Software Development Engineer In Test

FULLSTACK RECRUITMENT LIMITED; City Of London; Hybrid; GBP 80,000 - 120,000; Full time

Job summary

A leading technology company in London is seeking a Software Development Engineer in Test (SDET) to enhance their QA capabilities. The role involves designing automated test frameworks, collaborating with cross-functional teams, and ensuring software quality and reliability. Ideal candidates will have strong programming skills in JavaScript and Python, along with experience in test automation tools.

Qualifications

• 3+ years of experience in a similar SDET or test automation role.
• Strong programming skills in JavaScript & Python.
• Experience with test automation tools like Selenium, Cypress, Playwright, or Appium.

Responsibilities

• Design, develop, and maintain robust, scalable automated test frameworks.
• Create and execute automated tests to validate application functionality.
• Integrate automated tests into CI/CD pipelines.

Skills

JavaScript

Python

Test Automation

Problem Solving

Collaboration

Tools

Selenium

Cypress

Playwright

Appium

Postman

REST Assured

Jenkins

GitLab CI

GitHub Actions

Cucumber

SpecFlow

Job description

Job Title:Software Development Engineer in Test (SDET)
Salary:up to £120k
Location:London, UK (Hybrid – 4 days in office, 1 day remote)
Employment Type:Full-time

About Us:
We're a forward-thinking technology company based in the heart of London, building a new & never been done before innovative platform in the Logistics space. Our engineering team thrives on collaboration, innovation, and delivering high-quality software solutions. We're now looking for a passionate SDET to strengthen our QA capabilities and support our growth.

About the Role:
As an SDET, you’ll play a critical role in ensuring the quality and reliability of our software products. You will work closely with developers, product managers, and QA engineers to design, build, and maintain automated test frameworks and tools. Your contributions will directly influence the velocity and confidence of our software delivery.

Key Responsibilities:

• Design, develop, and maintain robust, scalable automated test frameworks (UI, API, and integration)
• Create and execute automated tests to validate application functionality, performance, and reliability
• Collaborate with cross-functional teams to identify test requirements and improve test coverage
• Integrate automated tests into CI/CD pipelines
• Conduct code reviews and mentor developers on best testing practices
• Investigate and troubleshoot test failures and support defect resolution
• Contribute to the continuous improvement of QA processes, tools, and methodologies

Requirements:

• 3+ years of experience in a similar SDET or test automation role
• Strong programming skills in JavaScript & Python
• Experience with test automation tools like Selenium, Cypress, Playwright, or Appium
• Solid understanding of RESTful APIs and tools like Postman or REST Assured
• Experience with CI/CD tools (e.g., Jenkins, GitLab CI, GitHub Actions)
• Familiarity with BDD frameworks like Cucumber or SpecFlow is a plus
• Strong understanding of software testing principles and methodologies
• Excellent problem-solving skills and attention to detail
• Strong communication skills and the ability to collaborate effectively with diverse teams

Nice to Have:

• Experience in performance testing (e.g., JMeter, Gatling)
• Knowledge of containerisation (Docker) and cloud platforms (AWS, Azure, GCP)
• Exposure to security testing tools and practices

Work Environment:

• Modern central London office (Zone 1)
• Hybrid working model: 4 days in-office, 1 day remote per week
• Collaborative and inclusive team culture