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Python Test Engineer
£63,000 - 84,000
Cognizant
Hatfields, South East London
£63,000 - 84,000
Requirements
Must:
- I hold a Bachelor's or Master's degree in Computer Science, Engineering, or a related technical field.
- I have extensive years of hands-on software development experience, specifically in large-scale backend systems or platform engineering.
- I am an expert in Python and possess a strong understanding of object-oriented programming, testing frameworks, and automation libraries, including Pytest and Playwright.
- I have experience building or validating platform infrastructure, with hands-on knowledge of CI/CD systems, such as GitHub Actions or Jenkins.
- I possess solid experience with AWS services, including Lambda, S3, ECS/EKS, Step Functions, and CloudWatch.
- I am proficient in Infrastructure as Code using Terraform to manage and provision cloud infrastructure.
- I have a strong understanding of software engineering best practices, including code quality, reliability, performance optimization, and observability.
Responsibilities
- I will design and build high-performance tools and services to validate the reliability, performance, and correctness of ML data pipelines and AI infrastructure.
- I will develop platform-level test solutions and automation frameworks using Python, Terraform, and modern cloud-native practices.
- I will contribute to our platforms CI/CD pipeline by integrating automated testing, resilience checks, and observability hooks at every stage.
- I will lead initiatives that drive testability, platform resilience, and validation as code across all layers of the ML platform stack.
- I will collaborate with engineering, MLOps, and infrastructure teams to embed quality engineering deeply into platform components.
- I will build reusable components that support scalability, modularity, and self-service quality tooling.
- I will mentor junior engineers and influence technical standards across the Test Engineering Program.
Description
We are building an enterprise-grade AI/ML Data Platform that enables scalable, secure, and responsible machine learning across our organization. We are seeking a Lead Software Engineer with a strong background in software development and platform engineering to help drive the Test Engineering Program. This is a strategic initiative focused on building robust, intelligent validation frameworks and infrastructure that power our ML and data products. This role is embedded in quality and reliability initiatives. If you are passionate about platform quality, CI/CD excellence, infrastructure-as-code, and bringing engineering rigor to validation, this is your opportunity to make a major impact.
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You can find QA, Test Engineer salaries in the UK here.
How many QA, Test Engineer jobs are in the UK?
Currently, there are 2707 QA, Test openings. Check also: Selenium jobs, Cypress jobs, Cucumber jobs - all with salary brackets.
Is the UK a good place for QA, Test Engineers?
The UK is one of the best countries to work as a QA, Test Engineer. It has a vibrant startup community, growing tech hubs and, most important: lots of interesting jobs for people who work in tech.
Which companies are hiring for QA, Test Engineer jobs in the UK?
BAE Systems, BTL IT Solutions Ltd., British Heart Foundation, Gelt Inc, Direct Online Services, PayItMonthly Ltd, OfficeXpress Europe Limited among others, are currently hiring for QA, Test roles in the UK.
The company with most openings is Experis as they are hiring for 76 different QA, Test Engineer jobs in the UK. They are probably quite committed to find good QA, Test Engineers.
The company with most openings is Experis as they are hiring for 76 different QA, Test Engineer jobs in the UK. They are probably quite committed to find good QA, Test Engineers.