Locus

Role: Technical Lead

College: Not Specified

Interview Date: June-July 2021

Interview Type: Full-Time

Result: Selected

Difficulty: Medium

Rounds: 4 rounds

Topics Asked: Data Science, Data Engineering, System Design, Data Structures, Algorithms, Team & Role Discussion

Experience:

This candidate interviewed for a Technical Lead position at Locus, with the application made via LinkedIn. The interview process consisted of 4 rounds, all conducted via video call and lasting 60 minutes each.

Round 1 (June 16, 2021): This round was with the CTO and focused on company discussions and a system design question. The question was "How will you handle data pipeline and have uptime of 100%?". The suggested approach involved implementing a monitoring system and a playback system for failures. The difficulty was medium.

Round 2 (July 1, 2021): This round discussed various data science problems and their solutions using company data. The system design question asked was "How to implement last mile vehicle routing problem with data?". The discussion mainly revolved around the required data store and data pipeline. The difficulty was medium.

Round 3 (July 10, 2021): This round involved discussions on various system design problems. A specific question was "System design for BookMyShow and how to implement it". The approach involved specifying different components like scale, schema, and logging. The difficulty was medium.

Round 4 (July 15, 2021): This final round was an easy-difficulty video call discussing the team and role, and how to solve problems related to data pipelines.

The candidate prepared for 6 months, focusing on Data Science, Data Engineering, System Design, Data Structure, and Algorithms. Tips included focusing on implementation, understanding business impact, and discussing company culture with employees.