This interview process is for a Software Engineer position at OKX, specifically for the P5 level. It aims to assess a candidate's technical proficiency, problem-solving skills, and cultural fit within the company.
Rounds·3
Timeline·~14d
Experience·5 - 8 yrs
Comp band·US$120000 - US$150000
Interview time·150 min
Evaluation
Preparation
Tips
Study plan
Fig · Study plan — 05 phases
01 / 05Phase 01 of 05
Weeks 1-2: DSA fundamentals and practice.
Weeks 1-2: Focus on Data Structures and Algorithms. Cover arrays, linked lists, trees, graphs, hash tables, sorting, searching, dynamic programming. Practice at least 5-10 problems per topic.
Phase 02 of 05
Weeks 3-4: System Design principles and case studies.
Weeks 3-4: Dive into System Design. Study concepts like scalability, availability, consistency, load balancing, caching, databases (SQL/NoSQL), message queues, and microservices. Work through common system design case studies.
Phase 03 of 05
Week 5: Blockchain and Crypto basics, OKX research.
Week 5: Blockchain and Cryptocurrency Fundamentals. Understand blockchain basics, consensus mechanisms, smart contracts, and the cryptocurrency market. Research OKX's specific offerings.
Phase 04 of 05
Week 6: Behavioral questions and STAR method.
Week 6: Behavioral and Behavioral Questions. Prepare examples for common behavioral questions related to teamwork, problem-solving, leadership, and handling conflict. Practice the STAR method.
Phase 05 of 05
Week 7: Mock interviews and final review.
Week 7: Mock Interviews and Review. Conduct mock interviews focusing on both technical and behavioral aspects. Review weak areas identified during practice.
Questions
Locations
Fig · Regions — 02 locations
01 / 02Location
Interview focus
Common questions
Tips
Location
Interview focus
Common questions
Tips
Rounds
Expand a step for evaluation criteria, sample questions, and prep notes.
Technical Screening · 45 min · Software Engineer / Technical Screener
This initial round focuses on assessing fundamental programming skills. You will be asked to solve coding problems that test your knowledge of data structures and algorithms. The interviewer will evaluate your ability to write clean, efficient, and correct code, as well as your approach to problem-solving and your ability to communicate your thought process.
What they look for
Evaluation
Sample questions
Given an array of integers, return indices of the two numbers such that they add up to a specific target.
Reverse a linked list.
Implement a function to check if a binary tree is a Binary Search Tree (BST).
Prep for this round
Common rejection reasons
System Design · 60 min · Senior Software Engineer / Architect
This round evaluates your ability to design complex, scalable, and reliable systems. You will be presented with a high-level problem and asked to design a system to solve it. This includes discussing components, data flow, database choices, APIs, scalability strategies, and potential bottlenecks. For OKX, expect questions related to financial systems, real-time data processing, and blockchain integration.
What they look for
Evaluation
Sample questions
Design a URL shortening service like Bitly.
Design a real-time notification system for a trading platform.
Design a distributed key-value store.
Prep for this round
Common rejection reasons
Behavioral Interview · 45 min · Hiring Manager / Team Lead
This round focuses on your behavioral aspects and how you fit within the team and OKX's culture. You'll be asked questions about your past experiences, how you handle challenges, work with others, and your career goals. Prepare to provide specific examples using the STAR method.
What they look for
Evaluation
Sample questions
Tell me about a time you had to work with a difficult colleague. How did you handle it?
Describe a project where you took initiative or demonstrated leadership.
How do you stay updated with the latest technologies in the blockchain space?
What are your strengths and weaknesses?
Prep for this round
Common rejection reasons
DSA
Frequently reported on OKX loops
Other guides
