Period
to 24 May 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 24 May 2019 with a comparison to the same period in the previous 2 years.

JetBrains Kotlin
England > London
6 months to
24 May 2019
Same period 2018 Same period 2017
Rank 369 503 768
Rank change year-on-year +134 +265 +123
Permanent jobs citing Kotlin 465 336 63
As % of all permanent IT jobs advertised in London 0.79% 0.48% 0.092%
As % of the Programming Languages category 1.40% 0.87% 0.17%
Number of salaries quoted 354 302 61
London median annual salary £70,000 £73,750 £75,000
Median salary % change year-on-year -5.08% -1.67% +25.00%
10th Percentile £50,000 £50,000 £53,750
90th Percentile £98,525 £112,500 £100,000
England median annual salary £62,500 £67,500 £75,000
% change year-on-year -7.41% -10.00% +25.00%

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 33,187 38,827 37,864
As % of all permanent IT jobs advertised in London 56.53% 56.02% 55.39%
Number of salaries quoted 27,848 32,053 32,354
London median annual salary £65,000 £60,000 £60,000
Median salary % change year-on-year +8.33% - +9.09%
10th Percentile £38,500 £37,500 £35,000
90th Percentile £95,000 £92,500 £90,000
England median annual salary £52,500 £50,000 £47,500
% 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 24 May 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 24 May 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 +90 130 £72,500 -3.33% 50
West London +42 13 £62,500 -12.59% 6
Kotlin
England

For the 6 months to 24 May 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.

1 347 (74.62%) Java
2 224 (48.17%) Android
3 211 (45.38%) Agile Software Development
4 189 (40.65%) Android Development
5 132 (28.39%) Fintech
6 123 (26.45%) Microservices
7 121 (26.02%) Software Engineering
8 115 (24.73%) Docker
9 106 (22.80%) TDD
9 106 (22.80%) Banking
10 104 (22.37%) Git (software)
11 99 (21.29%) RxJava
12 98 (21.08%) Finance
13 96 (20.65%) Kubernetes
14 92 (19.78%) Mobile App
15 87 (18.71%) Apple iOS
16 80 (17.20%) Python
17 74 (15.91%) Computer Science
18 72 (15.48%) DevOps
19 71 (15.27%) Scala
20 69 (14.84%) BDD
21 67 (14.41%) Spring
22 64 (13.76%) Mobile Development
23 62 (13.33%) Degree
24 61 (13.12%) Kafka
24 61 (13.12%) Dagger
25 60 (12.90%) REST
25 60 (12.90%) Apple Swift
26 59 (12.69%) JavaScript
27 57 (12.26%) MVVM

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 15 (3.23%) Elasticsearch
2 8 (1.72%) Confluence
2 8 (1.72%) Ethereum
3 6 (1.29%) Apache Spark
4 5 (1.08%) Hyperledger
5 4 (0.86%) MQSeries
6 3 (0.65%) Cloud Foundry
Business Applications
1 24 (5.16%) R3 Corda
2 17 (3.66%) Distributed Ledger
Cloud Services
1 54 (11.61%) Amazon AWS
2 30 (6.45%) GitHub
3 17 (3.66%) Microsoft Azure
4 15 (3.23%) Google Cloud Platform
5 11 (2.37%) Google Play
6 9 (1.94%) IaaS
6 9 (1.94%) PaaS
7 7 (1.51%) Serverless
8 5 (1.08%) AWS Lambda
8 5 (1.08%) Datadog
9 4 (0.86%) SaaS
10 3 (0.65%) Amazon EC2
10 3 (0.65%) AWS Fargate
10 3 (0.65%) Slack
11 2 (0.43%) Heroku
12 1 (0.22%) Amazon SQS
12 1 (0.22%) Apple Pay
12 1 (0.22%) CloudFront
12 1 (0.22%) Google Pay
12 1 (0.22%) npm
Communications & Networking
1 10 (2.15%) Internet
2 9 (1.94%) HTTP
3 8 (1.72%) IPFS
4 5 (1.08%) 5G
5 2 (0.43%) HTTPS
5 2 (0.43%) SSL
5 2 (0.43%) TCP/IP
6 1 (0.22%) AMQP
6 1 (0.22%) Bluetooth
Database & Business Intelligence
1 45 (9.68%) Blockchain
2 26 (5.59%) MongoDB
3 20 (4.30%) Relational Database
4 18 (3.87%) Big Data
5 15 (3.23%) NoSQL
6 14 (3.01%) MySQL
6 14 (3.01%) Redis
7 9 (1.94%) Apache Cassandra
7 9 (1.94%) PostgreSQL
7 9 (1.94%) RDBMS
8 7 (1.51%) Hadoop
9 6 (1.29%) MariaDB
10 5 (1.08%) Data Lake
11 4 (0.86%) SQL Server
12 3 (0.65%) Oracle Database
13 2 (0.43%) Aerospike
13 2 (0.43%) Amazon DynamoDB
13 2 (0.43%) BigQuery
13 2 (0.43%) Electronic Patient Records
13 2 (0.43%) Parquet
Development Applications
1 104 (22.37%) Git (software)
2 45 (9.68%) JUnit
3 44 (9.46%) Gradle
4 42 (9.03%) Mockito
5 36 (7.74%) Android Studio
6 32 (6.88%) Jenkins
7 28 (6.02%) Maven
8 26 (5.59%) Cucumber
9 18 (3.87%) Selenium
10 16 (3.44%) CocoaPods
10 16 (3.44%) fastlane
10 16 (3.44%) JIRA
11 10 (2.15%) Appium
11 10 (2.15%) CircleCI
11 10 (2.15%) Gatling
11 10 (2.15%) IBM UrbanCode
11 10 (2.15%) Sonatype Nexus
11 10 (2.15%) TeamCity
12 9 (1.94%) Bitbucket
13 7 (1.51%) Calabash
General
1 106 (22.80%) Banking
2 98 (21.08%) Finance
3 34 (7.31%) Retail
4 24 (5.16%) Law
5 10 (2.15%) Financial Institution
6 9 (1.94%) Games
6 9 (1.94%) Investment Banking
7 8 (1.72%) Front Office
8 6 (1.29%) Publishing
8 6 (1.29%) Retail Banking
9 5 (1.08%) Electronics
9 5 (1.08%) Telecoms
10 4 (0.86%) Automotive
11 3 (0.65%) Marketing
12 2 (0.43%) Back Office
13 1 (0.22%) Billing
Job Titles
1 314 (67.53%) Developer
2 146 (31.40%) Android Developer
3 100 (21.51%) Java Developer
4 60 (12.90%) Senior Developer
5 41 (8.82%) Software Engineer
6 30 (6.45%) Architect
7 27 (5.81%) Java Engineer
7 27 (5.81%) Senior Java Developer
8 26 (5.59%) Android Engineer
9 24 (5.16%) Senior Android Developer
9 24 (5.16%) Solutions Architect
10 20 (4.30%) Lead Developer
11 16 (3.44%) Mobile Architect
11 16 (3.44%) Mobile Solutions Architect
12 14 (3.01%) Blockchain Developer
13 13 (2.80%) AWS Developer
13 13 (2.80%) C# Developer
13 13 (2.80%) Mobile Developer
13 13 (2.80%) Scala Developer
14 12 (2.58%) Java Software Engineer
Libraries, Frameworks & Software Standards
1 99 (21.29%) RxJava
2 67 (14.41%) Spring
3 61 (13.12%) Dagger
3 61 (13.12%) Kafka
4 60 (12.90%) REST
5 51 (10.97%) Spring Boot
6 41 (8.82%) Android SDK
7 39 (8.39%) RESTful
7 39 (8.39%) Web Services
8 36 (7.74%) HTML
9 35 (7.53%) Retrofit
10 32 (6.88%) .NET
10 32 (6.88%) Node.js
11 29 (6.24%) React
12 23 (4.95%) HTML5
13 21 (4.52%) CSS
13 21 (4.52%) Middleware
14 16 (3.44%) AngularJS
14 16 (3.44%) ReactiveCocoa
15 14 (3.01%) Redux
Miscellaneous
1 132 (28.39%) Fintech
2 92 (19.78%) Mobile App
3 35 (7.53%) Greenfield Project
4 30 (6.45%) Mobile Banking
5 19 (4.09%) User Experience
6 16 (3.44%) Online Banking
6 16 (3.44%) Self-Motivation
6 16 (3.44%) Virtual Team
7 14 (3.01%) Algorithms
7 14 (3.01%) iPad
8 12 (2.58%) Data Structures
9 10 (2.15%) Hedge funds
9 10 (2.15%) Social Network
10 9 (1.94%) Enterprise Software
11 8 (1.72%) Linux Command Line
12 6 (1.29%) Analytical Skills
13 5 (1.08%) Equities
13 5 (1.08%) Fixed Income
14 4 (0.86%) Foreign Exchange (FX)
15 3 (0.65%) Social Media
Operating Systems
1 224 (48.17%) Android
2 87 (18.71%) Apple iOS
3 18 (3.87%) Linux
4 14 (3.01%) Unix
5 6 (1.29%) Mac OS X
6 3 (0.65%) CentOS
6 3 (0.65%) Debian
6 3 (0.65%) Ubuntu
Processes & Methodologies
1 211 (45.38%) Agile Software Development
2 189 (40.65%) Android Development
3 123 (26.45%) Microservices
4 121 (26.02%) Software Engineering
5 106 (22.80%) TDD
6 74 (15.91%) Computer Science
7 72 (15.48%) DevOps
8 69 (14.84%) BDD
9 64 (13.76%) Mobile Development
10 57 (12.26%) MVVM
11 55 (11.83%) Continuous Integration
12 52 (11.18%) Open Source
13 43 (9.25%) iOS Development
14 39 (8.39%) Mentoring
15 35 (7.53%) Scrum
16 33 (7.10%) Problem-Solving
17 32 (6.88%) Machine Learning
17 32 (6.88%) OO
17 32 (6.88%) OOP
18 31 (6.67%) Technical Leadership
Programming Languages
1 347 (74.62%) Java
2 80 (17.20%) Python
3 71 (15.27%) Scala
4 60 (12.90%) Apple Swift
5 59 (12.69%) JavaScript
6 48 (10.32%) Java 8
7 46 (9.89%) C#
8 31 (6.67%) C++
9 28 (6.02%) Objective-C
10 23 (4.95%) SQL
11 20 (4.30%) Clojure
11 20 (4.30%) Groovy
11 20 (4.30%) Ruby
12 15 (3.23%) TypeScript
13 13 (2.80%) C
14 12 (2.58%) ES6
15 10 (2.15%) Erlang
16 8 (1.72%) Go
16 8 (1.72%) Jython
16 8 (1.72%) Rust
Qualifications
1 62 (13.33%) Degree
2 42 (9.03%) Computer Science Degree
3 4 (0.86%) CISSP
3 4 (0.86%) CREST Certified
3 4 (0.86%) CSSLP
4 3 (0.65%) AWS Certification
5 1 (0.22%) A+ Certification
5 1 (0.22%) Numerate Degree
Quality Assurance & Compliance
1 25 (5.38%) QA
System Software
1 115 (24.73%) Docker
2 2 (0.43%) Apache Flume
2 2 (0.43%) Virtual Machines
Systems Management
1 96 (20.65%) Kubernetes
2 22 (4.73%) Mesos
3 21 (4.52%) Prometheus
4 16 (3.44%) Ansible
4 16 (3.44%) Marathon
5 13 (2.80%) Opscode Chef
6 12 (2.58%) Terraform
7 8 (1.72%) Kibana
8 6 (1.29%) Grafana
8 6 (1.29%) Istio
9 3 (0.65%) logstash
9 3 (0.65%) Packer
9 3 (0.65%) Puppet
Vendors
1 28 (6.02%) Google
2 14 (3.01%) Oracle
3 13 (2.80%) Microsoft
4 10 (2.15%) AppDynamics
4 10 (2.15%) Splunk
5 6 (1.29%) Bloomberg
5 6 (1.29%) Instagram
5 6 (1.29%) Twitter
6 5 (1.08%) Apple
7 3 (0.65%) ConsenSys
7 3 (0.65%) Dynatrace
7 3 (0.65%) Sawtooth Software
8 2 (0.43%) Cognizant
8 2 (0.43%) MapR
8 2 (0.43%) Reuters
9 1 (0.22%) Atlassian
9 1 (0.22%) IONA
9 1 (0.22%) Spotify
9 1 (0.22%) Xamarin