MobX Experts in Germany
matched in minutes with the power of AIWork with specialists who architect transparent reactive state systems, integrate MobX-State-Tree, and optimize complex frontends, precisely matched through our platform.
Meet FRATCH Experts in Germany, who have recently used MobX
Patrick L.
Last position:
Senior GenAI Fullstack Developer at SBH (Schulbau Hamburg)
Remote freelance role focused on Agentic AI strategy, secure application patterns, and reusable agentic workflows for a government agency.
- Development and implementation of an open-source Agentic AI strategy for a government agency, with a focus on GDPR, security, and self-hosted solutions
- Development of reusable agentic workflows and business applications that enable non-technical employees to solve business problems independently
- Implementation of nine business applications with Single Sign-On (SSO) and Azure PostgreSQL integration on Hetzner Linux servers
Techstack: Python, Streamlit, Anthropic SDK (Claude), Azure, Linux, PostgreSQL, MS SQL, Angular
Aurelia H.
Last position:
Software Full Stack Developer at INNIO Jenbacher GmbH & Co OG
- Implementing and extending an Electron app based on TypeScript, React and Node.js to display stream content and technical data
- Extending a Kotlin backend for message processing via Kafka
- Extending various React modules
- Programming custom solutions for customers, including testing
- Creating documentation
- Development in accordance with Scrum processes
Used skills: React, React Hooks, Jest, Vitest, Typescript, Electron, IntelliJ, Vite, Github, Jira, Node.js, yarn, npm, pnpm, Swagger, OpenAPI, Storybook, Docker, Prettier, Eslint, tailwindcss, i18n, GraphQL, CoPilot, Postgres, JSON, Sqlite, trpc, influxdb, Java, Spring, Kotlin, Kafka, Git, Sonarcube
Cedric O.
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 K.
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 G.
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
Andreas K.
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
Arne H.
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
Taher S.
Last position:
DevOps Engineer at Confidential
- Working with developers, security, and operations teams to align requirements
- Supporting product owners and development teams in using 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 further developing 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 operating Kubernetes (k3s) clusters on Fedora CoreOS including base services such as Vault, OpenLDAP, and HA Proxy
- Implementing security-critical infrastructures according to BSI baseline protection and securing existing systems
- Supporting the operation of solutions in cloud environments (including AWS)
- Working in agile teams using Scrum and Kanban
- Technologies/ applications: 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, HA Proxy, Hetzner Robot systems, AWS, Prometheus, Grafana, Syslog Linux/Windows, Docker, NGINX, Apache Security & Compliance (BSI baseline protection, SIEM/SOC)
Kshiti P.
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
Michael M.
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
Tymur A.
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 S.
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 R.
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
Patrick P.
Last position:
Lead Web & FE Architect, Senior Developer at Mercedes-Benz AG / Microsoft / Alexander Thamm
- The objective was to create a solution to improve intralogistics in Mercedes factories as part of the MO360 production ecosystem
- Lighthouse project together 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 facilities and delivery orders, and creation of corresponding alerts
- Provision of live dashboards for control centers, suppliers, and management
- Design and development of the web and frontend architecture
- Development of UI components and processing and visualization of real-time data streams
- Development of DevOps strategies
- Toolstack: TypeScript, NodeJS, React, NestJS, NextJS, Azure Cloud (Container, Digital Twins, Databricks, SQL, Application Insights, Event Hubs), SCRUM, Git, Azure DevOps, Python
Hendrik B.
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
Discover over 15,000 top freelancers
Statistics of experts using MobX
Aggregated from the professional profiles of matched freelancers.
Experience
16 years
Position duration
1.6 years
Positions per freelancer
16
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
40%
Doctorate
10%
Certifications per freelancer
2
Most common languages
German, English, Spanish
Speak two or more languages
93%
Based on our profile pool as of 29 Oct 2026.
Daily rate distribution
The chart shows how the daily rates of experts in this technology in Germany are distributed, based on recent contracts on our platform. Each bar covers a rate range — its height shows the share of experts charging 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 29 Oct 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
MobX 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 (67%)
- Automotive (53%)
- Education (53%)
- Government and Administration (53%)
- Manufacturing (47%)
- Energy (40%)
- Transportation (40%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
Transparent Reactive State Management
MobX is a battle-tested reactive state library for JavaScript and TypeScript applications. It uses transparent functional reactive programming to keep user interfaces synchronized with application state automatically. By tracking property access at runtime, it minimizes boilerplate and prevents unnecessary component re-renders.
Core Architecture and Tooling Ecosystem
Modern frontends leverage the library across diverse frameworks and tooling layers:
- MobX-React and mobx-react-lite for declarative view bindings
- MobX-State-Tree for opinionated runtime type checks and structural models
- TypeScript for end-to-end typed actions, observables, and computed values
- Bundlers like Vite and Webpack paired with Babel or SWC decorator transforms
Common Use Cases in Digital Products
Teams implement the library when handling intricate, highly dynamic clients that require low-latency updates. Typical environments include data-intensive trading desks, real-time analytics dashboards, collaborative whiteboards, and large-scale industrial IoT interfaces where manual caching and normalized relational stores become hard to maintain.
Enterprise Adoption Across Germany
Organizations across Germany, from fintech hubs in Frankfurt to enterprise SaaS and automotive companies in Munich and Berlin, rely on the library. These teams value predictable client performance, clean domain separation, and maintainable state flows that align with strict product lifecycles and compliance standards.
When Engineering Teams Bring in Outside Help
Organizations recruit external specialists during critical architectural phases:
- Migrating complex legacy state stores away from verbose Redux boilerplate
- Resolving subtle reactivity leaks and untracked mutations causing stale UI states
- Designing clean domain models with MobX-State-Tree for large engineering groups
- Auditing client performance to eliminate re-render bottlenecks in high-frequency views
Hallmarks of Seasoned Specialists
True specialists demonstrate deep knowledge of observable lifecycles, action batching, and autorun side effects. They avoid overusing reactions, structure clean dependency graphs, and write comprehensive unit tests using modern test runners to guarantee long-term stability and effortless team onboarding.
Frequently asked questions
Key details about MobX, drawn from the questions we get asked most.
Using MobX, teams eliminate verbose state boilerplate by applying transparent functional reactive programming. The library automatically tracks which properties components depend on and triggers surgical re-renders only when those specific values change. This approach speeds up development and maintains high client performance in complex screens.
Unlike Redux, which enforces strict immutability, action creators, and normalized state trees, MobX embraces mutable data wrapped in transparent observables. Zustand offers minimal hooks-based state with immutable updates, whereas MobX-State-Tree and standard reactive stores excel at rich object-oriented domain models with fine-grained reactivity.
A qualified MobX professional brings deep mastery of TypeScript, modern React patterns, and micro-frontend structures. They are also proficient with automated testing frameworks such as Jest or Vitest, as well as bundle optimizers like Vite and Webpack for proper decorator handling.
MobX-State-Tree, or MST, is an opinionated framework built on top of MobX that provides full runtime type checking, snapshots, and JSON patches. It is ideal for enterprise projects requiring centralized models, time-travel debugging, and structured state serialization without losing the benefits of fine-grained reactivity.
Strong candidates explain the difference between computed getters and autorun side effects clearly and understand how MobX tracks dependencies under the hood. They provide concrete examples of debugging infinite reaction loops, managing store lifecycles in single-page apps, and enforcing strict action boundaries across domain stores.
Freelancers working with MobX in Germany integrate cleanly across cross-functional Scrum teams, whether working remotely or on hybrid schedules in hubs like Berlin or Munich. Most German technical organizations run daily standups and architectural reviews in English, though local compliance knowledge remains an asset.
Yes, an experienced MobX specialist can introduce observable stores alongside existing Context or Redux systems without rewriting the entire codebase at once. Isolated feature modules or performance-critical dashboard views can be migrated first to demonstrate tangible performance improvements.
While most commonly paired with mobx-react-lite, MobX is completely framework-agnostic and functions in any modern JavaScript runtime. It serves as an effective state engine for vanilla TypeScript applications, Node.js microservices, Vue components, and cross-platform mobile apps built with React Native.
The average hourly rate of freelancers in Germany who have used MobX in their recent projects is 88 €, which corresponds to a daily rate of about 707 € 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, 40% hold at least a Master's degree, and 10% hold a doctorate.
On average, freelancers in Germany who have used MobX in their recent projects have 16 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 MobX in their recent projects are German (100%), English (93%), and Spanish (13%).
The most common industries among freelancers in Germany who have used MobX in their recent projects are Information Technology (100%), Banking and Finance (67%), and Automotive (53%).
The most common business areas among freelancers in Germany who have used MobX in their recent projects are Information Technology (100%), Product Development (93%), and Quality Assurance (53%).
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
