Data Modeller Contract Jobs in London
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Senior Salesforce Developer introduction of AI-enabled
Posted 1 day ago by Rachel Kelly IT Recruitment Limited
The role is for a Senior Salesforce Developer on a 6-month fixed-term contract based in London City, requiring a hybrid...
- Rate Negotiable
- Category Fixed-Term
- Work type Hybrid
- Location City Of London, England, United Kingdom
Senior Data Governance Manager | Outside IR35 | £650 per day | 1 day in London p...
Posted 3 days ago by Solirius Limited
The Senior Data Governance Manager will lead the design of a secure data-sharing framework for the BOLD Mental Health Pr...
- Rate £650 per day
- Category Outside
- Work type Hybrid
- Location London, UK
Data Engineer/Developer - London | Snowflake | Azure | SQL - Asset Management
Posted 3 days ago by Strike IT Services
A leading asset manager is seeking a skilled Snowflake/Azure Data Engineer to support a cloud-based data transformation...
- Rate £750 per day
- Category Inside
- Work type Hybrid
- Location London/Hybrid, UK
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About Our Data Modeller Contract Roles in London
What does a data modeller contractor do?
Data Modeller contractors are engaged to design the logical and physical structures that define how data is organised, stored, and related within databases, data warehouses, and data platforms. The work involves translating business requirements into data models, designing entity-relationship diagrams, dimensional models, or data vault structures depending on the target system, documenting data definitions and business rules, reviewing and optimising existing data structures for performance and maintainability, and collaborating with data engineers and analysts to ensure that data models meet both technical and analytical requirements. Data Modellers are brought in during platform builds and migrations, when data quality problems can be traced to poor data structures, or when an organisation needs to establish a canonical data model to support integration or analytics programmes.
Data Modeller contractors are expected to have strong conceptual, logical, and physical data modelling skills, with the ability to work at each level of abstraction depending on the stage of the project. Proficiency in data modelling tools such as erwin, Sparx EA, or dbt for transformation modelling is expected. Deep understanding of dimensional modelling techniques, including star and snowflake schemas and slowly changing dimensions, is essential for roles focused on data warehouse and analytics platforms. Experience with data vault 2.0 methodology is increasingly sought for enterprise data warehouse projects. Familiarity with the data platform technologies in use at the client, whether a traditional RDBMS such as SQL Server or Oracle, or a cloud data warehouse such as Snowflake or BigQuery, is expected to inform the physical modelling decisions.
What is the market like for data modeller contractors?
The market for Data Modeller contractors is a specialist and relatively senior market within the broader data discipline, most active during significant data platform builds, migrations, and consolidation programmes. Financial services, insurance, telecommunications, and retail are among the most consistent buyers of Data Modeller contract resource, as these sectors typically manage large, complex data estates that require careful structural design to support both operational and analytical use cases. Rates are influenced by the specialist nature of the discipline and the relatively limited supply of contractors with genuine enterprise data modelling experience. Contractors who combine strong modelling skills with cloud platform knowledge and familiarity with modern data architecture patterns are consistently in the strongest demand.
What is the contracting market like in London?
London dominates the UK contractor market by volume, depth, and rate levels. The capital concentrates the headquarters and major offices of most FTSE 100 companies, the largest global banks, the Big Four professional services firms, and the central government departments that collectively generate the majority of UK contract demand. Every contracting discipline covered on this site has active demand in London, from niche specialisms like threat intelligence and LLM engineering through to high-volume disciplines like project management and business analysis. The sheer density of employers means contractors in London typically have more choice of engagement at any given time than anywhere else in the UK. Day rates carry a premium of 15 to 25 per cent over the national average across most disciplines, reflecting both the concentration of complex, high-value programmes and the cost of operating in the capital.
How much do data modeller contractors usually earn in London?
Contract rates for data modeller roles in London typically range from £495 to £880 per day, depending on the scope of the role, required expertise, and the delivery expectations of the engagement.
How many data modeller vacancies in London are there on Quality Contracts?
Over the past twelve months, we have tracked over 100 data modeller contract roles across the site, with London accounting for roughly one in three of those. Data reviewed up to June 2026.