The Software Engineer II interview at Dataminr is designed to assess a candidate's technical proficiency, problem-solving abilities, and cultural fit within the company. It involves a series of rounds focusing on data structures, algorithms, system design, and behavioral aspects, ensuring a comprehensive evaluation of the candidate's suitability for the role.
Rounds·3
Timeline·~7d
Experience·2 - 5 yrs
Comp band·US$110000 - US$150000
Interview time·150 min
Evaluation
Preparation
Tips
Study plan
Fig · Study plan — 04 phases
01 / 04Phase 01 of 04
Weeks 1-2: Data Structures & Algorithms Fundamentals. Practice 2-3 problems/day.
Weeks 1-2: Focus on core data structures and algorithms. Practice problems related to arrays, strings, linked lists, trees, and basic sorting/searching algorithms. Aim for 2-3 problems per day.
Phase 02 of 04
Weeks 3-4: Advanced Algorithms & Medium Problems. Focus on DP, Graphs.
Weeks 3-4: Deepen understanding of more complex algorithms like dynamic programming, graph algorithms, and advanced tree structures. Start practicing medium-difficulty problems on platforms like LeetCode.
Phase 03 of 04
Weeks 5-6: System Design Principles. Study scalability, databases, caching.
Weeks 5-6: Concentrate on system design. Study concepts like load balancing, caching, databases (SQL vs. NoSQL), message queues, and distributed systems. Review common system design interview questions and practice designing systems.
Phase 04 of 04
Week 7: Behavioral Prep & Company Research. Use STAR method, prepare questions.
Week 7: Prepare for behavioral and situational questions. Reflect on past projects and experiences using the STAR method. Prepare questions to ask the interviewer. Review company information and role specifics.
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 Interview (Coding) · 45 min · Software Engineer
This round focuses on your fundamental computer science knowledge. You will be asked to solve coding problems that test your understanding of data structures (like arrays, linked lists, trees, hash maps) and algorithms (like sorting, searching, dynamic programming). The interviewer will assess your ability to write clean, efficient, and correct code, as well as your approach to problem-solving.
What they look for
Evaluation
Sample questions
Given an array of integers, find the contiguous subarray with the largest sum.
Implement a function to reverse a linked list.
Find the kth smallest element in an unsorted array.
Prep for this round
Common rejection reasons
System Design Interview · 60 min · Senior Software Engineer / Architect
This round evaluates your ability to design and architect software systems. You'll be presented with a high-level problem (e.g., designing a social media feed, a URL shortener, or a real-time notification system) and expected to propose a scalable, reliable, and maintainable solution. This includes discussing database choices, caching strategies, API design, and handling potential bottlenecks.
What they look for
Evaluation
Sample questions
Design a URL shortening service like bit.ly.
How would you design a system to track real-time user activity on a website?
Design a distributed cache system.
Prep for this round
Common rejection reasons
Behavioral Interview · 45 min · Hiring Manager / Team Lead
This round focuses on your behavioral and situational responses. You'll be asked questions about your past experiences, how you handle challenges, work in teams, and your motivations. The goal is to understand your personality, work style, and how well you would fit into the Dataminr team and culture. Using the STAR method (Situation, Task, Action, Result) is highly recommended for answering these questions.
What they look for
Evaluation
Sample questions
Tell me about a time you disagreed with a teammate and how you resolved it.
Describe a challenging project you worked on and how you overcame obstacles.
Why are you interested in Dataminr?
Prep for this round
Common rejection reasons
DSA
Frequently reported on Dataminr loops
Other guides
