Period
to 3 April 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 3 April 2020 with a comparison to the same period in the previous 2 years.

JetBrains Kotlin
UK
6 months to
3 Apr 2020
Same period 2019 Same period 2018
Rank 292 549 824
Rank change year-on-year +257 +275 +329
Permanent jobs citing Kotlin 1,228 713 409
As % of all permanent jobs advertised in the UK 1.05% 0.48% 0.23%
As % of the Programming Languages category 1.94% 0.88% 0.41%
Number of salaries quoted 1,138 622 368
Median annual salary £70,000 £62,500 £65,000
Median salary % change year-on-year +12.00% -3.85% -10.34%
10th Percentile £42,500 £45,000 £46,250
90th Percentile £126,250 £95,000 £102,500
UK excluding London median annual salary £52,500 £52,500 £55,000
% change year-on-year - -4.55% +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 63,447 81,071 99,217
As % of all permanent IT jobs advertised in the UK 54.41% 54.69% 56.04%
Number of salaries quoted 52,313 66,755 83,630
Median annual salary £54,000 £52,500 £50,000
Median salary % change year-on-year +2.86% +5.00% +5.26%
10th Percentile £32,500 £31,250 £30,000
90th Percentile £88,750 £85,000 £78,750
UK excluding London median annual salary £45,000 £45,000 £43,500
% change year-on-year - +3.45% +3.25%

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 3 April 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 3 April 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 +251 1,170 £70,000 +12.00% 193
London +203 866 £80,000 +14.29% 110
UK excluding London +139 354 £52,500 - 97
Work from Home +65 162 £67,500 +17.39% 21
South East +106 147 £55,000 +4.76% 42
North of England +87 98 £50,000 -4.76% 17
Yorkshire +61 65 £50,000 -4.76% 5
Scotland +75 50 £57,500 +4.55% 12
North West +41 33 £50,000 -4.76% 9
South West +23 28 £47,500 -13.64% 7
Midlands +58 15 £43,500 +42.62% 6
East of England +45 14 £60,000 +9.09% 11
East Midlands +34 8 £42,500 +49.12% 4
West Midlands +54 7 £65,000 +100.00% 2
Wales -7 3 £32,500 -38.10% 1
Northern Ireland +19 2 £40,000 +6.67% 1

For the 6 months to 3 April 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.

1 995 (81.03%) Java
2 666 (54.23%) Agile Software Development
3 574 (46.74%) Android
4 453 (36.89%) Software Engineering
5 405 (32.98%) Android Development
6 390 (31.76%) TDD
7 387 (31.51%) AWS
8 380 (30.94%) JavaScript
9 346 (28.18%) Finance
10 318 (25.90%) Docker
11 313 (25.49%) Python
12 298 (24.27%) Apple iOS
13 288 (23.45%) Mobile App
14 273 (22.23%) Microservices
15 262 (21.34%) Kubernetes
16 251 (20.44%) Mobile Development
17 241 (19.63%) Banking
18 235 (19.14%) DevOps
19 228 (18.57%) C#
20 220 (17.92%) Git (software)
21 218 (17.75%) Mentoring
22 205 (16.69%) Fintech
23 196 (15.96%) Artificial Intelligence
24 193 (15.72%) Apple Swift
25 192 (15.64%) Continuous Integration
26 185 (15.07%) Node.js
27 184 (14.98%) Open Source
28 179 (14.58%) React
29 178 (14.50%) Scala
30 172 (14.01%) Web Services

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 37 (3.01%) Apache Spark
2 17 (1.38%) Apache
3 15 (1.22%) nginx
4 14 (1.14%) Elasticsearch
5 8 (0.65%) WordPress
6 7 (0.57%) Confluence
6 7 (0.57%) OpenStack
7 6 (0.49%) Ethereum
7 6 (0.49%) Hyperledger
8 2 (0.16%) CMS
8 2 (0.16%) Tomcat
9 1 (0.081%) Apache Airflow
9 1 (0.081%) Camunda
9 1 (0.081%) Cloud Foundry
9 1 (0.081%) JBoss
9 1 (0.081%) Jupyter
Business Applications
1 109 (8.88%) FINCAD Analytics
2 14 (1.14%) R3 Corda
3 8 (0.65%) Distributed Ledger
4 5 (0.41%) Payment Gateway
5 1 (0.081%) Salesforce.com CRM
Cloud Services
1 387 (31.51%) AWS
2 160 (13.03%) Azure
3 95 (7.74%) GCP
4 64 (5.21%) GitHub
5 43 (3.50%) Google Play
6 40 (3.26%) SaaS
7 37 (3.01%) Amazon ECS
8 35 (2.85%) Amazon SQS
9 20 (1.63%) Serverless
10 19 (1.55%) Heroku
11 11 (0.90%) AWS Lambda
12 10 (0.81%) Amazon S3
12 10 (0.81%) Firebase
13 7 (0.57%) AWS CloudFormation
14 6 (0.49%) Amazon EC2
14 6 (0.49%) Amazon Kinesis
15 4 (0.33%) AWS Fargate
15 4 (0.33%) SonarCloud
16 3 (0.24%) CloudFront
17 2 (0.16%) OpenShift
Communications & Networking
1 13 (1.06%) Bluetooth
2 7 (0.57%) Internet
3 4 (0.33%) HTTPS
4 3 (0.24%) HTTP
4 3 (0.24%) MQTT
5 1 (0.081%) SSL
5 1 (0.081%) Wireless
Database & Business Intelligence
1 167 (13.60%) PostgreSQL
2 118 (9.61%) Amazon DynamoDB
3 110 (8.96%) Amazon Athena
4 67 (5.46%) NoSQL
5 57 (4.64%) Big Data
6 34 (2.77%) Redis
7 31 (2.52%) Hadoop
8 30 (2.44%) Amazon Redshift
9 29 (2.36%) Apache Hive
9 29 (2.36%) MongoDB
10 25 (2.04%) MySQL
11 23 (1.87%) Blockchain
12 21 (1.71%) Relational Database
13 18 (1.47%) Apache Cassandra
14 10 (0.81%) RDBMS
15 7 (0.57%) Amazon RDS
16 3 (0.24%) MariaDB
17 2 (0.16%) Cosmos DB
17 2 (0.16%) Mixpanel
17 2 (0.16%) SQLite
Development Applications
1 220 (17.92%) Git (software)
2 124 (10.10%) Android Studio
3 85 (6.92%) Jenkins
4 61 (4.97%) Cucumber
5 42 (3.42%) Gradle
6 41 (3.34%) JUnit
7 28 (2.28%) Appium
7 28 (2.28%) Xcode
8 26 (2.12%) Mockito
9 25 (2.04%) Maven
10 22 (1.79%) Calabash
11 20 (1.63%) JIRA
11 20 (1.63%) Mercurial
12 18 (1.47%) TeamCity
13 17 (1.38%) Bitbucket
13 17 (1.38%) Subversion
14 13 (1.06%) Charles Proxy
15 10 (0.81%) CircleCI
15 10 (0.81%) Selenium
16 8 (0.65%) Atlassian Bamboo
General
1 346 (28.18%) Finance
2 241 (19.63%) Banking
3 150 (12.21%) Front Office
4 79 (6.43%) Retail
5 38 (3.09%) Investment Banking
6 26 (2.12%) Telecoms
7 21 (1.71%) Games
8 14 (1.14%) Brand Awareness
8 14 (1.14%) Electronics
9 6 (0.49%) Marketing
9 6 (0.49%) Public Sector
10 5 (0.41%) Advertising
11 4 (0.33%) Financial Institution
11 4 (0.33%) Retail Banking
12 3 (0.24%) Law
12 3 (0.24%) Publishing
13 2 (0.16%) Back Office
13 2 (0.16%) Pharmaceutical
14 1 (0.081%) Automotive
14 1 (0.081%) Corporate Banking
Job Titles
1 694 (56.51%) Developer
2 294 (23.94%) Android Developer
3 207 (16.86%) Java Developer
4 184 (14.98%) Software Engineer
5 113 (9.20%) Java Engineer
6 109 (8.88%) Android Engineer
7 106 (8.63%) Senior Developer
8 94 (7.65%) Java Software Engineer
9 79 (6.43%) Mobile Developer
10 71 (5.78%) Senior Software Engineer
11 58 (4.72%) iOS Developer
12 52 (4.23%) Senior Java Engineer
13 49 (3.99%) Senior Android Developer
14 46 (3.75%) Senior Java Software Engineer
15 43 (3.50%) Analytics Manager
16 42 (3.42%) Lead Developer
17 41 (3.34%) Development Manager
17 41 (3.34%) Engineering Manager
17 41 (3.34%) JavaScript Developer
17 41 (3.34%) React Developer
Libraries, Frameworks & Software Standards
1 185 (15.07%) Node.js
2 179 (14.58%) React
3 172 (14.01%) Spring
3 172 (14.01%) Web Services
4 153 (12.46%) REST
5 149 (12.13%) RxJava
6 137 (11.16%) Kafka
7 135 (10.99%) Dagger
8 131 (10.67%) RESTful
9 126 (10.26%) J2EE
10 120 (9.77%) AngularJS
11 84 (6.84%) HTML
12 81 (6.60%) Android SDK
13 79 (6.43%) Redux
14 77 (6.27%) CSS
14 77 (6.27%) React Native
15 68 (5.54%) Spring Boot
16 53 (4.32%) iOS SDK
17 47 (3.83%) .NET
17 47 (3.83%) JSON
Miscellaneous
1 288 (23.45%) Mobile App
2 153 (12.46%) Derivative
3 151 (12.30%) Fixed Income
4 148 (12.05%) Hedge funds
5 107 (8.71%) Greenfield Project
6 103 (8.39%) User Experience
7 64 (5.21%) Equities
8 54 (4.40%) Blog
9 44 (3.58%) Algorithms
10 37 (3.01%) Data Structures
11 34 (2.77%) Foreign Exchange (FX)
12 33 (2.69%) Analytical Skills
13 29 (2.36%) Self-Motivation
14 25 (2.04%) Equity Derivative
14 25 (2.04%) Exotic Derivative
15 20 (1.63%) Cloud Native
16 14 (1.14%) FMCG
17 9 (0.73%) Grid Computing
17 9 (0.73%) Online Banking
18 8 (0.65%) Linux Command Line
Operating Systems
1 574 (46.74%) Android
2 298 (24.27%) Apple iOS
3 82 (6.68%) Linux
4 38 (3.09%) Mac OS X
5 14 (1.14%) Unix
6 10 (0.81%) Windows
7 4 (0.33%) Embedded Linux
8 2 (0.16%) Red Hat Enterprise Linux
9 1 (0.081%) Android TV
9 1 (0.081%) Mac OS
9 1 (0.081%) tvOS
9 1 (0.081%) Windows Phone
Processes & Methodologies
1 666 (54.23%) Agile Software Development
2 453 (36.89%) Software Engineering
3 405 (32.98%) Android Development
4 390 (31.76%) TDD
5 273 (22.23%) Microservices
6 251 (20.44%) Mobile Development
7 235 (19.14%) DevOps
8 218 (17.75%) Mentoring
9 205 (16.69%) Fintech
10 196 (15.96%) Artificial Intelligence
11 192 (15.64%) Continuous Integration
12 184 (14.98%) Open Source
13 152 (12.38%) Asset Management
14 147 (11.97%) Investment Management
15 143 (11.64%) Decision-Making
16 139 (11.32%) Performance Attribution
17 129 (10.50%) Analytics
18 128 (10.42%) BDD
18 128 (10.42%) Scrum
19 126 (10.26%) iOS Development
Programming Languages
1 995 (81.03%) Java
2 380 (30.94%) JavaScript
3 313 (25.49%) Python
4 228 (18.57%) C#
5 193 (15.72%) Apple Swift
6 178 (14.50%) Scala
7 166 (13.52%) Java 8
8 145 (11.81%) C++
9 118 (9.61%) Objective-C
10 112 (9.12%) SQL
11 93 (7.57%) PHP
12 88 (7.17%) Ruby
13 70 (5.70%) TypeScript
14 48 (3.91%) Go
15 39 (3.18%) ES6
16 38 (3.09%) Clojure
17 29 (2.36%) Groovy
18 23 (1.87%) C
19 15 (1.22%) Haskell
20 13 (1.06%) Rust
Qualifications
1 96 (7.82%) Degree
2 76 (6.19%) Computer Science Degree
3 4 (0.33%) HND
4 2 (0.16%) CISSP
4 2 (0.16%) Master's Degree
4 2 (0.16%) MCSE
4 2 (0.16%) Microsoft Certification
5 1 (0.081%) DBS Check
Quality Assurance & Compliance
1 63 (5.13%) QA
2 4 (0.33%) PCI DSS
3 1 (0.081%) GDPR
System Software
1 318 (25.90%) Docker
2 14 (1.14%) Firmware
3 6 (0.49%) VMware Infrastructure
3 6 (0.49%) vSphere
4 1 (0.081%) HDFS
Systems Management
1 262 (21.34%) Kubernetes
2 123 (10.02%) Terraform
3 38 (3.09%) Marathon
3 38 (3.09%) Mesos
4 21 (1.71%) Ansible
5 16 (1.30%) Puppet
6 14 (1.14%) Prometheus
6 14 (1.14%) Rancher
7 13 (1.06%) Grafana
8 11 (0.90%) Kibana
9 9 (0.73%) Opscode Chef
10 6 (0.49%) Istio
11 3 (0.24%) Consul
12 2 (0.16%) Pingdom
13 1 (0.081%) AirWatch
13 1 (0.081%) Graphite
13 1 (0.081%) Hadoop YARN
13 1 (0.081%) Microsoft Intune
13 1 (0.081%) Nagios
Vendors
1 109 (8.88%) Bloomberg
2 90 (7.33%) Google
3 13 (1.06%) Microsoft
4 9 (0.73%) Apple
5 6 (0.49%) IBM
5 6 (0.49%) Oracle
5 6 (0.49%) Solace
5 6 (0.49%) VMware
6 5 (0.41%) Instagram
7 4 (0.33%) Dynatrace
7 4 (0.33%) Twitter
7 4 (0.33%) Xamarin
8 3 (0.24%) Splunk
8 3 (0.24%) YouTube
9 2 (0.16%) Adobe
9 2 (0.16%) Atlassian
10 1 (0.081%) Appcelerator
10 1 (0.081%) Dell
10 1 (0.081%) Salesforce.com
10 1 (0.081%) Tableau