Node.js Streams for High-Performance Applications — PickAClass
⏱ 2h 48m 📚 28 lessons

Node.js Streams for High-Performance Applications

Learn to process massive datasets efficiently, prevent memory leaks, and build scalable backends using modern Node.js stream APIs and async iterators.

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About this course

Handling large files or real-time data in Node.js can easily overwhelm your system's memory if you load everything at once. Learning how to process data in chunks is the key to building fast, scalable backend applications. This text-based course guides you from the absolute basics of data streaming to implementing robust, memory-efficient data pipelines in your backend applications. What you'll learn: Understand the core concepts of streams, buffers, and why chunk-by-chunk processing saves system memory; Implement Readable, Writable, Duplex, and Transform streams for custom data manipulation; Manage backpressure automatically to prevent fast data producers from overwhelming slow consumers; Use modern pipeline utilities with AbortSignal to build safe, error-resistant data flows; Integrate async iterators with streams for cleaner, more readable asynchronous code; Practice reading and writing large files, processing data formats, and streaming HTTP responses through written exercises. You will start with foundational definitions of streams and buffers, then progress to building custom stream pipelines and handling errors gracefully using modern Node.js patterns. This course is designed for beginner to intermediate Node.js developers who want to improve application performance. No prior experience with streams is required, though basic JavaScript and Node.js familiarity is helpful. Start reading today to unlock the full power of efficient data handling in Node.js.

Course contents

What you'll get

  • 📜 Certificate of completion
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  • 💬 Personal AI tutor
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  • 📱 Phone or computer
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  • ⚡ Short & focused
    2h 48m of practical content

Certificate of completion

Every course you complete on PickAClass issues a credential like this — original, with its own code, verifiable by URL, and detailed about what was actually demonstrated.

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Node.js Streams for High-Performance Applications
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1.2 hrs
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Performance detail
Coursework summary
Lessons completed 14 / 14
Practice questions 26 / 28
Assignments submitted 4 (avg 4.5 / 5)
Capstone project Reviewed — 4.6 / 5
Total practice 6.2 hrs
Performance benchmark
Cohort rank Top 12% of 1,625
Time to completion 11 days (median: 22)
Mastery score 91 / 100
Practice-question score 94%
Skill verification Verified Skill Path
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pickaclass.com/certificates/PCC-2026-X4F7-AP19
Issued under the academic standards of PickAClass. Skill levels reflect assessed performance against the course's competency rubric. This is an original credential of this platform.

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Yes — full refund within 14 days, no questions asked.

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Yes. On completion you'll receive a certificate you can add to your LinkedIn profile.

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