PL/SQL Experts in Switzerland
matched in minutes from over 15,000 CVs with the power of AI.Hire experts who write Oracle PL/SQL packages, debug stored procedures, and tune SQL around Oracle Database systems. They support reporting logic, data-heavy integrations, and safe database changes, with fast, precise matching to vetted, available freelancers.
Meet FRATCH Experts in Switzerland, who have recently used PL/SQL
Marco Skulschus
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 (template engine Jinja2).
Modeling and automation of data structures with Data Vault.
Building reporting and analysis reports with Microsoft Power BI, including training and onboarding of users.
Peter Wydler
Last position:
IT Consultant at WYP-Consulting
Piotr Seredyn
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)
Reinhold Schätz
Last position:
Senior Software Developer at Hitachi Energy
- Support and further development of the Leegoo Builder
- Handling ad hoc requests
- Definition of rules/attributes and their rules
- Optimizing and managing SQL queries
Claus Nielsen
Last position:
Oracle Database Engineer at BBV.ch
- Migration of databases from ODA to ExaData
- Migration of databases from ExaData to ExaCC/OCI
- Decreased UCC usage by 10%
- Developing automation scripts using Python
- Performance tuning
- Shrunk development databases from 6 TB to 3 TB using Exadata columnar compression
- Tuned application performance by 30% using inmemory option
- Tuned non-production Exadata by 20% to release CPU resources before ExaCC migration
- Database patching of Oracle 19c
- Basic Ansible scripting for deployments and database cloning
- Developing acconting model for shared Oracle platform
- Migrating single-instance databases to Oracle RAC
- Analysis of RAC issues
- Advising development teams of how to migrate to RAC
Michael Tille
Last position:
Senior Consultant, Developer, Business Analyst at Swiss Army, Federal Office for Informatics
- Maintained PeopleSoft HCM 9.2/Tools 9.59.08 for batch and interface programs
- Used Application Designer, Application Engine/Packages, PeopleCode
- Developed BI/Excel reporting and proof of concept
- Performed business analysis, SQL reports and documentation
Dariusz Kaczmarkiewicz
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
Reto Bachmann
Last position:
Managing Director at Atsoft GmbH
- Consulting in ICT, business processes, system architecture, web integration, client-server computing, cross-platform development, responsive web design, social media integration, GUI
- Custom and specialized solutions
- Applications for small and medium-sized enterprises
- Web services, web applications, portals, application extensions (add-ins, plug-ins)
- Database design, interface solutions
- Outsourcing in various industries
- Solutions for other software houses
- Project management and project support (software engineering, coding)
Oliver Stoll
Last position:
Managing Director and Employed Actuarial Consultant at ARCS Actuarial and Risk Consulting Stoll GmbH
- Advising insurance companies on modeling, reporting, valuations, risk management and acting as the responsible actuary
- 2023–2025: Improving Solvency II software, annual financial statements (HGB, SII), process optimizations, pricing, SQL and Python-based reports for AXA Germany, Cologne
- 2022–2023: Support for portfolio transfer (RAFM optimization; impact on HGB balance sheet, SII, reinsurance; migration to msg.Life Factory) for Zurich Germany, Cologne
- 2021 and 2024: Redesign of Solvency II model, implementation in Python and model extensions; testing and documentation for PK Rück, Zurich
- 2021–2023: Control calculations for maturity benefits of contracts; specification and testing of policy administration system for product launch at Youplus, Liechtenstein
- 2021: a) Support in preparing a reinsurance treaty: project management and analyses; b) assistance with Solvency II reporting and multi-year planning for Allianz Leben, Stuttgart
- 2020–2021: Further development and optimization of models with Risk Agility FM (RAFM), integration into IFRS 17 reporting process using Unify for Allianz Slovakia and Bulgaria
- 2017–2023: Quality improvement of the RAFM model; methodology development; documentation; process optimization in reporting and planning; automation with Excel and Oracle SQL (on COR-Life); implementation of a life reinsurance treaty; validation of numerical results in the policy administration system for SV Versicherung, Stuttgart and Mannheim
- 2015–2017: Project management and senior actuary in developing an actuarial projection tool and in the IMAP process with the regulator; guiding the reporting team; analyses; methodology development; process design; coordination with IT, asset and risk management for Allianz Leben, Stuttgart
- 2016–2020: Review of cash flow models for investment projects for B Capital, Zurich
- 2015: Redevelopment of MCEV calculation methodology based on MVBS; weakness analysis and collaboration on fixes for Allianz SE, Munich
- 2014: Solvency II risk capital reporting project: validation of data deliveries; analyses for management and regulator; tool development; process and documentation improvements; training of team members for Aegon Group, The Hague, Netherlands
Christoph Wagner
Last position:
System Architect / System Engineer / Programmer at Deutsche Vermögensberatung (DVAG)
- Create requirements for the modularization of the promotion forecast.
- Set up and expand the various competitions for 2024.
- Customize and test the CICS dialog.
- Create various reports for the department using SQL.
- Implement and test new requirements in batch processes with IWS.
- Update documentation for the new requirements.
- Provide on-call support for daily and monthly production.
- Technologies used: SCRUM, Jira, Confluence, Windows 11, Unix, Enterprise Developer, z/OS, GIT, Mineral, Moped, IWS/TWS, JES, COBOL, CICS, DB2, SQL, Rocket, FortiClient, Citrix.
Andrew Longe
Last position:
Service Manager - Testing at Takeda Pharmaceutical International AG
- Managing the Testing services for the Global IT Testing Centre of Excellence (TCoE) team, which is responsible for managing and supporting the Product & Project Testing Workstreams on various Regional Projects, especially in Pharmacovigilance, Digital Supply Chain, Clinical Practice and R&D, etc.
- Managing Client relationships, escalations and continuing to grow the project services globally, while also driving the testing efforts on Takeda’s AI, DevOps, Agile, and Digital projects.
- Led the implementation of a Quality Management System (QMS), ensuring compliance with GCP, GMP, and Swiss and EU regulations, resulting in a huge improvement in audit readiness.
- Overseeing projects for systems including ERP, EDGE, SAP ECC, SAP Transportation Management, S/4 HANA migration etc.
- Led an AI/ML PoC for AI implementation.
- Led a cross-functional team to ensure compliance with MDR, FDA regulatory guidelines and achieved successful project deliveries.
- Led and managed change management and communication for TCoE, keeping the Takeda organisation informed of change communication and practices, including presentations to various stakeholders.
- Ensuring TCoE outsource vendor resources adhere to regulatory, compliance and quality system standards and practices for GxP & non-GxP System Development Life Cycle (SDLC) including aSDLC and TCoE Global Standards.
- Translated the product vision, strategy and requirements into backlog items, which were prioritised based on potential business impact and customer value.
Zafer Baysan
Last position:
Lead Test Automation Engineer at Unknown
- Playwright-based API test automation for the Oracle JD Edwards ERP system
- Development of a TypeScript/Node.js test framework with MSSQL database integration
- End-to-end business process automation for order processing, customer management, etc.
- OpenAI integration for automatic PDF document validation
- Jira/Xray integration for automated test reporting with dashboard
- REST API client development with role-based authentication
- Test data management, dynamic ID validation, and cross-test data sharing mechanisms
Mathias Dürrenberger
Last position:
Independent contractor at Allianz-Technology
- Developed a massive web application for second pillar retirement insurances (Swiss BVG, Kollektivleben) with over 1000 web pages using an in-house model language and Angular for front-end and back-end
- Fixed bugs in the code generator and enhanced and re-engineered the application
- Built an automated testbed
- Implemented PDF document generation with XML and Thunderhead
- Resolved issues due to the switch to Java 21
- Replaced middleware server for insurance base data (customers, contracts) using Java/Spring, REST, OpenAPI, Docker, Kubernetes, OpenShift, Azure CI/CD pipeline, Jenkins, and GitHub
Ferran Siles Vila
Last position:
Senior Software Engineer at Personal time off / Private projects
- Took on and completed private/organizational projects.
- Continued self-training, e.g., in cloud and reactive architectures.
- Focused deepening of knowledge in areas like Kafka and modern Java 17 enterprise architectures.
Balázs Schweighoffer
Last position:
Owner at Schweighoffer GmbH
- Business analysis and requirements engineering
- Consulting technical mathematics and control theory
- Selling outsourcing software development projects to companies
- Project lead, controlling and automated testing
- Software design and support
- Developed control algorithm for a sensorless permanent magnet electric motor
- Solved control engineering problems for customers
Discover over 15,000 top freelancers
Statistics of experts using PL/SQL
Aggregated from the professional profiles of matched freelancers.
Experience
27 years
Position duration
2.4 years
Positions per freelancer
15
Top business areas
Information Technology, Product Development, Project Management
Top industries
Banking and Finance, Information Technology, Insurance
Certification focus areas
Information Technology, Product Development, Project Management
Bachelor's degree or higher
86%
Master's degree or higher
57%
Doctorate
7%
Certifications per freelancer
4
Most common languages
English, German, French
Speak two or more languages
100%
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 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.
Average rates of experts in Switzerland using PL/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
Oracle logic
PL/SQL is Oracle’s procedural language for database work. It adds control flow, variables, loops, and error handling on top of SQL, so specialists can move business logic closer to the data. Companies use it for stored procedures, functions, triggers, and packages that run inside Oracle Database.
Typical work
- Build and maintain packages, procedures, functions, and triggers
- Write SQL for reporting, data preparation, and batch jobs
- Refactor legacy PL/SQL for clarity and safer change management
- Support migrations and upgrades in Oracle-based systems
Tooling and ecosystem
Strong professionals work across Oracle Database, SQL Developer, PL/SQL Developer, and version control. They understand schemas, privileges, exception handling, and how PL/SQL interacts with Java, Python, middleware, and ETL tools. In Switzerland, this often matters in banking, insurance, logistics, and enterprise systems with strict data rules.
When to bring in help
Freelance expertise is useful when a team faces a production issue, a release deadline, or a module nobody wants to touch. It also helps when existing logic is slow, brittle, or poorly documented. A good specialist can review code, isolate risk, and deliver changes without disrupting core Oracle systems.
What good looks like
A strong professional writes readable code, uses meaningful package structure, and handles exceptions with care. They know how to test database logic, trace performance problems, and avoid hidden side effects. They also keep an eye on transaction behavior, locking, and maintainability, not just whether the code runs.
Hiring fit
For short fixes, a specialist who knows Oracle PL/SQL and the surrounding schema is often enough. For larger work, look for people who can work with analysts, application teams, and database owners. Remote collaboration is common; on-site time in Switzerland helps when access, sensitive data, or cross-team debugging needs tighter coordination.
Frequently asked questions
The facts hiring teams ask for most often when it comes to PL/SQL.
PL/SQL is used to put business logic inside Oracle Database. Teams rely on it for stored procedures, functions, triggers, packages, and batch processing that needs to run close to the data. It is a common choice when reliability, transaction control, and database performance matter.
PL/SQL extends SQL with variables, loops, branching, and exception handling. SQL is mainly for querying and changing data, while PL/SQL is for procedural logic around that data. If a project only needs simple queries, SQL may be enough; if it needs rules and flows, PL/SQL fits better.
Hire a PL/SQL specialist when the task is code-heavy: package design, procedure refactoring, trigger cleanup, or performance troubleshooting in database logic. A general Oracle expert may cover broader administration or architecture work, but procedural code needs someone who can read, test, and reshape it carefully.
A strong PL/SQL professional usually knows Oracle SQL very well and understands Oracle Database structures, indexing, transactions, and security basics. Useful extras include performance tuning, data modelling, ETL, and working with Java or integration tools that call database code. Good documentation and testing habits matter too.
A PL/SQL freelancer should see the schema, the affected packages or procedures, sample inputs and outputs, and any performance or error logs. Clear access to a test environment helps a lot. The better the problem statement, the faster the specialist can make safe changes.
Yes, most PL/SQL work can be done remotely if the specialist has secure access to Oracle environments and the right testing setup. On-site time in Switzerland can still help for sensitive systems, workshop sessions, or close work with business owners. Many teams use a mixed setup.
Look for code that is clear, modular, and safe under failure conditions. A good PL/SQL specialist explains design choices, spots performance risks, and knows how to test with realistic data. Past work with Oracle packages, debugging, and production support is a strong signal.
Yes, PL/SQL remains central in many Oracle-based environments. It is often the layer that protects business rules, supports reporting jobs, and stabilizes older systems that still run core processes. Modern tools may sit around it, but the database logic is still important.
The average hourly rate of freelancers in Switzerland who have used PL/SQL in their recent projects is 124 €, which corresponds to a daily rate of about 988 € based on an 8-hour working day.
Of the freelancers in Switzerland who have used PL/SQL in their recent projects, 86% hold at least a Bachelor's degree, 57% hold at least a Master's degree, and 7% hold a doctorate.
On average, freelancers in Switzerland who have used PL/SQL in their recent projects have 27 years of professional experience, with a single engagement typically lasting around 2.4 years.
The most common languages among freelancers in Switzerland who have used PL/SQL in their recent projects are English (100%), German (95%), and French (53%).
The most common industries among freelancers in Switzerland who have used PL/SQL in their recent projects are Banking and Finance (79%), Information Technology (79%), and Insurance (68%).
The most common business areas among freelancers in Switzerland who have used PL/SQL in their recent projects are Information Technology (95%), Product Development (84%), and Project Management (79%).
Main locations of FRATCH Experts, who have recently used PL/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.
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Philipp Thomaschewski
FRATCH CEO
