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- Tasks: Join us as an ETL Tester, ensuring data quality and integrity through rigorous testing.
- Company: Be part of a dynamic team in the heart of London, driving innovation in data analytics.
- Benefits: Enjoy competitive pay, flexible working arrangements, and opportunities for professional growth.
- Why this job: This role offers hands-on experience with cutting-edge technology and a chance to make a real impact.
- Qualifications: 4+ years in data warehouse or ETL testing; degree in a quantitative field preferred.
- Other info: Ideal for self-starters who thrive in Agile environments and love tackling complex challenges.
The predicted salary is between 55000 - 77000 £ per year.
Rate: £275/day inside IR35
Requirements:
- 4+ years of experience as a Data Warehouse Developer Tester or ETL Tester
- Graduate degree preferred in Computer Science, Statistics, Informatics, Information Systems or another quantitative field
- Expert in understanding and implementing QA/Testing Lifecycle
- Expertise in DB-related testing and ETL testing
- Testing experience with reporting and BI tools
- Writing basic SQLs to check record counts, data truncation, invalid data types, NULLs and data integrity, data transformation, aggregate functions testing
- Expertise preferred in testing our current or a similar analytics stack
- Experience in transforming complex Business logic into SQL or PL/SQL queries
- Must be a self-starter with the ability to work on complex projects and analyse business requirements independently
- Must be able to identify and document testing issues and quality risks, participate in defect remediation
- Willingness to follow Agile Testing practices and guidelines, including Defect Management
- Actively participate in all test management activities like assessment, test strategies and test plans
- Knowledge of Database objects and relational data model
- Experience in scripting
- Test automation experience is a huge plus
- Understanding of ETL requirements (source-to-target mappings)
- Testing experience with different file types
Contact Detail:
Vallum Associates Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land ETL Tester (City of London)
✨Tip Number 1
Familiarise yourself with the specific ETL tools and technologies that are commonly used in the industry. Being able to discuss your hands-on experience with these tools during interviews can set you apart from other candidates.
✨Tip Number 2
Brush up on your SQL skills, especially focusing on writing complex queries. Practising real-world scenarios where you check for data integrity and transformation will help you demonstrate your expertise effectively.
✨Tip Number 3
Showcase your understanding of Agile methodologies. Be prepared to discuss how you've applied Agile practices in previous roles, particularly in relation to defect management and test strategies.
✨Tip Number 4
Network with professionals in the data testing field. Attend meetups or webinars related to ETL testing and data warehousing to gain insights and potentially get referrals that could lead to job opportunities.
We think you need these skills to ace ETL Tester (City of London)
Some tips for your application 🫡
Tailor Your CV: Make sure your CV highlights your experience as a Data Warehouse Developer Tester or ETL Tester. Emphasise your expertise in QA/Testing Lifecycle and any relevant projects you've worked on that align with the job description.
Showcase Technical Skills: Clearly outline your technical skills, especially in DB-related testing, SQL, and ETL testing. Provide examples of how you've transformed complex business logic into SQL or PL/SQL queries in previous roles.
Write a Compelling Cover Letter: In your cover letter, express your enthusiasm for the role and the company. Mention your willingness to follow Agile Testing practices and how your self-starter attitude has helped you succeed in past projects.
Highlight Relevant Experience: Detail your experience with reporting and BI tools, as well as any test automation experience. If you've worked with different file types or have knowledge of database objects, make sure to include that information.
How to prepare for a job interview at Vallum Associates
✨Showcase Your Technical Skills
Be prepared to discuss your experience with ETL testing and data warehouse development. Highlight specific projects where you implemented QA/testing lifecycles and how you tackled challenges related to data integrity and transformation.
✨Demonstrate SQL Proficiency
Since writing basic SQLs is crucial for this role, be ready to explain your approach to checking record counts, handling NULLs, and ensuring data quality. You might even be asked to write a simple query during the interview, so brush up on your SQL skills!
✨Understand Agile Methodologies
Familiarise yourself with Agile Testing practices, as this role requires adherence to these guidelines. Be prepared to discuss your experience in defect management and how you've contributed to test strategies in previous roles.
✨Prepare for Scenario-Based Questions
Expect questions that assess your problem-solving abilities, especially regarding complex business logic and testing issues. Think of examples from your past work where you identified risks or documented testing issues effectively.
