Sigmoid Software Developer Interview Questions and Answers

Q1. Valid parentheses
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Q2. Currying with arrow function
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Currying is a technique in functional programming where a function with multiple arguments is transformed into a sequence of nested functions, each taking a single argument.
• Currying can be achieved using arrow functions in JavaScript.

• Arrow functions automatically bind 'this' and do not have their own 'this' value.

• Example: const add = a => b => a + b;

• Example: const addFive = add(5); const result = addFive(3); // result
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Q1. DFS related problem
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Q2. Machine coding round
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3 questions 3 sum linked list missing sum

Q1. System Design and hr principles
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System design involves creating a high-level architecture of a software system, while HR principles focus on managing people effectively.
• System design involves identifying components, defining their interactions, and ensuring scalability and reliability.

• HR principles include hiring the right talent, providing training and development opportunities, and fostering a positive work culture.

• Both system design and HR princip...read more
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Q2. Projects discussion
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First round was aptitude with coding round it was easy

Q1. To check communication
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Q1. Ask question based on datastructures
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1st round was DSA round. Pretty easy