Leaflet Experts in Germany
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Meet FRATCH Experts in Germany, who have recently used Leaflet
Michael Nelz
Last position:
Senior ML Engineer, AI Engineer at Lanxess AG
- Deployment and scaling of existing ML initiatives, including demand and cash flow forecasts.
- Building robust monitoring with mlflow for data stability, model performance, and drift detection, as well as implementing additional ML use cases.
- Further development of an Agentic AI chatbot for transparent and easy-to-understand model explanations.
Christof Hlipala
Last position:
Senior Frontend Developer at HUK24 AG
- Designing new apps as well as enhancing and running 29 Angular apps for digital claims in an Nx monorepo
- Maintaining and improving a shared component library with ~300 libraries for multiple product teams
- Migrating all apps to a new design system including its component library and systematic refactoring
- Developing and maintaining the CI/CD pipelines (Jenkins, Azure DevOps, Terraform, AWS)
- Managing releases independently including branch handling, versioning, PR coordination and production deployment
- Implementing and maintaining tracking (Adobe Analytics)
- Ensuring accessibility according to BFSG/WCAG
- Test-driven development (TDD) with Jest and Cypress
- Code reviews, mentoring and setting up best practices in the team
- Technologies: TypeScript, Angular 16-20, RxJS, NgRx, Nx (Monorepo), npm, HTML, (S)CSS, Storybook, Jest, Cypress, Cucumber, Husky, Node.js, Git, AWS, Azure DevOps (Repos & Pipelines), Jenkins, Terraform, TDD, BFSG, WCAG, Nexus, IntelliJ, Adobe Analytics
Julia Sagert
Last position:
Senior Data Scientist / Consultant at Cloud Nation GmbH
Python, SQL, PySpark, Databricks, Databricks SQL, Delta Lake, dbt, Azure Data Lake Storage, Azure Machine Learning, Azure DevOps, Power BI, Git, MLflow
- Developed, validated, and optimized predictive analytics and classification models using Python (pandas), SQL, and modern ML frameworks.
- Performed data analysis, feature engineering, model validation, cross-validation, and stability analysis to ensure robust model quality and performance.
- Communicated model assumptions, results, uncertainties, and limitations to business units, management, and technical stakeholders.
- Built scalable data and machine learning workflows in cloud-based analytics environments using Databricks and Microsoft Azure.
Alois Flammensböck
Last position:
Software Architect / Backend Developer at GEO API
- Design and implementation of a Laravel backend API for provider-based geo search, feature details, boundary geometries and neighborhood detection.
- The API serves as a server-side proxy, cache and enrichment layer, protecting credentials for external geo services and persisting features, localizations, geometries, hierarchies and neighborhood relationships in MariaDB.
- Key areas included normalization of autocomplete and feature data, caching strategies for expensive boundary/polygon requests, spatial processing of GeoJSON and MultiPolygon geometries, as well as neighborhood detection using hierarchies, bounding box filters and topology checks.
- Additionally, separate production and diagnostic endpoints were created, along with status and error catalogs, discovery logging, a Docker development stack, API documentation, and unit and feature tests.
- Technologies: PHP 8.3, Laravel, REST API, geo data API, GeoJSON, MariaDB Spatial, Eloquent, Laravel Queues, PHPUnit, Mockery, Docker, Docker Compose, API design, geocoding, boundary data, spatial queries.
Daniel Stopp
Last position:
Frontend and Web Developer at Datalyze Solutions
- Frontend development and implementation of various designs (landing pages, overview pages)
- Responsible for the content and updates of the Datalyze Solutions company website
- Joint planning and development of an admin application for listing and locating real estate projects (CBRE)
- Joint planning and development of extensive solutions for automatic staff allocation in plants (Bosch)
- Backend development of various small projects with different stacks
- Tech stack: GitLab CI/CD, Elixir, Phoenix Framework, Ecto, PostgreSQL, Docker, Hetzner, Traefik, NGINX, Python, Flask, Next.js/React, Leaflet, GeoServer, TypeScript, MongoDB
Alexandru Gunescu
Last position:
Head of Cloud Infrastructure at BP
- Migrated the Electric Vehicle Charging SaaS App of the EV Division from on-premises and Azure to AWS Cloud, resulting in a hybrid multi-cloud multi-tenant solution
- Developed a streaming data pipeline using AWS MSK for Apache Kafka and implemented an event-driven architecture to ingest and process near real-time data from OCPI-protocol IoT devices
- Implemented multi-tenant strategies including database schema isolation, bridge model for resource sharing, and tenant-based RBAC controls
- Provisioned Kubernetes clusters on AWS EKS with namespaces and RBAC for tenant isolation
- Led migration from on-premises and Azure to AWS using AWS DataSync, Snowball, and Database Migration Service
- Orchestrated collaboration across 5+ systems, vendors, service providers, and on-site teams
- Supported development and maintenance of IT strategy aligned with business requirements
- Managed €40 million infrastructure budget with AWS & Azure cost optimization, achieving 15% savings
- Led 50+ developers to implement advanced database procedures, increasing productivity by 20%
- Spearheaded multi-cloud, multi-tenant infrastructure migration for 30% faster processing times
- Negotiated vendor pricing to reduce payroll/benefits administration costs by 20%
- Developed a two-year infrastructure technology roadmap yielding 25% cost savings
- Tech stack: Kubernetes on AWS EKS, Docker, Kafka/AWS MSK, Terraform, AWS CDK, TypeScript, React, NextJS, Node.js, NestJS, Python, Aurora Serverless, RDS (MySQL, SQL Server), GitHub Actions, Azure DevOps, ArgoCD, AWS Lambda, API Gateway, AWS Security Hub, AWS Database Migration Service, AWS DataSync, AWS Organizations, AWS Control Tower, Odoo, Microsoft Navision, MS Dynamics
Stefan Linner
Last position:
Dashboard for Interactive Data Analysis at LennardtundBirner GmbH
Development & deployment of an interactive dashboard that allows users to select datasets for visual analysis.
The application supports filters, AI-based interpretations, and a chatbot for user interactions.
shiny, openai, mirai, plotly, mapgl, duckdb, AWS, ShinyProxy, Docker Swarm
Florian Rubel
Last position:
Senior Fullstack Developer at Ivii GmbH
- Two-month modernization of the management UI for AI-powered cameras
- Rewrote a complex React application to Vue 3 with single file components
- Set up the core architecture of the Vue application and configured Vite, Pinia, Router, I18n, ESLint, and Prettier
- Custom integration of Leaflet to display detection zones on images
- Assisted with backend extension and authentication adjustments
Daniel Redwig
Last position:
Software Engineer at DB InfraGO AG
- Developed dynamic web components for displaying KPIs, intelligent map applications, and operational process analysis tools
- Angular 18+
- Leaflet, MapLibre
- NestJS, JavaScript, HTML, CSS
- PostgreSQL, GraphQL, RabbitMQ
- Gitea, Jenkins, Docker
Heiko Huvermann
Last position:
Fullstack Developer / Architect
- Design and implementation of a solution for managing projects, materials, and assets in field operations
- Development of a modern web application (Blazor) for project managers to track inventory, plan demand, and issue transport and purchase orders
- Delivery of a mobile MAUI app for field staff to store and retrieve materials with location-based photo documentation in map views
- Control of the full business logic through a central API
- Tech stack: .NET 9, C#, WebAPI, Blazor, MAUI, REST, PostgreSQL, Entity Framework, Docker, Docker Compose, Ansible, Keycloak, Aspire
- Identity and access management with Keycloak
- Deployment and orchestration via Docker Compose and Ansible
- Project in testing and evaluation phase
Georg Herbrand
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)
Peter Schmelzer
Last position:
Human IT Service GmbH
- Project: Citizen participation portal
- Technologies: HTML, CSS, TypeScript, Angular, SvelteKit, Rust, Leaflet, OSM
- Tasks: Conceptual design, technical decision-making, implementation
- Focus: Frontend, development, UX, design, maintenance
Christopher Nonne
Last position:
Freelance at NDA - Furniture Company from Switzerland
- Custom Wordpress Plugin Development following the best practices of Wordpress Plugin Boilerplate combined with the Advanced Custom Fields (ACF)
- Integrated Roomle SDK & Alpine.js in the Frontend for dynamic look & feel
- Theme Development with Roots Bedrock / Roots Sage using Laravel Blade Templates and Tailwind CSS with Vite
- Extensive use of WooCommerce E-Mail System and Wordpress / WooCommerce Hooks to handle a big amount of inquiries of potential buyers and sellers of individual furniture
Veit Bjarsch
Last position:
Senior Full-Stack Developer at Blinkist
- Migration of the B2B section from Vue to Astro with new user management and statistics pages
- Languages: TypeScript (React, Astro, Node, Jest), Ruby (Ruby on Rails, rspec), CSS (Tailwind, SCSS), GraphQL, MongoDB
- Tools: Jira, Figma, npm, Git, GitHub Actions, Docker, AWS (Lambda, SQS, S3)
Miriam Holzmann
Last position:
Graphic and Web Designer at Miriam Holzmann Designs
- Imaginative designs that make your brand shine brighter
- Custom solutions for design needs, tailored and fitting
- Passionate analysis of target audiences for a convincing visual presentation
- Services: graphic design, web design, photography
- Development of a strong brand identity that impresses the audience
- Professional web design service for an impressive online presence
- Unique photos that capture emotional moments; every image is one of a kind
- Creative redesign of your visual appearance: corporate design, ads, catalogs, websites, search engine optimization
- Clear and fresh designs through detailed analysis of marketing measures, high quality, and thorough consulting
- Print media (business cards, flyers, leaflets, posters, brochures, catalogs, packaging) with finishes like varnishes, embossing, foils
- Consistent visual identity with logo, business cards, letterhead, corporate materials through targeted use of colors, typography, and recurring design elements
- Modern, contemporary websites as an online business card, available 24/7, easy contact, and, if needed, an online shop
Discover over 15,000 top freelancers
Statistics of experts using Leaflet
Aggregated from the professional profiles of matched freelancers.
Experience
15 years
Position duration
1.8 years
Positions per freelancer
11
Top business areas
Information Technology, Product Development, Business Intelligence
Top industries
Information Technology, Healthcare, Energy
Certification focus areas
Project Management, Information Technology, Business Intelligence
Bachelor's degree or higher
100%
Master's degree or higher
44%
Certifications per freelancer
1
Most common languages
German, English, Spanish
Speak two or more languages
93%
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 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 Leaflet
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
What Leaflet does
Leaflet is a JavaScript library for interactive web maps. It is used to display map tiles, markers, popups, polygons, and live geodata in clean browser-based interfaces. Teams choose it when they need fast maps that are easy to control and simple to extend.
Typical work
- Building location search and store locator maps
- Showing GeoJSON, heatmaps, and route overlays
- Connecting maps to APIs, data feeds, and dashboards
- Adding clustering, filters, and custom controls
- Adapting map behavior for mobile and desktop
Skills around it
Strong specialists know JavaScript, DOM events, map projection basics, and how Leaflet handles layers, panes, and markers. They often work with GeoJSON, WMS, vector tiles, and plugins for clustering or drawing. Good work also means careful performance tuning when many objects need to render at once.
When companies bring help
Companies usually bring in freelance experts when a map feature is part of a product release, a migration, or a redesign. That includes logistics tools, property search, field service apps, mobility products, and internal dashboards. In Germany, these projects often need clear documentation and smooth collaboration with in-house teams.
What strong experts deliver
A strong Leaflet professional keeps the map useful, not cluttered. They handle responsive layouts, readable legends, accurate coordinate handling, and stable integration with backend data. They also choose the right plugin or custom layer instead of forcing everything into one pattern.
Ecosystem and naming
Leaflet is often searched as Leaflet.js, especially when people want web mapping help. Work around it may also touch OpenStreetMap, tile services, and geocoding APIs. Good specialists know how to combine these parts without slowing the interface or making the map hard to maintain.
Frequently asked questions
Key details about Leaflet, drawn from the questions we get asked most.
Leaflet is used to add interactive maps to websites and web apps. Companies use it for store locators, territory views, route displays, asset tracking, and data dashboards. It is a good fit when the map must stay lightweight and easy to customize.
Leaflet is usually chosen for simple, flexible map interfaces with a small footprint. OpenLayers is stronger for more advanced GIS behavior, while Google Maps often fits teams that want a managed map service and built-in place data. The right choice depends on how much control, styling, and geospatial depth the project needs.
A strong Leaflet specialist should also be comfortable with JavaScript, HTML, CSS, and working with JSON data. GeoJSON, tile layers, clustering, and API integration are common too. For more advanced work, knowledge of geocoding, projections, and backend data flows helps a lot.
A Leaflet project needs deeper expertise when it has many markers, complex filters, custom overlays, or frequent data updates. The same is true when the map must integrate with business logic, user permissions, or live operational data. In those cases, good architecture matters as much as visual design.
Yes, Leaflet works very well with OpenStreetMap tiles and related services. Many teams use that combination for public-facing maps, local search, and route or area views. A specialist can help choose the right tile source and keep the interface fast.
Most Leaflet work can be done remotely, especially if the scope is clear and the team shares design files, APIs, and map data early. On-site or hybrid collaboration can help when product, UX, and data teams need tight feedback loops. In Germany, good English is often enough, but local German communication can be useful.
A strong Leaflet freelancer shows real map work, not just general frontend code. Look for clean layer management, solid performance with many objects, careful handling of mobile behavior, and examples that match your use case. They should also explain trade-offs clearly and avoid unnecessary plugins.
No, Leaflet is simple to start with, but it can support quite a bit more. With the right plugins and custom layers, it can handle clustering, drawing, styling, and data-driven overlays. The key is to keep the implementation disciplined so the map remains fast and maintainable.
The average hourly rate of freelancers in Germany who have used Leaflet in their recent projects is 95 €, which corresponds to a daily rate of about 758 € based on an 8-hour working day.
Of the freelancers in Germany who have used Leaflet in their recent projects, 100% hold at least a Bachelor's degree and 44% hold at least a Master's degree.
On average, freelancers in Germany who have used Leaflet in their recent projects have 15 years of professional experience, with a single engagement typically lasting around 1.8 years.
The most common languages among freelancers in Germany who have used Leaflet in their recent projects are German (100%), English (93%), and Spanish (7%).
The most common industries among freelancers in Germany who have used Leaflet in their recent projects are Information Technology (93%), Healthcare (53%), and Energy (47%).
The most common business areas among freelancers in Germany who have used Leaflet in their recent projects are Information Technology (93%), Product Development (93%), and Business Intelligence (47%).
Main locations of FRATCH Experts, who have recently used Leaflet
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
