PL/pgSQL Experts in Germany
for reliable database logic, matched in minutes with vetted and available freelancersHire experts who design PostgreSQL functions, optimize complex queries and build dependable data workflows with PL/pgSQL. Get precise, fast matching with vetted, available freelancers for database-heavy projects in Germany.
Meet FRATCH Experts in Germany, who have recently used PL/pgSQL
Boris S.
Last position:
Generalist expert for software development at Mercor
- Training AI models, evaluating images and text UI/UX, turning the provided data into insights through OpenAI Feather as part of the machine learning workflow
Technologies: OpenAI Feather
Olaf T.
Last position:
BI Architect in a Kanban Team at Gulp / Randstad for HHLA
- Creation of automated tests.
- Extension of the functionality of the enterprise BI data warehouse.
- Design and development in SQL and PL/SQL.
- Data modeling as well as performance measurement and tuning.
- Creation of and contribution to user stories and concepts.
- Technical environment: Windows, Linux.
- Database: Oracle 19c incl. DWH, CDB, PDB.
- Tools: Confluence, CVS, Eclipse, Git, GitLab, Jira, N4, PL/SQL, SQL Developer, utPLSQL.
Andreas N.
Last position:
Open Source Founder at Privatier
- AI-supported source code analysis
- AI image generation for a shirt shop
- AI-supported analysis of connected YouTube channels and commenting users
- AI-supported software prototyping
- Operation of a local AI environment
- 3D printing and scanning: development of a process to repair GfK parts using 3D-printed negative molds
The focus is on practical applications of new technologies, founding an open-source project for a yacht autopilot, as well as yacht refit and motorhome conversion.
Stephan M.
Last position:
Sabbatical, professional development at Self-employed
- Further training in Snowflake and Google Looker
- Working with LLMs: local models (Llama, Mistral, Gemma, Phi, Qwen, DeepSeek, Bitnet, Flux, Whisper), OpenAI API, frontends (ollama, openwebui, loacalai)
- Inference methods: llama.cpp, vLLM, transformer
- Quantization, benchmarking, prompting
- LLM Agents (Tool/Function Calling, LangChain, LangGraph, MCP)
- Topics: attention, reasoning, chain of thoughts, RAG, GraphRAG, mlflow
- Cloud hosted: ChatGPT, Claude, Gemini
Alexander L.
Last position:
Senior Data Engineer & Solution Architect
- Design and development of ETL/ELT and data warehouse / data lake solutions based on MS SQL, PostgreSQL, Oracle
- Creation of architecture and solution concepts/designs based on customer requirements in the central data warehouse
- Implementation of Python-based dataflows/pipelines for process automation
- Contribution to the modernization of the technology stack with cloud-based services (including Azure Services and REST APIs)
- Continuous development and maintenance of processes in a heterogeneous system landscape on Oracle 23ai database (incl OCI)
- Support of business departments, including the implementation of cross-functional enhancements
- Technical leadership in complex reporting and Big Data projects (PowerBI, Microsoft Fabric, Azure SQL/Synapse)
Eric N.
Last position:
Data Engineer at Creditsafe Deutschland GmbH
Jens G.
Last position:
Shijou GmbH
- Software architecture and backend development for a marketplace solution / eCommerce retail
- Used Scala, Python, http4s, Next.js, Elasticsearch, PostgreSQL, AWS
Discover over 15,000 top freelancers
Statistics of experts using PL/pgSQL
Aggregated from the professional profiles of matched freelancers.
Experience
23 years
Position duration
1.6 years
Positions per freelancer
14
Top business areas
Information Technology, Product Development, Project Management
Top industries
Information Technology, Banking and Finance, Transportation
Certification focus areas
Information Technology, Business Intelligence, Project Management
Certifications per freelancer
3
Most common languages
German, English, Russian
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 Germany 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 Germany using PL/pgSQL
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.
PL/pgSQL 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 (100%)
- Banking and Finance (57%)
- Transportation (57%)
- Telecommunication (57%)
- Automotive (43%)
- Retail (43%)
- Energy (29%)
- Healthcare (29%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
Database Logic
PL/pgSQL is PostgreSQL’s procedural language for writing functions, procedures, triggers and reusable database routines. It extends SQL with variables, conditions, loops, error handling and transaction-aware logic. Companies use it to keep data rules close to the data and reduce unnecessary application-side processing.
PostgreSQL Ecosystem
Strong PL/pgSQL work depends on a broad PostgreSQL skill set. Experts typically work with schemas, indexes, views, materialized views, extensions, roles, migrations and query plans. They may also connect database routines with application frameworks, REST services, reporting tools or event-driven workflows.
- PostgreSQL functions and procedures
- Trigger-based validation and auditing
- Query analysis with EXPLAIN
- Database migrations and version control
Typical Deliverables
PL/pgSQL specialists deliver focused database components or support complete data platforms. Their work often appears in financial systems, logistics, manufacturing, commerce, analytics and public-sector applications. In Germany, they may collaborate with distributed product teams or work alongside local data and application groups.
- Design functions for complex business rules
- Create triggers for consistency and audit trails
- Refactor slow or difficult SQL routines
- Build migration-safe database changes
When Expertise Helps
Freelance expertise is useful when database logic has become difficult to test, explain or change safely. It also helps during PostgreSQL migrations, performance investigations, schema redesigns and the replacement of procedural logic from another database system. A specialist can establish clear ownership between SQL, PL/pgSQL and application code.
Quality Signals
Reliable professionals write readable routines with explicit inputs, predictable outputs and controlled error handling. They understand transaction behavior, locking, isolation, security privileges and the impact of indexes on query plans. Good documentation, repeatable tests and careful migration scripts matter as much as working code.
- Explain trade-offs between database and application logic
- Test edge cases, rollback paths and concurrency
- Review execution plans before optimizing
- Protect sensitive data through roles and safe queries
Adjacent Skills
Projects rarely need PL/pgSQL in isolation. Useful adjacent skills include advanced SQL, PostgreSQL administration, data modeling, performance tuning, backup strategy and integration with languages such as Java, Python or JavaScript. Familiarity with Docker, CI pipelines and observability helps specialists deliver changes safely across development and production environments.
Frequently asked questions
Key details about PL/pgSQL, drawn from the questions we get asked most.
PL/pgSQL is PostgreSQL’s procedural language for functions, procedures, triggers and database-side business rules. It is useful when validation, calculations or data transformations should run close to the stored data.
PL/pgSQL keeps selected logic inside PostgreSQL, which can reduce data transfer and enforce rules consistently for multiple applications. Application code is often easier to test and deploy, so the right choice depends on transaction boundaries, ownership and operational needs.
A strong PL/pgSQL specialist should understand advanced SQL, PostgreSQL indexing, query plans, transactions, locking and data modeling. Experience with migrations, application integration and database security is also valuable.
A project needs experienced PL/pgSQL support when routines contain complex business rules, performance is difficult to diagnose or database changes carry production risk. Migration work, trigger-heavy schemas and concurrency problems usually benefit from specialist review.
Yes, PL/pgSQL work is often suitable for remote collaboration because code, migration scripts and execution plans can be reviewed online. On-site work may help when the project involves sensitive infrastructure, workshops or close coordination with a German-speaking team.
Review whether the PL/pgSQL specialist explains transaction behavior, error handling, indexes and execution plans clearly. Ask for examples of tested routines, safe migrations and decisions about what belongs in the database rather than the application.
Replacing PL/pgSQL depends on how deeply functions, triggers and PostgreSQL-specific features are used. A migration may involve translating procedural logic, redesigning transaction behavior and retesting performance rather than performing a direct syntax conversion.
Before starting PL/pgSQL work, clarify the PostgreSQL version, deployment process, data sensitivity, rollback plan and ownership of database changes. Freelancers should also understand how routines are tested and how their work connects to the surrounding application and operations team.
The average hourly rate of freelancers in Germany who have used PL/pgSQL in their recent projects is 98 €, which corresponds to a daily rate of about 784 € based on an 8-hour working day.
On average, freelancers in Germany who have used PL/pgSQL in their recent projects have 23 years of professional experience, with a single engagement typically lasting around 1.6 years.
The most common languages among freelancers in Germany who have used PL/pgSQL in their recent projects are German (100%), English (100%), and Russian (43%).
The most common industries among freelancers in Germany who have used PL/pgSQL in their recent projects are Information Technology (100%), Banking and Finance (57%), and Transportation (57%).
The most common business areas among freelancers in Germany who have used PL/pgSQL in their recent projects are Information Technology (100%), Product Development (86%), and Project Management (86%).
Main locations of FRATCH Experts, who have recently used PL/pgSQL
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.
Berlin Hamburg Munich Cologne Frankfurt Stuttgart Dusseldorf Leipzig Dortmund Essen Bremen Dresden Hanover Nuremberg Request a free demo
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