Senior QA Engineer (Data Platform) Job at DOCOMO Digital (Cambridge)

Senior QA Engineer (Data Platform)

DOCOMO Digital

Location:
United Kingdom , Cambridge

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Not provided

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Job Description:

At Bango, our Data Platform is central to how teams discover, understand, and unlock value from our data at scale. The Senior QA Engineer for the Data Platform plays a critical role in ensuring this platform is trusted, reliable, and built for real-world use. Beyond leading day-to-day QA activities within the team, this role champions data quality across the organisation. This includes defining and embedding data quality standards, driving consistency and compliance across teams, shaping test analysis processes focused on data integrity, and owning the creation, maintenance, and execution of automated test suites.

Job Responsibility:

Act as a critical owner of quality and trust in the Data Platform, recognising its role as a foundational capability for the wider business and ensuring it is reliable, scalable, and fit for real-world use
Proactively driving high quality for data throughout the development process, encouraging a “shift-left” mindset to the team’s way of working and data methodologies
Influence and mentor both your team on best approaches to data quality, designing and implementing data pipeline test tooling
Proactively contribute to and promote both the best practices of the QA team and Bango’s QA strategy
Mentor other engineers in QA best practices and data literacy
Create, maintain, and execute automated tests to support agile software development of data pipelines in line with the automation strategy
Run exploratory tests using a range of test tooling
Analyse upcoming work to create appropriate testing plans
Support the Data Analysis team on large-scale data analyses and data access initiatives
Promote an automation-first and quality-driven development mindset across the teams

Requirements:

Knowledge of ETL processes and tooling, Data Warehouses, and Business Intelligence tooling
Experience with analysis of large datasets and event streaming technologies
Experience with open-source test automation tools (for example, JUnit, Pact, Pytest, etc.)
building automated functional regression test suites
Experience of test automation in programming languages (Python, Java, Golang)
Experience in BDD test approaches
Experience in testing APIs, REST & SOAP Web services
Experience with Postman, Bruno, or similar API testing tools
Good analytical mind – problem solving skills
on your own or brainstorming with colleagues
Good investigatory skills – able to find, outline and fix issues that arise in complex microservice deployments
Strong communication skills, both spoken and written - to talk about your work with both technical and non-technical people
Ability and enthusiasm to learn new technologies and techniques
Working experience in Agile development teams and understanding of development processes and concepts
Experience with development collaboration and tracking tools such as Jira, Confluence
Able to influence and manage internal stakeholders to ensure customer objectives are understood and met
Able to manage your own time and handle multi-task delivery, working to short timescales

Nice to have:

Experience with data visualisation and interpretation tooling
Knowledge of Data Science tooling and processes
Experience of test automation in scripting languages (TypeScript)
Experience in using LLMs to accelerate QA processes, scripting, and tooling
Experience with SQL and NoSQL databases
Good knowledge of CI/CD pipelines using GitLab or similar
Experience of load and performance testing (for example, using JMeter, Gatling, etc.)
Experience in mentoring and training other engineers in quality best practices

What we offer:

A friendly, informal working environment
Your own Bango buddy – to help you settle in
Bendi-time (flexible working hours)
Bango social events
Choose your own headphones, keyboard & mouse
Generous share option scheme
Private Medical Insurance
Health Cash Plan
25 days holiday a year increasing to 28 days with 4 years’ service
Cycle to work, gym discount
Weekly Pilates & Yoga classes (virtual)
Financial support for employee activity groups and charitable activities
Free fruit, drinks and snacks, limitless tea, coffee and good quality espressos
Company branded hoodie… to keep you happy and comfortable
Group personal pension scheme
Life assurance
Employee Assistance Program
1Password
Income Protection
Bango branded Chilly’s bottle and coffee cup

Additional Information:

Job Posted:
February 24, 2026

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