Which programming language is best for getting a job in Amazon?

To increase your chances of getting a job at Amazon, it's important to focus on programming languages that are most commonly used at the company. Here’s a breakdown of the best programming languages for various roles at Amazon:

1. Java (Best for Backend and General Roles)

Java is widely used across Amazon, especially for backend development, microservices, and scalable distributed systems. If you're aiming for a software development role, particularly in backend or cloud services, Java is highly valuable.

• Used For: Backend services, Amazon Web Services (AWS) infrastructure, large-scale distributed systems.
• Why it’s important: Amazon’s core systems and many services are built using Java, making it a strong choice for backend roles.

2. Python (Best for Automation, Data, and Machine Learning)

Python is another highly used language at Amazon, especially in areas involving data science, machine learning, and automation. Python is also widely used in AWS Lambda and for writing scripts that automate various processes.

• Used For: Machine learning (with AWS SageMaker), data analysis, automation, and scripting.
• Why it’s important: If you’re interested in data-driven roles, machine learning, or cloud development, Python is a great choice.

3. C++ (Best for High-Performance Systems)

C++ is commonly used for systems that require high performance and low latency. It’s a good option if you’re targeting roles related to high-performance computing, AWS infrastructure, or hardware-level operations.

• Used For: AWS core infrastructure, high-performance and low-latency systems.
• Why it’s important: If you’re targeting roles that deal with performance optimization or low-level system development, C++ is a strong choice.

4. JavaScript/TypeScript (Best for Web and Frontend Development)

If you're aiming for frontend development or roles that involve building web applications, JavaScript and TypeScript are excellent choices. These languages are widely used for building web interfaces and APIs, particularly using Node.js in backend services.

• Used For: Web applications, APIs, serverless applications (via AWS Lambda).
• Why it’s important: For roles that focus on web development, JavaScript and TypeScript will be essential.

5. Go (Golang) (Best for Cloud and Microservices)

Go has been increasingly adopted at Amazon, particularly for cloud-native applications and microservices. Its concurrency features and simplicity make it a great option for cloud and distributed systems.

• Used For: Cloud applications, microservices, scalable distributed systems.
• Why it’s important: If you’re interested in building highly scalable services in cloud environments, Go is a great choice.

Which Language Should You Focus On?

• Java is the best language for general backend development and microservices, and is the most widely used language at Amazon.
• Python is ideal if you're targeting roles in machine learning, automation, or data science.
• C++ is recommended for high-performance systems and AWS infrastructure.
• JavaScript/TypeScript is the best for frontend and web development roles.
• Go is becoming more popular for cloud-native applications and microservices.

Preparing for an Amazon Interview:

• For coding interviews, Grokking the Coding Interview is a great resource to master coding patterns commonly tested at Amazon.
• If you're applying for a senior position, Grokking the System Design Interview will help you prepare for system design interviews, which often involve building scalable systems using these languages.

By mastering Java or Python, you’ll be well-prepared for most technical roles at Amazon, and knowing JavaScript, Go, or C++ can further expand your opportunities in more specialized areas.