PostGIS Experts in Germany
for location-aware systems, matched in minutes with vetted freelancersHire experts who model spatial data, optimize geospatial queries and connect PostGIS with PostgreSQL, GIS tools and web mapping services. FRATCH matches you quickly and precisely with vetted, available freelancers.
Meet FRATCH Experts in Germany, who have recently used PostGIS
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
Fabian C.
Last position:
Senior GIS Developer at Transport & Logistics
Development of a route planner for incident communication.
- Development of the REST API
- Set up a patch system for maintaining the routing graph
- Expansion of the testing infrastructure
- Performance and memory optimization (JMeter, JFR)
Technologies: Java 21, Spring Boot, JGraphT, Flyway, MapStruct, Caffeine, ShedLock, JMeter, Kubernetes, JFR
Eli R.
Last position:
Technical co-founder at AskTheLaws
- Create an AI legal assistant with modern ML capabilities.
- Implement RAG architecture, with data pipelines for legal data search.
- Use AWS Bedrock for LLM and embedding models and LangChain/LangGraph
- Python with FastApi for backend and React for frontend
Rainer L.
Last position:
Senior IT Consultant, Senior Software Architect, Senior Software Developer, Senior DevOps Engineer at Techniker Krankenkasse
Automation of the database major / minor releases for the TKeasy project
Concept for database major / minor release automation
As-is analysis
Evaluation of Redgate Flyway functionality
Concept creation
Products: Redgate Flyway, GitHub, Quest, Erwin Data Modeller, Oracle, Atlassian Jira, Atlassian Confluence
Skills: Docker, Continuous Delivery, Continuous Integration, Redgate Flyway, Major Releases, Minor Releases
Alexander K.
Last position:
Senior Fullstack Developer at Deutsche Vermögensberatung AG (DVAG)
- Further development and maintenance of a complex sales platform with a focus on digital closing processes, customer portal interactions, and document generation for financial and insurance products
- Development and maintenance of microservices with Spring Boot 3 and Kotlin
- Frontend development with Angular 20 for displaying products, applications, and documents
- Execution of end-to-end tests with Playwright and integration tests with WireMock
- Creation and optimization of Quartz jobs and CronJobs
- Refactoring of the security configuration in a multi-realm Keycloak setup with a custom filter chain, permission evaluator, and factory routing
- Creation of dynamic emails with Thymeleaf
- Extensive error analysis with Application Insights, Log Analytics, and direct SQL debugging
- Introduction of a dynamically controlled security architecture with flexible token handling depending on path and realm
- Stabilization and clear structuring of the closing process for complex product models
- Significantly improved maintainability and readability of the code through modular refactorings
- Higher test stability and depth through combined use of Playwright, WireMock, and integration tests
- Targeted performance optimization through analysis of Hibernate statistics, query tuning, and use of SQL execution plans
- Technologies used: Java 21, Kotlin, Spring Boot 3, Angular, TypeScript, REST API, JSON, Kubernetes, Docker, PostgreSQL, Liquibase, Keycloak, OAuth2, GitHub Actions, Testcontainers, Azure Application Insights, Thymeleaf, Tilt, Microsoft SQL Server
Florian F.
Last position:
Senior Backend Developer at ING Deutschland AG
- Database design with Oracle DB, JPA and Flyway considering high performance requirements
- Analysis of multiple architecture drafts and identification of technical risks
- Design and implementation of various interfaces and integrations, especially REST APIs and Kafka topics
- Setup of Elasticsearch for monitoring and analyzing log data
- Establishment of an iterative work approach in the project team facing complex business requirements
Felix M.
Last position:
AI Trainer at AKIA Academy for AI & Automation
- Led the 12-week training program to become an AI and automation specialist
- Created training materials & video courses on "AI Fundamentals", "Working with ChatGPT", "Prompt Engineering", "AI Agents with N8N", "Automations with Make.com" & AI-generated marketing content (images, videos, blog posts & social media posts)
- Conducted workshops on the above topics
- Tools: Loom, N8N, Make.com, ChatGPT, Midjourney, Gamma.app, Canva, Kling AI, Magnific AI
- Result: Participants learn the technical and business know-how to successfully build a business as AI and automation specialists
Arnav S.
Last position:
Scientific Assistant (HIWI) at Institute of Transport and Automation Engineering, Production Technology Center, Leibniz University Hannover
- Implemented stereo camera calibration and applied incremental Structure from Motion (SfM) algorithms to build a detailed 3D model of a forklift for an AR-enabled Smart Forklift project
- Developed OpenCV-based preprocessing that improved data accuracy by 20% and enhanced the analysis of industrial videos
Max D.
Last position:
Tech Lead, Interim CTO/CPO at MatchDispatch
I worked on automating cold outreach.
- Developed a queue architecture to support the parallel execution of large volumes of background tasks.
- Integrated multiple email delivery providers.
- Implemented an LLM-based data enrichment process.
Technologies: TypeScript, React, Node.js, Next.js, Drizzle ORM, PostgreSQL, Next-Auth, JWT, Docker, Kubernetes, AWS, CloudFlare, Traefik, Groq, Jest, Figma
Ralph E.
Last position:
Geoinformatics Specialist, Digitalization Expert at Luvent / GIZ
- Presentation of the potential of artificial intelligence for agriculture at the Pan-African Startup Conference in Algiers.
- Planning and delivery of the AI master class at the conference.
- Mentoring 10 startups to introduce innovative technologies into their products and services, including processing weather forecast data to create geo-localized, product-specific work instructions for farmers in Algeria.
Mostafa S.
Last position:
Freelance Senior Software Engineer & AI Consultant at Self-employed
- Led the development of a complex geospatial data platform, engineering an end-to-end system for processing and analyzing high-resolution aerial imagery.
- Engineered a scalable backend responsible for on-the-fly map tile serving and running complex data analysis queries using PostGIS and Python.
- Developed and trained custom computer vision models using Python, PyTorch, and YOLOv8 to perform object detection and segmentation on large-scale datasets.
- Built modern, responsive user interfaces and data visualization dashboards using Next.js, TypeScript, and React.
- Gained practical expertise in geospatial libraries such as GDAL and Rasterio for processing and manipulating raster and vector data.
- Managed the entire project lifecycle, from initial technical architecture and database design to final deployment using Docker.
Florian K.
Last position:
Senior Fullstack Developer — GIS & Cloud at EnBW
- Automated decentralized manual planning of power grid construction projects using a cloud-native GIS platform integrating geodata analysis, infrastructure planning, and cost estimation
- Designed a cloud-native multi-language architecture with Azure Cloud Functions
- Integrated ArcGIS/Vertigis and developed JavaScript-based Vertigis workflows for interactive GIS planning tools
- Developed Python-based cloud functions to automate analysis of complex geodata sets
- Implemented specialized algorithms for power grid topologies and construction planning with Shapely and GeoPandas
- Built interfaces between GIS platforms and existing planning systems with uniform API conventions, consistent response structures, and error handling
- Set up a Pytest unit test pipeline and automated CI/CD processes using Azure Pipelines
- Optimized performance of geospatial calculation algorithms for large datasets
Alishiba Florian D.
Last position:
Research Assistant at University of Bonn
- Led data engineering and machine learning efforts for large-scale Knowledge Graph creation of WorldKG
- Developed pipelines for heterogeneous data integration (OpenStreetMap, Wikidata, DBpedia) using Python and SQL
- Designed neural architectures (Transformers, adversarial networks) for schema and entity alignment
- Created scalable ETL workflows to harmonize structured and unstructured geographic information
- Applied semantic modeling and SPARQL-based querying for data fusion and governance
- Mentored master’s students on AI, spatiotemporal data, and Knowledge Graph topics, fostering practical experimentation and innovation
Georg H.
Last position:
Entrepreneur and Freelancer at ispacom - intelligent spatial computing GmbH
- Software development, project management, and consulting focused on ArcGIS, network information systems, forecasting, and simulation in network planning
- Business analysis through training with a focus on geographic information systems (GIS) and data processing
- Senior GIS strategy (ESRI) & technology consultant and network modeling as well as FTTX | 5G assessment at 1&1 Versatel (04/2022–present)
- Requirements engineering, project management and solution design as well as implementation for mobile geodata collection at NETZE-BW (EnBW, 10/2021–present)
Benedikt B.
Last position:
Fullstack Developer at Nimevio
- Requirements analysis and planning of the software architecture
- Analysis and design of REST APIs
- Backend development with Java 17, Spring Boot, Spring MVC, and Spring Data
- Frontend development with Angular and TypeScript
- Setting up CI/CD pipelines
- Code review, QA, and testing
- Using MySQL, Docker, the ELK stack, and RabbitMQ
Discover over 15,000 top freelancers
Statistics of experts using PostGIS
Aggregated from the professional profiles of matched freelancers.
Experience
19 years
Position duration
1.7 years
Positions per freelancer
14
Top business areas
Information Technology, Product Development, Project Management
Top industries
Information Technology, Transportation, Government and Administration
Certification focus areas
Information Technology, Project Management, Product Development
Bachelor's degree or higher
89%
Master's degree or higher
61%
Doctorate
22%
Certifications per freelancer
2
Most common languages
English, German, 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 PostGIS
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.
PostGIS 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 (91%)
- Transportation (55%)
- Government and Administration (55%)
- Professional Services (41%)
- Education (36%)
- Energy (36%)
- Banking and Finance (36%)
- Telecommunication (36%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
Spatial data in PostgreSQL
PostGIS extends PostgreSQL with storage, indexing and analysis for geographic and geometric data. It supports points, lines, polygons, raster data and topology, allowing location logic to live beside business data. Companies use it for mapping, routing, proximity searches, land records, logistics and site analysis.
Core capabilities
A strong PostGIS implementation covers data modeling, coordinate reference systems and spatial relationships. Experts work with functions such as ST_Intersects, ST_Within, ST_Distance and ST_Transform, while choosing GiST or SP-GiST indexes for responsive queries. They also handle geometry validation, precision and transformations between projected and geographic coordinates.
- Design spatial schemas in PostgreSQL
- Import and clean GeoJSON, Shapefiles, GeoPackage and raster data
- Build proximity, containment and intersection queries
- Tune spatial indexes and execution plans
Ecosystem and tooling
PostGIS commonly connects with QGIS, GDAL, GeoServer, MapServer and web mapping libraries such as OpenLayers or Leaflet. Professionals may expose spatial data through REST or GraphQL services, tile pipelines and cloud storage. Familiarity with PostgreSQL operations, ETL workflows, coordinate systems and open geospatial standards is essential.
Where companies use it
Location-aware products depend on reliable spatial processing rather than a map interface alone. In Germany, use cases span transport, logistics, utilities, real estate, environmental monitoring, agriculture and public-sector planning. Freelance expertise is useful when a team must combine operational records with accurate geographic boundaries or live positions.
- Deliver store, service-area and coverage maps
- Support fleet routing and delivery zones
- Analyze parcels, infrastructure and environmental areas
- Migrate spatial workloads from separate GIS systems
When to bring in a specialist
Companies often seek freelance support during a data migration, a performance problem or the launch of a location-based product. They may need help converting legacy formats, selecting a coordinate reference system, creating a safe import process or exposing data to a mapping frontend. Remote collaboration works well when schemas, sample datasets and acceptance rules are documented; on-site work can help with field-data workflows and stakeholder alignment.
What quality looks like
Strong professionals test spatial results with real boundaries and edge cases, not only with sample points. They explain accuracy, indexing and coordinate choices in terms the wider team can use. They also separate geometry from geography when appropriate, protect database performance, automate repeatable imports and document assumptions so the system remains maintainable after handover.
Frequently asked questions
Key details about PostGIS, drawn from the questions we get asked most.
PostGIS adds geospatial capabilities to PostgreSQL. It lets teams store, query and analyze locations, boundaries, routes, distances and spatial relationships alongside ordinary business data.
PostGIS keeps spatial data in PostgreSQL, which can simplify transactions, permissions and joins with operational records. A dedicated GIS system may offer more specialized desktop workflows, while PostGIS is often a strong choice for applications and shared data services.
A capable PostGIS specialist usually understands PostgreSQL administration, SQL query planning, coordinate reference systems and spatial indexing. Experience with QGIS, GDAL, GeoServer, GeoJSON and web mapping APIs is valuable when data must move between analysis and applications.
The right PostGIS experience depends on the task, not on a fixed tenure requirement. A data import may need strong format and validation knowledge, while a routing platform or high-volume spatial service calls for deeper database tuning, API design and operational experience.
PostGIS projects are often suitable for remote collaboration because schemas, queries and sample datasets can be reviewed asynchronously. Clear coordinate-system decisions, access controls and test cases are important; teams in Germany may also value German-language communication for workshops and stakeholder reviews.
Ask a PostGIS professional to explain the data model, coordinate reference systems, spatial indexes and expected query plans. Review tests for invalid geometries, boundary cases and transformation accuracy, then confirm that imports, migrations and operational procedures are documented.
PostGIS is often preferable when spatial queries must join directly with transactional PostgreSQL data or share its security and backup model. A separate service may be better for highly specialized search, global scale or a team that already operates a dedicated geospatial stack.
A PostGIS freelancer can deliver a spatial schema, migration scripts, validated imports, optimized queries, database functions and API-ready views. Depending on the project, they may also provide QGIS workflows, GeoServer layers, tile generation and technical documentation.
The average hourly rate of freelancers in Germany who have used PostGIS in their recent projects is 93 €, which corresponds to a daily rate of about 747 € based on an 8-hour working day.
Of the freelancers in Germany who have used PostGIS in their recent projects, 89% hold at least a Bachelor's degree, 61% hold at least a Master's degree, and 22% hold a doctorate.
On average, freelancers in Germany who have used PostGIS in their recent projects have 19 years of professional experience, with a single engagement typically lasting around 1.7 years.
The most common languages among freelancers in Germany who have used PostGIS in their recent projects are English (100%), German (95%), and Russian (18%).
The most common industries among freelancers in Germany who have used PostGIS in their recent projects are Information Technology (91%), Transportation (55%), and Government and Administration (55%).
The most common business areas among freelancers in Germany who have used PostGIS in their recent projects are Information Technology (100%), Product Development (95%), and Project Management (64%).
Main locations of FRATCH Experts, who have recently used PostGIS
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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Philipp Thomaschewski
FRATCH CEO
