Tech(x) Software Engineer Interview Questions
The questions to prepare for a Tech(x) Software Engineer interview. Questions from real interview reports rank first. Updated daily.
Count case-insensitive repeated words in a tweet using tokenization and a frequency map.
Tech(x)Count distinct palindromic substrings using an eertree in linear time.
Tech(x)Design a messaging platform with service integration, WebSockets, durable data, scaling, and an optional ML moderation path.
Tech(x)Design a scalable real-time data processing architecture with low latency, high throughput, and fault tolerance.
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Evaluates your ability to write SQL for time-based aggregations and window logic.
Tech(x)Identify Tech(x)'s five most active users with a date-filtered LEFT JOIN and grouped activity counts.
Tech(x)Return the first row for each unique value, then rank the k most frequent values.
EverlawReturn the seventh closest palindrome for each valid input number, using recursive query logic and ordered ranking.
DeloitteEvaluates memory management and state persistence in backend design.
Tech(x)Assess secure development practices and compliance.
Tech(x)Assesses your ability to reason about competing constraints and make engineering decisions.
Tech(x)