SDET Roles and Responsibilities: Making Sense of this Professional Position

SDET Roles

The phases and tasks that make up the software development lifecycle have to be carried out by certain employees. Because of the demand to provide continuous deployment and delivery, each phase was maintained separately from the others under the typical approach to software development.

The borders between the testing and development stages eventually got to be blurred due to the growth of the integrated and interconnected approach. This is why the need for specialists with experience in both testing and development sees its high rise these days. Manual testing courses are the best way to expand your expertise as a coder and get into the SDET position.

What is SDET?

A person who possesses both the knowledge and abilities of a developer and a tester is known as an SDET, or Software Development Engineer in Test.

This personnel participates in the development and testing stages of the software development lifecycle as a result of their ability to write and test programs.

Essentially, SDETs are IT experts skilled in both QA and software development.

SDET roles and responsibilities

The work of SDETs includes areas of the user interface, product, and data design.

SDETs should be skilled in automating testing, establishing test automation frameworks, selecting the appropriate test automation products, creating appropriate test cases, and executing all of this across a variety of application platforms.

SDETs aim to comprehend a product’s needs from the users’ point of view. In a nutshell, they serve as customer representatives.

Every Software Development Engineer in Test has coding skills that enable them to create automated test scripts, which facilitate the execution of various tests throughout the development phase.

SDETs design high-quality and reliable automated testing solutions for different types of testing. As a result, they are expected to have extraordinary QA abilities.

For Senior SDET

There are numerous Senior SDET responsibilities. They can actively participate in creating different types of automated tests while working on a software integration. SDETs accomplish this using open-source test automation technologies.

Here’s an overview of the responsibilities for the Senior SDET position:

  • creating automated test cases, running tests, and analyzing and diagnosing errors that are found;
  • collaboration with the development team to determine the needs for testing.
  • proficiency in running tests for sophisticated online, API, and mobile apps;
  • being in charge of ensuring the system’s overall quality;
  • helping with security and performance testing, API testing, unit testing, and functional automation.

In addition to identifying and detecting issues, they also assist in their replication, solution, and reporting.


QA staff are more specifically trained for manual testing using written testing plans, as opposed to SDETs, which are focused on developing scripts for automated testing.

Keep in mind that SDET produces automation frameworks that QA professionals frequently employ to write tests within them.

Given the breadth of the SDETs’ skill set, which includes programming and software testing, they act as a sort of tech lead for the whole Quality Assurance team.

While QA staff are often skilled in conventional testing techniques, SDETs are more skilled in technical programming.

For SDET Lead

SDET leaders organize meetings to discuss software requirements and do functional analysis on design concepts.

They also participate in the development of APIs, looking for gaps in standard compliance, defining services, and managing service lifecycles.

SDETs in this position are skilled at utilizing Jira and other collaborative development platforms. SDET Leads are required to constantly be alert, to work under pressure, to produce work on time, and to meet obligations.

They play a crucial role in allocating tasks and duties, as well as in fostering teamwork. Lower-level engineering staff is mentored and guided by SDET Lead, who also offers them constructive feedback and expert support.

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