Senior Backend Engineer

A Senior Backend Engineer has a deep understanding of preferred technologies like Node.js and its modules, with extensive experience in asynchronous programming, event -driven architecture, and handling complex I/O operations.

They demonstrate high proficiency in designing and optimizing databases (both SQL and NoSQL), including advanced query writing.

Their expertise includes architecting scalable, fault - tolerant systems, with deep knowledge of performance tuning and code optimization.

Senior Backend Engineers are experienced in system architecture, including designing and implementing microservices and complex API architectures.

They contribute to code reviews, providing feedback where required, and mentor junior developers to help them understand complex concepts and improve coding practices.

A Backend Engineer is familiar with basic architectural patterns, such as REST APIs, and has some understanding of complex architectures, though typically requires assistance for implementation.

They may lack experience in high-level system design decision-making.

They possess a solid foundation in Node.js, with knowledge of common modules and libraries, along with intermediate database knowledge.

This includes the ability to write basic queries, perform CRUD operations, and create basic schemas.

They are capable of supporting testing frameworks like Jest and can write unit tests and integration tests with solid coverage