Period
to 14 July 2020

The following table provides summary statistics for contract job vacancies advertised in West Yorkshire with a requirement for Kotlin skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Kotlin over the 6 months to 14 July 2020 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.

JetBrains Kotlin
Yorkshire > West Yorkshire
6 months to
14 Jul 2020
Same period 2019 Same period 2018
Rank 74 134 156
Rank change year-on-year +60 +22 +1
Contract jobs citing Kotlin 14 10 19
As % of all contract jobs advertised in West Yorkshire 1.29% 0.37% 0.54%
As % of the Programming Languages category 3.26% 0.81% 1.10%
Number of daily rates quoted 7 6 17
Median daily rate £475 £463 £425
Median daily rate % change year-on-year +2.70% +8.82% +1.19%
10th Percentile £393 £425 £363
90th Percentile £510 £538 £513
Yorkshire median daily rate £475 £450 £423
% change year-on-year +5.56% +6.51% +0.60%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
Yorkshire median hourly rate - - -

Kotlin 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 West Yorkshire with a requirement for coding skills.

All Programming Languages
West Yorkshire
Contract vacancies with a requirement for coding skills 430 1,237 1,724
As % of all contract IT jobs advertised in West Yorkshire 39.59% 45.43% 49.21%
Number of daily rates quoted 287 806 1,196
Median daily rate £425 £425 £400
Median daily rate % change year-on-year - +6.25% -
10th Percentile £313 £313 £309
90th Percentile £584 £550 £535
Yorkshire median daily rate £425 £433 £400
% change year-on-year -1.73% +8.13% -
Number of hourly rates quoted 8 26 23
Median hourly rate £21.20 £20.86 £37.50
Median hourly rate % change year-on-year +1.64% -44.39% +37.61%
10th Percentile £14.76 £14.67 £16.40
90th Percentile £30.24 £35.00 £42.60
Median hourly rate £19.90 £22.75 £40.00
% change year-on-year -12.53% -43.13% +11.11%

Kotlin
Job Vacancy Trend in West Yorkshire

Job postings citing Kotlin as a proportion of all IT jobs advertised in West Yorkshire.

Job vacancy trend for Kotlin in West Yorkshire

Kotlin
Contractor Daily Rate Trend in West Yorkshire

3-month moving average daily rate quoted in jobs citing Kotlin in West Yorkshire.

Daily rate trend for Kotlin in West Yorkshire

Kotlin
Contract Job Locations in West Yorkshire

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Kotlin within the West Yorkshire region over the 6 months to 14 July 2020. 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
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Leeds +46 14 £475 +2.70% 2
Kotlin
Yorkshire

For the 6 months to 14 July 2020, IT contractor jobs citing Kotlin also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the West Yorkshire region with a requirement for Kotlin.

1 13 (92.86%) Java
2 8 (57.14%) Spring Boot
3 7 (50.00%) Android Development
3 7 (50.00%) Agile Software Development
3 7 (50.00%) Spring
3 7 (50.00%) Android
4 6 (42.86%) REST
5 5 (35.71%) GitHub
5 5 (35.71%) Confluence
5 5 (35.71%) Apple iOS
5 5 (35.71%) Node.js
5 5 (35.71%) Docker
5 5 (35.71%) JIRA
6 4 (28.57%) JSON
6 4 (28.57%) Git (software)
6 4 (28.57%) Test Automation
6 4 (28.57%) Maven
6 4 (28.57%) Scrum
6 4 (28.57%) Xcode
6 4 (28.57%) MySQL
6 4 (28.57%) Mentoring
6 4 (28.57%) User Experience
6 4 (28.57%) iOS Development
6 4 (28.57%) Android Studio
6 4 (28.57%) Apple Swift
6 4 (28.57%) CocoaPods
6 4 (28.57%) API Development
6 4 (28.57%) Microservices
6 4 (28.57%) AppDynamics
6 4 (28.57%) React

Kotlin
Co-occurring IT Skills in West Yorkshire 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 (35.71%) Confluence
Cloud Services
1 5 (35.71%) GitHub
2 4 (28.57%) Slack
3 2 (14.29%) Azure
3 2 (14.29%) Google Play
Communications & Networking
1 1 (7.14%) HTTPS
1 1 (7.14%) NFC
Database & Business Intelligence
1 4 (28.57%) MySQL
2 1 (7.14%) PostgreSQL
Development Applications
1 5 (35.71%) JIRA
2 4 (28.57%) Android Studio
2 4 (28.57%) CocoaPods
2 4 (28.57%) Git (software)
2 4 (28.57%) Jenkins
2 4 (28.57%) Maven
2 4 (28.57%) Sonatype Nexus
2 4 (28.57%) Xcode
3 1 (7.14%) JUnit
3 1 (7.14%) Mockito
General
1 3 (21.43%) Finance
1 3 (21.43%) Financial Institution
2 2 (14.29%) Publishing
3 1 (7.14%) Banking
Job Titles
1 12 (85.71%) Developer
2 4 (28.57%) iOS Developer
2 4 (28.57%) Java Developer
3 3 (21.43%) Android Developer
4 1 (7.14%) Architect
4 1 (7.14%) Designer
4 1 (7.14%) Lead Designer
4 1 (7.14%) Python Developer
4 1 (7.14%) Senior Designer
Libraries, Frameworks & Software Standards
1 8 (57.14%) Spring Boot
2 7 (50.00%) Spring
3 6 (42.86%) REST
4 5 (35.71%) Node.js
5 4 (28.57%) JSON
5 4 (28.57%) React
6 3 (21.43%) Kafka
6 3 (21.43%) RabbitMQ
7 2 (14.29%) Android SDK
7 2 (14.29%) Redux
8 1 (7.14%) .NET
8 1 (7.14%) .NET Core
8 1 (7.14%) Dagger
8 1 (7.14%) Django
8 1 (7.14%) Material Design
8 1 (7.14%) React Native
8 1 (7.14%) RESTful
8 1 (7.14%) Retrofit
8 1 (7.14%) RxJava
Miscellaneous
1 4 (28.57%) Mobile App
1 4 (28.57%) User Experience
2 3 (21.43%) Self-Motivation
3 2 (14.29%) Analytical Skills
3 2 (14.29%) Enterprise Software
Operating Systems
1 7 (50.00%) Android
2 5 (35.71%) Apple iOS
Processes & Methodologies
1 7 (50.00%) Agile Software Development
1 7 (50.00%) Android Development
2 4 (28.57%) API Development
2 4 (28.57%) iOS Development
2 4 (28.57%) Kanban
2 4 (28.57%) Lean UX
2 4 (28.57%) Mentoring
2 4 (28.57%) Microservices
2 4 (28.57%) Scrum
2 4 (28.57%) Test Automation
3 3 (21.43%) Change Management
3 3 (21.43%) Continuous Integration
3 3 (21.43%) Digital Transformation Programme
3 3 (21.43%) Pair Programming
3 3 (21.43%) Software Engineering
4 2 (14.29%) BDD
4 2 (14.29%) DevOps
4 2 (14.29%) Problem-Solving
4 2 (14.29%) Stakeholder Management
4 2 (14.29%) TDD
Programming Languages
1 13 (92.86%) Java
2 4 (28.57%) Apple Swift
2 4 (28.57%) Java 8
3 2 (14.29%) Objective-C
4 1 (7.14%) PHP
4 1 (7.14%) Python
System Software
1 5 (35.71%) Docker
Systems Management
1 3 (21.43%) Kubernetes
2 1 (7.14%) HockeyApp
Vendors
1 4 (28.57%) AppDynamics
1 4 (28.57%) Splunk
2 2 (14.29%) Google