The median contractor rate for an iOS Developer was £400 per day in advertised job vacancies in Hertfordshire during the 3 months to 22 June 2017.

The first table below provides contractor rate benchmarking and summary statistics including a comparison to 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 Developer
East of England / Hertfordshire
3 months to
22 Jun 2017
Same period 2016 Same period 2015
Rank 58 - 76
Rank change year-on-year - 0  
Contract jobs requiring an iOS Developer 1 0 1
As % of all contract IT jobs advertised in Hertfordshire 0.16% - 0.11%
As % of the Job Titles category 0.17% - 0.12%
Number of daily rates quoted 1 0 0
Median daily rate £400 - -
UK excluding London median daily rate £383 £388 £375
% change year-on-year -1.29% +3.33%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £41.50 - £40.00

The next table is for comparison with the above and includes summary statistics for all job roles in contract job vacancies advertised in Hertfordshire. Most job vacancies include a discernible job title. As such, the figures in the first row provide an indication of the number of contract jobs in our overall sample.

Contract IT Job Roles
Hertfordshire
Contract job vacancies with a job title containing a recognized job role 585 646 823
As % of all contract IT job vacancies advertised in Hertfordshire 92.56% 96.71% 92.37%
Number of daily rates quoted 307 330 431
Median daily rate £400 £413 £375
Median daily rate % change year-on-year -3.03% +10.00%  
90% offered a daily rate of more than £225 £170 £225
10% offered a daily rate of more than £550 £500 £500
UK excluding London median daily rate £400 £400 £373
% change year-on-year - +7.38%  
Number of hourly rates quoted 53 35 72
Median hourly rate £14.50 £13.00 £17.50
Median hourly rate % change year-on-year +11.53% -25.71%  
90% offered a hourly rate of more than £10.00 £8.25 £9.00
10% offered a hourly rate of more than £36.50 £29.50 £37.50
UK excluding London median hourly rate £17.50 £17.45 £16.00
% change year-on-year +0.28% +9.06%  

iOS Developer
Job Vacancy Trend in Hertfordshire

The job posting trend of jobs advertised in Hertfordshire that featured iOS Developer in the job title.

Job vacancy trend for iOS Developer in Hertfordshire

iOS Developer
Contractor Daily Rate Trend in Hertfordshire

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing iOS Developer in Hertfordshire.

Contractor daily rate trend for iOS Developer in Hertfordshire

iOS Developer Skill Set
Top 30 Co-occurring IT Skills in Hertfordshire

For the 6 months to 22 June 2017, iOS Developer contract jobs required the following IT skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the Hertfordshire region featuring iOS Developer in the job title.

1 5 (100.00%) JavaScript
1 5 (100.00%) XML
1 5 (100.00%) Objective-C
1 5 (100.00%) Apple iOS
1 5 (100.00%) iOS SDK
1 5 (100.00%) iOS Development
2 4 (80.00%) Performance Tuning
2 4 (80.00%) Wireframes
2 4 (80.00%) Android SDK
2 4 (80.00%) Android Development
2 4 (80.00%) Wireshark
2 4 (80.00%) Android
2 4 (80.00%) RESTful
2 4 (80.00%) Java
2 4 (80.00%) VoIP
2 4 (80.00%) C#
3 3 (60.00%) Xcode
4 2 (40.00%) Apple
5 1 (20.00%) Web Development
5 1 (20.00%) JSON
5 1 (20.00%) jQuery
5 1 (20.00%) HTML5
5 1 (20.00%) Social Media
5 1 (20.00%) REST
5 1 (20.00%) Cocoa Touch
5 1 (20.00%) UIKit
5 1 (20.00%) Mobile App
5 1 (20.00%) Retail
5 1 (20.00%) Subversion
5 1 (20.00%) Cocoa

iOS Developer Skill Set
Co-occurring IT Skills in Hertfordshire 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:

Communications & Networking
1 4 (80.00%) VoIP
1 4 (80.00%) Wireshark
Development Applications
1 3 (60.00%) Xcode
2 1 (20.00%) Subversion
General
1 1 (20.00%) Retail
Libraries, Frameworks & Software Standards
1 5 (100.00%) iOS SDK
1 5 (100.00%) XML
2 4 (80.00%) Android SDK
2 4 (80.00%) RESTful
3 1 (20.00%) Cocoa
3 1 (20.00%) Cocoa Touch
3 1 (20.00%) Core Data
3 1 (20.00%) HTML
3 1 (20.00%) HTML5
3 1 (20.00%) jQuery
3 1 (20.00%) JSON
3 1 (20.00%) REST
3 1 (20.00%) SOAP
3 1 (20.00%) UIKit
3 1 (20.00%) Web Services
Miscellaneous
1 1 (20.00%) Mobile App
1 1 (20.00%) Social Media
Operating Systems
1 5 (100.00%) Apple iOS
2 4 (80.00%) Android
Processes & Methodologies
1 5 (100.00%) iOS Development
2 4 (80.00%) Android Development
2 4 (80.00%) Performance Tuning
2 4 (80.00%) Wireframes
3 1 (20.00%) Front End Development
3 1 (20.00%) OO
3 1 (20.00%) Web Development
Programming Languages
1 5 (100.00%) JavaScript
1 5 (100.00%) Objective-C
2 4 (80.00%) C#
2 4 (80.00%) Java
Vendors
1 2 (40.00%) Apple