Software Developer Engineer in Test (SDET)

Expleo; Johannesburg; On-site; ZAR 700,000 - 900,000; Full time

Job summary

Expleo in Johannesburg is seeking a Software Developer Engineer in Test (SDET) to design and maintain automated testing frameworks. This role offers a chance to collaborate with developers and QA engineers, write clean code, and generate detailed reports. Candidates should have a Bachelor’s in Computer Science and a minimum of 6 years of automation testing experience with strong proficiency in Java, Selenium, and related tools. The position is hybrid, combining office and remote work.

Qualifications

• Minimum 6 years of automation testing experience.
• Proficiency in Java, Selenium, TestNG, GIT, and Hibernate.
• Hands-on experience with API automation using RestAssured or HTTPClient.
• Solid understanding of SQL and database validation.
• Familiarity with Docker and containerized environments.
• Experience with CI/CD pipelines.
• Proven ability to independently create and maintain automation frameworks.

Responsibilities

• Design, develop, and maintain automated test scripts.
• Write clean code and participate in peer reviews.
• Build and enhance test automation frameworks.
• Detect and document software defects.
• Collaborate with stakeholders to understand requirements.
• Generate detailed test reports.

Skills

Automation testing experience

Java

Selenium

TestNG

GIT

Hibernate

API automation

SQL

Docker

CI/CD pipelines

Communication skills

Collaboration skills

Education

Bachelor’s Degree in Computer Science

ISTQB Qualification

Tools

RestAssured

HTTPClient

Docker

JMeter

Appium

Playwright

Healenium

Python

Job description

Overview

Expleo South Africa is where bold ideas meet real-world impact. As a global leader in engineering, quality services, and management consulting, we help businesses accelerate digital transformation and shape the future. Joining Expleo means more than just a job — it’s an opportunity to grow, innovate, and collaborate on projects that redefine industries. From smart factories and next-generation banking to cutting-edge digital solutions, you’ll tackle complex challenges alongside inspiring colleagues. At Expleo, your career isn’t just developed — it’s turbo-charged. Together, let’s push boundaries and change the game.

We are seeking a Software Developer Engineer in Test (SDET) to join our dynamic team in Johannesburg (Hybrid).

Responsibilities

• Automated Testing: Design, develop, and maintain automated test scripts to validate software functionality and performance.
• Code Review: Write clean, maintainable code and participate in peer reviews to uphold coding standards.
• Test Frameworks: Build and enhance test automation frameworks to improve testing efficiency and coverage.
• Bug Identification: Detect, document, and troubleshoot software defects and inconsistencies.
• Collaboration: Partner with developers, product managers, and QA engineers to understand requirements and deliver effective test solutions.
• Reporting: Generate detailed test reports and provide actionable insights to improve product quality.
• Mentorship: Support and mentor team members in automation best practices and tools.

Qualifications

• Bachelor’s Degree in Computer Science, Information Systemsor other related field, or equivalent work experience
• ISTQB Qualification is essential.

Essential skills

• Minimum 6 years of automation testing experience
• Strong proficiency in Java, Selenium, TestNG, GIT, and Hibernate
• Hands‑on experience with API automation using RestAssured or HTTPClient
• Solid understanding of SQL and database validation
• Familiarity with Docker and containerized environments
• Experience with CI/CD pipelines
• Proven ability to independently create and maintain automation frameworks
• Excellent communication and collaboration skills

Desired skills

• Experience with Performance Testing using JMeter
• Exposure to automation tools like Appium, Playwright, or Healenium
• Working knowledge of Python
• Familiarity with AI‑based testing tools (e.g., Browser Use)