Period
to 4 July 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 4 July 2020 with a comparison to the same period in the previous 2 years.

JetBrains Kotlin
UK
6 months to
4 Jul 2020
Same period 2019 Same period 2018
Rank 261 475 694
Rank change year-on-year +214 +219 +418
Permanent jobs citing Kotlin 947 900 583
As % of all permanent jobs advertised in the UK 1.20% 0.61% 0.33%
As % of the Programming Languages category 2.16% 1.14% 0.59%
Number of salaries quoted 1,009 810 511
Median annual salary £67,500 £62,500 £65,000
Median salary % change year-on-year +8.00% -3.85% -10.34%
10th Percentile £42,500 £40,000 £43,750
90th Percentile £115,000 £95,000 £106,250
UK excluding London median annual salary £55,000 £55,000 £55,000

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 43,820 79,114 99,550
As % of all permanent IT jobs advertised in the UK 55.54% 53.89% 56.06%
Number of salaries quoted 36,070 64,840 82,914
Median annual salary £55,000 £52,500 £50,000
Median salary % change year-on-year +4.76% +5.00% +5.26%
10th Percentile £32,500 £31,250 £30,038
90th Percentile £90,000 £85,000 £80,000
UK excluding London median annual salary £47,500 £45,000 £45,000
% change year-on-year +5.56% - +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 4 July 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 4 July 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 +207 883 £69,000 +8.75% 111
London +150 618 £77,500 +10.71% 65
UK excluding London +200 321 £55,000 - 52
Work from Home +117 201 £60,000 - 23
South East +168 146 £57,500 +9.52% 8
North of England +102 69 £50,000 -4.76% 15
Scotland +125 56 £55,000 +7.32% 4
Yorkshire +115 54 £50,000 - 5
South West +93 21 £47,500 -9.52% 4
Midlands +101 15 £43,500 -5.95% 8
North West +62 15 £52,500 -4.55% 8
East of England +67 11 £60,000 +9.09% 11
East Midlands +58 8 £42,500 -15.00% 1
West Midlands +82 7 £65,000 +73.33% 7
Wales +21 4 £42,500 -19.05% 2

For the 6 months to 4 July 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.

1 771 (81.41%) Java
2 472 (49.84%) Agile Software Development
3 399 (42.13%) Android
4 312 (32.95%) Android Development
5 297 (31.36%) Software Engineering
6 284 (29.99%) JavaScript
7 272 (28.72%) AWS
8 257 (27.14%) TDD
9 237 (25.03%) Microservices
10 235 (24.82%) Docker
11 226 (23.86%) Finance
12 222 (23.44%) Python
13 220 (23.23%) Mobile App
14 196 (20.70%) Mobile Development
15 186 (19.64%) Kubernetes
16 181 (19.11%) Apple iOS
17 179 (18.90%) Banking
18 178 (18.80%) DevOps
19 164 (17.32%) Web Services
20 151 (15.95%) React
21 147 (15.52%) Fintech
22 142 (14.99%) Node.js
23 139 (14.68%) Scala
24 133 (14.04%) Continuous Integration
25 126 (13.31%) SQL
25 126 (13.31%) Mentoring
26 124 (13.09%) C#
27 123 (12.99%) Git (software)
28 118 (12.46%) Scrum
28 118 (12.46%) Terraform

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 29 (3.06%) Elasticsearch
2 18 (1.90%) Apache Spark
3 15 (1.58%) Apache
4 12 (1.27%) nginx
5 7 (0.74%) WordPress
6 5 (0.53%) OpenStack
7 4 (0.42%) Confluence
7 4 (0.42%) Ethereum
7 4 (0.42%) Hyperledger
8 3 (0.32%) CMS
Business Applications
1 55 (5.81%) FINCAD Analytics
2 46 (4.86%) R3 Corda
3 32 (3.38%) Distributed Ledger
4 1 (0.11%) Payment Gateway
4 1 (0.11%) Salesforce.com CRM
Cloud Services
1 272 (28.72%) AWS
2 114 (12.04%) Azure
3 62 (6.55%) GCP
4 44 (4.65%) GitHub
5 39 (4.12%) Serverless
6 26 (2.75%) Google Play
7 25 (2.64%) AWS Lambda
8 20 (2.11%) Heroku
9 19 (2.01%) Amazon SQS
10 18 (1.90%) Amazon S3
11 15 (1.58%) Amazon EC2
12 13 (1.37%) SaaS
13 12 (1.27%) Amazon ECS
14 7 (0.74%) Firebase
15 6 (0.63%) Amazon EKS
15 6 (0.63%) Azure Active Directory
15 6 (0.63%) iPaaS
15 6 (0.63%) Slack
16 5 (0.53%) Cloud Computing
17 3 (0.32%) TestFlight
Communications & Networking
1 16 (1.69%) Bluetooth
2 6 (0.63%) Internet
3 3 (0.32%) MQTT
4 2 (0.21%) HTTP
4 2 (0.21%) HTTPS
4 2 (0.21%) Skype
Database & Business Intelligence
1 89 (9.40%) PostgreSQL
2 77 (8.13%) Amazon DynamoDB
3 56 (5.91%) Blockchain
4 55 (5.81%) Amazon Athena
5 52 (5.49%) NoSQL
6 33 (3.48%) MongoDB
6 33 (3.48%) Redis
7 23 (2.43%) Apache Cassandra
7 23 (2.43%) Big Data
8 15 (1.58%) Hadoop
9 14 (1.48%) MySQL
10 12 (1.27%) Amazon Redshift
11 10 (1.06%) Apache Hive
12 9 (0.95%) BigQuery
12 9 (0.95%) Looker
13 7 (0.74%) SQL Server
14 6 (0.63%) Amazon Aurora
15 4 (0.42%) MariaDB
16 3 (0.32%) Flink
16 3 (0.32%) Mixpanel
Development Applications
1 123 (12.99%) Git (software)
2 70 (7.39%) Jenkins
3 68 (7.18%) Android Studio
4 31 (3.27%) Gradle
4 31 (3.27%) JUnit
5 26 (2.75%) Maven
6 25 (2.64%) Cucumber
7 23 (2.43%) JIRA
8 20 (2.11%) Mockito
9 19 (2.01%) Subversion
10 17 (1.80%) Appium
10 17 (1.80%) Mercurial
11 16 (1.69%) Xcode
12 13 (1.37%) Calabash
13 12 (1.27%) CircleCI
13 12 (1.27%) IntelliJ
13 12 (1.27%) TeamCity
14 9 (0.95%) git-flow
15 8 (0.84%) Cypress.io
15 8 (0.84%) fastlane
General
1 226 (23.86%) Finance
2 179 (18.90%) Banking
3 101 (10.67%) Front Office
4 48 (5.07%) Retail
5 43 (4.54%) Investment Banking
6 30 (3.17%) Games
7 13 (1.37%) Telecoms
8 11 (1.16%) Electronics
9 9 (0.95%) Retail Banking
10 6 (0.63%) Pharmaceutical
11 5 (0.53%) Brand Awareness
12 4 (0.42%) Marketing
12 4 (0.42%) Public Sector
13 3 (0.32%) Advertising
13 3 (0.32%) Financial Institution
14 2 (0.21%) Law
15 1 (0.11%) Automotive
15 1 (0.11%) Corporate Banking
Job Titles
1 597 (63.04%) Developer
2 247 (26.08%) Android Developer
3 187 (19.75%) Java Developer
4 154 (16.26%) Software Engineer
5 90 (9.50%) Senior Developer
6 76 (8.03%) Mobile Developer
7 69 (7.29%) Android Engineer
8 68 (7.18%) Java Engineer
9 54 (5.70%) Java Software Engineer
10 42 (4.44%) AWS Developer
11 40 (4.22%) Senior Android Developer
12 37 (3.91%) Finance Manager
13 36 (3.80%) Developer/Software Engineer
13 36 (3.80%) Senior Java Developer
13 36 (3.80%) Senior Software Engineer
14 33 (3.48%) iOS Developer
15 31 (3.27%) Full Stack Developer
16 30 (3.17%) Digital Developer
16 30 (3.17%) Lead Developer
16 30 (3.17%) Senior Java Engineer
Libraries, Frameworks & Software Standards
1 164 (17.32%) Web Services
2 151 (15.95%) React
3 142 (14.99%) Node.js
4 111 (11.72%) Spring
5 108 (11.40%) AngularJS
6 104 (10.98%) Kafka
7 96 (10.14%) REST
8 95 (10.03%) React Native
9 84 (8.87%) RxJava
10 71 (7.50%) Dagger
11 65 (6.86%) Android SDK
12 63 (6.65%) RESTful
13 62 (6.55%) J2EE
13 62 (6.55%) Spring Boot
14 58 (6.12%) CSS
15 56 (5.91%) HTML
16 55 (5.81%) Redux
17 52 (5.49%) .NET
18 46 (4.86%) Vue.js
19 45 (4.75%) JSON
Miscellaneous
1 220 (23.23%) Mobile App
2 114 (12.04%) Greenfield Project
3 101 (10.67%) Derivative
3 101 (10.67%) Fixed Income
4 99 (10.45%) Hedge funds
5 75 (7.92%) User Experience
6 57 (6.02%) Analytical Skills
7 36 (3.80%) Equities
8 32 (3.38%) Algorithms
9 30 (3.17%) Foreign Exchange (FX)
10 26 (2.75%) Data Structures
11 23 (2.43%) Blog
11 23 (2.43%) Self-Motivation
12 13 (1.37%) Virtual Team
13 11 (1.16%) Cloud Native
14 10 (1.06%) FMCG
15 9 (0.95%) Online Banking
16 8 (0.84%) Social Media
17 5 (0.53%) Grid Computing
17 5 (0.53%) Video\Live Streaming
Operating Systems
1 399 (42.13%) Android
2 181 (19.11%) Apple iOS
3 58 (6.12%) Linux
4 12 (1.27%) Mac OS X
5 10 (1.06%) Unix
6 5 (0.53%) Windows
7 1 (0.11%) Mac OS
7 1 (0.11%) Windows Phone
Processes & Methodologies
1 472 (49.84%) Agile Software Development
2 312 (32.95%) Android Development
3 297 (31.36%) Software Engineering
4 257 (27.14%) TDD
5 237 (25.03%) Microservices
6 196 (20.70%) Mobile Development
7 178 (18.80%) DevOps
8 147 (15.52%) Fintech
9 133 (14.04%) Continuous Integration
10 126 (13.31%) Mentoring
11 118 (12.46%) Scrum
12 106 (11.19%) Artificial Intelligence
13 103 (10.88%) Asset Management
14 97 (10.24%) Analytics
15 96 (10.14%) Investment Management
15 96 (10.14%) Problem-Solving
16 81 (8.55%) iOS Development
17 79 (8.34%) BDD
18 73 (7.71%) MVVM
19 71 (7.50%) Open Source
Programming Languages
1 771 (81.41%) Java
2 284 (29.99%) JavaScript
3 222 (23.44%) Python
4 139 (14.68%) Scala
5 126 (13.31%) SQL
6 124 (13.09%) C#
7 113 (11.93%) Apple Swift
8 102 (10.77%) Java 8
9 78 (8.24%) C++
9 78 (8.24%) Objective-C
10 50 (5.28%) PHP
11 46 (4.86%) TypeScript
12 43 (4.54%) Clojure
12 43 (4.54%) Go
13 41 (4.33%) Ruby
14 19 (2.01%) Groovy
15 17 (1.80%) C
15 17 (1.80%) ES6
16 13 (1.37%) Elixir
16 13 (1.37%) Haskell
Qualifications
1 73 (7.71%) Degree
2 41 (4.33%) Computer Science Degree
3 4 (0.42%) HND
4 3 (0.32%) Master's Degree
Quality Assurance & Compliance
1 43 (4.54%) QA
2 6 (0.63%) NIST
System Software
1 235 (24.82%) Docker
2 10 (1.06%) Firmware
3 6 (0.63%) Active Directory
4 5 (0.53%) VMware Infrastructure
4 5 (0.53%) vSphere
Systems Management
1 186 (19.64%) Kubernetes
2 118 (12.46%) Terraform
3 14 (1.48%) Ansible
4 12 (1.27%) Marathon
4 12 (1.27%) Mesos
4 12 (1.27%) Puppet
5 8 (0.84%) Prometheus
6 7 (0.74%) Istio
6 7 (0.74%) Kibana
7 6 (0.63%) Pingdom
8 5 (0.53%) Rancher
9 3 (0.32%) Consul
9 3 (0.32%) Opscode Chef
10 1 (0.11%) Grafana
10 1 (0.11%) Graphite
Vendors
1 56 (5.91%) Google
2 55 (5.81%) Bloomberg
3 15 (1.58%) Microsoft
4 8 (0.84%) Apple
4 8 (0.84%) Splunk
5 6 (0.63%) Xamarin
6 5 (0.53%) VMware
7 4 (0.42%) Oracle
8 3 (0.32%) YouTube
9 1 (0.11%) Dell
9 1 (0.11%) Instagram
9 1 (0.11%) Salesforce.com
9 1 (0.11%) Snapchat
9 1 (0.11%) Spotify