Systems Engineer III

About the role

Systems Engineer III - Big Data Testing

You will be responsible for

• Collaborate with product managers and developers to understand product requirements and contribute to solution design.
• Validate data sources, transformation logic, and data persistence in target systems.
• Develop and execute robust, data-centric test plans aligned with organizational goals.
• Design and implement scalable automation frameworks for data platforms, supporting a wide range of onboarded applications.
• Author detailed functional, integration, and regression test cases.
• Coordinate with stakeholders to review test plans, identify gaps, and ensure coverage of complex scenarios.
• Generate accurate and representative test data to simulate real-world platform operations.
• Work cross-functionally with engineering teams to ensure end-to-end test coverage and automation.
• Analyze server logs, databases, and other system components to provide detailed bug reports.
• Write and optimize SQL queries for test data extraction and validation.
• Design and enhance test automation frameworks to support evolving platform requirements.
• Track and report comprehensive quality metrics, including defect density, open and closed defect counts, test coverage, test execution pass/fail rates, mean time to detect (MTTD), mean time to resolve (MTTR), requirements coverage, and automation effectiveness.
• Develop mocks and stubs to facilitate isolated component testing.

You will need

• Minimum of 12 years of experience in Quality Engineering, with a strong focus on data platform testing and validation.
• Experience working in retail domain
• In-depth understanding of software QA methodologies, testing strategies, tools, and best practices.
• Proven ability to design and implement comprehensive test plans and automation strategies tailored to data-centric platforms.
• Strong hands-on experience in Python for scripting and developing test automation frameworks.
• Proficient in Microsoft Azure ecosystem, including services such as Azure Storage, Azure Databricks, Azure Data Factory, Azure SQL Database, and other SQL-based services.
• Strong understanding of data pipelines, ETL processes, and data warehousing concepts.
• Expertise in automation tools, scripting languages, and workflow orchestration platforms.
• Experience working in Linux/Unix environments for test execution and automation.
• Solid knowledge of SQL and NoSQL databases, as well as pub-sub messaging technologies (e.g., Kafka, Azure Event Hubs).
• Experience working in Agile/Scrum environments, with active participation in sprint planning, reviews, and retrospectives.
• Strong problem-solving abilities with a keen eye for troubleshooting and debugging complex data and integration issues.
• Demonstrated experience in large-scale integration programs, including third-party system/component integration.
• Excellent verbal and written communication skills, with the ability to articulate technical concepts to both technical and non-technical stakeholders.

Whats in it for you?

At Tesco, we are committed to providing the best for you.

As a result, our colleagues enjoy a unique, differentiated, market- competitive reward package, based on the current industry practices, for all the work they put into serving our customers, communities and planet a little better every day.

Our Tesco Rewards framework consists of pillars - Fixed Pay, Incentives, and Benefits.

Total Rewards offered at Tesco is determined by four principles -simple, fair, competitive, and sustainable.

Salary - Your fixed pay is the guaranteed pay as per your contract of employment.

Leave & Time-off - Colleagues are entitled to 30 days of leave (18 days of Earned Leave, 12 days of Casual/Sick Leave) and 10 national and festival holidays, as per the company's policy.

Making Retirement Tension-FreeSalary - In addition to Statutory retirement beneets, Tesco enables colleagues to participate in voluntary programmes like NPS and VPF.

Health is Wealth - Tesco promotes programmes that support a culture of health and wellness including insurance for colleagues and their family. Our medical insurance provides coverage for dependents including parents or in-laws.

Mental Wellbeing - We offer mental health support through self-help tools, community groups, ally networks, face-to-face counselling, and more for both colleagues and dependents.

Financial Wellbeing - Through our financial literacy partner, we offer one-to-one financial coaching at discounted rates, as well as salary advances on earned wages upon request.

Save As You Earn (SAYE) - Our SAYE programme allows colleagues to transition from being employees to Tesco shareholders through a structured 3-year savings plan.

Physical Wellbeing - Our green campus promotes physical wellbeing with facilities that include a cricket pitch, football field, badminton and volleyball courts, along with indoor games, encouraging a healthier lifestyle.

About Us

Tesco in Bengaluru is a multi-disciplinary team serving our customers, communities, and planet a little better every day across markets. Our goal is to create a sustainable competitive advantage for Tesco by standardising processes, delivering cost savings, enabling agility through technological solutions, and empowering our colleagues to do even more for our customers. With cross-functional expertise, a wide network of teams, and strong governance, we reduce complexity, thereby offering high-quality services for our customers.

Tesco in Bengaluru, established in 2004 to enable standardisation and build centralised capabilities and competencies, makes the experience better for our millions of customers worldwide and simpler for over 3,30,000 colleagues

Tesco Technology

Today, our Technology team consists of over 5,000 experts spread across the UK, Poland, Hungary, the Czech Republic, and India. In India, our Technology division includes teams dedicated to Engineering, Product, Programme, Service Desk and Operations, Systems Engineering, Security & Capability, Data Science, and other roles.

At Tesco, our retail platform comprises a wide array of capabilities, value propositions, and products, essential for crafting exceptional retail experiences for our customers and colleagues across all channels and markets. This platform encompasses all aspects of our operations – from identifying and authenticating customers, managing products, pricing, promoting, enabling customers to discover products, facilitating payment, and ensuring delivery. By developing a comprehensive Retail Platform, we ensure that as customer touchpoints and devices evolve, we can consistently deliver seamless experiences. This adaptability allows us to respond flexibly without the need to overhaul our technology, thanks to the creation of capabilities we have built.