Role : Node.js Backend Engineer

Core Engineering Skills

1. Advanced Node.js Knowledge: Profound understanding of Node.js internals, including event loop, non-blocking I/O, module system. Experience in customizing and optimizing Node.js environment.
2. Golang
3. Software Design and Architecture: Strong grasp of software design patterns, architectural patterns, and principles with a focus on Node.js and TypeScript. Ability to design scalable, maintainable, and efficient systems in a Node.js environment.
4. Performance Optimization: Skills in profiling and optimizing Node.js applications, understanding V8 Engine internals, event loop, memory management, and asynchronous programming.
5. Orchestration and Coordination in Event-Driven Architecture: Expertise in orchestrating and coordinating complex workflows in a Node.js environment. Profound understanding of event-driven architecture, including event sourcing and Command Query Responsibility Segregation (CQRS) patterns. Familiarity with orchestrating microservices and handling inter-service communication effectively. Ability to design and implement robust and scalable event-driven systems, leveraging Node.js capabilities for asynchronous operations and event handling.
6. Network Programming: Understanding of network protocols, REST, GraphQL, and experience in developing network applications in Node.js.

Advanced Technical Skills

1. Security: Advanced knowledge in application security principles, with emphasis on web applications and APIs in a Node.js environment.
2. Observability and Monitoring: Implementing application monitoring, logging, and tracing in Node.js for efficient debugging and performance monitoring.

Data Structure Proficiency

1. Understanding of Core Data Structures: In-depth knowledge of fundamental data structures with emphasis on JavaScript/TypeScript implementations.
2. Algorithmic Complexity: Ability to analyze and understand the time and space complexity of algorithms in a JavaScript/TypeScript context.
3. Application of Data Structures: Demonstrated ability to apply appropriate data structures in a Node.js environment to solve specific problems, especially in fintech.
4. Advanced Structures and Algorithms: Knowledge of advanced data structures and understanding of algorithms tailored for JavaScript/TypeScript.

Nice to Technical Skills

1. Experience with GraphQL: Proficiency in building and consuming GraphQL APIs in a Node.js environment.
2. Experience with PostgreSQL: Familiarity with integrating and managing PostgreSQL databases with Node.js.

Nice to have Domain Specific Knowledge

1. Experience in the banking or fintech sectors
2. Understanding of the Wealth and Financial space

whiteboarding exercise

floating-point arithmetic