MobX Experts in Germany
in minutes from over 15,000 CVs with vetted specialists and precise AI matching.Hire experts who design observable state, connect MobX with React and TypeScript, and keep complex UI logic easy to maintain. Get fast, precise matching with vetted, available freelancers.
Meet FRATCH Experts in Germany, who have recently used MobX
Cedric Oettel
Last position:
Development at Construction industry
- New development of project room functions
- Connection of REST API of a self-developed web service (.NET 7/8) as Azure App Service
- UI tests with Playwright
- Extension of Azure DevOps pipelines
- Migration to Azure SQL Server
- Software / technology: SharePoint Online, PowerShell scripts, SharePoint Framework, MobX, C#, Logic Apps, Playwright, Azure SQL Server, Graph API
Rodrigue Kelen-Yo
Last position:
Fullstack Development at Bavarian State Office of Taxes
- Performed an as-is analysis of the existing Oracle application Express Admin interface
- Created a requirements analysis for the React admin interface to be developed
- Developed the new VAT admin interface using React and TypeScript (frontend) as well as Java 17, Spring Boot, and Hibernate (backend)
- Conducted final training, including training materials, to transfer knowledge to the client’s employees and ensure they can independently maintain and extend the software
- Produced detailed technical documentation
- Tools: KONSENS-AppKit, SPA, React, TypeScript, REST API, unit testing, Java, JavaScript, Node, HTML5, CSS3, UI/UX, Spring Boot, OpenAPI, JSON, Oracle DB, GitHub CI/CD, Playwright, UML, Gradle
Roxana Girdu
Last position:
Freelance Senior Frontend Developer at RHI Magnesita
- Designed and developed a high-performance internal resource management platform using React and TypeScript, optimizing dynamic data rendering and state management.
- Built a React Native application to support mobile access to internal tools, enabling on-the-go project tracking for field teams.
- Developed custom 2D canvas-based visualizations using Pixi.js to simulate material flows and refractory layer behaviors.
- Integrated Pixi.js with React components for interactive diagrams and real-time UI updates.
- Developed interactive 3D visualizations using React.js for displaying refractory product layouts and simulations, supporting engineering and sales teams with dynamic product previews.
- Integrated Three.js within the React ecosystem to allow manipulation of 3D models in real-time via browser, enhancing user engagement and field configurability.
- Integrated a headless CMS to enable dynamic content updates by non-technical users, reducing content deployment time by 40%.
- Led AWS CloudFront optimization initiatives, improving portal load speeds by 30% globally.
- Actively collaborated with cross-functional Agile teams and product owners to deliver prioritized features with a fast feedback loop.
- Key Technologies: React.js, React Native, Three.js, TypeScript, Contentful CMS, AWS S3/Lambda/CloudFront, Cypress, Agile Scrum
Arne Hendricks
Last position:
Embedded Fullstack Developer at IoT / Infrastructure Automation Sector
- Analysis of legacy codebase and identification of architectural issues, implementing improvements in coordination with the Product Owner.
- Development of clean, efficient, and fully documented code following established software engineering practices and standards.
- Analysis of Erlang components in backend and device layers to provide recommendations for ensuring stable system operation.
- Setup and optimization of CI/CD pipelines on client infrastructure, including testing, debugging, and certificate management quality assurance.
- Participation in planning, design, and implementation of epics and stories according to Product Owner specifications.
- Technical consultation for Product Owner regarding Erlang codebase management and best practices.
- Collaboration with Product Owner, Scrum Master, and development team to ensure timely delivery of features.
- Elixir & Phoenix + PostgreSQL
- Erlang
- IoT
- CI/CD
- Git
- Agile/Scrum
- Docker
- Kubernetes
- Frontend (VueJS)
- Embedded Devices
Kshiti Patel
Last position:
Senior Front End Engineer at People of Peony
- Built scalable and reliable web using React, TypeScript, JavaScript and open-source tooling, taking full ownership from development to deployment with minimal oversight
- Translated client requirements and visual designs into functional, user-friendly interfaces by applying UI/UX design principles, ensuring the delivered product aligned with the client's product vision
- Proactively identified and resolved complex technical issues spanning frontend and DevOps (AWS), going beyond the defined scope to ensure continuous and stable delivery, with test coverage maintained via Jest
Tymur Abbasov
Last position:
Project Manager Data Center at ITCP BV
- Lead cross-functional teams through full project lifecycles, from requirements and scoping to delivery and rollout.
- Owned sprint planning, backlog prioritization, and stakeholder communication using Click up.
- Defined user stories and acceptance criteria, aligning delivery with business goals.
- Managed timelines, risks, and dependencies; coordinated with vendors.
- Instituted agile ceremonies and continuous improvement practices.
Jewgenij Steinhart
Last position:
Mobile Engineer at ginlo.net Gesellschaft für Datenkommunikation mbH
- Development of the ginlo Messenger client, emphasizing stringent data protection compliance as mandated by German legislation.
Marius Reimer
Last position:
Freelance React Native Developer at German Government / SAP SE
- React Native development and consulting (KulturPass app) using TypeScript, Redux and RTK Query
- Fully open sourced on GitHub
- Project of the Federal Government and SAP to promote culture and youth
Hendrik Belitz
Last position:
Lecturer at Front and Fullstack Development Lecturer
- Teaching JavaScript, HTML, CSS, React, NodeJS, MongoDB, MariaDB, and Express
- Designing and preparing lessons
- Classroom teaching and one-on-one coaching
Taher Solimany
Last position:
DevOps Engineer at Confidential
- Collaborating with developers, security, and operations teams to align requirements
- Supporting product owners and development teams in deploying logging and monitoring solutions based on the Elastic Stack
- Developing and standardizing log schemas as well as defining practical standards for observability
- Designing and further developing logging architectures for complex, distributed multi-tenant environments
- Connecting application and infrastructure logs as well as security tools and metrics
- Optimizing data flows and modeling for analysis and reporting purposes
- Building automated infrastructures using Terraform/Terragrunt and Ansible
- Maintaining and evolving CI/CD pipelines in GitLab as well as automated development environments in Hetzner Robot
- Operating and automating Proxmox clusters including Ceph storage
- Setting up and running Kubernetes (k3s) clusters on Fedora CoreOS including core services like Vault, OpenLDAP, and HAProxy
- Implementing security-critical infrastructures according to BSI basic protection and securing existing systems
- Supporting the operation of solutions in cloud environments (e.g., AWS)
- Working in agile teams following Scrum and Kanban
- Technologies/Tools: Elastic Stack (Elasticsearch, Logstash, Beats/Elastic Agent, Kibana), Terraform, Terragrunt, Ansible, GitLab CI/CD, GitOps, Proxmox, Proxmox Ceph, Kubernetes (k3s), OpenShift, Helm, Kustomize, Vault, OpenLDAP, HAProxy, Hetzner Robot systems, AWS, Prometheus, Grafana, Syslog Linux/Windows, Docker, NGINX, Apache Security & Compliance (BSI basic protection, SIEM/SOC)
Michael Menzel
Last position:
Deutsche Bahn
- Implemented accessibility audit recommendations for the ICE onboard portal to improve usability for screen reader and keyboard users
- Migrated end-to-end tests from Cypress to Playwright
- Refactored components to meet accessibility standards
- Introduced Prettier for consistent code formatting
Andreas Kraus
Last position:
Senior Developer at ioki GmbH, a Deutsche Bahn AG company
- Fullstack development based on Next.js and TypeScript
- Development and optimization of geospatial database queries for PostgreSQL/PostGIS
- Visualization of geospatial data using Mapbox
- Design and execution of load tests and performance optimizations
- Code reviews and documentation tasks
- Technologies: JavaScript, TypeScript, Next.js, React, Zod, tRPC, Storybooks, PostgreSQL/PostGIS, MicroORM, Knex, Material UI, Mapbox, BullMQ, Jest, Playwright, Artillery.io, K6, Sentry, Figma, GitLab, Grafana, GTFS
Patrick Pötschke
Last position:
Lead Web & FE Architect, Senior Developer at Mercedes-Benz AG / Microsoft / Alexander Thamm
- The goal was to develop a solution to improve intralogistics in Mercedes plants as part of the MO360 production ecosystem
- Lighthouse project in collaboration with Microsoft (cloud architecture) and Alexander Thamm (data engineering)
- Visualization and analysis of live data to improve logistics processes
- Prediction of delivery movements, monitoring of equipment and delivery orders, and creating relevant alerts
- Providing live dashboards for control centers, suppliers, and management
- Designing and building the web and frontend architecture
- Developing UI components and processing and visualizing real-time data streams
- Developing DevOps strategies
- Toolstack: TypeScript, NodeJS, React, NestJS, NextJS, Azure Cloud (Containers, Digital Twins, Databricks, SQL, Application Insights, Event Hubs), SCRUM, Git, Azure DevOps, Python
Discover over 15,000 top freelancers
Statistics of experts using MobX
Aggregated from the professional profiles of matched freelancers.
Experience
17 years
Position duration
1.7 years
Positions per freelancer
15
Top business areas
Information Technology, Product Development, Quality Assurance
Top industries
Information Technology, Banking and Finance, Automotive
Certification focus areas
Information Technology, Product Development, Business Intelligence
Bachelor's degree or higher
100%
Master's degree or higher
44%
Doctorate
11%
Certifications per freelancer
1
Most common languages
German, English, Spanish
Speak two or more languages
92%
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 MobX
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
Observable state
MobX is a state management library for JavaScript and TypeScript apps. It keeps data reactive, so changes in one place update the UI and derived values without manual wiring. Teams use it when they want a simple model for shared state in complex front ends.
What it powers
MobX is common in React apps, but it also fits other UI layers that need live state. It supports stores, computed values, and reactions for forms, dashboards, workflows, and rich client apps.
- React application state
- Form and wizard flows
- Dashboards and live views
- Shared domain stores
Core skills
Strong MobX professionals know observables, actions, computed values, and reactions. They also understand how to keep state predictable, avoid hidden side effects, and structure stores so the code stays testable.
They often work with JavaScript, TypeScript, React, and modern build tools. In Germany, they may need to collaborate with product teams in English and with local teams on-site or remote.
Ecosystem fit
MobX is often weighed against Redux, Zustand, or plain React state. It stands out when teams want less boilerplate and a direct mapping between domain data and UI updates.
It can also be paired with routing, API clients, testing tools, and component libraries. A good specialist knows when MobX is the right fit and when a different pattern is safer.
When to bring in help
Companies bring in freelance MobX experts when state logic has grown hard to follow, performance needs tuning, or a React app needs a cleaner structure. They are also useful during migrations from older state code or when a team needs fast support on a release.
- State refactoring
- New feature delivery
- Performance reviews
- Migration planning
What good work looks like
Good MobX work is easy to read and easy to change. Stores have clear boundaries, derivations stay cheap, and reactions are used only where they add value.
Strong experts document the state model, keep business rules out of the view, and make testing straightforward. That matters on long-lived products, especially when several teams touch the same front end.
Frequently asked questions
Key details about MobX, drawn from the questions we get asked most.
MobX is used to manage state in JavaScript and TypeScript apps, especially when the UI needs to stay in sync with changing data. It is common in React projects, but it can support other front ends too. Companies use it for forms, dashboards, workflow screens, and shared application state.
MobX usually needs less boilerplate than Redux and feels more direct when you work with domain objects. Redux is often chosen for strict patterns and explicit actions, while MobX is popular when teams want faster state modeling and less ceremony. The better choice depends on how much structure the project needs.
MobX fits better when state is shared across many components, changes often, or has derived values that should update automatically. Plain React state works well for local UI concerns, but it can become hard to manage as flows grow. A specialist can help decide where MobX adds real value.
A strong MobX specialist usually also knows React, TypeScript, and modern JavaScript well. They should understand component architecture, API integration, testing, and how to shape domain state without creating tight coupling. Experience with state debugging and code review is also useful.
MobX can be used in small features or large applications, but the complexity of the state model matters more than the number of screens. If your app has nested stores, multiple reactions, or a migration from another pattern, you need someone who has handled similar work before. Simple UI updates need less depth than cross-app state design.
Yes, MobX work is usually well suited to remote delivery because the key tasks are code, reviews, and state design. For teams in Germany, it often helps when the specialist can join workshops in English and align with local product or engineering teams when needed. On-site is mainly useful for early architecture discussions or difficult migrations.
Look for clear store design, careful use of observables and computed values, and code that stays readable after the first release. A strong MobX expert explains trade-offs, avoids unnecessary reactions, and writes tests around business behavior. Good work should make the state model simpler, not harder to understand.
MobX and MobX State Tree are related, but they are not the same thing. MobX is the core reactive state library, while MobX State Tree adds a more structured model on top. A good specialist can tell you which one fits your app and when the extra structure is worth it.
The average hourly rate of freelancers in Germany who have used MobX in their recent projects is 89 €, which corresponds to a daily rate of about 713 € based on an 8-hour working day.
Of the freelancers in Germany who have used MobX in their recent projects, 100% hold at least a Bachelor's degree, 44% hold at least a Master's degree, and 11% hold a doctorate.
On average, freelancers in Germany who have used MobX in their recent projects have 17 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 MobX in their recent projects are German (100%), English (92%), and Spanish (15%).
The most common industries among freelancers in Germany who have used MobX in their recent projects are Information Technology (100%), Banking and Finance (62%), and Automotive (54%).
The most common business areas among freelancers in Germany who have used MobX in their recent projects are Information Technology (100%), Product Development (92%), and Quality Assurance (62%).
Main locations of FRATCH Experts, who have recently used MobX
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
