Senior SEiT

Liberty Global; Bradford; Hybrid; GBP 55,000 - 75,000; Full time

Job summary

Liberty Blume, une entreprise de services en pleine croissance sous Liberty Global, recherche un Ingénieur Logiciel Senior en Test pour définir et appliquer des solutions de test automatisées. Ce poste hybride exige une expertise en Python et en bases de données relationnelles. Bénéficiez d'un environnement dynamique avec des opportunités de développement professionnel et de nombreux avantages, dans un cadre collaboratif propice à l'innovation.

Benefits

Competitive salary + Bonus

25 days annual leave with the option to purchase 5 more

Access to wellbeing and mental health benefits such as the Calm app

Matched pension contribution up to 10%

Access to our online learning platform

Qualifications

• Expérience dans la conception et la mise en œuvre de solutions de test automatisé pour des applications web modernes.
• Maîtrise de Python et des bases de données relationnelles comme PostgreSQL.
• Expérience avec des outils CI/CD et de conteneurisation comme Docker.

Responsibilities

• Définir et diriger la stratégie de test de bout en bout pour les applications.
• Sélectionner et maintenir des frameworks de test automatisés.
• Gérer les pipelines de tests CI/CD pour garantir l'exécution des tests automatisés.

Skills

Automated testing solutions

Python

CI/CD practices

Communication

Education

Relevant certifications in software testing or quality assurance (e.g., ISTQB)

Tools

pytest

Selenium/WebDriver

Playwright

Cypress

GitHub Actions

Jenkins

Docker

Locust

JMeter

Google Cloud Platform (GCP)

Job description

We are looking for a Senior Software Engineer in Test to join our Liberty Blume team in Bradford (BD4) initially on a 12month FTC. This hybrid position requires at least two days per week in the office.

As part of our Technology and Product Development team, you’ll take ownership of our automated testing strategy across a modern tech stack that includes a Python-based backend, PostgreSQL databases, and a React frontend. You’ll be responsible for designing, building, and maintaining comprehensive end-to-end test suites that enable fast, reliable releases—minimising the need for manual UAT and helping us accelerate our delivery pipeline.

What will you be doing?

• Define and lead the end-to-end testing strategy for both new and existing applications built on our Python, PostgreSQL, React, and GCP-based tech stack.
• Select, configure and maintain automated testing frameworks (e.g., pytest, Selenium/WebDriver, Playwright, Cypress) that align with our architecture and goals.
• Design and develop robust automated test suites covering API, integration, UI, database, and regression testing scenarios.
• Build and manage CI/CD test pipelines (e.g., GitHub Actions, Jenkins) to ensure automated tests run on every pull request and deployment.
• Collaborate closely with engineers and stakeholders to embed testing early in the development lifecycle and provide rapid feedback loops.
• Create and maintain test plans, acceptance criteria, and traceability matrices to ensure comprehensive coverage and documentation.
• Investigate and resolve test failures or flaky tests, working alongside developers to identify root causes and implement fixes.
• Take full ownership of the testing function as the initial sole tester—planning, executing, and reporting—while laying the groundwork for a scalable testing practice.
• Support and mentor junior engineers or future QA hires as the testing team grows.

We tend to look for people with:

• Proven experience in designing and implementing automated testing solutions for modern web applications.
• Proficient in Python, with the ability to write clean, reusable test libraries and utility functions.
• Familiarity with relational databases (e.g., PostgreSQL), including the ability to create test fixtures and mock data for complex scenarios.
• Knowledgeable in CI/CD practices, with experience integrating automated test suites into build pipelines using tools like GitHub Actions or Jenkins.
• Skilled in defining and executing comprehensive end-to-end testing strategies, covering API, integration, UI, and regression testing.
• Self-starter mindset, comfortable operating as the sole tester—proactive, independent, and capable of establishing testing processes from the ground up.
• Excellent communicator, able to clearly convey testing progress, risks, and outcomes to technical and non-technical stakeholders.
• Prior experience in establishing or scaling a software testing function or team.
• Working knowledge of containerisation tools like Docker to spin up test environments.
• Familiarity with performance and load testing tools, such as Locust or JMeter.
• Exposure to cloud platforms, particularly Google Cloud Platform (GCP).
• Understanding of security testing principles, including best practices outlined by OWASP.
• Relevant certifications in software testing or quality assurance (e.g., ISTQB or equivalent).

What’s in it for you?

• Competitive salary + Bonus.
• 25 days annual leave with the option to purchase 5 more.
• Access to wellbeing and mental health benefits such as the Calm app, personal medical, critical illness cover and dental insurance, plus many more.
• Matched pension contribution up to 10%
• Access to our car benefit scheme
• Access to our online learning platform to continue to develop and grow your career with us
• The chance to join an innovative, fast-paced and passionate team

Who we are:

Liberty Blume, a Liberty Global company, is a rapidly growing business services provider, specialising in tech-enabled back-office solutions. Our mission is to deliver efficiency, scale and value to our customers through Business, Procurement and Financial Solutions. If you’re curious, customer centric and enjoy being one step ahead, join us on our scale up journey and unlock your freedom to grow!

Liberty Global is an equal opportunity employer, committed to an inclusive environment and accommodating all candidates. We’re eager to hear from you, no matter your background.

About the company

Liberty Global is an Anglo-Dutch-American multinational telecommunications company with headquarters in London, Amsterdam and Denver.

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