Period
to 7 March 2021

The following table provides summary statistics for permanent job vacancies advertised in England 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 7 March 2021 with a comparison to the same period in the previous 2 years.

JetBrains Kotlin
UK > England
6 months to
7 Mar 2021
Same period 2020 Same period 2019
Rank 243 303 561
Rank change year-on-year +60 +258 +288
Permanent jobs citing Kotlin 913 1,140 643
As % of all permanent jobs advertised in England 1.35% 1.02% 0.47%
As % of the Programming Languages category 2.37% 1.88% 0.85%
Number of salaries quoted 943 1,046 552
Median annual salary £70,000 £72,500 £62,500
Median salary % change year-on-year -3.45% +16.00% -3.85%
10th Percentile £46,250 £41,250 £45,000
90th Percentile £114,400 £126,250 £95,000
UK median annual salary £70,000 £70,000 £62,500
% change year-on-year - +12.00% -3.85%

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 advertised in England with a requirement for coding skills.

All Programming Languages
England
Permanent vacancies with a requirement for coding skills 38,457 60,517 75,689
As % of all permanent IT jobs advertised in England 56.75% 54.02% 54.92%
Number of salaries quoted 32,213 50,851 63,875
Median annual salary £57,500 £55,000 £52,500
Median salary % change year-on-year +4.55% +4.76% +5.00%
10th Percentile £33,750 £32,500 £31,250
90th Percentile £91,250 £90,000 £85,000
UK median annual salary £55,000 £52,500 £52,500
% change year-on-year +4.76% - +5.00%

Kotlin
Job Vacancy Trend in England

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

Job vacancy trend for Kotlin in England

Kotlin
Salary Trend in England

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

Salary trend for Kotlin in England

Kotlin
Salary Histogram in England

Salary distribution for jobs citing Kotlin in England over the 6 months to 7 March 2021.

Salary histogram for Kotlin in England

Kotlin
Job Locations in England

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Kotlin within the England region over the 6 months to 7 March 2021. 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
London +66 641 £80,000 - 158
North of England +80 123 £57,500 +15.00% 33
Yorkshire +28 68 £57,500 +15.00% 6
Midlands +61 44 £47,500 -8.65% 9
South West +52 44 £50,000 -14.89% 13
North West +66 43 £57,500 +15.00% 19
South East +37 38 £57,500 +4.55% 15
East Midlands +56 28 £47,500 +11.76% 1
West Midlands +34 16 £50,000 -24.53% 8
North East - 12 £60,000 - 8
East of England +62 3 - - 20
Kotlin
UK

For the 6 months to 7 March 2021, 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 across the England region with a requirement for Kotlin.

1 740 (81.05%) Java
2 461 (50.49%) Agile Software Development
3 342 (37.46%) JavaScript
4 339 (37.13%) AWS
5 323 (35.38%) Software Engineering
6 314 (34.39%) Android
7 294 (32.20%) Python
8 267 (29.24%) TDD
9 256 (28.04%) React
10 237 (25.96%) AngularJS
11 234 (25.63%) DevOps
12 223 (24.42%) Scala
13 222 (24.32%) Finance
13 222 (24.32%) Docker
14 200 (21.91%) Android Development
14 200 (21.91%) Microservices
15 194 (21.25%) Spring
15 194 (21.25%) Kubernetes
16 192 (21.03%) TypeScript
17 179 (19.61%) Vue.js
18 174 (19.06%) Mobile App
19 164 (17.96%) Kafka
20 155 (16.98%) Node.js
21 148 (16.21%) SQL
22 145 (15.88%) GCP
23 139 (15.22%) Spring Boot
23 139 (15.22%) Apple iOS
24 135 (14.79%) C#
25 131 (14.35%) Azure
26 129 (14.13%) Terraform

Kotlin
Co-occurring IT Skills in England 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 55 (6.02%) Apache
2 36 (3.94%) Elasticsearch
3 22 (2.41%) Apache Spark
4 16 (1.75%) Confluence
5 5 (0.55%) CMS
6 4 (0.44%) Apache Pulsar
6 4 (0.44%) Headless CMS
6 4 (0.44%) nginx
6 4 (0.44%) WordPress
7 3 (0.33%) Ethereum
8 1 (0.11%) Apache Airflow
8 1 (0.11%) Tomcat
Applications
1 17 (1.86%) InVision
1 17 (1.86%) Sketch
2 5 (0.55%) Adobe XD
3 4 (0.44%) Adobe Illustrator
3 4 (0.44%) Photoshop
4 3 (0.33%) Figma
5 1 (0.11%) Adobe Creative Suite
Business Applications
1 14 (1.53%) R3 Corda
2 4 (0.44%) Distributed Ledger
2 4 (0.44%) Payment Gateway
3 1 (0.11%) Dynamics NAV
3 1 (0.11%) Oracle Cash Management
3 1 (0.11%) Oracle Receivables
3 1 (0.11%) Sentinel
Cloud Services
1 339 (37.13%) AWS
2 145 (15.88%) GCP
3 131 (14.35%) Azure
4 94 (10.30%) Amazon EC2
5 92 (10.08%) Amazon S3
6 90 (9.86%) Serverless
7 86 (9.42%) AWS Lambda
8 75 (8.21%) AWS CloudFormation
9 23 (2.52%) GitHub
10 22 (2.41%) Amazon CloudWatch
11 20 (2.19%) Firebase
12 19 (2.08%) SaaS
13 10 (1.10%) Amazon SQS
14 8 (0.88%) BrowserStack
14 8 (0.88%) Sauce Labs
15 7 (0.77%) Google Play
15 7 (0.77%) Heroku
16 6 (0.66%) Amazon ECS
17 5 (0.55%) AWS Elastic Beanstalk
17 5 (0.55%) Slack
Communications & Networking
1 10 (1.10%) DAB
2 7 (0.77%) Bluetooth
3 4 (0.44%) HTTP
4 3 (0.33%) HTTPS
4 3 (0.33%) Wi-Fi
5 2 (0.22%) MQTT
5 2 (0.22%) NFC
5 2 (0.22%) RFID
6 1 (0.11%) Internet
6 1 (0.11%) Network Security
6 1 (0.11%) VoIP
Database & Business Intelligence
1 98 (10.73%) Amazon DynamoDB
2 87 (9.53%) NoSQL
3 66 (7.23%) MongoDB
4 61 (6.68%) PostgreSQL
5 39 (4.27%) MySQL
6 33 (3.61%) Apache Ignite
7 31 (3.40%) Redis
8 26 (2.85%) Relational Database
9 23 (2.52%) Hadoop
10 20 (2.19%) SQLite
11 17 (1.86%) Big Data
12 15 (1.64%) Apache Hive
13 9 (0.99%) Apache Cassandra
13 9 (0.99%) Couchbase
14 8 (0.88%) Blockchain
14 8 (0.88%) Hazelcast
15 7 (0.77%) RDBMS
16 6 (0.66%) Amazon RDS
17 4 (0.44%) NewSQL
18 2 (0.22%) SQL Server
Development Applications
1 99 (10.84%) Git (software)
2 81 (8.87%) Jenkins
3 43 (4.71%) Gradle
4 35 (3.83%) JIRA
5 34 (3.72%) Android Studio
6 29 (3.18%) Selenium
7 27 (2.96%) Maven
8 23 (2.52%) Cypress.io
9 22 (2.41%) Appium
10 19 (2.08%) JUnit
11 18 (1.97%) Xcode
12 16 (1.75%) PostCSS
13 14 (1.53%) CircleCI
14 13 (1.42%) Calabash
15 12 (1.31%) Cucumber
15 12 (1.31%) SonarQube
16 10 (1.10%) IntelliJ
16 10 (1.10%) webpack
17 9 (0.99%) Mockito
18 8 (0.88%) Jasmine
General
1 222 (24.32%) Finance
2 101 (11.06%) Front Office
3 70 (7.67%) Banking
4 40 (4.38%) Games
5 26 (2.85%) Investment Banking
6 25 (2.74%) Retail
7 14 (1.53%) Law
8 13 (1.42%) Electronics
9 12 (1.31%) Publishing
10 8 (0.88%) Marketing
11 7 (0.77%) Automotive
11 7 (0.77%) French Language
12 6 (0.66%) Retail Banking
13 5 (0.55%) Financial Institution
14 3 (0.33%) Advertising
15 2 (0.22%) Manufacturing
15 2 (0.22%) Pharmaceutical
16 1 (0.11%) Local Government
16 1 (0.11%) Public Sector
Job Titles
1 601 (65.83%) Developer
2 197 (21.58%) Software Engineer
3 170 (18.62%) Java Developer
4 154 (16.87%) Android Developer
5 131 (14.35%) Senior Developer
6 94 (10.30%) Developer/Software Engineer
7 86 (9.42%) Python Developer
8 84 (9.20%) Python Engineer
9 83 (9.09%) Full Stack Developer
10 82 (8.98%) Python Software Engineer
11 79 (8.65%) React Developer
12 59 (6.46%) Android Engineer
13 57 (6.24%) JavaScript Developer
14 56 (6.13%) JavaScript Engineer
15 51 (5.59%) Senior Android Developer
16 42 (4.60%) Java Engineer
17 38 (4.16%) Lead Developer
18 33 (3.61%) Mobile Developer
19 32 (3.50%) Senior Java Developer
20 30 (3.29%) Software Developer
Libraries, Frameworks & Software Standards
1 256 (28.04%) React
2 237 (25.96%) AngularJS
3 194 (21.25%) Spring
4 179 (19.61%) Vue.js
5 164 (17.96%) Kafka
6 155 (16.98%) Node.js
7 139 (15.22%) Spring Boot
8 107 (11.72%) Web Services
9 82 (8.98%) React Native
10 77 (8.43%) HTML
11 63 (6.90%) CSS
12 59 (6.46%) REST
13 56 (6.13%) RESTful
14 47 (5.15%) RxJava
15 44 (4.82%) GraphQL
16 34 (3.72%) Spring Cloud
17 33 (3.61%) HTML5
18 27 (2.96%) Sass
19 23 (2.52%) Redux
19 23 (2.52%) Retrofit
Miscellaneous
1 174 (19.06%) Mobile App
2 119 (13.03%) Foreign Exchange (FX)
3 116 (12.71%) Equities
4 111 (12.16%) Fixed Income
5 106 (11.61%) Derivative
6 99 (10.84%) Hedge funds
7 80 (8.76%) Greenfield Project
8 47 (5.15%) User Experience
9 32 (3.50%) Virtual Team
10 18 (1.97%) Credit Risk
11 17 (1.86%) Analytical Skills
11 17 (1.86%) Self-Motivation
12 16 (1.75%) iPad
13 14 (1.53%) Algorithms
14 11 (1.20%) Data Structures
15 8 (0.88%) Blog
15 8 (0.88%) Mobile Banking
15 8 (0.88%) Social Media
15 8 (0.88%) Video\Live Streaming
16 7 (0.77%) NHS
Operating Systems
1 314 (34.39%) Android
2 139 (15.22%) Apple iOS
3 43 (4.71%) Linux
4 28 (3.07%) Unix
Processes & Methodologies
1 461 (50.49%) Agile Software Development
2 323 (35.38%) Software Engineering
3 267 (29.24%) TDD
4 234 (25.63%) DevOps
5 200 (21.91%) Android Development
5 200 (21.91%) Microservices
6 112 (12.27%) Fintech
7 104 (11.39%) Asset Management
7 104 (11.39%) Unit Testing
8 96 (10.51%) Test Automation
9 93 (10.19%) Mobile Development
10 90 (9.86%) OOP
11 77 (8.43%) Continuous Integration
12 75 (8.21%) SOLID
13 68 (7.45%) Scrum
14 63 (6.90%) Don't repeat yourself (DRY)
14 63 (6.90%) Mentoring
15 60 (6.57%) Computer Science
16 55 (6.02%) Pair Programming
17 49 (5.37%) Analytics
Programming Languages
1 740 (81.05%) Java
2 342 (37.46%) JavaScript
3 294 (32.20%) Python
4 223 (24.42%) Scala
5 192 (21.03%) TypeScript
6 148 (16.21%) SQL
7 135 (14.79%) C#
8 122 (13.36%) C++
9 109 (11.94%) Go
10 90 (9.86%) Apple Swift
11 83 (9.09%) Ruby
12 68 (7.45%) Clojure
13 65 (7.12%) Java 8
14 42 (4.60%) PHP
15 36 (3.94%) ES6
16 29 (3.18%) Objective-C
17 23 (2.52%) C
18 20 (2.19%) Erlang
19 16 (1.75%) ES7
20 15 (1.64%) Elixir
Qualifications
1 77 (8.43%) Degree
2 49 (5.37%) Computer Science Degree
3 16 (1.75%) SANS
4 8 (0.88%) Master's Degree
5 4 (0.44%) DBS Check
6 3 (0.33%) TOGAF Certification
7 1 (0.11%) MBA
Quality Assurance & Compliance
1 68 (7.45%) QA
2 16 (1.75%) WCAG
3 2 (0.22%) NIST
4 1 (0.11%) Data Quality
4 1 (0.11%) IEC 62304
4 1 (0.11%) ISO 20022
4 1 (0.11%) PSD2
4 1 (0.11%) TARGET2
System Software
1 222 (24.32%) Docker
2 2 (0.22%) Active Directory
3 1 (0.11%) Firmware
Systems Management
1 194 (21.25%) Kubernetes
2 129 (14.13%) Terraform
3 28 (3.07%) Ansible
4 25 (2.74%) Prometheus
5 22 (2.41%) Opscode Chef
6 21 (2.30%) Graphite
6 21 (2.30%) ZABBIX
7 6 (0.66%) Puppet
8 5 (0.55%) Grafana
9 4 (0.44%) Kibana
10 3 (0.33%) Zipkin
11 2 (0.22%) AirWatch
11 2 (0.22%) Pingdom
12 1 (0.11%) Packer
Vendors
1 52 (5.70%) Google
2 15 (1.64%) Apple
3 13 (1.42%) Oracle
4 10 (1.10%) Xamarin
5 8 (0.88%) Solace
6 5 (0.55%) Microsoft
7 3 (0.33%) PagerDuty
8 2 (0.22%) Caplin
8 2 (0.22%) Elastic Path
8 2 (0.22%) Facebook
8 2 (0.22%) VMware
9 1 (0.11%) Adobe
9 1 (0.11%) Salesforce.com
9 1 (0.11%) SAP
9 1 (0.11%) Sun