Period
to 25 November 2017

The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for iOS SDK skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited iOS SDK over the 6 months to 25 November 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 SDK
Central London > City of London
6 months to
25 Nov 2017
Same period 2016 Same period 2015
Rank 237 235 250
Rank change year-on-year -2 +15 +21
Contract jobs citing iOS SDK 15 8 20
As % of all contract IT jobs advertised in the City of London 0.21% 0.12% 0.22%
As % of the Libraries, Frameworks & Software Standards category 0.56% 0.34% 0.71%
Number of daily rates quoted 15 7 20
City of London median daily rate £550 £363 £475
Median daily rate % change year-on-year +51.72% -23.68% +18.75%
10th Percentile £373 £325 £324
90th Percentile £625 £485 £553
Central London median daily rate £550 £363 £475
% change year-on-year +51.72% -23.68% +18.75%
Number of hourly rates quoted 0 0 0
City of London median hourly rate - - -
Central London median hourly rate - - -

iOS SDK is in the Software Libraries and Frameworks 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 technical specification, industry standards, software libraries and framework skills.

All Software Libraries and Frameworks
City of London
Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 2679 2386 2806
As % of all contract IT jobs advertised in the City of London 37.73% 35.82% 30.99%
Number of daily rates quoted 2253 2017 2317
City of London median daily rate £513 £475 £475
Median daily rate % change year-on-year +7.89% - +5.56%
10th Percentile £363 £325 £313
90th Percentile £675 £650 £638
Central London median daily rate £500 £475 £463
% change year-on-year +5.26% +2.70% +8.82%
Number of hourly rates quoted 10 4 14
City of London median hourly rate £22.99 £35.00 £38.75
Median hourly rate % change year-on-year -34.31% -9.68% +29.17%
10th Percentile £20.28 £19.00 £12.40
90th Percentile £33.75 £56.31 £66.25
Central London median hourly rate £21.50 £35.00 £38.75
% change year-on-year -38.57% -9.68% +29.17%

iOS SDK
Job Vacancy Trend in the City of London

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

Job vacancy trend for iOS SDK in the City of London

iOS SDK
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 SDK in the City of London.

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

iOS SDK
Contractor Daily Rate Histogram in the City of London

The daily rate distribution of IT jobs citing iOS SDK in the City of London over the 6 months to 25 November 2017.

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

For the 6 months to 25 November 2017, IT contractor jobs citing iOS SDK 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 SDK.

1 15 (100.00%) Apple iOS
2 13 (86.67%) Agile Software Development
3 11 (73.33%) TDD
3 11 (73.33%) Objective-C
3 11 (73.33%) Android
4 9 (60.00%) RESTful
4 9 (60.00%) Apple Swift
5 8 (53.33%) Android SDK
5 8 (53.33%) iOS Development
5 8 (53.33%) Continuous Integration
5 8 (53.33%) Web Services
6 7 (46.67%) Java
6 7 (46.67%) Apple
6 7 (46.67%) Scrum
6 7 (46.67%) Banking
6 7 (46.67%) BDD
6 7 (46.67%) Jenkins
6 7 (46.67%) Fintech
7 6 (40.00%) Analytical Skills
7 6 (40.00%) Gradle
7 6 (40.00%) Amazon AWS
7 6 (40.00%) Google
7 6 (40.00%) Finance
7 6 (40.00%) MySQL
8 5 (33.33%) JavaScript
8 5 (33.33%) SQL
8 5 (33.33%) Publishing
8 5 (33.33%) Spring
8 5 (33.33%) Maven
8 5 (33.33%) Software Engineering

iOS SDK
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 5 (33.33%) Elasticsearch
2 2 (13.33%) Confluence
3 1 (6.67%) Apache
Cloud Services
1 6 (40.00%) Amazon AWS
2 5 (33.33%) Google Play
3 2 (13.33%) GitHub
4 1 (6.67%) Amazon EC2
Communications & Networking
1 2 (13.33%) Bluetooth
Database & Business Intelligence
1 6 (40.00%) MySQL
2 5 (33.33%) Amazon DynamoDB
2 5 (33.33%) Apache Cassandra
2 5 (33.33%) MongoDB
2 5 (33.33%) Neo4j
2 5 (33.33%) NoSQL
2 5 (33.33%) PostgreSQL
2 5 (33.33%) Redis
3 1 (6.67%) Amazon RDS
Development Applications
1 7 (46.67%) Jenkins
2 6 (40.00%) Gradle
3 5 (33.33%) Cucumber
3 5 (33.33%) Maven
3 5 (33.33%) SonarQube
4 4 (26.67%) Git (software)
4 4 (26.67%) JIRA
4 4 (26.67%) Xcode
5 2 (13.33%) Bitbucket
5 2 (13.33%) Crashlytics
6 1 (6.67%) Android Studio
General
1 7 (46.67%) Banking
2 6 (40.00%) Finance
3 5 (33.33%) Publishing
4 1 (6.67%) Games
4 1 (6.67%) Marketing
Job Titles
1 15 (100.00%) Developer
2 7 (46.67%) iOS Developer
3 5 (33.33%) Java Developer
4 4 (26.67%) Senior Developer
4 4 (26.67%) Senior iOS Developer
5 3 (20.00%) Android Developer
6 1 (6.67%) iOS Android Developer
6 1 (6.67%) Perl Developer
Libraries, Frameworks & Software Standards
1 9 (60.00%) RESTful
2 8 (53.33%) Android SDK
2 8 (53.33%) Web Services
3 5 (33.33%) gRPC
3 5 (33.33%) Kafka
3 5 (33.33%) React
3 5 (33.33%) React Native
3 5 (33.33%) ReactiveX
3 5 (33.33%) Redux
3 5 (33.33%) Spring
3 5 (33.33%) Spring Boot
3 5 (33.33%) Spring Security
4 3 (20.00%) REST
5 2 (13.33%) .NET
5 2 (13.33%) Core Animation
5 2 (13.33%) Core Data
5 2 (13.33%) UIKit
5 2 (13.33%) WebKit
6 1 (6.67%) HTML
6 1 (6.67%) RxSwift
Miscellaneous
1 7 (46.67%) Fintech
2 6 (40.00%) Analytical Skills
3 5 (33.33%) Mobile App
4 4 (26.67%) iPhone
4 4 (26.67%) User Experience
5 2 (13.33%) Computer Science
5 2 (13.33%) Foreign Exchange (FX)
5 2 (13.33%) iPad
6 1 (6.67%) Algorithms
6 1 (6.67%) SWIFT
Operating Systems
1 15 (100.00%) Apple iOS
2 11 (73.33%) Android
3 1 (6.67%) Linux
Processes & Methodologies
1 13 (86.67%) Agile Software Development
2 11 (73.33%) TDD
3 8 (53.33%) Continuous Integration
3 8 (53.33%) iOS Development
4 7 (46.67%) BDD
4 7 (46.67%) Scrum
5 5 (33.33%) CQRS
5 5 (33.33%) DevOps
5 5 (33.33%) Domain-Driven Design
5 5 (33.33%) Functional Testing
5 5 (33.33%) Microservices
5 5 (33.33%) Software Engineering
6 3 (20.00%) Android Development
6 3 (20.00%) Mobile Development
6 3 (20.00%) MVC
7 2 (13.33%) CRM
7 2 (13.33%) Dependency Management
7 2 (13.33%) Low Latency
7 2 (13.33%) OOP
7 2 (13.33%) Open Source
Programming Languages
1 11 (73.33%) Objective-C
2 9 (60.00%) Apple Swift
3 7 (46.67%) Java
4 5 (33.33%) ES6
4 5 (33.33%) GraphQL
4 5 (33.33%) JavaScript
4 5 (33.33%) SQL
5 1 (6.67%) Perl
Vendors
1 7 (46.67%) Apple
2 6 (40.00%) Google
3 4 (26.67%) Atlassian
4 2 (13.33%) Xamarin
5 1 (6.67%) Facebook