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Mastek

Senior Test Engineer

On site

Leeds, United kingdom

Senior

Full Time

10-12-2025

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Skills

Communication JavaScript TypeScript Jira SQL GitHub GitLab CI/CD Version Control Jenkins Test Quality Assurance Test Automation Defect Management Security Testing Kanban Scrum Regression AWS software testing api testing Postman Agile SDLC Junit Gitlab CI GitHub Actions

Job Specifications

Sr. Test Engineer

Location: Leeds, UK - 3 Day Travel to Office is Mandatory

NO SC Requirement.

Immediate Joiners Preferred

Job Description:

Tester 5/10 years of exhaustive experience as a tester or senior tester with the following skills and experience. Must have growth mindset, good communication and a team player.
API Testing & RESTful API Knowledge: Designing/executing API tests using Postman, Playwright, Cypress; deep understanding of RESTful APIs (request/response, status codes, authentication). Experience with Test Automation Tools: Skilled in frameworks like Playwright, Cypress, Gherkin, JUnit; scripting in JavaScript, TypeScript, setting up and maintaining automation infrastructure. Strong understanding of software testing principles and methodologies: Includes knowledge of SDLC, STLC, Agile, and various testing types (functional, regression, integration, unit, system).
Test Case Management: Proficient in designing test cases, executing tests, identifying defects, and verifying fixes.
Knowledge of agile practices: Understanding of agile principles and experience working in an agile team (e.g., Scrum, Kanban), along with ability to collaborate closely with developers, product owners, and other team members to clarify requirements and ensure high-quality software delivery within iterative development cycles.
AWS Familiarity: Experience with AWS services (S3, Lambda, EC2, CloudWatch) in test environments.
SQL Expertise: Validating data and back-end testing using SQL; writing complex queries for functional/integration testing.
Defect Management: Tracking, prioritizing, reporting bugs, and root cause analysis.
Quality Assurance: Promoting quality standards and contributing to a culture of quality across teams.
Collaboration Tools: Familiar with GitHub (version control) and Jira (collaboration).
CI/CD Integration: Integrating automated tests into pipelines (GitHub Actions, Jenkins, GitLab CI).
Performance/Security Testing (optional): Exposure to JMeter or any other security testing tools.

About the Company

Mastek is an enterprise digital and cloud transformation partner that engineers excellence for customers in industries such as healthcare and life sciences, retail & consumer, manufacturing, financial services, and public sector across 40 countries, including the UK, US, Europe, the Middle East, and Asia Pacific. Mastek helps enterprises decomplex digital and delivers business outcomes with trust, value, and velocity across the spectrum of services including digital experience & engineering, cloud implementations, data, auto... Know more