INVESTIGO

Mission freelance Tester – Talend Migration Programme – Inside IR35

Angleterre

INVESTIGO

Le poste

Freelance
Dès que possible
2 à 5 ans d’expérience
Angleterre, Royaume-Uni
Publiée le 27/04/2026

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Tester – Talend Migration Programme – Inside IR35
 
Candidates must hold active SC (Security Check) clearance. Applications without current SC clearance cannot be considered for this role. Please do not apply if your clearance has lapsed or is pending renewal.
 
We are building a specialist project team to deliver a large-scale Talend data migration programme. As part of this team, you will play a critical role in ensuring data integrity, pipeline accuracy, and business confidence throughout the migration lifecycle.
 
I am looking for three experienced Data Migration Testers to join immediately, working alongside six Talend Data Engineers and a Delivery Lead. This is a hands-on, technically focused testing role with high visibility across the programme.
 
This is an initial 6-month contract engaged inside IR35, with strong potential for extension subject to programme requirements. Candidates should be available to start within 2–4 weeks.
 
Key Responsibilities:
  • Design and execute data validation test cases across source and target systems
  • Perform ETL pipeline testing to verify transformation logic and data flows
  • Conduct reconciliation and row-count validation between environments
  • Carry out regression testing to confirm existing business logic is preserved
  • Support and coordinate UAT with business stakeholders
  • Raise, track, and retest defects through to resolution
  • Produce clear test evidence and reporting for the Delivery Lead
 
Requirements:
  • Active SC clearance — mandatory, no exceptions
  • Proven experience in data migration or ETL testing
  • Strong SQL skills — able to write complex validation queries independently
  • Experience testing data pipelines and transformation rules
  • Familiarity with defect management tools (Jira, Azure DevOps etc.)
  • Ability to interpret technical documentation and data mappings
  • Clear written communication for test reporting
 
Please make an application if you feel this position may be relevant.
Londres, Angleterre, Royaume-Uni
250 - 999 salariés
Cabinet de recrutement / placement
With a team of over 230+ experienced consultants and offices in London, Amsterdam, Guildford, Milton Keynes, St Albans, New York and Philadelphia. Investigo offer Executive, Interim and Permanent recruitment solutions to a diverse range of blue chip companies and SMEs. Our current areas of specialisation include: Accountancy and Finance BI and Data Analytics Business Change and Transformation Financial Crime, Risk and Compliance Human Resources and Talent Management Pharma and Life Sciences Procurement Property, Facilities and Workplace Public Sector Consulting SAP Strategy Consulting Technology Our Purpose We believe that what we do can make a difference for the benefit of our candidates, our clients and our people. In the world of recruitment our purpose is to make a difference. Our Mission To create a brand synonymous with the sourcing of both interim and permanent talent in the professional services arena To be a market leader in each one of our chosen specialisms by 2022 For us to provide a platform where you can realise your true potential To provide a reward scheme which recognises high performance and over achievement For Culture, Reward and Progression to be at the heart of everything we do Our Values The values which define us include: Expertise - we add value by asking the right questions, sharing market insights and offering expert advice Passion - we genuinely love what we do and have fun doing it Integrity - we always do what we think is right and we are committed to being open and honest in all of our dealings Inclusivity - we value and empower the diverse contributions everybody makes We look forward to working with you.

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Tester – Talend Migration Programme – Inside IR35

INVESTIGO

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