Expect a mix of technical challenges and behavioral inquiries. Our questions are designed to see how you think and how you would behave as a member of our engineering community.

Technical & Problem Solving

• Describe how you would implement a real-time notification system for a mobile security app.
• How do you ensure your code is secure against common vulnerabilities like SQL injection?
• Explain the logic behind a GPS tracking algorithm that minimizes battery drain on a mobile device.
• What are the trade-offs between using a relational database versus a NoSQL database for storing security logs?

Behavioral & Cultural Fit

• Tell me about a time you had to work with a difficult stakeholder to deliver a technical project.
• Why are you interested in the security industry specifically?
• How do you handle a situation where a production system goes down outside of standard working hours?
• Describe a project where you had to learn a new technology very quickly.

This timeline illustrates the standard progression from your first contact to a final decision. Candidates should use this to pace their preparation, ensuring they are ready for technical deep dives in the middle stages while staying focused on high-level communication for the final rounds.

Deep Dive into Evaluation Areas

System Design and Architecture

For most engineering roles, especially those involving our GPS and tracking applications, understanding how systems interact at scale is crucial. We evaluate your ability to design systems that are both resilient and performant under varying loads.

Be ready to go over:

• Scalability – How to handle thousands of concurrent data points from security sensors or vehicles.
• Data Consistency – Ensuring that critical security alerts are delivered accurately and in the correct order.
• Integration – How to connect legacy security hardware with modern cloud-based software suites.

Advanced concepts (less common):

• Geo-fencing algorithms and optimization.
• Low-latency data streaming for real-time monitoring.
• Integration with third-party emergency response APIs.

Example questions or scenarios:

• "Design a system that tracks a fleet of security vehicles in real-time and alerts dispatch if a vehicle leaves a designated zone."
• "How would you handle a sudden spike in data from thousands of IoT alarms during a regional emergency?"

Technical Implementation & Coding

We look for engineers who write code that is not only functional but also readable and easy to test. You will likely be asked to solve problems that reflect the type of logic used in our security platforms.

Be ready to go over:

• Data Structures – Efficiently managing lists of events, logs, and user permissions.
• Concurrency – Handling multiple tasks simultaneously, which is common in monitoring software.
• API Design – Creating clean interfaces for our mobile and web applications to consume.

Example questions or scenarios:

• "Implement a function to filter and prioritize security alerts based on severity and timestamp."
• "Walk us through a complex bug you found in a production environment and how you resolved it."

Key Responsibilities

As a Software Engineer at Securitas, your primary responsibility is the development and maintenance of software that powers our global security operations. This involves writing high-quality code, participating in peer code reviews, and contributing to the architectural evolution of our platforms. You will often work on projects like GPS detection applications, guard management tools, and client-facing security dashboards.

Collaboration is a core part of the day-to-day experience. You will work closely with Product Managers to define requirements, DevOps to ensure smooth deployments, and sometimes even Operations teams to understand how guards interact with your software in the field. This role requires a high degree of empathy for the end-user, as the tools you build are often used in high-stress security situations.

Depending on your specific team, you may also be involved in the integration of hardware and software. This could include working with camera systems, biometric scanners, or GPS trackers. You are expected to take ownership of your features from conception through to production monitoring, ensuring that our security services remain uninterrupted.

Role Requirements & Qualifications

A successful candidate for the Software Engineer position at Securitas combines technical mastery with a professional, solution-oriented mindset. We look for individuals who are comfortable working in an environment that values both stability and innovation.

• Technical Skills: Proficiency in modern programming languages (such as Java, C#, or Python) and experience with cloud platforms like Azure or AWS. Familiarity with SQL and NoSQL databases is essential for managing security data.
• Experience Level: Typically, we look for candidates with a solid foundation in software development, with specific experience in distributed systems or mobile application development being a significant advantage.
• Soft Skills: Strong communication skills are a must-have, as you will need to explain technical constraints to non-technical stakeholders. You should be comfortable with a "laid back but professional" culture where clarity and follow-through are valued.

Must-have skills:

• Strong understanding of software development life cycle (SDLC).
• Experience with version control systems (Git).
• Ability to write unit and integration tests.

Nice-to-have skills:

• Experience with GPS or mapping APIs (e.g., Google Maps API, Mapbox).
• Knowledge of cybersecurity best practices.
• Previous experience in the security or logistics industry.

Frequently Asked Questions

Q: How technical is the interview process for Software Engineers? The process is moderately technical. While we do test your coding and design skills, we are equally interested in your ability to apply those skills to Securitas' specific business needs, such as tracking and monitoring.

Q: Is there a specific focus on certain programming languages? While we use a variety of tools, having a strong command of enterprise-level languages like Java or .NET is often beneficial. However, we value general problem-solving ability over specific syntax knowledge.

Q: What is the work culture like for the engineering team? The culture is often described as casual and laid back but very focused on results. Because we deal with security, there is a high level of individual responsibility and a "get it done right" mentality.

Q: Does this role require travel? Some roles, particularly those in the United States or global positions, may involve occasional travel to client sites or other Securitas offices to better understand the operational side of our security services.

Other General Tips

• Understand the Business: Before your interview, research Securitas' shift toward "Electronic Security." Being able to talk about how software replaces or enhances traditional guarding will impress your interviewers.
• Focus on Reliability: In the security world, "it works most of the time" is not enough. Emphasize your commitment to testing, error handling, and system uptime.
• Be Clear on Your Background: Be ready to talk through your resume in detail. Interviewers often ask about specific projects, your role in them, and the impact they had.
• Ask About the Project: Our interviewers enjoy talking about the specific security challenges they are solving. Asking insightful questions about the GPS tracking or IoT integration projects shows genuine interest.