Period
to 21 June 2018

The following table provides summary statistics for permanent job vacancies with a requirement for Core Data skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Core Data over the 6 months to 21 June 2018 with a comparison to the same period in the previous 2 years.

Apple Core Data
UK
6 months to
21 Jun 2018
Same period 2017 Same period 2016
Rank 1129 1085 986
Rank change year-on-year -44 -99 +41
Permanent jobs citing Core Data 67 110 291
As % of all permanent IT jobs advertised in the UK 0.039% 0.064% 0.14%
As % of the Libraries, Frameworks & Software Standards category 0.095% 0.16% 0.37%
Number of salaries quoted 61 120 256
UK median annual salary £50,000 £36,750 £57,500
Median salary % change year-on-year +36.05% -36.09% +15.00%
10th Percentile £37,500 £22,450 £35,000
90th Percentile £68,750 £71,250 £80,000
UK excluding London median annual salary £47,500 £25,000 £45,000
% change year-on-year +90.00% -44.44% +12.50%

Core Data is in the Software Libraries and Frameworks category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies with a requirement for technical specification, industry standards, software libraries and framework skills.

All Software Libraries and Frameworks
UK
Permanent vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 70,447 70,211 78,166
As % of all permanent IT jobs advertised in the UK 40.83% 40.69% 38.87%
Number of salaries quoted 58,887 59,424 67,534
UK median annual salary £50,000 £47,500 £47,500
Median salary % change year-on-year +5.26% - +5.56%
10th Percentile £31,250 £28,750 £28,500
90th Percentile £80,000 £76,250 £75,000
UK excluding London median annual salary £45,000 £42,500 £41,000
% change year-on-year +5.88% +3.66% +2.50%

Core Data
Job Vacancy Trend

Job postings citing Core Data as a percentage of all IT jobs advertised.

Job vacancy trend for Core Data in the UK

Core Data
Salary Trend

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing Core Data.

Salary trend for Core Data in the UK

Core Data
Salary Histogram

The salary distribution of IT jobs citing Core Data over the 6 months to 21 June 2018.

Salary histogram for Core Data in the UK

Core Data
Top 13 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Core Data within the UK over the 6 months to 21 June 2018. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
England -36 64 £48,750 +35.42% 24
UK excluding London -32 42 £47,500 +90.00% 16
London -21 25 £55,000 -8.33% 9
South East -3 11 £44,000 -2.22% 1
East of England - 10 £65,000 - 3
Midlands -8 9 £45,000 +80.00% 2
West Midlands -13 9 £45,000 +80.00% 2
North of England +8 5 £45,000 +8.43% 6
South West -5 5 £55,000 +15.79% 3
Scotland -32 3 £52,500 -4.55% 1
Yorkshire +9 2 £45,000 -14.29%
North West +2 2 £31,250 -24.70% 4
North East -25 1 £65,000 - 2

For the 6 months to 21 June 2018, IT jobs citing Core Data also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all permanent job ads with a requirement for Core Data.

1 67 (100.00%) Apple iOS
2 64 (95.52%) Apple Swift
3 59 (88.06%) iOS Development
4 52 (77.61%) Objective-C
5 34 (50.75%) Agile Software Development
6 29 (43.28%) User Experience
7 26 (38.81%) Android
8 24 (35.82%) JSON
9 22 (32.84%) CocoaPods
10 21 (31.34%) Git (software)
11 19 (28.36%) Web Services
12 18 (26.87%) Mobile Development
12 18 (26.87%) REST
13 17 (25.37%) Mobile App
13 17 (25.37%) RESTful
13 17 (25.37%) Xcode
14 16 (23.88%) TDD
14 16 (23.88%) Apple
15 15 (22.39%) Android Development
15 15 (22.39%) Java
16 13 (19.40%) Cocoa
17 12 (17.91%) Animation
17 12 (17.91%) OO
17 12 (17.91%) Core Animation
18 11 (16.42%) Smartphone
18 11 (16.42%) Kotlin
19 10 (14.93%) SDLC
19 10 (14.93%) Continuous Deployment
20 9 (13.43%) MVC
20 9 (13.43%) OOP

Core Data
Co-occurring IT Skills 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 6 (8.96%) CMS
2 5 (7.46%) Sitecore CMS
Cloud Services
1 5 (7.46%) Amazon AWS
1 5 (7.46%) AWS Lambda
1 5 (7.46%) Serverless
2 4 (5.97%) GitHub
2 4 (5.97%) Slack
2 4 (5.97%) Trello
3 3 (4.48%) Firebase
3 3 (4.48%) Google Analytics
4 2 (2.99%) SaaS
5 1 (1.49%) Google Play
5 1 (1.49%) iTunes
Communications & Networking
1 5 (7.46%) Bluetooth
1 5 (7.46%) HTTP
1 5 (7.46%) SSL
1 5 (7.46%) Wi-Fi
2 3 (4.48%) HTTPS
Database & Business Intelligence
1 2 (2.99%) Big Data
1 2 (2.99%) Blockchain
Development Applications
1 22 (32.84%) CocoaPods
2 21 (31.34%) Git (software)
3 17 (25.37%) Xcode
4 8 (11.94%) Crashlytics
5 4 (5.97%) JIRA
5 4 (5.97%) Team Foundation Server
6 3 (4.48%) Android Studio
6 3 (4.48%) git-flow
7 2 (2.99%) Appium
7 2 (2.99%) Gradle
8 1 (1.49%) Mercurial
8 1 (1.49%) Subversion
General
1 6 (8.96%) Marketing
2 2 (2.99%) Automotive
3 1 (1.49%) Advertising
Job Titles
1 67 (100.00%) Developer
2 57 (85.07%) iOS Developer
3 22 (32.84%) Senior Developer
4 16 (23.88%) Applications Developer
4 16 (23.88%) Senior iOS Developer
5 14 (20.90%) Mobile Developer
6 11 (16.42%) Lead Developer
6 11 (16.42%) Mobile Applications Developer
7 9 (13.43%) Lead iOS Developer
8 5 (7.46%) Android Developer
8 5 (7.46%) iOS Android Developer
8 5 (7.46%) Lead Android Developer
8 5 (7.46%) Objective-C Developer
8 5 (7.46%) Senior Applications Developer
8 5 (7.46%) Senior Mobile Applications Developer
8 5 (7.46%) Senior Mobile Developer
9 2 (2.99%) Graduate
9 2 (2.99%) Graduate Developer
10 1 (1.49%) Junior
10 1 (1.49%) Web Developer
Libraries, Frameworks & Software Standards
1 24 (35.82%) JSON
2 19 (28.36%) Web Services
3 18 (26.87%) REST
4 17 (25.37%) RESTful
5 13 (19.40%) Cocoa
6 12 (17.91%) Core Animation
7 9 (13.43%) Cocoa Touch
8 7 (10.45%) iOS SDK
8 7 (10.45%) UIKit
9 6 (8.96%) XML
10 5 (7.46%) CSS
10 5 (7.46%) Django
10 5 (7.46%) HTML
11 3 (4.48%) RxSwift
11 3 (4.48%) Unity (Game Engine)
12 2 (2.99%) AngularJS
12 2 (2.99%) Apache Cordova
12 2 (2.99%) CSS3
12 2 (2.99%) Ionic Framework
12 2 (2.99%) Node.js
Miscellaneous
1 29 (43.28%) User Experience
2 17 (25.37%) Mobile App
3 12 (17.91%) Animation
4 11 (16.42%) Smartphone
5 7 (10.45%) Social Media
6 5 (7.46%) Algorithms
6 5 (7.46%) Fintech
7 4 (5.97%) Greenfield Project
8 3 (4.48%) Augmented Reality
8 3 (4.48%) Computer Science
9 2 (2.99%) iPad
9 2 (2.99%) iPhone
10 1 (1.49%) SWIFT
Operating Systems
1 67 (100.00%) Apple iOS
2 26 (38.81%) Android
3 6 (8.96%) Mac OS X
Processes & Methodologies
1 59 (88.06%) iOS Development
2 34 (50.75%) Agile Software Development
3 18 (26.87%) Mobile Development
4 16 (23.88%) TDD
5 15 (22.39%) Android Development
6 12 (17.91%) OO
7 10 (14.93%) Continuous Deployment
7 10 (14.93%) SDLC
8 9 (13.43%) Analytics
8 9 (13.43%) BDD
8 9 (13.43%) Continuous Integration
8 9 (13.43%) MVC
8 9 (13.43%) OOP
9 7 (10.45%) Artificial Intelligence
9 7 (10.45%) Mentoring
10 6 (8.96%) Kanban
10 6 (8.96%) OOD
10 6 (8.96%) Push Notifications
10 6 (8.96%) Secure Coding
11 5 (7.46%) SOLID
Programming Languages
1 64 (95.52%) Apple Swift
2 52 (77.61%) Objective-C
3 15 (22.39%) Java
4 11 (16.42%) Kotlin
5 5 (7.46%) JavaScript
6 2 (2.99%) Java 8
7 1 (1.49%) PHP
Qualifications
1 2 (2.99%) Computer Science Degree
1 2 (2.99%) Degree
Quality Assurance & Compliance
1 3 (4.48%) QA
Systems Management
1 5 (7.46%) Single Sign-On
Vendors
1 16 (23.88%) Apple
2 5 (7.46%) Sitecore
3 4 (5.97%) Google
3 4 (5.97%) Mapbox
4 3 (4.48%) Xamarin
5 1 (1.49%) Microsoft