Period
to 2 August 2021

The table below looks at the prevalence of the term Reference Data in contract job vacancies advertised in London. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Reference Data over the 6 months to 2 August 2021 with a comparison to the same period over the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Reference Data
England > London
6 months to
2 Aug 2021
Same period 2020 Same period 2019
Rank 404 299 516
Rank change year-on-year -105 +217 +26
Contract jobs citing Reference Data 128 87 85
As % of all contract jobs advertised in London 0.42% 0.55% 0.21%
As % of the Miscellaneous category 1.27% 1.57% 0.65%
Number of daily rates quoted 97 72 49
10th Percentile £475 " £475
25th Percentile £513 £488 £500
Median daily rate (50th Percentile) £600 £588 £575
Median % change year-on-year +2.13% +2.17% +12.47%
75th Percentile £700 £713 £626
90th Percentile £800 £750 £678
England median daily rate £600 £575 £550
% change year-on-year +4.35% +4.55% +5.26%
Number of hourly rates quoted 1 0 0
Median hourly rate £35.00 - -
England median hourly rate £35.00 - £39.30

Reference Data is in the Generic IT Skills category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in London with a requirement for generic IT skills.

All Generic IT Skills
London
Contract vacancies with a requirement for generic IT skills 10,107 5,530 12,987
As % of all contract IT jobs advertised in London 33.44% 35.10% 32.13%
Number of daily rates quoted 7,125 4,066 9,281
10th Percentile £361 £325 £325
25th Percentile £450 £425 £420
Median daily rate (50th Percentile) £550 £540 £525
Median % change year-on-year +1.85% +2.86% +1.94%
75th Percentile £675 £650 £625
90th Percentile £750 £750 £700
England median daily rate £513 £500 £475
% change year-on-year +2.50% +5.26% -
Number of hourly rates quoted 156 85 187
10th Percentile £14.36 £14.11 £12.76
25th Percentile £20.00 £24.35 £16.25
Median hourly rate £32.00 £38.50 £24.50
Median % change year-on-year -16.88% +57.14% +5.49%
75th Percentile £44.88 £47.75 £47.25
90th Percentile £58.13 £55.10 £52.70
England median hourly rate £24.08 £26.50 £20.50
% change year-on-year -9.13% +29.27% -8.89%

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 2 August 2021.

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 2 August 2021. 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
Job
Vacancies
Central London -17 13 £625 -3.85% 1
South London - 2 - -
West London - 1 - -
Reference Data
England

For the 6 months to 2 August 2021, IT contractor jobs citing Reference Data also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the London region with a requirement for Reference Data.

1 71 (55.47%) Finance
2 57 (44.53%) SQL
3 41 (32.03%) Data Modelling
4 38 (29.69%) Agile Software Development
5 33 (25.78%) Java
5 33 (25.78%) Data Management
6 31 (24.22%) Banking
7 28 (21.88%) Migration
7 28 (21.88%) Social Skills
8 27 (21.09%) Data Quality
9 22 (17.19%) Relational Database
9 22 (17.19%) Metadata
10 20 (15.63%) Oracle
11 19 (14.84%) Microservices
12 18 (14.06%) Logical Data Model
12 18 (14.06%) Reference Data Management
12 18 (14.06%) TDD
12 18 (14.06%) Data Analysis
12 18 (14.06%) Azure
12 18 (14.06%) AWS
13 17 (13.28%) Data Governance
14 16 (12.50%) XML
15 15 (11.72%) Data Integration
15 15 (11.72%) Business Analysis
15 15 (11.72%) JSON
15 15 (11.72%) Analytics
16 14 (10.94%) Spring
16 14 (10.94%) Data Architecture
16 14 (10.94%) Data Migration
16 14 (10.94%) SQL Server

Reference Data
Co-occurring IT Skills in London by Category

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

Application Platforms
1 6 (4.69%) Confluence
1 6 (4.69%) Oracle Coherence
2 4 (3.13%) Apache Spark
3 3 (2.34%) Apache
3 3 (2.34%) SAS
3 3 (2.34%) SharePoint
4 2 (1.56%) Documentum
Applications
1 4 (3.13%) Microsoft Excel
Business Applications
1 8 (6.25%) Sparx Enterprise Architect
2 4 (3.13%) SAP S/4HANA
3 1 (0.78%) Dynamics CRM
3 1 (0.78%) Eagle PACE
3 1 (0.78%) Markit EDM
3 1 (0.78%) SAP CO
3 1 (0.78%) SAP FI
3 1 (0.78%) SAP FI/CO
3 1 (0.78%) SAP FI-GL
3 1 (0.78%) SAP MDG
Cloud Services
1 18 (14.06%) AWS
1 18 (14.06%) Azure
2 10 (7.81%) Power Platform
3 9 (7.03%) GCP
4 3 (2.34%) Azure Data Factory
4 3 (2.34%) Collibra
4 3 (2.34%) GitHub
5 2 (1.56%) SaaS
6 1 (0.78%) Amazon CloudWatch
6 1 (0.78%) Amazon EC2
6 1 (0.78%) Amazon ECS
6 1 (0.78%) Amazon EKS
6 1 (0.78%) Amazon S3
6 1 (0.78%) Amazon SQS
6 1 (0.78%) AWS Lambda
6 1 (0.78%) Azure Cosmos DB
6 1 (0.78%) Azure Synapse Analytics
6 1 (0.78%) PaaS
6 1 (0.78%) Route 53
6 1 (0.78%) Serverless
Communications & Networking
1 3 (2.34%) FTP
Database & Business Intelligence
1 22 (17.19%) Metadata
1 22 (17.19%) Relational Database
2 14 (10.94%) SQL Server
3 13 (10.16%) RDBMS
4 10 (7.81%) Big Data
4 10 (7.81%) Power BI
5 9 (7.03%) NoSQL
6 8 (6.25%) Data Lake
6 8 (6.25%) Data Warehouse
7 6 (4.69%) Hadoop
7 6 (4.69%) Pentaho
7 6 (4.69%) PostgreSQL
7 6 (4.69%) Qlik Sense
7 6 (4.69%) QlikView
7 6 (4.69%) SQL Server Integration Services
8 4 (3.13%) Apache Ignite
8 4 (3.13%) Hazelcast
8 4 (3.13%) Infinispan
8 4 (3.13%) MongoDB
8 4 (3.13%) SAP HANA
Development Applications
1 13 (10.16%) JIRA
2 10 (7.81%) Jenkins
3 8 (6.25%) TeamCity
4 7 (5.47%) Git (software)
5 6 (4.69%) ERwin
6 5 (3.91%) JUnit
6 5 (3.91%) Maven
7 4 (3.13%) Concordion
7 4 (3.13%) Cucumber
7 4 (3.13%) git-flow
7 4 (3.13%) Gradle
7 4 (3.13%) JBehave
7 4 (3.13%) Mockito
8 3 (2.34%) IntelliJ
9 2 (1.56%) SonarQube
9 2 (1.56%) Visual Studio
10 1 (0.78%) Bitbucket
10 1 (0.78%) GitLab
10 1 (0.78%) Toad
General
1 71 (55.47%) Finance
2 31 (24.22%) Banking
3 28 (21.88%) Social Skills
4 11 (8.59%) Analytical Skills
4 11 (8.59%) Investment Banking
5 10 (7.81%) Financial Institution
6 7 (5.47%) Electronics
6 7 (5.47%) Public Sector
6 7 (5.47%) Telecoms
7 6 (4.69%) Influencing Skills
7 6 (4.69%) Legal
7 6 (4.69%) Manufacturing
7 6 (4.69%) Marketing
8 5 (3.91%) Back Office
9 4 (3.13%) Front Office
9 4 (3.13%) Retail Banking
10 2 (1.56%) Law
10 2 (1.56%) Presentation Skills
10 2 (1.56%) Retail
11 1 (0.78%) Documentation Skills
Job Titles
1 44 (34.38%) Analyst
2 28 (21.88%) Developer
3 21 (16.41%) Architect
4 20 (15.63%) Business Analyst
5 19 (14.84%) Data Analyst
5 19 (14.84%) Data Architect
6 14 (10.94%) Java Developer
7 13 (10.16%) Data Modeller
8 10 (7.81%) Senior Developer
9 8 (6.25%) Data Engineer
10 7 (5.47%) Power BI Analyst
10 7 (5.47%) SQL Analyst
10 7 (5.47%) SQL Data Analyst
11 6 (4.69%) QlikView Analyst
11 6 (4.69%) Senior Analyst
11 6 (4.69%) SSIS Analyst
12 5 (3.91%) Banking Analyst
12 5 (3.91%) Business Data Analyst
12 5 (3.91%) Senior Java Developer
12 5 (3.91%) Technical Leader
Libraries, Frameworks & Software Standards
1 16 (12.50%) XML
2 15 (11.72%) JSON
3 14 (10.94%) Spring
4 12 (9.38%) GraphQL
4 12 (9.38%) Kafka
5 11 (8.59%) Spring Boot
6 10 (7.81%) React
6 10 (7.81%) REST
7 9 (7.03%) AngularJS
8 8 (6.25%) HTML
9 7 (5.47%) .NET
10 6 (4.69%) .NET Core
10 6 (4.69%) Ajax
10 6 (4.69%) CSS
10 6 (4.69%) FpML
10 6 (4.69%) Razor View Engine
10 6 (4.69%) Web Services
11 5 (3.91%) MDX
11 5 (3.91%) Spring Cloud
12 4 (3.13%) FIX Protocol
Miscellaneous
1 12 (9.38%) Fixed Income
2 7 (5.47%) Equities
3 6 (4.69%) Data Protection Act
3 6 (4.69%) Data Structures
3 6 (4.69%) SWIFT
4 4 (3.13%) Algorithms
5 3 (2.34%) Cloud Native
5 3 (2.34%) Credit Risk
5 3 (2.34%) Hedge funds
5 3 (2.34%) Legacy Systems
5 3 (2.34%) User Experience
6 2 (1.56%) Derivative
6 2 (1.56%) Foreign Exchange (FX)
6 2 (1.56%) TM Forum
7 1 (0.78%) Data Centre
7 1 (0.78%) FMCG
7 1 (0.78%) Management Information System
7 1 (0.78%) Market Risk
7 1 (0.78%) Pricing Data
7 1 (0.78%) Semantic Web
Operating Systems
1 12 (9.38%) Linux
2 9 (7.03%) Unix
3 1 (0.78%) Windows
3 1 (0.78%) Windows Server
3 1 (0.78%) Windows Server 2016
Processes & Methodologies
1 41 (32.03%) Data Modelling
2 38 (29.69%) Agile Software Development
3 33 (25.78%) Data Management
4 28 (21.88%) Migration
5 19 (14.84%) Microservices
6 18 (14.06%) Data Analysis
6 18 (14.06%) Logical Data Model
6 18 (14.06%) Reference Data Management
6 18 (14.06%) TDD
7 17 (13.28%) Data Governance
8 15 (11.72%) Analytics
8 15 (11.72%) Business Analysis
8 15 (11.72%) Data Integration
9 14 (10.94%) Data Architecture
9 14 (10.94%) Data Migration
9 14 (10.94%) ETL
10 13 (10.16%) Scrum
11 12 (9.38%) Business Intelligence
11 12 (9.38%) Validation
12 11 (8.59%) UML
Programming Languages
1 57 (44.53%) SQL
2 33 (25.78%) Java
3 13 (10.16%) Python
4 11 (8.59%) JavaScript
5 10 (7.81%) C#
6 9 (7.03%) Scala
7 8 (6.25%) Java 8
8 7 (5.47%) C++
8 7 (5.47%) T-SQL
9 6 (4.69%) VBA
10 5 (3.91%) PowerShell
11 4 (3.13%) C
12 3 (2.34%) COBOL
13 2 (1.56%) Lua
13 2 (1.56%) PL/SQL
13 2 (1.56%) R
13 2 (1.56%) SPARQL
14 1 (0.78%) Groovy
14 1 (0.78%) SHACL
Qualifications
1 8 (6.25%) Degree
2 4 (3.13%) Computer Science Degree
3 2 (1.56%) Security Cleared
4 1 (0.78%) ACCA
4 1 (0.78%) CFA
4 1 (0.78%) CIMA
4 1 (0.78%) ITIL Certification
4 1 (0.78%) MBA
4 1 (0.78%) SC Cleared
Quality Assurance & Compliance
1 27 (21.09%) Data Quality
2 4 (3.13%) MiFID
3 3 (2.34%) GDPR
4 2 (1.56%) QA
5 1 (0.78%) EMIR
5 1 (0.78%) FATCA
5 1 (0.78%) SNOMED CT
System Software
1 4 (3.13%) Docker
2 2 (1.56%) Apache ZooKeeper
3 1 (0.78%) HDFS
Systems Management
1 6 (4.69%) Kubernetes
2 2 (1.56%) ITRS Geneos
3 1 (0.78%) Ansible
3 1 (0.78%) Hadoop YARN
Vendors
1 20 (15.63%) Oracle
2 12 (9.38%) SAP
3 8 (6.25%) GoldenSource
3 8 (6.25%) Sparx
4 7 (5.47%) Microsoft
5 6 (4.69%) Informatica
5 6 (4.69%) QAD
5 6 (4.69%) Refinitiv
5 6 (4.69%) Solace
6 5 (3.91%) Bloomberg
6 5 (3.91%) IBM
6 5 (3.91%) Sybase
7 4 (3.13%) Embarcadero
7 4 (3.13%) eSpeed
7 4 (3.13%) MarketAxess
7 4 (3.13%) Tradeweb
8 2 (1.56%) Murex
9 1 (0.78%) BT
9 1 (0.78%) MicroStrategy
9 1 (0.78%) ServiceNow