About lighthouse technologies
lighthouse technologies Interview Questions and Answers
Updated 21 Feb 2026DevOps Engineer Interview Experience
Candidate: Emma Rodriguez
Experience Level: Mid-level
Applied Via: Recruiter outreach
Difficulty: Hard
Final Result:
Interview Process
3 rounds
Questions Asked
- Explain CI/CD pipelines and tools you have used.
- How do you handle system outages?
- Describe your experience with cloud infrastructure (AWS/Azure).
Advice
Be prepared for scenario-based questions and demonstrate hands-on experience with cloud and automation tools.
Full Experience
A recruiter contacted me directly. The first round was a technical phone interview focusing on DevOps concepts and tools. The second round was a practical assessment involving scripting and infrastructure setup. The final round was a team interview assessing problem-solving and collaboration skills. The process was challenging but fair.
UX Designer Interview Experience
Candidate: David Kim
Experience Level: Mid-level
Applied Via: LinkedIn
Difficulty:
Final Result: Rejected
Interview Process
3 rounds
Questions Asked
- Walk me through your design portfolio.
- How do you incorporate user feedback into your designs?
- Describe a project where you improved user experience significantly.
Advice
Focus on articulating design decisions and user-centered thinking.
Full Experience
Applied via LinkedIn and had a phone interview discussing my portfolio and design process. The second round was a practical design challenge with a tight deadline. The final round was a cultural fit interview. While the team appreciated my creativity, they wanted more experience with user research methodologies.
Product Manager Interview Experience
Candidate: Catherine Smith
Experience Level: Senior
Applied Via: Company website
Difficulty: Hard
Final Result:
Interview Process
4 rounds
Questions Asked
- How do you prioritize product features?
- Describe a time you managed a difficult stakeholder.
- Create a product roadmap for a new mobile app.
- How do you measure product success?
Advice
Prepare to discuss leadership experiences and product strategy in depth.
Full Experience
The interview process was intense, starting with a phone interview on product management fundamentals. The second round involved a case study presentation. The third was a panel interview with cross-functional team members. The final round was with senior leadership focusing on strategic thinking. The company values clear communication and strategic vision highly.
Data Analyst Interview Experience
Candidate: Brian Lee
Experience Level: Entry-level
Applied Via: Referral
Difficulty: Easy
Final Result: Rejected
Interview Process
2 rounds
Questions Asked
- How do you handle missing data in a dataset?
- Explain the difference between correlation and causation.
- Describe your experience with SQL.
Advice
Gain more hands-on experience with SQL and data visualization tools.
Full Experience
I was referred by a former colleague and had two interview rounds. The first was a phone screening focusing on my resume and basic data analysis concepts. The second was a technical interview with practical questions about data cleaning and SQL queries. The interviewers were friendly but expected solid foundational knowledge. Unfortunately, I was not selected due to limited practical experience.
Software Engineer Interview Experience
Candidate: Alice Johnson
Experience Level: Mid-level
Applied Via: Online job portal
Difficulty:
Final Result:
Interview Process
3 rounds
Questions Asked
- Explain the difference between REST and SOAP APIs.
- Write a function to reverse a linked list.
- Describe a challenging bug you fixed in your previous job.
Advice
Brush up on data structures and algorithms, and be ready to discuss past projects in detail.
Full Experience
The process started with an online application followed by a coding test. The first round was a technical phone interview focusing on algorithms and problem-solving. The second round was an onsite technical interview with coding exercises and system design questions. The final round was an HR interview to assess cultural fit. Overall, a well-structured process that tested both technical skills and communication.
Frequently Asked Questions in lighthouse technologies
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Common Interview Questions in lighthouse technologies
Q: A rich man died. In his will, he has divided his gold coins among his 5 sons, 5 daughters and a manager. According to his will: First give one coin to manager. 1/5th of the remaining to the elder son.Now give one coin to the manager and 1/5th of the remaining to second son and so on..... After giving coins to 5th son, divided the remaining coins among five daughters equally.All should get full coins. Find the minimum number of coins he has?
Q: There are 3 clans in an island - The Arcs who never lie, the Dons who always lie and the Slons who lie alternately with the truth. Once a tourist meets 2 guides who stress that the other is a Slon. They proceed on a tour and see a sports meet. The first guide says that the prizes have been won in the order Don, Arc, Slon. The other says that, the order is Slon, Don, Arc. (the order need not be exact). To which clan did each of the guides and the players belong? ...
Q: 3 policemen and 3 thieves had to cross a river using a small boat. Only two can use the boat for a trip. All the 3 policemen and only 1 thief knew to ride the boat. If 2 thieves and 1 policeman were left behind they would kill him. But none of them escaped from the policemen. How would they be able to cross the river?
Q: The citizens of planet nigiet are 8 fingered and have thus developed their decimal system in base 8. A certain street in nigiet contains 1000 (in base 8) buildings numbered 1 to 1000. How many 3s are used in numbering these buildings?
Q: A light bulb is hanging in a room. Outside of the room there are three switches, of which only one is connected to the lamp. In the starting situation, all switches are 'off' and the bulb is not lit. If it is allowed to check in the room only once.How would you know which is the switch?
Q: At 6?o a clock ticks 6 times.The time between first and last ticks is 30 seconds.How long does it tick at 12?o clock?2.A hotel has 10 storey. Which floor is above the floor below the floor, below the floor above the floor, below the floor above the fifth.
Q: A vessel is full of liquid. From the vessel, 1/3rd of the liquid evaporates on the first day. On the second day 3/4th of the remaining liquid evaporates. What fraction of the volume is present at the end of the second day
Q: Jarius and Kylar are playing the game. If Jarius wins, then he wins twice as many games as Kylar. If Jarius loses, then Kylar wins as the same number of games that Jarius wins. How many do Jarius and Kylar play before this match?
Q: Given a collection of points P in the plane , a 1-set is a point in P that can be separated from the rest by a line, .i.e the point lies on one side of the line while the others lie on the other side. The number of 1-sets of P is denoted by n1(P)....
Q: In a country where everyone wants a boy, each family continues having babies till they have a boy. After some time, what is the proportion of boys to girls in the country? (Assuming probability of having a boy or a girl is the same)
Q: A family X went for a vacation. Unfortunately it rained for 13 days when they were there. But whenever it rained in the mornings, they had clear afternoons and vice versa. In all they enjoyed 11 mornings and 12 afternoons. How many days did they stay there totally?
Q: A Man is sitting in the last coach of train could not find a seat, so he starts walking to the front coach ,he walks for 5 min and reaches front coach. Not finding a seat he walks back to last coach and when he reaches there,train had completed 5 miles. what is the speed of the train ?
Q: A man driving the car at twice the speed of auto one day he was driven car for 10 min. and car is failed. he left the car and took auto to go to the office .he spent 30 min. in the auto. what will be the time take by car to go office?
Q: A person meets a train at a railway station coming daily at a particular time. One day he is late by 25 minutes, and he meets the train 5 k.m. before the station. If his speed is 12 kmph, what is the speed of the train.
Q: Joe started from Bombay towards Pune and her friend julie in opposite direction. they met at a point . distance traveled by joe was 1.8 miles more than that of julie.after spending some both started there way. joe reaches in 2 hours while julie in 3.5 hours.Assuming both were traveling with constant speed. What is the distance between the two cities.
Q: The profit made by a company in one year is enough to give 6% return on all shares. But as the preferred shares get on return of 7.5%, so the ordinary shares got on return of 5%. If the value of preferred shares is Rs 4,000000, then what is the va...
Q: On a particular day A and B decide that they would either speak the truth or will lie. C asks A whether he is speaking truth or lying? He answers and B listens to what he said. C then asks B what A has said B says "A says that he is a liar"
Q: A is driving on a highway when the police fines him for over speeding and exceeding the limit by 10 km/hr. At the same time B is fined for over speeding by twice the amount by which A exceeded the limit. If he was driving at 35 km/hr what is the speed limit for the road?
Q: There are 100 people in an organization. If 46 people can speak English, 46 Spanish, 58 French, 16 can speak both English and Spanish, 24 can speak both Spanish and French, 26 both English and French and 7 can speak all the languages.How many are there who cannot speak any of the three languages.
Q: You have a large number of stocks (say 1000). The value (price) of these stocks is random in the short time but grows exponentially (at different rates) in the long run. You observe all the stock prices today. Which digit in the price of all these...