Chicago Trading Company interview questions

Showing 1–8 of 8 results

• Build an Ordered Latest-Quote ContainerMedium

  Build an insertion-ordered container that stores only the latest quote for each stock symbol. Support expected O(1) push, pop, and size operations while updating bid and ask values without changing a symbol's original position and safely rejecting malformed commands.

  Chicago Trading CompanySoftware EngineerCoding & AlgorithmsTechnical Screen
• Describe Growth, Mistakes, and ObstaclesMedium

  This question assesses the candidate's ability to reflect on professional setbacks, demonstrate accountability, and translate constructive criticism into measurable skill growth.

  Chicago Trading CompanySoftware EngineerBehavioral & LeadershipTechnical Screen
• Design a Pre-Trade Risk Check for an Electronic Order PathMedium

  This question tests the ability to design a high-throughput, low-latency risk engine capable of atomic exposure validation before orders reach an exchange, while balancing concurrency and strict fault tolerance.

  Chicago Trading CompanySoftware EngineerSystem DesignOnsite
• Implement a Constant-Time Simple Moving AverageMedium

  Implement a fixed-window simple moving average with O(1) processing for every valid add and query. Maintain a rolling sum and bounded queue, average the samples available before the window fills, and return deterministic results for empty, malformed, or unknown operations.

  Chicago Trading CompanySoftware EngineerCoding & AlgorithmsTechnical Screen
• Implement a Unique Pointer and VectorMedium

  This problem tests your understanding of C++ RAII, move semantics, template metaprogramming, and manual memory management by requiring the implementation of a scoped unique-ownership pointer and a custom dynamic array container.

  Chicago Trading CompanySoftware EngineerSoftware Engineering FundamentalsTechnical Screen
• Merge Nested Dictionaries IterativelyEasy

  This question evaluates a candidate's skill in iterative data structure manipulation and handling of nested dictionary merging semantics, including conflict resolution and value overriding.

  Chicago Trading CompanySoftware EngineerCoding & AlgorithmsOnline Assessment
• Show Teamwork and Drive Through Difficult Engineering SituationsMedium

  This question assesses a candidate's ability to balance collaborative support with personal accountability, and their resilience in overcoming high-stakes technical or organizational blockers.

  Chicago Trading CompanySoftware EngineerBehavioral & LeadershipOnsite
• Trace Virtual Address Translation Through TLBs, Page Tables, and CachesMedium

  This question tests the understanding of memory hierarchy and virtual memory translation, specifically the interactions between TLBs, page tables, and hardware caches.

  Chicago Trading CompanySoftware EngineerSoftware Engineering FundamentalsOnsite