Soliton Technologies Project Engineer Interview Questions and Answers

The first round was the Hiring Challenge from HackerEarth.

I do not remember the questions from the coding round.

The second round was a technical interview, three questions were asked based on DSA.

The difficulty level was medium for all three questions.

The interviewer was experienced and calm.

The Final round was Leadership/HR round.

Q1. Swimming Pool/Trapping Rain Water.
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Q2. Lexicographical string sorting.
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Q3. How will you create Undo/Redo feature(Just the concept no code needed)?
Ans. 
Undo/Redo feature can be created by maintaining a stack of previous actions and their reverse actions.
• Maintain a stack of previous actions and their reverse actions

• Push the action onto the stack when it is performed

• When undo is requested, pop the last action from the stack and perform its reverse action

• When redo is requested, pop the last reverse action from the stack and perform the original action

• Ensure that the stac...read more
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Q1. It was a thorough inspection of your leadership and team skills. After that, the question was mostly based on the scenarios to see if you're fit for the company and adhere to companies principal. Then th...read more
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Online mode of MCQ in college

Similar to round 1 but offline

Arrays, string, conditional clause

Q1. Purely based on resume and interests
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Q1. Very general questions about family and life
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Advanced programming questions from DSA, get help from FAQs and Imp leetcode. Concept explanation is must, partial code is enough

Named as design round, more like framing solution for a problem, will be easy.

Q1. Essay round, answer for questions like why soliton, your position after 5 years, professional and personal goals.
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Basic Physics,C programming,Basic Maths,Basic Circuits

Q1. Questions mostly related to 11th physics
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Duration: 1 hour
Number of Questions: 3
Programming Language: Only C
Difficulty: Medium
Scoring Criteria: Logical Thinking, Implementation (Manual Evaluation), Auto Score (Test Cases in IDE)

This round serves as an initial assessment of candidates' technical abilities and coding aptitude.

Duration: 2 hours
Number of Questions: 2
Programming Language: Only C
Difficulty: Medium - Hard
Scoring Criteria: Logical Thinking, Implementation (Manual Evaluation), Auto Score (Test Cases in IDE)

This round is designed to further assess candidates' technical skills and problem-solving abilities

Q1. General questions related to our skills and area of expertise
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Q1. This round typically focuses on assessing the candidate's interpersonal skills, cultural fit, and alignment with the company's values and goals.
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This round is designed to assess candidates' ability to collaborate, communicate effectively, and think critically as part of a team.

Aptitude and basic physics was tested

Basic programming round has the questions which can be solved within 10 minutes

Q1. How to design batteries
Ans. 
Designing batteries involves determining the required capacity, voltage, and chemistry, selecting appropriate materials, and optimizing the design for performance and safety.
• Determine required capacity, voltage, and chemistry based on application

• Select appropriate materials for electrodes, electrolyte, and casing

• Optimize design for performance and safety, considering factors such as temperature, discharge rate, and cyc...read more
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Q2. Explain the design by discussing with group
Ans. 
Design discussion with group involves sharing ideas and collaborating to create a functional and efficient solution.
• Discuss project goals and requirements

• Brainstorm ideas and potential solutions

• Evaluate feasibility and potential challenges

• Collaborate to create a design that meets project goals

• Refine and iterate design as necessary
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