate adenocarcinoma) and the National Cancer Center Hospital Japan (HIBIRD).
- The work with the Francis Crick Institute is currently being prepared for submission. The collaborative work in Japan has already been published, and the HeCOG projects are ongoing.
- Consortium:
- Manage inter-institutional collaboration and objectives as the KatherLab representative for the LiSYM Consortium.
- Teaching:
- Conducted online workshop sessions for two years at the Clinicum Digitale, educating physicians and medical students on the fundamentals of AI and Python skills.
- Led a multimodal foundation model workshop at the AI in Cancer Research Summer School in Corfu, organized as part of ESAC.
- Presented a talk on vision-language models at the AI in Medicine Summer School, a collaborative event by EKFZ, GENIAL, the TransformLiver Consortium, and ESAC.
Michael K.
Last position:
Atruvia AG
- Further development of framework components and services in the Enterprise Banking Control Platform (EGP Framework), a set of cross-cutting libraries and services for all bounded context scopes of the platform.
- Migration from Java 17 to Java 21 and from Spring Boot 3.2 to 3.4 in about 80 library and service repositories (updating Maven POMs, Dockerfiles, Jenkins pipelines, source code migration, test updates).
- Writing unit and integration tests with JUnit and JGiven.
- Performing and analyzing performance measurements with Dynatrace.
- Enhancing multi-stage CI/CD pipelines (unit tests, security analyses, Docker builds, Harbor deployments, ...).
- Tech stack used: Java (90%), Python (10%), Spring Boot, JPA/Hibernate, JGiven, OpenAPI, Camunda 7, Podman, OpenShift/Kubernetes, Oracle DB, SonarQube, Dynatrace, Jenkins, Harbor, Bitbucket, Jira, Confluence.
Dietrich C.
Last position:
Linux Systems Engineer at Personal Projects and Further Training
- Skills: ACLs, Android, Ansible, Apache, Backup, Bash, BindFS, Modern C++, CFEngine, ClusterSSH, CSS, CUPS, Debian, DHCP, DNS, dovecot, exim4, Firewall, FUSE, GIMP, Git, gnupg, HTML, IMAP, IPv4, Kerberos, LDAP, LineageOS, Linux, Mercurial, NAT, Networking, NFSv4, OpenPGP, OpenSSH, OpenSSL, OpenVPN, PHP, pxelinux, Python, RAID, Responsive Web Design, Routing, Shorewall, SMTP, SSHFS, SSL/TLS, systemd, TFTP, UPS, VPN, X11, XMPP
Michael M.
Last position:
Deutsche Bahn
- Implemented accessibility audit recommendations for the ICE onboard portal to improve usability for screen reader and keyboard users
- Migrated end-to-end tests from Cypress to Playwright
- Refactored components to meet accessibility standards
- Introduced Prettier for consistent code formatting
Ronny W.
Last position:
Project Manager at 50Hertz Transmission GmbH
- Migration of market communication / schedule management to AS4
- Initial planning of IT tasks in the form of a project plan, consolidating and verifying all tasks and, if needed, setting up project streams including effort estimation, tasks, resource allocation and availability
- Consulting with overall project management on project-related topics
- Aligning streams and tasks with each other, coordinating the above points with all project participants / sub-project managers / coordinators within the project
- IT project management and coordination
- Managing IT service providers (Robotron (eSales) and Arvato (B2B)) and ensuring a high IT quality standard based on SLAs/KPIs and regular reports
- Coordinating with 50Hertz key users, product owners, and process owners, as well as all four German transmission system operators as part of the project
- Cross-departmental, technical and project-oriented consulting, especially with the IT infrastructure, IT network, and IT security teams
- Managing project risks (internal and external) / risk buffers
- Actively communicating with sub-projects to minimize risks or identify bottlenecks regarding resource availability and meeting deadlines / sub-tasks within the project
- Actively mapping new requirements and emerging risks in the project and resource plan and coordinating with the affected sub-projects
Reinhard D.
Last position:
Continuing Education Data Analytics, Artificial Intelligence, Deep Learning, Machine Learning at Continuing Education
- Continuing education in Data Analytics, Artificial Intelligence, Deep Learning and Machine Learning
- Operating system: Windows
- Development environments: JetBrains PyCharm, Jupyter Notebook, Spyder
- Programming languages: Python 3.10
- Other technologies: Anaconda, Keras 2.10, NumPy, OpenCV, Pandas, Scikit-learn, Seaborn, TensorFlow 2.10, PyTorch
Rohan K.
Last position:
Personal Project at Strategic Initiative | Corporate Health and Wellness
- Initiated and led a cross-functional innovation initiative to evaluate scalable digital wellness solutions for enterprise environments, applying strategic product planning and user research methodologies.
- Developed a sustainable business model through analysis and contributed to the rollout strategy.
Jan M.
Last position:
Interface project at HR Solutions GmbH for Rhineland-Palatinate / BAMF at HR Solutions GmbH
- Developed an adapter from the central foreigner register to an internal application
- REST, JSON, OpenAPI, Spring Boot, Vue, Java, Maven, XAusländer
- Jira/Confluence/GitHub, Scrum+Kanban
Abdelrahman A.
Last position:
Internship in Software Development at Fraunhofer Institute for Photonic Microsystems
- Programming in Python to develop backend solutions and data processing tasks.
- Developing user interfaces with React.js to create intuitive and user-friendly applications.
- Designing and implementing a document management system to improve access, traceability, and updating of technical documentation.
Tim R.
Last position:
AI Engineer at Novo Nordisk
- Streamlining massive production processes serving millions of patients for Europe’s most valuable company
Matthias V.
Last position:
Senior .NET / Xamarin Lead Developer at Appsfactory GmbH
- Development of backend systems with ASP.NET and MS SQL, plus client integration via AngularJS.
- Responsibility for the architecture and implementation of cross-platform apps for iOS, Android, and Windows with Xamarin native & Xamarin.Forms.
- External Xamarin consultant for business partners.
Discover over 15,000 top freelancers
Statistics of experts using SQL
Aggregated from the professional profiles of matched freelancers.
Experience
17 years (Germany: 19 years)
Position duration
2 years (Germany: 5.1 years)
Positions per freelancer
13 (Germany: 12)
Top business areas
Information Technology, Product Development, Quality Assurance
Top industries
Information Technology, Energy, Banking and Finance
Certification focus areas
Information Technology, Product Development, Human Resources
Bachelor's degree or higher
100% (Germany: 90%)
Master's degree or higher
60%
Doctorate
30% (Germany: 9%)
Certifications per freelancer
4 (Germany: 3)
Most common languages
German, English, Arabic
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 Dresden 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 Dresden using SQL
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.
SQL 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%)
- Energy (42%)
- Banking and Finance (42%)
- Healthcare (42%)
- Professional Services (42%)
- Aerospace and Defense (33%)
- Education (33%)
- Manufacturing (33%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
Relational data foundations
SQL is the standard language for working with relational databases. Companies use it to define structured data, retrieve records, enforce relationships and support transactions. It powers operational software, analytics, finance systems, customer platforms and many internal business applications.
Databases and tooling
SQL expertise often spans several database systems and their surrounding tools:
- PostgreSQL, MySQL and MariaDB for web and business applications
- Microsoft SQL Server and Oracle Database for enterprise environments
- Query planning, indexing and transaction management
- ETL pipelines, data warehouses and reporting tools
- Git-based migrations, testing and deployment workflows
The syntax is broadly portable, but each system has distinct functions, performance characteristics and administration practices.
What professionals deliver
Strong SQL specialists translate business requirements into dependable data structures and queries. They create schemas, views, stored procedures and migration scripts, then connect them to application services or analytical workflows. Their work may also include data cleansing, integration and dashboard-ready datasets.
When extra expertise matters
Companies often bring in freelance SQL expertise when a database has become slow, difficult to change or hard to trust. A specialist can help during a migration, a reporting redesign, an application launch or an urgent performance investigation.
- Queries time out or consume excessive database resources
- Reports disagree because definitions and transformations are inconsistent
- A legacy database needs restructuring without disrupting operations
- Teams need a safe migration between database systems
Dresden companies can combine remote collaboration with focused on-site sessions when teams need workshops, handovers or direct access to local systems.
Skills around SQL
SQL rarely stands alone. Relevant adjacent skills include data modelling, database administration, Python, Java, .NET, REST APIs and cloud services. Depending on the assignment, professionals may also work with dbt, Airflow, Power BI, Tableau, Kafka or containerized deployment environments.
Judging quality
Look for professionals who explain trade-offs clearly and connect database decisions to business needs. Useful evidence includes readable query design, measured improvements, robust migration plans and careful handling of permissions, backups and sensitive data. They should test edge cases, document assumptions and leave the database easier to operate than they found it.
Frequently asked questions
Need clarity? These are the questions we hear most often about SQL.
SQL is used to create, read, change and delete data in relational databases. It also supports schema design, permissions, transactions, reporting queries and data preparation for applications or analytics.
SQL databases organize information into related tables and provide strong support for structured schemas and transactions. NoSQL systems can be more flexible for document, key-value or graph data, so the right choice depends on access patterns, consistency needs and how the data changes.
A strong SQL specialist may work with PostgreSQL, MySQL, MariaDB, Microsoft SQL Server or Oracle Database. Knowledge of one system transfers well, but production work still requires familiarity with its query planner, functions, indexing model and operational tooling.
SQL work often benefits from data modelling, database administration and software development experience. Depending on the goal, Python, Java, .NET, cloud data services, ETL tools, BI platforms or orchestration systems may also be important.
The required depth depends on the risk and complexity of the assignment. A reporting query may need focused analytical skill, while a migration or performance redesign calls for proven work with transactions, indexing, testing, backup strategy and production change control.
SQL specialists can usually work remotely when secure access, clear documentation and reliable communication are available. On-site sessions in Dresden can still help with discovery workshops, system handovers or work involving restricted environments, and language expectations should be agreed early.
Ask the specialist to explain query plans, data assumptions and failure cases in plain language. Review whether their work is readable, tested and maintainable, and whether they consider permissions, transaction behavior, monitoring and the effect of changes on existing applications.
Bring in a SQL specialist when slow queries, unreliable reports, a complex migration or unclear data ownership is blocking progress. External expertise is especially useful when the internal team lacks time to investigate safely or needs an independent review before a high-impact change.
The average hourly rate of freelancers in Dresden, Germany who have used SQL in their recent projects is 94 €, which corresponds to a daily rate of about 751 € based on an 8-hour working day.
Of the freelancers in Dresden, Germany who have used SQL in their recent projects, 100% hold at least a Bachelor's degree, 60% hold at least a Master's degree, and 30% hold a doctorate.
On average, freelancers in Dresden, Germany who have used SQL in their recent projects have 17 years of professional experience, with a single engagement typically lasting around 2 years.
The most common languages among freelancers in Dresden, Germany who have used SQL in their recent projects are German (100%), English (100%), and Arabic (17%).
The most common industries among freelancers in Dresden, Germany who have used SQL in their recent projects are Information Technology (100%), Energy (42%), and Banking and Finance (42%).
The most common business areas among freelancers in Dresden, Germany who have used SQL in their recent projects are Information Technology (100%), Product Development (92%), and Quality Assurance (67%).
Main locations of FRATCH Experts, who have recently used SQL
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 
Stuttgart 
Dusseldorf 
Leipzig 
Dortmund 
Essen 
Bremen 
Hanover 
Nuremberg Request a free demo
Get in touch with the FRATCH team and we will get back to you within 4 hours.
Would you rather directly get in touch?
We always have the time for a call or email!
Philipp Thomaschewski
FRATCH CEO
