SQL Experts in Switzerland
to shape reliable data systems, matched with vetted professionals in minutesHire experts who design relational databases, write efficient queries, build reporting pipelines and improve data quality across business systems. FRATCH matches you precisely with vetted, available freelancers who fit your project and can start fast.
Meet FRATCH Experts in Switzerland, who have recently used SQL
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.
Vincent V.
Last position:
IT Business Partner & Enterprise Architect at Sulzer
- Established the Enterprise Architecture function from the ground up for Sulzer Group (~13,500 employees, CHF 3.6B revenue)
- Defined the Technical Governance framework, Target Operating Model, and IT PMO foundation now governing architecture decisions and portfolio demand across all divisions.
- Deployed SAP LeanIX as the authoritative application portfolio system of record - catalogued 500 applications group-wide (140 for Chemtech), onboarded business and IT stakeholders, and initiated integration with ServiceNow to embed architecture data into operational workflows.
- Led the divisional & group wide Application Rationalization initiative
- Decommissioned 15% of the 140 applications Chemtech portfolio, delivering CHF 627k in run-rate savings over two years and materially reducing licensing and support exposure.
- Defined and executed the divisional AI Roadmap in partnership with Sales, Legal, and R&D leadership
- Delivered 4 AI solutions into production (including Sales process harmonization and LLM-based IP conflict detection) from a portfolio of 7 prioritized initiatives.
- Built and owned the 3-year IT Strategic Roadmap for Chemtech
- Aligned cloud and technology architecture with divisional business priorities and a CHF 1.5M annual investment envelope.
- Delivered CHF 500k in cost avoidance by challenging and discontinuing funded but low-value initiatives, demonstrated governance discipline and executive influence, with zero implementation spend.
Mike B.
Last position:
Freelance UX-Researcher, Designer at Bodensee Schiffsbetriebe; Labhard-Medien
- UX research, UX concept development, and UX design for an AI dialogue system with information on events, locations, public transport timetables, and special trips. Observations, remote user tests, session recordings, analytics evaluations, RapidUserTests, prototyping, etc., using Figma/Figma Make, Claude Design, and OpenAI Codex (Design)
Gwang Jin K.
Last position:
Data Scientist / Applied AI, Automation & Data Systems Researcher at Independent
- Built and explored applied GenAI, RAG, GraphRAG, local LLM, agentic AI and document-intelligence prototypes for structured analysis, evidence extraction, semantic search, technical reasoning and decision-useful reporting
- Developed private local-LLM workflows and AI system patterns focused on privacy, reproducibility, reviewability, low-cost inference and practical user control
- Built reproducible Python/R workflows for data analysis, automation, API-driven tooling, validation logic, technical documentation and AI-assisted software development
- Designed workflows around explicit assumptions, traceable inputs, reviewable outputs and failure-mode awareness rather than black-box “looks good” demonstrations
- Supported RAHN AG in a chemical/regulatory environment with data extraction and processing around WERCS, a regulatory application for chemical product and compliance data
- Explored complex application/database schemas and wrote nested SQL queries to extract information for mixture calculations, component relationships, regulatory rules and reporting logic
- Continued hands-on development in Git/GitHub/GitLab/Bitbucket, Docker/Linux deployment patterns, REST/API workflows, error handling, technical writing and fast AI-assisted prototyping
- Built technical writing and documentation workflows that turn complex systems into clear runbooks, checklists, decision notes and user-facing explanations
Urs S.
Last position:
CargoMonitor App at MSR Electronics GmbH
MVP app for shock logger to monitor and analyze transport data via BLE as a Kotlin Multiplatform solution for Android and iOS.
Christoph P.
Last position:
ICT DevSecOps Engineer & Security Coordinator at Abraxas Informatik AG
- Interface role with the SOC team; improved incident response time by 45% through structured escalation processes and proactive security monitoring.
- Defined technical standards for a multi-tenant enterprise platform (10+ services), resulting in a 30% shorter onboarding time for new clients in the public sector.
- Active knowledge transfer and mentoring of a 6-person team; increased team autonomy and established a sustainable engineering culture.
- Reduced time to market by 50% by optimizing CI/CD pipelines and establishing self-service deployments.
- Stack: GitLab CI/CD, Kubernetes, Nexus, Harbor, ArgoCD, HashiCorp Vault, Grafana, Python, PostgreSQL, Java, Spring Boot, Flyway, Quarkus, JBoss, Loki, Go, Kafka, Kustomize, MongoDB
Milan S.
Last position:
Cloud Architect & DevOps at Avaloq
- Main cloud solution architect on a banking SaaS offering hosted in Azure.
- Fully automated the Azure infrastructure in Terraform.
- Reduced cloud costs by 50%.
- Responded to incidents, found root-causes and closed with post-mortems.
Monika E.
Last position:
Tax Specialist at Julius Bär / Bosshard & Partner
- Operational responsibility in tax relief at source
- Took over and stabilized a complex department during a project phase
- Analysis, review, and optimization of existing processes and workflows
- Updating and further development of the specialist manual
- Analysis and resolution of individual cases in an international tax environment
Detlef W.
Last position:
Sourcing Manager at BEDAG Informatik AG
- Solely responsible for managing procurement operations
- WTO tenders in an open procedure
- Invitation process
- Direct call-offs and mini-tenders from framework contracts
- Simap.ch, SuisseOffer.ch, Confluence, Jira, Microsoft 365 applications
Robin O.
Last position:
Co-Founder & AI Solutions Architect at airdys
- Product strategy, architecture, and technical co-direction
- AI workshops, client onboarding and go-to-market activities
- Design and implementation of AI architectures (LLMs, RAG, MCP, agents, voice, automation)
- Hands-on development of prototypes and production-ready AI integrations
- Consulting clients on AI adoption, workflows, and integration into existing infrastructure
- Collaboration with co-founders on strategic direction
- Collaboration in sales and customer acquisition
Tools and Technologies: OpenAI, Anthropic, Azure, Vercel AI SDK, RAG (Retrieval-Augmented Generation), MCP (Model Context Protocol), FastAgent, VAPI, n8n, make.com, LibreChat, PostgreSQL, OpenAPI, Next.js, Vercel, Docker
Ulysse Brice M.
Last position:
Agile Quality Engineer & Quality Master at Die Mobiliar
- Test strategy design
- Continuous defect tracking and documentation
- Test case creation and execution for performance and end-to-end tests as well as mass tests
- Responsibility for all test activities in the team
- Requirements and documentation analysis
- Agile testing based on stories, epics and features
- Test management and coordination
- Use of SAFe (PI planning, PI preparation, sprints, daily meetings, Kanban board, retrospective, review)
- Use of GitHub, Tortoise, Atlassian JIRA, Confluence, MS Teams, Splunk, Swagger UI, Tosca, Rocket.Chat, Visual Studio Code, Oracle SQL Developer
- SAFe framework and project abroad
Andreas I.
Last position:
Business Development at SoftQuadrat GmbH
- Analysis of the current situation and repositioning of the brand
- Building up recruiting, sales, and customer support
- Planning for trade fair participation
- Establishing a sales process
- Introducing a CRM tool (Pipedrive)
- Setting up a subsidiary in Switzerland
- Implementing all aspects of temporary staffing
Peter W.
Last position:
IT Consultant at WYP-Consulting
Jakob F.
Last position:
Core Team Member at Jafa Consulting
- SME for operational processes, contract negotiation and product design for the implementation of a SaaS contact center solution & carrier services
- Definition of several operational processes, organizational setup, ITSM application integrations, creation of contract schedules and advising contract negotiation
- Scrum Master with agile tooling (processes & automation)
- Commercial manager to create business cases and closing the sales process
- Increasing impact, trusted relationship, and key team member within a short time
Piotr S.
Last position:
CTO Program Manager, Theme Owner / Senior Project Manager at Avaloq Group AG
- Clients: Central banks of the most developed economies in the world, German, Swiss, Luxembourgish, Monegasque, Singaporean, Japanese wealth managers and universal/private banks, world’s largest investment banks
- Accountable for managing the delivery of a portfolio of digital wealth and consumer relationship management initiatives
- Project managing portfolios of projects within CTO product and technology business area (cyber security, architectural changes, re-organisational transformation, 3rd party apps)
- Products: Kernel & Parametrisation for Core Avaloq Banking Platform; modules: CRM, client data management, wealth management, portfolio management (generating over 90% of company revenues)
- Key responsibilities:
- Reporting to Head of Disruptive Innovation Division; stakeholder to five product owners & two domain owners
- Accountable for delivery of annual themes and quarterly key deliverables
- Managing demand vs supply via QBR process: book of work, execution, reporting, risk management
- Directly managing around 40 external consultants (front-end/back-end engineers, BAs, designers)
- Hiring and managing resources in eight countries
- Running quarterly divisional closure meetings presenting achievements and challenges
- Resolving cross-team dependencies and internal/external conflicts
- Owning and controlling maintenance budget; planning, forecasting, execution; ensuring demand matches supply
- Identifying and staffing key roles with chapter leads
- Approach: Agile, Scrum of Scrums, QBR/OKRs
- Technology: Angular, PL/SQL, JavaScript, Confluence, JIRA (JQL)
Discover over 15,000 top freelancers
Statistics of experts using SQL
Aggregated from the professional profiles of matched freelancers.
Experience
24 years
Position duration
2.9 years
Positions per freelancer
14
Top business areas
Information Technology, Product Development, Project Management
Top industries
Information Technology, Banking and Finance, Professional Services
Certification focus areas
Information Technology, Project Management, Product Development
Bachelor's degree or higher
84%
Master's degree or higher
59%
Doctorate
10%
Certifications per freelancer
5
Most common languages
English, German, French
Speak two or more languages
98%
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 Switzerland 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.
Discover detailed SQL rate benchmarks:
Explore rate insightsAverage rates of experts in Switzerland 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 (86%)
- Banking and Finance (71%)
- Professional Services (55%)
- Manufacturing (49%)
- Government and Administration (43%)
- Insurance (40%)
- Healthcare (37%)
- Telecommunication (34%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
What SQL does
SQL, short for Structured Query Language, is the standard language for working with relational data. Companies use it to create and query databases, update records, enforce relationships and turn operational information into reliable reports. SQL sits behind applications, finance systems, customer platforms and many internal tools.
Databases and variants
SQL is implemented through database systems such as PostgreSQL, MySQL, Microsoft SQL Server, Oracle Database and MariaDB. Each has its own features, syntax details and administration tools, while the core concepts remain familiar. Strong specialists understand transactions, indexes, constraints, views, stored procedures and execution plans across the systems relevant to a project.
Common deliverables
- Relational database schemas for new applications
- Query optimisation for slow or growing workloads
- Data migrations between systems or schema versions
- Reporting views, dashboards and analytical data models
- Stored procedures, functions and controlled access rules
SQL work can range from a focused query review to the design of a data layer used by several products. Deliverables should include clear documentation, testable scripts and safe rollback options where changes affect live data.
When companies need specialists
Companies often bring in freelance SQL expertise during a migration, application rebuild, reporting initiative or performance issue. Warning signs include duplicated business logic, unreliable reports, long-running queries, unclear ownership of tables or risky manual data corrections. A specialist can inspect the data model, identify root causes and create a maintainable path forward.
Skills around SQL
Effective SQL work connects database knowledge with application and infrastructure practices. Relevant skills may include Python, Java, C#, ETL and ELT tooling, REST APIs, data warehouses, business intelligence tools, cloud database services and version control. Professionals should also understand backups, access control, monitoring, testing and the operational impact of schema changes.
In Switzerland, remote collaboration is common, while some projects benefit from on-site workshops with product, finance or data teams. Clear communication in the working language matters when specialists document business rules and coordinate changes across departments.
What good work looks like
A strong SQL professional starts with the business question and traces it to trustworthy data. They choose suitable joins, keys and indexes, inspect execution plans, handle nulls and edge cases, and explain trade-offs without hiding complexity. They protect production data through review, testing and least-privilege access.
Quality also means leaving the database easier to operate than before. Look for practical evidence such as readable migration scripts, documented assumptions, measured query improvements, repeatable tests and experience with the specific database engine, hosting model and data sensitivity of your project.
Frequently asked questions
Quick answers to the questions that come up most around SQL.
SQL is used to store, retrieve, change and protect structured data in relational databases. Companies rely on it for application data, financial records, operational reporting, customer information, integrations and analytical models.
SQL databases organise data through defined tables and relationships, which supports consistency and precise transactions. NoSQL systems can suit flexible schemas, high-scale distribution or document and key-value access patterns, so the right choice depends on data structure, query needs and operational constraints.
A capable SQL specialist may work with PostgreSQL, MySQL, Microsoft SQL Server, Oracle Database or MariaDB. The best fit depends on the existing application, hosting environment, licensing approach, team skills and required database features.
Strong SQL work is often supported by data modelling, ETL or ELT, Python, application development, cloud databases and business intelligence tools. Experience with Git, automated testing, backups, monitoring and access control is also valuable when database changes affect production systems.
The right SQL experience depends on the risk and scope of the work. A focused reporting task may need strong querying and business understanding, while migrations, high-volume systems and performance incidents require proven database design, troubleshooting and production discipline.
Yes, SQL projects are often suitable for remote collaboration when access, documentation and review processes are well defined. On-site workshops can still help with data discovery, process mapping and communication across Swiss teams, especially when business rules are complex.
Review how the SQL professional explains assumptions, data relationships and trade-offs. Look for readable queries, execution-plan analysis, tests, safe migration practices, clear documentation and evidence that the result is accurate, maintainable and secure.
Before using SQL, clarify the database engine, data volume, environment, access rights, delivery expectations and definition of success. Ask about sensitive data, deployment controls, existing documentation, reporting logic and who will maintain the work after handover.
The average hourly rate of freelancers in Switzerland who have used SQL in their recent projects is 115 €, which corresponds to a daily rate of about 922 € based on an 8-hour working day.
Of the freelancers in Switzerland who have used SQL in their recent projects, 84% hold at least a Bachelor's degree, 59% hold at least a Master's degree, and 10% hold a doctorate.
On average, freelancers in Switzerland who have used SQL in their recent projects have 24 years of professional experience, with a single engagement typically lasting around 2.9 years.
The most common languages among freelancers in Switzerland who have used SQL in their recent projects are English (98%), German (95%), and French (49%).
The most common industries among freelancers in Switzerland who have used SQL in their recent projects are Information Technology (86%), Banking and Finance (71%), and Professional Services (55%).
The most common business areas among freelancers in Switzerland who have used SQL in their recent projects are Information Technology (94%), Product Development (75%), and Project Management (71%).
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.
Zurich 
Basel 
Bern Request a free demo
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