Period
to 17 July 2018

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 17 July 2018 with a comparison to the same period in the previous 2 years.

JetBrains Kotlin
UK
6 months to
17 Jul 2018
Same period 2017 Same period 2016
Rank 650 1065 1271
Rank change year-on-year +415 +206 -
Permanent jobs citing Kotlin 605 119 24
As % of all permanent IT jobs advertised in the UK 0.34% 0.067% 0.012%
As % of the Programming Languages category 0.61% 0.12% 0.023%
Number of salaries quoted 497 116 23
UK median annual salary £65,000 £72,500 £60,000
Median salary % change year-on-year -10.34% +20.83% -
10th Percentile £42,500 £46,250 £50,000
90th Percentile £107,500 £100,000 £87,000
UK excluding London median annual salary £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 98,386 98,473 106,388
As % of all permanent IT jobs advertised in the UK 55.96% 55.44% 52.33%
Number of salaries quoted 81,750 82,510 91,972
UK median annual salary £50,000 £47,500 £47,500
Median salary % change year-on-year +5.26% - +5.56%
10th Percentile £30,470 £28,750 £28,250
90th Percentile £80,000 £77,500 £75,000
UK excluding London median annual salary £45,000 £42,500 £40,000
% change year-on-year +5.88% +6.25% -

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 17 July 2018.

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 17 July 2018. 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 +403 570 £67,500 -6.90% 121
London +275 387 £70,000 -6.67% 67
UK excluding London +177 205 £55,000 - 59
North of England - 70 £52,500 - 25
South East +48 48 £57,500 +26.37% 10
Yorkshire - 46 £55,000 - 9
East of England +42 36 £57,500 -23.33% 5
South West +7 21 £62,500 +13.64% 7
North West - 21 £47,500 - 14
Scotland - 18 £52,500 - 5
Midlands - 8 £32,500 - 7
West Midlands - 7 £32,500 - 4
Northern Ireland - 4 £38,750 -
North East - 3 £45,000 - 2
East Midlands - 1 £55,000 - 3

For the 6 months to 17 July 2018, 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.

1 504 (83.31%) Java
2 282 (46.61%) Agile Software Development
3 242 (40.00%) Android
4 196 (32.40%) Android Development
5 165 (27.27%) JavaScript
6 164 (27.11%) Scala
7 156 (25.79%) TDD
8 151 (24.96%) Amazon AWS
9 145 (23.97%) Spring
10 138 (22.81%) Finance
11 122 (20.17%) Software Engineering
12 117 (19.34%) Microservices
13 115 (19.01%) HTML
14 107 (17.69%) Web Services
15 105 (17.36%) Docker
16 102 (16.86%) Python
17 98 (16.20%) Continuous Integration
17 98 (16.20%) Fintech
18 97 (16.03%) Java 8
19 94 (15.54%) Jenkins
19 94 (15.54%) Git (software)
19 94 (15.54%) SQL
20 93 (15.37%) Mobile App
21 87 (14.38%) DevOps
21 87 (14.38%) CSS
22 84 (13.88%) Apple iOS
23 80 (13.22%) OO
23 80 (13.22%) Google
24 78 (12.89%) User Experience
25 76 (12.56%) React

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 40 (6.61%) Elasticsearch
2 10 (1.65%) Ethereum
3 9 (1.49%) CMS
4 8 (1.32%) Apache Spark
5 7 (1.16%) Apache
5 7 (1.16%) Confluence
5 7 (1.16%) Oracle SOA Suite
5 7 (1.16%) Sitecore CMS
6 3 (0.50%) nginx
7 1 (0.17%) Apache Solr
7 1 (0.17%) Cloud Foundry
7 1 (0.17%) Tomcat
Applications
1 6 (0.99%) Adobe Illustrator
1 6 (0.99%) Photoshop
2 3 (0.50%) Microsoft Office
3 1 (0.17%) S-PLUS
Business Applications
1 9 (1.49%) R3 Corda
2 7 (1.16%) Distributed Ledger
3 3 (0.50%) Quorum
Cloud Services
1 151 (24.96%) Amazon AWS
2 29 (4.79%) Google Cloud Platform
3 28 (4.63%) Google Play
3 28 (4.63%) Microsoft Azure
4 25 (4.13%) Serverless
5 20 (3.31%) AWS Lambda
6 18 (2.98%) CloudFront
7 16 (2.64%) GitHub
8 7 (1.16%) Runscope
9 6 (0.99%) OpenShift
10 4 (0.66%) Amazon S3
10 4 (0.66%) Heroku
11 3 (0.50%) Firebase
11 3 (0.50%) Google Analytics
11 3 (0.50%) npm
11 3 (0.50%) Route 53
12 2 (0.33%) Amazon EC2
13 1 (0.17%) Cloud Computing
13 1 (0.17%) iTunes
13 1 (0.17%) SaaS
Communications & Networking
1 9 (1.49%) Bluetooth
1 9 (1.49%) Internet
2 7 (1.16%) HTTP
3 6 (0.99%) MVNO
4 3 (0.50%) MQTT
4 3 (0.50%) Wi-Fi
5 2 (0.33%) WPA2
6 1 (0.17%) AMQP
6 1 (0.17%) Wireshark
Database & Business Intelligence
1 38 (6.28%) NoSQL
2 36 (5.95%) Big Data
2 36 (5.95%) MySQL
3 32 (5.29%) Apache Cassandra
3 32 (5.29%) MongoDB
4 31 (5.12%) Blockchain
5 20 (3.31%) PostgreSQL
5 20 (3.31%) SQLite
6 18 (2.98%) Riak
7 17 (2.81%) Relational Database
8 12 (1.98%) Amazon DynamoDB
8 12 (1.98%) SQL Server
9 10 (1.65%) Hadoop
10 8 (1.32%) RDBMS
10 8 (1.32%) Redis
11 5 (0.83%) CockroachDB
12 4 (0.66%) MariaDB
12 4 (0.66%) Neo4j
13 3 (0.50%) HBase
14 2 (0.33%) MarkLogic
Development Applications
1 94 (15.54%) Git (software)
1 94 (15.54%) Jenkins
2 68 (11.24%) Gradle
3 55 (9.09%) Maven
4 37 (6.12%) JIRA
5 36 (5.95%) JUnit
6 35 (5.79%) Android Studio
7 24 (3.97%) Appium
8 23 (3.80%) Bitbucket
9 18 (2.98%) Calabash
10 15 (2.48%) Robolectric
10 15 (2.48%) Xcode
11 14 (2.31%) fastlane
12 13 (2.15%) CocoaPods
12 13 (2.15%) Cucumber
13 12 (1.98%) Artifactory
13 12 (1.98%) Mockito
14 10 (1.65%) Crashlytics
15 8 (1.32%) TeamCity
16 7 (1.16%) UI Automator
General
1 138 (22.81%) Finance
2 55 (9.09%) Banking
3 35 (5.79%) Retail
4 28 (4.63%) Games
5 24 (3.97%) Investment Banking
6 23 (3.80%) Front Office
7 14 (2.31%) Telecoms
8 12 (1.98%) Back Office
9 9 (1.49%) Law
10 8 (1.32%) Publishing
11 7 (1.16%) Advertising
11 7 (1.16%) Marketing
12 4 (0.66%) Automotive
12 4 (0.66%) Financial Institution
13 3 (0.50%) Electronics
13 3 (0.50%) Retail Banking
14 2 (0.33%) Manufacturing
Job Titles
1 464 (76.69%) Developer
2 212 (35.04%) Java Developer
3 164 (27.11%) Android Developer
4 112 (18.51%) Senior Developer
5 69 (11.40%) Software Engineer
6 60 (9.92%) Senior Java Developer
7 44 (7.27%) Java Engineer
8 37 (6.12%) Java Scala Developer
8 37 (6.12%) Scala Developer
9 34 (5.62%) Full Stack Developer
10 33 (5.45%) AWS Developer
10 33 (5.45%) Lead Developer
10 33 (5.45%) Mobile Developer
11 32 (5.29%) Senior Android Developer
12 28 (4.63%) Applications Developer
13 27 (4.46%) iOS Developer
14 25 (4.13%) Programmer
15 22 (3.64%) Java Programmer
15 22 (3.64%) Mobile Applications Developer
16 20 (3.31%) Software Developer
Libraries, Frameworks & Software Standards
1 145 (23.97%) Spring
2 115 (19.01%) HTML
3 107 (17.69%) Web Services
4 87 (14.38%) CSS
5 76 (12.56%) React
6 70 (11.57%) REST
7 66 (10.91%) RESTful
7 66 (10.91%) RxJava
8 55 (9.09%) Spring Boot
9 51 (8.43%) Android SDK
10 49 (8.10%) Node.js
11 48 (7.93%) JSON
12 45 (7.44%) Kafka
13 43 (7.11%) HTML5
14 42 (6.94%) AngularJS
15 34 (5.62%) SOAP
16 32 (5.29%) Dagger
17 29 (4.79%) J2EE
18 28 (4.63%) Redux
18 28 (4.63%) XML
Miscellaneous
1 98 (16.20%) Fintech
2 93 (15.37%) Mobile App
3 78 (12.89%) User Experience
4 68 (11.24%) Greenfield Project
5 61 (10.08%) Computer Science
6 33 (5.45%) Hedge funds
7 30 (4.96%) Bitcoin
8 25 (4.13%) Smartphone
9 23 (3.80%) Algorithms
10 21 (3.47%) Data Structures
11 19 (3.14%) Equities
12 15 (2.48%) Analytical Skills
12 15 (2.48%) Self-Motivation
13 7 (1.16%) Derivative
13 7 (1.16%) Market Risk
13 7 (1.16%) Social Media
14 6 (0.99%) Cloud Native
14 6 (0.99%) Online Games
14 6 (0.99%) Private Cloud
15 4 (0.66%) Video on Demand
Operating Systems
1 242 (40.00%) Android
2 84 (13.88%) Apple iOS
3 39 (6.45%) Linux
4 10 (1.65%) Unix
5 7 (1.16%) Windows
6 5 (0.83%) Mac OS
7 4 (0.66%) CoreOS
8 3 (0.50%) Windows Phone
9 2 (0.33%) Solaris
9 2 (0.33%) SUSE
9 2 (0.33%) VMS
10 1 (0.17%) Ubuntu
Processes & Methodologies
1 282 (46.61%) Agile Software Development
2 196 (32.40%) Android Development
3 156 (25.79%) TDD
4 122 (20.17%) Software Engineering
5 117 (19.34%) Microservices
6 98 (16.20%) Continuous Integration
7 87 (14.38%) DevOps
8 80 (13.22%) OO
9 76 (12.56%) Unit Testing
10 73 (12.07%) BDD
11 63 (10.41%) Mobile Development
11 63 (10.41%) Scrum
12 62 (10.25%) Test Automation
13 59 (9.75%) Open Source
14 55 (9.09%) Machine Learning
15 49 (8.10%) iOS Development
15 49 (8.10%) Problem-Solving
16 48 (7.93%) Multithreading
17 44 (7.27%) Mathematics
18 42 (6.94%) Kanban
Programming Languages
1 504 (83.31%) Java
2 165 (27.27%) JavaScript
3 164 (27.11%) Scala
4 102 (16.86%) Python
5 97 (16.03%) Java 8
6 94 (15.54%) SQL
7 70 (11.57%) Apple Swift
8 51 (8.43%) C#
9 46 (7.60%) Objective-C
10 44 (7.27%) Clojure
11 37 (6.12%) Groovy
12 36 (5.95%) Go
13 26 (4.30%) C++
13 26 (4.30%) TypeScript
14 22 (3.64%) PHP
15 21 (3.47%) Java 9
16 16 (2.64%) Erlang
16 16 (2.64%) Haskell
17 15 (2.48%) C
18 13 (2.15%) Ruby
Qualifications
1 36 (5.95%) Degree
2 18 (2.98%) Computer Science Degree
3 16 (2.64%) PhD
4 6 (0.99%) AWS Certification
5 4 (0.66%) Master's Degree
6 1 (0.17%) ISTQB
6 1 (0.17%) ISTQB Foundation Certification
Quality Assurance & Compliance
1 21 (3.47%) QA
2 9 (1.49%) GCP
3 2 (0.33%) SLA
4 1 (0.17%) GDPR
System Software
1 105 (17.36%) Docker
2 3 (0.50%) Virtual Machines
3 1 (0.17%) Active Directory
3 1 (0.17%) VMware Infrastructure
Systems Management
1 57 (9.42%) Kubernetes
2 37 (6.12%) Terraform
3 29 (4.79%) Ansible
3 29 (4.79%) Prometheus
4 27 (4.46%) Opscode Chef
5 14 (2.31%) Puppet
6 13 (2.15%) HockeyApp
7 8 (1.32%) Grafana
8 5 (0.83%) Rancher
9 4 (0.66%) Fluentd
9 4 (0.66%) logstash
10 1 (0.17%) Apache Shiro
10 1 (0.17%) Istio
Vendors
1 80 (13.22%) Google
2 18 (2.98%) Apple
2 18 (2.98%) Oracle
3 11 (1.82%) Capita
4 8 (1.32%) AppDynamics
4 8 (1.32%) Atlassian
4 8 (1.32%) Splunk
5 7 (1.16%) Sitecore
6 5 (0.83%) Microsoft
7 4 (0.66%) Facebook
7 4 (0.66%) Sybase
7 4 (0.66%) Xamarin
8 3 (0.50%) Bloomberg
8 3 (0.50%) Reuters
8 3 (0.50%) Twitter
9 2 (0.33%) SAP
10 1 (0.17%) VMware