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 29 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.

Apple iOS
London / City of London
3 months to
29 Mar 2017
Same period 2016 Same period 2015
Rank 93 111 80
Rank change year-on-year +18 -31  
Contract jobs citing Apple iOS 69 48 123
As % of all contract IT jobs advertised in the City of London 2.25% 1.42% 2.41%
As % of the Operating Systems category 9.83% 6.77% 10.96%
Number of daily rates quoted 53 43 94
Median daily rate £450 £425 £394
Median daily rate % change year-on-year +5.88% +7.93%  
90% offered a daily rate of more than £346 £201 £216
10% offered a daily rate of more than £550 £525 £491
UK excluding London median daily rate £361 £375 £338
% change year-on-year -3.66% +11.11%  
Number of hourly rates quoted 0 0 5
Median hourly rate - - £17.87
UK excluding London median hourly rate £18.25 £17.50 £25.70
% change year-on-year +4.28% -31.90%  

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 702 709 1122
As % of all contract IT job vacancies advertised in the City of London 22.85% 20.95% 21.94%
Number of daily rates quoted 565 559 863
Median daily rate £469 £438 £413
Median daily rate % change year-on-year +7.14% +5.93%  
90% offered a daily rate of more than £222 £225 £190
10% offered a daily rate of more than £600 £575 £575
UK excluding London median daily rate £385 £365 £338
% change year-on-year +5.47% +8.14%  
Number of hourly rates quoted 11 21 34
Median hourly rate £14.50 £19.00 £17.98
Median hourly rate % change year-on-year -23.68% +5.67%  
90% offered a hourly rate of more than £13.50 £13.00 £13.10
10% offered a hourly rate of more than £52.40 £30.00 £105.00
UK excluding London median hourly rate £15.25 £16.50 £15.50
% change year-on-year -7.57% +6.45%  

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 29 March 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 29 March 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 80 (61.54%) Android
2 69 (53.08%) Agile Software Development
3 46 (35.38%) iOS Development
3 46 (35.38%) Apple Swift
4 45 (34.62%) TDD
5 44 (33.85%) Mobile App
6 41 (31.54%) JavaScript
7 37 (28.46%) Objective-C
8 36 (27.69%) Scrum
9 35 (26.92%) HTML
10 31 (23.85%) CSS
11 30 (23.08%) Continuous Integration
11 30 (23.08%) REST
12 22 (16.92%) Java
13 21 (16.15%) Software Engineering
13 21 (16.15%) BDD
14 20 (15.38%) Kanban
15 19 (14.62%) Apple
15 19 (14.62%) jQuery
15 19 (14.62%) RESTful
16 18 (13.85%) Banking
16 18 (13.85%) User Experience
17 17 (13.08%) Xcode
17 17 (13.08%) E-Commerce
17 17 (13.08%) Windows
18 16 (12.31%) JSON
18 16 (12.31%) QA
18 16 (12.31%) Mobile Development
19 15 (11.54%) Microsoft Azure
19 15 (11.54%) Git (software)

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 4 (3.08%) Confluence
2 2 (1.54%) SharePoint
3 1 (0.77%) CMS
3 1 (0.77%) JBoss
3 1 (0.77%) Tomcat
3 1 (0.77%) Umbraco
Applications
1 3 (2.31%) Adobe Creative Suite
1 3 (2.31%) MS Office
2 2 (1.54%) InVision
2 2 (1.54%) MS Excel
2 2 (1.54%) UXPin
3 1 (0.77%) Adobe Illustrator
3 1 (0.77%) MS PowerPoint
3 1 (0.77%) Photoshop
Business Applications
1 1 (0.77%) SAP Oil and Gas
Cloud Services
1 15 (11.54%) Microsoft Azure
2 9 (6.92%) Amazon AWS
3 7 (5.38%) AWS CloudFormation
4 6 (4.62%) TestFlight
5 2 (1.54%) GitHub
6 1 (0.77%) G Suite
6 1 (0.77%) Google Cloud Platform
6 1 (0.77%) Google Play
6 1 (0.77%) Office 365
Communications & Networking
1 8 (6.15%) HTTP
2 7 (5.38%) RTP
2 7 (5.38%) RTSP
3 3 (2.31%) Unified Communications
4 2 (1.54%) DHCP
4 2 (1.54%) DNS
4 2 (1.54%) Internet
4 2 (1.54%) TCP/IP
5 1 (0.77%) LDAP
5 1 (0.77%) Remote Desktop
5 1 (0.77%) RFID
5 1 (0.77%) SSL
5 1 (0.77%) VPN
5 1 (0.77%) Wi-Fi
Database & Business Intelligence
1 15 (11.54%) MySQL
2 10 (7.69%) Apache Cassandra
2 10 (7.69%) MongoDB
2 10 (7.69%) NoSQL
3 8 (6.15%) SQLite
4 6 (4.62%) Azure SQL Database
4 6 (4.62%) CouchDB
5 2 (1.54%) Big Data
5 2 (1.54%) Hadoop
5 2 (1.54%) PostgreSQL
5 2 (1.54%) SQL Server
6 1 (0.77%) Neo4j
6 1 (0.77%) RDBMS
6 1 (0.77%) Relational Database
6 1 (0.77%) SQL Server 2012
Development Applications
1 17 (13.08%) Xcode
2 15 (11.54%) Git (software)
3 14 (10.77%) Jenkins
4 11 (8.46%) Cucumber
5 10 (7.69%) Appium
5 10 (7.69%) Calabash
6 8 (6.15%) Selenium
7 7 (5.38%) Axure RP
8 6 (4.62%) JIRA
9 5 (3.85%) Android Studio
9 5 (3.85%) WebDriver
10 4 (3.08%) Capybara
11 3 (2.31%) Appcelerator Titanium
11 3 (2.31%) Eclipse
12 2 (1.54%) Balsamiq Mockups
12 2 (1.54%) JUnit
12 2 (1.54%) Maven
12 2 (1.54%) TeamCity
12 2 (1.54%) Visual Studio
13 1 (0.77%) NUnit
General
1 18 (13.85%) Banking
2 9 (6.92%) Finance
3 5 (3.85%) Retail
4 3 (2.31%) Games
5 2 (1.54%) Marketing
6 1 (0.77%) Back Office
6 1 (0.77%) Electronics
6 1 (0.77%) Financial Institution
6 1 (0.77%) Legal
6 1 (0.77%) Manufacturing
6 1 (0.77%) Retail Banking
6 1 (0.77%) Telecoms
Job Titles
1 87 (66.92%) Developer
2 39 (30.00%) iOS Developer
3 20 (15.38%) Senior Developer
4 13 (10.00%) Senior iOS Developer
5 10 (7.69%) Mobile Developer
6 8 (6.15%) Android Developer
6 8 (6.15%) iOS Android Developer
6 8 (6.15%) Java Developer
6 8 (6.15%) QA Engineer
6 8 (6.15%) Scala Developer
6 8 (6.15%) Xamarin Developer
7 7 (5.38%) Senior Java Developer
8 6 (4.62%) Front End Developer (Client-Side Developer)
9 5 (3.85%) Architect
10 4 (3.08%) Designer
10 4 (3.08%) Python Developer
10 4 (3.08%) Software Engineer
10 4 (3.08%) Technical Leader
10 4 (3.08%) Test Engineer
10 4 (3.08%) Tester
Libraries, Frameworks & Software Standards
1 35 (26.92%) HTML
2 31 (23.85%) CSS
3 30 (23.08%) REST
4 19 (14.62%) jQuery
4 19 (14.62%) RESTful
5 16 (12.31%) JSON
6 15 (11.54%) HTML5
7 14 (10.77%) .NET
7 14 (10.77%) Web Services
8 12 (9.23%) Cocoa
8 12 (9.23%) SOAP
9 11 (8.46%) Ajax
10 10 (7.69%) CSS3
10 10 (7.69%) Kafka
11 9 (6.92%) Akka
12 8 (6.15%) iOS SDK
13 7 (5.38%) Apache Cordova
13 7 (5.38%) FFmpeg
13 7 (5.38%) GStreamer
13 7 (5.38%) Spring
Miscellaneous
1 44 (33.85%) Mobile App
2 18 (13.85%) User Experience
3 8 (6.15%) Streaming Video
4 7 (5.38%) iPad
4 7 (5.38%) iPhone
4 7 (5.38%) MPEG
5 5 (3.85%) Blackberry
6 4 (3.08%) Enterprise Software
7 3 (2.31%) Fintech
8 2 (1.54%) Mobile Banking
8 2 (1.54%) Social Media
9 1 (0.77%) Animation
9 1 (0.77%) CESG
9 1 (0.77%) Handset
9 1 (0.77%) Internet of Things
9 1 (0.77%) NHS
9 1 (0.77%) N-Tier
9 1 (0.77%) Over-the-Top Content
9 1 (0.77%) PKI
9 1 (0.77%) STB
Operating Systems
1 80 (61.54%) Android
2 17 (13.08%) Windows
3 4 (3.08%) webOS
3 4 (3.08%) Windows Phone
3 4 (3.08%) Windows Phone 7
4 3 (2.31%) Linux
4 3 (2.31%) Mac OS
5 2 (1.54%) Windows 7
5 2 (1.54%) Windows 8
5 2 (1.54%) Windows Mobile
6 1 (0.77%) CentOS
6 1 (0.77%) Mac OS X
6 1 (0.77%) Mac OS X Server
6 1 (0.77%) Red Hat Enterprise Linux
6 1 (0.77%) Unix
6 1 (0.77%) Windows 10
6 1 (0.77%) Windows XP
Processes & Methodologies
1 69 (53.08%) Agile Software Development
2 46 (35.38%) iOS Development
3 45 (34.62%) TDD
4 36 (27.69%) Scrum
5 30 (23.08%) Continuous Integration
6 21 (16.15%) BDD
6 21 (16.15%) Software Engineering
7 20 (15.38%) Kanban
8 17 (13.08%) E-Commerce
9 16 (12.31%) Mobile Development
10 15 (11.54%) MVC
11 14 (10.77%) Automated Testing
12 13 (10.00%) Android Development
12 13 (10.00%) Unit Testing
13 12 (9.23%) Test Automation
14 9 (6.92%) Front End Development
14 9 (6.92%) Web Development
15 8 (6.15%) Pair Programming
16 7 (5.38%) OO
16 7 (5.38%) Release Management
Programming Languages
1 46 (35.38%) Apple Swift
2 41 (31.54%) JavaScript
3 37 (28.46%) Objective-C
4 22 (16.92%) Java
5 14 (10.77%) C#
6 11 (8.46%) SQL
7 10 (7.69%) Ruby
7 10 (7.69%) Scala
8 9 (6.92%) C++
9 8 (6.15%) Python
10 6 (4.62%) XAML
11 3 (2.31%) C
12 2 (1.54%) Go
13 1 (0.77%) ActionScript
13 1 (0.77%) Bash Shell
13 1 (0.77%) Perl
13 1 (0.77%) PHP
13 1 (0.77%) Shell Script
Qualifications
1 3 (2.31%) Degree
1 3 (2.31%) SC Cleared
1 3 (2.31%) Security Cleared
2 1 (0.77%) ITIL Certification
Quality Assurance & Compliance
1 16 (12.31%) QA
2 2 (1.54%) SDET
System Software
1 10 (7.69%) Docker
2 5 (3.85%) Active Directory
3 1 (0.77%) BitLocker
3 1 (0.77%) VirtualBox
3 1 (0.77%) VMware ESXi
3 1 (0.77%) VMware Infrastructure
3 1 (0.77%) XenApp
Systems Management
1 5 (3.85%) HockeyApp
2 2 (1.54%) SCCM
3 1 (0.77%) Ansible
3 1 (0.77%) Jamf Pro
3 1 (0.77%) Microsoft Intune
3 1 (0.77%) Norton AntiVirus
3 1 (0.77%) Symantec Endpoint Protection
Vendors
1 19 (14.62%) Apple
2 12 (9.23%) Xamarin
3 7 (5.38%) Brightcove
3 7 (5.38%) Google
4 5 (3.85%) Microsoft
5 3 (2.31%) Adobe
5 3 (2.31%) Telerik
6 2 (1.54%) Citrix
6 2 (1.54%) Kony
6 2 (1.54%) MobileIron
7 1 (0.77%) Apigee
7 1 (0.77%) Appcelerator
7 1 (0.77%) IBM
7 1 (0.77%) Red Hat
7 1 (0.77%) Remedy
7 1 (0.77%) Salesforce.com
7 1 (0.77%) SAP
7 1 (0.77%) Sencha
7 1 (0.77%) Symantec
7 1 (0.77%) VMware
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