About 99x technology
Company Description
99x Technology is a leading software development company that specializes in creating innovative digital solutions for businesses worldwide. Founded in 2008, the company is headquartered in Colombo, Sri Lanka, and has built a reputation for excellence in delivering high-quality software products and services. 99x Technology is committed to fostering a collaborative and inclusive work culture that encourages creativity, innovation, and continuous learning. The company places a strong emphasis on employee well-being, professional development, and work-life balance. The job environment at 99x Technology is characterized by open communication, teamwork, and a flat organizational structure that empowers employees to take ownership of their projects and ideas.
Software Engineer Interview Questions
Q1: Can you describe a challenging project you worked on and how you overcame the challenges?
In my previous role, I worked on a web application that faced performance issues due to high user traffic. I conducted thorough profiling and identified bottlenecks in the code. By optimizing database queries and implementing caching mechanisms, we improved the application's response time by 40%.
Q2: What programming languages are you proficient in, and which do you prefer?
I am proficient in Java, Python, and JavaScript. I prefer Java for its robustness and extensive frameworks, making it ideal for enterprise applications. However, I enjoy using Python for its simplicity and readability in data science projects.
Q3: Describe your experience with version control systems.
I have extensive experience using Git for version control. I regularly use it for branching, merging, and collaborating with team members on projects. I also follow best practices such as writing meaningful commit messages and maintaining a clean commit history.
Q4: How do you ensure code quality and maintainability?
I ensure code quality by following coding standards, conducting code reviews, and writing unit tests. I also utilize tools for static code analysis to identify potential issues early in the development process, ensuring maintainability in the long term.
Q5: Can you explain the concept of Agile development and your experience with it?
Agile development is a methodology that emphasizes iterative progress, collaboration, and flexibility. I have worked in Agile teams where we conducted sprints, daily stand-ups, and retrospectives to improve our processes continuously. This approach has helped us respond quickly to changes and deliver value incrementally.
Product Manager Interview Questions
Q1: How do you prioritize features for a product roadmap?
I prioritize features based on customer feedback, market research, and alignment with business goals. I use a matrix to evaluate each feature's impact versus effort, ensuring that we focus on high-value items that can deliver significant returns.
Q2: Can you give an example of how you handled conflicting stakeholder interests?
In a previous project, stakeholders had differing opinions on feature priorities. I facilitated a meeting where each party could present their views. By focusing on the overall business objectives and using data to support decision-making, we reached a compromise that satisfied all parties.
Q3: Describe your experience with user research and testing.
I have conducted user interviews, surveys, and usability testing to gather insights about user needs and preferences. These findings have been instrumental in shaping product features and improving user experience. I also analyze metrics post-launch to validate our assumptions.
Q4: How do you measure the success of a product after launch?
I measure success through key performance indicators (KPIs) such as user adoption rates, customer satisfaction scores, and revenue growth. I also collect qualitative feedback from users to understand their experiences and identify areas for improvement.
Q5: What tools do you use for project management and collaboration?
I use tools like Jira for task management, Confluence for documentation, and Slack for team communication. These tools help streamline collaboration and ensure transparency in the development process.
UX/UI Designer Interview Questions
Q1: Can you walk us through your design process?
My design process typically starts with research to understand user needs and pain points. I then create wireframes and prototypes to visualize ideas. After gathering feedback, I iterate on the designs before finalizing them, ensuring they meet both user and business requirements.
Q2: How do you incorporate user feedback into your designs?
I regularly conduct user testing sessions to gather feedback on my designs. I analyze the feedback to identify common themes and make necessary adjustments. This iterative approach ensures that the final product aligns with user expectations.
Q3: What design tools are you proficient in?
I am proficient in design tools such as Adobe XD, Sketch, and Figma. I use these tools for wireframing, prototyping, and creating high-fidelity designs. I also have experience with design handoff tools like Zeplin for collaboration with developers.
Q4: How do you ensure accessibility in your designs?
I follow web accessibility guidelines (WCAG) to ensure my designs are usable for individuals with disabilities. This includes using appropriate color contrasts, providing text alternatives for images, and ensuring that the interface is navigable via keyboard.
Q5: Can you share a project where you had to balance aesthetics and functionality?
In a recent project for a mobile app, I had to create a visually appealing interface while ensuring functionality. I focused on a minimalistic design that highlighted key features without cluttering the screen. User testing confirmed that users found the app both attractive and easy to navigate.
Quality Assurance Engineer Interview Questions
Q1: What testing methodologies are you familiar with?
I am familiar with various testing methodologies, including manual testing, automated testing, regression testing, and performance testing. I choose the methodology based on the project requirements and timelines to ensure comprehensive coverage.
Q2: How do you approach writing test cases?
I write test cases by first understanding the requirements and functionality of the application. I focus on defining clear, concise steps and expected outcomes for each test case, ensuring they cover both positive and negative scenarios for thorough validation.
Q3: Describe your experience with automated testing tools.
I have experience using Selenium for web application testing and JUnit for unit testing in Java applications. I have implemented automated test scripts that run as part of the CI/CD pipeline, significantly reducing manual testing time and improving efficiency.
Q4: How do you handle bugs found during testing?
When I find bugs, I document them clearly with steps to reproduce, screenshots, and severity levels. I then communicate with the development team to ensure they understand the issue. I also retest the bugs after they are fixed to confirm resolution.
Q5: Can you explain the importance of regression testing?
Regression testing is crucial to ensure that new code changes do not adversely affect existing functionality. It helps maintain software quality over time and provides confidence that the application continues to meet user expectations after updates or enhancements.
99x technology Interview Questions and Answers
Updated 21 Feb 2026No interview experiences shared yet.
View all interview questionsFrequently Asked Questions in 99x technology
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Common Interview Questions in 99x technology
Q: In a sports contest there were m medals awarded on n successive days (n > 1). 1. On the first day 1 medal and 1/7 of the remaining m - 1 medals were awarded. 2. On the second day 2 medals and 1/7 of the now remaining medals was awarded; and so on.On the nth and last day, the remaining n medals were awarded.How many days did the contest last, and how many medals were awarded altogether?
Q: A hare and a tortoise have a race along a circle of 100 yards diameter. The tortoise goes in one directionand the hare in the other. The hare starts after the tortoise has covered 1/5 of its distance and that too leisurely.The hare and tortoise meet when the hare has covered only 1/8 of the distance. By what factor should the hareincrease its speed so as to tie the race?
Q: 9 cards are there. You have to arrange them in a 3*3 matrix. Cards are of 4 colors. They are red, yellow, blue and green. Conditions for arrangement: one red card must be in first row or second row. 2 green cards should be in 3rd column. Yellow cards must be in the 3 corners only. Two blue cards must be in the 2nd row. At least one green card in each row.
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 two balls touching each other circumferencically. The radius of the big ball is 4 times the diameter of the small all. The outer small ball rotates in anticlockwise direction circumferencically over the bigger one at the rate of 16 rev/sec. The bigger wheel also rotates anticlockwise at N rev/sec. What is 'N' for the horizontal line from the centre of small wheel always is horizontal.
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: T, U, V are 3 friends digging groups in fields. If T & U can complete i groove in 4 days &, U & V can complete 1 groove in 3 days & V & T can complete in 2 days. Find how many days each takes to complete 1 groove individually.
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: There are 3 sticks placed at right angles to each other and a sphere is placed between the sticks . Now another sphere is placed in the gap between the sticks and Larger sphere . Find the radius of smaller sphere in terms of radius of larger sphere.
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: There is a room with a door (closed) and three light bulbs. Outside the room there are three switches, connected to the bulbs. You may manipulate the switches as you wish, but once you open the door you can't change them. Identify each switch with its bulb.
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: In a Park, N persons stand on the circumference of a circle at distinct points. Each possible pair of persons, not standing next to each other, sings a two-minute song ? one pair immediately after the other. If the total time taken for singing is 28 minutes, what is N?
Q: Raj has a jewel chest containing Rings, Pins and Ear-rings. The chest contains 26 pieces. Raj has 2 and 1/2 times as many rings as pins, and the number of pairs of earrings is 4 less than the number of rings. How many earrings does Raj have?...
Q: If I walk with 30 miles/hr i reach 1 hour before and if i walk with 20 miles/hr i reach 1 hour late. Find the distance between 2 points and the exact time of reaching destination is 11 am then find the speed with which it walks.
Q: There are four dogs/ants/people at four corners of a square of unit distance. At the same instant all of them start running with unit speed towards the person on their clockwise direction and will always run towards that target. How long does it take for them to meet and where?
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: 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: Motorboat A leaves shore P as B leaves Q; they move across the lake at a constant speed. They meet first time 600 yards from P. Each returns from the opposite shore without halting, and they meet 200 yards from. How long is the lake?
