Skip to main content
🇩🇪GDPR-compliant
Find the right

SQL Experts in Switzerland

from over 15,000 CVs with fast, precise AI matching

Hire experts who design reliable data models, optimize complex queries and build reporting pipelines across PostgreSQL, MySQL and Microsoft SQL Server. FRATCH connects you with vetted, available freelancers whose skills match your SQL project quickly and precisely.

Meet FRATCH Experts in Switzerland, who have recently used SQL

Verified expert

Damir M.

View profile

Interim Head of PMO & Transformation Lead · IPMA Level A · AIPMO ACE

Wollerau
Damir M.

Last position:

Head of Research & Chairman of the Research Advisory Board at SBS Swiss Business School

Swiss University of Applied Sciences institute (HEdA/AAQ accredited); ranked #5 globally for Executive MBA (CEO Magazine 2025)

  • Led the research function and chaired the Research Advisory Board.
  • Editor of the Journal of Applied Business Research.
  • Member of the Thesis and Dissertation Committee.
  • Contributed to the AAQ and ACBSP accreditation processes.
Verified expert

Claus N.

View profile

Oracle Database Engineer

Thalwil
Claus N.

Last position:

Oracle Database Engineer at BBV.ch

  • Migration of databases from ODA to ExaData
  • Migration of databases from ExaData to ExaCC/OCI
  • Reduced UCC usage by 10%
  • Developing automation scripts using Python
  • Performance tuning
  • Reduced development databases from 6 TB to 3 TB using Exadata columnar compression
  • Improved application performance by 30% using the inmemory option
  • Improved non-production Exadata performance by 20% to free up CPU resources before ExaCC migration
  • Database patching of Oracle 19c
  • Basic Ansible scripting for deployments and database cloning
  • Developing an accounting model for a shared Oracle platform
  • Migrating single-instance databases to Oracle RAC
  • Analysis of RAC issues
  • Advising development teams on how to migrate to RAC
Verified expert

Vincent V.

View profile

Senior Enterprise Architect | IT Business Relationship Manager

Zürich
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.
Verified expert

Paulo M.

View profile

Power BI & Microsoft Fabric Specialist | AI & Copilot | SAP BI

Zürich
Paulo M.

Last position:

Power BI / Fabric & SAP BI Consultant at Financial Bank

  • Developed Power BI semantic models, DAX and RLS, improving reporting performance and security.
  • Designed Fabric Lakehouse with Medallion Architecture (Bronze/Silver/Gold), accelerating data processing and improving maintainability and scalability.
  • Built Fabric Data Factory pipelines and PySpark transformations, reducing processing time by 40%.
  • Delivered automated Power BI KPI dashboards, accelerating reporting and decision-making.
  • Supported SAP BO 4.3 → 2025 migration across 2,000+ Webl reports and 34 universes, reducing testing effort by 35% and improving migration quality and reliability.
  • Optimized UNX universes, reducing query execution time by 40%.
  • Optimized SAP BO reporting solutions, improving reliability and reducing manual effort.

Environment: Power BI, Microsoft Fabric (Lakehouse, Warehouse, Pipelines, PySpark), Tabular Editor, DAX Studio, SAP BI (BO 4.3/2025, Webl, UNX Universes), 360Suite, InfoBurst, GitHub, JIRA.

Verified expert

Max R.

View profile

Senior ICT Solution Architect

Bern
Max R.

Last position:

Senior ICT Solution Architect at ewb, Energy, Water

  • Clarifying and discussing technical requirements and coordinating with the team
  • Contributing to the objectives of the Digital Transformation Services unit and implementing them
  • Analyzing, specifying, updating and delivering architecture models to implement digital solutions in line with business, data infrastructure and requirements
  • Selecting suitable technical options for application design, considering interoperability, reversibility, scalability, usability, accessibility and security, and optimizing the cost/quality ratio
  • Creating and maintaining concept documents, architecture models and other technical documentation
  • Reviewing services to be provided and other documents for solution development
  • Collaborating with the IT enterprise architect, business analyst, project manager, developers, testers and process owner on the design and documentation of technical specifications for new developments and enhancements
  • Communicating concepts to relevant stakeholders and supporting them
  • Participating in enterprise architecture activities and ensuring compliance with principles, standards and guidelines
  • Monitoring compliance with defined designs at application, solution and enterprise levels
  • Developing and testing existing and new solutions as required
  • Supporting and guiding development teams in implementing new projects or maintaining existing products, taking on the product manager role if required
  • Establishing and ensuring best practices in implementation, documentation, testing and packaging for distribution
  • Contributing to the handling of reported incidents and requests assigned to third-level support, and following up as required
Verified expert

Mike B.

View profile

User Experience Designer / Design Thinking Coach

Bottighofen
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)
Verified expert

Francesca L.

View profile

Martech Data Lead

Ecublens
Francesca L.

Last position:

EMEA CDP Community Lead at Merkle Switzerland AG

Founded and scaled Merkle's CDP community, and built the foundation of a Centre of Excellence

  • Cultivated strong connections with C-levels of the company, securing their support and ensuring the community's efforts align with organizational goals (and vice versa when needed)
  • Nurtured vendor relationships ensuring top support to the teams and recognition for opportunities
  • Drove community growth (+100 members), cross-country collaboration, enablement, best practices, and knowledge sharing across 7+ countries, positioning Merkle as leader in CDP implementations.
Verified expert

Patrick B.

View profile

Senior Software Engineer

Zürich
Patrick B.

Last position:

Senior Software Engineer at On AG

  • Since August 2025 I'm working on the Conversational AI team. We are developing an internal platform for the future of Conversational Ecommerce, powering other teams to use the Agents in their user experience. I'm deeply focused on the architecture of this project, with a particular focus on the monitoring and live evaluation of the agents.
  • Played a pivotal role in business-critical operations, including Adyen client upgrades, multi-account configuration for app releases, domain migration support, and implementing a crucial BFCM hotfix to resolve a 10-minute update query (on the checkout workflow) that was blocking sales.
  • Served as a key member of the On-Call rotation for over a year, leading >15 incidents, contributing to system stability, and enhancing distributed tracing via New Relic integration, deepening system-wide understanding and operational excellence.
  • Conceived and delivered an MVP for a "Low Stock in Key Variants" (LSKV) index within two weeks as part of the Conversion Rate Taskforce, using statistical analysis of size curves to identify OOS products; this initiative led to a (0.9%) CVR improvement post-handover.
  • Led major performance and stability initiatives, including a Ruby upgrade (YJIT, Jmalloc) that slashed average response times from 220ms to <100ms, and initiated an "Order Table Cleanup" project to manage 10M+ order records, ensuring SOX compliance and database health.
  • Architected and delivered a scalable CloudFlare Worker solution for critical Apple Pay domain validation, mitigating operational risks and establishing a best-practice, automated workflow that was subsequently leveraged by multiple teams, demonstrating cross-functional impact
  • Drove substantial evolution of the core e-commerce backend through consistent, high-impact contributions (130+ merged PRs), spanning critical feature delivery, complex system optimizations, and enhancing platform stability."
Verified expert

Wolf P.

View profile

Interim POS Manager - SOX Compliance Role

Endingen
Wolf P.

Last position:

Interim Head of IT-POS Base GK - SAP at Depot GDC

  • Interim management of IT-POS based on GK and SAP for DEPOT GDC.
  • Responsibility for the stability and further development of the POS base platform.
  • Management of adaptations and rollouts in the POS environment in coordination with the SAP backend.
Verified expert

Urs S.

View profile

Dipl. Ing. FH

Thal
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.

Verified expert

Charles S.

View profile

Data & Analytics Product Manager | AI-Augmented Data Products | Executive BI Delivery | Financial Services

Zürich
Charles S.

Last position:

Data Delivery Lead at Westpac

  • Owned and managed the product roadmap and backlog for the Consumer Banker reporting framework, prioritising features and driving iterative delivery of banker scorecards and network performance reporting in an agile environment.
  • Developed and iterated portfolio financial reporting on a weekly cadence based on stakeholder feedback, replacing manual PowerPoint packs and saving the program hours of effort weekly.
  • Integrated Generative AI (MS Copilot) to automate data lineage documentation across a large legacy codebase, eliminating est. 6 months of analyst effort and accelerating data governance outcomes.
  • Led a unified data delivery approach and standards across five UNITE initiatives (~CHF 115m portfolio) supporting consolidation of legacy systems into the Digital Banker platform.
  • Led cross-functional delivery team of 3 while also drawing on BA and DA talent pools, coordinating analytical resource across workstreams to accelerate data, reporting & governance outcomes.
Verified expert

Christoph P.

View profile

ICT DevSecOps Engineer & Security Coordinator

Zug
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
Verified expert

Fatima D.

View profile

Clinical Data Manager

Fatima D.

Last position:

Clinical Data Manager at Consultant – Clinical Data Management & Clinical Operations

  • Served as a DM contractor for Mirum Pharmaceuticals between 2025-02-01 and 2026-05-31, leading end-to-end clinical data management activities
  • Coordinated a significant networking event for HEMEX (Swiss CRO), fostering connections within the Swiss biotech ecosystem
  • Engaged with stakeholders to explore innovative models that simplify execution and reduce operational burdens for clinical trials
Verified expert

Piotr C.

View profile

Senior Backend And Full Stack Engineer

Herisau
Piotr C.

Last position:

Full Stack Software Developer at Meteomatics AG

  • Created the MetX Assistant and was its primary driver from concept through production with real users; designed and oversaw telemetry and presented the system in demos.
  • Built React, TypeScript and Python features for MetX, a scientific weather visualization platform; integrated internal data APIs and improved caching, request handling and rendering workflows.
  • Contributed to company MCP tooling and led AI workshops and internal automation initiatives, including experiments connecting AI agents with Slack, Jira and Git.
  • Acted as the team's Observability and DevOps subject matter expert, supporting service reliability, deployment workflows, monitoring and troubleshooting.
  • Participated in Security, Observability and AI Communities of Practice.

Discover over 15,000 top freelancers

Statistics of experts using SQL

Aggregated from the professional profiles of matched freelancers.

Experience

23 years

SQL experts in Switzerland have 23 years of professional experience on average.

Position duration

2.9 years

SQL experts in Switzerland stay in a single position for 2.9 years on average.

Positions per freelancer

14

SQL experts in Switzerland have completed 14 positions on average over the course of their careers.

Top business areas

Information Technology, Product Development, Project Management

SQL experts in Switzerland have gathered most of their hands-on project experience in Information Technology, Product Development, and Project Management.

Top industries

Information Technology, Banking and Finance, Manufacturing

SQL experts in Switzerland are most in demand in Information Technology, Banking and Finance, and Manufacturing.

Certification focus areas

Information Technology, Project Management, Product Development

SQL experts in Switzerland earn their certifications most often in Information Technology, Project Management, and Product Development.

Bachelor's degree or higher

86%

86% of SQL experts in Switzerland hold at least a Bachelor's degree.

Master's degree or higher

61%

61% of SQL experts in Switzerland hold at least a Master's degree.

Doctorate

12%

12% of SQL experts in Switzerland have a doctorate (PhD).

Certifications per freelancer

5

SQL experts in Switzerland hold 5 professional certifications on average.

Most common languages

English, German, French

SQL experts in Switzerland most often speak English, German, and French.

Speak two or more languages

98%

98% of SQL experts in Switzerland speak two or more languages.

Based on our profile pool as of 29 Oct 2026.

Daily rate distribution

0% 25% 50% 75% 100%
24% of SQL experts in Switzerland charge less than €800 per day.
53% of SQL experts in Switzerland charge between €800 and €1200 per day.
23% of SQL experts in Switzerland charge €1200 or more per day.
<€800 €800-​1200 €1200+

The chart shows how the daily rates of experts in this technology in Switzerland 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.

Discover detailed SQL rate benchmarks:

Explore rate insights

Average rates of experts in Switzerland using SQL

Rates are based on recent contracts and do not include FRATCH margin.

1000
750
500
250
Rate comparison chart
Daily rate avg. 920 €

The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.

1000
750
500
250
Rate comparison chart
Median rate 880 €

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.

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 (69%)
  • Manufacturing (52%)
  • Professional Services (52%)
  • Insurance (39%)
  • Government and Administration (39%)
  • Healthcare (37%)
  • Telecommunication (33%)

Please note that freelancers can work across multiple industries, so percentages overlap.

About the technology

What SQL does

SQL, or Structured Query Language, is the standard language for working with relational data. Companies use it to store, connect, filter, update and analyze information in structured databases. It supports everything from transactional applications to business reporting and operational analytics.

Where it is used

SQL sits behind customer portals, finance systems, inventory tools, marketing platforms and internal business applications. Typical deliverables include:

  • Relational database schemas and normalized data models
  • Queries, views, stored procedures and database functions
  • Reports, dashboards and analytics data sets
  • Data migrations, imports and validation processes

Ecosystem and tooling

SQL expertise often spans PostgreSQL, MySQL, MariaDB, Microsoft SQL Server, Oracle Database and cloud services such as Amazon Redshift or Google BigQuery. Professionals may also work with query planners, indexing tools, database clients, migration frameworks and version-controlled schema changes. The right approach depends on the database engine and workload.

When companies need specialists

Companies bring in freelance SQL specialists when queries become slow, reporting logic is hard to maintain or a database must be redesigned without disrupting operations. They also support migrations, system integrations, data quality initiatives and urgent production issues. In Switzerland, remote collaboration is common, while regulated or operational environments may require on-site coordination and clear language agreements.

Skills that matter

Strong professionals understand more than syntax. They translate business rules into dependable data models, examine execution plans, choose indexes carefully and protect transactional consistency. They can also document assumptions, test edge cases and explain trade-offs to application teams, analysts and business stakeholders.

How quality is assessed

Review practical evidence: clear schema decisions, measurable query improvements, safe migration plans and readable SQL. Ask how the specialist handles locking, null values, duplicate records, permissions, backups and changing requirements. A capable SQL professional adapts techniques to the engine, data volume and risk profile instead of applying one pattern everywhere.

Published on:
FRATCH GPT

FRATCH GPT delivers freelancer proposals with clear reasoning and transparent pricing in minutes, helping your hiring department quickly and compliantly find the best talent.

Give it a try:

Try FRATCH GPT

Frequently asked questions

Quick answers to the questions that come up most around SQL.

SQL is used to create and query relational databases that store customers, transactions, products, events and other structured records. It supports inserts, updates, joins, reporting, permissions and data validation across many types of applications.

SQL databases use structured schemas, relationships and transaction rules, which suit financial records, operational systems and consistent reporting. NoSQL systems can be a better fit for flexible document data, very large distributed workloads or rapidly changing structures; the choice depends on access patterns and consistency needs.

A strong SQL specialist often understands data modeling, database administration, ETL, cloud storage and performance analysis. Experience with Python, application integration, BI tools, Git and automated testing can also improve delivery, depending on the project.

The needed depth depends on the risk and complexity of the work. A simple report may need solid query and data-validation skills, while a migration, high-volume workload or production redesign calls for proven knowledge of transactions, indexing, backups and execution plans.

Yes, many SQL projects can be delivered remotely through secure access, documentation and regular technical reviews. On-site work may still help when systems are sensitive, teams need close coordination or company policies restrict remote database access.

Ask for examples of schema design, query tuning and migration planning, then explore the reasoning behind each decision. High-quality SQL work is readable, tested, secure and suited to the specific database engine rather than optimized only for a narrow example.

Reliable SQL accounts for null values, duplicates, concurrent changes, permissions and failure handling. It uses appropriate indexes, clear transaction boundaries and tests with realistic data, while monitoring execution plans as the workload evolves.

A freelancer can transfer core SQL knowledge between systems, but product-specific experience matters because syntax, indexing, locking and diagnostic tools vary. Match the specialist to the engine in use, such as PostgreSQL, MySQL, Microsoft SQL Server or Oracle Database, and to the required delivery language and collaboration style.

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 920 € based on an 8-hour working day.

Of the freelancers in Switzerland who have used SQL in their recent projects, 86% hold at least a Bachelor's degree, 61% hold at least a Master's degree, and 12% hold a doctorate.

On average, freelancers in Switzerland who have used SQL in their recent projects have 23 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 (94%), and French (47%).

The most common industries among freelancers in Switzerland who have used SQL in their recent projects are Information Technology (86%), Banking and Finance (69%), and Manufacturing (52%).

The most common business areas among freelancers in Switzerland who have used SQL in their recent projects are Information Technology (95%), Product Development (76%), 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.

Request a free demo

Get in touch with the FRATCH team and we will get back to you within 4 hours.

Contact form

Would you rather directly get in touch?
We always have the time for a call or email!

FRATCH CEO avatar

Philipp Thomaschewski

FRATCH CEO

LinkedInFRATCH