SQL Experts in Vienna
matched in minutes from over 15,000 CVs with the power of AIHire experts who design robust database schemas, optimize complex queries, and manage enterprise data warehouses. FRATCH connects you with vetted, available freelance database specialists in Vienna to ensure your data infrastructure is fast, secure, and scalable.
Meet FRATCH Experts in Vienna, who have recently used SQL
Chrisabel Prischl
Last position:
AI Systems & Product Strategy Expert at Webmeisterin
I build. I advise. I think in systems. After years leading digital transformation at scale — Accenture, BP, Lidl — I made a deliberate choice: trade platform dependency for structural independence. My focus is at the intersection of AI systems, product strategy, and venture thinking. I work with operators and founders who want to move fast without losing control — of their data, their stack, their direction.
John Ampia-Addison
Last position:
Software Developer and DevOps Engineer at Bundesrechenzentrum (BRZ)
Refactoring and improving core APIs; implementing client change requests. Setting up metrics, traces, and logs monitoring infrastructure to support operations. Designing GitOps deployment and infrastructure as code. Applications and Systems Configuration in ArgoCD and Openshift. Confluence documentation of design, approach, and solution. Tech Stack: Java 8 & 21, Spring framework, JSP, Javascript, Bash Scripts, SQL, Grafana Stack, Opentelemetry, Docker, DB2, Maven, Kubernetes Kompose.
Stefan Dangubic
Last position:
BI Consultant in Controlling at Reutter GmbH
- Extraction, transformation, and cleansing of data from Microsoft Dynamics AX
- Creation of sales reports in Power BI
- Training employees in business intelligence
- Technologies: Power BI, SQL, SQL Server Integration Services (SSIS)
Burak Elalmis
Last position:
Senior Software Engineer at Nürnberger Versicherung
Further development of an insurance product quotation system
- Implementation and maintenance of pricing logic for property and casualty products (accident, property liability, business contents) based on Java and FaktorIPS
- Implementation of actuarial tariff revisions into product-specific calculation models
- Development and refactoring of backend components and web UI components
- Creation and maintenance of test tables and automated premium tests for quality assurance
- Code reviews and active involvement in quality assurance in the development process
- Production support and bug fixing in live operations
Michael Okang
Last position:
Gas station attendant at Shell
- Accurate handling of customer transactions under time pressure, including cash and register processing with high care
- Reliable, consistent performance in a fast-paced, customer-focused environment; strengthened organization and multitasking skills
Marcel Steger
Last position:
Senior AI Engineer - Python at Insurance Company
Project Tech Stack: Python, AWS, Azure, FastAPI, openai, pandas, unittest/pymock
Achievements:
- Engineered automated data extraction pipelines to transform complex Excel datasets into structured formats via LLM-driven workflows.
- Architected a generative slide-deck engine that translates natural language prompts into formatted presentation assets.
- Integrated advanced LLM capabilities with the OpenAI Response API, implementing sophisticated tool-calling and structured output logic.
- Developed and containerized scalable backend microservice using FastAPI, Docker, and OpenShift to host and serve agentic skills.
Shahram Fallahdoust
Last position:
Senior Product Owner at Elderly Neighbour Watch
Delivered a digital, non-profit neighborhood platform to connect older adults with volunteers for practical support and social companionship. Responsible for business analysis, requirement definition, platform evaluation and delivery of a locally scalable service solution focusing on AI-driven enhancements, data-based optimization and clear market positioning. Evaluated several low-code/business platforms including Odoo and Glide Apps and assessed monday.com as a CRM-like option before selecting Glide Apps for implementation. Implemented a non-native mobile and desktop application with Glide Apps and the web presence with WordPress. Tasks
- Gathering, analyzing and structuring business requirements for the product and service model
- Conducting market, target group and competitor analyses to position the offering
- Evaluating and selecting suitable low-code/business platforms for implementation
- Defining core user journeys, business processes and operational workflows for older adults, volunteers and administration
- Translating business requirements into functional requirements for profiles, task management, coordination, communication and notifications
- Guiding the implementation of the non-native mobile and desktop application in Glide Apps as well as the web presence in WordPress
- Preparing the business side for future AI-powered features such as intelligent matching and data-based optimization
- Ensuring compliance with GDPR requirements Results
- Successfully delivered digital support platform connecting older adults with volunteers
- Solid foundation for market positioning through market, target group and competitor analyses
- Delivered a functional non-native mobile and desktop application with Glide Apps and a supporting web presence with WordPress
- Established foundation for scaling and AI-based further development
Daniel Auferbauer
Last position:
Solution Architect and Fullstack Developer at IoT Sensor Data Processing and Evaluation
- Develop a concept for the analysis of sensor data.
- Assess implementation options, products, and pricing in Azure.
- Present and advocate the solution concept to the client.
- Implement an ETL pipeline for processing sensor data.
- Integrate BI solutions with the data repository.
- Provide documentation and support for end users.
Damir Dudakovic
Last position:
Senior IT Consultant at Dudakovic e.U.
- Consulting in national and international projects in various roles and sectors (banking and finance, public sector, telecommunications, data management, software development)
- Engaging in project management, requirements management, business analysis, process management, IT consulting and coaching
- Delivering sustainable value quickly and efficiently due to high complexity and diversity of projects and expertise
- Emphasizing collegiality and integrity and fostering a positive team atmosphere
Fabio Galvagni
Last position:
IT Architect, Requirements Analyst and Consultant at CANCOM
- Supports CANCOM customers in migrating legacy on-prem systems to Microsoft Fabric and Microsoft Foundry
- Takes over and stabilizes existing solutions after a short handover
- Business analysis and requirements engineering for migration to a new cloud environment
- Optimization of machine learning models for feature extraction and customer profiling
- Ensures data protection and compliance
- Leads the migration of on-prem systems to Microsoft Fabric
- Designs new AI platforms for clients
- Tests the integration of chatbots for document intelligence with Microsoft Foundry, including requirements analysis, implementation, validation, and client communication
Ãœsame Turhan
Last position:
Java Backend Developer at Porsche Informatik
- Java EE 8 development
- Java 21 and Spring Boot 3 microservices development
- Release management
- Onboarding of new team members
- Owner of an team-internal "Best Code Engineering Award"
Matthias K.
Last position:
Business Architect at E5GTEC
- Analysis of extended requirements related to existing controllers in an industrial plant
- Creating concepts for storing and visualizing sensor data
- Communication with PLCs
- Microservice architecture
- Unified architecture
- AI-based evaluations of sensor data
- Technologies used: .NET 8, Minimal API, Postgres, MQTT, RabbitMQ
Frank Welk
Last position:
Software Development at REI and EMI
- Code review, bug fixing, and new development of program code in PL/SQL and Oracle Forms
- Migration of the database version to Oracle 12/19 and migration of the Oracle Forms environment from client-server to web (6i → 12c)
- Fixing blocking sessions and implementing new workflow requirements
- Use of PL/SQL packages, procedures, functions, database triggers, batch files, and Java applications
- Revision of screen masks based on Oracle Forms and client-side PL/SQL code
- Business handling of issuing and processing vouchers (REI = Reimbursement; EMI = Emission), including billing with acceptance partners
- Agile development based on SCRUM with monthly sprints and weekly coordination meetings
Michael Gonschor
Last position:
Scrummaster at Xenovo
Planning and monitoring sprints and holding the scheduled meetings
Analyzing and resolving issues in the development process
Error analysis, bug management and correction in individual process steps
Stakeholder management
Documentation and improvement of the development process
Tools: JIRA, Confluence
Mubin Içyer
Last position:
Software Engineer, Freelancer at Siemens-Linz
- Designed and implemented simulation software for electrical power systems, focusing on dynamic element interaction and user interface optimization using C++, wxWidgets, Windows, and Visual Studio.
Discover over 15,000 top freelancers
Statistics of experts using SQL
Aggregated from the professional profiles of matched freelancers.
Experience
20 years
Position duration
2.7 years
Positions per freelancer
11
Top business areas
Information Technology, Project Management, Product Development
Top industries
Information Technology, Banking and Finance, Professional Services
Certification focus areas
Information Technology, Business Intelligence, Product Development
Bachelor's degree or higher
90%
Master's degree or higher
73%
Doctorate
5%
Certifications per freelancer
3
Most common languages
German, English, French
Speak two or more languages
98%
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 Vienna 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 Vienna 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 30 Aug 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
About the technology
Relational Database Management in Modern IT Systems
Structured Query Language remains the undisputed standard for managing relational databases across global industries. Organizations rely on it to handle transactional data, generate analytical insights, and maintain data integrity across complex system architectures. Whether powering e-commerce platforms or enterprise resource planning systems, solid database design is critical for operational stability.
Core Engineering Deliverables
- Designing normalized database schemas that prevent data redundancy
- Writing optimized queries, stored procedures, and triggers for application backends
- Setting up indexing strategies to resolve performance bottlenecks
- Establishing backup, recovery, and replication protocols to secure business data
The Diverse SQL Ecosystem
Professionals in this field work across various database management systems, each tailored to specific business needs. The ecosystem includes enterprise-grade platforms like Oracle Database and Microsoft SQL Server, widely used open-source solutions like PostgreSQL and MySQL, and cloud-native data warehouses such as Snowflake and Google BigQuery. Experienced specialists seamlessly navigate these platforms to align with existing infrastructure.
Aligning with Vienna's Tech Landscape
Vienna has become a central hub for financial services, public administration, and growing software enterprises. Local projects often require specialists who can work on-site or in hybrid setups, respecting Austrian data governance standards and European GDPR compliance. Navigating these regional requirements while integrating legacy systems with modern cloud infrastructure demands seasoned professionals.
When to Bring in External Database Expertise
Companies often face critical moments where generalist knowledge is no longer sufficient. When application response times degrade under heavy user loads, or when planning a migration from on-premises servers to cloud platforms like AWS or Azure, external specialists provide immediate relief. They also step in during critical data warehouse modernization phases to build clean pipelines for business intelligence tools.
Qualities of Elite Database Professionals
Top-tier specialists possess a deep understanding of database internals, query execution plans, and concurrency control. They do not merely write working queries; they write efficient, maintainable code that scales with data volume. Additionally, they collaborate effectively with software developers and system administrators to ensure smooth integration across the entire technology stack.
Frequently asked questions
Everything clients usually want to know about SQL, in one place.
In Vienna, these professionals focus on database migration, query performance tuning, and schema design for local enterprises. They frequently collaborate with local development teams to integrate robust SQL databases into corporate IT environments, ensuring compliance with European privacy laws.
While all use SQL as their foundation, PostgreSQL is favored for its advanced features and extensibility, MySQL is highly popular for web applications, and Microsoft SQL Server is widely adopted in enterprise Microsoft environments. A qualified specialist can guide you on the best choice for your specific workload and licensing preferences.
A strong SQL professional often brings expertise in data integration tools, cloud platforms like Azure or AWS, and scripting languages such as Python or Bash. For analytics-focused roles, familiarity with data visualization tools like Tableau or Power BI is highly beneficial.
Slow queries directly translate to poor user experience and high cloud infrastructure costs. An expert in SQL optimization analyzes execution plans, refines indexes, and rewrites queries to ensure your applications remain fast and cost-effective even under peak load.
Yes, many SQL experts work entirely remotely or in hybrid models. Since database development and administration can be performed securely via remote connections, companies in Vienna can easily collaborate with specialists regardless of their physical location.
Quality is best assessed through past project success, technical case studies, and practical problem-solving discussions. Look for a SQL specialist who can clearly explain how they solved past performance bottlenecks or designed complex data models for similar businesses.
Absolutely. Many projects require moving data between relational systems and non-relational databases like MongoDB. An experienced SQL professional understands structural differences and can design ETL pipelines to safely migrate your data without loss.
For complex migrations, especially involving legacy enterprise systems, you should target a SQL specialist with several years of hands-on experience in data modeling and schema conversion. This minimizes the risk of downtime and data corruption during the transition.
The average hourly rate of freelancers in Vienna, Austria who have used SQL in their recent projects is 102 €, which corresponds to a daily rate of about 817 € based on an 8-hour working day.
Of the freelancers in Vienna, Austria who have used SQL in their recent projects, 90% hold at least a Bachelor's degree, 73% hold at least a Master's degree, and 5% hold a doctorate.
On average, freelancers in Vienna, Austria who have used SQL in their recent projects have 20 years of professional experience, with a single engagement typically lasting around 2.7 years.
The most common languages among freelancers in Vienna, Austria who have used SQL in their recent projects are German (100%), English (98%), and French (25%).
The most common industries among freelancers in Vienna, Austria who have used SQL in their recent projects are Information Technology (91%), Banking and Finance (50%), and Professional Services (45%).
The most common business areas among freelancers in Vienna, Austria who have used SQL in their recent projects are Information Technology (95%), Project Management (75%), and Product Development (68%).
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.
Countries:
Vienna 
Graz Request a free demo
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Philipp Thomaschewski
FRATCH CEO
