The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for Data Mapping skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Data Mapping over the 3 months to 26 March 2017 with a comparison to the same period in 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.

3 months to
26 Mar 2017
Same period 2016 Same period 2015
Data Mapping
London / City of London
Rank 135 146 167
Rank change year-on-year +11 +21  
Contract jobs citing Data Mapping 19 12 28
As % of all contract IT jobs advertised in the City of London 0.63% 0.36% 0.55%
As % of the Processes & Methodologies category 0.74% 0.41% 0.67%
Number of daily rates quoted 14 9 16
Median daily rate £500 £550 £513
Median daily rate % change year-on-year -9.09% +7.31%  
90% offered a daily rate of more than £390 £460 £350
10% offered a daily rate of more than £705 £650 £613
UK excluding London median daily rate £450 £400 £384
% change year-on-year +12.50% +4.23%  
Number of hourly rates quoted 0 1 0
Median hourly rate - £19.50 -
UK excluding London median hourly rate - - £18.00

Data Mapping is in the process and methodology skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in the City of London with a requirement for process and methodology skills.

Contract Process & Methodology Skills
City of London
Contract job vacancies with a requirement for process and methodology skills 2561 2922 4205
As % of all contract IT job vacancies advertised in the City of London 85.54% 87.83% 82.45%
Number of daily rates quoted 2008 2335 3244
Median daily rate £500 £475 £450
Median daily rate % change year-on-year +5.26% +5.55%  
90% offered a daily rate of more than £345 £325 £320
10% offered a daily rate of more than £625 £625 £625
UK excluding London median daily rate £410 £400 £398
% change year-on-year +2.50% +0.62%  
Number of hourly rates quoted 22 27 36
Median hourly rate £16.00 £20.89 £20.45
Median hourly rate % change year-on-year -23.40% +2.17%  
90% offered a hourly rate of more than £13.50 £14.20 £12.50
10% offered a hourly rate of more than £28.35 £47.50 £92.50
UK excluding London median hourly rate £36.00 £38.75 £30.00
% change year-on-year -7.09% +29.16%  

Data Mapping
Job Vacancy Trend in the City of London

The job posting trend of jobs advertised in the City of London citing Data Mapping as a proportion of all contract or permanent IT jobs with a match in the Processes & Methodologies category.

Job vacancy trend for Data Mapping in the City of London

Data Mapping
Contractor Daily Rate Trend in the City of London

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Data Mapping in the City of London.

Contractor daily rate trend for Data Mapping in the City of London

Data Mapping
Contractor Daily Rate Histogram in the City of London

The daily rate distribution of IT jobs citing Data Mapping in the City of London over the 3 months to 26 March 2017.

Contractor daily rate histogram for Data Mapping in the City of London

Data Mapping
Contractor Hourly Rate Trend in the City of London

This chart provides the 3-month moving average for hourly rates quoted in IT contractor jobs citing Data Mapping in the City of London.

Contractor hourly rate trend for Data Mapping in the City of London

Data Mapping
Top 30 Related IT Skills in the City of London

For the 6 months to 26 March 2017, IT contractor jobs citing Data Mapping also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the City of London region with a requirement for Data Mapping.

1 19 (55.88%) SQL
1 19 (55.88%) Data Modelling
2 14 (41.18%) Microsoft
3 12 (35.29%) ETL
4 11 (32.35%) Data Warehouse
5 10 (29.41%) SQL Server
5 10 (29.41%) Big Data
6 9 (26.47%) Agile Software Development
6 9 (26.47%) Data Analysis
7 8 (23.53%) T-SQL
7 8 (23.53%) Business Intelligence
7 8 (23.53%) Finance
7 8 (23.53%) Migration
8 7 (20.59%) Business Analysis
9 6 (17.65%) SQL Server Integration Services
9 6 (17.65%) Teradata
9 6 (17.65%) ERP
9 6 (17.65%) CRM
9 6 (17.65%) Analytics
9 6 (17.65%) Analytical Skills
9 6 (17.65%) Power BI
10 5 (14.71%) Vertica
10 5 (14.71%) Oracle
10 5 (14.71%) MS Excel
10 5 (14.71%) C#
10 5 (14.71%) Middleware
10 5 (14.71%) Netezza
10 5 (14.71%) Greenplum
11 4 (11.76%) Data Management
11 4 (11.76%) Banking

Data Mapping
Top Related IT Skills in the City of 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 3 (8.82%) Confluence
2 2 (5.88%) BizTalk Server
2 2 (5.88%) Mule
2 2 (5.88%) Oracle SOA Suite
3 1 (2.94%) Apache Spark
Applications
1 5 (14.71%) MS Excel
2 3 (8.82%) MS Project
2 3 (8.82%) MS Visio
3 1 (2.94%) MS Office
Business Applications
1 3 (8.82%) Dynamics CRM
2 1 (2.94%) Dynamics AX
Cloud Services
1 2 (5.88%) GitHub
2 1 (2.94%) Microsoft Azure
2 1 (2.94%) SuccessFactors
Communications & Networking
1 2 (5.88%) LDAP
Database & Business Intelligence
1 11 (32.35%) Data Warehouse
2 10 (29.41%) Big Data
2 10 (29.41%) SQL Server
3 6 (17.65%) Power BI
3 6 (17.65%) SQL Server Integration Services
4 4 (11.76%) SQL Server Reporting Services
5 3 (8.82%) Hadoop
5 3 (8.82%) SQL Server 2008
6 2 (5.88%) Informix
6 2 (5.88%) NoSQL
6 2 (5.88%) QlikView
6 2 (5.88%) SQL Anywhere
7 1 (2.94%) Apache Hive
7 1 (2.94%) Data Lake
7 1 (2.94%) DB2
7 1 (2.94%) IBM InfoSphere
7 1 (2.94%) Impala
7 1 (2.94%) Relational Database
7 1 (2.94%) SQL Server Analysis Services
Development Applications
1 3 (8.82%) JIRA
1 3 (8.82%) Team Foundation Server
2 2 (5.88%) Bitbucket
2 2 (5.88%) Eclipse
2 2 (5.88%) ERwin
2 2 (5.88%) Git (software)
2 2 (5.88%) Jenkins
2 2 (5.88%) Oracle APEX
2 2 (5.88%) TeamCity
3 1 (2.94%) Talend Open Studio
General
1 8 (23.53%) Finance
2 4 (11.76%) Banking
3 2 (5.88%) Marketing
4 1 (2.94%) Legal
Job Titles
1 16 (47.06%) Analyst
2 12 (35.29%) Data Analyst
3 8 (23.53%) Developer
4 6 (17.65%) Architect
4 6 (17.65%) Business Analyst
5 5 (14.71%) ETL Developer
5 5 (14.71%) SQL Developer
6 4 (11.76%) Business Data Analyst
6 4 (11.76%) Microsoft Developer
7 3 (8.82%) Business Intelligence Analyst
7 3 (8.82%) Data Architect
7 3 (8.82%) Data Business Analyst
7 3 (8.82%) Insurance Business Analyst
7 3 (8.82%) Java Architect
7 3 (8.82%) Java Developer
7 3 (8.82%) Lead Architect
7 3 (8.82%) Lead Developer
7 3 (8.82%) Lead Java Developer
7 3 (8.82%) Salesforce Architect
7 3 (8.82%) Salesforce Developer
Libraries, Frameworks & Software Standards
1 5 (14.71%) Middleware
2 4 (11.76%) XML
3 3 (8.82%) CSS
3 3 (8.82%) jQuery
3 3 (8.82%) JSON
3 3 (8.82%) Visualforce
3 3 (8.82%) XML Schema
3 3 (8.82%) XSLT
4 2 (5.88%) AngularJS
4 2 (5.88%) Apache Camel
4 2 (5.88%) GWT
4 2 (5.88%) REST
4 2 (5.88%) SOAP
4 2 (5.88%) Struts
4 2 (5.88%) Web Services
5 1 (2.94%) SAML
Miscellaneous
1 6 (17.65%) Analytical Skills
2 3 (8.82%) Enterprise Software
2 3 (8.82%) Reinsurance
3 1 (2.94%) Reference Data
Processes & Methodologies
1 19 (55.88%) Data Modelling
2 12 (35.29%) ETL
3 9 (26.47%) Agile Software Development
3 9 (26.47%) Data Analysis
4 8 (23.53%) Business Intelligence
4 8 (23.53%) Migration
5 7 (20.59%) Business Analysis
6 6 (17.65%) Analytics
6 6 (17.65%) CRM
6 6 (17.65%) ERP
7 4 (11.76%) Business Process Analysis
7 4 (11.76%) Data Architecture
7 4 (11.76%) Data Management
7 4 (11.76%) Data Migration
8 3 (8.82%) Data Integration
8 3 (8.82%) EAI
8 3 (8.82%) ERD
8 3 (8.82%) Open Source
8 3 (8.82%) SOA
8 3 (8.82%) UML
Programming Languages
1 19 (55.88%) SQL
2 8 (23.53%) T-SQL
3 5 (14.71%) C#
4 3 (8.82%) Apex Code
4 3 (8.82%) Java
4 3 (8.82%) SOQL
4 3 (8.82%) SOSL
4 3 (8.82%) VBA
5 1 (2.94%) PL/SQL
Qualifications
1 1 (2.94%) Degree
Quality Assurance & Compliance
1 3 (8.82%) Data Quality
2 2 (5.88%) Sarbanes-Oxley
2 2 (5.88%) Solvency II
3 1 (2.94%) GDPR
3 1 (2.94%) MiFID
System Software
1 4 (11.76%) Active Directory
2 1 (2.94%) Shibboleth
Systems Management
1 4 (11.76%) Forefront Identity Manager
2 3 (8.82%) MOM
Vendors
1 14 (41.18%) Microsoft
2 6 (17.65%) Teradata
3 5 (14.71%) Greenplum
3 5 (14.71%) Netezza
3 5 (14.71%) Oracle
3 5 (14.71%) Vertica
4 3 (8.82%) Informatica
4 3 (8.82%) Salesforce.com
4 3 (8.82%) SAP
5 2 (5.88%) CODA
5 2 (5.88%) Cognos
5 2 (5.88%) Tableau
5 2 (5.88%) TIBCO
6 1 (2.94%) Ab Initio
6 1 (2.94%) CA
6 1 (2.94%) Cloudera
6 1 (2.94%) Embarcadero
6 1 (2.94%) IBM
6 1 (2.94%) Talend