Give an example of when you had to make a difficult trade-off decision

Situation: While building a course registration app, we had one week left and two major features incomplete. Task: Decide which feature to prioritize — advanced search or email notifications. Action: I analyzed user feedback: 80% wanted notifications, 30% wanted search. I proposed basic search + full notifications. Result: User satisfaction scores were 4.5/5. I learned to make data-driven decisions focused on user needs.

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Junior ↳ Junior Engineer – Co-op/Internship - Electronic Trading Infrastructure - Summer 2026

Q: Merge Two Sorted Lists - Merge two sorted linked lists into one sorted list

Practice question for Junior ↳ Junior Engineer – Co-op/Internship - Electronic Trading Infrastructure - Summer 2026 interview focusing on Linked Lists.

Q: Binary Tree Vertical Order Traversal - Return vertical order traversal of nodes

Practice question for Junior ↳ Junior Engineer – Co-op/Internship - Electronic Trading Infrastructure - Summer 2026 interview focusing on Trees.

Q: Design TinyURL - Design a URL shortening service like bit.ly

Practice question for Junior ↳ Junior Engineer – Co-op/Internship - Electronic Trading Infrastructure - Summer 2026 interview focusing on System Design.

Q: Describe a challenging project you worked on and how you overcame obstacles

Situation: For my internship portfolio, I decided to build a real-time chat application using technologies I'd never used before — Node.js, Socket.io, and MongoDB. Task: I had 3 weeks to complete it while managing coursework. Action: I broke the project into milestones, researched documentation, and reached out to a senior student for guidance. Result: I completed the application successfully, which helped me land my internship.

Canada·86 interview reviews·Hard difficulty

76% positive61% applied onlinePosted 12d [Apply here](https://bmo.wd3.myworkdayjobs.com/Campus/job/REMOTETELETRAVAIL-ON-CAN/Junior-Engineer--Electronic-Trading-Infrastructure--Summer-2026--Co-op-Internship----4-months_R260005626-2?utm_source=Simplify&ref=Simplify)

Difficulty

3.8/ 5

Experience

Positive76%

Neutral6%

Negative18%

Interview Source

Applied online61%

Recruiter17%

Referral8%

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↳ Junior Engineer – Co-op/Internship - Electronic Trading Infrastructure - Summer 2026 Interview Reviews

↳ Junior Engineer – Co-op/Internship - Electronic Trading Infrastructure - Summer 2026 Candidate

Sep 7, 2026 · Seattle, WA

✗ No offerNeutralEasy

Had a recruiter screen first, then a technical round focused on system design and coding. The interviewer was very professional and walked through the problem step by step. Good overall experience.

Interview QuestionEasy

“Merge Two Sorted Lists - Merge two sorted linked lists into one sorted list”

Linked ListsPractice this →

↳ Junior Engineer – Co-op/Internship - Electronic Trading Infrastructure - Summer 2026 Candidate

Jan 25, 2026 · Seattle, WA

✗ No offerPositiveDifficult

Straightforward — just 2 medium leetcode-tagged problems in 45 minutes. Very fast paced though so be aware of time. A few follow-up questions for the interviewer at the end. No behavioral questions.

Interview QuestionMedium

“Binary Tree Vertical Order Traversal - Return vertical order traversal of nodes”

TreesPractice this →

↳ Junior Engineer – Co-op/Internship - Electronic Trading Infrastructure - Summer 2026 Candidate

Sep 4, 2026 · Austin, TX

✓ OfferNeutralDifficult

Online assessment was difficult, but the final round technical was just 2 leetcode questions. Studying tagged questions and general leetcode helps a lot. Interviewer was friendly and wanted me to succeed.

Interview QuestionMedium

“Describe a challenging project you worked on and how you overcame obstacles”

Problem SolvingBehavioralPractice this →

↳ Junior Engineer – Co-op/Internship - Electronic Trading Infrastructure - Summer 2026 Candidate

Nov 25, 2026 · Menlo Park, CA

✗ No offerNeutralEasy

Applied online and heard back in about a week. The technical interview was 45 minutes with two coding problems. Focus on time complexity and edge cases. The behavioral portion was brief but important.

Interview QuestionMedium

“Design TinyURL - Design a URL shortening service like bit.ly”

System DesignPractice this →

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About This Role

Focus Areas

Software DevelopmentSystem DesignBehavioral

Key Skills

Software EngineeringProblem SolvingTeamworkCommunication

Details

CompanyJunior

LocationCanada

Posted12d [Apply here](https://bmo.wd3.myworkdayjobs.com/Campus/job/REMOTETELETRAVAIL-ON-CAN/Junior-Engineer--Electronic-Trading-Infrastructure--Summer-2026--Co-op-Internship----4-months_R260005626-2?utm_source=Simplify&ref=Simplify)

TierEnterprise

Frequently Asked Questions

How hard is it to get hired as a ↳ Junior Engineer – Co-op/Internship - Electronic Trading Infrastructure - Summer 2026 at Junior?

The interview difficulty is rated 3.8/5 by candidates. 76% report a positive experience. Focus on Software Development, System Design, Behavioral to improve your chances.

How long does the Junior ↳ Junior Engineer – Co-op/Internship - Electronic Trading Infrastructure - Summer 2026 hiring process take?

The process typically takes 2–6 weeks from application to final decision, depending on the hiring cycle and team availability.

What is the interview process like?

Most candidates go through a recruiter screen, followed by technical coding rounds, and a final interview loop. 61% of candidates applied online.

What questions are asked in a Junior ↳ Junior Engineer – Co-op/Internship - Electronic Trading Infrastructure - Summer 2026 interview?

Common topics include data structures & algorithms (arrays, trees, graphs), system design, and behavioral questions using the STAR method. Practice with our AI mock interviewer to prepare.

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