Preparation for SAP requires a shift in perspective. While coding skills are essential, interviewers are equally interested in your ability to understand business context and integrate into a mature engineering culture.

Focus your preparation on these key evaluation criteria:

Technical Depth & Architecture – You must demonstrate not just how to write code, but how to structure it. Interviewers evaluate your understanding of design patterns (MVVM, Clean Architecture), concurrency, and how you make decisions that ensure an app remains maintainable over years, not just months.

Enterprise Mindset – SAP values engineers who understand the constraints of enterprise software. You will be evaluated on your awareness of security, data privacy, backward compatibility, and offline capabilities. Showing that you think about "edge cases" in a business context is a significant differentiator.

Collaboration & Communication – Given the global nature of SAP, you will often work with teams distributed across time zones. Interviewers look for candidates who can explain complex technical concepts to non-technical stakeholders and who approach disagreements with a constructive, solution-oriented attitude.

Adaptability & Learning – The technology stack at SAP evolves, moving from legacy frameworks to modern standards like SwiftUI and Jetpack Compose. You need to show a track record of learning new technologies and applying them pragmatically to solve real problems.

The interview process for a Mobile Engineer at SAP is structured to assess both your coding capability and your fit within the team. While the exact steps can vary by location and seniority, the process generally follows a predictable flow designed to be thorough yet respectful of your time.

You should expect a process that often begins with a recruiter screen, followed by a technical assessment. Unlike many tech companies that rely solely on LeetCode-style live coding, SAP frequently utilizes a Take-Home Assignment. This allows you to demonstrate your ability to build a feature or a small app in a realistic environment. Following the submission, you will likely face a technical review round where you discuss your code, defend your architectural choices, and answer follow-up questions on specific technologies (e.g., Swift Concurrency or Kotlin Coroutines). The final stages typically involve behavioral interviews focused on soft skills and past project experiences.

Overall, the SAP process is less about "gotcha" questions and more about competency and consistency. The atmosphere is generally described as professional and pleasant, with interviewers who are keen to understand your thought process.

This timeline illustrates a typical path. The Take-Home Assignment is a critical pivot point; if assigned, your performance in the subsequent technical round will be heavily based on the code you submit. Use the time between the assignment submission and the onsite interview to review your own code, optimize it, and prepare to explain why you made specific design decisions.

To succeed, you must demonstrate proficiency in specific areas that align with SAP's mobile engineering needs. Based on candidate reports, you should focus heavily on the following pillars.

Mobile System Design & Architecture

This is often the most critical part of the technical discussion, especially during the review of your take-home task or past projects.

• Why it matters: Enterprise apps are complex and long-lived. SAP needs engineers who write decoupled, testable code.
• How it is evaluated: You will be asked to critique your own code or design a system from scratch.
• Strong performance: You can clearly articulate the pros and cons of MVVM, VIPER, or Clean Architecture. You understand dependency injection and how to manage state effectively across a large application.

Be ready to go over:

• Design Patterns: MVVM vs. MVC, Coordinator pattern, Singleton (and when to avoid it).
• Data Persistence: CoreData, Realm, or secure local storage solutions.
• Networking: Handling API calls, error handling, and offline synchronization strategies.
• Advanced concepts: Modularization, reactive programming (Combine/RxSwift), and dependency management (SPM/CocoaPods/Gradle).

Example questions or scenarios:

• "Walk me through the architecture of your submitted app. Why did you choose MVVM over MVC?"
• "How would you design an app that needs to function fully offline and sync when connection is restored?"
• "Explain how you handle dependency injection in your current projects."

Native Language Proficiency (iOS/Android)

Expect deep questions on the specific language and platform you are applying for. SAP is moving toward modern frameworks, so knowledge of the latest tools is expected.

• Why it matters: You need to write efficient, crash-free code that leverages the platform's native capabilities.
• How it is evaluated: Specific questions on language features, memory management, and UI construction.
• Strong performance: You understand what happens "under the hood." For iOS, this means deep knowledge of Swift; for Android, Kotlin.

Be ready to go over:

• Concurrency: Async/await, Actors, GCD, or Kotlin Coroutines.
• UI Frameworks: SwiftUI is a major focus for new iOS roles; Jetpack Compose for Android. Be ready to compare these with UIKit/XML.
• Memory Management: ARC, retain cycles, weak/unowned references, and memory leaks.

Example questions or scenarios:

• "What is the difference between a struct and a class in Swift, and when would you use each?"
• "Explain how Swift Concurrency handles data safety compared to traditional GCD."
• "How do you debug a memory leak in a large application?"

Behavioral & Project Experience

SAP places high value on how you work. You will be asked to discuss your history to predict your future performance.

• Why it matters: Technical skills are useless if you cannot deliver within a team structure.
• How it is evaluated: Questions about past challenges, conflicts, and motivations.
• Strong performance: Using the STAR method (Situation, Task, Action, Result) to tell compelling stories about your impact.

Be ready to go over:

• Collaboration: Working with Product Managers, Designers, and QA.
• Conflict Resolution: Handling disagreements over technical implementation.
• Adaptability: Times you had to learn a new tool quickly or pivot strategies.

Example questions or scenarios:

• "Tell me about a challenging technical problem you solved in a previous project."
• "Why do you want to work for SAP specifically?"
• "Describe a time you disagreed with a manager or lead engineer. How did you resolve it?"

As a Mobile Engineer at SAP, your day-to-day work involves much more than just writing code. You are a steward of the user experience for enterprise clients.

You will be responsible for designing and implementing high-quality features for iOS or Android applications. This often involves translating complex business requirements into clean, user-friendly interfaces that adhere to the SAP Fiori design guidelines. You will collaborate closely with product owners to understand the "why" behind features and with backend engineers to define API specifications that support efficient mobile performance.

A significant part of your role includes maintaining and refactoring existing codebases to improve performance and adopt modern standards like SwiftUI or Kotlin Multiplatform. You will also participate in code reviews, ensuring that the team maintains high standards for security and testability. In many teams, you will contribute to the CI/CD pipeline, ensuring that builds are automated and releases are smooth.

To be competitive for this role, you need a solid foundation in native development and an appetite for enterprise challenges.

• Technical Skills

  • iOS: Deep proficiency in Swift, SwiftUI, and UIKit. Knowledge of Combine and XCTest is highly valued.
  • Android: Strong command of Kotlin, Jetpack Compose, and the Android SDK.
  • General: Experience with RESTful APIs, Git, and CI/CD tools (Jenkins, GitHub Actions).

• Experience Level

  • Typically requires a Bachelor’s degree in Computer Science or equivalent practical experience.
  • Mid-level roles usually look for 3+ years of professional mobile development experience.
  • Experience with large codebases and modular architecture is preferred over simple, standalone app development.

• Soft Skills

  • Strong English communication skills (verbal and written) are essential for global collaboration.
  • A proactive mindset; you should be comfortable taking ownership of tasks and driving them to completion.

• Nice-to-Have vs. Must-Have

  • Must-have: Strong understanding of architectural patterns (MVVM/Clean) and unit testing.
  • Nice-to-have: Experience with SAP BTP SDK for iOS/Android, familiarity with cross-platform frameworks (Flutter/React Native), or background in B2B software.