Period
to 20 June 2019

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 20 June 2019 with a comparison to the same period in the previous 2 years.

JetBrains Kotlin
UK
6 months to
20 Jun 2019
Same period 2018 Same period 2017
Rank 465 691 1102
Rank change year-on-year +226 +411 +170
Permanent jobs citing Kotlin 883 556 89
As % of all permanent IT jobs advertised in the UK 0.61% 0.32% 0.052%
As % of the Programming Languages category 1.14% 0.57% 0.093%
Number of salaries quoted 704 462 85
UK median annual salary £62,500 £67,500 £72,500
Median salary % change year-on-year -7.41% -6.90% +20.83%
10th Percentile £41,250 £42,500 £46,000
90th Percentile £93,000 £109,750 £97,000
UK excluding London median annual salary £54,000 £55,000 £55,000
% change year-on-year -1.82% - -

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 77,640 96,754 95,218
As % of all permanent IT jobs advertised in the UK 54.02% 56.14% 55.21%
Number of salaries quoted 63,547 80,653 80,427
UK median annual salary £52,500 £50,000 £47,500
Median salary % change year-on-year +5.00% +5.26% +0.42%
10th Percentile £31,250 £30,000 £28,750
90th Percentile £85,000 £80,000 £76,250
UK excluding London median annual salary £45,000 £45,000 £42,000
% change year-on-year - +7.14% +5.00%

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 20 June 2019.

Salary histogram for Kotlin in the UK

Kotlin
Top 15 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 20 June 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
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
England +223 852 £62,500 -7.41% 108
London +164 513 £70,000 -6.67% 72
UK excluding London +215 367 £54,000 -1.82% 48
South East +104 117 £52,500 -8.70% 8
North of England +59 109 £52,500 - 13
North West +64 56 £55,000 +15.79% 5
Yorkshire +2 53 £50,000 -4.76% 7
East of England +95 51 £55,000 +10.00% 7
South West +35 40 £52,500 -16.00% 5
Scotland +21 22 £56,250 +18.42% 11
Midlands +61 21 £46,250 -15.91% 3
West Midlands +40 12 £37,500 +15.38% 1
East Midlands +23 9 £50,000 -9.09% 2
Wales - 6 £39,000 - 1
Northern Ireland -26 1 £37,500 -3.23%

For the 6 months to 20 June 2019, 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.

1 712 (80.63%) Java
2 484 (54.81%) Android
3 426 (48.24%) Android Development
4 418 (47.34%) Agile Software Development
5 272 (30.80%) Software Engineering
6 238 (26.95%) TDD
7 215 (24.35%) Docker
8 199 (22.54%) Microservices
9 185 (20.95%) Mobile App
10 176 (19.93%) DevOps
11 175 (19.82%) JavaScript
12 174 (19.71%) Python
13 170 (19.25%) Apple iOS
14 169 (19.14%) Git (software)
14 169 (19.14%) Kubernetes
14 169 (19.14%) Mobile Development
15 166 (18.80%) Fintech
16 155 (17.55%) Spring
17 146 (16.53%) RxJava
18 137 (15.52%) Banking
19 136 (15.40%) BDD
20 135 (15.29%) Finance
21 131 (14.84%) Continuous Integration
22 127 (14.38%) Spring Boot
23 121 (13.70%) Scala
24 120 (13.59%) Amazon AWS
25 117 (13.25%) Apple Swift
26 116 (13.14%) REST
27 106 (12.00%) Mentoring
28 105 (11.89%) iOS Development

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 47 (5.32%) Elasticsearch
2 8 (0.91%) Apache
2 8 (0.91%) Ethereum
3 7 (0.79%) Cloud Foundry
3 7 (0.79%) Confluence
4 6 (0.68%) Hyperledger
5 5 (0.57%) nginx
6 4 (0.45%) Apache Spark
6 4 (0.45%) MQSeries
6 4 (0.45%) Mule
7 3 (0.34%) CMS
7 3 (0.34%) Tomcat
8 2 (0.23%) Apache Solr
9 1 (0.11%) JBoss
Applications
1 2 (0.23%) Sketch
2 1 (0.11%) Adobe XD
2 1 (0.11%) Figma
2 1 (0.11%) Zeplin
Business Applications
1 22 (2.49%) R3 Corda
2 16 (1.81%) Distributed Ledger
Cloud Services
1 120 (13.59%) Amazon AWS
2 46 (5.21%) Microsoft Azure
3 40 (4.53%) GitHub
4 37 (4.19%) Google Cloud Platform
5 29 (3.28%) Heroku
6 21 (2.38%) Serverless
7 20 (2.27%) SaaS
8 15 (1.70%) Google Play
9 13 (1.47%) AWS Lambda
9 13 (1.47%) IaaS
9 13 (1.47%) PaaS
10 10 (1.13%) Firebase
11 6 (0.68%) Amazon ECS
12 5 (0.57%) Amazon EC2
13 4 (0.45%) AWS Fargate
13 4 (0.45%) Slack
14 3 (0.34%) Cloud Computing
14 3 (0.34%) Datadog
15 2 (0.23%) Google Analytics
15 2 (0.23%) Google Pay
Communications & Networking
1 40 (4.53%) Bluetooth
2 36 (4.08%) TCP/IP
3 14 (1.59%) Internet
4 13 (1.47%) Wireless
5 11 (1.25%) HTTP
5 11 (1.25%) RFID
6 8 (0.91%) IPFS
7 7 (0.79%) HTTPS
7 7 (0.79%) SSL
8 6 (0.68%) 5G
9 5 (0.57%) VPN
10 3 (0.34%) Intranet
11 1 (0.11%) AMQP
11 1 (0.11%) ZigBee
Database & Business Intelligence
1 71 (8.04%) MongoDB
2 65 (7.36%) NoSQL
3 57 (6.46%) MySQL
4 51 (5.78%) Blockchain
5 48 (5.44%) Redis
6 46 (5.21%) PostgreSQL
7 38 (4.30%) Big Data
8 37 (4.19%) Relational Database
9 30 (3.40%) Apache Cassandra
10 13 (1.47%) Riak
10 13 (1.47%) SQL Server
11 9 (1.02%) RDBMS
12 6 (0.68%) BigQuery
12 6 (0.68%) Hadoop
12 6 (0.68%) MariaDB
13 5 (0.57%) Amazon DynamoDB
13 5 (0.57%) Data Lake
14 4 (0.45%) Bigtable
14 4 (0.45%) NewSQL
14 4 (0.45%) SQLite
Development Applications
1 169 (19.14%) Git (software)
2 73 (8.27%) Jenkins
3 67 (7.59%) Mockito
4 66 (7.47%) Gradle
5 62 (7.02%) JUnit
6 59 (6.68%) Android Studio
7 37 (4.19%) Maven
8 32 (3.62%) GitLab
9 31 (3.51%) Vagrant
10 29 (3.28%) Cucumber
11 21 (2.38%) Selenium
12 20 (2.27%) JIRA
13 17 (1.93%) Appium
14 16 (1.81%) fastlane
15 15 (1.70%) CocoaPods
15 15 (1.70%) git-flow
15 15 (1.70%) RSpec
16 14 (1.59%) Sonatype Nexus
17 12 (1.36%) Calabash
18 11 (1.25%) Bitbucket
General
1 137 (15.52%) Banking
2 135 (15.29%) Finance
3 60 (6.80%) Retail
4 39 (4.42%) Games
5 29 (3.28%) Law
6 28 (3.17%) Electronics
7 20 (2.27%) Telecoms
8 16 (1.81%) Publishing
9 15 (1.70%) Marketing
10 14 (1.59%) Financial Institution
10 14 (1.59%) Manufacturing
11 7 (0.79%) Front Office
11 7 (0.79%) Investment Banking
12 4 (0.45%) Retail Banking
13 3 (0.34%) Automotive
13 3 (0.34%) Back Office
13 3 (0.34%) Military
13 3 (0.34%) Online Betting
14 1 (0.11%) Music Industry
Job Titles
1 648 (73.39%) Developer
2 347 (39.30%) Android Developer
3 197 (22.31%) Java Developer
4 135 (15.29%) Senior Developer
5 85 (9.63%) Software Engineer
6 65 (7.36%) Senior Java Developer
7 60 (6.80%) Senior Android Developer
8 59 (6.68%) Java Engineer
9 48 (5.44%) Java Android Developer
10 44 (4.98%) Mobile Developer
11 37 (4.19%) Java Software Engineer
12 35 (3.96%) Android Engineer
12 35 (3.96%) Architect
12 35 (3.96%) iOS Developer
13 31 (3.51%) Lead Developer
14 29 (3.28%) Full Stack Developer
15 26 (2.94%) iOS Android Developer
16 24 (2.72%) C# Developer
16 24 (2.72%) Solutions Architect
17 23 (2.60%) Python Developer
Libraries, Frameworks & Software Standards
1 155 (17.55%) Spring
2 146 (16.53%) RxJava
3 127 (14.38%) Spring Boot
4 116 (13.14%) REST
5 87 (9.85%) Kafka
5 87 (9.85%) React
6 81 (9.17%) Android SDK
7 79 (8.95%) Node.js
8 74 (8.38%) AngularJS
9 72 (8.15%) Dagger
10 69 (7.81%) HTML
11 66 (7.47%) RESTful
12 63 (7.13%) RabbitMQ
13 53 (6.00%) React Native
14 50 (5.66%) Retrofit
15 47 (5.32%) CSS
16 46 (5.21%) HTML5
16 46 (5.21%) Web Services
17 45 (5.10%) .NET
18 40 (4.53%) GraphQL
Miscellaneous
1 185 (20.95%) Mobile App
2 87 (9.85%) Greenfield Project
3 75 (8.49%) Algorithms
4 72 (8.15%) Self-Motivation
5 58 (6.57%) User Experience
6 36 (4.08%) Mobile Banking
7 28 (3.17%) Data Structures
8 20 (2.27%) Analytical Skills
9 19 (2.15%) Enterprise Software
10 18 (2.04%) iPad
11 17 (1.93%) Online Banking
12 15 (1.70%) Virtual Team
13 10 (1.13%) Social Network
14 9 (1.02%) Hedge funds
15 8 (0.91%) Linux Command Line
16 5 (0.57%) Digital Currency
16 5 (0.57%) Mobile Payment
17 4 (0.45%) Derivative
17 4 (0.45%) Equities
17 4 (0.45%) Photography
Operating Systems
1 484 (54.81%) Android
2 170 (19.25%) Apple iOS
3 35 (3.96%) Linux
4 16 (1.81%) Unix
5 6 (0.68%) Mac OS X
6 4 (0.45%) CentOS
6 4 (0.45%) Debian
6 4 (0.45%) Ubuntu
6 4 (0.45%) Windows
6 4 (0.45%) Windows Mobile
Processes & Methodologies
1 426 (48.24%) Android Development
2 418 (47.34%) Agile Software Development
3 272 (30.80%) Software Engineering
4 238 (26.95%) TDD
5 199 (22.54%) Microservices
6 176 (19.93%) DevOps
7 169 (19.14%) Mobile Development
8 166 (18.80%) Fintech
9 136 (15.40%) BDD
10 131 (14.84%) Continuous Integration
11 106 (12.00%) Mentoring
12 105 (11.89%) iOS Development
13 96 (10.87%) Open Source
14 92 (10.42%) Test Automation
15 89 (10.08%) Computer Science
16 83 (9.40%) OO
17 71 (8.04%) MVVM
18 70 (7.93%) Analytics
19 64 (7.25%) Continuous Delivery
20 62 (7.02%) Scrum
Programming Languages
1 712 (80.63%) Java
2 175 (19.82%) JavaScript
3 174 (19.71%) Python
4 121 (13.70%) Scala
5 117 (13.25%) Apple Swift
6 98 (11.10%) C++
7 96 (10.87%) C#
8 71 (8.04%) Java 8
9 64 (7.25%) Objective-C
10 63 (7.13%) TypeScript
11 58 (6.57%) C
12 54 (6.12%) SQL
13 51 (5.78%) PHP
14 47 (5.32%) Ruby
15 38 (4.30%) Go
16 33 (3.74%) ES6
17 32 (3.62%) Clojure
18 23 (2.60%) Groovy
19 20 (2.27%) Haskell
20 12 (1.36%) Perl
Qualifications
1 100 (11.33%) Degree
2 48 (5.44%) Computer Science Degree
3 22 (2.49%) Security Cleared
4 20 (2.27%) SC Cleared
5 19 (2.15%) DV Cleared
6 5 (0.57%) Master's Degree
7 4 (0.45%) AWS Certification
8 1 (0.11%) A+ Certification
8 1 (0.11%) CISSP
8 1 (0.11%) CREST Certified
8 1 (0.11%) CSSLP
8 1 (0.11%) Numerate Degree
Quality Assurance & Compliance
1 55 (6.23%) QA
System Software
1 215 (24.35%) Docker
2 31 (3.51%) VirtualBox
2 31 (3.51%) vSphere
3 2 (0.23%) Apache Flume
3 2 (0.23%) Firmware
4 1 (0.11%) Hyper-V
4 1 (0.11%) Virtual Machines
4 1 (0.11%) VMware Infrastructure
Systems Management
1 169 (19.14%) Kubernetes
2 55 (6.23%) Ansible
3 29 (3.28%) Opscode Chef
4 20 (2.27%) Mesos
4 20 (2.27%) Prometheus
5 19 (2.15%) Terraform
6 14 (1.59%) Marathon
7 9 (1.02%) Grafana
7 9 (1.02%) Packer
8 7 (0.79%) Kibana
9 6 (0.68%) Istio
10 5 (0.57%) Puppet
11 4 (0.45%) logstash
12 3 (0.34%) AirWatch
12 3 (0.34%) Graphite
12 3 (0.34%) Microsoft Intune
Vendors
1 52 (5.89%) Google
2 31 (3.51%) Samsung
3 20 (2.27%) Microsoft
4 19 (2.15%) Oracle
5 15 (1.70%) Splunk
5 15 (1.70%) Xamarin
6 14 (1.59%) AppDynamics
7 11 (1.25%) SAP
8 6 (0.68%) Bloomberg
8 6 (0.68%) Instagram
8 6 (0.68%) Twitter
9 4 (0.45%) Apple
9 4 (0.45%) Dynatrace
10 3 (0.34%) ConsenSys
10 3 (0.34%) Sawtooth Software
11 2 (0.23%) Cognizant
11 2 (0.23%) MapR
11 2 (0.23%) Reuters
12 1 (0.11%) IONA
12 1 (0.11%) VMware