Real-Time Backends at Scale
Free Advanced course · 10 lessons · 4 weeks · Certificate on completion
Scale WebSocket and pub/sub systems to many concurrent users. Across 10 lessons you'll move from fundamentals to a portfolio-ready outcome — at your own pace, with quizzes after each lesson and a final exam to certify your mastery.
What you'll learn
- Real-time requirements
- Connection handling
- Horizontal scaling
- Pub/sub backplanes
- Presence at scale
- Ordering and delivery
Skills you'll pick up
- Real-time requirements
- Connection handling
- Horizontal scaling
- Pub/sub backplanes
- Presence at scale
- Ordering and delivery
Tools covered
- Real-Time Backends
- Real-world projects
- Quizzes
- Final exam
Course modules
Module 1: Real-time requirements
Module 1 of Real-Time Backends at Scale. 3 lessons · 3h
Module 2: Pub/sub backplanes
Module 2 of Real-Time Backends at Scale. 3 lessons · 3h
Module 3: Backpressure
Module 3 of Real-Time Backends at Scale. 2 lessons · 2h
Module 4: Load testing
Module 4 of Real-Time Backends at Scale. 2 lessons · 2h
Lessons in this course
- Real-time requirements
- Connection handling
- Horizontal scaling
- Pub/sub backplanes
- Presence at scale
- Ordering and delivery
- Backpressure
- Authentication
- Load testing
- Case: a live scoreboard
Instructor
Lucas Moreau — Distributed Systems Engineer
Lucas Moreau is a Distributed Systems Engineer with years of hands-on experience teaching Real-Time Backends to thousands of learners worldwide.
Certificate
Finish every lesson and pass the final exam to earn a free, verifiable Learnera certificate for Real-Time Backends at Scale. It can be downloaded as a PDF and shared on LinkedIn.
Career outcomes
Median global salary $145,000 per year · median India salary ₹20,30,000 per year · 22,792 open roles worldwide
- Real-Time Backends Specialist
- Senior Real-Time Backends Lead
- Real-Time Backends Consultant
Frequently asked questions
Is the Real-Time Backends at Scale course free?
Yes. Every Learnera course, including Real-Time Backends at Scale, is completely free — lessons, quizzes, the final exam, and the certificate.
How long does Real-Time Backends at Scale take?
10 lessons, typically completed in 4 weeks at a comfortable pace.
Do I get a certificate?
Yes — pass the final exam and you receive a free, verifiable certificate you can share on LinkedIn.