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Prep/Companies/Morgan Stanley

Trading · New York (technology centres in Mumbai and Bengaluru)

MS

Morgan Stanley.

An investment bank and wealth manager whose in-house technology runs trading platforms, market data, risk and wealth-management systems.

its questions lean on

Java and concurrency
processing data bigger than memory
databases and concurrency control
classic LLD
production performance

The rounds, as candidates describe them

Online assessmentHackerRank test with MCQs on Java, OOP, concurrency, Spring and SQL, plus coding problems.source ↗
Technical (two rounds)Core Java, multithreading and Spring with DSA problems; design patterns may come up.source ↗
Technical and managerialDesign-style problems (a 10 GB file in 2 GB of memory, finding production performance issues) and project discussion.source ↗
HRSalary discussion after the technical rounds.source ↗

Reported by candidates

From public interview write-ups; each links its source.

Design a Ticket Booking SystemSystem design
SQ-16 · BookMyShow Seat Booking →LLD-05 · Design a Movie Ticket Booking System →reported in:LeetCode Discuss · Morgan Stanley Java Developer (3-10 YOE), Bangalore (2022) ↗
Design a URL ShortenerSystem design
IP-01 · Design a URL Shortener →W01 · BOSS · Design a URL Shortener at Scale →reported in:LeetCode Discuss · Morgan Stanley Java Developer (3-10 YOE), Bangalore (2022) ↗
Design a Food Delivery App (LLD)Low-level design
SQ-17 · Swiggy Food Delivery →W03 · BOSS · Event-Driven Food Delivery Order System →reported in:LeetCode Discuss · Morgan Stanley SDE2, India (2024) ↗
Design a Parking LotLow-level design
LLD-01 · Design a Parking Lot →reported in:LeetCode Discuss · Morgan Stanley Technology Analyst 2022, On Campus Virtual (2021) ↗
Design Microservices for an E-commerce SystemSystem design
W03 · BOSS · Event-Driven Food Delivery Order System →W05 · DAY 02 · Distributed Transactions — The Saga Pattern →W04 · BOSS · Design a Global E-Commerce Product Catalog System →reported in:LeetCode Discuss · Morgan Stanley Senior Manager, Bangalore, Jan 2022 ↗
Design a Logging FrameworkLow-level design
LLD-08 · Design a Logging Framework (Pub-Sub) →reported in:GeeksforGeeks · Morgan Stanley Interview Experience, On-Campus (2023) ↗
Implement a Producer-Consumer QueueLow-level design
W03 · DAY 03 · Backpressure and Flow Control →W00 · PART 5 · Operating System Concepts for System Design →reported in:LeetCode Discuss · Morgan Stanley SDE2, Mumbai (2022) ↗
How do you remove duplicate lines from a 10 GB file with 2 GB of memory?Concept
W08 · DAY 02 · Streaming vs Batch Processing →W01 · DAY 01 · Partitioning Deep-Dive →reported in:LeetCode Discuss · Morgan Stanley SDE-II, India, July 2021 ↗
How do you find a performance issue in production?Concept
W10 · DAY 02 · Observability →W10 · DAY 05 · Incident Management →reported in:LeetCode Discuss · Morgan Stanley SDE-II, India, July 2021 ↗
How would you send a large sorted stream of numbers efficiently from an API?Concept
W00 · PART 4 · Networking Fundamentals for System Design →W03 · DAY 03 · Backpressure and Flow Control →reported in:LeetCode Discuss · Morgan Stanley Mumbai, Macro Strata Team (2021) ↗
MongoDB or Postgres, and what is the finest grain of concurrency control in a database?Concept
W05 · DAY 01 · Consistency Models →W00 · PART 2 · Infrastructure Building Blocks →reported in:LeetCode Discuss · Morgan Stanley Mumbai, Macro Strata Team (2021) ↗

Likely, from what they build

Our pick, not a report: questions that fit Morgan Stanley's products.

Design a Stock Exchange / Trading PlatformSystem design
SQ-13 · Zerodha Kite Trading Platform →W05 · DAY 05 · Leader Election and Coordination →
Design a Real-Time Market Data Distribution SystemSystem design
W03 · DAY 01 · Queue vs Stream →W03 · DAY 03 · Backpressure and Flow Control →SQ-13 · Zerodha Kite Trading Platform →

Study path

Every lesson the questions above point to, once, in order.

01SQ-16BookMyShow Seat Booking
02LLD-05Design a Movie Ticket Booking System
03IP-01Design a URL Shortener
04W01 · BOSSDesign a URL Shortener at Scale
05SQ-17Swiggy Food Delivery
06W03 · BOSSEvent-Driven Food Delivery Order System
07LLD-01Design a Parking Lot
08W05 · DAY 02Distributed Transactions — The Saga Pattern
09W04 · BOSSDesign a Global E-Commerce Product Catalog System
10LLD-08Design a Logging Framework (Pub-Sub)
11W03 · DAY 03Backpressure and Flow Control
12W00 · PART 5Operating System Concepts for System Design
13W08 · DAY 02Streaming vs Batch Processing
14W01 · DAY 01Partitioning Deep-Dive
15W10 · DAY 02Observability
16W10 · DAY 05Incident Management
17W00 · PART 4Networking Fundamentals for System Design
18W05 · DAY 01Consistency Models
19W00 · PART 2Infrastructure Building Blocks
20SQ-13Zerodha Kite Trading Platform
21W05 · DAY 05Leader Election and Coordination
22W03 · DAY 01Queue vs Stream

Company names and logos are trademarks of their owners, shown only to identify each company. This course isn't affiliated with or endorsed by any of them.

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