Period
to 19 October 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 19 October 2018 with a comparison to the same period in the previous 2 years.

JetBrains Kotlin
UK
6 months to
19 Oct 2018
Same period 2017 Same period 2016
Rank 607 1021 1213
Rank change year-on-year +414 +192 -
Permanent jobs citing Kotlin 625 178 30
As % of all permanent IT jobs advertised in the UK 0.38% 0.10% 0.016%
As % of the Programming Languages category 0.68% 0.18% 0.030%
Number of salaries quoted 497 163 29
UK median annual salary £65,000 £65,000 £80,000
Median salary % change year-on-year - -18.75% -
10th Percentile £38,250 £43,150 £55,000
90th Percentile £100,000 £100,000 £87,500
UK excluding London median annual salary £55,000 £55,000 £32,500
% change year-on-year - +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 91,556 96,643 100,918
As % of all permanent IT jobs advertised in the UK 55.57% 55.29% 52.75%
Number of salaries quoted 76,173 79,233 87,041
UK median annual salary £50,000 £48,500 £47,500
Median salary % change year-on-year +3.09% +2.11% +5.56%
10th Percentile £31,250 £29,000 £28,500
90th Percentile £82,500 £77,500 £76,250
UK excluding London median annual salary £45,000 £42,500 £41,000
% change year-on-year +5.88% +3.66% +2.50%

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 19 October 2018.

Salary histogram for Kotlin in the UK

Kotlin
Top 14 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 19 October 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 +376 589 £67,500 +3.85% 149
London +255 390 £70,000 - 107
UK excluding London +203 227 £55,000 - 49
North of England +87 68 £47,500 +5.56% 13
South East +53 59 £76,250 +50.99% 14
East of England +65 43 £55,000 -26.67% 8
Yorkshire - 40 £52,500 - 6
North West +28 25 £35,500 -29.00% 6
Scotland +19 24 £52,500 - 6
South West -14 21 £55,000 - 6
West Midlands - 8 £33,750 -
Midlands - 8 £33,750 - 1
Northern Ireland - 4 £38,750 - 1
North East -6 3 £41,250 +3.13% 1

For the 6 months to 19 October 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.

1 534 (85.44%) Java
2 296 (47.36%) Agile Software Development
3 254 (40.64%) Android
4 210 (33.60%) Android Development
5 171 (27.36%) JavaScript
6 157 (25.12%) Finance
7 146 (23.36%) Amazon AWS
8 143 (22.88%) Spring
9 141 (22.56%) TDD
10 140 (22.40%) Scala
11 126 (20.16%) Microservices
12 124 (19.84%) HTML
13 118 (18.88%) Mobile App
14 114 (18.24%) Apple iOS
15 113 (18.08%) Git (software)
15 113 (18.08%) Software Engineering
16 109 (17.44%) SQL
17 108 (17.28%) Python
18 107 (17.12%) Web Services
19 106 (16.96%) Continuous Integration
20 100 (16.00%) Jenkins
20 100 (16.00%) Docker
21 99 (15.84%) CSS
22 98 (15.68%) Computer Science
22 98 (15.68%) Fintech
23 96 (15.36%) Open Source
24 95 (15.20%) Java 8
25 93 (14.88%) DevOps
25 93 (14.88%) C#
26 90 (14.40%) REST

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 49 (7.84%) Elasticsearch
2 17 (2.72%) Apache Spark
3 13 (2.08%) CMS
4 11 (1.76%) Confluence
4 11 (1.76%) Ethereum
5 9 (1.44%) Sitecore CMS
6 8 (1.28%) Apache
6 8 (1.28%) WebLogic
6 8 (1.28%) WebSphere
7 4 (0.64%) nginx
8 2 (0.32%) Apache Solr
8 2 (0.32%) OpenStack
9 1 (0.16%) Mendix
9 1 (0.16%) MQSeries
9 1 (0.16%) Tomcat
9 1 (0.16%) WordPress
Applications
1 7 (1.12%) Adobe Illustrator
1 7 (1.12%) Photoshop
2 3 (0.48%) Microsoft Office
3 1 (0.16%) S-PLUS
Business Applications
1 7 (1.12%) Distributed Ledger
1 7 (1.12%) R3 Corda
Cloud Services
1 146 (23.36%) Amazon AWS
2 56 (8.96%) GitHub
3 50 (8.00%) Microsoft Azure
4 40 (6.40%) Google Cloud Platform
5 31 (4.96%) Serverless
6 22 (3.52%) Google Play
7 21 (3.36%) AWS Lambda
8 18 (2.88%) CloudFront
9 14 (2.24%) Firebase
10 12 (1.92%) Amazon S3
11 6 (0.96%) Cloud Computing
11 6 (0.96%) Heroku
11 6 (0.96%) Route 53
12 4 (0.64%) IaaS
13 3 (0.48%) Amazon EC2
13 3 (0.48%) Google Analytics
13 3 (0.48%) iTunes
13 3 (0.48%) PaaS
13 3 (0.48%) SaaS
13 3 (0.48%) Slack
Communications & Networking
1 13 (2.08%) HTTP
2 6 (0.96%) Internet
3 4 (0.64%) IPFS
4 2 (0.32%) Bluetooth
4 2 (0.32%) MQTT
5 1 (0.16%) Calico
5 1 (0.16%) Wireless
5 1 (0.16%) Wireshark
Database & Business Intelligence
1 50 (8.00%) NoSQL
2 45 (7.20%) MySQL
3 38 (6.08%) Big Data
4 35 (5.60%) MongoDB
4 35 (5.60%) PostgreSQL
5 33 (5.28%) Amazon DynamoDB
6 30 (4.80%) Blockchain
6 30 (4.80%) Relational Database
7 23 (3.68%) Redis
8 20 (3.20%) Apache Cassandra
9 19 (3.04%) RDBMS
10 15 (2.40%) Hadoop
11 12 (1.92%) Riak
12 10 (1.60%) MariaDB
13 8 (1.28%) Apache Hive
14 4 (0.64%) SQL Server
14 4 (0.64%) SQLite
15 3 (0.48%) BigQuery
15 3 (0.48%) HBase
16 2 (0.32%) Amazon RDS
Development Applications
1 113 (18.08%) Git (software)
2 100 (16.00%) Jenkins
3 74 (11.84%) Gradle
4 57 (9.12%) Maven
5 51 (8.16%) Android Studio
6 48 (7.68%) JUnit
7 36 (5.76%) JIRA
8 35 (5.60%) Bitbucket
9 19 (3.04%) git-flow
10 17 (2.72%) Appium
11 15 (2.40%) Mockito
12 13 (2.08%) Crashlytics
13 12 (1.92%) CocoaPods
14 11 (1.76%) Robolectric
14 11 (1.76%) Xcode
15 10 (1.60%) Calabash
15 10 (1.60%) Hudson
15 10 (1.60%) JMeter
16 9 (1.44%) Cucumber
17 8 (1.28%) IntelliJ
General
1 157 (25.12%) Finance
2 70 (11.20%) Banking
3 29 (4.64%) Retail
4 27 (4.32%) Investment Banking
5 26 (4.16%) Front Office
6 23 (3.68%) Games
6 23 (3.68%) Publishing
7 18 (2.88%) Back Office
8 10 (1.60%) Law
9 6 (0.96%) Retail Banking
10 4 (0.64%) Financial Institution
10 4 (0.64%) Telecoms
11 3 (0.48%) Advertising
11 3 (0.48%) Automotive
12 2 (0.32%) Electronics
12 2 (0.32%) Marketing
13 1 (0.16%) Italian Language
13 1 (0.16%) Legal
Job Titles
1 481 (76.96%) Developer
2 198 (31.68%) Java Developer
3 162 (25.92%) Android Developer
4 112 (17.92%) Senior Developer
5 55 (8.80%) Java Engineer
6 53 (8.48%) Senior Java Developer
6 53 (8.48%) Software Engineer
7 51 (8.16%) Mobile Developer
8 42 (6.72%) Lead Developer
9 38 (6.08%) iOS Developer
10 37 (5.92%) Programmer
11 35 (5.60%) AWS Developer
11 35 (5.60%) Senior Android Developer
12 30 (4.80%) Applications Developer
12 30 (4.80%) Java Programmer
13 29 (4.64%) Full Stack Developer
14 28 (4.48%) Java Scala Developer
14 28 (4.48%) Scala Developer
15 23 (3.68%) Mobile Applications Developer
16 22 (3.52%) Lead Android Developer
Libraries, Frameworks & Software Standards
1 143 (22.88%) Spring
2 124 (19.84%) HTML
3 107 (17.12%) Web Services
4 99 (15.84%) CSS
5 90 (14.40%) REST
6 82 (13.12%) RxJava
7 80 (12.80%) React
8 76 (12.16%) RESTful
9 73 (11.68%) AngularJS
10 63 (10.08%) Spring Boot
11 53 (8.48%) HTML5
12 46 (7.36%) JSON
13 45 (7.20%) SOAP
14 43 (6.88%) Android SDK
14 43 (6.88%) J2EE
14 43 (6.88%) Redux
15 42 (6.72%) Node.js
16 34 (5.44%) Kafka
17 32 (5.12%) React Native
18 27 (4.32%) Retrofit
Miscellaneous
1 118 (18.88%) Mobile App
2 98 (15.68%) Computer Science
2 98 (15.68%) Fintech
3 74 (11.84%) User Experience
4 69 (11.04%) Greenfield Project
5 56 (8.96%) Data Structures
6 44 (7.04%) Algorithms
7 34 (5.44%) Hedge funds
8 31 (4.96%) Smartphone
9 29 (4.64%) Self-Motivation
10 22 (3.52%) Bitcoin
10 22 (3.52%) Mobile Payment
11 15 (2.40%) Equities
12 12 (1.92%) Analytical Skills
13 11 (1.76%) Social Network
14 10 (1.60%) Foreign Exchange (FX)
15 9 (1.44%) Enterprise Software
15 9 (1.44%) Fixed Income
15 9 (1.44%) Social Media
16 8 (1.28%) Online Banking
Operating Systems
1 254 (40.64%) Android
2 114 (18.24%) Apple iOS
3 38 (6.08%) Linux
4 13 (2.08%) Unix
5 7 (1.12%) Windows
6 4 (0.64%) Mac OS
7 3 (0.48%) Windows Phone
8 2 (0.32%) CoreOS
8 2 (0.32%) Mac OS X
8 2 (0.32%) VMS
9 1 (0.16%) Ubuntu
Processes & Methodologies
1 296 (47.36%) Agile Software Development
2 210 (33.60%) Android Development
3 141 (22.56%) TDD
4 126 (20.16%) Microservices
5 113 (18.08%) Software Engineering
6 106 (16.96%) Continuous Integration
7 96 (15.36%) Open Source
8 93 (14.88%) DevOps
9 88 (14.08%) OO
10 84 (13.44%) Mobile Development
11 80 (12.80%) BDD
12 71 (11.36%) iOS Development
13 63 (10.08%) Scrum
14 55 (8.80%) Test Automation
15 53 (8.48%) Multithreading
16 46 (7.36%) Unit Testing
17 45 (7.20%) Machine Learning
18 42 (6.72%) Kanban
18 42 (6.72%) Mentoring
19 41 (6.56%) SDLC
Programming Languages
1 534 (85.44%) Java
2 171 (27.36%) JavaScript
3 140 (22.40%) Scala
4 109 (17.44%) SQL
5 108 (17.28%) Python
6 95 (15.20%) Java 8
7 93 (14.88%) C#
8 89 (14.24%) Apple Swift
9 65 (10.40%) Objective-C
10 48 (7.68%) C++
11 45 (7.20%) PHP
12 41 (6.56%) TypeScript
13 40 (6.40%) Go
14 30 (4.80%) Groovy
15 29 (4.64%) Clojure
16 27 (4.32%) Ruby
17 25 (4.00%) Erlang
18 21 (3.36%) C
19 20 (3.20%) Rust
20 19 (3.04%) Haskell
Qualifications
1 62 (9.92%) Degree
2 45 (7.20%) Computer Science Degree
3 6 (0.96%) Master's Degree
3 6 (0.96%) PhD
4 3 (0.48%) AWS Certification
5 1 (0.16%) ISTQB
5 1 (0.16%) ISTQB Foundation Certification
Quality Assurance & Compliance
1 31 (4.96%) QA
2 2 (0.32%) PMO
3 1 (0.16%) GDPR
3 1 (0.16%) SLA
System Software
1 100 (16.00%) Docker
2 2 (0.32%) etcd
2 2 (0.32%) Virtual Machines
Systems Management
1 67 (10.72%) Kubernetes
2 30 (4.80%) Prometheus
3 19 (3.04%) Terraform
4 13 (2.08%) Opscode Chef
5 9 (1.44%) HockeyApp
6 6 (0.96%) Ansible
7 5 (0.80%) Grafana
8 4 (0.64%) Consul
8 4 (0.64%) Docker Swarm
9 3 (0.48%) Kibana
9 3 (0.48%) Puppet
10 1 (0.16%) Apache Shiro
10 1 (0.16%) Istio
Vendors
1 81 (12.96%) Google
2 26 (4.16%) Apple
3 21 (3.36%) Atlassian
4 17 (2.72%) Oracle
5 12 (1.92%) Microsoft
6 9 (1.44%) Sitecore
7 6 (0.96%) Facebook
8 5 (0.80%) Zend
9 4 (0.64%) Sybase
9 4 (0.64%) Twitter
10 2 (0.32%) Xamarin
11 1 (0.16%) Appcelerator
11 1 (0.16%) Bloomberg
11 1 (0.16%) Kony
11 1 (0.16%) OutSystems
11 1 (0.16%) Reuters
11 1 (0.16%) Salesforce.com
11 1 (0.16%) Splunk