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6 votes
1 answer
987 views

Calculate implied volatility for options on stocks and futures with two models

I wrote a code for a quant finance job and they told me that, besides it worked, it was poorly written. I asked for a more detailed feedback but they did not send it to me. I paste it here with ...
spec3's user avatar
  • 165
5 votes
1 answer
444 views

Buy-sell order board, as a TDD interview

I recently did a technical test for a well known Bank in 'The City' and as a result got no further. They were also kind enough not to give me any feedback. The test entailed a TDD approach to a simple ...
Chris Danson's user avatar
4 votes
3 answers
769 views

Bitcoin trading system

Recently I did an exercise for a interview pre-screening, but was not selected. They did not give much detailed feedback apart from "the code was not up to what they wanted". It would be really ...
Harshal's user avatar
  • 41
5 votes
2 answers
3k views

Bank account data structure

I need to model simple account data structure. The user should be able: to add a transaction get information about transaction take all transaction of some type sum a transaction and all its ...
kharandziuk's user avatar
25 votes
7 answers
5k views

Sales Tax Problem, rejected for not being up to their standards

I applied for a Junior .NET Developer Position recently, and I was asked to solve a problem (Sales Tax Program) and I was rejected for some reason. The question goes like this: Basic sales tax is ...
Juggernaut's user avatar
60 votes
11 answers
14k views

Sales tax calculator, rejected for being not OOP

I applied for an Application Developer position. They require all their applicants to complete 1 of 3 programming assignments. I picked one for sales tax calculation. It was quite simple. Write ...
John's user avatar
  • 617
4 votes
1 answer
402 views

Swedish Tax Calculator

I'm submitting this code in a couple of days as part of an an interview process. The company knows that I don't have any formal experience with Java. I'm hoping they are testing my ability to learn ...
pure_code's user avatar
  • 231