T-SQL Experts in Frankfurt
matched in minutes by AI from over 15,000 CVsHire experts who design SQL Server databases, tune complex queries, build stored procedures and support reporting workloads. FRATCH connects you with vetted, available freelancers whose T-SQL experience fits your project with fast, precise AI matching.
Meet FRATCH Experts in Frankfurt, who have recently used T-SQL
Peter V.
Last position:
IT Administrator at SEAT Deutschland
- Creating concepts and architecture for domain integration (SEAT into the VW structure)
- Domain trusts and administration
- Operation and administration of Windows 2022/ 2025 servers and domains
- Domain restructuring
- GPO and SG editing and migration
- DNS restructuring and migration
Technologies: Windows 2022, Active Directory, ADFS, AD Azure Connect, DHCP, DNS, GPO, VMWare vSphere, Hyper-V, Powershell, Jira, MS Office 365,), SCCM, VSAN Fileservices, Approximately 800 servers, 400 users
Umut G.
Last position:
Data Architect at BA Technology
I am an experienced data engineer specializing in end‑to‑end data integration, cloud DWH architectures, and high‑quality, governed data products.
I delivered following projects and engagements as a freelancer.
- Data Migration of CRM System for AL-FA Objekt Service Gmbh
- Microsoft Software Resales Partnership
I am looking for freelance roles like: Freelance Data Engineer Cloud Data Warehouse Architect Data Modeling & Architecture Consultant MDM & Data Governance Specialist BI & Analytics Developer
Technical Focus Areas
- Data Engineering & Integration: SQL Server/SSIS, Informatica PowerCenter/IDQ, Talend, Kafka, Azure Data Factory – Delta/CDC/ELT patterns, robust pipelines, monitoring/recovery, data lineage & impact analysis, medallion architecture Bronze/Silver/Gold layers
- DWH & Cloud: Azure SQL / Data Lake / Synapse, AWS Redshift/S3, on‑prem SQL/Oracle – scalable data marts with a strong cost/benefit focus.
- Data Modeling: Atomic (Inmon) and Dimensional (Kimball), Data Vault (Linstedt), Domain‑Driven Design, clear lineage & contracts.
- MDM & Governance: Informatica MDM, IBM MDM, stewardship processes, data quality rules, survivorship/XREF, catalog/glossary, SIF/BES/REST publication.
- Analytics/BI: Power BI, SSAS, Cognos – business‑ready, maintainable data products.
Justina K.
Last position:
Freelance Consultant for Change & Data Transformation at Freelance Fast Data Consulting
Project, Strategic Consulting – building the Data Strategy and Data Governance Policy for the German branch, client (private bank Julius Bär, headquarters Zurich), March 2026 – present
- Design and negotiation of the data strategy with key stakeholders, including obtaining board sign-off (strategic consulting) – in this context, regulatory advice on data regulations in the EU and specifically for Germany. The data strategy includes: Data Lifecycle Management: data capture, data storage, data usage, data retention policy, data quality incident management
- Definition of milestones and technical feasibility for implementing TOM for the data strategy, data quality checks, metrics, and a metadata inventory to ensure the bank’s compliance with DORA, BCBS239, and MaRisk requirements.
Core project data change, client: (ING Bank, Frankfurt am Main), March – December 2025
- Concept development and solution design for new end-to-end processes including technical interfaces
- Definition of synchronization logic and data flows between legacy and target systems (decommissioning of legacy systems)
- Analysis and validation of data models
- Stakeholder communication with product owners, feature engineers, UX designers, and operational teams for decision-making
- Analytics and impact assessments, e.g. to assess downstream effects and regulatory requirements
- Documentation and comments on technical and business requirements to support implementation in agile squads
Project digitalization of a user group, client: (ING Bank, Frankfurt am Main), as Interim Product Owner, Jan 2025 – present
- Co-shaping key decisions on data architecture and process logic in the context of historized data and user login functionality
- Development of business solution concepts for migration to the target system, including system integration and data flows
- Support with analytics and impact analyses, especially regarding the ability to provide information to law enforcement authorities
- Active coordination with stakeholders from different squads to support decision-making and ensure regulatory requirements are met
- Creation of test scenarios for operational teams and backend systems in the area of API management using Postman and Bruno.
Monika T.
Last position:
Senior ETL Lead at Takeda GmbH
- Led design, development, and deployment of data solutions supporting a major pharma acquisition for Takeda Pharmaceutical Company, delivering transparency reporting systems across Azure,Databricks (Python and Shell Scripting) platforms.
- Owned,Designed and developed scalable ELT pipelines to process Customer and Product data using Azure, complex SQL, Databricks, and shell scripting, enabling efficient data integration and processing across multiple sources including job orchestration and workflow automation.
- Implemented performance optimization techniques (query tuning, parallelism, workload optimization), improving system efficiency and processing time.
- Applied strong analytical and problem-solving skills to assess technical solutions and support business requirements for compliance and transparency reporting.
- Designed scalable data foundations suitable for downstream analytics and AI workloads.
- Led data quality initiatives by assessing multiple source data, defining quality metrics, and establishing processes for monitoring and continuous improvement.
Lutz H.
Last position:
Developer for Oracle Forms, PL/SQL, Java at AIG Europe S.A.
- Development and implementation of backend components with PL/SQL and Oracle Forms 12c. Adaptation and further development of the policy administration system. Technical consulting in UI design with a focus on integrating existing Oracle Forms and the requirements of the BIPRO framework.
- The project takes place in the technical environment of BIPRO, SQL databases and Oracle Forms applications. The assigned work includes backend development and technical further development in the above project with the following tasks:
- Development and implementation of backend components with PL/SQL and Oracle Forms 12c to technically map the business processes and ensure a stable and efficient system architecture
- Adaptation and further development of the policy administration system to ensure system functionality in line with the requirements of the new broker communication program
- Analysis of the existing system to identify and avoid errors and technical problems during implementation, in order to enable a smooth transition to the new system
- Carrying out patching and further development of existing Oracle and Oracle Forms applications to ensure compatibility and security of the systems in use
- Technical consulting in UI design with a focus on integrating existing Oracle Forms and the requirements of the BIPRO framework.
Label: PL/SQL, Java, Oracle RDBMS and Oracle Forms
Dimitrij N.
Last position:
Logistics Designer / Network Designer at Deutsche Bahn Cargo
- Requirements analysis, design, and development of a product for freight logistics (dispatching, planning, timetable and network optimization)
- Documentation of technical focus areas and support with acceptance and integration testing
- DBMS-agnostic modeling and mathematical algorithms for optimization with solver integration (Gurobi, Cplex, Coin-OR)
- Implementation of service layer, automated testing, and integration with third-party systems
Benedikt R.
Last position:
Power BI developer at Mechanical Engineering (SME 500 emp.)
- KPI dashboards for inventory and goods received quality control & testing ETL, dataset, dataflows and report development, complex DAX solutions
Data sources: Dataverse, RDB, Excel
Tools: ETL, data modeling, data flows, Power Query, M, Power BI, complex DAX
- Capacity: 25%
Serkan K.
Last position:
Operation and Maintenance of Oracle Middleware Products at LBV - Landesamt für Besoldung und Versorgung Baden-Württemberg
- Patch management
- Support in database development
- Installation and upgrades of the following Oracle systems:
- Oracle Analytics Server (6.4)
- Oracle Enterprise Manager Fusion Middleware Control
- Oracle Data Integration Server
- Oracle BI Administration Tool
- Oracle WebLogic
Thomas F.
Last position:
Senior Fullstack Developer at DB InfraGO AG
- Frontend: new development in Angular
- Backend: new development in ASP.NET Web API
- Database: modeling, implementation, and operation based on Microsoft SQL Server
- Requirements management, design, and implementation
- Deployment, maintenance, operation
- Knowledge transfer to internal staff
- Agile development (SCRUM)
Petru K.
Last position:
Architect & Technical Team Lead & Senior Developer at Goetel GmbH
- Design, architecture & development/programming of ETL/ELT data pipelines, DWH, BI solution
- Technical project lead, POC – proof-of-concept creation
- Liaison between business units and technical teams
- Azure DevOps Boards & Jira
- Data modeling & data engineering – data warehouse & data mart
- Azure (Data Factory, Azure SQL, Azure DevOps CI/CD, Azure Data Lake V2, Business Central REST API, OData API, OAuth2 tokens)
- SharePoint lists & API for ADF, Firebird DB, Postgres DB, DB2
- Power BI (Power Query), DAX, Excel PBI add-on, GIS data
- Automated ETL process monitoring/logging, performance monitoring, error monitoring – capturing & resolution
- Index performance tuning & statistics monitoring, Transact-SQL
- Data security – MFA (multi-factor authentication) & OAuth2, MS Graph, Azure networks & firewalls, gateways, roles, user groups – with read/write permissions
- Sources – Vario Bill, Camunda, Radius, Geo Database, OTRS, PAST, MS Dynamics Business Central, Azure Blob Data Lake, SharePoint lists
Jihane T.
Last position:
Reporting and Business Intelligence Specialist at Union Investment
- Developing and implementing new reporting requirements based on Oracle DWH with various business intelligence systems (SAP Business Objects and Birt-Eclipse)
Discover over 15,000 top freelancers
Statistics of experts using T-SQL
Aggregated from the professional profiles of matched freelancers.
Experience
24 years (Germany: 23 years)
Position duration
2 years (Germany: 3 years)
Positions per freelancer
18 (Germany: 17)
Top business areas
Information Technology, Project Management, Product Development
Top industries
Information Technology, Automotive, Banking and Finance
Certification focus areas
Information Technology, Business Intelligence, Project Management
Bachelor's degree or higher
80% (Germany: 84%)
Master's degree or higher
40% (Germany: 56%)
Certifications per freelancer
5 (Germany: 3)
Most common languages
German, English, Russian
Speak two or more languages
91% (Germany: 95%)
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 Frankfurt 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 Frankfurt using T-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 29 Oct 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
T-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 (91%)
- Automotive (64%)
- Banking and Finance (64%)
- Transportation (55%)
- Telecommunication (55%)
- Education (45%)
- Manufacturing (45%)
- Professional Services (45%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
What T-SQL is
T-SQL, short for Transact-SQL, is Microsoft's procedural extension of SQL for working with SQL Server and Azure SQL. It adds variables, control flow, error handling, transactions and programmable database objects to standard SQL. Companies use it to store, transform and retrieve business data close to the database.
Where it is used
T-SQL supports operational databases, data warehouses, reporting systems and backend services that depend on Microsoft data platforms.
- Design relational schemas, tables, views and indexes
- Write stored procedures, functions and triggers
- Build ETL transformations and data validation routines
- Create queries for Power BI, SSRS and analytical workloads
Microsoft ecosystem
T-SQL specialists work across SQL Server, Azure SQL Database, Azure SQL Managed Instance and SQL Server on Azure Virtual Machines. Their wider toolkit may include SQL Server Management Studio, Azure Data Studio, SQL Server Agent, Integration Services and Analysis Services. Knowledge of PowerShell, .NET or Microsoft Fabric can support broader delivery, depending on the system.
When expertise matters
Companies often bring in freelance T-SQL expertise during database migrations, performance problems, reporting changes or major application releases. Specialist support is also useful when a small internal team needs to modernize legacy procedures, improve data quality or establish safer deployment practices.
- Queries time out or consume unexpected database resources
- Reports return inconsistent or difficult-to-trace results
- Legacy SQL Server logic blocks a migration or release
- New data feeds need reliable validation and transformation
Strong project delivery
A strong professional starts by understanding data relationships, workload patterns and business rules before changing queries. They use execution plans, indexing strategy, statistics and transaction design to improve performance without compromising correctness. Clear naming, focused procedures, useful comments and repeatable tests make database logic easier to maintain.
They also distinguish a quick workaround from a durable database design. Secure parameter handling, controlled permissions, backup awareness and careful release management matter when T-SQL supports critical operations.
Working with specialists
A project brief should explain the SQL Server or Azure SQL environment, the main workload, known constraints and the expected deliverables. Access can be handled remotely through approved tools, while workshops or migration cutovers may benefit from on-site collaboration. In Frankfurt, English is common in international teams; German may be relevant for local stakeholders and documentation.
The best fit combines hands-on T-SQL delivery with adjacent skills such as data modeling, query tuning, ETL, reporting, source control and cloud database operations. Ask for examples of comparable database work, how performance was measured, and how changes were tested before production.
Frequently asked questions
The facts hiring teams ask for most often when it comes to T-SQL.
T-SQL is used to query and modify data in Microsoft SQL Server and related Azure SQL services. It also supports stored procedures, functions, triggers, transactions, error handling and data transformation routines.
T-SQL includes the core SQL language but adds Microsoft-specific procedural features. Variables, conditional logic, temporary objects, transaction controls and error handling make it suitable for application logic and database automation.
A T-SQL specialist can help when queries are slow, database logic is difficult to maintain, reports are unreliable or a SQL Server migration carries operational risk. They can also support schema design, stored procedure development and data quality improvements.
A strong T-SQL professional often brings skills in relational data modeling, indexing, execution-plan analysis and transaction design. Experience with SSIS, SSRS, Power BI, Azure SQL, source control or application integration can be important for end-to-end delivery.
A T-SQL project needs experience matched to its risk and scope rather than a fixed tenure. Straightforward query work may need focused SQL skills, while migrations, high-volume workloads and critical reporting require proven performance tuning, deployment and troubleshooting experience.
Yes, T-SQL work is often suitable for remote collaboration through controlled access, documentation and screen-sharing sessions. On-site workshops in Frankfurt can still help with stakeholder discovery, migration planning or production cutovers, especially when German-language communication is required.
T-SQL is a natural choice when an organization relies on SQL Server, Azure SQL and Microsoft's reporting ecosystem. PostgreSQL and other systems may be preferable for different licensing, portability, cloud or feature requirements, so the decision should follow the workload and existing architecture.
Review how a T-SQL professional explains data correctness, execution plans, indexing decisions and failure handling. Ask for a clear test approach, measurable acceptance criteria and evidence that changes protect security, maintainability and production stability.
The average hourly rate of freelancers in Frankfurt, Germany who have used T-SQL in their recent projects is 90 €, which corresponds to a daily rate of about 724 € based on an 8-hour working day.
Of the freelancers in Frankfurt, Germany who have used T-SQL in their recent projects, 80% hold at least a Bachelor's degree and 40% hold at least a Master's degree.
On average, freelancers in Frankfurt, Germany who have used T-SQL 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 Frankfurt, Germany who have used T-SQL in their recent projects are German (100%), English (91%), and Russian (27%).
The most common industries among freelancers in Frankfurt, Germany who have used T-SQL in their recent projects are Information Technology (91%), Automotive (64%), and Banking and Finance (64%).
The most common business areas among freelancers in Frankfurt, Germany who have used T-SQL in their recent projects are Information Technology (100%), Project Management (100%), and Product Development (82%).
Main locations of FRATCH Experts, who have recently used T-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 Dresden Hanover Nuremberg 
Berlin 
Munich 
Cologne 
Dusseldorf Countries:
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