Perlego DevOps Engineer interview questions & guide 2026

The questions below represent common themes encountered by candidates during the Perlego interview process. Use these as a framework to evaluate your own technical readiness and to practice articulating your thought process clearly.

Technical Infrastructure and AWS

These questions test your practical knowledge of cloud environments and your ability to manage scalable, production-ready systems.

• What specific AWS services have you utilized to optimize infrastructure costs and performance?
• How do you approach securing cloud-based resources in a production environment?

Preparation for Perlego should be structured around demonstrating both your technical depth and your ability to communicate complex ideas to non-specialist stakeholders. Focus on connecting your past experiences to the specific challenges of scaling an educational platform.

Technical Competency – This covers your hands-on experience with cloud platforms, orchestration, and automation. Interviewers look for evidence that you understand the "why" behind your tool choices, not just the "how." Be prepared to discuss trade-offs in your architecture.

System Design Thinking – You will be evaluated on your ability to envision an entire lifecycle of a feature or service. This means considering security, monitoring, observability, and disaster recovery, rather than just writing a script or configuring a server.

Communication and Collaboration – Since you will work closely with software engineers and product teams, clarity is paramount. Practice explaining technical debt or infrastructure limitations to team members who may not have a background in DevOps.

The interview process at Perlego typically follows a structured, multi-stage path designed to evaluate both your technical skills and your cultural alignment with the team. Candidates can expect an initial screening call followed by a technical assessment, which serves as a core artifact for deeper technical discussions in the final rounds.

The process is generally high-touch, involving direct interaction with infrastructure managers and senior engineers. While the rigor is significant, the intent is to understand your problem-solving process rather than testing for rote memorization. Candidates should prepare for a process that balances independent work, such as the technical take-home task, with collaborative, discussion-based interviews.

This visual timeline illustrates the typical progression from an initial talent screen to final technical and behavioral discussions. Candidates should use this to pace their preparation, ensuring they are ready to deep-dive into their technical assessment during the final rounds. Note that while the process is consistent, the specific focus of the final round can vary depending on the immediate needs of the infrastructure team.

CI/CD Pipeline Design

This area is central to your role. You will be evaluated on your ability to create reliable, automated deployment paths that prioritize speed and safety. Strong candidates demonstrate a deep understanding of automated testing integration and rollback strategies.

Be ready to go over:

• Deployment patterns – Deep knowledge of canary, blue/green, and rolling updates.
• Pipeline security – How you integrate vulnerability scanning and secret management.

As a DevOps Engineer, your primary responsibility is to maintain the health and velocity of the Perlego platform. You will spend a significant portion of your time refining CI/CD processes to ensure that feature releases are frequent and low-risk. This involves working closely with software engineers to optimize their development workflows and reduce the time from commit to production.

Beyond deployments, you are responsible for the reliability of the underlying cloud infrastructure. You will be expected to monitor system performance, manage cloud resources to balance cost and capacity, and participate in on-call rotations to resolve incidents. Your role is to build "paved roads" for the rest of the engineering team, allowing them to deploy services with minimal friction while maintaining the high security and stability standards required for an educational service.

A strong candidate for Perlego brings a mix of deep cloud expertise and a proactive, collaborative mindset. You should be able to demonstrate a history of building systems that are not only functional but also maintainable and scalable.

• Must-have skills:

• Proficiency in AWS services and cloud architecture.

• Experience designing and managing complex CI/CD pipelines.

• Strong scripting skills (e.g., Python, Bash) for automation.

• Experience with Infrastructure as Code tools (e.g., Terraform).

• Nice-to-have skills:

• Experience with container orchestration (e.g., Kubernetes).

• Background in monitoring and observability tools (e.g., Datadog, Prometheus).

• Experience working in a remote-first or highly distributed team environment.

Q: How much time should I dedicate to the take-home assessment? A: Treat the assessment as a professional deliverable. While there is no strict time limit, the quality of your code, the clarity of your documentation, and your ability to explain your trade-offs are what matter most.

Q: What differentiates a successful candidate? A: Successful candidates don't just solve the problem; they demonstrate a "product-first" mindset. They understand that their infrastructure choices affect the end-user experience and the productivity of their fellow engineers.

Q: Is the team open to remote workers? A: Yes, Perlego has shown openness to remote candidates, provided you have the ability to collaborate effectively across time zones and maintain high communication standards.

Q: What happens if I don't hear back after a submission? A: While the team strives for transparency, it is always professional to follow up once if you haven't received feedback within a reasonable timeframe. Use this as an opportunity to reiterate your interest in the role.

• Own your mistakes: If you identify a flaw in your take-home assignment, point it out before the interviewer does. This shows self-awareness and integrity.
• Focus on the "Why": Don't just list tools you have used. Explain why you chose one tool over another based on factors like cost, maintenance, or specific project requirements.
• Prepare questions: Use the final 30 minutes of your interview to ask insightful questions about the team's current technical debt or upcoming infrastructure challenges.
• Be transparent: The interviewers value honesty about your career path and your reasons for wanting to join the team.

Joining Perlego as a DevOps Engineer offers a unique opportunity to scale a platform that makes education more accessible. By focusing on building robust, automated, and observable systems, you will directly influence the company’s ability to grow and support its users.

Remember to leverage the resources on Dataford to explore additional interview insights, practice questions, and preparation strategies that can help you stand out. Your ability to articulate your technical choices and demonstrate a collaborative spirit will be your greatest assets throughout this process.

The compensation data provided reflects the typical market range for this role. Candidates should interpret these figures as a baseline, keeping in mind that total compensation packages often include a mix of base salary, equity, and performance-based benefits depending on your level of experience and tenure.