PostgreSQL Experts in Switzerland
in minutes from over 15,000 CVs with the power of AI.Hire experts who design reliable PostgreSQL databases, tune slow queries, and handle replication, backup, and migration work for demanding systems. Get fast, precise matching with vetted, available freelancers.
Meet FRATCH Experts in Switzerland, who have recently used PostgreSQL
Gwang Jin Kim
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
Christoph Pardon
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 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% through CI/CD pipeline optimization and the introduction of 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
Osman Tartoussi
Last position:
Senior Developer and Consultant at Federal Office for IT and Telecommunications BIT
IT consulting, analysis, architecture design, new and further development, code review, test automation, continuous integration and continuous delivery in the backend and frontend area.
Technology stack:
JAVA 21
Spring Boot 3
Spring Framework 6
Spring Rest
Spring Data
JPA
Postgres
Aurora Database
Typescript
OWASP
Renovatebot
Sonarqube
Prometheus
Grafana
Spring Security
Single SignOn
Keycloak
Angular 19
NgRx Redux
AWS ECS
AWS Cloudwatch
Terraform
Spacelift
GitOps
Docker
Junit
Maven
Jenkins Pipeline
GitHub
BitBucket
Nexus
Kafka
Conduktor
Kafdrop
OpenApi
Swagger
Scrum
SAFe
Jira
Confluence
Robin Ochsner
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
Frank Gassan
Last position:
Project Lead at Flamingo Med Solutions
- Led the founding of a startup for AI-based consulting products for dental practices.
- Developed and launched PraxisScore, a data-driven consulting product for economic analysis and corporate consulting of dental practices.
- Held full responsibility for technical implementation, AI integration, and structured startup setup from product idea to public launch at IDS 2025 in under three months.
Ahmed Rehman
Last position:
AI & Automation Engineer at Teosek GmbH
- Build prototypes, expand AI skills, and practical application in a startup context.
- Transition phase: further training in prompt engineering, APIs, AI, working on independent prototype projects, and collaborating at a friend's startup.
- Technologies: LangChain, REST, Python, Java, JS, TS, Node.
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
Patrick Riegler
Last position:
DevOps Engineer at Swisscard AECS AG
- PoC for various platform integration functionalities using Backstage and Crossplane
- Implementation of improvements of developer experience with Azure AVD and DevSpace
- Manage application deployment infrastructure on Kubernetes clusters
- Manage CI/CD platform
- Manage deployments into Kubernetes (Rancher and AKS) and into Azure
- Act as security champion of the DevOps team
- Manage vulnerabilities and support dev teams to manage third-party vulnerabilities using JFrog Xray
- Support building the platform team
- Manage infrastructure as code using Terraform and Atlantis
- Build and integrate a platform and IDP using Crossplane
Alexander Strauss
Last position:
IT Manager & Architectural Draftsman at Architektur Jürg Gasser
Design, operation, and further development of a stable IT environment to ensure smooth CAD and planning operations.
Implement structured backup and data protection concepts to reduce operational risks and safeguard business-critical data.
Optimize and secure the web and server infrastructure in a LAMP environment to increase stability, security, and availability.
Ensure reliable operation of Microsoft 365 and Exchange services for daily business operations.
Combine technical infrastructure expertise with domain experience in architecture and CAD.
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)
Matthias Isler
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 Kéri
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
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
Ala Lutz
Last position:
VR/AR/ML Project Site Lead (contract by Experis) at Meta
- Acted as project lead in different internal projects, including the development and implementation of innovative solutions based on machine learning, virtual and augmented reality with the aim of providing great user experience
- Drove project planning, execution and reporting, designed risk mitigation and schedule adjustment plans to bring the projects on the green path
- Directed the process optimization and conducted project reviews by being the liaison between engineering teams and executive stakeholders
- Served as agile coach and led the scrum ceremonies such as daily stand-ups, sprint planning, sprint review and sprint retrospective
Ioannis Kaliakatsos
Last position:
Algorithms Development Expert, Research & Development at Reishauer AG
- Mathematical specification and definition, analysis and software development of the skiving cutter tool motion planning within the skiving machine for simultaneous and sequential gear flank processing
- Twist-free topological manufacturing
- Workpiece flank line modifications
- Workpiece flank line and profile corrections
- Workpiece tooth thickness deviations
- Computer vision algorithms for automatic wear detection of the skiving cutter tool
- Software development for corrections of the machine kinematics for the profile grinding product series, including twist-free grinding
- Software development for corrections of the machine kinematics, quality measurement and evaluation for the slot grinding product series
- Performance analysis and continuous improvement of internal design tools (RTDesign)
- Tools used: C#, .NET, TeamCity, git, PostgreSQL, MySQL
Discover over 15,000 top freelancers
Statistics of experts using PostgreSQL
Aggregated from the professional profiles of matched freelancers.
Experience
22 years
Position duration
2.4 years
Positions per freelancer
13
Top business areas
Information Technology, Product Development, Quality Assurance
Top industries
Information Technology, Banking and Finance, Government and Administration
Certification focus areas
Information Technology, Product Development, Project Management
Bachelor's degree or higher
94%
Master's degree or higher
72%
Doctorate
6%
Certifications per freelancer
5
Most common languages
German, English, French
Speak two or more languages
96%
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 PostgreSQL
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
Database core
PostgreSQL is a relational database system used for transactional applications, analytics, and mixed workloads. It stores structured data with strong consistency and supports SQL, JSON, and advanced indexing. Companies use it when they need dependable data handling and flexible query power.
Typical work
- Design schemas and constraints for clean data models
- Write and tune SQL for fast reads and writes
- Build replication, backup, and recovery setups
- Support migrations from MySQL, Oracle, or older PostgreSQL releases
- Review performance issues in production systems
Ecosystem
Strong PostgreSQL specialists work with tools such as psql, pg_dump, pg_restore, and EXPLAIN. They also know extensions, connection pooling, monitoring, and automation around backups and deployments. In Switzerland, this often matters for finance, SaaS, logistics, and public-facing services that need stable data access.
When to bring help
Bring in freelance expertise when queries slow down, a migration is risky, or a schema change may affect live systems. It also helps when a team needs support for high availability, read replicas, or Postgres on cloud infrastructure. Short engagements often focus on one clear deliverable and leave the team with better structure.
What good experts do
Good PostgreSQL professionals think about data shape, query plans, locking, and operational safety together. They test changes, read execution plans carefully, and know when to use indexes, partitions, or materialized views. They also document decisions so the database stays maintainable after the project ends.
Common signs
- Slow queries keep returning after quick fixes
- Migrations are blocked by data volume or downtime risk
- Backup, restore, or failover tests are missing
- The schema is hard to extend without breaking existing work
- The team needs clearer standards for PostgreSQL use across services
Frequently asked questions
Questions about PostgreSQL? Start with the answers below.
PostgreSQL is used for systems that need reliable structured data storage, strong transactions, and flexible SQL queries. It fits business applications, reporting layers, APIs, and services that also store JSON or need advanced indexing. Many teams choose it when data integrity matters as much as speed.
PostgreSQL is usually chosen for richer SQL features, stricter data modeling, and more advanced query behavior. MySQL can be a fit for simpler workloads, but Postgres is often preferred when teams need complex joins, custom types, or careful control over query plans. The right choice depends on the application, not the brand name.
A strong PostgreSQL freelancer helps when performance drops, a migration is risky, or the current schema needs a clean redesign. They are also useful for backup and recovery work, replication setups, and cloud database changes that need careful testing. Short, focused help often avoids larger project delays.
A strong PostgreSQL specialist usually works comfortably with SQL, Linux, backups, monitoring, and at least one application stack that talks to the database. Knowledge of indexing, replication, cloud hosting, and data migration tools is also important. For many projects, clear communication with application experts matters just as much as the database work.
For a small schema review or simple query tuning, a focused PostgreSQL expert can get value quickly. For migrations, high availability, or performance work on live systems, you want someone who has handled similar risk before. The harder the rollback and downtime constraints, the more experience matters.
Yes, PostgreSQL work is often well suited to remote collaboration because most tasks can be reviewed through schema files, SQL, logs, and query plans. For sensitive production changes, some teams still prefer a short on-site session or a close change window. In Switzerland, remote work is common, but coordination should stay precise.
A good PostgreSQL expert explains tradeoffs clearly, shows how they test changes, and can read an execution plan without guessing. Look for practical work on indexes, schema design, migrations, and recovery, not just general database talk. Strong specialists leave the system easier to maintain, not just faster for one query.
When people compare PostgreSQL, they often also look at MySQL, MariaDB, SQL Server, or Oracle depending on the system and team history. Some projects may also consider SQLite for very small deployments or PostgreSQL with extra extensions for specific needs. A good freelancer helps you choose based on workload, not habit.
The average hourly rate of freelancers in Switzerland who have used PostgreSQL in their recent projects is 118 €, which corresponds to a daily rate of about 947 € based on an 8-hour working day.
Of the freelancers in Switzerland who have used PostgreSQL in their recent projects, 94% hold at least a Bachelor's degree, 72% hold at least a Master's degree, and 6% hold a doctorate.
On average, freelancers in Switzerland who have used PostgreSQL in their recent projects have 22 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 PostgreSQL in their recent projects are German (96%), English (96%), and French (43%).
The most common industries among freelancers in Switzerland who have used PostgreSQL in their recent projects are Information Technology (96%), Banking and Finance (65%), and Government and Administration (57%).
The most common business areas among freelancers in Switzerland who have used PostgreSQL in their recent projects are Information Technology (100%), Product Development (91%), and Quality Assurance (65%).
Main locations of FRATCH Experts, who have recently used PostgreSQL
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 Request a free demo
Get in touch with the FRATCH team and we will get back to you within 4 hours.
Would you rather directly get in touch?
We always have the time for a call or email!
Philipp Thomaschewski
FRATCH CEO
