Period
to 21 November 2017

The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for Objective-C skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Objective-C over the 6 months to 21 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 Objective-C
Central London > City of London
6 months to
21 Nov 2017
Same period 2016 Same period 2015
Rank 194 189 210
Rank change year-on-year -5 +21 +1
Contract jobs citing Objective-C 58 61 53
As % of all contract IT jobs advertised in the City of London 0.81% 0.92% 0.58%
As % of the Programming Languages category 1.54% 1.82% 1.25%
Number of daily rates quoted 46 53 49
City of London median daily rate £475 £488 £430
Median daily rate % change year-on-year -2.56% +13.37% +7.50%
10th Percentile £363 £375 £306
90th Percentile £631 £575 £575
Central London median daily rate £475 £488 £450
% change year-on-year -2.56% +8.33% +12.50%
Number of hourly rates quoted 0 0 0
City of London median hourly rate - - -
Central London median hourly rate - - -

Objective-C is in the Programming Languages 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 coding skills.

All Programming Languages
City of London
Contract vacancies with a requirement for coding skills 3761 3358 4238
As % of all contract IT jobs advertised in the City of London 52.59% 50.47% 46.77%
Number of daily rates quoted 3125 2822 3549
City of London median daily rate £525 £475 £475
Median daily rate % change year-on-year +10.53% - +5.56%
10th Percentile £363 £325 £313
90th Percentile £688 £650 £663
Central London median daily rate £513 £475 £475
% change year-on-year +7.89% - +5.56%
Number of hourly rates quoted 14 10 22
City of London median hourly rate £22.99 £27.50 £26.09
Median hourly rate % change year-on-year -16.39% +5.42% +30.43%
10th Percentile £15.12 £16.06 £16.10
90th Percentile £39.10 £55.19 £53.70
Central London median hourly rate £24.49 £27.50 £26.09
% change year-on-year -10.96% +5.42% +30.43%

Objective-C
Job Vacancy Trend in the City of London

Job postings citing Objective-C as a percentage of all IT jobs advertised in the City of London.

Job vacancy trend for Objective-C in the City of London

Objective-C
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 Objective-C in the City of London.

Contractor daily rate trend for Objective-C in the City of London

Objective-C
Contractor Daily Rate Histogram in the City of London

The daily rate distribution of IT jobs citing Objective-C in the City of London over the 6 months to 21 November 2017.

Contractor daily rate histogram for Objective-C in the City of London

Objective-C
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 Objective-C in the City of London.

Contractor hourly rate trend for Objective-C in the City of London

For the 6 months to 21 November 2017, IT contractor jobs citing Objective-C 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 Objective-C.

1 47 (81.03%) Apple iOS
2 46 (79.31%) Apple Swift
3 39 (67.24%) iOS Development
3 39 (67.24%) Agile Software Development
4 32 (55.17%) TDD
5 24 (41.38%) Java
6 23 (39.66%) Continuous Integration
6 23 (39.66%) Android
6 23 (39.66%) Mobile App
7 22 (37.93%) Git (software)
8 20 (34.48%) Scrum
9 19 (32.76%) REST
10 18 (31.03%) Software Engineering
11 17 (29.31%) BDD
12 16 (27.59%) MongoDB
12 16 (27.59%) JavaScript
12 16 (27.59%) HTML
12 16 (27.59%) SQL
13 15 (25.86%) HTML5
14 14 (24.14%) Apache Cassandra
14 14 (24.14%) CSS
14 14 (24.14%) Android Development
14 14 (24.14%) React
15 13 (22.41%) Web Services
15 13 (22.41%) Finance
15 13 (22.41%) Test Automation
16 12 (20.69%) RESTful
16 12 (20.69%) MVC
16 12 (20.69%) Apple
16 12 (20.69%) React Native

Objective-C
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 (8.62%) Elasticsearch
2 4 (6.90%) Apache Spark
3 2 (3.45%) Confluence
4 1 (1.72%) Cloud Foundry
4 1 (1.72%) JBoss
4 1 (1.72%) Mule
Cloud Services
1 10 (17.24%) Amazon AWS
2 6 (10.34%) Microsoft Azure
3 5 (8.62%) Google Play
4 2 (3.45%) GitHub
4 2 (3.45%) TestFlight
5 1 (1.72%) Amazon SQS
5 1 (1.72%) PaaS
Communications & Networking
1 4 (6.90%) HTTP
2 2 (3.45%) Bluetooth
3 1 (1.72%) HTTPS
3 1 (1.72%) Internet
3 1 (1.72%) Network Security
3 1 (1.72%) NFC
Database & Business Intelligence
1 16 (27.59%) MongoDB
2 14 (24.14%) Apache Cassandra
3 10 (17.24%) CouchDB
3 10 (17.24%) MySQL
3 10 (17.24%) NoSQL
4 8 (13.79%) Redis
5 5 (8.62%) Amazon DynamoDB
5 5 (8.62%) Neo4j
5 5 (8.62%) PostgreSQL
6 3 (5.17%) SQL Server
7 2 (3.45%) Azure SQL Database
7 2 (3.45%) SQLite
8 1 (1.72%) Big Data
8 1 (1.72%) Data Mining
Development Applications
1 22 (37.93%) Git (software)
2 9 (15.52%) Jenkins
2 9 (15.52%) JIRA
3 5 (8.62%) Cucumber
3 5 (8.62%) Gradle
3 5 (8.62%) Maven
3 5 (8.62%) SonarQube
4 4 (6.90%) Xcode
5 3 (5.17%) NUnit
5 3 (5.17%) Selenium
5 3 (5.17%) Team Foundation Server
5 3 (5.17%) TestRail
6 2 (3.45%) Bitbucket
6 2 (3.45%) Crashlytics
7 1 (1.72%) Appium
7 1 (1.72%) Calabash
7 1 (1.72%) CircleCI
7 1 (1.72%) git-flow
7 1 (1.72%) ReSharper
7 1 (1.72%) SpecFlow
General
1 13 (22.41%) Finance
2 8 (13.79%) Banking
3 5 (8.62%) Publishing
4 4 (6.90%) Retail
5 3 (5.17%) Telecoms
6 2 (3.45%) Retail Banking
7 1 (1.72%) Corporate Banking
7 1 (1.72%) Games
Job Titles
1 53 (91.38%) Developer
2 26 (44.83%) iOS Developer
3 13 (22.41%) Senior Developer
4 10 (17.24%) Senior iOS Developer
5 7 (12.07%) .NET Developer
5 7 (12.07%) Java Developer
6 6 (10.34%) Mobile Developer
7 4 (6.90%) Android Developer
8 3 (5.17%) Full Stack Developer
8 3 (5.17%) iOS Android Developer
8 3 (5.17%) Node.js Developer
9 2 (3.45%) C# Developer
9 2 (3.45%) UI Developer
10 1 (1.72%) Applications Developer
10 1 (1.72%) Applications Support
10 1 (1.72%) Senior .NET Developer
10 1 (1.72%) Senior Applications Developer
10 1 (1.72%) Senior C# Developer
10 1 (1.72%) Senior Web Developer
10 1 (1.72%) Web Developer
Libraries, Frameworks & Software Standards
1 19 (32.76%) REST
2 16 (27.59%) HTML
3 15 (25.86%) HTML5
4 14 (24.14%) CSS
4 14 (24.14%) React
5 13 (22.41%) Web Services
6 12 (20.69%) React Native
6 12 (20.69%) RESTful
7 11 (18.97%) iOS SDK
7 11 (18.97%) Node.js
8 10 (17.24%) .NET
9 9 (15.52%) Redux
10 8 (13.79%) PhoneGap
11 7 (12.07%) Android SDK
11 7 (12.07%) jQuery
12 6 (10.34%) AngularJS
12 6 (10.34%) Cocoa
12 6 (10.34%) CSS3
12 6 (10.34%) Spring
12 6 (10.34%) Spring Boot
Miscellaneous
1 23 (39.66%) Mobile App
2 11 (18.97%) User Experience
3 6 (10.34%) Fintech
4 5 (8.62%) Analytical Skills
4 5 (8.62%) Greenfield Project
4 5 (8.62%) iPhone
5 4 (6.90%) Computer Science
5 4 (6.90%) iPad
5 4 (6.90%) Social Media
6 1 (1.72%) Blackberry
6 1 (1.72%) Foreign Exchange (FX)
6 1 (1.72%) Mobile Banking
6 1 (1.72%) State Machine
6 1 (1.72%) SWIFT
Operating Systems
1 47 (81.03%) Apple iOS
2 23 (39.66%) Android
3 2 (3.45%) Windows
4 1 (1.72%) Linux
Processes & Methodologies
1 39 (67.24%) Agile Software Development
1 39 (67.24%) iOS Development
2 32 (55.17%) TDD
3 23 (39.66%) Continuous Integration
4 20 (34.48%) Scrum
5 18 (31.03%) Software Engineering
6 17 (29.31%) BDD
7 14 (24.14%) Android Development
8 13 (22.41%) Test Automation
9 12 (20.69%) MVC
10 11 (18.97%) Microservices
11 10 (17.24%) DevOps
12 9 (15.52%) Domain-Driven Design
12 9 (15.52%) Mobile Application Development
13 8 (13.79%) Mobile Development
13 8 (13.79%) OO
13 8 (13.79%) Pair Programming
14 7 (12.07%) Enterprise Architecture
15 6 (10.34%) Open Source
15 6 (10.34%) SOLID
Programming Languages
1 46 (79.31%) Apple Swift
2 24 (41.38%) Java
3 16 (27.59%) JavaScript
3 16 (27.59%) SQL
4 11 (18.97%) C#
5 9 (15.52%) GraphQL
6 8 (13.79%) Python
6 8 (13.79%) Scala
7 6 (10.34%) Ruby
8 5 (8.62%) ES6
9 1 (1.72%) C
9 1 (1.72%) C++
9 1 (1.72%) Erlang
9 1 (1.72%) F#
9 1 (1.72%) Kotlin
9 1 (1.72%) PHP
Qualifications
1 3 (5.17%) Computer Science Degree
1 3 (5.17%) Degree
Quality Assurance & Compliance
1 3 (5.17%) QA
System Software
1 1 (1.72%) Docker
Systems Management
1 1 (1.72%) Terraform
Vendors
1 12 (20.69%) Apple
2 5 (8.62%) Google
3 4 (6.90%) Atlassian
4 1 (1.72%) Oracle
4 1 (1.72%) Xamarin