Quest Global Software Engineer Interview Questions + Guide in 2025

Quest Global is a leading engineering services firm recognized for its innovation and expertise across various industries, committed to delivering engineering solutions that drive progress and excellence.

As a Software Engineer at Quest Global, you'll be at the forefront of developing cutting-edge software solutions, particularly in the embedded systems domain. Your key responsibilities will include designing, implementing, and testing software for complex electronic systems, collaborating closely with cross-functional teams, and ensuring adherence to industry standards. A strong background in algorithms is crucial as you'll be solving algorithmic problems frequently, while proficiency in programming languages like Python will enhance your ability to develop efficient software. Familiarity with data structures and principles of object-oriented design is essential, as you'll be required to create scalable and maintainable code.

The ideal candidate will not only possess technical expertise but also demonstrate excellent problem-solving skills, adaptability to a fast-paced environment, and a collaborative spirit that aligns with Quest Global's values of innovation and teamwork. Understanding architectural frameworks for software development, particularly in relation to client projects, will also give you an edge. By leveraging this guide, you'll be well-prepared to articulate your knowledge, showcase your skills, and confidently navigate the interview process at Quest Global.

The interview process for a Software Engineer at Quest Global is structured to assess both technical skills and cultural fit within the organization. It typically consists of two main rounds, each designed to evaluate different aspects of your expertise and experience.

1. Initial Technical Interview

The first round is a technical interview that usually lasts about 30 to 60 minutes. During this session, you will be asked a series of questions that cover fundamental concepts relevant to the role, including core programming principles, data structures, and algorithms. Expect to discuss specific technologies and frameworks that are pertinent to the projects at Quest Global, such as iOS development, Android architecture, and embedded systems. The interviewer may also delve into your previous project experiences, focusing on how you applied your technical knowledge in real-world scenarios. This round is crucial for demonstrating your problem-solving abilities and understanding of software engineering principles.

2. Client Interview

The second round is typically a client interview, which may also last around 30 to 60 minutes. This interview is more focused on your understanding of the specific requirements of the client’s current projects. You will be expected to answer questions related to your experience with software architecture, particularly in the context of Android or embedded systems. Additionally, you may be asked to solve algorithmic problems on the spot, showcasing your coding skills and ability to think critically under pressure. Questions may also cover the differences between various data storage solutions, such as Room and SQLite, and how to upgrade existing projects to utilize these technologies effectively.

As you prepare for your interview, it’s essential to be ready for both technical and situational questions that will assess your fit for the role and the company culture.

Here are some tips to help you excel in your interview.

Master the Fundamentals

As a Software Engineer at Quest Global, you will likely face questions that test your understanding of core concepts, particularly in iOS and Android development. Brush up on your knowledge of data structures, object-oriented programming (OOP), and the differences between hardware and software. Be prepared to explain these concepts clearly and concisely, as the interviewers may not be patient with vague answers.

Prepare for Technical Challenges

Expect to solve algorithmic problems during your interview. Practice coding challenges that require you to demonstrate your problem-solving skills and proficiency in algorithms. Familiarize yourself with common algorithms and data structures, and be ready to discuss your thought process as you work through these problems. This will showcase your analytical skills and ability to think on your feet.

Understand the Project Requirements

During the first round of interviews, you may be asked questions related to the specific project requirements of the client. Research the types of projects Quest Global typically undertakes and be prepared to discuss how your previous experience aligns with their needs. This will demonstrate your proactive approach and genuine interest in the role.

Showcase Your Experience with Android Architecture

If your background includes Android development, be ready to discuss your understanding of Android architecture and how you have implemented it in past projects. Highlight any specific frameworks or tools you have used, and be prepared to explain your decision-making process in choosing those technologies.

Communicate Effectively

Strong communication skills are essential for a Software Engineer at Quest Global. Be prepared to articulate your thoughts clearly, especially when discussing technical topics with non-technical stakeholders. Practice explaining complex concepts in simple terms, as this will help you stand out as a candidate who can bridge the gap between technical and non-technical teams.

Embrace a Collaborative Mindset

Quest Global values collaboration and teamwork. Be ready to discuss how you have worked effectively in team settings, including any challenges you faced and how you overcame them. Highlight your ability to foster a positive team environment and your commitment to continuous improvement.

Stay Humble and Open to Learning

The company culture at Quest Global emphasizes humility and a growth mindset. Be prepared to discuss instances where you learned from failures or sought feedback to improve your skills. This will resonate well with the interviewers and demonstrate that you align with their values.

Follow Up with Questions

At the end of your interview, take the opportunity to ask insightful questions about the team, projects, and company culture. This not only shows your interest in the role but also helps you assess if Quest Global is the right fit for you. Tailor your questions based on the information you gather during the interview to make them more impactful.

By following these tips, you will be well-prepared to make a strong impression during your interview at Quest Global. Good luck!

In this section, we’ll review the various interview questions that might be asked during a software engineering interview at Quest Global. The interview process will likely focus on your technical skills, problem-solving abilities, and understanding of software development principles. Be prepared to discuss your experience with algorithms, data structures, and specific programming languages, as well as your approach to teamwork and project management.

Technical Skills

1. Can you explain the difference between hardware and software?

Understanding the fundamental differences between hardware and software is crucial for a software engineer, especially in a company that deals with embedded systems.

How to Answer

Provide a clear distinction between the two, emphasizing how hardware refers to the physical components of a computer system, while software consists of the programs and applications that run on that hardware.

Example

"Hardware refers to the tangible components of a computer system, such as the CPU, memory, and storage devices, while software is the set of instructions that tells the hardware what to do. For instance, an operating system is software that manages hardware resources and provides services for application programs."

2. What are the principles of Object-Oriented Programming (OOP)?

OOP is a key concept in software development, and understanding its principles is essential for any software engineer.

How to Answer

Discuss the four main principles of OOP: encapsulation, inheritance, polymorphism, and abstraction, and provide examples of how they can be applied in software design.

Example

"The four main principles of OOP are encapsulation, which restricts access to certain components; inheritance, which allows a new class to inherit properties from an existing class; polymorphism, which enables methods to do different things based on the object it is acting upon; and abstraction, which simplifies complex systems by modeling classes based on essential properties."

3. Describe your experience with data structures. Which ones have you used, and in what context?

Data structures are fundamental to efficient software development, and your experience with them will be assessed.

How to Answer

Mention specific data structures you have used, such as arrays, linked lists, trees, or hash tables, and provide examples of how you implemented them in your projects.

Example

"I have used various data structures throughout my career, including arrays for storing lists of items, linked lists for dynamic memory allocation, and hash tables for quick data retrieval. For instance, in a recent project, I implemented a binary search tree to efficiently manage and query a large dataset of user information."

4. Can you explain the software development lifecycle?

Understanding the software development lifecycle (SDLC) is crucial for managing projects effectively.

How to Answer

Outline the stages of the SDLC, including planning, analysis, design, implementation, testing, deployment, and maintenance, and explain the importance of each phase.

Example

"The software development lifecycle consists of several stages: planning, where project goals are defined; analysis, where requirements are gathered; design, where the architecture is created; implementation, where coding occurs; testing, where the software is validated; deployment, where it is released to users; and maintenance, where ongoing support is provided. Each stage is critical to ensure the final product meets user needs and quality standards."

Problem-Solving and Algorithms

5. How would you approach solving an algorithmic problem?

Your problem-solving approach is key to your success as a software engineer.

How to Answer

Describe your systematic approach to tackling algorithmic problems, including understanding the problem, breaking it down into smaller parts, and considering time and space complexity.

Example

"When faced with an algorithmic problem, I first ensure I fully understand the requirements and constraints. I then break the problem down into smaller, manageable parts and consider different algorithms that could be applied. I also evaluate the time and space complexity of each approach to choose the most efficient solution."

6. Can you solve a problem using a specific algorithm, such as sorting or searching?

Demonstrating your ability to implement algorithms is essential.

How to Answer

Be prepared to explain a sorting or searching algorithm, such as quicksort or binary search, and walk through how you would implement it.

Example

"I can implement a binary search algorithm, which is efficient for sorted arrays. The algorithm works by repeatedly dividing the search interval in half. If the target value is less than the middle element, the search continues in the lower half; otherwise, it continues in the upper half. This approach has a time complexity of O(log n)."

7. What is the difference between Room and SQLite?

Understanding database management systems is important for software engineers, especially in mobile development.

How to Answer

Explain the differences between Room, which is an abstraction layer over SQLite, and SQLite itself, focusing on how Room simplifies database interactions.

Example

"Room is an abstraction layer over SQLite that provides a more robust and easier way to manage database interactions in Android applications. It offers compile-time checks of SQL queries, eliminates boilerplate code, and provides a more object-oriented approach to database management compared to using SQLite directly."

Teamwork and Collaboration

8. How do you handle conflicts within a team?

Collaboration is key in software development, and your ability to manage conflicts will be assessed.

How to Answer

Discuss your approach to conflict resolution, emphasizing communication, understanding different perspectives, and finding common ground.

Example

"When conflicts arise within a team, I prioritize open communication. I encourage team members to express their viewpoints and actively listen to each other. By understanding the underlying issues and finding common ground, we can collaboratively develop a solution that satisfies everyone involved."

9. Describe a project where you had to collaborate with cross-functional teams.

Your ability to work with diverse teams is important for success in a collaborative environment.

How to Answer

Provide an example of a project where you worked with different teams, highlighting the importance of communication and collaboration.

Example

"In a recent project, I collaborated with the hardware and product management teams to develop an embedded software solution. Regular meetings and clear communication were essential to align our goals and ensure that the software met the hardware specifications. This collaboration ultimately led to a successful product launch."

10. How do you prioritize tasks when managing multiple projects?

Effective project management is crucial for a software engineer, especially in a fast-paced environment.

How to Answer

Explain your approach to prioritizing tasks, including assessing deadlines, project importance, and resource availability.

Example

"When managing multiple projects, I prioritize tasks based on their deadlines and overall impact on the business. I use project management tools to track progress and ensure that resources are allocated effectively. Regular check-ins with team members also help me adjust priorities as needed to meet project goals."