Period
to 22 January 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 22 January 2020 with a comparison to the same period in the previous 2 years.

JetBrains Kotlin
UK
6 months to
22 Jan 2020
Same period 2019 Same period 2018
Rank 328 605 941
Rank change year-on-year +277 +336 +233
Permanent jobs citing Kotlin 1,189 612 251
As % of all permanent IT jobs advertised in the UK 0.94% 0.40% 0.14%
As % of the Programming Languages category 1.74% 0.73% 0.26%
Number of salaries quoted 959 489 221
UK median annual salary £70,000 £65,000 £65,000
Median salary % change year-on-year +7.69% - -12.75%
10th Percentile £39,750 £42,500 £43,750
90th Percentile £126,250 £96,500 £95,000
UK excluding London median annual salary £52,500 £55,000 £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 68,244 83,384 96,358
As % of all permanent IT jobs advertised in the UK 54.13% 54.91% 55.55%
Number of salaries quoted 56,351 68,982 80,468
UK median annual salary £52,500 £52,000 £50,000
Median salary % change year-on-year +0.96% +4.00% +5.26%
10th Percentile £31,500 £31,250 £29,750
90th Percentile £87,500 £85,000 £77,500
UK excluding London median annual salary £45,000 £45,000 £42,500
% change year-on-year - +5.88% -

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 January 2020.

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 22 January 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 +267 1,133 £70,000 +7.69% 248
London +225 837 £80,000 +14.29% 182
UK excluding London +193 346 £52,500 -4.55% 79
North of England +114 114 £50,000 -4.76% 27
South East +68 105 £55,000 -15.38% 16
Yorkshire +72 76 £50,000 -4.76% 10
Scotland +63 49 £57,500 +6.98% 11
North West +57 38 £50,000 -4.76% 13
Midlands +70 33 £50,000 +53.85% 9
South West +2 26 £68,750 +25.00% 3
East of England +56 24 £70,000 +19.15% 11
West Midlands +45 21 £51,500 +52.59% 1
East Midlands +33 12 £47,500 +66.67% 8
Northern Ireland +9 3 £40,000 +6.67% 1
Wales -1 1 £32,500 -16.67% 1

For the 6 months to 22 January 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.

1 952 (80.07%) Java
2 605 (50.88%) Agile Software Development
3 564 (47.43%) Android
4 417 (35.07%) Software Engineering
5 387 (32.55%) Android Development
6 359 (30.19%) TDD
7 353 (29.69%) AWS
8 335 (28.17%) Finance
9 327 (27.50%) JavaScript
10 310 (26.07%) Docker
11 295 (24.81%) Apple iOS
12 281 (23.63%) Mobile App
13 280 (23.55%) Python
14 278 (23.38%) Kubernetes
15 258 (21.70%) Microservices
16 241 (20.27%) DevOps
17 220 (18.50%) Mobile Development
18 218 (18.33%) Banking
19 212 (17.83%) C#
20 207 (17.41%) Git (software)
21 206 (17.33%) Mentoring
22 201 (16.90%) Open Source
23 200 (16.82%) Spring
24 197 (16.57%) Continuous Integration
25 196 (16.48%) Fintech
26 192 (16.15%) Apple Swift
27 180 (15.14%) Java 8
28 175 (14.72%) React
29 169 (14.21%) Artificial Intelligence
30 161 (13.54%) Azure

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 38 (3.20%) Apache Spark
2 26 (2.19%) Confluence
3 25 (2.10%) Elasticsearch
4 10 (0.84%) Apache
5 9 (0.76%) CMS
5 9 (0.76%) Sitecore CMS
5 9 (0.76%) WordPress
6 6 (0.50%) Drupal
6 6 (0.50%) nginx
6 6 (0.50%) SugarCRM
7 5 (0.42%) Ethereum
7 5 (0.42%) Hyperledger
8 4 (0.34%) Apache Airflow
8 4 (0.34%) OpenStack
9 3 (0.25%) Luigi
9 3 (0.25%) Tomcat
10 2 (0.17%) JBoss
11 1 (0.084%) Camunda
11 1 (0.084%) Cloud Foundry
11 1 (0.084%) Jupyter
Applications
1 1 (0.084%) Adobe Illustrator
1 1 (0.084%) Adobe XD
1 1 (0.084%) Zeplin
Business Applications
1 89 (7.49%) FINCAD Analytics
2 13 (1.09%) Distributed Ledger
3 5 (0.42%) Payment Gateway
4 3 (0.25%) R3 Corda
Cloud Services
1 353 (29.69%) AWS
2 161 (13.54%) Azure
3 122 (10.26%) GCP
4 65 (5.47%) GitHub
5 45 (3.78%) Amazon ECS
5 45 (3.78%) Google Play
6 43 (3.62%) SaaS
7 39 (3.28%) Amazon SQS
8 27 (2.27%) Firebase
9 17 (1.43%) Heroku
10 14 (1.18%) Amazon S3
10 14 (1.18%) Serverless
11 13 (1.09%) Amazon EC2
12 12 (1.01%) AWS Fargate
12 12 (1.01%) SonarCloud
13 10 (0.84%) Amazon Kinesis
13 10 (0.84%) AWS CloudFormation
14 9 (0.76%) AWS Lambda
15 4 (0.34%) PaaS
16 3 (0.25%) Google Analytics
Communications & Networking
1 11 (0.93%) Bluetooth
2 9 (0.76%) HTTP
3 7 (0.59%) HTTPS
3 7 (0.59%) Wireless
4 5 (0.42%) Internet
5 4 (0.34%) SSL
6 3 (0.25%) VPN
Database & Business Intelligence
1 155 (13.04%) PostgreSQL
2 99 (8.33%) Amazon DynamoDB
3 90 (7.57%) Amazon Athena
4 60 (5.05%) Big Data
5 54 (4.54%) NoSQL
6 47 (3.95%) MySQL
7 36 (3.03%) Relational Database
8 35 (2.94%) Redis
9 34 (2.86%) Amazon Redshift
10 32 (2.69%) MongoDB
11 30 (2.52%) Hadoop
12 27 (2.27%) Apache Hive
13 25 (2.10%) Blockchain
14 16 (1.35%) Apache Cassandra
15 14 (1.18%) RDBMS
16 11 (0.93%) Amazon RDS
17 9 (0.76%) SQL Server
18 8 (0.67%) MariaDB
19 4 (0.34%) BigQuery
20 3 (0.25%) SAP HANA
Development Applications
1 207 (17.41%) Git (software)
2 102 (8.58%) Jenkins
3 100 (8.41%) Android Studio
4 48 (4.04%) Cucumber
5 43 (3.62%) Gradle
6 41 (3.45%) JUnit
7 37 (3.11%) JIRA
8 35 (2.94%) Bitbucket
9 30 (2.52%) Mockito
10 26 (2.19%) CircleCI
11 25 (2.10%) Appium
12 24 (2.02%) Xcode
13 21 (1.77%) Crashlytics
13 21 (1.77%) Maven
14 16 (1.35%) GitLab
15 13 (1.09%) Calabash
15 13 (1.09%) TeamCity
16 11 (0.93%) Artifactory
16 11 (0.93%) webpack
17 10 (0.84%) Gatling
General
1 335 (28.17%) Finance
2 218 (18.33%) Banking
3 130 (10.93%) Front Office
4 68 (5.72%) Retail
5 35 (2.94%) Investment Banking
6 29 (2.44%) Games
7 22 (1.85%) Telecoms
8 13 (1.09%) Brand Awareness
9 12 (1.01%) Marketing
10 9 (0.76%) Law
11 8 (0.67%) Electronics
12 6 (0.50%) Pharmaceutical
13 5 (0.42%) Financial Institution
14 4 (0.34%) Public Sector
14 4 (0.34%) Publishing
14 4 (0.34%) Retail Banking
15 3 (0.25%) Advertising
15 3 (0.25%) Back Office
16 2 (0.17%) Legal
17 1 (0.084%) Aerospace
Job Titles
1 689 (57.95%) Developer
2 277 (23.30%) Android Developer
3 224 (18.84%) Java Developer
4 167 (14.05%) Software Engineer
5 129 (10.85%) Senior Developer
6 116 (9.76%) Java Engineer
7 98 (8.24%) Java Software Engineer
8 87 (7.32%) Android Engineer
9 73 (6.14%) Mobile Developer
10 63 (5.30%) Senior Software Engineer
11 60 (5.05%) iOS Developer
12 52 (4.37%) Senior Android Developer
13 48 (4.04%) Lead Developer
13 48 (4.04%) Senior Java Engineer
14 45 (3.78%) Full Stack Developer
15 42 (3.53%) Senior Java Developer
16 41 (3.45%) Analytics Manager
16 41 (3.45%) Senior Java Software Engineer
17 37 (3.11%) Development Manager
17 37 (3.11%) Engineering Manager
Libraries, Frameworks & Software Standards
1 200 (16.82%) Spring
2 175 (14.72%) React
3 160 (13.46%) Node.js
4 152 (12.78%) REST
5 149 (12.53%) Web Services
6 129 (10.85%) Kafka
6 129 (10.85%) RESTful
7 127 (10.68%) AngularJS
8 125 (10.51%) RxJava
9 110 (9.25%) Dagger
9 110 (9.25%) J2EE
10 109 (9.17%) Spring Boot
11 84 (7.06%) HTML
12 69 (5.80%) CSS
13 68 (5.72%) Android SDK
13 68 (5.72%) React Native
14 54 (4.54%) Redux
15 49 (4.12%) .NET
16 46 (3.87%) iOS SDK
17 36 (3.03%) HTML5
Miscellaneous
1 281 (23.63%) Mobile App
2 127 (10.68%) Fixed Income
3 123 (10.34%) Derivative
4 109 (9.17%) Hedge funds
5 77 (6.48%) Equities
6 75 (6.31%) Greenfield Project
7 72 (6.06%) User Experience
8 51 (4.29%) Foreign Exchange (FX)
9 45 (3.78%) Blog
10 39 (3.28%) Algorithms
11 35 (2.94%) Data Structures
11 35 (2.94%) Self-Motivation
12 28 (2.35%) Analytical Skills
13 25 (2.10%) Equity Derivative
13 25 (2.10%) Exotic Derivative
14 24 (2.02%) iPad
15 21 (1.77%) Enterprise Software
16 20 (1.68%) Cloud Native
17 14 (1.18%) Social Network
18 13 (1.09%) Grid Computing
Operating Systems
1 564 (47.43%) Android
2 295 (24.81%) Apple iOS
3 98 (8.24%) Linux
4 39 (3.28%) Mac OS X
5 12 (1.01%) Unix
6 10 (0.84%) Windows
7 8 (0.67%) Embedded Linux
8 2 (0.17%) CentOS
8 2 (0.17%) Debian
8 2 (0.17%) Red Hat Enterprise Linux
8 2 (0.17%) Ubuntu
9 1 (0.084%) Android TV
9 1 (0.084%) tvOS
Processes & Methodologies
1 605 (50.88%) Agile Software Development
2 417 (35.07%) Software Engineering
3 387 (32.55%) Android Development
4 359 (30.19%) TDD
5 258 (21.70%) Microservices
6 241 (20.27%) DevOps
7 220 (18.50%) Mobile Development
8 206 (17.33%) Mentoring
9 201 (16.90%) Open Source
10 197 (16.57%) Continuous Integration
11 196 (16.48%) Fintech
12 169 (14.21%) Artificial Intelligence
13 130 (10.93%) Decision-Making
14 129 (10.85%) Asset Management
15 128 (10.77%) Scrum
16 126 (10.60%) BDD
16 126 (10.60%) Computer Science
17 120 (10.09%) iOS Development
18 119 (10.01%) Performance Attribution
19 109 (9.17%) Investment Management
Programming Languages
1 952 (80.07%) Java
2 327 (27.50%) JavaScript
3 280 (23.55%) Python
4 212 (17.83%) C#
5 192 (16.15%) Apple Swift
6 180 (15.14%) Java 8
7 145 (12.20%) Scala
8 124 (10.43%) C++
9 99 (8.33%) Objective-C
10 89 (7.49%) Ruby
11 86 (7.23%) SQL
12 84 (7.06%) PHP
13 73 (6.14%) TypeScript
14 46 (3.87%) ES6
15 44 (3.70%) Go
16 29 (2.44%) Clojure
17 27 (2.27%) Haskell
18 22 (1.85%) Groovy
19 19 (1.60%) Rust
20 17 (1.43%) C
Qualifications
1 109 (9.17%) Degree
2 88 (7.40%) Computer Science Degree
3 4 (0.34%) CISSP
3 4 (0.34%) DBS Check
4 3 (0.25%) AWS Certification
5 2 (0.17%) CREST Certified
5 2 (0.17%) CSSLP
5 2 (0.17%) MCSE
5 2 (0.17%) Microsoft Certification
5 2 (0.17%) Sun Certification
6 1 (0.084%) DV Cleared
6 1 (0.084%) SC Cleared
6 1 (0.084%) Security Cleared
Quality Assurance & Compliance
1 55 (4.63%) QA
2 8 (0.67%) PCI DSS
3 2 (0.17%) GDPR
4 1 (0.084%) MiFID
4 1 (0.084%) PSD2
System Software
1 310 (26.07%) Docker
2 9 (0.76%) Firmware
3 3 (0.25%) VMware Infrastructure
3 3 (0.25%) vSphere
4 1 (0.084%) HDFS
Systems Management
1 278 (23.38%) Kubernetes
2 101 (8.49%) Terraform
3 44 (3.70%) Mesos
4 39 (3.28%) Marathon
5 31 (2.61%) Ansible
6 26 (2.19%) Grafana
6 26 (2.19%) Prometheus
7 25 (2.10%) Puppet
8 17 (1.43%) Opscode Chef
9 15 (1.26%) Kibana
10 11 (0.93%) Rancher
11 8 (0.67%) Istio
12 6 (0.50%) Docker Swarm
13 5 (0.42%) Packer
14 4 (0.34%) AirWatch
14 4 (0.34%) Microsoft Intune
15 2 (0.17%) logstash
16 1 (0.084%) Graphite
16 1 (0.084%) Hadoop YARN
16 1 (0.084%) Nagios
Vendors
1 116 (9.76%) Google
2 89 (7.49%) Bloomberg
3 15 (1.26%) Oracle
3 15 (1.26%) Xamarin
4 12 (1.01%) Dynatrace
5 10 (0.84%) Microsoft
6 9 (0.76%) Apple
6 9 (0.76%) hybris
6 9 (0.76%) Sitecore
7 6 (0.50%) IBM
7 6 (0.50%) Solace
7 6 (0.50%) Twitter
8 5 (0.42%) Instagram
9 3 (0.25%) Adobe
9 3 (0.25%) Kony
9 3 (0.25%) SAP
9 3 (0.25%) VMware
10 2 (0.17%) Appcelerator
10 2 (0.17%) Foundry
10 2 (0.17%) Tableau