TEKsystems Interview Questions, Process, and Tips

As a Sr. Tech Lead, I oversee project development, guide teams, and ensure technical excellence in solutions.

• Lead a team of developers, providing mentorship and guidance on best practices.

• Architect and design scalable software solutions, such as a microservices architecture for a large e-commerce platform.

• Collaborate with cross-functional teams, including product management and QA, to define project requirements and ti...read more

Design and code a REST API for a software developer interview.

• Define the endpoints and HTTP methods for the API (e.g. GET /users, POST /users)

• Implement authentication and authorization mechanisms (e.g. JWT tokens)

• Use proper status codes for responses (e.g. 200 OK, 401 Unauthorized)

• Include error handling and validation for input data

• Document the API using tools like Swagger or OpenAPI

Calculate word frequency using Stream API and lambda expressions

• Use Stream API to convert array of strings to stream

• Use Collectors.groupingBy to group words by their frequency

• Use Collectors.counting to count the occurrences of each word

As a Site Reliability Engineer, my day to day work involves monitoring system performance, troubleshooting issues, automating tasks, and collaborating with other teams.

• Monitoring system performance using tools like Prometheus and Grafana

• Troubleshooting issues related to infrastructure, networking, and applications

• Automating tasks using scripting languages like Python or configuration management tools like Ansible

• Collab...read more

Multithreading is used to improve performance by executing multiple tasks concurrently. Choose it when tasks can run independently.

• Use multithreading when tasks can be divided into independent subtasks that can run concurrently

• Choose multithreading for tasks that involve I/O operations, such as reading/writing files or network communication

• Consider multithreading for tasks that require parallel processing, such as imag