James Peralta

James Peralta

Welcome! I’m a Software Engineer based in Silicon Valley and on this channel I share my journey in the world of software engineering to help you level up your skills and career. 📩 For business inquiries: castleridge.labs@gmail.com

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Codeforces Study Stream #4
Codeforces Study Stream #4

00:00:00 Intro: YouTube Streaming Issues 00:05:02 Edge Cases and K Equals 4 Logic 00:17:14 Breaks 00:35:06 Tackling More Codeforces 00:47:44 Partitioning Arrays by Parity #CompetitiveProgramming #Codeforces #LeetCode

January 12, 2026
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Codeforces Study Stream #3
Codeforces Study Stream #3

00:00:00 Intro to Competitive Programming Goals 00:05:00 Google Interview Experience 00:08:45 Halumies Sorting Problem Overview 00:13:00 Problem-Solving Intuition: Bubble Sort Approach 00:14:09 Codeforces vs. LeetCode Comparison 00:17:46 DSA Interview Advice for Modern Roles 00:21:21 Solving Halumies Sorting: Submission and Reflection 00:27:26 Swap and Delete Problem Introduction 00:46:00 Swap and Delete Problem Solution Walkthrough 01:03:07 Product Divisible by K Problem Overview 01:10:00 Product Divisible by K: Approach and Implementation 01:17:00 Final Problem Review and Takeaways #competitiveprogramming #interviewprep #codeforces

January 12, 2026
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Codeforces Study Stream #4
Codeforces Study Stream #4

#codeforces #competitiveprogramming

January 12, 2026
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I Just Solved My 700th LeetCode Problem…
I Just Solved My 700th LeetCode Problem…

00:00:00 My LeetCode Journey 00:04:25 1834. Single-Threaded CPU (https://leetcode.com/problems/single-threaded-cpu/description/) 00:30:52 Solution Accepted and Final Thoughts #LeetCode #ProgrammingJourney #CodingInterview

January 8, 2026
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700 LeetCode Solved
700 LeetCode Solved

#leetcode #competitiveprogramming #softwareengineering 00:00:00 Technical Difficulties & Stream Start 00:03:00 LeetCode Progress & Ranking Discussion 00:06:15 Competitive Programming Tools & Strategy 00:10:24 Audience Q&A: SDET vs SDE Careers 00:12:07 Warm-Up: LeetCode Problem Solving Process 00:24:00 Audience Requests: Simulating Path Crossing 00:33:00 Weekly Contest Lag & Aftermath 00:41:39 Interview Prep: Codeforces vs. LeetCode 00:45:31 Global Tech Market & Career Goals 00:51:10 LeetCode Practice: Binary String Problem 00:59:05 System Design, Career Growth & Promotions 01:04:05 New Grad Advice for Microsoft 01:09:20 Software Engineer Compensation & Saving 01:15:09 Interview Experiences: Hardest Companies & Questions 01:22:39 Audience Q&A: LeetCode for Microsoft Prep 01:23:49 Buses & Trips: Binary Search Implementation 01:32:06 LeetCode Practice & Contest Experience 01:41:54 Resume Help and Interviewer Perspective 01:46:17 LeetCode Practice: Hashmaps & Sorting 02:12:33 The Road to 700 LeetCode Questions 02:17:05 Milestone: Solving the 700th LeetCode Problem 02:44:15 Stream Wrap-Up & Community Thanks

January 4, 2026
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Popular Videos

Senior Software Engineer Takes on a Google Coding Interview!
Senior Software Engineer Takes on a Google Coding Interview!

Shoutout to https://leetcode.com/ for providing the platform! Discord: https://discord.gg/wS2KdpnVp9 Business Inquiries: castleridge.labs@gmail.com 00:00 Leetcode.com Platform Introduction 01:05 Easy Question 09:07 Medium Question 31:00 Results!!

March 8, 2025355,621 views
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Senior Software Engineer Takes on an Apple Coding Interview!
Senior Software Engineer Takes on an Apple Coding Interview!

Shoutout to https://leetcode.com/ for providing the platform! 00:00 Leetcode.com Platform 1:03 231. Power of Two (https://leetcode.com/problems/power-of-two/description/) 10:40 448. Find All Numbers Disappeared in an Array (https://leetcode.com/problems/find-all-numbers-disappeared-in-an-array/description/) 24:02 Results!! 25:03 Power of Two Follow up/Optimization

May 1, 2025208,561 views
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Senior Software Engineer Takes on a Meta Onsite Interview!
Senior Software Engineer Takes on a Meta Onsite Interview!

00:00 Introduction 01:47 Q1 - Easy Difficulty 09:58 Q2 - Medium Difficulty 48:42 Q3 - Hard Difficulty

February 14, 202541,848 views
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Top 6 Patterns For Coding Interviews
Top 6 Patterns For Coding Interviews

Playlist: https://youtube.com/playlist?list=PL1_cEA1Q0Z8_Mdmwv6v5gwKMmIfpWIDvN&feature=shared 00:00 - Top 6 Patterns For Coding Interviews 2:43 - Two Pointers 4:31 - Sliding Window 5:54 - Depth-First Search 8:26 - Breadth-First Search 9:42 - Backtracking 12:04 - Binary Search

April 11, 202537,491 views
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University of Waterloo Student ACES Coding Interview! (Strong Hire)
University of Waterloo Student ACES Coding Interview! (Strong Hire)

00:00 - Introductions 04:00 - Question 1 | 408. Valid Word Abbreviation 22:35 - Question 2 | 827. Making A Large Island 46:22 - Feedback!!

March 11, 202532,001 views
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How I Broke Into Silicon Valley (Kleiner Perkins Fellowship)
How I Broke Into Silicon Valley (Kleiner Perkins Fellowship)

00:00 How I Broke Into Silicon Valley 14:29 Kleiner Perkins Fellowship Program Discord: https://discord.gg/wS2KdpnVp9 Business Inquiries: castleridge.labs@gmail.com

January 6, 202530,833 views
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