Period
to 28 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 28 January 2020 with a comparison to the same period in the previous 2 years.

JetBrains Kotlin
UK
6 months to
28 Jan 2020
Same period 2019 Same period 2018
Rank 321 587 939
Rank change year-on-year +266 +352 +223
Permanent jobs citing Kotlin 1,201 612 258
As % of all permanent IT jobs advertised in the UK 0.96% 0.41% 0.15%
As % of the Programming Languages category 1.77% 0.74% 0.27%
Number of salaries quoted 965 487 227
UK median annual salary £70,000 £65,000 £65,000
Median salary % change year-on-year +7.69% - -13.33%
10th Percentile £40,000 £42,500 £43,750
90th Percentile £126,250 £96,250 £99,000
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 67,956 82,938 95,690
As % of all permanent IT jobs advertised in the UK 54.09% 54.91% 55.60%
Number of salaries quoted 56,122 68,580 80,115
UK median annual salary £52,500 £52,000 £50,000
Median salary % change year-on-year +0.96% +4.00% +5.26%
10th Percentile £31,750 £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 28 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 28 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 +276 1,148 £70,000 +7.69% 237
London +217 858 £80,000 +14.29% 166
UK excluding London +171 338 £52,500 -4.55% 89
North of England +96 108 £51,000 -2.86% 27
South East +84 108 £55,000 -15.38% 19
Yorkshire +60 71 £52,500 +5.00% 12
Scotland +61 46 £57,500 +4.55% 17
North West +59 37 £50,000 -4.76% 12
Midlands +68 31 £50,000 +53.85% 8
South West +14 26 £67,500 +22.73% 3
East of England +64 25 £70,000 +16.67% 14
West Midlands +52 20 £52,000 +54.07%
East Midlands +26 11 £45,000 +57.89% 8
Northern Ireland +11 3 £40,000 +6.67% 1
Wales -2 1 £32,500 -16.67%

For the 6 months to 28 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.

1 966 (80.43%) Java
2 621 (51.71%) Agile Software Development
3 565 (47.04%) Android
4 419 (34.89%) Software Engineering
5 384 (31.97%) Android Development
6 368 (30.64%) TDD
7 364 (30.31%) AWS
8 345 (28.73%) Finance
9 336 (27.98%) JavaScript
10 314 (26.14%) Docker
11 294 (24.48%) Apple iOS
12 289 (24.06%) Mobile App
13 283 (23.56%) Python
14 280 (23.31%) Kubernetes
15 260 (21.65%) Microservices
16 246 (20.48%) DevOps
17 232 (19.32%) Banking
18 218 (18.15%) Mobile Development
19 214 (17.82%) C#
20 212 (17.65%) Mentoring
21 208 (17.32%) Git (software)
22 203 (16.90%) Open Source
23 202 (16.82%) Fintech
24 200 (16.65%) Spring
25 197 (16.40%) Continuous Integration
25 197 (16.40%) Apple Swift
26 180 (14.99%) Java 8
27 179 (14.90%) React
28 176 (14.65%) Artificial Intelligence
29 163 (13.57%) PostgreSQL

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 (3.16%) Apache Spark
2 26 (2.16%) Confluence
3 25 (2.08%) Elasticsearch
4 10 (0.83%) Apache
5 9 (0.75%) CMS
5 9 (0.75%) Sitecore CMS
5 9 (0.75%) WordPress
6 6 (0.50%) Drupal
6 6 (0.50%) Ethereum
6 6 (0.50%) nginx
6 6 (0.50%) SugarCRM
7 5 (0.42%) Hyperledger
8 4 (0.33%) Apache Airflow
8 4 (0.33%) OpenStack
9 3 (0.25%) Luigi
9 3 (0.25%) Tomcat
10 2 (0.17%) JBoss
11 1 (0.083%) Camunda
11 1 (0.083%) Cloud Foundry
11 1 (0.083%) Jupyter
Applications
1 1 (0.083%) Adobe Illustrator
1 1 (0.083%) Adobe XD
1 1 (0.083%) Zeplin
Business Applications
1 95 (7.91%) FINCAD Analytics
2 13 (1.08%) Distributed Ledger
3 5 (0.42%) Payment Gateway
4 3 (0.25%) R3 Corda
Cloud Services
1 364 (30.31%) AWS
2 163 (13.57%) Azure
3 125 (10.41%) GCP
4 67 (5.58%) GitHub
5 45 (3.75%) Amazon ECS
5 45 (3.75%) Google Play
6 44 (3.66%) SaaS
7 39 (3.25%) Amazon SQS
8 26 (2.16%) Firebase
9 18 (1.50%) Heroku
10 14 (1.17%) Amazon S3
10 14 (1.17%) Serverless
11 13 (1.08%) Amazon EC2
12 12 (1.00%) AWS Fargate
12 12 (1.00%) SonarCloud
13 10 (0.83%) Amazon Kinesis
13 10 (0.83%) AWS CloudFormation
14 9 (0.75%) AWS Lambda
15 4 (0.33%) PaaS
16 3 (0.25%) CloudFront
Communications & Networking
1 10 (0.83%) Bluetooth
2 9 (0.75%) HTTP
3 7 (0.58%) HTTPS
4 6 (0.50%) Internet
4 6 (0.50%) Wireless
5 4 (0.33%) SSL
6 3 (0.25%) VPN
Database & Business Intelligence
1 163 (13.57%) PostgreSQL
2 104 (8.66%) Amazon DynamoDB
3 96 (7.99%) Amazon Athena
4 60 (5.00%) Big Data
5 53 (4.41%) NoSQL
6 45 (3.75%) MySQL
7 36 (3.00%) Relational Database
8 35 (2.91%) Redis
9 34 (2.83%) Amazon Redshift
10 31 (2.58%) MongoDB
11 30 (2.50%) Hadoop
12 27 (2.25%) Apache Hive
13 26 (2.16%) Blockchain
14 15 (1.25%) Apache Cassandra
15 14 (1.17%) RDBMS
16 11 (0.92%) Amazon RDS
17 8 (0.67%) SQL Server
18 7 (0.58%) MariaDB
19 4 (0.33%) BigQuery
20 3 (0.25%) SAP HANA
Development Applications
1 208 (17.32%) Git (software)
2 103 (8.58%) Android Studio
3 101 (8.41%) Jenkins
4 52 (4.33%) Cucumber
5 44 (3.66%) Gradle
6 41 (3.41%) JUnit
7 37 (3.08%) JIRA
8 34 (2.83%) Bitbucket
9 30 (2.50%) Mockito
10 28 (2.33%) CircleCI
11 27 (2.25%) Appium
12 25 (2.08%) Xcode
13 22 (1.83%) Maven
14 20 (1.67%) Crashlytics
15 16 (1.33%) GitLab
16 13 (1.08%) Calabash
16 13 (1.08%) TeamCity
17 11 (0.92%) Artifactory
17 11 (0.92%) webpack
18 10 (0.83%) Gatling
General
1 345 (28.73%) Finance
2 232 (19.32%) Banking
3 135 (11.24%) Front Office
4 73 (6.08%) Retail
5 36 (3.00%) Investment Banking
6 28 (2.33%) Games
7 24 (2.00%) Telecoms
8 14 (1.17%) Brand Awareness
9 11 (0.92%) Marketing
10 9 (0.75%) Law
11 8 (0.67%) Electronics
12 6 (0.50%) Pharmaceutical
13 5 (0.42%) Financial Institution
14 4 (0.33%) Public Sector
14 4 (0.33%) Publishing
14 4 (0.33%) Retail Banking
15 3 (0.25%) Advertising
15 3 (0.25%) Back Office
16 1 (0.083%) Legal
16 1 (0.083%) Military
Job Titles
1 686 (57.12%) Developer
2 274 (22.81%) Android Developer
3 222 (18.48%) Java Developer
4 164 (13.66%) Software Engineer
5 130 (10.82%) Senior Developer
6 115 (9.58%) Java Engineer
7 97 (8.08%) Java Software Engineer
8 90 (7.49%) Android Engineer
9 69 (5.75%) Mobile Developer
10 65 (5.41%) Senior Software Engineer
11 60 (5.00%) iOS Developer
12 52 (4.33%) Senior Android Developer
13 50 (4.16%) Senior Java Engineer
14 45 (3.75%) Full Stack Developer
15 44 (3.66%) Lead Developer
15 44 (3.66%) Senior Java Developer
16 43 (3.58%) Analytics Manager
16 43 (3.58%) Senior Java Software Engineer
17 39 (3.25%) Development Manager
17 39 (3.25%) Engineering Manager
Libraries, Frameworks & Software Standards
1 200 (16.65%) Spring
2 179 (14.90%) React
3 161 (13.41%) Node.js
4 155 (12.91%) Web Services
5 154 (12.82%) REST
6 132 (10.99%) RESTful
7 129 (10.74%) Kafka
8 128 (10.66%) RxJava
9 125 (10.41%) AngularJS
10 116 (9.66%) J2EE
11 114 (9.49%) Dagger
12 105 (8.74%) Spring Boot
13 84 (6.99%) HTML
14 73 (6.08%) React Native
15 69 (5.75%) Android SDK
15 69 (5.75%) CSS
16 57 (4.75%) Redux
17 46 (3.83%) .NET
17 46 (3.83%) iOS SDK
18 36 (3.00%) HTML5
Miscellaneous
1 289 (24.06%) Mobile App
2 132 (10.99%) Fixed Income
3 130 (10.82%) Derivative
4 115 (9.58%) Hedge funds
5 78 (6.49%) Equities
6 77 (6.41%) Greenfield Project
7 74 (6.16%) User Experience
8 50 (4.16%) Foreign Exchange (FX)
9 46 (3.83%) Blog
10 37 (3.08%) Algorithms
11 33 (2.75%) Data Structures
12 30 (2.50%) Self-Motivation
13 28 (2.33%) Analytical Skills
14 25 (2.08%) Equity Derivative
14 25 (2.08%) Exotic Derivative
15 24 (2.00%) iPad
16 21 (1.75%) Cloud Native
16 21 (1.75%) Enterprise Software
17 13 (1.08%) Grid Computing
18 12 (1.00%) Social Network
Operating Systems
1 565 (47.04%) Android
2 294 (24.48%) Apple iOS
3 102 (8.49%) Linux
4 41 (3.41%) Mac OS X
5 13 (1.08%) Unix
6 10 (0.83%) 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 (0.083%) Android TV
9 1 (0.083%) tvOS
Processes & Methodologies
1 621 (51.71%) Agile Software Development
2 419 (34.89%) Software Engineering
3 384 (31.97%) Android Development
4 368 (30.64%) TDD
5 260 (21.65%) Microservices
6 246 (20.48%) DevOps
7 218 (18.15%) Mobile Development
8 212 (17.65%) Mentoring
9 203 (16.90%) Open Source
10 202 (16.82%) Fintech
11 197 (16.40%) Continuous Integration
12 176 (14.65%) Artificial Intelligence
13 137 (11.41%) Decision-Making
14 134 (11.16%) Asset Management
15 129 (10.74%) Scrum
16 127 (10.57%) Computer Science
17 126 (10.49%) BDD
18 125 (10.41%) Performance Attribution
19 118 (9.83%) iOS Development
20 115 (9.58%) Investment Management
Programming Languages
1 966 (80.43%) Java
2 336 (27.98%) JavaScript
3 283 (23.56%) Python
4 214 (17.82%) C#
5 197 (16.40%) Apple Swift
6 180 (14.99%) Java 8
7 149 (12.41%) Scala
8 128 (10.66%) C++
9 102 (8.49%) Objective-C
10 91 (7.58%) Ruby
11 87 (7.24%) SQL
12 83 (6.91%) PHP
13 77 (6.41%) TypeScript
14 48 (4.00%) Go
15 46 (3.83%) ES6
16 30 (2.50%) Clojure
17 25 (2.08%) Haskell
18 23 (1.92%) Groovy
19 18 (1.50%) C
20 17 (1.42%) Rust
Qualifications
1 108 (8.99%) Degree
2 89 (7.41%) Computer Science Degree
3 4 (0.33%) CISSP
3 4 (0.33%) 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
Quality Assurance & Compliance
1 55 (4.58%) QA
2 8 (0.67%) PCI DSS
3 2 (0.17%) GDPR
4 1 (0.083%) MiFID
4 1 (0.083%) PSD2
System Software
1 314 (26.14%) Docker
2 9 (0.75%) Firmware
3 3 (0.25%) VMware Infrastructure
3 3 (0.25%) vSphere
4 1 (0.083%) HDFS
Systems Management
1 280 (23.31%) Kubernetes
2 103 (8.58%) Terraform
3 46 (3.83%) Mesos
4 41 (3.41%) Marathon
5 32 (2.66%) Ansible
6 26 (2.16%) Grafana
6 26 (2.16%) Prometheus
7 25 (2.08%) Puppet
8 17 (1.42%) Opscode Chef
9 15 (1.25%) Kibana
10 11 (0.92%) Rancher
11 7 (0.58%) Istio
12 6 (0.50%) Docker Swarm
13 5 (0.42%) Packer
14 4 (0.33%) AirWatch
14 4 (0.33%) Microsoft Intune
15 2 (0.17%) logstash
16 1 (0.083%) Graphite
16 1 (0.083%) Hadoop YARN
16 1 (0.083%) Nagios
Vendors
1 117 (9.74%) Google
2 95 (7.91%) Bloomberg
3 14 (1.17%) Oracle
3 14 (1.17%) Xamarin
4 12 (1.00%) Dynatrace
4 12 (1.00%) Microsoft
5 9 (0.75%) Apple
5 9 (0.75%) hybris
5 9 (0.75%) Sitecore
6 6 (0.50%) IBM
6 6 (0.50%) Solace
6 6 (0.50%) Twitter
7 5 (0.42%) Instagram
8 3 (0.25%) Adobe
8 3 (0.25%) Kony
8 3 (0.25%) SAP
8 3 (0.25%) VMware
9 2 (0.17%) Appcelerator
9 2 (0.17%) Atlassian
9 2 (0.17%) Foundry