Data Wrangler (Contract)
  • England,London,City of London
  • Full Time, Contract
  • £750 - £800 per day
Job Description:
London (Hybrid - 2-3 days onsite)£600-£700 per day | Inside IR35
Initial contract until June with strong extension potential
Harnham are supporting a large-scale transformation programme within a global transport and logistics group, as they continue to scale their data and AI capabilities across multiple operational functions.
This role sits within a high-impact transformation team focused on building analytical products and optimisation solutions to improve complex operational processes and supply chain performance.
The team is delivering data-driven solutions across operational domains, with the long-term goal of scaling these products across other business units.
The RoleThis position bridges data engineering and analytics, focusing on preparing, analysing, and validating data before it feeds into a cloud-based analytics platform.
You will transform complex operational datasets into actionable insights and dashboards, supporting rapid decision-making.
The environment is highly collaborative, with analysts and engineers problem-solving together to tackle complex operational challenges and deliver high-value prototypes.
Key Responsibilities*Analyse and prepare datasets prior to ETL ingestion

*Work with SQL, Python, and Snowflake to explore, clean, and validate operational data

*Build prototypes and MVP dashboards to demonstrate value quickly

*Collaborate with analytics and optimisation teams on modelling initiatives

*Deliver clear visualisations and insights for operational stakeholders

*Identify data issues and ensure trustworthiness

*Support optimisation of resource planning, logistics, and operations

Skills & ExperienceRequired:
*Strong SQL and Python skills

*Experience with Snowflake or modern cloud data platforms

*Experience preparing and analysing data pre-ETL

*Experience building dashboards or visualisations (Power BI, Tableau, Looker, or similar)

*Strong analytical mindset with the ability to translate data into business value

Preferred:
*Experience with AWS environments

*Familiarity with modern ETL frameworks

*Experience collaborating with data science or optimisation teams

Candidate ProfileThe ideal candidate will be:
*Highly analytical and proactive

*Comfortable in fast-moving, ambiguous environments

*Able to turn imperfect data into usable insights

*Confident communicating with stakeholders across multiple functions

Why Join This Programme?*Work on a major operational transformation programme

*Build analytics products that directly influence high-value decisions

*Collaborate with cross-functional analytics, engineering, and operations teams

*Opportunity for long-term contract extensions and future projects

Interested?
Apply via Harnham or contact us directly for a confidential discussion about this opportunity.
Job number 3501775

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Company Details:
Harnham - Data & Analytics Recruitment
Company size: 250–499 employees
Industry: Recruitment Consultancy
Harnham are the global leaders in Data & Analytics recruitment.Harnham provides specialist Data & Analytics recruitment staffing services and talent s...
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