Period
to 13 December 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 13 December 2018 with a comparison to the same period in the previous 2 years.

JetBrains Kotlin
UK
6 months to
13 Dec 2018
Same period 2017 Same period 2016
Rank 631 973 1199
Rank change year-on-year +342 +226 -
Permanent jobs citing Kotlin 578 232 29
As % of all permanent IT jobs advertised in the UK 0.36% 0.13% 0.016%
As % of the Programming Languages category 0.66% 0.23% 0.030%
Number of salaries quoted 474 206 29
UK median annual salary £65,000 £65,000 £80,000
Median salary % change year-on-year - -18.75% -
10th Percentile £42,500 £47,500 £55,000
90th Percentile £99,625 £102,500 £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 87,730 99,180 98,038
As % of all permanent IT jobs advertised in the UK 54.93% 55.20% 53.04%
Number of salaries quoted 72,842 81,926 84,420
UK median annual salary £51,000 £50,000 £47,500
Median salary % change year-on-year +2.00% +5.26% +5.56%
10th Percentile £31,250 £29,250 £28,750
90th Percentile £85,000 £77,500 £76,250
UK excluding London median annual salary £45,000 £42,500 £42,500
% 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 13 December 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 13 December 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 +324 547 £65,000 - 155
London +252 376 £70,000 - 102
UK excluding London +174 194 £55,000 - 55
North of England +75 59 £50,000 - 21
South East +68 55 £72,500 +37.44% 14
Yorkshire +65 38 £55,000 +10.00% 11
East of England +57 32 £60,000 -20.00% 1
Scotland +18 22 £53,750 - 1
South West +11 21 £55,000 - 9
North West +22 18 £37,500 +7.14% 8
Midlands +40 4 £33,750 -38.64% 8
West Midlands - 4 £33,750 - 3
North East +2 3 £50,000 +25.00% 2
Northern Ireland - 1 £37,500 - 1

For the 6 months to 13 December 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.

1 497 (85.99%) Java
2 287 (49.65%) Agile Software Development
3 251 (43.43%) Android
4 212 (36.68%) Android Development
5 134 (23.18%) JavaScript
5 134 (23.18%) TDD
6 127 (21.97%) Amazon AWS
7 123 (21.28%) Finance
8 121 (20.93%) Microservices
9 119 (20.59%) Spring
9 119 (20.59%) Software Engineering
10 118 (20.42%) Docker
11 115 (19.90%) Scala
11 115 (19.90%) Mobile App
12 109 (18.86%) Apple iOS
13 100 (17.30%) Git (software)
14 99 (17.13%) RxJava
15 97 (16.78%) DevOps
15 97 (16.78%) Continuous Integration
15 97 (16.78%) Python
16 94 (16.26%) Jenkins
17 92 (15.92%) Open Source
17 92 (15.92%) Computer Science
18 89 (15.40%) BDD
18 89 (15.40%) Java 8
19 87 (15.05%) HTML
20 86 (14.88%) Fintech
21 83 (14.36%) C#
22 80 (13.84%) Web Services
22 80 (13.84%) Mobile Development

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 36 (6.23%) Elasticsearch
2 18 (3.11%) Apache Spark
3 11 (1.90%) Ethereum
4 10 (1.73%) CMS
5 9 (1.56%) Confluence
5 9 (1.56%) WebLogic
5 9 (1.56%) WebSphere
6 8 (1.38%) Sitecore CMS
7 5 (0.87%) nginx
8 3 (0.52%) Apache
9 2 (0.35%) Apache Solr
9 2 (0.35%) OpenStack
10 1 (0.17%) Mendix
10 1 (0.17%) MQSeries
10 1 (0.17%) Tomcat
10 1 (0.17%) WordPress
Applications
1 5 (0.87%) Adobe Illustrator
1 5 (0.87%) Photoshop
Business Applications
1 6 (1.04%) Distributed Ledger
2 2 (0.35%) R3 Corda
Cloud Services
1 127 (21.97%) Amazon AWS
2 67 (11.59%) GitHub
3 50 (8.65%) Microsoft Azure
4 31 (5.36%) Google Cloud Platform
5 22 (3.81%) Google Play
5 22 (3.81%) Serverless
6 15 (2.60%) AWS Lambda
7 13 (2.25%) Firebase
8 12 (2.08%) CloudFront
9 11 (1.90%) Amazon S3
10 9 (1.56%) Cloud Computing
11 7 (1.21%) Heroku
12 6 (1.04%) Route 53
13 4 (0.69%) IaaS
13 4 (0.69%) SaaS
14 3 (0.52%) PaaS
15 2 (0.35%) Google Analytics
15 2 (0.35%) iTunes
15 2 (0.35%) OpenShift
15 2 (0.35%) Slack
Communications & Networking
1 13 (2.25%) HTTP
2 9 (1.56%) Wireless
3 5 (0.87%) Internet
4 4 (0.69%) IPFS
5 3 (0.52%) TCP/IP
6 2 (0.35%) Bluetooth
7 1 (0.17%) Wireshark
Database & Business Intelligence
1 51 (8.82%) NoSQL
2 41 (7.09%) MongoDB
2 41 (7.09%) MySQL
3 38 (6.57%) Big Data
4 34 (5.88%) PostgreSQL
5 31 (5.36%) Blockchain
6 29 (5.02%) Amazon DynamoDB
7 28 (4.84%) Relational Database
8 27 (4.67%) Apache Cassandra
9 25 (4.33%) Redis
10 18 (3.11%) Hadoop
11 15 (2.60%) RDBMS
11 15 (2.60%) Riak
12 10 (1.73%) MariaDB
13 9 (1.56%) Apache Hive
14 4 (0.69%) SQL Server
15 3 (0.52%) BigQuery
15 3 (0.52%) Neo4j
16 2 (0.35%) Amazon Aurora
17 1 (0.17%) Amazon RDS
Development Applications
1 100 (17.30%) Git (software)
2 94 (16.26%) Jenkins
3 70 (12.11%) Gradle
4 55 (9.52%) Android Studio
5 50 (8.65%) Maven
6 36 (6.23%) JUnit
7 34 (5.88%) JIRA
8 26 (4.50%) Bitbucket
9 21 (3.63%) git-flow
10 15 (2.60%) Mockito
11 11 (1.90%) Crashlytics
11 11 (1.90%) Hudson
11 11 (1.90%) JMeter
12 9 (1.56%) Ant
12 9 (1.56%) CocoaPods
13 8 (1.38%) CircleCI
14 7 (1.21%) GitLab
15 6 (1.04%) Atlassian Bamboo
15 6 (1.04%) TeamCity
16 5 (0.87%) IntelliJ
General
1 123 (21.28%) Finance
2 64 (11.07%) Banking
3 26 (4.50%) Publishing
4 25 (4.33%) Games
5 22 (3.81%) Investment Banking
6 18 (3.11%) Front Office
7 15 (2.60%) Retail
8 13 (2.25%) Back Office
9 11 (1.90%) Electronics
10 8 (1.38%) Retail Banking
11 7 (1.21%) Law
12 6 (1.04%) Automotive
13 3 (0.52%) Telecoms
14 2 (0.35%) Advertising
14 2 (0.35%) Marketing
15 1 (0.17%) Billing
15 1 (0.17%) Financial Institution
15 1 (0.17%) Italian Language
15 1 (0.17%) Legal
15 1 (0.17%) Manufacturing
Job Titles
1 451 (78.03%) Developer
2 177 (30.62%) Android Developer
3 170 (29.41%) Java Developer
4 103 (17.82%) Senior Developer
5 48 (8.30%) Mobile Developer
6 46 (7.96%) Software Engineer
7 41 (7.09%) Senior Android Developer
8 38 (6.57%) Java Engineer
9 35 (6.06%) Lead Developer
9 35 (6.06%) Senior Java Developer
10 33 (5.71%) iOS Developer
11 32 (5.54%) AWS Developer
12 26 (4.50%) Scala Developer
13 23 (3.98%) Applications Developer
13 23 (3.98%) Lead Android Developer
14 22 (3.81%) Java Scala Developer
14 22 (3.81%) Programmer
15 19 (3.29%) iOS Android Developer
15 19 (3.29%) React Developer
16 18 (3.11%) Backend Developer
Libraries, Frameworks & Software Standards
1 119 (20.59%) Spring
2 99 (17.13%) RxJava
3 87 (15.05%) HTML
4 80 (13.84%) Web Services
5 77 (13.32%) REST
6 73 (12.63%) React
7 72 (12.46%) AngularJS
8 70 (12.11%) CSS
9 69 (11.94%) RESTful
10 67 (11.59%) Spring Boot
11 50 (8.65%) Kafka
12 45 (7.79%) Node.js
13 43 (7.44%) Android SDK
13 43 (7.44%) HTML5
14 40 (6.92%) J2EE
14 40 (6.92%) Redux
15 34 (5.88%) Retrofit
16 33 (5.71%) JSON
16 33 (5.71%) React Native
17 30 (5.19%) SOAP
Miscellaneous
1 115 (19.90%) Mobile App
2 86 (14.88%) Fintech
3 62 (10.73%) User Experience
4 57 (9.86%) Greenfield Project
5 52 (9.00%) Data Structures
6 42 (7.27%) Algorithms
7 27 (4.67%) Hedge funds
7 27 (4.67%) Self-Motivation
8 22 (3.81%) Mobile Payment
9 16 (2.77%) Analytical Skills
10 15 (2.60%) Equities
10 15 (2.60%) Smartphone
11 14 (2.42%) Foreign Exchange (FX)
12 13 (2.25%) Fixed Income
13 11 (1.90%) Social Network
14 10 (1.73%) Bitcoin
15 9 (1.56%) Enterprise Software
16 8 (1.38%) Online Banking
16 8 (1.38%) Social Media
17 5 (0.87%) Online Games
Operating Systems
1 251 (43.43%) Android
2 109 (18.86%) Apple iOS
3 39 (6.75%) Linux
4 11 (1.90%) Unix
5 8 (1.38%) Windows
6 5 (0.87%) CoreOS
7 3 (0.52%) Mac OS X
8 2 (0.35%) Windows Phone
9 1 (0.17%) Mac OS
9 1 (0.17%) VMS
Processes & Methodologies
1 287 (49.65%) Agile Software Development
2 212 (36.68%) Android Development
3 134 (23.18%) TDD
4 121 (20.93%) Microservices
5 119 (20.59%) Software Engineering
6 97 (16.78%) Continuous Integration
6 97 (16.78%) DevOps
7 92 (15.92%) Computer Science
7 92 (15.92%) Open Source
8 89 (15.40%) BDD
9 80 (13.84%) Mobile Development
10 78 (13.49%) OO
11 63 (10.90%) iOS Development
12 57 (9.86%) Scrum
13 51 (8.82%) Multithreading
14 50 (8.65%) Mentoring
15 49 (8.48%) Test Automation
16 39 (6.75%) API Development
17 36 (6.23%) SDLC
18 35 (6.06%) Unit Testing
Programming Languages
1 497 (85.99%) Java
2 134 (23.18%) JavaScript
3 115 (19.90%) Scala
4 97 (16.78%) Python
5 89 (15.40%) Java 8
6 83 (14.36%) C#
7 79 (13.67%) Apple Swift
7 79 (13.67%) SQL
8 62 (10.73%) C++
9 61 (10.55%) Objective-C
10 44 (7.61%) TypeScript
11 36 (6.23%) Go
12 35 (6.06%) PHP
13 28 (4.84%) Groovy
14 26 (4.50%) Erlang
15 23 (3.98%) Clojure
16 20 (3.46%) Ruby
17 19 (3.29%) C
18 18 (3.11%) Rust
19 16 (2.77%) Haskell
Qualifications
1 58 (10.03%) Degree
2 48 (8.30%) Computer Science Degree
3 4 (0.69%) CISSP
3 4 (0.69%) CREST Certified
3 4 (0.69%) CSSLP
4 3 (0.52%) Master's Degree
4 3 (0.52%) PhD
5 1 (0.17%) AWS Certification
Quality Assurance & Compliance
1 32 (5.54%) QA
2 2 (0.35%) PMO
3 1 (0.17%) SLA
System Software
1 118 (20.42%) Docker
2 5 (0.87%) etcd
3 4 (0.69%) Virtual Machines
3 4 (0.69%) VirtualBox
3 4 (0.69%) vSphere
4 1 (0.17%) Apache ZooKeeper
Systems Management
1 73 (12.63%) Kubernetes
2 31 (5.36%) Prometheus
3 17 (2.94%) Terraform
4 15 (2.60%) Opscode Chef
5 12 (2.08%) Ansible
6 5 (0.87%) Consul
6 5 (0.87%) Grafana
7 4 (0.69%) Docker Swarm
7 4 (0.69%) Kibana
8 3 (0.52%) HockeyApp
9 1 (0.17%) Packer
Vendors
1 73 (12.63%) Google
2 24 (4.15%) Apple
3 19 (3.29%) Atlassian
4 17 (2.94%) Oracle
5 9 (1.56%) Microsoft
6 8 (1.38%) Sitecore
7 5 (0.87%) Zend
8 4 (0.69%) Facebook
8 4 (0.69%) Samsung
8 4 (0.69%) Sybase
9 3 (0.52%) Twitter
10 1 (0.17%) Appcelerator
10 1 (0.17%) Kony
10 1 (0.17%) OutSystems
10 1 (0.17%) Salesforce.com
10 1 (0.17%) SAP
10 1 (0.17%) Splunk
10 1 (0.17%) Xamarin