Reference Data Contracts in London

Reference Data
England > London

The table below looks at the prevalence of the term Reference Data in contract job vacancies in London. Included is a benchmarking guide to the contractor rates offered in vacancies that cited Reference Data over the 6 months leading up to 29 May 2025, comparing them to the same period in the previous two years.

6 months to
29 May 2025
Same period 2024 Same period 2023
Rank 286 322 389
Rank change year-on-year +36 +67 +52
Contract jobs citing Reference Data 55 74 90
As % of all contract jobs advertised in London 0.45% 0.42% 0.35%
As % of the Miscellaneous category 1.26% 1.27% 0.98%
Number of daily rates quoted 27 56 73
10th Percentile £482 £438 £415
25th Percentile £537 £514 £513
Median daily rate (50th Percentile) £670 £700 £650
Median % change year-on-year -4.29% +7.69% +6.12%
75th Percentile £750 £925 £763
90th Percentile £860 - £850
England median daily rate £640 £650 £625
% change year-on-year -1.54% +4.00% +4.17%

All Generic Skills
London

Reference Data falls under the General and Transferable Skills category. For comparison with the information above, the following table provides summary statistics for all contract job vacancies requiring generic IT skills in London.

Contract vacancies with a requirement for generic IT skills 4,380 5,824 9,214
As % of all contract IT jobs advertised in London 36.14% 33.34% 36.13%
Number of daily rates quoted 2,943 4,116 6,683
10th Percentile £333 £313 £375
25th Percentile £450 £450 £500
Median daily rate (50th Percentile) £575 £575 £600
Median % change year-on-year - -4.17% -
75th Percentile £738 £725 £743
90th Percentile £838 £850 £838
England median daily rate £530 £550 £570
% change year-on-year -3.64% -3.51% +3.64%
Number of hourly rates quoted 82 150 106
10th Percentile £15.84 £15.49 £18.47
25th Percentile £22.57 £19.40 £21.24
Median hourly rate £30.90 £27.42 £34.81
Median % change year-on-year +12.70% -21.23% -19.98%
75th Percentile £47.06 £50.63 £63.75
90th Percentile £63.75 £71.25 £86.65
England median hourly rate £33.91 £35.50 £22.21
% change year-on-year -4.48% +59.87% -16.21%

Reference Data
Job Vacancy Trend in London

Job postings citing Reference Data as a proportion of all IT jobs advertised in London.

Job vacancy trend for Reference Data in London

Reference Data
Contractor Daily Rate Trend in London

3-month moving average daily rate quoted in jobs citing Reference Data in London.

Daily rate trend for Reference Data in London

Reference Data
Daily Rate Histogram in London

Daily rate distribution for jobs citing Reference Data in London over the 6 months to 29 May 2025.

Daily rate histogram for Reference Data in London

Reference Data
Contractor Hourly Rate Trend in London

3-month moving average hourly rates quoted in jobs citing Reference Data in London.

Hourly rate trend for Reference Data in London

Reference Data
Contract Job Locations in London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Reference Data within the London region over the 6 months to 29 May 2025. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Jobs
Central London +16 16 £633 -29.72% 3
Reference Data
England

Reference Data
Co-occurring Skills and Capabilities in London by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same employment type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 7 (12.73%) Apache
1 7 (12.73%) Apache Spark
2 6 (10.91%) Jupyter
3 2 (3.64%) IBM HTTP Server
3 2 (3.64%) SAS
Applications
1 4 (7.27%) Microsoft Excel
2 3 (5.45%) Microsoft Office
2 3 (5.45%) Microsoft PowerPoint
2 3 (5.45%) Microsoft Project
Business Applications
1 5 (9.09%) SAP S/4HANA
2 2 (3.64%) SAP MDG
2 2 (3.64%) SAP MDG-S
3 1 (1.82%) Actimize
3 1 (1.82%) Endur
3 1 (1.82%) Fidessa
3 1 (1.82%) SAP Oil and Gas
Cloud Services
1 16 (29.09%) Azure
2 9 (16.36%) AWS
2 9 (16.36%) Power Platform
3 4 (7.27%) GCP
4 2 (3.64%) Snowflake
5 1 (1.82%) Azure DevOps
5 1 (1.82%) Collibra
5 1 (1.82%) Microsoft Purview
Communications & Networking
1 6 (10.91%) SSH
2 1 (1.82%) FTP
Database & Business Intelligence
1 11 (20.00%) Data Warehouse
2 10 (18.18%) SQL Server
3 8 (14.55%) Power BI
4 7 (12.73%) Apache Hive
4 7 (12.73%) Azure SQL Database
4 7 (12.73%) Delta Lake
5 6 (10.91%) Metadata
6 4 (7.27%) DB2
6 4 (7.27%) Oracle Database
7 2 (3.64%) Data Lake
7 2 (3.64%) Oracle Exadata
7 2 (3.64%) SAP HANA
7 2 (3.64%) Tableau
8 1 (1.82%) Big Data
8 1 (1.82%) Data Mining
8 1 (1.82%) Enterprise Data Warehouse
8 1 (1.82%) Hadoop
8 1 (1.82%) QlikView
8 1 (1.82%) SQL Server Reporting Services
Development Applications
1 9 (16.36%) JIRA
2 8 (14.55%) Git
3 6 (10.91%) RStudio
4 2 (3.64%) ERwin
5 1 (1.82%) Jenkins
5 1 (1.82%) Visual Studio
General
1 28 (50.91%) Finance
2 23 (41.82%) Analytical Skills
3 22 (40.00%) Banking
4 16 (29.09%) Social Skills
5 6 (10.91%) Front Office
5 6 (10.91%) Investment Banking
6 5 (9.09%) Back Office
7 4 (7.27%) Presentation Skills
7 4 (7.27%) Public Sector
8 3 (5.45%) Influencing Skills
8 3 (5.45%) Pharmaceutical
9 1 (1.82%) Inclusion and Diversity
9 1 (1.82%) Legal
Job Titles
1 16 (29.09%) Analyst
2 11 (20.00%) Architect
3 10 (18.18%) Developer
4 8 (14.55%) Business Analyst
4 8 (14.55%) Data Engineer
5 7 (12.73%) Data Analyst
5 7 (12.73%) Data Architect
5 7 (12.73%) Database Developer
5 7 (12.73%) SQL Database Developer
5 7 (12.73%) SQL Developer
6 6 (10.91%) Project Manager
7 5 (9.09%) Fund Data Analyst
7 5 (9.09%) SQL Analyst
7 5 (9.09%) SQL Data Analyst
8 4 (7.27%) Data Warehouse Analyst
8 4 (7.27%) Database Analyst
8 4 (7.27%) Lead
8 4 (7.27%) Migration Architect
8 4 (7.27%) Performance Analyst
9 3 (5.45%) Oracle Analyst
Libraries, Frameworks & Software Standards
1 8 (14.55%) JSON
1 8 (14.55%) PySpark
2 7 (12.73%) pydantic
2 7 (12.73%) YAML
3 1 (1.82%) .NET
3 1 (1.82%) ASP.NET
3 1 (1.82%) ASP.NET MVC
3 1 (1.82%) Flask
3 1 (1.82%) FpML
3 1 (1.82%) Kafka
3 1 (1.82%) LDAP
3 1 (1.82%) Motif
3 1 (1.82%) React
3 1 (1.82%) REST
3 1 (1.82%) Web Services
3 1 (1.82%) XML
Miscellaneous
1 12 (21.82%) Data Structures
1 12 (21.82%) Hedge funds
2 8 (14.55%) Linux Command Line
3 5 (9.09%) Legacy Systems
4 3 (5.45%) Credit Risk
4 3 (5.45%) Derivative
4 3 (5.45%) Foreign Exchange (FX)
4 3 (5.45%) Market Risk
4 3 (5.45%) PMI
4 3 (5.45%) Self-Motivation
5 2 (3.64%) Data Protection Act
5 2 (3.64%) Equities
5 2 (3.64%) Onboarding
5 2 (3.64%) Virtual Team
6 1 (1.82%) Analytical Mindset
6 1 (1.82%) Data Centre
6 1 (1.82%) Equity Derivative
6 1 (1.82%) Fixed Income
6 1 (1.82%) Product Ownership
Operating Systems
1 7 (12.73%) Linux
2 2 (3.64%) Unix
Processes & Methodologies
1 17 (30.91%) Problem-Solving
2 16 (29.09%) Data Governance
3 13 (23.64%) Agile
3 13 (23.64%) Data Architecture
3 13 (23.64%) Migration
4 11 (20.00%) Data Management
5 9 (16.36%) Analytics
5 9 (16.36%) Data Analysis
5 9 (16.36%) Data Pipeline
5 9 (16.36%) Data Security
6 8 (14.55%) Master Data Management
6 8 (14.55%) Project Management
6 8 (14.55%) Reference Data Management
7 7 (12.73%) Data Ingestion
7 7 (12.73%) Validation
8 6 (10.91%) ETL
8 6 (10.91%) Risk Management
8 6 (10.91%) Scaled Agile Framework
8 6 (10.91%) Scrum
8 6 (10.91%) User Acceptance Testing
Programming Languages
1 29 (52.73%) SQL
2 17 (30.91%) Python
3 8 (14.55%) Scala
4 7 (12.73%) Bash
5 2 (3.64%) C++
6 1 (1.82%) C
6 1 (1.82%) C#
6 1 (1.82%) PL/SQL
6 1 (1.82%) PowerShell
6 1 (1.82%) Ruby
6 1 (1.82%) SPARQL
6 1 (1.82%) T-SQL
Qualifications
1 10 (18.18%) Degree
2 7 (12.73%) Security Cleared
3 6 (10.91%) SC Cleared
4 5 (9.09%) PMI Certification
5 4 (7.27%) Computer Science Degree
6 2 (3.64%) PMP
6 2 (3.64%) SAP Certification
6 2 (3.64%) TOGAF Certification
7 1 (1.82%) Master's Degree
Quality Assurance & Compliance
1 12 (21.82%) Data Quality
2 11 (20.00%) GDPR
3 3 (5.45%) MiFID
3 3 (5.45%) PMO
3 3 (5.45%) QA
4 2 (3.64%) EMIR
5 1 (1.82%) California Consumer Privacy Act
5 1 (1.82%) Sarbanes-Oxley
System Software
1 1 (1.82%) Active Directory
1 1 (1.82%) NFS
Systems Management
1 1 (1.82%) Progress Chef
1 1 (1.82%) Single Sign-On
Vendors
1 7 (12.73%) Databricks
1 7 (12.73%) Oracle
2 5 (9.09%) SAP
3 4 (7.27%) Google
3 4 (7.27%) IBM
4 3 (5.45%) Microsoft
5 2 (3.64%) BiZZdesign
5 2 (3.64%) Informatica
5 2 (3.64%) Murex
5 2 (3.64%) Salesforce
5 2 (3.64%) Sparx
6 1 (1.82%) Bloomberg
6 1 (1.82%) CQG
6 1 (1.82%) ION Trading
6 1 (1.82%) OpenLink
6 1 (1.82%) Reuters