UKG Principal Software Engineer Interview Questions, Process, and Tips

Linked list is a data structure where each element points to the next element in the sequence.

• Nodes contain data and a reference to the next node

• Operations include insertion, deletion, and traversal

• Example: Singly linked list, Doubly linked list

UKG is a leading provider of HR, payroll, and workforce management solutions.

• UKG stands for Ultimate Kronos Group, formed by the merger of Kronos Incorporated and Ultimate Software.

• They offer cloud-based human capital management software for HR, payroll, and workforce management.

• Their solutions help organizations streamline processes, improve employee engagement, and drive better business outcomes.

Current project application architecture is microservices-based with containerization using Docker and orchestration with Kubernetes.

• Microservices architecture for scalability and flexibility

• Containerization with Docker for easy deployment and management

• Orchestration with Kubernetes for automated scaling and load balancing

OAuth is an authorization framework that allows third-party applications to obtain limited access to a user's data without exposing their credentials. JWT is a compact, self-contained way for securely transmitting information between parties as a JSON object.

• OAuth allows users to grant access to their resources without sharing their credentials directly.

• JWT is a token format that can be used for securely transmitting i...read more

Web API implementation using RESTful architecture with MVC pattern.

• Use RESTful principles for designing API endpoints

• Implement controllers to handle incoming requests and return responses

• Leverage MVC pattern for separating concerns and improving maintainability

• Utilize DTOs (Data Transfer Objects) for transferring data between layers

• Implement authentication and authorization mechanisms for secure access