Period
to 26 November 2020

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 26 November 2020 with a comparison to the same period in the previous 2 years.

JetBrains Kotlin
UK
6 months to
26 Nov 2020
Same period 2019 Same period 2018
Rank 213 364 640
Rank change year-on-year +151 +276 +353
Permanent jobs citing Kotlin 850 1,140 603
As % of all permanent jobs advertised in the UK 1.55% 0.84% 0.37%
As % of the Programming Languages category 2.62% 1.56% 0.68%
Number of salaries quoted 1,012 1,073 514
Median annual salary £72,500 £67,500 £65,000
Median salary % change year-on-year +7.41% +3.85% -
10th Percentile £45,125 £37,500 £38,400
90th Percentile £116,250 £103,750 £100,000
UK excluding London median annual salary £57,500 £50,000 £55,000
% change year-on-year +15.00% -9.09% -

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 32,472 73,043 88,959
As % of all permanent IT jobs advertised in the UK 59.11% 53.79% 55.24%
Number of salaries quoted 27,809 60,246 74,097
Median annual salary £55,000 £52,500 £50,000
Median salary % change year-on-year +4.76% +5.00% -
10th Percentile £33,750 £31,250 £31,250
90th Percentile £90,000 £86,250 £83,750
UK excluding London median annual salary £50,000 £45,000 £45,000
% change year-on-year +11.11% - +5.88%

Kotlin
Job Vacancy Trend

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

Job vacancy trend for Kotlin in the UK

Kotlin
Salary Trend

3-month moving average salary quoted in jobs citing Kotlin.

Salary trend for Kotlin in the UK

Kotlin
Salary Histogram

Salary distribution for jobs citing Kotlin over the 6 months to 26 November 2020.

Salary histogram for Kotlin in the UK

Kotlin
Top 16 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 26 November 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
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
England +156 771 £74,000 +5.71% 180
London +144 604 £80,000 +10.34% 94
Work from Home +74 226 £65,000 -3.70% 41
UK excluding London +147 218 £57,500 +15.00% 98
North of England +94 86 £57,500 +10.58% 40
Scotland +71 55 £57,500 +9.52% 13
Yorkshire +59 42 £57,500 +15.00% 13
North West +97 34 £50,000 -4.76% 13
Midlands +107 31 £45,000 -10.00% 15
South East +111 24 £62,500 +19.05% 16
West Midlands +88 20 £42,500 +0.59% 9
South West +102 12 £47,500 -17.39% 8
East Midlands +76 11 £45,000 -10.00% 6
North East - 10 £60,000 - 14
East of England +108 5 £36,250 -48.21% 6
Wales +52 5 £60,000 +71.43%

For the 6 months to 26 November 2020, 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.

1 695 (81.76%) Java
2 434 (51.06%) Agile Software Development
3 296 (34.82%) JavaScript
4 290 (34.12%) Python
5 286 (33.65%) Android
6 284 (33.41%) Software Engineering
7 269 (31.65%) AWS
8 246 (28.94%) Finance
9 213 (25.06%) AngularJS
10 212 (24.94%) React
11 211 (24.82%) Microservices
12 189 (22.24%) TDD
13 187 (22.00%) Android Development
14 183 (21.53%) Web Services
15 181 (21.29%) DevOps
16 175 (20.59%) Docker
16 175 (20.59%) Scala
17 174 (20.47%) Vue.js
18 168 (19.76%) SQL
19 161 (18.94%) Kubernetes
20 150 (17.65%) Kafka
21 147 (17.29%) Apple iOS
22 146 (17.18%) Mobile App
23 141 (16.59%) TypeScript
24 133 (15.65%) Foreign Exchange (FX)
25 126 (14.82%) Terraform
26 125 (14.71%) Amazon DynamoDB
26 125 (14.71%) Asset Management
27 123 (14.47%) Equities
28 122 (14.35%) Fixed Income

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 42 (4.94%) Apache
2 23 (2.71%) Elasticsearch
3 18 (2.12%) Apache Spark
4 6 (0.71%) Confluence
5 4 (0.47%) nginx
6 1 (0.12%) Apache Airflow
6 1 (0.12%) CMS
6 1 (0.12%) Tomcat
Business Applications
1 48 (5.65%) R3 Corda
2 36 (4.24%) Distributed Ledger
3 9 (1.06%) Payment Gateway
4 3 (0.35%) Oracle Cash Management
5 1 (0.12%) Sentinel
Cloud Services
1 269 (31.65%) AWS
2 118 (13.88%) Serverless
3 117 (13.76%) Amazon EC2
3 117 (13.76%) Amazon S3
4 115 (13.53%) AWS Lambda
5 106 (12.47%) Azure
6 69 (8.12%) GCP
7 27 (3.18%) AWS CloudFormation
8 26 (3.06%) GitHub
9 20 (2.35%) SaaS
10 14 (1.65%) Google Play
11 13 (1.53%) iPaaS
12 11 (1.29%) Azure Active Directory
12 11 (1.29%) Heroku
13 10 (1.18%) Amazon CloudWatch
13 10 (1.18%) Firebase
14 9 (1.06%) Amazon SQS
14 9 (1.06%) Slack
15 6 (0.71%) BrowserStack
15 6 (0.71%) Sauce Labs
Communications & Networking
1 15 (1.76%) Bluetooth
2 6 (0.71%) DAB
3 3 (0.35%) HTTPS
3 3 (0.35%) Internet
4 2 (0.24%) HTTP
4 2 (0.24%) Wi-Fi
Database & Business Intelligence
1 125 (14.71%) Amazon DynamoDB
2 83 (9.76%) NoSQL
3 50 (5.88%) MongoDB
4 34 (4.00%) Redis
5 33 (3.88%) Apache Ignite
6 31 (3.65%) PostgreSQL
7 27 (3.18%) Blockchain
8 23 (2.71%) Relational Database
9 18 (2.12%) Hadoop
10 17 (2.00%) MySQL
11 13 (1.53%) Couchbase
11 13 (1.53%) SQL Server
12 12 (1.41%) Apache Cassandra
12 12 (1.41%) Hazelcast
13 11 (1.29%) Big Data
14 8 (0.94%) Apache Hive
15 7 (0.82%) RDBMS
16 3 (0.35%) SQLite
17 2 (0.24%) Amazon Redshift
17 2 (0.24%) BigQuery
Development Applications
1 68 (8.00%) Jenkins
2 62 (7.29%) Git (software)
3 38 (4.47%) IntelliJ
4 32 (3.76%) JIRA
5 31 (3.65%) Android Studio
6 29 (3.41%) Gradle
7 24 (2.82%) Maven
8 18 (2.12%) Appium
9 15 (1.76%) Xcode
10 14 (1.65%) CircleCI
10 14 (1.65%) Selenium
11 13 (1.53%) JUnit
12 11 (1.29%) Cucumber
13 10 (1.18%) Calabash
13 10 (1.18%) SonarQube
14 8 (0.94%) Mockito
15 7 (0.82%) TeamCity
16 6 (0.71%) Bitbucket
17 5 (0.59%) git-flow
17 5 (0.59%) GitLab
General
1 246 (28.94%) Finance
2 121 (14.24%) Front Office
3 110 (12.94%) Banking
4 53 (6.24%) Investment Banking
5 25 (2.94%) Games
5 25 (2.94%) Retail
6 18 (2.12%) Law
7 15 (1.76%) Retail Banking
8 10 (1.18%) Publishing
9 9 (1.06%) Pharmaceutical
10 8 (0.94%) French Language
11 6 (0.71%) Electronics
12 4 (0.47%) Marketing
13 2 (0.24%) Public Sector
14 1 (0.12%) Manufacturing
14 1 (0.12%) Telecoms
Job Titles
1 626 (73.65%) Developer
2 196 (23.06%) Software Engineer
3 152 (17.88%) Android Developer
4 142 (16.71%) Senior Developer
5 133 (15.65%) Java Developer
6 121 (14.24%) Developer/Software Engineer
7 118 (13.88%) Python Developer
8 99 (11.65%) Python Engineer
9 97 (11.41%) Python Software Engineer
10 66 (7.76%) Full Stack Developer
11 65 (7.65%) JavaScript Developer
12 60 (7.06%) JavaScript Engineer
13 52 (6.12%) Mobile Developer
14 48 (5.65%) Software Developer
15 45 (5.29%) Java Engineer
15 45 (5.29%) Senior Android Developer
16 43 (5.06%) Senior Java Developer
17 35 (4.12%) Android Engineer
18 30 (3.53%) Lead Developer
18 30 (3.53%) Senior Software Developer
Libraries, Frameworks & Software Standards
1 213 (25.06%) AngularJS
2 212 (24.94%) React
3 183 (21.53%) Web Services
4 174 (20.47%) Vue.js
5 150 (17.65%) Kafka
6 118 (13.88%) Node.js
7 115 (13.53%) Spring Boot
8 102 (12.00%) Spring
9 101 (11.88%) React Native
10 60 (7.06%) OAuth
11 39 (4.59%) Android SDK
12 38 (4.47%) NativeScript
13 37 (4.35%) OAuth2
13 37 (4.35%) RxJava
14 35 (4.12%) RESTful
15 34 (4.00%) HTML
16 31 (3.65%) PhoneGap
17 30 (3.53%) Apache Cordova
17 30 (3.53%) Ionic Framework
18 28 (3.29%) Spring Cloud
Miscellaneous
1 146 (17.18%) Mobile App
2 133 (15.65%) Foreign Exchange (FX)
3 123 (14.47%) Equities
4 122 (14.35%) Fixed Income
5 120 (14.12%) Derivative
6 116 (13.65%) Hedge funds
7 54 (6.35%) Greenfield Project
8 39 (4.59%) Analytical Skills
9 35 (4.12%) User Experience
10 25 (2.94%) Virtual Team
11 16 (1.88%) Mobile Banking
12 13 (1.53%) Self-Motivation
13 10 (1.18%) Algorithms
14 9 (1.06%) Video\Live Streaming
15 8 (0.94%) Public Cloud
16 7 (0.82%) Mobile Payment
17 6 (0.71%) Renewable Energy
18 5 (0.59%) Data Structures
18 5 (0.59%) GPGPU
18 5 (0.59%) Social Media
Operating Systems
1 286 (33.65%) Android
2 147 (17.29%) Apple iOS
3 29 (3.41%) Linux
4 19 (2.24%) Unix
5 3 (0.35%) Android TV
5 3 (0.35%) tvOS
Processes & Methodologies
1 434 (51.06%) Agile Software Development
2 284 (33.41%) Software Engineering
3 211 (24.82%) Microservices
4 189 (22.24%) TDD
5 187 (22.00%) Android Development
6 181 (21.29%) DevOps
7 125 (14.71%) Asset Management
8 110 (12.94%) Mobile Development
9 84 (9.88%) Fintech
10 80 (9.41%) Mentoring
11 76 (8.94%) Scrum
12 66 (7.76%) Unit Testing
13 61 (7.18%) Continuous Integration
14 55 (6.47%) Data Modelling
15 54 (6.35%) Test Automation
16 50 (5.88%) BDD
17 48 (5.65%) Pair Programming
18 47 (5.53%) Investment Management
18 47 (5.53%) Problem-Solving
19 45 (5.29%) iOS Development
Programming Languages
1 695 (81.76%) Java
2 296 (34.82%) JavaScript
3 290 (34.12%) Python
4 175 (20.59%) Scala
5 168 (19.76%) SQL
6 141 (16.59%) TypeScript
7 107 (12.59%) Apple Swift
8 98 (11.53%) Go
9 76 (8.94%) Ruby
10 71 (8.35%) Clojure
11 65 (7.65%) C#
12 62 (7.29%) C++
13 60 (7.06%) Java 8
14 50 (5.88%) Objective-C
15 36 (4.24%) PHP
16 30 (3.53%) Elixir
17 21 (2.47%) C
18 19 (2.24%) Rust
19 17 (2.00%) Erlang
19 17 (2.00%) Haskell
Qualifications
1 59 (6.94%) Degree
2 30 (3.53%) Computer Science Degree
3 5 (0.59%) Master's Degree
4 3 (0.35%) TOGAF Certification
5 1 (0.12%) AWS Certification
Quality Assurance & Compliance
1 27 (3.18%) QA
2 11 (1.29%) NIST
3 3 (0.35%) ISO 20022
3 3 (0.35%) PSD2
3 3 (0.35%) TARGET2
4 1 (0.12%) ISO 9001
4 1 (0.12%) ISO/IEC 27001
System Software
1 175 (20.59%) Docker
2 11 (1.29%) Active Directory
3 1 (0.12%) Firmware
Systems Management
1 161 (18.94%) Kubernetes
2 126 (14.82%) Terraform
3 15 (1.76%) Ansible
4 14 (1.65%) Opscode Chef
4 14 (1.65%) Prometheus
5 9 (1.06%) Puppet
6 8 (0.94%) Graphite
6 8 (0.94%) ZABBIX
7 5 (0.59%) Grafana
8 4 (0.47%) Kibana
9 3 (0.35%) Pingdom
9 3 (0.35%) Zipkin
10 2 (0.24%) AirWatch
11 1 (0.12%) EMC NetWorker
11 1 (0.12%) Packer
Vendors
1 46 (5.41%) Google
2 15 (1.76%) Apple
3 11 (1.29%) Solace
4 10 (1.18%) Xamarin
5 6 (0.71%) Oracle
6 3 (0.35%) Facebook
6 3 (0.35%) Microsoft
6 3 (0.35%) PagerDuty
7 2 (0.24%) Splunk
7 2 (0.24%) VMware
8 1 (0.12%) AppDynamics
8 1 (0.12%) Atlassian
8 1 (0.12%) SAP