RxJS Experts in Frankfurt
for reliable event-driven applications, matched in minutes with the power of AIHire experts who design reactive frontends, coordinate asynchronous workflows and connect real-time data streams with RxJS, Angular and TypeScript. FRATCH matches you quickly and precisely with vetted, available freelancers.
Meet FRATCH Experts in Frankfurt, who have recently used RxJS
Khaled T.
Last position:
Consultant / DevOps Engineer at Dr. Ing. h.c. F. Porsche Aktiengesellschaft
- Porsche ID is a unified digital identity platform providing secure authentication and seamless access across Porsche’s online services, mobile apps, and connected vehicle features
- Designed and implemented new authentication and authorization functionalities for both users and systems
- Ensured high availability, security, and performance to deliver a flawless digital experience for Porsche customers
- Technologies: Auth0, Angular, Tailwind, AWS, Terraform, Github
- Methodologies: Scrum and SAFe
Werner K.
Last position:
Test Coordinator, Designer and Engineer at IBM
- Testing the SekIDP and related components
- Test design, execution and automation, microservices, GitHub Enterprise, Eclipse, Katalon Test Platform, API Testing, Confluence 8, JIRA/Xray, Draw.io, Swagger/OpenAPI, Postman, Docker, Kubernetes, Podman, PuTTY, E-Health, Telematik, Gematik standards, EPA, E-Rezept, sektoraler IDP, encryption, XaDES, PaDES, DICOM, HL7, FHIR, IHE, ICD, SSO, SAML/Shibboleth, OAuth, smartcards, JWT, two factor authentication Android and iOS, Wireshark, BrowserStack, Cypress, gRPC, REST, SOAP, WS-Security, Linux Shell, PowerShell, SSH/SSL, Java, Kotlin, Cordova, Gradle, Groovy, Python, TypeScript
Timur Y.
Last position:
Lead Frontend Developer | Fullstack Developer at Finanz Informatik
- Further development of an application for managing personnel changes.
- Development of frontend and backend.
- Implementation of the frontend with React and Material UI.
- Implementation of the backend with Java and Spring Boot.
- Use of React, Java, Spring, TypeScript, next.js, Material UI, Github Enterprise, Figma, Docker, Playwright, swagger, swagger UI, OpenAPI, npm, yarn, git.
Thomas F.
Last position:
Senior Fullstack Developer at DB InfraGO AG
- Frontend: new development in Angular
- Backend: new development in ASP.NET Web API
- Database: modeling, implementation, and operation based on Microsoft SQL Server
- Requirements management, design, and implementation
- Deployment, maintenance, operation
- Knowledge transfer to internal staff
- Agile development (SCRUM)
Artur S.
Last position:
Senior Consultant at MHP - A Porsche Company
Mojtaba G.
Last position:
Full-Stack Software Developer at Energy Sector
- Led and coordinated consumption and price calculations for gas and electricity forecasts to ensure accurate and reliable pricing
- Implemented modern microservices and Web APIs based on .NET 7 in an Azure environment using Azure App Service, Azure Storage, and Azure Service Bus
- Built and managed infrastructure in Azure using Terraform, including resource deployment and automation of deployment processes
- Developed and maintained Azure DevOps pipelines to optimize build, test, and release workflows
- Optimized data management with SQL Server and ensured seamless integration across all services
- Developed the front end with Angular 16, TypeScript, CSS, HTML, and Kendo UI to deliver an intuitive and engaging user interface
Igor P.
Last position:
Senior Frontend Developer at Objego GmbH
Within the project, Objego's digital platform for real estate management was further developed.
Further development of various software modules within the application.
Continuous improvement and optimization of existing functionalities to enhance performance and user experience.
Design and implementation of unit tests to ensure code quality and stability.
Close collaboration with the QA team to quickly fix bugs.
Implementation of new features in coordination with stakeholders and end users.
Active member of the Scrum team with a focus on agile methods and continuous improvement of the software.
Technologies: Angular 16/17, Material, Angular CDK, Angular Elements, Nx, NgRx, NgNeat, NgX-Translate, NgX-Charts, NgX-Lottie, NgX-Markdown, Sentry, Azure AI Form Recognizer, Lodash, Dayjs, Flatpickr, Lottie-Web, Mixpanel, RxJS, Prettier, ESLint, Webpack, Cypress, Playwright, Jest, Husky, TypeScript, Node.js, Zone.js, Docker, Spring Boot, Git, Figma, Figma Token, Storybook, Jira, Confluence, Atlassian, Gitlab CI/CD, Codecov, Custom Design System, Mockoon.
Robert B.
Last position:
Lead Developer & Consultant at BIOCOM AG
Solo full-stack developer for upgrading a Rails 4 legacy application to Rails 7, including deployment setup via Capistrano and NGINX configuration
Delivered a custom admin dashboard with ChartJS reports, PDF generator and CSV batch importer via Administrate
Implemented new features for reporting, import, data management and GDPR compliance, redesigned core components
Discover over 15,000 top freelancers
Statistics of experts using RxJS
Aggregated from the professional profiles of matched freelancers.
Experience
18 years (Germany: 19 years)
Position duration
1.8 years (Germany: 1.7 years)
Positions per freelancer
17 (Germany: 15)
Top business areas
Information Technology, Product Development, Project Management
Top industries
Information Technology, Banking and Finance, Healthcare
Certification focus areas
Information Technology, Project Management, Human Resources
Bachelor's degree or higher
80% (Germany: 87%)
Master's degree or higher
40% (Germany: 27%)
Doctorate
20% (Germany: 8%)
Certifications per freelancer
3 (Germany: 2)
Most common languages
German, English, Russian
Speak two or more languages
100% (Germany: 99%)
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 Frankfurt 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 Frankfurt using RxJS
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.
RxJS 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 (75%)
- Healthcare (75%)
- Transportation (63%)
- Automotive (50%)
- Education (50%)
- Manufacturing (50%)
- Energy (38%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
Reactive programming
RxJS, short for Reactive Extensions for JavaScript, is a library for composing asynchronous and event-based programs with observable sequences. It lets applications represent changing values, user actions, network responses and system events as streams that can be combined, transformed and observed. This approach is common in Angular applications and browser interfaces that must stay responsive as data changes.
What it builds
RxJS is used where several asynchronous processes must work together without tangled callback logic. Typical deliverables include:
- Reactive Angular interfaces with live updates
- Search, filtering and autocomplete flows
- Real-time dashboards and notifications
- Event-driven workflows across services
- Resilient API and WebSocket integrations
Operators and ecosystem
Strong RxJS work depends on understanding observables, subjects, subscriptions and operators such as map, switchMap, mergeMap, catchError and shareReplay. Specialists commonly pair it with TypeScript, Angular, JavaScript, WebSockets, REST APIs and state tools such as NgRx. They also use marble testing, RxJS TestScheduler and browser debugging tools to inspect timing and stream behavior.
When companies need help
Companies often bring in freelance RxJS expertise when reactive code has become difficult to test, cancel or maintain. It is also useful during an Angular migration, a real-time product launch or a redesign of shared application state. In Frankfurt, this can support finance, logistics, mobility and software teams working across local offices and remote delivery groups.
Quality signals
A capable professional keeps streams understandable and controls subscription lifecycles carefully. They choose operators based on concurrency, cancellation and error behavior rather than habit. Good work includes clear boundaries between UI state, domain events and transport data, plus tests for timing, retries, completion and failure paths. They can explain why a stream is shaped a certain way.
Collaboration and delivery
An RxJS specialist should connect reactive design to the wider application instead of treating it as an isolated library. Useful project discussions cover browser support, API contracts, event volume, cancellation rules, loading states and observability. Remote collaboration works well when diagrams, stream contracts and review practices are explicit; Frankfurt teams may also value German or English communication for close coordination.
Frequently asked questions
Curious about RxJS? Here are the answers that come up again and again.
RxJS is used to manage asynchronous and event-based behavior through observable streams. Companies use it for reactive Angular interfaces, live search, WebSocket updates, notifications, form flows and coordination between API requests.
RxJS handles ongoing streams and supports operators for combining, transforming, retrying and cancelling events. A Promise represents one eventual result, while an observable can model repeated values and can remain lazy until subscribed to.
A strong RxJS specialist usually also understands TypeScript, JavaScript, Angular, REST APIs and WebSockets. Experience with state management, testing asynchronous behavior and browser performance makes the expertise more useful in production systems.
Advanced RxJS experience helps when many streams interact, cancellation matters or failures must be handled without breaking the interface. It is especially valuable for real-time products, complex Angular applications and codebases where subscriptions or shared state are hard to reason about.
RxJS work can be delivered remotely when stream contracts, API behavior and testing expectations are documented clearly. Frankfurt teams should agree early on communication language, review routines and the points where on-site collaboration adds value.
RxJS is independent of Angular and can be used with plain JavaScript, React, Vue, Node.js or other TypeScript applications. Angular has a particularly strong connection to the library, but the observable model is useful wherever event streams and asynchronous workflows need structure.
Review whether RxJS code has clear stream ownership, predictable error handling and controlled subscription lifecycles. Ask the specialist to explain operator choices, cancellation behavior and how the code is tested under timing and failure conditions.
Reactive Extensions for JavaScript is the expanded name behind RxJS, which belongs to the wider ReactiveX family. The terminology refers to composing asynchronous and event-based programs with observable sequences and operators.
The average hourly rate of freelancers in Frankfurt, Germany who have used RxJS in their recent projects is 92 €, which corresponds to a daily rate of about 737 € based on an 8-hour working day.
Of the freelancers in Frankfurt, Germany who have used RxJS in their recent projects, 80% hold at least a Bachelor's degree, 40% hold at least a Master's degree, and 20% hold a doctorate.
On average, freelancers in Frankfurt, Germany who have used RxJS in their recent projects have 18 years of professional experience, with a single engagement typically lasting around 1.8 years.
The most common languages among freelancers in Frankfurt, Germany who have used RxJS in their recent projects are German (100%), English (100%), and Russian (25%).
The most common industries among freelancers in Frankfurt, Germany who have used RxJS in their recent projects are Information Technology (100%), Banking and Finance (75%), and Healthcare (75%).
The most common business areas among freelancers in Frankfurt, Germany who have used RxJS in their recent projects are Information Technology (100%), Product Development (100%), and Project Management (50%).
Main locations of FRATCH Experts, who have recently used RxJS
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.
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Munich Request a free demo
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