Marsh Software Engineer Interview Questions + Guide in 2025

Marsh is a leading global professional services firm specializing in risk management and insurance solutions.

As a Software Engineer at Marsh, you will play a critical role in designing, developing, and maintaining software applications that directly support the company's risk management services. Your responsibilities will include collaborating with cross-functional teams to understand business needs and translate them into technical solutions, writing high-quality and efficient code, and participating in the entire software development lifecycle. Additionally, you will be expected to contribute to best practices in software engineering, continually learn new technologies, and maintain open communication with stakeholders to ensure that the solutions you deliver align with business objectives.

To be successful in this role, you should have a strong foundation in programming languages such as Java, Python, or C#, and experience with web development frameworks like Angular, React, or Vue. A solid understanding of database management, both SQL and NoSQL, along with familiarity with automated testing and unit testing practices, is essential. Furthermore, your ability to think analytically and work collaboratively within a team will be highly valued, as will your passion for ongoing personal and professional development.

This guide will help you prepare for your interview by providing insights into the skills and qualities that Marsh prioritizes, enabling you to tailor your responses and demonstrate your suitability for the Software Engineer role.

The interview process for a Software Engineer at Marsh is designed to assess both technical skills and cultural fit within the organization. It typically unfolds in several structured stages, ensuring a comprehensive evaluation of candidates.

1. Initial Screening

The process begins with a phone screening conducted by a recruiter or HR representative. This initial conversation is generally straightforward, focusing on your background, motivations for applying to Marsh, and basic technical knowledge. Expect questions that gauge your understanding of the role and your ability to communicate effectively.

2. Video Interview

Following the initial screening, candidates may be invited to participate in a recorded video interview. This format can be somewhat intimidating, as it often includes a series of timed questions tailored to the specific position. You will be asked to respond to competency-based questions that assess your problem-solving abilities and how you handle various work scenarios.

3. HR Interview

If you successfully pass the video interview, the next step is typically an HR interview. This session is more relaxed and conversational, allowing you to discuss your experiences in greater detail. Expect to answer behavioral questions that explore how you have navigated challenges in previous roles and your approach to teamwork and communication.

4. Technical Interview

Candidates who progress past the HR interview will usually face a technical interview. This may involve discussions with a hiring manager or team members, where you will be asked to demonstrate your technical expertise. Be prepared to answer questions related to programming languages, frameworks, and software development practices relevant to the role, as well as to solve coding problems on the spot.

5. Final Interview

In some cases, a final interview may be conducted with higher-level management or team leads. This stage often includes a mix of personal and professional questions aimed at understanding your long-term goals and how they align with Marsh's objectives. It’s also an opportunity for you to assess whether the company culture and team dynamics are a good fit for you.

As you prepare for your interview, consider the types of questions that may arise during each stage of the process.

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

Understand the Company Culture

Marsh values communication, collaboration, and a supportive work environment. Familiarize yourself with their commitment to diversity and inclusion, as well as their focus on professional development. Be prepared to discuss how your values align with theirs and how you can contribute to a positive team dynamic.

Prepare for Behavioral Questions

Expect a range of behavioral questions that assess your problem-solving abilities and interpersonal skills. Use the STAR (Situation, Task, Action, Result) method to structure your responses. Reflect on past experiences where you overcame challenges, worked effectively in a team, or demonstrated leadership. This will help you articulate your experiences clearly and confidently.

Showcase Your Technical Skills

As a Software Engineer, you will likely face technical questions related to programming languages and frameworks relevant to the role. Brush up on Java, JavaScript, and any specific technologies mentioned in the job description, such as NodeJS, Express, and TypeScript. Be ready to discuss your experience with unit testing, ETL processes, and database management, as these are crucial for the position.

Be Ready for Problem-Solving Scenarios

You may encounter problem-solving scenarios during the interview. Practice articulating your thought process when faced with technical challenges. Demonstrating your analytical thinking and structured approach to problem-solving will showcase your suitability for the role.

Ask Thoughtful Questions

Prepare insightful questions to ask your interviewers. This not only shows your interest in the role but also helps you gauge if Marsh is the right fit for you. Inquire about team dynamics, project management methodologies, or opportunities for professional growth within the company.

Maintain a Positive Attitude

Interviews can be intimidating, but maintaining a positive and relaxed demeanor can make a significant difference. Remember that the interview is as much about you assessing the company as it is about them evaluating you. Approach the conversation with curiosity and enthusiasm, and don’t hesitate to express your genuine interest in the role.

Follow Up

After the interview, send a thank-you email to express your appreciation for the opportunity to interview. This is a chance to reiterate your interest in the position and reflect on any key points discussed during the interview. A thoughtful follow-up can leave a lasting impression and demonstrate your professionalism.

By preparing thoroughly and approaching the interview with confidence and authenticity, you can position yourself as a strong candidate for the Software Engineer role at Marsh. Good luck!

In this section, we’ll review the various interview questions that might be asked during a software engineering interview at Marsh. The interview process will likely assess your technical skills, problem-solving abilities, and cultural fit within the team. Be prepared to discuss your experiences, technical knowledge, and how you approach challenges in a collaborative environment.

Experience and Background

1. Why do you want to work for Marsh?

This question aims to gauge your motivation and understanding of the company’s values and mission.

How to Answer

Express your enthusiasm for the company and align your personal values with Marsh's mission. Highlight specific aspects of the company that resonate with you, such as their commitment to diversity or innovative projects.

Example

“I am drawn to Marsh because of its commitment to fostering a diverse and inclusive workplace. I admire how the company leverages innovative technology to solve complex problems, and I believe my background in software development aligns well with your goals.”

2. Describe a difficult situation you faced in a project and how you overcame it.

This question assesses your problem-solving skills and resilience in challenging situations.

How to Answer

Share a specific example that demonstrates your ability to navigate obstacles. Focus on the actions you took and the positive outcome that resulted from your efforts.

Example

“In a previous project, we faced a significant delay due to unforeseen technical challenges. I organized a series of brainstorming sessions with the team to identify alternative solutions, which ultimately led us to implement a more efficient approach that not only met our deadline but also improved the overall product quality.”

3. How do you value communication with others in relation to project management?

This question evaluates your understanding of teamwork and communication in a software development context.

How to Answer

Discuss the importance of clear communication in ensuring project success. Provide examples of how you have effectively communicated with team members and stakeholders in the past.

Example

“I believe that effective communication is crucial for successful project management. In my last role, I made it a point to hold regular check-ins with my team to discuss progress and address any concerns. This open line of communication helped us stay aligned and allowed us to adapt quickly to any changes.”

Technical Skills

4. Can you explain your experience with JavaScript design patterns?

This question tests your technical knowledge and understanding of best practices in software development.

How to Answer

Provide a brief overview of the design patterns you are familiar with and how you have applied them in your projects. Mention specific patterns and their benefits.

Example

“I have experience with several JavaScript design patterns, including the Module and Observer patterns. For instance, I used the Module pattern to encapsulate functionality in a web application, which improved maintainability and reduced global namespace pollution.”

5. Describe your experience with REST APIs and how you have implemented them in your projects.

This question assesses your practical knowledge of API development and integration.

How to Answer

Discuss your experience with designing and consuming REST APIs, including any specific technologies or frameworks you have used.

Example

“I have implemented REST APIs using Node.js and Express in several projects. In one instance, I developed an API for a web application that allowed users to retrieve and update their profiles. I ensured that the API followed RESTful principles, which made it intuitive and easy to use.”

6. How do you approach writing unit tests and ensuring code quality?

This question evaluates your commitment to software quality and testing practices.

How to Answer

Explain your approach to writing unit tests, including the tools and frameworks you use. Emphasize the importance of testing in the development process.

Example

“I prioritize writing unit tests as part of my development process. I typically use Jest for testing JavaScript applications, and I aim for high test coverage to ensure that my code is reliable. This practice not only helps catch bugs early but also provides documentation for future developers.”

Problem-Solving and Collaboration

7. Tell me about a time when you had to work on a difficult project. How did you handle it?

This question assesses your ability to manage complex projects and collaborate with others.

How to Answer

Share a specific project that posed challenges and describe the steps you took to address them, focusing on teamwork and collaboration.

Example

“I worked on a project that required integrating multiple systems with tight deadlines. I coordinated with cross-functional teams to gather requirements and set realistic timelines. By fostering open communication and collaboration, we successfully delivered the project on time, exceeding client expectations.”

8. How would you handle a situation where a team member disagrees with your approach?

This question evaluates your interpersonal skills and ability to navigate conflicts.

How to Answer

Discuss your approach to conflict resolution and the importance of considering different perspectives in a team setting.

Example

“If a team member disagreed with my approach, I would first listen to their concerns and try to understand their perspective. I believe in collaborative problem-solving, so I would suggest we discuss our ideas openly and find a solution that incorporates the best aspects of both approaches.”

9. What are your long-term goals, and how does this position fit into them?

This question helps the interviewer understand your career aspirations and how they align with the company’s objectives.

How to Answer

Share your professional goals and how the role at Marsh will help you achieve them, emphasizing your commitment to growth and development.

Example

“My long-term goal is to become a lead software engineer, where I can mentor others and drive innovative projects. I see this position at Marsh as a perfect opportunity to develop my technical skills and gain experience in a collaborative environment, which will help me reach that goal.”