Period
to 21 January 2018

The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for iOS Development skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited iOS Development over the 6 months to 21 January 2018 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.

iOS Software Development
Central London > City of London
6 months to
21 Jan 2018
Same period 2017 Same period 2016
Rank 192 172 179
Rank change year-on-year -20 +7 +24
Contract jobs citing iOS Development 56 60 59
As % of all contract IT jobs advertised in the City of London 0.80% 0.97% 0.83%
As % of the Processes & Methodologies category 0.91% 1.11% 0.97%
Number of daily rates quoted 45 51 56
City of London median daily rate £450 £500 £425
Median daily rate % change year-on-year -10.00% +17.65% +6.25%
10th Percentile £323 £363 £300
90th Percentile £544 £575 £550
Central London median daily rate £450 £488 £425
% change year-on-year -7.69% +14.71% +6.25%
Number of hourly rates quoted 0 0 0
City of London median hourly rate - - -
Central London median hourly rate - - -

iOS Development is in the Processes and Methodologies category. The following 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 or methodology skills.

All Process and Methodology Skills
City of London
Contract vacancies with a requirement for process or methodology skills 6,140 5,428 6,059
As % of all contract IT jobs advertised in the City of London 87.84% 87.89% 85.46%
Number of daily rates quoted 4,912 4,321 4,821
City of London median daily rate £505 £475 £475
Median daily rate % change year-on-year +6.32% - +5.56%
10th Percentile £331 £313 £290
90th Percentile £688 £669 £650
Central London median daily rate £500 £475 £463
% change year-on-year +5.26% +2.70% +2.78%
Number of hourly rates quoted 59 49 54
City of London median hourly rate £18.70 £20.75 £22.00
Median hourly rate % change year-on-year -9.88% -5.68% +15.79%
10th Percentile £11.74 £13.70 £12.50
90th Percentile £31.10 £55.00 £53.45
Central London median hourly rate £20.25 £19.00 £21.75
% change year-on-year +6.58% -12.64% +20.83%

iOS Development
Job Vacancy Trend in the City of London

Job postings citing iOS Development as a percentage of all IT jobs advertised in the City of London.

Job vacancy trend for iOS Development in the City of London

iOS Development
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 iOS Development in the City of London.

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

iOS Development
Contractor Daily Rate Histogram in the City of London

The daily rate distribution of IT jobs citing iOS Development in the City of London over the 6 months to 21 January 2018.

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

iOS Development
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 iOS Development in the City of London.

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

For the 6 months to 21 January 2018, IT contractor jobs citing iOS Development 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 iOS Development.

1 56 (100.00%) Apple iOS
2 36 (64.29%) Agile Software Development
3 34 (60.71%) Android
4 31 (55.36%) Android Development
5 27 (48.21%) Apple Swift
6 24 (42.86%) Mobile App
7 20 (35.71%) Objective-C
8 16 (28.57%) Scrum
9 15 (26.79%) TDD
10 14 (25.00%) Git (software)
10 14 (25.00%) User Experience
11 12 (21.43%) Finance
11 12 (21.43%) JavaScript
12 10 (17.86%) React Native
13 9 (16.07%) Mobile Development
13 9 (16.07%) REST
14 8 (14.29%) MVC
14 8 (14.29%) Pair Programming
15 7 (12.50%) Mobile Games
15 7 (12.50%) Games
15 7 (12.50%) HTML
15 7 (12.50%) C++
15 7 (12.50%) OOP
15 7 (12.50%) Apple
15 7 (12.50%) Game Development
15 7 (12.50%) Kanban
15 7 (12.50%) Jest
16 6 (10.71%) Domain-Driven Design
16 6 (10.71%) JIRA
16 6 (10.71%) CSS

iOS Development
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 1 (1.79%) Apache
1 1 (1.79%) Confluence
1 1 (1.79%) JBoss
Applications
1 1 (1.79%) Adobe Illustrator
1 1 (1.79%) Photoshop
Cloud Services
1 2 (3.57%) GitHub
1 2 (3.57%) Google Play
2 1 (1.79%) Cloud Computing
2 1 (1.79%) Firebase
2 1 (1.79%) npm
2 1 (1.79%) PaaS
Communications & Networking
1 2 (3.57%) Bluetooth
1 2 (3.57%) Internet
2 1 (1.79%) HTTP
2 1 (1.79%) HTTPS
2 1 (1.79%) NFC
Database & Business Intelligence
1 4 (7.14%) MySQL
2 3 (5.36%) Redis
3 2 (3.57%) MongoDB
4 1 (1.79%) Apache Cassandra
4 1 (1.79%) Big Data
4 1 (1.79%) Data Mining
4 1 (1.79%) Firebird
4 1 (1.79%) NoSQL
Development Applications
1 14 (25.00%) Git (software)
2 6 (10.71%) JIRA
3 4 (7.14%) Jenkins
4 3 (5.36%) TestRail
5 2 (3.57%) Appium
5 2 (3.57%) Crashlytics
5 2 (3.57%) Xcode
6 1 (1.79%) Bitbucket
General
1 12 (21.43%) Finance
2 7 (12.50%) Games
3 4 (7.14%) Advertising
3 4 (7.14%) Banking
4 2 (3.57%) Retail Banking
5 1 (1.79%) Law
5 1 (1.79%) Retail
5 1 (1.79%) Spanish Language
5 1 (1.79%) Telecoms
Job Titles
1 47 (83.93%) Developer
2 29 (51.79%) iOS Developer
3 9 (16.07%) Mobile Developer
4 8 (14.29%) Android Developer
4 8 (14.29%) Senior Developer
5 7 (12.50%) React Developer
6 6 (10.71%) iOS Android Developer
6 6 (10.71%) Senior iOS Developer
7 5 (8.93%) Applications Developer
8 3 (5.36%) Lead Developer
8 3 (5.36%) Mobile Applications Developer
9 2 (3.57%) Designer
9 2 (3.57%) Lead Android Developer
9 2 (3.57%) Lead iOS Developer
9 2 (3.57%) UI Developer
9 2 (3.57%) UI/UX Developer
9 2 (3.57%) UX Designer
9 2 (3.57%) UX Developer
10 1 (1.79%) Mobile Product Manager
10 1 (1.79%) UI/UX Designer
Libraries, Frameworks & Software Standards
1 10 (17.86%) React Native
2 9 (16.07%) REST
3 7 (12.50%) HTML
3 7 (12.50%) Jest
4 6 (10.71%) CSS
5 5 (8.93%) Core Animation
5 5 (8.93%) HTML5
5 5 (8.93%) iOS SDK
6 4 (7.14%) Cocoa
6 4 (7.14%) CSS3
6 4 (7.14%) JSON
6 4 (7.14%) Node.js
6 4 (7.14%) RESTful
7 3 (5.36%) AngularJS
7 3 (5.36%) PhoneGap
7 3 (5.36%) RabbitMQ
7 3 (5.36%) RxSwift
8 2 (3.57%) Cocoa Touch
8 2 (3.57%) Core Data
8 2 (3.57%) UIKit
Miscellaneous
1 24 (42.86%) Mobile App
2 14 (25.00%) User Experience
3 7 (12.50%) Mobile Games
4 5 (8.93%) Animation
4 5 (8.93%) iPad
4 5 (8.93%) iPhone
5 4 (7.14%) Computer Science
6 3 (5.36%) Greenfield Project
7 2 (3.57%) Social Media
7 2 (3.57%) Virtual Team
8 1 (1.79%) Analytical Skills
8 1 (1.79%) Blackberry
8 1 (1.79%) State Machine
Operating Systems
1 56 (100.00%) Apple iOS
2 34 (60.71%) Android
3 1 (1.79%) Linux
3 1 (1.79%) Windows
Processes & Methodologies
1 36 (64.29%) Agile Software Development
2 31 (55.36%) Android Development
3 16 (28.57%) Scrum
4 15 (26.79%) TDD
5 9 (16.07%) Mobile Development
6 8 (14.29%) MVC
6 8 (14.29%) Pair Programming
7 7 (12.50%) Game Development
7 7 (12.50%) Kanban
7 7 (12.50%) OOP
8 6 (10.71%) Domain-Driven Design
9 5 (8.93%) Software Architecture
10 4 (7.14%) E-Commerce
10 4 (7.14%) Front End Development
10 4 (7.14%) Mobile Application Development
10 4 (7.14%) MVVM
10 4 (7.14%) OO
11 3 (5.36%) BDD
11 3 (5.36%) Continuous Integration
11 3 (5.36%) Project Management
Programming Languages
1 27 (48.21%) Apple Swift
2 20 (35.71%) Objective-C
3 12 (21.43%) JavaScript
4 7 (12.50%) C++
5 5 (8.93%) Java
6 3 (5.36%) SQL
7 2 (3.57%) Kotlin
8 1 (1.79%) C
8 1 (1.79%) C#
8 1 (1.79%) Delphi
8 1 (1.79%) PHP
Qualifications
1 4 (7.14%) Computer Science Degree
1 4 (7.14%) Degree
Quality Assurance & Compliance
1 4 (7.14%) QA
Vendors
1 7 (12.50%) Apple
2 3 (5.36%) Atlassian
2 3 (5.36%) Google
3 1 (1.79%) Oracle