Microsoft SQL Server Experts in Dortmund
in minutes from over 15,000 CVs with vetted specialists and precise AI matching.Hire experts who design and tune SQL Server databases, write T-SQL, build reliable ETL and reporting flows, and handle backups, security, and migration work. Get fast, precise matching with vetted, available freelancers.
Meet FRATCH Experts in Dortmund, who have recently used Microsoft SQL Server
Diego Espinoza
Last position:
RPG Software Developer from RPG III to Free Format
- Development of software and system support for RPG development.
- Development, optimization and maintenance of programs in RPG (RPG II to ILE Free Format).
- Performing integration tasks, data management as well as applying and managing system updates.
- User support and training to ensure smooth system operation.
Jens Schneeweiß
Last position:
Network Technology at ISP, Internet Service Provider, BGP Peering
- Optimization of the transmission media of the data links in the Ruhr area
- Configuration/expansion of switches and routers for an autonomous system AS
- Improve the network protocols used Layer 2/3 (OSI model), RSTP, broadcast, etc.
- Laying cables, crimping, antennas, routers, switches
- Maintenance, expansion, selection and prioritization of troubleshooting measures for network monitoring (PRTG, The Dude)
- Organization and new connection of another BGP peering, data center, NGN fiber optic
- VPN IPSec site connections for 6 sites with PFSense, Fritzbox
- Configuration of WLAN devices (Mikrotik, UBNT
Label: TCP/IP, VLAN, BGP, OSPF, MPLS, VPLS, routing protocols, WLAN, EoIP, PPPoE, routing, SNMP, DHCP, DNS, NAT, native IP, VLAN, Ethernet, VoIP., switches and routers from: Nortel, Cisco, MikroTik, UBNT., network management systems: The Dude, PRTG, UISP
Volker Döch
Last position:
Developer at DV-Consulting und Entwicklung Volker Döch
- New development of a web app to manage and configure counting devices for large events
- Technologies: .NET 10, C#, Blazor, MudBlazor, MySQL, Git
Arkadius Sikora
Last position:
Architect; Senior Developer; Full Stack Developer; DevOps Lead at Bitmarck Holding GmbH
- Requirement engineering for Ombudsstelle and creation of technical user stories for EPA V3
- Handling of objections and revocations via mail and letter with high transaction mail volume
- Coordination with other teams on interfaces
- Design of a highly available, high-throughput solution on OpenShift with Java backend microservices
- Implementation and extension of microservices
- Infrastructure setup for deployment on OpenShift/Kubernetes including Jenkins pipelines
- Integration with BitIAM, TI-M Fachdienst, Consent Keeper and FDV
- Capture of requirements from DevOps operations and business units
- Continuous integration and Scrum practices
- Use cases: Kassenfusion, Opt-Out, Last Test, Widerspruchsmanagement
- Integration test automation and feature extensions including Spring Boot 3 updates
Thomas Grevenkamp
Last position:
Senior .NET / Cloud Engineer at Freelance
Building an observability and alerting solution for Business Central Job Queue monitoring
- Built a central monitoring solution to track the Business Central Job Queue in a multi-organization environment in Azure DevOps
- Integrated Azure Application Insights and Log Analytics for structured collection and analysis of job runtimes and error events
- Developed KQL queries for targeted analysis of failed jobs and detection of error patterns
- Connected Grafana and Power BI to visualize operational metrics and job status in real time
- Implemented an automated alerting workflow with Power Automate – when a job fails, a notification email is sent immediately
- Ensured transparency about the state of productive background processes during live operations
Result: Full transparency over failed Business Central jobs · Clear reduction in response time through automated email alerting · Stable foundation for proactive operation of productive background processes
Technologies: Azure DevOps | Application Insights | Log Analytics | KQL | Grafana | Power Automate | Power BI | Business Central | Azure Monitor
Mustafa Köse
Last position:
Consultant (MBR Designer) at Bayer AG
Introduction of an MES system in pharmaceutical production.
Support in replacing existing recipes by introducing an MES system.
Focus on converting cleaning and manufacturing AKBs into MBRs.
System environment: Werum PAS-X MES, GMP, SAP, Microsoft Office (Word, Excel), XML
Andreas Einzmann
Last position:
AI Coach and Consultant at Studio 8 Dortmund
- Setting up and consulting a startup for organizational development (AI-supported)
- Vision and mission workshops
- Marketing roadmap and process design
- Development of sales processes (sales funnel, lead generation)
- Brand building and social media omnichannel strategies
- Content generation for audio, video, and posts (AI-supported)
- Agile consulting and SAFe implementation
- Atlassian consulting and setup of Confluence and Jira (workflows, dashboards, reporting)
- Setup of a podcast and video studio including live streaming setup
- Selection and implementation of hardware and software
- Website creation and brand building
- CMS implementation based on Typo3
- Consulting in sales, marketing, and social media
- Supporting companies in the efficient use of AI technologies
- Strategy development and consulting on implementing AI strategies
- Change management and supporting teams in AI adoption, including training
- Technical expertise in machine learning, data processing, and large language models (LLMs) like Llama, Claude, and OpenAI GPT
- Selection, fine-tuning, and integration of LLMs into business processes
- Consulting on ethics and governance for responsible AI use
- Conducting tailored training for executives and teams
- AI analysis of various large language models (Llama, OpenAI, Mistral)
- Creation and training of custom GPTs focused on organizational development (product vision, OKR, agile maturity)
- Development of a chatbot on agile maturity
- Development of an AI-generated survey to assess organizational agility
- Setup of local offline GPTs with a focus on data protection and GDPR compliance
- Conducting AI workshops for SMEs and mid-sized companies
Hendrik Belitz
Last position:
Lecturer at Front and Fullstack Development Lecturer
- Teaching JavaScript, HTML, CSS, React, NodeJS, MongoDB, MariaDB, and Express
- Designing and preparing lessons
- Classroom teaching and one-on-one coaching
Yasin Yildiz
Last position:
DevOps Architect & Backend Developer at Schweizerische National Bank
- Architecting and enhancing the DevOps infrastructure in a regulated environment
- Migration, planning, and development from a monolith to microservices (ASP.NET Core)
- Building and maintaining CI/CD pipelines (GitLab, Jenkins) to support agile development
- Managing artifact repositories with JFrog Artifactory and security scans via Xray
- Migrating and integrating source code repositories (SVN → GitLab)
- Operating and configuring a container platform with OpenShift
- Automating deployments with Ansible, Helm, and the Ansible Automation Platform
- Implementing monitoring and alerting solutions with Prometheus
- Collaborating closely with the frontend development team to optimize build, test, and release processes
- Supporting the establishment of secure and scalable infrastructure processes (Secure SDLC)
- Documenting and sharing knowledge within the team
- Leading refinements and designing the backend architecture
Manfred Liebetrau
Last position:
Senior Consultant Information Security at Creditplus Bank AG
- Designing the information security process based on ITIL 4
- Designing the ITIL 4 incident and change management processes
- Creating information security policies for the bank
- Support in the project for internal audit findings
- Advising on the setup of the bank's internal control systems (ICS)
- Advising on setting up ICS processes
- Advising and supporting security architecture and risk analysis of the existing IT landscape, including IT security architecture, data management, data compliance & physical security
- Advising and project leadership for the security concept of the bank's assets
- Advising and support in contracts with external service providers to meet the bank's regulatory (BAIT; MaRisk; DORA; NIS2; GDPR) and information security requirements
- Support in planning and implementing a SOC/SIEM and risk management
- Support for the spam email team in analyzing and handling incidents
Andreas Niemann
Last position:
Freelancer at Freelance Work
Thomas Heller
Last position:
Head of Finance (Financial Controller) at Collins Foods Germany
- Built up the finance department after company start-up
- Implemented JD Edwards and SAP Concur
- Responsible for accounting and controlling with a team of 12 employees in the Netherlands and Germany
- Prepared annual financial statements including data preparation and coordination with auditors for audits
- Reported to the CFO, CEO and COO
- Networked and improved collaboration with external and internal partners
- Created budgets and forecasts
- Implemented new financial and invoice processing software
- Managed and controlled projects
- Optimized processes
Ilja Leyberman
Last position:
Software Engineer/Architect (Tech Lead) at Mercedes-Benz Tech Innovation GmbH
- Implementation of various interfaces for subsystems and connection to external devices (cameras, scanners, digital lockers)
- Development of various interfaces in the used cars area
- Realization of various prototypes
- Support in UI/UX and data analytics
- Development of frontend and backend solutions
- Kubernetes migration
- Building CI/CD pipelines
- Communication with the business unit and technical design of new solutions
- Cross-team alignment and coordination within the team
- Overview of the entire technology stack and related systems
- Documentation, preparation, and conducting of reviews
- Supporting the team and coordinating releases and key milestones
Henning Pankratius
Last position:
Siemens
- Developed a reporting API with RESTful services and Spring Boot
- LDAP integration
- Migrated services to AWS
- Bootstrap
- Frontend development with Angular 14
- JBoss
- DynamoDB
- S3
- Athena
Discover over 15,000 top freelancers
Statistics of experts using Microsoft SQL Server
Aggregated from the professional profiles of matched freelancers.
Experience
24 years (Germany: 23 years)
Position duration
2 years (Germany: 3.1 years)
Positions per freelancer
18 (Germany: 15)
Top business areas
Information Technology, Product Development, Operations
Top industries
Information Technology, Banking and Finance, Retail
Certification focus areas
Information Technology, Product Development, Project Management
Bachelor's degree or higher
57% (Germany: 84%)
Master's degree or higher
14% (Germany: 49%)
Certifications per freelancer
4 (Germany: 3)
Most common languages
German, English, Spanish
Speak two or more languages
100% (Germany: 96%)
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 Dortmund 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 Dortmund using Microsoft SQL Server
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
SQL Server work
Microsoft SQL Server is a relational database platform for systems that need structured data, transactions, and reporting. Companies use it for business applications, internal tools, ERP links, and analytics stores. Strong experts keep schemas clean, queries stable, and data safe under load.
Typical tasks
- Model tables, keys, indexes, and constraints
- Write and review T-SQL for stored procedures, views, and functions
- Tune slow queries and reduce blocking
- Set up backups, restores, and high availability
- Support reporting, integration, and data loads
Ecosystem and tools
A good SQL Server specialist works with SSMS, SQL Agent, Integration Services, and Reporting Services when they fit the stack. They also understand Windows, Azure SQL, Active Directory, and common monitoring tools. In Dortmund, this often matters for firms running line-of-business systems that must connect cleanly to local operations and remote teams.
When companies bring in help
Freelance expertise is useful during migrations, version upgrades, performance incidents, schema redesigns, and data integration projects. It also helps when teams need a second set of eyes on security, permissions, or recoverability. The best specialists leave behind clear scripts, documentation, and repeatable maintenance steps.
What strong specialists do
Strong professionals do more than write queries. They look at execution plans, storage layout, locking behavior, and the way applications use the database. They also communicate well with product, infrastructure, and analytics teams so the database design supports the real workload.
Hiring in Dortmund
In Dortmund, companies often need SQL Server experts who can work with German-speaking teams, join workshops on site when needed, and stay productive remotely for day-to-day delivery. Look for specialists who have handled production databases, migration plans, and recovery testing, not just routine query changes.
Frequently asked questions
The facts hiring teams ask for most often when it comes to Microsoft SQL Server.
Microsoft SQL Server is used to store and process business data for applications, reporting, integration, and analytics. It is a common choice for systems that need transactions, access control, and dependable backup and restore routines.
Bring in a specialist when the work involves performance tuning, migration, security setup, or a failed backup or restore. A strong SQL Server expert can shorten the path from symptoms to root cause and leave the team with a safer setup.
Microsoft SQL Server is often chosen when teams want tight integration with Microsoft tools, strong management tooling, and mature options for reporting and scheduling. PostgreSQL and MySQL are valid alternatives, but SQL Server is frequently preferred in Microsoft-heavy environments and legacy enterprise stacks.
A useful Microsoft SQL Server professional usually knows T-SQL, indexing, execution plans, and backup strategy. Familiarity with Power BI, SSIS, SSRS, Windows Server, and Azure SQL can also help, depending on the system.
That depends on the task. For a straightforward schema change, a focused Microsoft SQL Server specialist may be enough, while a migration or production performance issue calls for deeper operational experience and solid recovery know-how.
Most Microsoft SQL Server work can be done remotely if access, security, and communication are set up well. On-site time in Dortmund can still help for workshops, handovers, or projects where local teams want close coordination during key changes.
Look for clear examples of production work: tuning slow queries, handling restores, designing indexes, and managing permissions without guesswork. A strong SQL Server expert explains trade-offs in plain language and documents the final setup so the team can maintain it.
They usually refer to the same product family. Microsoft SQL Server is the full official name, while SQL Server and MSSQL are common search terms people use when they need the same database platform and related expertise.
The average hourly rate of freelancers in Dortmund, Germany who have used Microsoft SQL Server in their recent projects is 90 €, which corresponds to a daily rate of about 719 € based on an 8-hour working day.
Of the freelancers in Dortmund, Germany who have used Microsoft SQL Server in their recent projects, 57% hold at least a Bachelor's degree and 14% hold at least a Master's degree.
On average, freelancers in Dortmund, Germany who have used Microsoft SQL Server in their recent projects have 24 years of professional experience, with a single engagement typically lasting around 2 years.
The most common languages among freelancers in Dortmund, Germany who have used Microsoft SQL Server in their recent projects are German (100%), English (100%), and Spanish (29%).
The most common industries among freelancers in Dortmund, Germany who have used Microsoft SQL Server in their recent projects are Information Technology (86%), Banking and Finance (64%), and Retail (57%).
The most common business areas among freelancers in Dortmund, Germany who have used Microsoft SQL Server in their recent projects are Information Technology (93%), Product Development (79%), and Operations (71%).
Main locations of FRATCH Experts, who have recently used Microsoft SQL Server
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.
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Munich 
Cologne 
Frankfurt 
Stuttgart 
Dusseldorf 
Leipzig 
Essen 
Dresden 
Hanover 
Nuremberg Request a free demo
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Philipp Thomaschewski
FRATCH CEO
