Glassdoor users rated their interview experience at Northern Trust as 100% positive with a difficulty rating score of 3 out of 5 (where 5 is the highest level of difficulty). Candidates interviewing for Technology Summer Analyst and rated their interviews as the hardest, whereas interviews for Technology Summer Analyst and roles were rated as the easiest.
The hiring process at Northern Trust takes an average of 30 days when considering 1 user submitted interviews across all job titles. Candidates applying for Technology Summer Analyst had the quickest hiring process (on average 30 days), whereas Technology Summer Analyst roles had the slowest hiring process (on average 30 days).
Applied through referral. After that there was an initial aptitude test consisted of general maths Calculations, English and reasoning, telephonic confirmation,personal interview with hiring magers. The Overall recruitment process took almost 4 to 6 weeks.
Interview questions [1]
Question 1
Overall qns from resume and previous internship experience with some qns from capital markets.
I applied online. I interviewed at Northern Trust in Jun 2026
Interview
SWE Internship London
My interview process only consisted of a hr phone call and then a 1hr panel technical interview speaking about my projects.
Big emphasis on prior collaborative and client work. Be ready to speak about how you worked with clients / team in the past.
Interview questions [2]
Question 1
Tell me about a time where you worked with clients. What is the biggest lesson you learned from what went wrong on this project?
Tell me about how you store cellular data using numpy?
Numpy uses c-backed arrays. What is the other option the developer can choose when using arrays and why does this c usage improve performance?
Technically very difficult to crack, Also the panel was very hard to deal with. I am feeling its like MAANG. The panel was furious all practical questions, no theory. there were some guys as well who were very egoistic very egoistic very I am right they were wrong they says they right & I am wrong