Period
to 22 February 2018

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 22 February 2018 with a comparison to the same period in the previous 2 years.

JetBrains Kotlin
UK
6 months to
22 Feb 2018
Same period 2017 Same period 2016
Rank 868 1161 1288
Rank change year-on-year +293 +127 -
Permanent jobs citing Kotlin 330 24 3
As % of all permanent IT jobs advertised in the UK 0.19% 0.014% 0.001%
As % of the Programming Languages category 0.34% 0.025% 0.003%
Number of salaries quoted 291 23 3
UK median annual salary £65,000 £75,000 £65,000
Median salary % change year-on-year -13.33% +15.38% -
10th Percentile £45,000 £53,000 £53,500
90th Percentile £101,250 £87,500 £81,500
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 98,013 94,176 109,473
As % of all permanent IT jobs advertised in the UK 55.67% 53.63% 52.16%
Number of salaries quoted 82,449 80,616 94,128
UK median annual salary £50,000 £47,500 £45,000
Median salary % change year-on-year +5.26% +5.56% -
10th Percentile £30,000 £28,750 £27,750
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 22 February 2018.

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 22 February 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 +277 312 £65,000 -13.33% 93
London +184 215 £70,000 -6.67% 45
UK excluding London +114 109 £55,000 +69.23% 50
North of England - 39 £50,000 - 25
Yorkshire - 24 £50,000 - 11
South East - 22 £57,500 - 8
East of England - 20 £60,000 - 5
North West - 14 £35,000 - 13
South West +14 13 £65,000 +100.00% 8
Scotland - 12 £50,000 - 2
East Midlands - 3 £55,000 - 1
Midlands - 3 £55,000 - 2
North East - 1 £40,000 - 1

For the 6 months to 22 February 2018, IT 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 permanent job ads with a requirement for Kotlin.

1 268 (81.21%) Java
2 138 (41.82%) Agile Software Development
3 136 (41.21%) Android
4 103 (31.21%) Android Development
5 94 (28.48%) Scala
6 93 (28.18%) Software Engineering
7 89 (26.97%) TDD
8 72 (21.82%) Finance
9 70 (21.21%) Docker
10 68 (20.61%) Fintech
11 66 (20.00%) Git (software)
12 62 (18.79%) Spring
13 60 (18.18%) Gradle
14 56 (16.97%) Mobile App
15 54 (16.36%) Python
15 54 (16.36%) Apple iOS
16 52 (15.76%) JavaScript
16 52 (15.76%) Microservices
17 51 (15.45%) Mentoring
17 51 (15.45%) Amazon AWS
18 49 (14.85%) RxJava
19 47 (14.24%) Jenkins
20 46 (13.94%) DevOps
21 45 (13.64%) Mobile Development
21 45 (13.64%) Multithreading
22 43 (13.03%) RESTful
22 43 (13.03%) Android SDK
23 42 (12.73%) Unit Testing
24 41 (12.42%) Apple Swift
25 39 (11.82%) User Experience

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 33 (10.00%) Elasticsearch
2 8 (2.42%) Confluence
3 4 (1.21%) Ethereum
4 3 (0.91%) CMS
4 3 (0.91%) nginx
4 3 (0.91%) Sitecore CMS
5 2 (0.61%) Apache Spark
5 2 (0.61%) Cloud Foundry
Applications
1 1 (0.30%) Spreadsheet
Business Applications
1 7 (2.12%) Distributed Ledger
2 2 (0.61%) Quorum
3 1 (0.30%) Advent Moxy
3 1 (0.30%) R3 Corda
Cloud Services
1 51 (15.45%) Amazon AWS
2 28 (8.48%) GitHub
3 22 (6.67%) Google Play
4 8 (2.42%) Firebase
4 8 (2.42%) Google Cloud Platform
4 8 (2.42%) Microsoft Azure
4 8 (2.42%) OpenShift
5 4 (1.21%) Amazon S3
5 4 (1.21%) AWS Lambda
5 4 (1.21%) Serverless
6 3 (0.91%) Amazon SQS
6 3 (0.91%) AWS CloudFormation
7 2 (0.61%) CloudFront
7 2 (0.61%) Heroku
7 2 (0.61%) npm
7 2 (0.61%) PaaS
8 1 (0.30%) Amazon Kinesis
8 1 (0.30%) Cloud Computing
8 1 (0.30%) iTunes
8 1 (0.30%) SaaS
Communications & Networking
1 15 (4.55%) HTTP
2 7 (2.12%) Internet
3 5 (1.52%) Bluetooth
4 1 (0.30%) AMQP
4 1 (0.30%) Broadband
Database & Business Intelligence
1 26 (7.88%) MongoDB
2 24 (7.27%) NoSQL
3 21 (6.36%) MySQL
4 20 (6.06%) Blockchain
5 15 (4.55%) Relational Database
6 14 (4.24%) Apache Cassandra
7 12 (3.64%) PostgreSQL
8 8 (2.42%) Hadoop
8 8 (2.42%) Hazelcast
8 8 (2.42%) RDBMS
8 8 (2.42%) SQLite
9 7 (2.12%) SQL Server
10 6 (1.82%) Big Data
11 4 (1.21%) Amazon DynamoDB
11 4 (1.21%) Amazon RDS
12 3 (0.91%) Riak
13 2 (0.61%) Neo4j
13 2 (0.61%) Redis
14 1 (0.30%) HBase
14 1 (0.30%) SSDT
Development Applications
1 66 (20.00%) Git (software)
2 60 (18.18%) Gradle
3 47 (14.24%) Jenkins
4 39 (11.82%) Maven
5 25 (7.58%) JIRA
6 23 (6.97%) Android Studio
7 13 (3.94%) JUnit
8 12 (3.64%) CocoaPods
8 12 (3.64%) Mockito
9 10 (3.03%) TeamCity
10 8 (2.42%) Ant
10 8 (2.42%) Eclipse
11 7 (2.12%) Artifactory
11 7 (2.12%) Xcode
12 6 (1.82%) Team Foundation Server
13 5 (1.52%) Bitbucket
13 5 (1.52%) Calabash
13 5 (1.52%) Subversion
13 5 (1.52%) Visual Studio
14 4 (1.21%) Crashlytics
General
1 72 (21.82%) Finance
2 24 (7.27%) Banking
3 12 (3.64%) Investment Banking
4 9 (2.73%) Games
5 7 (2.12%) Advertising
5 7 (2.12%) Marketing
6 6 (1.82%) Retail
6 6 (1.82%) Telecoms
7 5 (1.52%) Financial Institution
8 4 (1.21%) Electronics
8 4 (1.21%) Manufacturing
9 2 (0.61%) French Language
9 2 (0.61%) Front Office
10 1 (0.30%) Automotive
10 1 (0.30%) Back Office
10 1 (0.30%) Law
Job Titles
1 227 (68.79%) Developer
2 106 (32.12%) Java Developer
3 88 (26.67%) Android Developer
4 59 (17.88%) Software Engineer
5 41 (12.42%) Senior Developer
6 29 (8.79%) Java Engineer
7 27 (8.18%) Senior Java Developer
8 24 (7.27%) Senior Software Engineer
9 21 (6.36%) Java Scala Developer
9 21 (6.36%) Java Software Engineer
9 21 (6.36%) Scala Developer
9 21 (6.36%) Software Developer
10 19 (5.76%) Lead Developer
11 17 (5.15%) Mobile Developer
11 17 (5.15%) PHP Developer
12 16 (4.85%) Android Engineer
13 15 (4.55%) Full Stack Developer
14 14 (4.24%) Java Software Developer
14 14 (4.24%) Lead Android Developer
15 11 (3.33%) Architect
Libraries, Frameworks & Software Standards
1 62 (18.79%) Spring
2 49 (14.85%) RxJava
3 43 (13.03%) Android SDK
3 43 (13.03%) RESTful
4 37 (11.21%) REST
4 37 (11.21%) Web Services
5 36 (10.91%) React
6 34 (10.30%) Dagger
6 34 (10.30%) RabbitMQ
7 33 (10.00%) Node.js
7 33 (10.00%) Spring Boot
8 32 (9.70%) HTML
9 30 (9.09%) CSS
10 26 (7.88%) Kafka
11 20 (6.06%) AngularJS
12 19 (5.76%) JSON
13 18 (5.45%) Material Design
14 17 (5.15%) Reactive Extensions
14 17 (5.15%) Retrofit
15 16 (4.85%) Hibernate
Miscellaneous
1 68 (20.61%) Fintech
2 56 (16.97%) Mobile App
3 39 (11.82%) User Experience
4 24 (7.27%) Computer Science
5 23 (6.97%) Greenfield Project
6 22 (6.67%) Bitcoin
7 20 (6.06%) Algorithms
8 17 (5.15%) Data Structures
9 13 (3.94%) Analytical Skills
10 8 (2.42%) Over-the-Top Content
10 8 (2.42%) STB
11 7 (2.12%) Blog
11 7 (2.12%) Enterprise Software
12 6 (1.82%) Hedge funds
12 6 (1.82%) Social Media
13 5 (1.52%) Mobile Banking
14 4 (1.21%) Equities
15 3 (0.91%) NHS
15 3 (0.91%) Online Banking
15 3 (0.91%) Robotics
Operating Systems
1 136 (41.21%) Android
2 54 (16.36%) Apple iOS
3 18 (5.45%) Linux
4 9 (2.73%) Windows
5 3 (0.91%) CoreOS
6 2 (0.61%) Unix
7 1 (0.30%) Red Hat Enterprise Linux
Processes & Methodologies
1 138 (41.82%) Agile Software Development
2 103 (31.21%) Android Development
3 93 (28.18%) Software Engineering
4 89 (26.97%) TDD
5 52 (15.76%) Microservices
6 51 (15.45%) Mentoring
7 46 (13.94%) DevOps
8 45 (13.64%) Mobile Development
8 45 (13.64%) Multithreading
9 42 (12.73%) Unit Testing
10 37 (11.21%) Test Automation
11 35 (10.61%) BDD
12 32 (9.70%) OO
13 31 (9.39%) Scrum
14 30 (9.09%) iOS Development
15 29 (8.79%) Continuous Integration
16 28 (8.48%) MVVM
17 25 (7.58%) Front End Development
17 25 (7.58%) Open Source
18 23 (6.97%) High Availability
Programming Languages
1 268 (81.21%) Java
2 94 (28.48%) Scala
3 54 (16.36%) Python
4 52 (15.76%) JavaScript
5 41 (12.42%) Apple Swift
6 39 (11.82%) PHP
7 38 (11.52%) SQL
8 36 (10.91%) Groovy
9 30 (9.09%) Go
10 25 (7.58%) Objective-C
11 22 (6.67%) Clojure
12 17 (5.15%) C#
13 16 (4.85%) C++
14 14 (4.24%) TypeScript
15 9 (2.73%) Java 9
16 8 (2.42%) Shell Script
17 6 (1.82%) Bash Shell
17 6 (1.82%) PL/SQL
17 6 (1.82%) Ruby
18 5 (1.52%) C
Qualifications
1 28 (8.48%) Degree
2 21 (6.36%) Computer Science Degree
3 5 (1.52%) PhD
4 1 (0.30%) Numerate Degree
Quality Assurance & Compliance
1 10 (3.03%) QA
2 3 (0.91%) GCP
3 1 (0.30%) SLA
System Software
1 70 (21.21%) Docker
2 3 (0.91%) Virtual Machines
3 2 (0.61%) VMware Infrastructure
4 1 (0.30%) Active Directory
Systems Management
1 29 (8.79%) Opscode Chef
2 22 (6.67%) Kubernetes
3 19 (5.76%) Ansible
4 13 (3.94%) Puppet
5 9 (2.73%) Terraform
6 7 (2.12%) Prometheus
7 4 (1.21%) Marathon
7 4 (1.21%) Mesos
7 4 (1.21%) Rancher
8 3 (0.91%) Fluentd
8 3 (0.91%) Grafana
8 3 (0.91%) logstash
9 1 (0.30%) HockeyApp
Vendors
1 36 (10.91%) Google
2 6 (1.82%) Apple
3 4 (1.21%) SAP
4 3 (0.91%) Capita
4 3 (0.91%) Microsoft
4 3 (0.91%) Sitecore
5 2 (0.61%) Apiary
5 2 (0.61%) VMware
5 2 (0.61%) Xamarin
6 1 (0.30%) Red Hat