Period
to 12 December 2017

The following table provides summary statistics for permanent job vacancies with a requirement for Kotlin skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Kotlin over the 6 months to 12 December 2017 with a comparison to the same period in the previous 2 years.

JetBrains Kotlin
UK
6 months to
12 Dec 2017
Same period 2016 Same period 2015
Rank 948 1203 -
Rank change year-on-year +255 - -
Permanent jobs citing Kotlin 232 29 0
As % of all permanent IT jobs advertised in the UK 0.13% 0.016% -
As % of the Programming Languages category 0.23% 0.029% -
Number of salaries quoted 206 29 0
UK median annual salary £65,000 £80,000 -
Median salary % change year-on-year -18.75% - -
UK excluding London median annual salary £55,000 £32,500 -
% change year-on-year +69.23% - -

Kotlin is in the Programming Languages category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies with a requirement for coding skills.

All Programming Languages
UK
Permanent vacancies with a requirement for coding skills 99005 98832 110864
As % of all permanent IT jobs advertised in the UK 55.19% 53.07% 51.82%
Number of salaries quoted 81764 85103 95234
UK median annual salary £50,000 £47,500 £45,000
Median salary % change year-on-year +5.26% +5.56% +2.27%
10th Percentile £29,250 £28,750 £27,500
90th Percentile £77,500 £76,250 £75,000
UK excluding London median annual salary £42,500 £42,500 £40,000
% change year-on-year - +6.25% -

Kotlin
Job Vacancy Trend

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

Job vacancy trend for Kotlin in the UK

Kotlin
Salary Trend

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

Salary trend for Kotlin in the UK

Kotlin
Salary Histogram

The salary distribution of IT jobs citing Kotlin over the 6 months to 12 December 2017.

Salary histogram for Kotlin in the UK

Kotlin
Top 13 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Kotlin within the UK over the 6 months to 12 December 2017. 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 +201 218 £65,000 -18.75% 24
London +122 153 £70,000 -12.50% 13
UK excluding London +104 73 £55,000 +69.23% 11
South West +21 25 £55,000 +69.23% 1
North of England - 25 £50,000 - 4
North West - 13 £35,000 - 3
Yorkshire - 11 £50,000 - 1
South East - 8 £52,750 - 2
Scotland - 8 - -
East of England - 6 £75,000 - 1
East Midlands - 1 £55,000 -
Midlands - 1 £55,000 - 3
North East - 1 £40,000 -

For the 6 months to 12 December 2017, IT jobs citing Kotlin also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads with a requirement for Kotlin.

1 181 (78.02%) Java
2 101 (43.53%) Android
3 93 (40.09%) Agile Software Development
4 86 (37.07%) Android Development
5 77 (33.19%) Scala
6 73 (31.47%) TDD
6 73 (31.47%) Finance
7 68 (29.31%) Software Engineering
8 56 (24.14%) Git (software)
9 54 (23.28%) Fintech
10 44 (18.97%) GitHub
11 43 (18.53%) Google
12 42 (18.10%) Gradle
13 40 (17.24%) Android SDK
14 37 (15.95%) RESTful
15 36 (15.52%) Docker
16 35 (15.09%) RxJava
16 35 (15.09%) Mentoring
16 35 (15.09%) Microservices
17 34 (14.66%) Google Play
17 34 (14.66%) Multithreading
18 33 (14.22%) MVVM
18 33 (14.22%) Mobile App
18 33 (14.22%) PHP
18 33 (14.22%) DevOps
19 32 (13.79%) Test Automation
20 31 (13.36%) Continuous Integration
20 31 (13.36%) BDD
20 31 (13.36%) Mobile Development
21 30 (12.93%) Spring

Kotlin
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 19 (8.19%) Elasticsearch
2 11 (4.74%) Confluence
3 4 (1.72%) Jetty
4 1 (0.43%) Cloud Foundry
4 1 (0.43%) CMS
4 1 (0.43%) Ethereum
4 1 (0.43%) OpenStack
4 1 (0.43%) Sitecore CMS
Business Applications
1 1 (0.43%) Advent Moxy
1 1 (0.43%) R3 Corda
Cloud Services
1 44 (18.97%) GitHub
2 34 (14.66%) Google Play
3 29 (12.50%) Amazon AWS
4 8 (3.45%) Firebase
5 5 (2.16%) OpenShift
6 4 (1.72%) Amazon S3
6 4 (1.72%) Google Cloud Platform
7 3 (1.29%) Amazon SQS
7 3 (1.29%) AWS CloudFormation
7 3 (1.29%) AWS Lambda
7 3 (1.29%) Microsoft Azure
7 3 (1.29%) Serverless
8 2 (0.86%) Amazon EC2
8 2 (0.86%) Heroku
8 2 (0.86%) PaaS
9 1 (0.43%) CloudFront
9 1 (0.43%) iTunes
9 1 (0.43%) SaaS
Communications & Networking
1 16 (6.90%) HTTP
Database & Business Intelligence
1 26 (11.21%) MongoDB
2 24 (10.34%) NoSQL
3 16 (6.90%) Apache Cassandra
3 16 (6.90%) Blockchain
4 12 (5.17%) MySQL
5 11 (4.74%) Amazon DynamoDB
5 11 (4.74%) Relational Database
6 10 (4.31%) Hazelcast
7 7 (3.02%) PostgreSQL
8 6 (2.59%) RDBMS
9 5 (2.16%) SQL Server
10 4 (1.72%) Amazon RDS
10 4 (1.72%) Hadoop
11 3 (1.29%) Mixpanel
12 2 (0.86%) InfluxDB
12 2 (0.86%) SQLite
13 1 (0.43%) Big Data
13 1 (0.43%) Data Mining
13 1 (0.43%) HBase
Development Applications
1 56 (24.14%) Git (software)
2 42 (18.10%) Gradle
3 27 (11.64%) Jenkins
4 23 (9.91%) Maven
5 22 (9.48%) JIRA
6 21 (9.05%) Android Studio
7 9 (3.88%) JUnit
8 8 (3.45%) Ant
8 8 (3.45%) Eclipse
8 8 (3.45%) Mockito
9 6 (2.59%) CocoaPods
9 6 (2.59%) TeamCity
10 5 (2.16%) Team Foundation Server
11 4 (1.72%) Bitbucket
11 4 (1.72%) Crashlytics
11 4 (1.72%) Mercurial
11 4 (1.72%) Subversion
11 4 (1.72%) Visual Studio
12 3 (1.29%) JHipster
12 3 (1.29%) Xcode
General
1 73 (31.47%) Finance
2 21 (9.05%) Banking
3 18 (7.76%) Marketing
4 17 (7.33%) Electronics
4 17 (7.33%) Manufacturing
4 17 (7.33%) Telecoms
5 8 (3.45%) Investment Banking
6 7 (3.02%) Financial Institution
7 5 (2.16%) Advertising
7 5 (2.16%) Retail
8 2 (0.86%) French Language
8 2 (0.86%) Games
8 2 (0.86%) Law
8 2 (0.86%) Legal
Job Titles
1 150 (64.66%) Developer
2 66 (28.45%) Android Developer
3 61 (26.29%) Java Developer
4 45 (19.40%) Software Engineer
5 30 (12.93%) Java Engineer
6 26 (11.21%) Java Software Engineer
7 23 (9.91%) Android Engineer
8 18 (7.76%) PHP Developer
8 18 (7.76%) Software Developer
9 17 (7.33%) Lead Developer
9 17 (7.33%) Senior Software Engineer
10 14 (6.03%) Full Stack Developer
10 14 (6.03%) Java Scala Developer
10 14 (6.03%) Lead Android Developer
10 14 (6.03%) NoSQL Developer
10 14 (6.03%) Scala Developer
11 13 (5.60%) Senior Developer
12 11 (4.74%) AWS Developer
12 11 (4.74%) Java Software Developer
12 11 (4.74%) Mobile Developer
Libraries, Frameworks & Software Standards
1 40 (17.24%) Android SDK
2 37 (15.95%) RESTful
3 35 (15.09%) RxJava
4 30 (12.93%) Spring
5 28 (12.07%) Reactive Extensions
6 27 (11.64%) REST
7 21 (9.05%) Dagger
8 20 (8.62%) Spring Boot
9 19 (8.19%) Node.js
9 19 (8.19%) RabbitMQ
10 18 (7.76%) Kafka
11 15 (6.47%) Material Design
11 15 (6.47%) React
12 14 (6.03%) Hibernate
12 14 (6.03%) Play Framework
12 14 (6.03%) Retrofit
13 12 (5.17%) AngularJS
13 12 (5.17%) XML
14 11 (4.74%) Google Maps API
14 11 (4.74%) Laravel
Miscellaneous
1 54 (23.28%) Fintech
2 33 (14.22%) Mobile App
3 23 (9.91%) User Experience
4 14 (6.03%) Bitcoin
4 14 (6.03%) Computer Science
5 12 (5.17%) Algorithms
6 10 (4.31%) Data Structures
7 8 (3.45%) Greenfield Project
7 8 (3.45%) Over-the-Top Content
7 8 (3.45%) STB
8 7 (3.02%) Enterprise Software
9 6 (2.59%) Blog
10 5 (2.16%) Mobile Banking
11 4 (1.72%) Social Media
12 3 (1.29%) Analytical Skills
12 3 (1.29%) Cloud Native
12 3 (1.29%) NHS
12 3 (1.29%) Online Banking
13 2 (0.86%) Digital Currency
13 2 (0.86%) Digital Media
Operating Systems
1 101 (43.53%) Android
2 26 (11.21%) Apple iOS
3 18 (7.76%) Linux
4 7 (3.02%) Windows
5 2 (0.86%) Red Hat Enterprise Linux
5 2 (0.86%) Unix
Processes & Methodologies
1 93 (40.09%) Agile Software Development
2 86 (37.07%) Android Development
3 73 (31.47%) TDD
4 68 (29.31%) Software Engineering
5 35 (15.09%) Mentoring
5 35 (15.09%) Microservices
6 34 (14.66%) Multithreading
7 33 (14.22%) DevOps
7 33 (14.22%) MVVM
8 32 (13.79%) Test Automation
9 31 (13.36%) BDD
9 31 (13.36%) Continuous Integration
9 31 (13.36%) Mobile Development
10 28 (12.07%) Dependency Injection
11 27 (11.64%) OOP
12 24 (10.34%) Open Source
12 24 (10.34%) Scrum
13 22 (9.48%) Unit Testing
14 20 (8.62%) Analytics
14 20 (8.62%) OO
Programming Languages
1 181 (78.02%) Java
2 77 (33.19%) Scala
3 33 (14.22%) PHP
4 28 (12.07%) Python
5 23 (9.91%) Groovy
6 22 (9.48%) Go
7 19 (8.19%) C++
8 18 (7.76%) JavaScript
9 16 (6.90%) Apple Swift
9 16 (6.90%) SQL
10 15 (6.47%) C#
11 10 (4.31%) Ruby
12 9 (3.88%) Clojure
13 8 (3.45%) Shell Script
14 7 (3.02%) C
14 7 (3.02%) Haskell
14 7 (3.02%) Objective-C
14 7 (3.02%) PL/SQL
14 7 (3.02%) TypeScript
15 4 (1.72%) ClojureScript
Qualifications
1 28 (12.07%) Degree
2 16 (6.90%) Computer Science Degree
3 2 (0.86%) PhD
4 1 (0.43%) Numerate Degree
Quality Assurance & Compliance
1 5 (2.16%) QA
2 3 (1.29%) GCP
System Software
1 36 (15.52%) Docker
2 2 (0.86%) VMware Infrastructure
3 1 (0.43%) vSphere
Systems Management
1 19 (8.19%) Ansible
2 18 (7.76%) Opscode Chef
3 9 (3.88%) Kubernetes
4 7 (3.02%) Puppet
5 4 (1.72%) Marathon
5 4 (1.72%) Mesos
6 3 (1.29%) Terraform
7 2 (0.86%) Grafana
8 1 (0.43%) HockeyApp
8 1 (0.43%) Rancher
Vendors
1 43 (18.53%) Google
2 17 (7.33%) SAP
3 3 (1.29%) Apple
4 2 (0.86%) Red Hat
4 2 (0.86%) VMware
5 1 (0.43%) Microsoft
5 1 (0.43%) Sitecore