https://www.techinterview.org/post/3233470865/lld-reactions-service/
Low Level Design: Reactions Service – techinterview
Apr 17, 2026 - Design a reactions service supporting multiple emoji reactions, reaction counts, per-user reaction state, and real-time count updates at scale.
low level designreactionsservice
https://www.techinterview.org/post/3233471822/lld-video-conferencing/
Low Level Design: Video Conferencing Service – techinterview
Jun 30, 2026 - Design a video conferencing service: signaling server, WebRTC peer connections, SFU media routing, adaptive bitrate, recording, and participant management.
low level designvideo conferencing service
https://adsbookmark.com/story22234736/the-crucial-role-of-low-level-design-lld-in-software-engineering
The Crucial Role of Low-Level Design (LLD) in Software Engineering
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https://socialdummies.com/story7132091/why-you-need-to-learn-low-level-design-for-interviews
Why You Need to Learn Low-Level Design for Interviews
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https://bookmarkedblog.com/story1086473/why-is-low-level-design-lld-important
Why Is Low-Level Design (LLD) Important?
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https://active-bookmarks.com/story21914295/hld-vs-low-level-design-understanding-the-plan-record-contrast
HLD vs. Low-Level Design : Understanding the Plan Record Contrast
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https://www.techinterview.org/post/3233467925/lld-currency-converter/
Currency Converter Service Low-Level Design – techinterview
Apr 17, 2026 - Learn how to design a currency converter service with rate caching, cross-rate calculation, Decimal precision, staleness detection, and per-currency formatting...
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https://www.lowleveldesignmastery.com/interview-guide/case-studies/medium/atm-system/
ATM System | Low Level Design Mastery
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https://allyourbookmarks.com/story22143653/why-you-need-to-learn-low-level-design-for-interviews
Why You Need to Learn Low-Level Design for Interviews
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https://www.techinterview.org/post/3233470089/lld-pdf-service/
PDF Service Low-Level Design: Template Rendering, Digital Signing, and Async Generation –...
Apr 17, 2026 - Design a PDF service with HTML-to-PDF template rendering, digital signature embedding, async job queue, and secure download.
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https://www.techinterview.org/post/3233470330/lld-caption-service/
Caption Service Low-Level Design: Timed Text Generation, Multi-Language Support, and Sync...
Apr 17, 2026 - Design a caption service with timed text generation, multi-language support, WebVTT/SRT output, and sync correction workflow.
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https://www.techinterview.org/post/3233468932/lld-collaborative-editing/
Collaborative Document Editing Low-Level Design: OT, CRDT, Conflict Resolution, and Cursor Sync –...
Jul 5, 2026 - Low-level design of collaborative document editing: Operational Transformation vs CRDT approaches, conflict resolution, real-time cursor synchronization, and...
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https://algomaster.io/practice/low-level-design/refactor-plugin-lifecycle-hooks
Refactor Plugin Lifecycle Hooks | Low-Level Design Practice | AlgoMaster.io
Solve Refactor Plugin Lifecycle Hooks on AlgoMaster. Implement the class, pass the test cases, and get a design review.
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https://hyperbookmarks.com/story22088677/why-is-low-level-design-lld-important
Why Is Low-Level Design (LLD) Important?
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https://www.techinterview.org/post/3233469041/lld-document-store/
Document Store Low-Level Design: Schema Flexibility, Indexing, and Query Engine – techinterview
Jun 30, 2026 - Low-level design of a document store: JSON document storage, secondary index maintenance, query operators (eq, range, array contains), and aggregation pipeline.
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https://gatherbookmarks.com/story23021774/architectural-blueprint-vs-low-level-design-understanding-crucial-system-difference
Architectural Blueprint vs. Low-Level Design : Understanding Crucial System Difference
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https://leftbookmarks.com/story22158544/mastering-low-level-design-why-it-matters
Mastering Low-Level Design: Why It Matters
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https://getsocialsource.com/story7616222/hld-vs-lld-why-low-level-design-is-critical
HLD vs LLD: Why Low-Level Design is Critical
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https://www.beunwrapd.in/arena/playlists/lld-code-aryan
Low Level Design (LLD) — Free Video Playlist | Beunwrapd Arena | Beunwrapd
Master Low Level Design (LLD) with our curated YouTube video playlist. Track your progress, take notes, and learn from the best educators for free on Beunwrapd...
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https://www.intervue.io/backend-interviews-for-low-level-design-entry-level
Outsource Backend Interviews for Low Level Design
Efficient Backend LLD interview outsourcing with Intervue. Outsource interview as service, start free!
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https://indgeek.com/learn/lld/oop
Object oriented programming | Low level design • IndGeek
Every program is data, plus the code that changes it. The only real question is where you keep the two.
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https://ragingbookmarks.com/story22040783/hld-vs-low-level-design-the-grasping-the-design-difference
HLD vs Low-Level Design: The Grasping The Design Difference
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https://sirketlist.com/story23868993/architectural-vs-low-level-design-knowing-the-important-differences
Architectural vs. Low-Level Design: Knowing the Important Differences
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https://www.techinterview.org/post/3233471001/lld-map-tiles/
Low Level Design: Map Tiles Service – techinterview
Apr 17, 2026 - Design a map tiles service with vector and raster tile generation, tile pyramid storage, CDN delivery, and dynamic style rendering at zoom levels.
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https://www.techinterview.org/post/3233469512/lld-image-optimizer/
Image Optimization Service Low-Level Design: On-the-Fly Transforms, Format Selection, and...
Jun 30, 2026 - Design an image optimization service: on-the-fly resizing and format conversion, WebP/AVIF negotiation via Accept header, quality-based perceptual optimization...
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https://www.hellointerview.com/learn/low-level-design/problem-breakdowns/rate-limiter
Rate Limiter Low Level Design | Hello Interview Low Level Design
Create a low level design for a rate limiter system.
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https://sites2000.com/story11881730/hld-vs-low-level-design-a-significant-technical-disparity
HLD vs. Low-Level Design : A Significant Technical Disparity
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