HLD System Design Blueprints
Six high-level design chapters covering interview framing, APIs, data models, scaling, queues, caching, failures, and trade-offs.
IntermediateSelf-paced
Full-Stack System Design Interview Mastery
A premium creator-only interview course for 3-5 YOE full-stack developers covering HLD system design, OOP, SOLID, LLD, database design, normalization, indexing, transactions, and backend trade-offs. The course is rewritten from CuriousDevLabs study material into 18 long-form, interview-style chapters.
By Sagar SainiLead Engineer with expertise in scalable backend systems, cloud services, data structures and full-stack development18 lessons3 modules3h 42m
What you’ll be able to explain
OOP, SOLID and LLD
Object-oriented design, SOLID, design patterns, clean code, and practical low-level design case studies.
Database, SQL and Backend Foundations
DBMS fundamentals, normalization, SQL schemas, indexing, transactions, and data modeling trade-offs for real backend systems.
Course curriculum
18 lessons across 3 modules
Instructor
Sagar Saini
Lead Engineer with expertise in scalable backend systems, cloud services, data structures and full-stack development. Currently working with Arcesium (D.E. Shaw group). I mentor learners in DSA, system design, and project building with clear, practical, industry-driven guidance
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₹199
90% OFF₹2,00018 lessons