Here are 10 key terms related to backend engineering, covering essential skills, tools, and work methodologies:
- Node.js / Python / Java / Ruby / PHP – Common backend programming languages used to build server-side applications. 
- Database – Includes SQL (e.g., MySQL, PostgreSQL) and NoSQL (e.g., MongoDB, Redis) for data storage, management, and optimization. 
- REST API / GraphQL – Designing and implementing server-side APIs to support frontend data requests. 
- Authentication & Authorization – Technologies like OAuth, JWT, and session management to ensure user security and data protection. 
- Docker / Kubernetes – Containerization and orchestration tools for application deployment and resource management. 
- Cloud Services – Platforms like AWS, Google Cloud, and Microsoft Azure for cloud-based application hosting and operations. 
- Microservices – Architectural style for designing modular and independently deployable services. 
- Message Queues – Tools like RabbitMQ and Kafka for asynchronous communication in distributed systems. 
- Version Control – Systems like Git/GitHub for code management and team collaboration. 
- Performance Optimization – Techniques for improving server and database performance to enhance system efficiency. 
These key concepts form the foundation of a backend engineer’s work and career growth. By continuously gaining experience and developing projects, one can become a more proficient software engineer.