Period
to 22 October 2019

The following table provides summary statistics for permanent job vacancies advertised in London 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 22 October 2019 with a comparison to the same period in the previous 2 years.

JetBrains Kotlin
England > London
6 months to
22 Oct 2019
Same period 2018 Same period 2017
Rank 267 465 734
Rank change year-on-year +198 +269 +106
Permanent jobs citing Kotlin 660 391 126
As % of all permanent IT jobs advertised in London 1.21% 0.57% 0.17%
As % of the Programming Languages category 2.15% 1.00% 0.31%
Number of salaries quoted 566 328 124
London median annual salary £72,500 £70,000 £70,000
Median salary % change year-on-year +3.57% - -12.50%
10th Percentile £47,500 £50,000 £46,125
90th Percentile £105,000 £103,750 £110,000
England median annual salary £67,500 £67,500 £65,000
% change year-on-year - +3.85% -18.75%

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 advertised in London with a requirement for coding skills.

All Programming Languages
London
Permanent vacancies with a requirement for coding skills 30,656 39,023 40,884
As % of all permanent IT jobs advertised in London 56.16% 57.34% 55.10%
Number of salaries quoted 25,562 32,285 32,260
London median annual salary £65,000 £62,500 £60,000
Median salary % change year-on-year +4.00% +4.17% +4.35%
10th Percentile £38,750 £37,500 £36,250
90th Percentile £100,000 £95,000 £90,000
England median annual salary £52,500 £50,000 £50,000
% change year-on-year +5.00% - +5.26%

Kotlin
Job Vacancy Trend in London

Job postings citing Kotlin as a percentage of all IT jobs advertised in London.

Job vacancy trend for Kotlin in London

Kotlin
Salary Trend in London

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing Kotlin in London.

Salary trend for Kotlin in London

Kotlin
Salary Histogram in London

The salary distribution of IT jobs citing Kotlin in London over the 6 months to 22 October 2019.

Salary histogram for Kotlin in London

Kotlin
Job Locations in London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Kotlin within the London region over the 6 months to 22 October 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
Central London +144 225 £70,000 -9.68% 61
West London +20 6 £62,500 - 15
South London - 2 £80,000 -
Kotlin
England

For the 6 months to 22 October 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 across the London region with a requirement for Kotlin.

1 509 (77.12%) Java
2 346 (52.42%) Android
3 269 (40.76%) Agile Software Development
4 266 (40.30%) Android Development
5 194 (29.39%) Fintech
6 176 (26.67%) TDD
7 158 (23.94%) Banking
8 147 (22.27%) AWS
9 146 (22.12%) Docker
9 146 (22.12%) Microservices
10 145 (21.97%) Finance
11 144 (21.82%) Software Engineering
12 143 (21.67%) Kubernetes
13 137 (20.76%) Python
14 132 (20.00%) Apple iOS
15 130 (19.70%) Mobile App
16 129 (19.55%) DevOps
17 115 (17.42%) BDD
18 100 (15.15%) Continuous Integration
19 95 (14.39%) Spring
20 89 (13.48%) RxJava
21 87 (13.18%) Open Source
22 85 (12.88%) JavaScript
22 85 (12.88%) Git (software)
22 85 (12.88%) REST
23 82 (12.42%) C#
23 82 (12.42%) Java 8
24 79 (11.97%) Google
25 74 (11.21%) Test Automation
25 74 (11.21%) Mentoring

Kotlin
Co-occurring IT Skills in London 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 22 (3.33%) Elasticsearch
2 19 (2.88%) Confluence
3 18 (2.73%) Apache Spark
4 6 (0.91%) Apache
5 4 (0.61%) Apache Airflow
5 4 (0.61%) Cloud Foundry
6 3 (0.45%) Luigi
7 2 (0.30%) Apache Solr
7 2 (0.30%) WebSphere
7 2 (0.30%) WebSphere Application Server
8 1 (0.15%) Adobe Experience Manager
8 1 (0.15%) Camunda
8 1 (0.15%) CMS
8 1 (0.15%) Headless CMS
8 1 (0.15%) Jupyter
8 1 (0.15%) nginx
8 1 (0.15%) Oracle Application Server
8 1 (0.15%) Tomcat
8 1 (0.15%) WebLogic
Applications
1 3 (0.45%) Sketch
1 3 (0.45%) Zeplin
2 1 (0.15%) MS Visio
Business Applications
1 18 (2.73%) FINCAD Analytics
2 12 (1.82%) Distributed Ledger
3 3 (0.45%) Magento
4 2 (0.30%) R3 Corda
4 2 (0.30%) SAP Hybris
Cloud Services
1 147 (22.27%) AWS
2 59 (8.94%) GCP
3 57 (8.64%) Azure
4 37 (5.61%) GitHub
5 24 (3.64%) Google Play
6 23 (3.48%) Firebase
7 19 (2.88%) Serverless
8 17 (2.58%) Amazon ECS
9 16 (2.42%) AWS Fargate
10 15 (2.27%) SaaS
11 13 (1.97%) Amazon EC2
12 11 (1.67%) SonarCloud
13 9 (1.36%) Amazon S3
14 8 (1.21%) Amazon Kinesis
14 8 (1.21%) Amazon SQS
14 8 (1.21%) AWS Lambda
15 7 (1.06%) AWS CloudFormation
15 7 (1.06%) Slack
16 4 (0.61%) npm
17 3 (0.45%) Apigee
Communications & Networking
1 11 (1.67%) HTTP
2 9 (1.36%) VPN
3 8 (1.21%) Wireless
4 6 (0.91%) Bluetooth
5 2 (0.30%) Internet
6 1 (0.15%) 5G
Database & Business Intelligence
1 51 (7.73%) PostgreSQL
2 34 (5.15%) Blockchain
3 33 (5.00%) MySQL
4 30 (4.55%) NoSQL
5 29 (4.39%) MongoDB
6 24 (3.64%) Big Data
6 24 (3.64%) Relational Database
7 23 (3.48%) Amazon DynamoDB
8 19 (2.88%) Amazon Athena
9 15 (2.27%) Hadoop
9 15 (2.27%) Redis
10 12 (1.82%) MariaDB
11 10 (1.52%) Apache Hive
12 8 (1.21%) Amazon RDS
13 7 (1.06%) Apache Cassandra
14 6 (0.91%) RDBMS
15 4 (0.61%) Amazon Redshift
15 4 (0.61%) BigQuery
16 3 (0.45%) SQL Server
17 2 (0.30%) Endeca
Development Applications
1 85 (12.88%) Git (software)
2 62 (9.39%) Jenkins
3 37 (5.61%) Android Studio
4 34 (5.15%) JIRA
4 34 (5.15%) JUnit
5 32 (4.85%) Bitbucket
6 25 (3.79%) Gradle
7 21 (3.18%) Crashlytics
8 18 (2.73%) Mockito
9 16 (2.42%) CircleCI
10 15 (2.27%) Appium
11 12 (1.82%) Cucumber
12 9 (1.36%) Maven
13 8 (1.21%) Atlassian Bamboo
14 7 (1.06%) Artifactory
14 7 (1.06%) Calabash
14 7 (1.06%) Gatling
15 6 (0.91%) TeamCity
16 5 (0.76%) GitLab
16 5 (0.76%) RSpec
General
1 158 (23.94%) Banking
2 145 (21.97%) Finance
3 62 (9.39%) Retail
4 28 (4.24%) Front Office
5 22 (3.33%) Games
6 17 (2.58%) Law
7 13 (1.97%) Financial Institution
8 8 (1.21%) Investment Banking
9 4 (0.61%) Pharmaceutical
9 4 (0.61%) Telecoms
10 3 (0.45%) Brand Awareness
10 3 (0.45%) Multimedia
10 3 (0.45%) Publishing
10 3 (0.45%) Retail Banking
11 2 (0.30%) Marketing
12 1 (0.15%) Automotive
12 1 (0.15%) Back Office
12 1 (0.15%) Electronics
12 1 (0.15%) Legal
12 1 (0.15%) Public Sector
Job Titles
1 433 (65.61%) Developer
2 206 (31.21%) Android Developer
3 135 (20.45%) Java Developer
4 86 (13.03%) Senior Developer
5 52 (7.88%) Android Engineer
6 50 (7.58%) Software Engineer
7 39 (5.91%) Senior Android Developer
8 36 (5.45%) Lead Developer
9 32 (4.85%) Mobile Developer
10 28 (4.24%) iOS Developer
10 28 (4.24%) Java Engineer
11 26 (3.94%) Senior Java Developer
12 19 (2.88%) Lead DevOps
13 16 (2.42%) iOS Android Developer
14 15 (2.27%) DevOps Engineer
14 15 (2.27%) Python Developer
15 14 (2.12%) Full Stack Developer
16 13 (1.97%) Java Software Engineer
16 13 (1.97%) Senior Software Engineer
17 12 (1.82%) Software Developer
Libraries, Frameworks & Software Standards
1 95 (14.39%) Spring
2 89 (13.48%) RxJava
3 85 (12.88%) REST
4 62 (9.39%) Dagger
4 62 (9.39%) Spring Boot
5 59 (8.94%) Node.js
6 58 (8.79%) RESTful
7 47 (7.12%) React
8 46 (6.97%) Web Services
9 39 (5.91%) Kafka
10 37 (5.61%) HTML
11 36 (5.45%) CSS
12 35 (5.30%) .NET
13 34 (5.15%) HTML5
14 33 (5.00%) Android SDK
14 33 (5.00%) AngularJS
15 32 (4.85%) GraphQL
16 29 (4.39%) React Native
17 25 (3.79%) J2EE
18 24 (3.64%) Retrofit
Miscellaneous
1 130 (19.70%) Mobile App
2 44 (6.67%) Algorithms
2 44 (6.67%) Greenfield Project
3 43 (6.52%) User Experience
4 33 (5.00%) Data Structures
5 28 (4.24%) iPad
6 27 (4.09%) Equities
7 23 (3.48%) Fixed Income
8 22 (3.33%) Derivative
8 22 (3.33%) Social Network
9 18 (2.73%) Analytical Skills
9 18 (2.73%) Foreign Exchange (FX)
10 16 (2.42%) Online Banking
10 16 (2.42%) Self-Motivation
11 15 (2.27%) Enterprise Software
12 11 (1.67%) Cloud Native
12 11 (1.67%) Data Centre
13 10 (1.52%) Digital Currency
13 10 (1.52%) Hedge funds
14 9 (1.36%) Virtual Team
Operating Systems
1 346 (52.42%) Android
2 132 (20.00%) Apple iOS
3 46 (6.97%) Linux
4 12 (1.82%) Unix
5 7 (1.06%) CentOS
5 7 (1.06%) Debian
5 7 (1.06%) Embedded Linux
5 7 (1.06%) Ubuntu
5 7 (1.06%) Windows
6 5 (0.76%) Mac OS X
Processes & Methodologies
1 269 (40.76%) Agile Software Development
2 266 (40.30%) Android Development
3 194 (29.39%) Fintech
4 176 (26.67%) TDD
5 146 (22.12%) Microservices
6 144 (21.82%) Software Engineering
7 129 (19.55%) DevOps
8 115 (17.42%) BDD
9 100 (15.15%) Continuous Integration
10 87 (13.18%) Open Source
11 74 (11.21%) Mentoring
11 74 (11.21%) Test Automation
12 73 (11.06%) Mobile Development
13 71 (10.76%) Computer Science
14 62 (9.39%) iOS Development
15 60 (9.09%) Scrum
16 59 (8.94%) Problem-Solving
17 53 (8.03%) OO
18 52 (7.88%) Decision-Making
19 48 (7.27%) Pair Programming
Programming Languages
1 509 (77.12%) Java
2 137 (20.76%) Python
3 85 (12.88%) JavaScript
4 82 (12.42%) C#
4 82 (12.42%) Java 8
5 69 (10.45%) Apple Swift
6 68 (10.30%) Scala
7 45 (6.82%) Go
8 43 (6.52%) SQL
9 40 (6.06%) C++
9 40 (6.06%) TypeScript
10 30 (4.55%) ES6
11 29 (4.39%) Objective-C
12 26 (3.94%) Haskell
12 26 (3.94%) PHP
13 18 (2.73%) Ruby
14 16 (2.42%) Rust
15 14 (2.12%) Erlang
15 14 (2.12%) Java 9
16 13 (1.97%) Groovy
Qualifications
1 62 (9.39%) Degree
2 43 (6.52%) Computer Science Degree
3 7 (1.06%) AWS Certification
4 2 (0.30%) CISSP
4 2 (0.30%) CREST Certified
4 2 (0.30%) CSSLP
4 2 (0.30%) Sun Certification
Quality Assurance & Compliance
1 57 (8.64%) QA
2 7 (1.06%) PCI DSS
3 1 (0.15%) GDPR
3 1 (0.15%) MiFID
3 1 (0.15%) PSD2
System Software
1 146 (22.12%) Docker
2 8 (1.21%) Firmware
Systems Management
1 143 (21.67%) Kubernetes
2 27 (4.09%) Ansible
3 26 (3.94%) Prometheus
4 24 (3.64%) Puppet
4 24 (3.64%) Terraform
5 23 (3.48%) Grafana
6 17 (2.58%) Opscode Chef
7 16 (2.42%) Packer
8 13 (1.97%) Istio
8 13 (1.97%) Kibana
9 10 (1.52%) Mesos
10 7 (1.06%) logstash
11 5 (0.76%) Marathon
12 1 (0.15%) Graphite
12 1 (0.15%) Knative
12 1 (0.15%) Salt
Vendors
1 79 (11.97%) Google
2 23 (3.48%) Oracle
3 19 (2.88%) Bloomberg
4 17 (2.58%) Dynatrace
5 5 (0.76%) Adobe
5 5 (0.76%) Twitter
6 4 (0.61%) Instagram
6 4 (0.61%) Splunk
6 4 (0.61%) Xamarin
7 3 (0.45%) Apple
7 3 (0.45%) ATG
7 3 (0.45%) Demandware
7 3 (0.45%) Elastic Path
7 3 (0.45%) hybris
7 3 (0.45%) IBM
7 3 (0.45%) MuleSoft
7 3 (0.45%) SAP
8 2 (0.30%) Foundry
8 2 (0.30%) Salesforce.com
8 2 (0.30%) Sitecore