ETL Expert in Zurich
for reliable data pipelines, matched in minutes with vetted and available freelancersHire experts who design extraction, transformation and loading workflows, connect cloud and on-premise sources, and improve data quality across analytics systems. FRATCH matches you quickly and precisely with vetted, available freelancers for your ETL project.
Meet FRATCH Experts in Zurich, who have recently used ETL
Marco S.
Last position:
Business Analyst, Data Warehouse Developer at NRW.Bank
Business analysis for risk controlling.
Development of a data warehouse based on MS SQL Server with data from the FIS Cross-Asset Trading and Risk Platform (formerly Front Arena).
Implementation of ETL and transformation logic with T-SQL and Python (Jinja2 template engine).
Modeling and automation of data structures with Data Vault.
Creation of reporting and analysis reports with Microsoft Power BI, including user training and implementation.
Banashankari N.
Last position:
Senior IT Project Manager, Data and Integration Platform at MCH Group, Group IT
Led implementation of an Azure cloud-based, event-driven enterprise integration platform connecting Salesforce, Momentus(event) and ERP applications. Reduced overall costs by 60%, lowered operational errors to under 1%, and delivered on time.
- Led the full project lifecycle from initiation to delivery using agile and hybrid methods - platform vision, feasibility, technical blueprint, architecture, implementation, integration, testing, rollout and business adoption.
- Built the engineering team from the ground up, leading teams across Switzerland, Bulgaria and India using Scrum and Kanban; established Jira, Confluence, Asana and SharePoint for delivery and reporting.
- Established and managed frequent steering meetings, reporting that gave stakeholders transparency and drove key decision-making.
Bojan A.
Last position:
Full Stack Developer with Angular at Further Education
- Highest level achieved: Certified Mid-Level Angular Developer
- 13 technologies newly learned or refreshed with (re-)certifications
- Current: Docker, Azure, Quarkus
Dariusz K.
Last position:
Business System Analyst at Zurich Insurance
Participating in a strategic enterprise project to introduce a centralized customer data platform ("Single Source of Truth") to eliminate redundant data storage and accelerate digital services
Analyzing and documenting business and system requirements for migrating large, heterogeneous data sets (ETL) and for continuous data synchronization between core systems and the new platform
Close collaboration with business units, data engineers and architects to gather and validate requirements, and to ensure data quality, consistency and regulatory compliance
Defining the migration strategy, specifying ETL processes and synchronization mechanisms, and documenting technical interfaces
Developing and executing test cases for migration and synchronization processes, and performing defect analysis to ensure data integrity and system stability
Technologies: SQL, Microsoft SQL Server, Azure DevOps, Confluence, UML, RESTful Services, Swagger, Postman
Matthias I.
Last position:
Fractional CTO (Principal Engineer / Technical Architect)
- Designed large-scale systems and APIs serving thousands of concurrent users.
- Refactored a 650k-LOC monolith and led full AWS migration for stable performance.
- Introduced SLO-based observability, improving reliability and recovery flow.
- Optimised cloud and databases, achieving significant cost and latency reduction.
- Delivered LLM, RAG, and document-automation pipelines adopted in production.
Csaba K.
Last position:
ServiceNow Consultant at DXC
- Worked in mixed teams with several clients
- Performed requirement engineering, proposal and time estimation
- Developed ACLs, business rules, flows, workflows, catalog items, various scripts, UI actions, policies, scoped applications
- Customized mobile apps: Now Agent and Now Mobile
- Implemented integrations using the Integration Hub
- Coordinated continuously with clients during development
- Performed testing and helped clients with testing
- Deployed to production and applied main version upgrades and patches
- Managed CMDB, domain separation and asset management
- Integrated between instances at different clients
- Developed GlideScript: business rules, scripted REST endpoints, extension points, fix scripts, background scripts
Daniel L.
Last position:
SQL, .NET and VBA Developer at Postfinance AG
- For the internal MIS, which gathers data in a complex, comprehensive system landscape and loads it into a central database via ETL, existing processes and packages had to be maintained and new KPIs analyzed, specified, and implemented.
Deschances T.
Last position:
Senior Data Architect at Odd Parrot
- Supporting UBS Wealth Management as Senior Data Architect within a multi-year enterprise data mesh transformation.
- Guiding a strategic stream to design and implement a data product aligned with UBS’s enterprise-wide data mesh framework.
- Leading architecture definition, governance alignment, and cross-domain integration to ensure scalable, compliant, and reusable data products across global stakeholders.
- UBS – Global Wealth Management Data Product Architecture: Designed an enterprise-aligned data product spanning 26 countries, defining data contracts, metadata standards, and federated architecture patterns enabling cross-domain reuse across the bank.
- Defined cross-jurisdictional data policies and access controls to ensure compliance with regulatory requirements across multiple regions (EU, APAC, LATAM, CH).
Viktors D.
Last position:
IT Consultant at Dundurs Consulting GmbH
- Supporting the implementation of a digitalization project in the area of nutrient balancing
- Analyzing complex business processes and interfaces to surrounding systems (data flows, dependencies)
- Designing processes for data retrieval, storage, and sharing, including plausibility checks and validation logic
- Creating and prioritizing user stories and guiding developers in agile sprints (clarifying acceptance criteria, conducting technical reviews)
- Supporting the Product Owner in defining functional and technical requirements
- Participating in the rollout process and delivering training for stakeholders
- Documenting processes, requirements, and interfaces (including records/changes for releases)
Oscar M.
Last position:
IT Specialist / DBA at Rothschild Private Swiss Bank
- Act as DBA SME for MS SQL Server and primary contact for MSSQL infrastructure and long-term technology roadmap in a critical 24/7 banking environment
- Maintain and evolve SQL infrastructure and monitoring system across development, test, UAT, and production environments (10 servers, 4 always-active Windows clusters, MSSQL 2014–2022 on VMs hosted by Inventix)
- Automate SQL operations using Brent Ozar scripts, PowerShell, and Inventix cloud script integration
- Build and improve ETL processes and BI applications (Power BI); plan resources and mentor BI team
- Participate in review, delivery, and deployment of database improvements across the software development lifecycle
- Migrate SQL Server instances from 2017 to 2019 and 2022
- Integrate new applications requiring MSSQL databases
- Manage and support on-premise and Azure SQL Server solutions; advise on industry standards, best practices, and creative database solutions
- Develop automation scripts for internal systems using PowerShell and Git
- Monitor systems with Splunk and Grafana; manage alerts, filters, data ingestion, and dashboard configuration
- Collaborate with operations, development, and business teams to identify and resolve operational and performance issues proactively
- Implement new SQL Server technologies such as Query Store, Extended Events, Tuning Advisor, and system traces
- Provide on-call support and regular maintenance during evenings and weekends
- Define and enforce system policies and standards; work closely with application managers, HR, and IT platforms in Switzerland and the UK
- Handle 2nd/3rd level support service requests; document resolutions and cooperate with vendors
- Use internal and external monitoring tools to detect performance trends and implement alerts and processes to prevent database issues
- Document and share knowledge to improve technical understanding across operations and development teams; administer Confluence (installation, configuration, document management, performance, upgrades)
- Work professionally in cross-functional teams to advise, influence, and coach development and operations teams on database topics
Karl E.
Last position:
incl. CI/CD, automation at AALS Software AG
- Designed and delivered a practical real-time course on Flink and Hadoop with MapReduce, HDFS, Spark, Flink, Hive, HBase, MongoDB, Cassandra, and Kafka
- Gained extensive DevOps and CI/CD experience
- Created ETL/ELT pipelines with Apache tools and Pentaho
- Led projects in municipal software, financial services, and big data with Kafka
- Developed AI/NLP models and chatbots with RASA, Chatter, and Dialogflow
- Built and managed a TypeDB knowledge database
- Worked with OpenStack, Kubernetes, and Podman
Nenad T.
Last position:
Contractor at Swisscom
- SAP Data Designer ETL, SQL Server, Docker for PharmaSuisse Data Warehouse Application (Application Manager and Developer)
- SAP Business Objects, ABAP on SAP HANA for the Police of the Canton of Bern (Application Manager and Developer)
- Avaloq Connectors to SAP BW for Banque Cantonale de Fribourg
Lars N.
Last position:
Coordinator of a scientific OpenSource project
- Coordination of a scientific OpenSource project
- Administration of publication in the IEEE proceedings
- Presentation at the most prominent international conference for neural networks (WCCI IJCNN 2022)
Discover over 15,000 top freelancers
Statistics of experts using ETL
Aggregated from the professional profiles of matched freelancers.
Experience
24 years
Position duration
2.8 years
Positions per freelancer
12
Top business areas
Information Technology, Product Development, Business Intelligence
Top industries
Banking and Finance, Information Technology, Professional Services
Certification focus areas
Information Technology, Product Development, Project Management
Bachelor's degree or higher
90%
Master's degree or higher
70%
Certifications per freelancer
6
Most common languages
English, German, French
Speak two or more languages
100%
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 Zurich 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 Zurich using ETL
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.
ETL experts industry focus
See which industries our matched freelancers work in most often — every figure is calculated live from the freelancers on FRATCH.
- Banking and Finance (92%)
- Information Technology (92%)
- Professional Services (62%)
- Insurance (54%)
- Government and Administration (54%)
- Manufacturing (38%)
- Healthcare (31%)
- Telecommunication (31%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
What ETL does
ETL means Extract, Transform, Load. It moves data from operational sources into a destination such as a data warehouse, lake or reporting system. During the process, specialists clean, standardize, validate and enrich data so it can support trusted analysis and business processes.
Typical data flows
ETL supports structured, repeatable movement between databases, applications and files. Common deliverables include:
- Batch pipelines for finance, sales, logistics and customer data
- Source-to-target mappings and transformation rules
- Warehouse loading processes for reporting and business intelligence
- Data quality checks, reconciliation and error handling
- Migration workflows between legacy and cloud systems
Tools and ecosystem
ETL work may involve Informatica, Talend, Microsoft SQL Server Integration Services, Apache NiFi or custom SQL and Python pipelines. Cloud services such as AWS Glue, Azure Data Factory and Google Cloud Data Fusion support managed integration. Workflow orchestration, scheduling, metadata management and monitoring are equally important.
When companies need specialists
Companies bring in freelance ETL professionals when a warehouse migration is blocked, reporting data cannot be trusted or new sources must be integrated quickly. Zurich organisations may also need specialists who can collaborate with local teams on site while coordinating remote work across international data and technology functions.
Skills that matter
Strong professionals understand source systems, relational databases, dimensional modelling and the business meaning of the data they move. They can document lineage, protect sensitive fields, optimize queries and design recoverable pipelines. Experience with APIs, cloud storage, SQL, Python, testing and observability helps them handle complex integration work without creating hidden dependencies.
Choosing the right professional
Look for someone who explains assumptions, defines data contracts and tests transformations against realistic cases. A reliable specialist can show how failures are detected, how loads are restarted safely and how changes in source data are managed. For Zurich-based collaboration, clarify on-site expectations, remote routines and the working languages needed by stakeholders before the engagement begins.
Frequently asked questions
Before you brief your next project: the most common questions about ETL.
ETL is used to collect data from operational systems, transform it into a consistent structure and load it into a warehouse, lake or other destination. Companies use it for reporting, analytics, migrations, regulatory workflows and integrated business processes.
ETL transforms data before loading it into the target system, while ELT loads raw data first and transforms it inside the warehouse or lake. The better approach depends on source complexity, target capabilities, governance needs and how quickly teams need access to raw data.
A capable ETL freelancer may work with Informatica, Talend, SQL Server Integration Services, Apache NiFi, AWS Glue, Azure Data Factory or Google Cloud Data Fusion. Tool choice matters less than the ability to model data, test transformations, monitor runs and document dependencies.
ETL work often requires SQL, Python, database administration, data modelling and cloud storage knowledge. API integration, workflow orchestration, data governance, security and business intelligence skills are also valuable when pipelines feed critical reporting.
The right level of ETL experience depends on scope, source-system complexity and the cost of incorrect data. A straightforward pipeline may suit a professional focused on implementation, while a migration or enterprise warehouse needs someone who can own architecture, testing, recovery and stakeholder decisions.
ETL projects are often suitable for remote collaboration because pipeline code, documentation and monitoring can be shared securely. On-site work in Zurich can still help when specialists must map processes with business teams, access controlled systems or coordinate closely during a migration.
Ask an ETL professional to explain source-to-target mappings, validation rules, monitoring and recovery procedures. Quality is shown by reproducible results, clear lineage, useful documentation and tests that cover duplicates, missing values, late data and changing source structures.
Before starting ETL work, clarify the source systems, target model, refresh expectations, data ownership and acceptance criteria. Also confirm access arrangements, security constraints, existing orchestration, documentation standards and whether collaboration with Zurich-based teams requires specific on-site or language arrangements.
The average hourly rate of freelancers in Zurich, Switzerland who have used ETL in their recent projects is 119 €, which corresponds to a daily rate of about 953 € based on an 8-hour working day.
Of the freelancers in Zurich, Switzerland who have used ETL in their recent projects, 90% hold at least a Bachelor's degree and 70% hold at least a Master's degree.
On average, freelancers in Zurich, Switzerland who have used ETL in their recent projects have 24 years of professional experience, with a single engagement typically lasting around 2.8 years.
The most common languages among freelancers in Zurich, Switzerland who have used ETL in their recent projects are English (100%), German (92%), and French (54%).
The most common industries among freelancers in Zurich, Switzerland who have used ETL in their recent projects are Banking and Finance (92%), Information Technology (92%), and Professional Services (62%).
The most common business areas among freelancers in Zurich, Switzerland who have used ETL in their recent projects are Information Technology (100%), Product Development (85%), and Business Intelligence (77%).
Main locations of FRATCH Experts, who have recently used ETL
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:
Zurich 
Geneva Basel Bern Request a free demo
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Philipp Thomaschewski
FRATCH CEO
