Reactive Programming With Rxjs Training Course in Ukraine
Introduction
The Reactive Programming with RxJS Training Course is a high-impact, hands-on program designed for modern software developers who want to build highly responsive, scalable, and maintainable applications using reactive paradigms. Asynchronous data streams, event-driven logic, and state management are at the core of today’s frontend and backend systems. RxJS (Reactive Extensions for JavaScript) is the leading library that empowers developers to handle real-time data and complex event flows with elegance and efficiency.
This training course delivers practical expertise in reactive design patterns, observables, operators, and advanced composition techniques using RxJS. Participants will gain deep insights into how to integrate RxJS with frameworks like Angular and React, and will develop the ability to simplify asynchronous logic, manage concurrency, and build cleaner, testable code. Whether you’re working on user interfaces, APIs, or real-time systems, mastering RxJS is essential for reactive software excellence.
Target Audience
- Frontend Developers working with Angular, React, or Vue
- JavaScript Developers building complex asynchronous workflows
- Software Engineers designing scalable web apps
- Backend Developers integrating event-driven systems
- Technical Leads adopting reactive architecture
- DevOps and API Engineers working with data streams
- QA Engineers automating event-based testing workflows
Course Objectives
- Understand the core principles of reactive programming
- Learn the architecture and use cases of RxJS in JavaScript applications
- Create and manage observables, observers, and subscriptions
- Apply transformation, filtering, and combination operators effectively
- Handle errors, retries, and completion events gracefully
- Build complex reactive data flows and chains
- Integrate RxJS into Angular, React, and backend systems
- Optimize performance and memory usage in reactive systems
- Test reactive code using marble testing and other strategies
- Build real-world projects using advanced RxJS patterns
Duration
10 Days
Course content
Module 1: Introduction to Reactive Programming
- Reactive paradigm vs imperative programming
- Asynchronous data streams and push-based logic
- Benefits and challenges of reactive programming
- Real-world use cases and applications
- Overview of RxJS in the JavaScript ecosystem
Module 2: Getting Started with RxJS
- Setting up the RxJS environment
- Understanding observables and subscriptions
- Creating custom observables from events, arrays, and promises
- Unicasting and multicasting streams
- Managing cleanup with unsubscribe and takeUntil
Module 3: Core Operators and Transformations
- Transforming data with map, pluck, and scan
- Filtering streams with filter, debounceTime, and distinctUntilChanged
- Combining streams with merge, concat, zip, and combineLatest
- Handling asynchronous sequences with switchMap and mergeMap
- Chaining operators for clean reactive logic
Module 4: Error Handling and Retry Strategies
- Catching and handling errors in observable streams
- Using catchError and retry operators
- Designing resilient pipelines with fallback logic
- Best practices for robust reactive error management
- Managing retry delays and exponential backoff
Module 5: Subjects and Multicasting
- Using Subject, BehaviorSubject, and ReplaySubject
- Multicasting events to multiple subscribers
- Applying share and shareReplay for performance
- Managing state and events with subjects
- Comparison of subjects and observables
Module 6: RxJS with Angular and React
- RxJS as the backbone of Angular's HttpClient and forms
- Using observables in Angular components and services
- Integrating RxJS with React using hooks
- Managing component state with observables
- Debouncing UI interactions and API calls
Module 7: Time-Based and Conditional Operators
- Using delay, timer, interval, and throttleTime
- Conditional logic with takeWhile, skipWhile, and iif
- Creating animations and loading indicators
- Controlling flow with pause/resume patterns
- Reactive timers and intervals in real-time apps
Module 8: Testing RxJS Code Effectively
- Introduction to marble testing syntax
- Writing deterministic tests for async streams
- Using TestScheduler to simulate time
- Mocking observables in unit tests
- Test strategies for operator chains and errors
Module 9: State Management with RxJS
- Reactive state containers using BehaviorSubject
- Combining local and remote data reactively
- Avoiding memory leaks and redundant updates
- Dynamic UI updates through reactive streams
- Reactive store patterns in modern apps
Module 10: Advanced Patterns and Best Practices
- Higher-order observables and flattening strategies
- Cancellation and concurrency management
- Lazy loading and reactive pagination
- Building composable and reusable operators
- Performance profiling and optimization techniques
Module 11: Real-Time Use Cases with WebSockets and APIs
- Consuming real-time data streams from APIs
- Using WebSocketSubject for bi-directional communication
- Merging real-time and static data
- Auto-reconnect and reactive polling
- Building chat, stock ticker, and IoT dashboards
Training Approach
This course will be delivered by our skilled trainers who have vast knowledge and experience as expert professionals in the fields. The course is taught in English and through a mix of theory, practical activities, group discussion and case studies. Course manuals and additional training materials will be provided to the participants upon completion of the training.
Tailor-Made Course
This course can also be tailor-made to meet organization requirement. For further inquiries, please contact us on: Email: info@skillsforafrica.org, training@skillsforafrica.org Tel: +254 702 249 449
Training Venue
The training will be held at our Skills for Africa Training Institute Training Centre. We also offer training for a group at requested location all over the world. The course fee covers the course tuition, training materials, two break refreshments, and buffet lunch.
Visa application, travel expenses, airport transfers, dinners, accommodation, insurance, and other personal expenses are catered by the participant
Certification
Participants will be issued with Skills for Africa Training Institute certificate upon completion of this course.
Airport Pickup and Accommodation
Airport pickup and accommodation is arranged upon request. For booking contact our Training Coordinator through Email: info@skillsforafrica.org, training@skillsforafrica.org Tel: +254 702 249 449
Terms of Payment: Unless otherwise agreed between the two parties’ payment of the course fee should be done 10 working days before commencement of the training.
| Dates | Fees | Location | Apply |
|---|---|---|---|
| 07/07/2025 - 18/07/2025 | $3000 | Nairobi, Kenya |
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| 14/07/2025 - 25/07/2025 | $5500 | Johannesburg, South Africa |
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| 14/07/2025 - 25/07/2025 | $3000 | Nairobi, Kenya |
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| 04/08/2025 - 15/08/2025 | $3000 | Nairobi, Kenya |
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| 11/08/2025 - 22/08/2025 | $3500 | Mombasa, Kenya |
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| 18/08/2025 - 29/08/2025 | $3000 | Nairobi, Kenya |
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| 01/09/2025 - 12/09/2025 | $3000 | Nairobi, Kenya |
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| 08/09/2025 - 19/09/2025 | $4500 | Dar es Salaam, Tanzania |
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| 15/09/2025 - 26/09/2025 | $3000 | Nairobi, Kenya |
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| 06/10/2025 - 17/10/2025 | $3000 | Nairobi, Kenya |
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| 13/10/2025 - 24/10/2025 | $4500 | Kigali, Rwanda |
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| 20/10/2025 - 31/10/2025 | $3000 | Nairobi, Kenya |
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| 03/11/2025 - 14/11/2025 | $3000 | Nairobi, Kenya |
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| 10/11/2025 - 21/11/2025 | $3500 | Mombasa, Kenya |
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| 17/11/2025 - 28/11/2025 | $3000 | Nairobi, Kenya |
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| 01/12/2025 - 12/12/2025 | $3000 | Nairobi, Kenya |
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| 08/12/2025 - 19/12/2025 | $3000 | Nairobi, Kenya |
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