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Technical Tutorials for Software Engineers

Go beyond syntax with practical technical tutorials built around implementation decisions, production constraints, debugging, and maintainable engineering.

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Event Loop Explained with Examples: How JavaScript Handles Asynchronous Tasks

Discover how the JavaScript event loop manages asynchronous tasks with clear examples, practical insights, and common pitfalls to avoid in production systems.

18 min readJul 16, 2026
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Technical TutorialTechnical Tutorial

How to Create Your First Next.js Project: A Practical Guide

Learn how to create your first Next.js project with practical steps, real-world examples, and expert tips to build scalable React applications efficiently.

12 min readJul 16, 2026
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Technical TutorialTechnical Tutorial

Build An Ai Chatbot with Next.js: A Comprehensive Guide

Learn how to build a powerful AI chatbot using Next.js with detailed steps, practical examples, and best practices for implementation, security, and operations.

18 min readJul 16, 2026
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Part 6 - Mastering Binary Search: Learning to Exploit Ordered Data Through the Spark Framework

Learn how to recognize Binary Search in coding interviews, including sorted arrays, boundaries, and search-on-answer problems.

32 min readJul 9, 2026
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Part 4 - Mastering Hashmap: Learning When Memory Is More Valuable Than Speed

Learn when HashMap helps coding interview problems, how it supports patterns, and how to justify lookup, counting, grouping, and visited-state decisions.

31 min readJul 9, 2026
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Technical TutorialTechnical Tutorial

the Spark Interview Workbook: 100 Coding Interview Problems That Train Pattern Recognition Instead of Memorization

Practice 100 coding interview problems through the SPARK framework with signals, properties, assumptions, rejected patterns, and interviewer feedback.

90 min readJul 9, 2026
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Part 8 - Mastering Heaps & Priority Queues: Learning to Continuously Track the Most Important Element Through the Spark Framework

Learn how to recognize Heap and Priority Queue problems in coding interviews, including Top K, streams, scheduling, and dynamic priority.

32 min readJul 9, 2026
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Technical TutorialTechnical Tutorial

Part 7 - Mastering Prefix Sum: Learning to Reuse Previous Work Through the Spark Framework

Learn how to recognize Prefix Sum in coding interviews, compare it with Sliding Window, and use Prefix Sum with HashMap for subarray problems.

31 min readJul 9, 2026
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Technical TutorialTechnical Tutorial

Think Before You Code: A Framework for Recognizing Dsa Patterns During Interviews

Learn how to recognize DSA patterns in interviews using signals, properties, reasoning, assumptions, and the SPARK framework.

24 min readJul 9, 2026
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Part 5 - Mastering Trees: Choosing Between Dfs and Bfs Through the Spark Framework

Learn how to recognize tree problems, choose DFS or BFS, and explain traversal decisions in coding interviews using the SPARK framework.

32 min readJul 9, 2026
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Part 3 - Mastering Two Pointers: Learning When One Pointer Isn't Enough

Learn how to recognize Two Pointers in coding interviews using SPARK, movement rules, assumptions, traps, and interview reasoning.

30 min readJul 9, 2026
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Part 2 - Mastering Sliding Window: Learning to Recognize the Pattern Before Writing Code

Learn how to recognize Sliding Window in coding interviews using SPARK, signals, assumptions, traps, and interview reasoning.

28 min readJul 9, 2026
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How G.s.c.w. Makes You Stand Out in A Whatsapp System Design Interview

Learn how the G.S.C.W. framework helps senior engineers stand out in WhatsApp system design interviews by signaling security, scale, resilience, and observabili

14 min readJun 30, 2026
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the G.s.c.w. Framework: How to De-risk Any System Design Interview Component By Component

Learn the G.S.C.W. framework for system design interviews: Guard, Speed, Crash, and Watch every component for security, scale, resilience, and observability.

13 min readJun 30, 2026
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the Write-heavy Database Blueprint: Choosing Your Storage Engine By Real-world Use Cases

Learn how to choose databases for write-heavy systems using data shape, consistency needs, and read access patterns across Tinder, Uber, e-commerce, and content

16 min readJun 30, 2026
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Amadeus Senior Software Engineer Interview Questions for 8 Years Experience

Prepare for Amadeus senior software engineer interviews with 10 questions, ideal answers, and hidden evaluation signals for Java, Spring Boot, microservices, tr

15 min readJun 29, 2026
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Ebay Senior Software Engineer Interview Questions for 8 Years Experience

Prepare for eBay senior software engineer interviews with 10 questions, ideal answers, and hidden evaluation signals for backend API design, system design, codi

15 min readJun 29, 2026
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Ssl Termination for Multi-tenant Saas: Where to Decrypt Traffic Safely

Explore best practices for SSL termination in multi-tenant SaaS environments. Learn where to decrypt traffic safely, avoid common pitfalls, and ensure secure, s

18 min readJun 29, 2026
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Multi-tenant Traffic Routing: How to Route Requests By Tenant in Kubernetes

Learn how to route traffic by tenant in a multi-tenant Kubernetes system using domains, paths, headers, Ingress controllers, load balancers, API gateways, and t

18 min readJun 29, 2026
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Rate Limiting Explained: API Design, Use Cases, and Interview Scenarios

Learn where to use rate limiting in API design, common algorithms, production use cases, tradeoffs, and how to explain rate limiting in system design interviews

18 min readJun 29, 2026
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Building Explainable Ai Systems for Hr

Learn how to design, implement, and operate explainable AI systems tailored for HR applications. Understand frameworks, architecture, governance, and security b

15 min readJun 19, 2026
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Implementing Machine Learning in Talent Acquisition: A Practical Guide

Learn how to implement machine learning in talent acquisition with a detailed framework covering architecture, governance, security, operations, and measurement

18 min readJun 18, 2026
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Ai & Hr Technology: Transforming Human Resource Management with Artificial Intelligence

Explore how AI is revolutionizing HR technology by improving recruitment, employee engagement, performance management, and operational efficiency.

12 min readJun 18, 2026
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