Data Tester Engineer

CDW; Cape Town; On-site; ZAR 600,000 - 900,000; Full time

Job summary

CDW is seeking an Analytics Tester to drive quality across data analytics initiatives, focusing on Power BI reports and dashboards. You will design and execute tests, generate representative data, and work closely with data analysts and developers to ensure accuracy and reliability of insights.

Ideal candidates will have strong BDD experience (Cucumber/SpecFlow), hands-on Power BI testing, and a solid grasp of datasets, SQL, and agile testing practices in a fast-paced environment.

Qualifications

• Proven Analytics Tester experience focused on data analytics testing, especially reports and dashboards.
• Strong knowledge of BDD techniques, tools (Cucumber, SpecFlow) and frameworks.
• Extensive Power BI testing experience including report and dashboard validation.
• Proficiency in dataset generation, SQL querying and data manipulation.
• Experience working in Agile environments (Scrum/Kanban) and testing lifecycles.

Responsibilities

• Develop and execute test plans, cases and scripts for data analytics solutions, focusing on reports and dashboards.
• Define test scenarios and acceptance criteria using BDD with business stakeholders.
• Create realistic datasets to validate accuracy, integrity and performance of analytics solutions.
• Perform end‑to‑end testing of Power BI reports, dashboards and visualizations.
• Collaborate with analysts and developers to identify and troubleshoot data issues.

Skills

BDD

Power BI

Dataset generation

Automation

Scrum

Agile

Dashboards testing

Tools

Cucumber

SpecFlow

Azure DevOps Test Plan

Job description

Bring your IT career and talents to CDW, where you can have a greater impact, be inspired by our mission and excited about your career and future. A Fortune 200 leader, we’re the driven professionals and technology experts companies turn to most to solve their IT challenges.

BACKGROUND

CDW has a mission to become the leading B2B integrated technology solutions provider in the markets that we serve. Enabling, supporting and accelerating our ambitious plans to grow from a £1.35bn business to £5bn by 2025 requires a major programme of transformation; understanding the needs of our customers, partners & coworkers, redefining & optimising our operating models and modernising our business systems.

Responsibilities

CDW UK’s Business Transformation are responsible for driving and accelerating change and transformation across people, process, and systems. Its role is to:

• Provide portfolio management for all change initiatives ensuring they are assessed, prioritised, sequenced and governed to maximise benefit to CDW’s customers and co-workers, supported by robust Change Management
• Support change initiatives with additional resource and skills, from Project Managers to Business Analysts and technical experts
• Own some of the major 70+ business-wide initiatives including Robotic Process Automation, ServiceNow implementation, Process Re-engineering, and ERP replacement.

KEY DUTIES

CDW is undergoing a roll out of our data platform, and we are looking for a highly skilled Analytics Tester with expertise in Behaviour-Driven Development (BDD), Power BI, Dataset Generation, Automation, Scrum and Agile methodologies, and testing reports and dashboards. As an Analytics Tester, you will play a pivotal role in ensuring the quality and accuracy of our data analytics solutions. You will collaborate closely with cross-functional teams, including data analysts, developers, and business stakeholders, to drive effective testing strategies and deliver high-quality insights.

• Develop and execute comprehensive test plans, test cases, and test scripts to validate data analytics solutions, with a specific focus on reports and dashboards.
• Utilize Behaviour-Driven Development (BDD) methodologies to define test scenarios and acceptance criteria in collaboration with business stakeholders.
• Design and generate realistic and representative datasets to validate the accuracy, integrity, and performance of analytics solutions.
• Conduct end-to‑end testing of Power BI reports, dashboards, and visualizations to ensure their functionality, usability, and adherence to business requirements.
• Collaborate with data analysts and developers to identify, isolate, and troubleshoot issues, defects, or anomalies in data analytics workflows.
• Participate in Agile development methodologies, such as Scrum or Kanban, by actively contributing to sprint planning, daily stand-ups, and retrospectives.
• Collaborate with product owners and stakeholders to understand and validate requirements, ensuring that reports and dashboards meet business needs
• Mentor and provide guidance to team members, fostering a culture of knowledge sharing and continuous improvement. Contribute to the development and enhancement of the overall analytics testing strategy, frameworks, and tools.

Knowledge And Experience

• Proven experience as an Analytics Tester or similar role, with a focus on data analytics testing, specifically reports and dashboards.
• Strong proficiency in Behaviour-Driven Development (BDD) techniques, tools (e.g., Cucumber, SpecFlow), and frameworks.
• Extensive hands‑on experience with Power BI testing, including report validation, data validation, and dashboard testing.
• Proficiency in dataset generation techniques, SQL querying, and data manipulation.
• Experience working in Agile development methodologies, such as Scrum or Kanban, with a strong understanding of the testing lifecycle in Agile projects.
• Ability to effectively test, validate, and verify reports and dashboards against business requirements.
• Excellent analytical skills and attention to detail, with the ability to identify data inconsistencies, anomalies, and discrepancies.
• Strong communication and collaboration skills, with the ability to effectively interact with cross-functional teams and stakeholders.
• Proactive mindset, with a passion for continuous learning and staying abreast of the latest trends and advancements in analytics testing.

Advantageous Skills / Experience

• Azure DevOps with Test Plan Experience employing automation tools and frameworks to streamline testing processes and increase efficiency, particularly for regression testing.

PERSONAL ATTRIBUTES

• Self-driven, doesn’t require micromanagement.
• Organised and structured
• Comfortable in fast-paced environments with shifting & ambiguous requirements.
• Passionate about both process and technology and the impact they can have on business and our customers.
• Articulate and credible
• Quality and detail orientated.
• Positive attitude and influence on others
• Fast learner and able to adapt to new technology and keep abreast of current industry trends and practice.
• Excellent communicator in all forms to key stakeholders
• Excellent organisation and time management skills

Who We Are

CDW is a leading technology solutions provider to business, government, education and healthcare organizations across the globe. Our fingerprints can be found on technology in workplaces of more than 250,000 companies; from fresh‑faced start‑ups to international conglomerates. With the breadth of products and services we offer, there is no request too big or too small.

What you can expect from us: Culture, coworkers, careers.

CDW is not only the People Who Get IT but the People who get People. Our relationships are fueled by our deep expertise and grounded in the CDW Way. Our empowering leadership makes things happen and inspires their teams to do the same. From the teammates beside us to the leaders who guide us, we move forward together. At CDW, you’ll work with people who inspire you. People with positive, success‑driven attitudes who you will learn from and forge strong relationships with. Bring your best true self—and your best ideas—to CDW. Because diverse perspectives bring forth better problem solving—and better solutions for our customers on a rapidly evolving technology landscape.