Period
to 20 February 2019

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 20 February 2019 with a comparison to the same period in the previous 2 years.

JetBrains Kotlin
UK
6 months to
20 Feb 2019
Same period 2018 Same period 2017
Rank 566 890 1173
Rank change year-on-year +324 +283 +134
Permanent jobs citing Kotlin 662 329 25
As % of all permanent IT jobs advertised in the UK 0.44% 0.19% 0.014%
As % of the Programming Languages category 0.80% 0.33% 0.027%
Number of salaries quoted 517 290 24
UK median annual salary £65,000 £65,000 £74,500
Median salary % change year-on-year - -12.75% +14.62%
10th Percentile £43,750 £45,000 £53,250
90th Percentile £95,500 £101,250 £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 83,170 98,472 93,722
As % of all permanent IT jobs advertised in the UK 54.94% 55.70% 53.63%
Number of salaries quoted 68,771 82,696 80,271
UK median annual salary £52,000 £50,000 £47,500
Median salary % change year-on-year +4.00% +5.26% +5.56%
10th Percentile £31,250 £29,750 £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 20 February 2019.

Salary histogram for Kotlin in the UK

Kotlin
Top 16 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 20 February 2019. 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 +300 643 £65,000 - 195
London +198 410 £70,000 - 134
UK excluding London +226 248 £55,000 - 69
South East +94 86 £62,500 +8.70% 16
North of England +86 76 £52,500 +5.00% 20
Yorkshire +70 48 £50,000 - 9
South West +42 41 £55,000 -15.38% 7
East of England +59 27 £55,000 -8.33% 5
North West +49 26 £52,500 +50.00% 10
Scotland +9 11 £55,000 +22.22% 7
Midlands +37 3 £30,500 -44.55% 13
North East +17 2 £50,000 +25.00% 1
Wales - 2 £45,750 - 1
West Midlands - 2 £32,500 - 2
Northern Ireland - 2 £37,500 -
East Midlands +20 1 £28,500 -48.18% 11

For the 6 months to 20 February 2019, 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.

1 550 (83.08%) Java
2 353 (53.32%) Agile Software Development
3 314 (47.43%) Android
4 271 (40.94%) Android Development
5 195 (29.46%) Software Engineering
6 182 (27.49%) TDD
7 158 (23.87%) Docker
8 150 (22.66%) JavaScript
9 146 (22.05%) Microservices
10 132 (19.94%) Python
11 129 (19.49%) RxJava
12 126 (19.03%) Mobile App
13 121 (18.28%) DevOps
13 121 (18.28%) Amazon AWS
13 121 (18.28%) Scala
14 120 (18.13%) Apple iOS
15 119 (17.98%) Fintech
16 118 (17.82%) Git (software)
17 115 (17.37%) C++
18 113 (17.07%) Spring
19 106 (16.01%) Finance
20 105 (15.86%) Kubernetes
21 104 (15.71%) Apple Swift
21 104 (15.71%) Computer Science
22 102 (15.41%) Continuous Integration
23 100 (15.11%) Open Source
24 95 (14.35%) BDD
25 94 (14.20%) C#
26 93 (14.05%) Degree
26 93 (14.05%) 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 34 (5.14%) Elasticsearch
2 18 (2.72%) Apache Spark
3 16 (2.42%) Ethereum
4 12 (1.81%) Confluence
5 8 (1.21%) WebLogic
5 8 (1.21%) WebSphere
6 6 (0.91%) CMS
6 6 (0.91%) Hyperledger
7 4 (0.60%) nginx
8 3 (0.45%) Cloud Foundry
9 2 (0.30%) Apache
9 2 (0.30%) Mule
9 2 (0.30%) Sitecore CMS
10 1 (0.15%) Apache Solr
10 1 (0.15%) JBoss
10 1 (0.15%) Mendix
10 1 (0.15%) MQSeries
10 1 (0.15%) OpenStack
10 1 (0.15%) WordPress
Business Applications
1 19 (2.87%) Distributed Ledger
2 15 (2.27%) R3 Corda
Cloud Services
1 121 (18.28%) Amazon AWS
2 64 (9.67%) GitHub
3 57 (8.61%) Microsoft Azure
4 33 (4.98%) Google Cloud Platform
5 25 (3.78%) Serverless
6 19 (2.87%) AWS Lambda
7 15 (2.27%) Google Play
8 11 (1.66%) Cloud Computing
9 9 (1.36%) Heroku
10 8 (1.21%) IaaS
11 7 (1.06%) PaaS
11 7 (1.06%) SaaS
12 6 (0.91%) Firebase
13 5 (0.76%) CloudFront
13 5 (0.76%) Datadog
14 3 (0.45%) Amazon S3
15 2 (0.30%) Amazon SQS
15 2 (0.30%) OpenShift
15 2 (0.30%) Slack
16 1 (0.15%) iTunes
Communications & Networking
1 23 (3.47%) TCP/IP
2 17 (2.57%) Bluetooth
3 13 (1.96%) Wireless
4 12 (1.81%) Internet
5 11 (1.66%) HTTP
6 3 (0.45%) HTTPS
6 3 (0.45%) IPFS
6 3 (0.45%) SSL
7 1 (0.15%) AMQP
7 1 (0.15%) Intranet
7 1 (0.15%) RFID
Database & Business Intelligence
1 76 (11.48%) NoSQL
2 65 (9.82%) MongoDB
3 57 (8.61%) MySQL
4 48 (7.25%) Blockchain
5 43 (6.50%) Redis
6 42 (6.34%) PostgreSQL
6 42 (6.34%) Relational Database
7 36 (5.44%) Big Data
8 33 (4.98%) Apache Cassandra
9 20 (3.02%) Amazon DynamoDB
10 19 (2.87%) Hadoop
10 19 (2.87%) SQL Server
11 17 (2.57%) Riak
12 11 (1.66%) RDBMS
13 9 (1.36%) Apache Hive
14 6 (0.91%) MariaDB
15 3 (0.45%) BigQuery
15 3 (0.45%) Data Lake
15 3 (0.45%) Neo4j
15 3 (0.45%) Oracle Database
Development Applications
1 118 (17.82%) Git (software)
2 82 (12.39%) Jenkins
3 75 (11.33%) Gradle
4 61 (9.21%) Android Studio
5 44 (6.65%) JUnit
6 41 (6.19%) Maven
7 33 (4.98%) JIRA
7 33 (4.98%) Mockito
8 25 (3.78%) GitLab
9 22 (3.32%) git-flow
10 21 (3.17%) Vagrant
11 16 (2.42%) Bitbucket
12 12 (1.81%) CocoaPods
13 10 (1.51%) JMeter
14 9 (1.36%) fastlane
15 8 (1.21%) Ant
15 8 (1.21%) TeamCity
16 7 (1.06%) Hudson
16 7 (1.06%) Xcode
17 6 (0.91%) CircleCI
General
1 106 (16.01%) Finance
2 73 (11.03%) Banking
3 37 (5.59%) Publishing
4 21 (3.17%) Retail
5 20 (3.02%) Electronics
6 17 (2.57%) Investment Banking
7 12 (1.81%) Front Office
7 12 (1.81%) Games
8 8 (1.21%) Retail Banking
8 8 (1.21%) Telecoms
9 6 (0.91%) Financial Institution
9 6 (0.91%) Law
10 4 (0.60%) Automotive
10 4 (0.60%) Manufacturing
10 4 (0.60%) Marketing
11 2 (0.30%) Back Office
12 1 (0.15%) Advertising
12 1 (0.15%) Billing
12 1 (0.15%) Music Industry
Job Titles
1 494 (74.62%) Developer
2 224 (33.84%) Android Developer
3 176 (26.59%) Java Developer
4 99 (14.95%) Senior Developer
5 63 (9.52%) Software Engineer
6 50 (7.55%) Senior Android Developer
7 45 (6.80%) Mobile Developer
7 45 (6.80%) Senior Java Developer
8 39 (5.89%) Java Engineer
9 31 (4.68%) iOS Developer
10 28 (4.23%) Java Android Developer
11 24 (3.63%) Lead Developer
12 23 (3.47%) AWS Developer
12 23 (3.47%) Backend Developer
12 23 (3.47%) Blockchain Developer
13 22 (3.32%) Java Software Engineer
13 22 (3.32%) Scala Developer
14 21 (3.17%) Architect
14 21 (3.17%) Junior
14 21 (3.17%) Junior Developer
Libraries, Frameworks & Software Standards
1 129 (19.49%) RxJava
2 113 (17.07%) Spring
3 86 (12.99%) AngularJS
4 84 (12.69%) Spring Boot
5 80 (12.08%) RESTful
6 79 (11.93%) Kafka
7 70 (10.57%) React
8 68 (10.27%) REST
9 66 (9.97%) HTML
10 58 (8.76%) Dagger
10 58 (8.76%) Web Services
11 53 (8.01%) Android SDK
11 53 (8.01%) Node.js
12 50 (7.55%) CSS
13 41 (6.19%) HTML5
13 41 (6.19%) RabbitMQ
13 41 (6.19%) React Native
13 41 (6.19%) Retrofit
14 35 (5.29%) Redux
15 33 (4.98%) GraphQL
Miscellaneous
1 126 (19.03%) Mobile App
2 119 (17.98%) Fintech
3 58 (8.76%) Algorithms
4 51 (7.70%) User Experience
5 50 (7.55%) Greenfield Project
6 48 (7.25%) Self-Motivation
7 47 (7.10%) Data Structures
8 29 (4.38%) Analytical Skills
9 20 (3.02%) Mobile Payment
10 19 (2.87%) Enterprise Software
11 15 (2.27%) Hedge funds
12 14 (2.11%) Online Banking
13 12 (1.81%) Equities
13 12 (1.81%) Virtual Team
14 11 (1.66%) Fixed Income
14 11 (1.66%) Foreign Exchange (FX)
14 11 (1.66%) Mobile Banking
15 7 (1.06%) Social Network
16 6 (0.91%) Bitcoin
17 4 (0.60%) Blog
Operating Systems
1 314 (47.43%) Android
2 120 (18.13%) Apple iOS
3 43 (6.50%) Linux
4 14 (2.11%) Unix
5 6 (0.91%) Mac OS X
6 5 (0.76%) CoreOS
7 4 (0.60%) Windows
8 1 (0.15%) Mac OS
Processes & Methodologies
1 353 (53.32%) Agile Software Development
2 271 (40.94%) Android Development
3 195 (29.46%) Software Engineering
4 182 (27.49%) TDD
5 146 (22.05%) Microservices
6 121 (18.28%) DevOps
7 104 (15.71%) Computer Science
8 102 (15.41%) Continuous Integration
9 100 (15.11%) Open Source
10 95 (14.35%) BDD
11 93 (14.05%) Mobile Development
12 91 (13.75%) OO
13 71 (10.73%) Mentoring
14 65 (9.82%) iOS Development
15 58 (8.76%) Test Automation
16 54 (8.16%) Multithreading
17 53 (8.01%) Scrum
18 48 (7.25%) Analytics
19 45 (6.80%) Continuous Delivery
20 44 (6.65%) Artificial Intelligence
Programming Languages
1 550 (83.08%) Java
2 150 (22.66%) JavaScript
3 132 (19.94%) Python
4 121 (18.28%) Scala
5 115 (17.37%) C++
6 104 (15.71%) Apple Swift
7 94 (14.20%) C#
8 84 (12.69%) Java 8
9 74 (11.18%) Objective-C
10 59 (8.91%) TypeScript
11 56 (8.46%) C
12 52 (7.85%) PHP
13 46 (6.95%) SQL
14 41 (6.19%) Ruby
15 34 (5.14%) ES6
16 32 (4.83%) Go
17 24 (3.63%) Perl
18 21 (3.17%) Groovy
19 16 (2.42%) Clojure
19 16 (2.42%) Erlang
Qualifications
1 93 (14.05%) Degree
2 67 (10.12%) Computer Science Degree
3 11 (1.66%) SC Cleared
3 11 (1.66%) Security Cleared
4 10 (1.51%) DV Cleared
5 6 (0.91%) CISSP
5 6 (0.91%) CREST Certified
5 6 (0.91%) CSSLP
6 5 (0.76%) Master's Degree
7 1 (0.15%) Numerate Degree
Quality Assurance & Compliance
1 48 (7.25%) QA
2 2 (0.30%) PMO
System Software
1 158 (23.87%) Docker
2 21 (3.17%) VirtualBox
2 21 (3.17%) vSphere
3 5 (0.76%) etcd
3 5 (0.76%) Virtual Machines
4 2 (0.30%) Apache Flume
5 1 (0.15%) Apache ZooKeeper
5 1 (0.15%) Firmware
Systems Management
1 105 (15.86%) Kubernetes
2 30 (4.53%) Ansible
3 23 (3.47%) Prometheus
4 18 (2.72%) Opscode Chef
5 17 (2.57%) Terraform
6 13 (1.96%) Mesos
7 10 (1.51%) Marathon
8 9 (1.36%) Kibana
9 8 (1.21%) Grafana
10 4 (0.60%) Consul
11 3 (0.45%) Docker Swarm
12 1 (0.15%) AirWatch
12 1 (0.15%) Microsoft Intune
12 1 (0.15%) Packer
12 1 (0.15%) Puppet
Vendors
1 40 (6.04%) Google
2 21 (3.17%) Samsung
3 18 (2.72%) Oracle
4 15 (2.27%) Microsoft
5 14 (2.11%) Apple
6 13 (1.96%) Atlassian
7 4 (0.60%) SAP
8 3 (0.45%) ConsenSys
8 3 (0.45%) Sawtooth Software
8 3 (0.45%) Splunk
8 3 (0.45%) Xamarin
8 3 (0.45%) Zend
9 2 (0.30%) AppDynamics
9 2 (0.30%) MapR
9 2 (0.30%) Sitecore
10 1 (0.15%) Appcelerator
10 1 (0.15%) Facebook
10 1 (0.15%) OutSystems
10 1 (0.15%) Salesforce.com
10 1 (0.15%) Twitter