Period
to 9 December 2019

The following table provides summary statistics for contract job vacancies advertised in 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 9 December 2019 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
England > Yorkshire
6 months to
9 Dec 2019
Same period 2018 Same period 2017
Rank 126 186 176
Rank change year-on-year +60 -10 -
Contract jobs citing Kotlin 35 9 14
As % of all contract IT jobs advertised in Yorkshire 1.00% 0.18% 0.32%
As % of the Programming Languages category 2.43% 0.43% 0.84%
Number of daily rates quoted 30 8 12
Yorkshire median daily rate £490 £420 £420
Median daily rate % change year-on-year +16.67% - -
10th Percentile £400 £410 £410
90th Percentile £553 £432 £474
England median daily rate £500 £525 £450
% change year-on-year -4.76% +16.67% -21.74%
Number of hourly rates quoted 0 0 0
Yorkshire median hourly rate - - -
England median hourly rate £48.85 - -

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 Yorkshire with a requirement for coding skills.

All Programming Languages
Yorkshire
Contract vacancies with a requirement for coding skills 1,443 2,103 1,658
As % of all contract IT jobs advertised in Yorkshire 41.36% 42.75% 37.48%
Number of daily rates quoted 1,012 1,479 1,226
Yorkshire median daily rate £450 £403 £400
Median daily rate % change year-on-year +11.80% +0.63% -
10th Percentile £313 £290 £288
90th Percentile £575 £538 £538
England median daily rate £488 £475 £463
% change year-on-year +2.63% +2.70% +8.82%
Number of hourly rates quoted 21 44 18
Yorkshire median hourly rate £22.55 £20.25 £40.00
Median hourly rate % change year-on-year +11.36% -49.39% +169.09%
10th Percentile £13.00 £14.56 £18.73
90th Percentile £42.50 £45.88 £41.83
England median hourly rate £43.50 £42.19 £40.00
% change year-on-year +3.11% +5.48% +3.90%

Kotlin
Job Vacancy Trend in Yorkshire

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

Job vacancy trend for Kotlin in Yorkshire

Kotlin
Contractor Daily Rate Trend in Yorkshire

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Kotlin in Yorkshire.

Contractor daily rate trend for Kotlin in Yorkshire

Kotlin
Contractor Daily Rate Histogram in Yorkshire

The daily rate distribution of IT jobs citing Kotlin in Yorkshire over the 6 months to 9 December 2019.

Contractor daily rate histogram for Kotlin in Yorkshire

Kotlin
Contract Job Locations in 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 Yorkshire region over the 6 months to 9 December 2019. 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
West Yorkshire +66 30 £480 +14.29% 11
South Yorkshire +4 4 £500 +19.05% 1
Kotlin
England

For the 6 months to 9 December 2019, 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 Yorkshire region with a requirement for Kotlin.

1 26 (74.29%) Java
2 19 (54.29%) Kafka
3 17 (48.57%) Kubernetes
4 16 (45.71%) Software Engineering
5 15 (42.86%) Microservices
6 14 (40.00%) Agile Software Development
7 12 (34.29%) DevOps
7 12 (34.29%) Scala
8 11 (31.43%) AWS
8 11 (31.43%) SQL
9 10 (28.57%) Android
9 10 (28.57%) Go
10 9 (25.71%) Docker
10 9 (25.71%) NoSQL
10 9 (25.71%) Spring
11 8 (22.86%) Python
11 8 (22.86%) Data Modelling
11 8 (22.86%) Perl
11 8 (22.86%) Node.js
11 8 (22.86%) Apache Hive
11 8 (22.86%) MongoDB
11 8 (22.86%) Apache Cassandra
11 8 (22.86%) Azure
11 8 (22.86%) Bash Shell
11 8 (22.86%) Hadoop
11 8 (22.86%) Data Architecture
11 8 (22.86%) Domain-Driven Design
11 8 (22.86%) HDFS
11 8 (22.86%) Android Development
11 8 (22.86%) Apache Spark

Kotlin
Co-occurring IT Skills in 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 8 (22.86%) Apache Spark
1 8 (22.86%) OpenStack
2 5 (14.29%) Confluence
Cloud Services
1 11 (31.43%) AWS
2 8 (22.86%) Amazon Kinesis
2 8 (22.86%) Azure
2 8 (22.86%) GCP
3 7 (20.00%) GitHub
4 3 (8.57%) Serverless
5 1 (2.86%) Amazon EC2
5 1 (2.86%) Amazon S3
5 1 (2.86%) AWS Lambda
Communications & Networking
1 5 (14.29%) HTTPS
Database & Business Intelligence
1 9 (25.71%) NoSQL
2 8 (22.86%) Apache Cassandra
2 8 (22.86%) Apache Hive
2 8 (22.86%) Big Data
2 8 (22.86%) Flink
2 8 (22.86%) Hadoop
2 8 (22.86%) HBase
2 8 (22.86%) MongoDB
3 4 (11.43%) MySQL
4 1 (2.86%) Amazon RDS
Development Applications
1 7 (20.00%) JIRA
1 7 (20.00%) JUnit
2 5 (14.29%) Mockito
3 3 (8.57%) Jenkins
4 2 (5.71%) Appium
4 2 (5.71%) Cucumber
4 2 (5.71%) FitNesse
4 2 (5.71%) GitLab
4 2 (5.71%) Gradle
4 2 (5.71%) JBehave
4 2 (5.71%) JMeter
4 2 (5.71%) REST Assured
4 2 (5.71%) Selenium
4 2 (5.71%) SonarQube
4 2 (5.71%) Sonatype Nexus
4 2 (5.71%) WebDriver
5 1 (2.86%) Git (software)
General
1 7 (20.00%) Public Sector
2 5 (14.29%) Banking
2 5 (14.29%) Finance
2 5 (14.29%) Retail Banking
Job Titles
1 14 (40.00%) Developer
2 8 (22.86%) Android Developer
2 8 (22.86%) Architect
3 7 (20.00%) Big Data Architect
3 7 (20.00%) Data Architect
4 6 (17.14%) Software Engineer
5 5 (14.29%) Java Engineer
5 5 (14.29%) Java Software Engineer
6 3 (8.57%) Java Developer
7 2 (5.71%) AWS DevOps
7 2 (5.71%) AWS DevOps Engineer
7 2 (5.71%) AWS Engineer
7 2 (5.71%) DevOps Engineer
7 2 (5.71%) Site Engineer
7 2 (5.71%) Site Reliability Engineer
8 1 (2.86%) Big Data Consultant
8 1 (2.86%) Big Data Developer
8 1 (2.86%) iOS Android Developer
8 1 (2.86%) Java Android Developer
8 1 (2.86%) Kubernetes Engineer
Libraries, Frameworks & Software Standards
1 19 (54.29%) Kafka
2 9 (25.71%) Spring
3 8 (22.86%) Node.js
3 8 (22.86%) Spring Boot
4 5 (14.29%) Dagger
4 5 (14.29%) Material Design
4 5 (14.29%) Retrofit
4 5 (14.29%) RxJava
5 3 (8.57%) RabbitMQ
6 2 (5.71%) Android SDK
6 2 (5.71%) AngularJS
6 2 (5.71%) React
6 2 (5.71%) REST
6 2 (5.71%) SOAP
6 2 (5.71%) Velocity
6 2 (5.71%) Web Services
7 1 (2.86%) iOS SDK
7 1 (2.86%) RESTful
Miscellaneous
1 8 (22.86%) Analytical Skills
1 8 (22.86%) Public Cloud
2 7 (20.00%) User Experience
3 3 (8.57%) Self-Motivation
4 2 (5.71%) Mobile App
5 1 (2.86%) Greenfield Project
Operating Systems
1 10 (28.57%) Android
2 4 (11.43%) Linux
3 3 (8.57%) Apple iOS
4 2 (5.71%) Mac OS
4 2 (5.71%) Red Hat Enterprise Linux
4 2 (5.71%) VMS
4 2 (5.71%) Windows
Processes & Methodologies
1 16 (45.71%) Software Engineering
2 15 (42.86%) Microservices
3 14 (40.00%) Agile Software Development
4 12 (34.29%) DevOps
5 8 (22.86%) Analytics
5 8 (22.86%) Android Development
5 8 (22.86%) Continuous Improvement
5 8 (22.86%) Data Analytics
5 8 (22.86%) Data Architecture
5 8 (22.86%) Data Ingestion
5 8 (22.86%) Data Modelling
5 8 (22.86%) Domain-Driven Design
6 7 (20.00%) Co-Creation
6 7 (20.00%) Data Science
6 7 (20.00%) Data Strategy
6 7 (20.00%) Pair Programming
6 7 (20.00%) TDD
7 6 (17.14%) BDD
7 6 (17.14%) TOGAF
8 5 (14.29%) Continuous Integration
Programming Languages
1 26 (74.29%) Java
2 12 (34.29%) Scala
3 11 (31.43%) SQL
4 10 (28.57%) Go
5 8 (22.86%) Bash Shell
5 8 (22.86%) Perl
5 8 (22.86%) Python
6 3 (8.57%) Apple Swift
7 2 (5.71%) JavaScript
7 2 (5.71%) PHP
7 2 (5.71%) Ruby
Qualifications
1 2 (5.71%) BPSS Clearance
System Software
1 9 (25.71%) Docker
2 8 (22.86%) HDFS
Systems Management
1 17 (48.57%) Kubernetes
2 8 (22.86%) Hadoop YARN
3 2 (5.71%) Prometheus
3 2 (5.71%) Rancher
Vendors
1 8 (22.86%) Tableau
2 2 (5.71%) Oracle
2 2 (5.71%) SaltStack
2 2 (5.71%) VMware