The Wisen Difference
RxJS Course for Reactive Programming Careers
RxJS Course at Wisen, Chennai, India, develops practical skills for building asynchronous, event-driven logic with reactive streams. Learn observables, operators, subjects, schedulers, error handling, multicasting, debugging, and testing through AI-Paired Training and project-focused development workflows.
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Project-Relevant RxJS Development
Reactive Streams Skills
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Course curriculum
RxJS Course syllabus — observables, operators and data streams
The RxJS Course syllabus covers observables and subscriptions, the core operator families, higher-order flattening strategies and the subjects, scheduling and marble testing that follow.
Reactive Foundations
- What reactive programming means
- Push against pull data models
- Promises compared with observables
- Single values against streams
- Where RxJS is used in practice
- Installing and importing RxJS
- The Observable type
- The observer contract
- next, error and complete
- Subscribing to an observable
- The Subscription object
- Unsubscribing and teardown
- Cold observables
- Hot observables
- Making a cold observable hot
- Unicast against multicast
- Synchronous and asynchronous emissions
- Marble diagram notation
- Reading marble diagrams
- The pipeable operator model
- The pipe function
- A first end-to-end stream
- 27+
- Years of training
Delivering technical training from Chennai since 1998. - 17,700+
- Learners empowered through training
Corporate teams, IT working professionals, career switchers and students. - 2,700+
- Happy students / year
Learners completing our programmes every year. - 30+
- Corporate clients
Product companies, service firms and startups.
Corporate training
Teams that train with Wisen IT Solutions, Chennai
Engineering teams across product companies, IT services firms and startups run their JavaScript, Angular, React and Next.js upskilling with us.
Altimetrik 
Aparajitha Corporate Services 
Caresoft 
Dzine Hub 
Firstsource 
Gigamon 
Helios and Matheson 
NextGen Healthcare 
Perpetuuiti Technosoft 
R Systems 
SRM Institute of Science and Technology 
Temenos 
The Hindu 
Tamil Nadu Electricity Board 
WABCO
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