The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for Apple iOS skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Apple iOS over the 3 months to 24 June 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.

Apple iOS
London / City of London
3 months to
24 Jun 2017
Same period 2016 Same period 2015
Rank 102 95 119
Rank change year-on-year -7 +24  
Contract jobs citing Apple iOS 64 71 93
As % of all contract IT jobs advertised in the City of London 1.96% 2.10% 1.60%
As % of the Operating Systems category 9.92% 9.67% 7.91%
Number of daily rates quoted 52 59 73
Median daily rate £425 £450 £450
Median daily rate % change year-on-year -5.55% -  
90% offered a daily rate of more than £223 £287 £255
10% offered a daily rate of more than £525 £505 £550
UK excluding London median daily rate £375 £350 £363
% change year-on-year +7.14% -3.44%  
Number of hourly rates quoted 0 1 0
Median hourly rate - £125.00 -
UK excluding London median hourly rate £17.50 £21.50 £16.14
% change year-on-year -18.60% +33.25%  

Apple iOS is in the operating system 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 operating system skills.

Contract Operating System Skills
City of London
Contract job vacancies with a requirement for operating system skills 645 734 1175
As % of all contract IT job vacancies advertised in the City of London 19.75% 21.70% 20.19%
Number of daily rates quoted 506 609 904
Median daily rate £450 £459 £400
Median daily rate % change year-on-year -1.85% +14.62%  
90% offered a daily rate of more than £220 £250 £225
10% offered a daily rate of more than £625 £600 £575
UK excluding London median daily rate £375 £363 £348
% change year-on-year +3.44% +4.31%  
Number of hourly rates quoted 18 21 53
Median hourly rate £21.25 £17.50 £20.00
Median hourly rate % change year-on-year +21.42% -12.50%  
90% offered a hourly rate of more than £14.98 £12.50 £12.35
10% offered a hourly rate of more than £175.00 £22.00 £34.30
UK excluding London median hourly rate £15.50 £17.00 £16.20
% change year-on-year -8.82% +4.93%  

Apple iOS
Job Vacancy Trend in the City of London

The job posting trend of jobs advertised in the City of London citing Apple iOS as a proportion of all contract or permanent IT jobs with a match in the Operating Systems category.

Job vacancy trend for Apple iOS in the City of London

Apple iOS
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 Apple iOS in the City of London.

Contractor daily rate trend for Apple iOS in the City of London

Apple iOS
Contractor Daily Rate Histogram in the City of London

The daily rate distribution of IT jobs citing Apple iOS in the City of London over the 3 months to 24 June 2017.

Contractor daily rate histogram for Apple iOS in the City of London

Apple iOS
Contractor Hourly Rate Trend in the City of London

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

Contractor hourly rate trend for Apple iOS in the City of London

For the 6 months to 24 June 2017, IT contractor jobs citing Apple iOS 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 Apple iOS.

1 82 (62.60%) Android
2 65 (49.62%) Agile Software Development
3 51 (38.93%) Mobile App
4 50 (38.17%) iOS Development
5 48 (36.64%) Apple Swift
6 38 (29.01%) Objective-C
7 33 (25.19%) HTML
7 33 (25.19%) REST
8 32 (24.43%) Test Automation
9 31 (23.66%) TDD
10 28 (21.37%) User Experience
11 27 (20.61%) JavaScript
11 27 (20.61%) CSS
11 27 (20.61%) Scrum
12 26 (19.85%) Apple
13 23 (17.56%) Java
14 22 (16.79%) Git (software)
15 21 (16.03%) HTML5
15 21 (16.03%) Web Services
16 20 (15.27%) Android Development
17 17 (12.98%) Windows
17 17 (12.98%) Finance
17 17 (12.98%) Banking
18 16 (12.21%) Software Engineering
18 16 (12.21%) Xcode
18 16 (12.21%) Mobile Development
19 15 (11.45%) CSS3
19 15 (11.45%) JSON
19 15 (11.45%) QA
19 15 (11.45%) Continuous Integration

Apple iOS
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 6 (4.58%) Confluence
2 4 (3.05%) SharePoint
3 3 (2.29%) Cloud Foundry
3 3 (2.29%) Mule
4 2 (1.53%) Apache Spark
5 1 (0.76%) Apache
5 1 (0.76%) JBoss
5 1 (0.76%) SharePoint 2013
Applications
1 5 (3.82%) Microsoft Office
2 2 (1.53%) Adobe Creative Suite
2 2 (1.53%) InVision
2 2 (1.53%) UXPin
3 1 (0.76%) Microsoft Excel
3 1 (0.76%) Microsoft PowerPoint
3 1 (0.76%) Photoshop
Cloud Services
1 13 (9.92%) Microsoft Azure
2 7 (5.34%) Amazon AWS
3 5 (3.82%) Office 365
4 4 (3.05%) TestFlight
5 2 (1.53%) Google Play
5 2 (1.53%) OneDrive
6 1 (0.76%) Amazon EC2
6 1 (0.76%) AWS CloudFormation
6 1 (0.76%) BrowserStack
6 1 (0.76%) G Suite
6 1 (0.76%) GitHub
6 1 (0.76%) Google Cloud Platform
Communications & Networking
1 4 (3.05%) HTTP
2 3 (2.29%) DHCP
2 3 (2.29%) DNS
2 3 (2.29%) Internet
2 3 (2.29%) LAN
2 3 (2.29%) Unified Communications
3 2 (1.53%) Skype
3 2 (1.53%) TCP/IP
4 1 (0.76%) Network Security
4 1 (0.76%) Remote Desktop
4 1 (0.76%) RFID
4 1 (0.76%) RTP
4 1 (0.76%) RTSP
4 1 (0.76%) VLAN
4 1 (0.76%) VPN
4 1 (0.76%) WAN
4 1 (0.76%) WLAN
Database & Business Intelligence
1 12 (9.16%) MongoDB
2 6 (4.58%) CouchDB
2 6 (4.58%) MySQL
3 4 (3.05%) Azure SQL Database
3 4 (3.05%) SQLite
4 3 (2.29%) Apache Cassandra
4 3 (2.29%) NoSQL
5 2 (1.53%) SQL Server
5 2 (1.53%) SQL Server 2012
6 1 (0.76%) Amazon RDS
6 1 (0.76%) PostgreSQL
Development Applications
1 22 (16.79%) Git (software)
2 16 (12.21%) Xcode
3 13 (9.92%) Appium
3 13 (9.92%) JIRA
4 11 (8.40%) Calabash
5 10 (7.63%) Cucumber
5 10 (7.63%) Jenkins
6 9 (6.87%) Selenium
7 5 (3.82%) Axure RP
7 5 (3.82%) WebDriver
8 4 (3.05%) Android Studio
8 4 (3.05%) Capybara
9 3 (2.29%) JUnit
9 3 (2.29%) webpack
10 2 (1.53%) Balsamiq Mockups
10 2 (1.53%) Eclipse
10 2 (1.53%) Fiddler
10 2 (1.53%) Maven
11 1 (0.76%) Appcelerator Titanium
11 1 (0.76%) SpecFlow
General
1 17 (12.98%) Banking
1 17 (12.98%) Finance
2 11 (8.40%) Retail
3 3 (2.29%) Games
3 3 (2.29%) Retail Banking
4 1 (0.76%) Back Office
4 1 (0.76%) Corporate Banking
4 1 (0.76%) Financial Institution
4 1 (0.76%) Investment Banking
4 1 (0.76%) Legal
4 1 (0.76%) Marketing
4 1 (0.76%) Publishing
Job Titles
1 72 (54.96%) Developer
2 41 (31.30%) iOS Developer
3 12 (9.16%) Android Developer
3 12 (9.16%) Mobile Developer
3 12 (9.16%) Senior Developer
4 10 (7.63%) iOS Android Developer
4 10 (7.63%) QA Engineer
5 9 (6.87%) Analyst
5 9 (6.87%) Senior iOS Developer
6 7 (5.34%) Designer
6 7 (5.34%) Xamarin Developer
7 5 (3.82%) Software Engineer
7 5 (3.82%) Support Engineer
7 5 (3.82%) Test Analyst
8 4 (3.05%) IT Support
8 4 (3.05%) JavaScript Developer
8 4 (3.05%) Technical Leader
8 4 (3.05%) Tester
8 4 (3.05%) UX Designer
9 3 (2.29%) Front End Developer (Client-Side Developer)
Libraries, Frameworks & Software Standards
1 33 (25.19%) HTML
1 33 (25.19%) REST
2 27 (20.61%) CSS
3 21 (16.03%) HTML5
3 21 (16.03%) Web Services
4 15 (11.45%) CSS3
4 15 (11.45%) JSON
4 15 (11.45%) RESTful
5 13 (9.92%) AngularJS
5 13 (9.92%) Apache Cordova
5 13 (9.92%) React Native
6 12 (9.16%) jQuery
7 11 (8.40%) .NET
7 11 (8.40%) Cocoa
8 10 (7.63%) Node.js
8 10 (7.63%) PhoneGap
8 10 (7.63%) SOAP
9 8 (6.11%) React
10 7 (5.34%) iOS SDK
11 6 (4.58%) Core Data
Miscellaneous
1 51 (38.93%) Mobile App
2 28 (21.37%) User Experience
3 14 (10.69%) Greenfield Project
4 13 (9.92%) iPad
5 12 (9.16%) iPhone
6 6 (4.58%) Enterprise Software
7 5 (3.82%) Mobile Banking
7 5 (3.82%) Social Media
8 3 (2.29%) Blackberry
8 3 (2.29%) Virtual Team
9 2 (1.53%) Analytical Skills
9 2 (1.53%) Computer Science
9 2 (1.53%) Smartphone
9 2 (1.53%) Streaming Video
10 1 (0.76%) Algorithms
10 1 (0.76%) Animation
10 1 (0.76%) CESG
10 1 (0.76%) Social Gaming
10 1 (0.76%) SWIFT
10 1 (0.76%) Wiki
Operating Systems
1 82 (62.60%) Android
2 17 (12.98%) Windows
3 6 (4.58%) Windows 10
4 5 (3.82%) Windows 7
5 4 (3.05%) Linux
6 2 (1.53%) Mac OS
6 2 (1.53%) Windows 8
7 1 (0.76%) Windows Server 2008
7 1 (0.76%) Windows Server 2012
Processes & Methodologies
1 65 (49.62%) Agile Software Development
2 50 (38.17%) iOS Development
3 32 (24.43%) Test Automation
4 31 (23.66%) TDD
5 27 (20.61%) Scrum
6 20 (15.27%) Android Development
7 16 (12.21%) Mobile Development
7 16 (12.21%) Software Engineering
8 15 (11.45%) Continuous Integration
9 14 (10.69%) BDD
10 12 (9.16%) Cross-Platform Development
11 11 (8.40%) Web Development
12 10 (7.63%) MVC
13 9 (6.87%) E-Commerce
14 8 (6.11%) DevOps
14 8 (6.11%) OO
15 7 (5.34%) Front End Development
15 7 (5.34%) Prototyping
15 7 (5.34%) User Stories
15 7 (5.34%) Wireframes
Programming Languages
1 48 (36.64%) Apple Swift
2 38 (29.01%) Objective-C
3 27 (20.61%) JavaScript
4 23 (17.56%) Java
5 11 (8.40%) C#
6 10 (7.63%) Ruby
7 6 (4.58%) C++
8 5 (3.82%) SQL
8 5 (3.82%) XAML
9 4 (3.05%) Python
10 3 (2.29%) C
10 3 (2.29%) GraphQL
10 3 (2.29%) Scala
11 1 (0.76%) ActionScript
11 1 (0.76%) Perl
11 1 (0.76%) TypeScript
Qualifications
1 7 (5.34%) Degree
2 4 (3.05%) Security Cleared
3 2 (1.53%) Computer Science Degree
3 2 (1.53%) SC Cleared
4 1 (0.76%) ITIL Certification
4 1 (0.76%) MCSA
4 1 (0.76%) Microsoft Certification
Quality Assurance & Compliance
1 15 (11.45%) QA
2 1 (0.76%) SLA
System Software
1 8 (6.11%) Active Directory
2 1 (0.76%) BitLocker
2 1 (0.76%) Docker
2 1 (0.76%) VMware Infrastructure
2 1 (0.76%) XenApp
Systems Management
1 8 (6.11%) HockeyApp
2 3 (2.29%) SCCM
3 1 (0.76%) Microsoft Intune
3 1 (0.76%) Norton AntiVirus
Vendors
1 26 (19.85%) Apple
2 12 (9.16%) Xamarin
3 8 (6.11%) Microsoft
4 7 (5.34%) Google
5 4 (3.05%) Telerik
6 2 (1.53%) Adobe
6 2 (1.53%) Citrix
6 2 (1.53%) Facebook
6 2 (1.53%) MobileIron
7 1 (0.76%) Apigee
7 1 (0.76%) Appcelerator
7 1 (0.76%) Brightcove
7 1 (0.76%) IBM
7 1 (0.76%) Kony
7 1 (0.76%) Sencha
7 1 (0.76%) Symantec
7 1 (0.76%) VMware
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