The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for Visualforce skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Visualforce over the 3 months to 30 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.

Salesforce.com Visualforce
London / City of London
3 months to
30 Mar 2017
Same period 2016 Same period 2015
Rank 139 155 170
Rank change year-on-year +16 +15  
Contract jobs citing Visualforce 12 8 26
As % of all contract IT jobs advertised in the City of London 0.39% 0.24% 0.51%
As % of the Libraries, Frameworks & Software Standards category 1.10% 0.72% 1.68%
Number of daily rates quoted 8 7 16
Median daily rate £600 £500 £475
Median daily rate % change year-on-year +20.00% +5.26%  
90% offered a daily rate of more than £437 £375 £438
10% offered a daily rate of more than £625 £590 £575
UK excluding London median daily rate £450 £431 £438
% change year-on-year +4.34% -1.42%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -

Visualforce is in the industry standards, technical specifications and software library and framework 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 industry standards, technical specifications and software library and framework skills.

Contract Software Library & Framework Skills
City of London
Contract job vacancies with a requirement for industry standards, technical specifications and software library and framework skills 1086 1111 1549
As % of all contract IT job vacancies advertised in the City of London 35.01% 32.64% 30.15%
Number of daily rates quoted 899 942 1239
Median daily rate £475 £473 £425
Median daily rate % change year-on-year +0.52% +11.17%  
90% offered a daily rate of more than £338 £325 £308
10% offered a daily rate of more than £625 £600 £580
UK excluding London median daily rate £375 £363 £350
% change year-on-year +3.44% +3.57%  
Number of hourly rates quoted 2 5 7
Median hourly rate £35.00 £55.00 £27.37
Median hourly rate % change year-on-year -36.36% +100.94%  
UK excluding London median hourly rate £41.00 £38.00 £36.00
% change year-on-year +7.89% +5.55%  

Visualforce
Job Vacancy Trend in the City of London

The job posting trend of jobs advertised in the City of London citing Visualforce as a proportion of all contract or permanent IT jobs with a match in the Libraries, Frameworks & Software Standards category.

Job vacancy trend for Visualforce in the City of London

Visualforce
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 Visualforce in the City of London.

Contractor daily rate trend for Visualforce in the City of London

Visualforce
Contractor Daily Rate Histogram in the City of London

The daily rate distribution of IT jobs citing Visualforce in the City of London over the 3 months to 30 March 2017.

Contractor daily rate histogram for Visualforce in the City of London

For the 6 months to 30 March 2017, IT contractor jobs citing Visualforce 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 Visualforce.

1 16 (100.00%) Salesforce.com
2 14 (87.50%) Apex Code
3 8 (50.00%) Finance
3 8 (50.00%) Java
3 8 (50.00%) CRM
4 7 (43.75%) Banking
5 6 (37.50%) SOQL
5 6 (37.50%) SOSL
5 6 (37.50%) Middleware
6 5 (31.25%) SQL
6 5 (31.25%) DevOps
7 4 (25.00%) API Development
7 4 (25.00%) XML Parsing
7 4 (25.00%) REST
7 4 (25.00%) Analytics
7 4 (25.00%) XML
7 4 (25.00%) XSLT
7 4 (25.00%) SQL Server
7 4 (25.00%) XML Schema
8 3 (18.75%) Project Management
8 3 (18.75%) MOM
8 3 (18.75%) Agile Software Development
8 3 (18.75%) Software Engineering
8 3 (18.75%) Oracle
8 3 (18.75%) EAI
8 3 (18.75%) Data Modelling
8 3 (18.75%) SOA
8 3 (18.75%) UML
8 3 (18.75%) CSS
8 3 (18.75%) SOAP

Visualforce
Co-occurring 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 (18.75%) Confluence
2 2 (12.50%) Mule
2 2 (12.50%) Oracle SOA Suite
3 1 (6.25%) Apache
3 1 (6.25%) JBoss
3 1 (6.25%) WebLogic
3 1 (6.25%) WebSphere
Cloud Services
1 2 (12.50%) Force.com
1 2 (12.50%) GitHub
2 1 (6.25%) Heroku
2 1 (6.25%) SaaS
Communications & Networking
1 1 (6.25%) HTTP
Database & Business Intelligence
1 4 (25.00%) SQL Server
2 3 (18.75%) Big Data
2 3 (18.75%) NoSQL
2 3 (18.75%) QlikView
3 2 (12.50%) DBAmp
4 1 (6.25%) SQL Server Reporting Services
Development Applications
1 3 (18.75%) JIRA
1 3 (18.75%) Oracle APEX
2 2 (12.50%) Bitbucket
2 2 (12.50%) Eclipse
2 2 (12.50%) Git (software)
2 2 (12.50%) Jenkins
2 2 (12.50%) TeamCity
General
1 8 (50.00%) Finance
2 7 (43.75%) Banking
3 1 (6.25%) Billing
3 1 (6.25%) Retail
Job Titles
1 13 (81.25%) Developer
1 13 (81.25%) Salesforce Developer
2 7 (43.75%) Architect
2 7 (43.75%) Salesforce Architect
3 5 (31.25%) Java Architect
3 5 (31.25%) Java Developer
4 4 (25.00%) Lead Architect
4 4 (25.00%) Lead Developer
4 4 (25.00%) Lead Java Developer
5 3 (18.75%) Senior Developer
5 3 (18.75%) Senior Salesforce Developer
6 1 (6.25%) Analyst
6 1 (6.25%) Java Engineer
6 1 (6.25%) Salesforce Analyst
6 1 (6.25%) Salesforce Solution Architect
6 1 (6.25%) Senior Architect
6 1 (6.25%) Senior Java Developer
6 1 (6.25%) Senior Java Engineer
6 1 (6.25%) Senior Salesforce Architect
6 1 (6.25%) Solutions Architect
Libraries, Frameworks & Software Standards
1 6 (37.50%) Middleware
2 4 (25.00%) REST
2 4 (25.00%) XML
2 4 (25.00%) XML Schema
2 4 (25.00%) XSLT
3 3 (18.75%) AngularJS
3 3 (18.75%) CSS
3 3 (18.75%) GWT
3 3 (18.75%) jQuery
3 3 (18.75%) SOAP
4 2 (12.50%) Apache Camel
4 2 (12.50%) JSON
4 2 (12.50%) Struts
4 2 (12.50%) Web Services
5 1 (6.25%) .NET
5 1 (6.25%) HTML
5 1 (6.25%) HTML5
5 1 (6.25%) J2EE
5 1 (6.25%) Mason
5 1 (6.25%) Node.js
Miscellaneous
1 3 (18.75%) Enterprise Software
2 2 (12.50%) Data Structures
3 1 (6.25%) Computer Science
3 1 (6.25%) Management Information System
Processes & Methodologies
1 8 (50.00%) CRM
2 5 (31.25%) DevOps
3 4 (25.00%) Analytics
3 4 (25.00%) API Development
3 4 (25.00%) XML Parsing
4 3 (18.75%) Agile Software Development
4 3 (18.75%) Data Mapping
4 3 (18.75%) Data Modelling
4 3 (18.75%) EAI
4 3 (18.75%) ERD
4 3 (18.75%) Open Source
4 3 (18.75%) Project Management
4 3 (18.75%) Service Design
4 3 (18.75%) SOA
4 3 (18.75%) Software Engineering
4 3 (18.75%) UML
5 1 (6.25%) Asset Management
5 1 (6.25%) Business Analysis
5 1 (6.25%) Migration
5 1 (6.25%) Supplier Management
Programming Languages
1 14 (87.50%) Apex Code
2 8 (50.00%) Java
3 6 (37.50%) SOQL
3 6 (37.50%) SOSL
4 5 (31.25%) SQL
5 2 (12.50%) JavaScript
5 2 (12.50%) T-SQL
6 1 (6.25%) C++
Qualifications
1 2 (12.50%) Degree
2 1 (6.25%) PMI Certification
2 1 (6.25%) PMP
Quality Assurance & Compliance
1 1 (6.25%) QA
Systems Management
1 3 (18.75%) MOM
Vendors
1 16 (100.00%) Salesforce.com
2 3 (18.75%) Oracle
2 3 (18.75%) Tableau
3 2 (12.50%) Informatica
3 2 (12.50%) TIBCO
4 1 (6.25%) IBM
4 1 (6.25%) Zuora