Senior SWE (L5) Preparation OS prep.bogdanjsx.com

Google • Uber • Booking.com • Databricks • Stripe • Grab (Python 3 Core)
SYSTEM DESIGN MOCK
Phase 1: Requirements & Math (Min 00–05)
45:00
P1 (0-5m): Requirements & Math
P2 (5-12m): APIs & Schema
P3 (12-20m): Gear 1 (5k RPS)
P4 (20-33m): Gear 2 (100k+ RPS)
P5 (33-38m): Failures & Observability
P6 (38-45m): Trade-offs Defense
TODAY'S MISSION Loading...
Loading today's target...
Loading action plan...
🔁 Spaced Repetition Queue: Loading reviews...
Track A: DSA Refreshers
0 / 22 0%
Track B: Cold Drills Logged
0 Queue Ready
Track C: LLD Concurrency
0 / 8 0%
Track D: System Design
0 / 12 0%
Track A: Surgical NeetCode Advanced Pattern Refreshers Surgical invariant proofs
Done Pattern Bucket Problem Name Core Concept & Invariant Local File
Track B: Cold Recognition Log (Grind 150 Blind Queue)
ID Date Problem Diagnosed Pattern Actual Pattern Time Hint Tier L5 Follow-Up Next Review
Track C: Practical Machine Coding & Concurrency (8 Core Modules) Bi-weekly Friday sprints
Done # Module Name Key Concurrency / Architectural Primitives Directory
Track D: The 12 Core System Design Blueprints (Two-Gear Framework)
# Blueprint Title Gear 1 (5k RPS) Gear 2 (100k+ RPS) File
Senior SWE (L5) Behavioral STAR Story Matrix

Top-tier L5 behavioral rounds evaluate 5 universal vectors: Technical Ambiguity, Cross-Team Alignment, High-Severity Incidents, Commercial Pragmatism, and Mentorship.

Slot Focus Vector Story Concept / Title Key Companies
01Technical Ambiguity & Scope DefinitionFlagship Distributed MigrationGoogle, Stripe
02Cross-Team Alignment & Conflict ResolutionCross-Org Platform StandardGoogle, Booking
03High-Severity Incident & Operational RigorSev-0 Production Blackout & InvariantsUber, Stripe, Grab
04Commercial Trade-off & PragmatismHigh-Stakes MVP Launch under DeadlineBooking, Stripe
05Data Corruption / Silent Bug InvestigationReconciliation Script & Invariant MonitorsDatabricks, Stripe
06Architecture Bottleneck / Scale Re-DesignZero-Downtime Sharded CutoverUber, Databricks
07Difficult Disagreement & Changing MindsData-Driven POC vs Executive ProposalGoogle, Booking
08Mentorship & Raising Engineering BarCoaching Mid-Level to Senior / StandardsAll
In-Browser Guides & Playbooks

Click any card to read the complete markdown document directly in this window.

📅 Day-by-Day 12-Week Guide

Daily 75-min schedule and week-by-week calendar with zero decision fatigue.

day_by_day_guide.md

📋 Communication Rubric

The 4-stage coding interview communication framework, edge-case probing, and trace table.

behavioral/communication_rubric.md

❓ Reverse Interviewing

High-signal questions tailored for Hiring Managers, Peer Seniors, and Staff/Principals.

behavioral/reverse_questions.md

💰 Negotiation Playbook

Senior L5 compensation architecture, equity vesting rules, and counter-offer scripts.

behavioral/negotiation_playbook.md

⚖️ Antigravity Rules

Zero-Spoiler Law, 3-Tier Socratic hints, L5 scale mutations, and Two-Gear enforcement.

.antigravity/rules.md

🏛️ System Design Template

Time-boxed 45-min template covering Gear 1 (5k RPS) and Gear 2 (100k+ RPS).

system_design/mocks/TEMPLATE.md

Document Reader

Loading document...