Essential Java Skills for SDET Automation Engineer

Good understanding of Core Java is helpful. Important concepts in core java are: Inheritance, OOPS, Collections, Exception handling, etc. Ability to write small framework for testing from scratch using Core Java.

Working knowledge of python is helpful. Python is interesting language with lot of libraries available for day to day automation work. Python is also helps for DevOps skill.

Basic understanding of Algorithms & DS (Sorting, Searching, Recursion, Dynamic Programming, Hash table and List etc.)

Knowledge of HTTP, REST, microservices architecture, API Testing, OAuth2 protocol, etc. Tools and techniques for API testing.

Knowledge of Test Libraries for Unit, Acceptance and End To End Testing for e.g. JUNIT, TestNG, Hemcrest, Cucumber, Selenium and Rest Assured for REST API testing.

Basic Knowledge of RDBMS concepts - SQL, different types of joins, indexes, query optimization, etc.

Linux Shell Programming, unix commands, piping of commands, process management, systemd services, etc.

Familiarity with open source build automation tools like Maven and Gradle that can build almost any type of software.

Knowledge of at-least one build tool- Travis CI, Jenkins CI, Teamcity, etc. ability to setup a build pipeline on Jenkins. + https://travis-ci.org

Familiarity with containerization tools & framework like Docker, Vagrant, etc.

Puzzles and Quantitative aptitude