Software Engineer Interview Prep Podcast

Prabuddha Ganegoda
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Ace your Software Engineer interviews with confidence. This podcast helps you organize your thinking, strengthen problem-solving skills, and prepare effectively for real technical interviews. Topics covered include: Programming (Java & Python) Data Structures & Algorithms System Design AI for Software Engineers Interview strategies & mindset Whether you're targeting Big Tech, startups, or senior engineering roles, each episode helps you think clearly, solve better, and perform at your best.

  1. 27 مارچ

    Mastering OAuth 2.0 & Microservice Security for Senior Interviews

    Are you preparing for a senior security or backend engineering interview and struggling to articulate how to secure microservices in a zero-trust environment? In this deep dive, we break down the definitive guide to OAuth 2.0, OpenID Connect, and advanced token security to help you move beyond textbook definitions and start designing banking-grade architectures.Whether you are designing a Backend-For-Frontend (BFF) or securing a massive microservice mesh, this episode is your ultimate cheat sheet!What We Cover in This Episode:The "Hotel Keycard" Analogy (AuthN vs. AuthZ): We clarify the critical difference between OpenID Connect (verifying your identity at the front desk) and OAuth 2.0 (the keycard that tells the lock what you can access).The "Secret Handshake" (PKCE): Discover why the Proof Key for Code Exchange (PKCE) is now mandatory for public clients to prevent authorisation code interception attacks.The "Clear Backpack" Trap: We reveal why storing tokens in browser localStorage is a major interview red flag, and how the Backend-For-Frontend (BFF) pattern keeps tokens securely on the server.Defeating the "Forged Badge" (JWT Vulnerabilities): We unpack the notorious alg:none vulnerability and exactly what steps a Resource Server must take to validate a JWT signature safely.Zero-Trust Microservices & Token Exchange: Learn how to move past weak shared secrets. We explain how to use private_key_jwt (RFC 7523) for strong service identity, and why you should use Token Exchange (RFC 8693) to maintain a secure chain of custody across microservices.Banking-Grade Security (DPoP & Token Rotation): We dive into the ultimate defenses against token theft: Refresh Token Rotation, which acts as a tripwire to invalidate compromised token families, and DPoP (Sender-Constrained Tokens, RFC 9449), which mathematically binds a token to the client's private key.

    59 منٹ

  2. 25 مارچ

    JVM Internals Deep Dive 8-25 LTS

    JVM Architecture Overview — runtime data areas, memory model, flag reference tableClass Loading Subsystem — delegation model, loading phases, JPMS/Jigsaw module systemExecution Engine & JIT — tiered compilation levels (0→4), inlining, escape analysis, loop vectorisation, SIMD intrinsics, speculative optimisation and deoptimisationGarbage Collection Algorithms — deep dives on G1, ZGC (coloured pointers, load barriers, concurrent relocation), and Shenandoah; full comparison table across all collectorsLTS-by-LTS Optimisation History:GC Configuration & Tuning — selection guide, essential flags, unified GC loggingMonitoring & Profiling — JFR, jcmd/jstack/async-profiler, key production metricsVirtual Threads & Modern Concurrency — VT vs platform threads, migration checklist, StructuredTaskScope patternPerformance Tuning Playbook — symptom→root cause table, AppCDS, CRaC, GraalVM NativeEvolution Timeline — Java 8→25 at a glance

    1گھنٹے 6منٹ

  3. 25 مارچ

    Overview of Mastering REST API Design & Best Practices

    Checkout the deep dive podcast here

    8 منٹ

  4. 23 مارچ

    Mastering REST API Design & Best Practices

    Mastering REST API Design & Best Practices Are you struggling to articulate the exact difference between a basic API and a production-grade, evolvable API during system design interviews? In this deep dive, we break down the 10 pillars of REST API design to help you move beyond simple CRUD operations and start building like a Senior Engineer. What We Cover in This Episode: The Richardson Maturity Model: We explain the progression of RESTful APIs and why reaching Level 3 using Hypermedia (HATEOAS) is the gold standard, allowing clients to discover capabilities dynamically instead of relying on hard-coded URLs.URI Rules & HTTP Methods: Learn the strict naming conventions of API design—such as using plural nouns, kebab-case, and completely avoiding verbs in your URLs. We also break down the critical difference between PUT (idempotent full replacement) and PATCH (partial updates).Designing for Zero-Downtime: We reveal the definitive rules of backward compatibility and how to safely evolve your API using the Expand-Contract Pattern to migrate fields without ever breaking existing client integrations.Standardized Error Contracts: Discover why returning generic error pages is an interview red flag, and how adopting the RFC 7807 Problem Details format provides actionable, machine-readable responses with built-in trace context.Performance & Security: We decode advanced caching strategies using ETag and If-None-Match headers to save massive amounts of bandwidth on conditional GET requests. Plus, we contrast rate-limiting algorithms, explaining exactly when to use a Token Bucket for controlled bursting versus a Leaky Bucket for strict throughput guarantees.Tune in to arm yourself with the precise technical vocabulary, HTTP status codes, and architectural patterns needed to confidently design scalable APIs in your next system design interview!

    1گھنٹے 11منٹ

  5. 20 مارچ

    Mastering Heaps & Priority Queues

    Episode Description: Mastering Heaps & Priority Queues Are you struggling to recognize exactly when to use a Priority Queue in your coding interviews? In this deep dive, we break down the Heap data structure from the ground up to help you stop memorizing solutions and start recognizing the core algorithmic patterns. What We Cover in This Episode: The "Flat Tree" Secret: Discover how heaps cleverly flatten complete binary trees into simple arrays using basic math ((i - 1) / 2) to avoid using pointers.The O(n) Heapify Magic: We explain the math behind why building a heap from an existing array runs in lightning-fast O(n) time, rather than the expected O(n log n).Dangerous Java API Gotchas: We expose the most common traps candidates fall into, such as the deadly integer overflow bug when using (a - b) in custom comparators, and why using a for-each loop on a PriorityQueue will not give you sorted output.The 5 Golden Interview Patterns: We decode the 5 recognizable patterns that make up 80% of heap interview questions:Tune in to master the mental models behind 15 classic algorithm questions and learn to write flawless, bug-free Priority Queue code!

    54 منٹ

  6. 13 مارچ

    [DSA] Sliding Window Algorithm

    The Sliding Window Algorithm is a powerful technique used to reduce the time complexity of problems involving arrays or strings—specifically those that require finding a sub-segment that meets certain criteria.Instead of using nested loops O(n^2), the sliding window maintains a dynamic range that "slides" across the data, usually bringing the complexity down to O(n). Problem:Find the maximum sum of a contiguous subarray of size `k`. public class SlidingWindow { public static int findMaxSum(int[] arr, int k) { int n = arr.length; if (n k) return -1; int windowSum = 0; // 1. Compute sum of the first window for (int i = 0; i k; i++) { windowSum += arr[i]; }int maxSum = windowSum; // 2. Slide the window from index k to n-1 for (int i = k; i n; i++) { // Add the next element, remove the first element of the previous window windowSum += arr[i] - arr[i - k]; maxSum = Math.max(maxSum, windowSum); } return maxSum; } }

    6 منٹ

  7. 13 مارچ

    [System Design] Database Connection Pooling

    Video Summary of our audio podcast of [JAVA] Under the hood: Database Connection Pooling in Spring Boot

    8 منٹ

  8. 7 مارچ

    [System Design] ⁠ The Rate Limiter Playbook

    Video overview of Distributed Rate Limiter

    10 منٹ
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کے بارے میں

Ace your Software Engineer interviews with confidence. This podcast helps you organize your thinking, strengthen problem-solving skills, and prepare effectively for real technical interviews. Topics covered include: Programming (Java & Python) Data Structures & Algorithms System Design AI for Software Engineers Interview strategies & mindset Whether you're targeting Big Tech, startups, or senior engineering roles, each episode helps you think clearly, solve better, and perform at your best.

معلومات

  • تخلیق کار
    Prabuddha Ganegoda
  • فعال سال
    2 ہزار
  • ایپی سوڈ
    24
  • درجہ بندی
    صاف کریں
  • کاپی رائٹ
    © Prabuddha Ganegoda
  • ویب سائٹ دکھائیں
    Software Engineer Interview Prep Podcast