Period
to 13 November 2019

The following table provides summary statistics for contract job vacancies advertised in England with a requirement for Kotlin skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Kotlin over the 6 months to 13 November 2019 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

JetBrains Kotlin
UK > England
6 months to
13 Nov 2019
Same period 2018 Same period 2017
Rank 392 568 780
Rank change year-on-year +176 +212 +94
Contract jobs citing Kotlin 467 317 98
As % of all contract IT jobs advertised in England 0.61% 0.33% 0.10%
As % of the Programming Languages category 1.44% 0.74% 0.25%
Number of daily rates quoted 326 256 80
England median daily rate £513 £504 £450
Median daily rate % change year-on-year +1.74% +11.94% -21.74%
10th Percentile £390 £400 £363
90th Percentile £705 £666 £638
UK median daily rate £503 £500 £450
% change year-on-year +0.50% +11.11% -21.74%
Number of hourly rates quoted 2 0 0
England median hourly rate £46.93 - -
UK median hourly rate £46.93 - -

Kotlin is in the Programming Languages category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in England with a requirement for coding skills.

All Programming Languages
England
Contract vacancies with a requirement for coding skills 32,343 42,703 39,703
As % of all contract IT jobs advertised in England 41.95% 45.03% 42.26%
Number of daily rates quoted 22,605 30,386 27,950
England median daily rate £488 £475 £450
Median daily rate % change year-on-year +2.63% +5.56% +5.88%
10th Percentile £325 £320 £310
90th Percentile £650 £650 £638
UK median daily rate £475 £475 £450
% change year-on-year - +5.56% +5.88%
Number of hourly rates quoted 638 628 754
England median hourly rate £44.00 £42.19 £40.00
Median hourly rate % change year-on-year +4.29% +5.48% +6.67%
10th Percentile £18.00 £17.22 £16.43
90th Percentile £55.00 £52.50 £52.50
UK median hourly rate £43.00 £41.53 £40.00
% change year-on-year +3.54% +3.83% +6.67%

Kotlin
Job Vacancy Trend in England

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

Job vacancy trend for Kotlin in England

Kotlin
Contractor Daily Rate Trend in England

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Kotlin in England.

Contractor daily rate trend for Kotlin in England

Kotlin
Contractor Daily Rate Histogram in England

The daily rate distribution of IT jobs citing Kotlin in England over the 6 months to 13 November 2019.

Contractor daily rate histogram for Kotlin in England

Kotlin
Contractor Hourly Rate Trend in England

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing Kotlin in England.

Contractor hourly rate trend for Kotlin in England

Kotlin
Contract Job Locations in England

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Kotlin within the England region over the 6 months to 13 November 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
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
London +125 348 £550 +4.76% 157
North of England +43 46 £475 +26.67% 43
South East +67 43 £420 -12.95% 23
Yorkshire +29 23 £475 +13.10% 17
North West +12 23 £425 +21.43% 20
South West +14 12 £450 - 10
Midlands +41 2 £438 -7.89% 8
West Midlands +36 2 £438 +2.94% 2
East of England +23 1 £350 - 8
Kotlin
UK

For the 6 months to 13 November 2019, IT contractor 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 contract job ads across the England region with a requirement for Kotlin.

1 316 (67.67%) Java
2 286 (61.24%) Android
3 249 (53.32%) Android Development
4 208 (44.54%) Agile Software Development
5 144 (30.84%) TDD
6 89 (19.06%) Microservices
7 79 (16.92%) RxJava
7 79 (16.92%) Banking
8 78 (16.70%) Software Engineering
9 76 (16.27%) Mobile App
10 72 (15.42%) Apple iOS
11 70 (14.99%) Dagger
12 65 (13.92%) Finance
12 65 (13.92%) JavaScript
13 59 (12.63%) Spring
13 59 (12.63%) Jenkins
14 57 (12.21%) DevOps
15 56 (11.99%) SQL
16 55 (11.78%) Google
16 55 (11.78%) REST
17 54 (11.56%) Android SDK
17 54 (11.56%) Mobile Development
18 52 (11.13%) Web Services
19 51 (10.92%) AWS
20 50 (10.71%) Scala
20 50 (10.71%) Git (software)
20 50 (10.71%) Apple Swift
20 50 (10.71%) User Experience
21 46 (9.85%) Docker
22 45 (9.64%) RESTful

Kotlin
Co-occurring IT Skills in England 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 19 (4.07%) Confluence
2 11 (2.36%) Apache Spark
3 8 (1.71%) Cloud Foundry
4 5 (1.07%) Elasticsearch
5 3 (0.64%) nginx
5 3 (0.64%) WebLogic
6 2 (0.43%) Apache
6 2 (0.43%) Jetty
6 2 (0.43%) Skype for Business
6 2 (0.43%) WebSphere
7 1 (0.21%) Apache Solr
7 1 (0.21%) ColdFusion
7 1 (0.21%) Hyperledger
7 1 (0.21%) OpenStack
7 1 (0.21%) Oracle Application Server
7 1 (0.21%) Tomcat
Applications
1 8 (1.71%) Sketch
1 8 (1.71%) Zeplin
2 1 (0.21%) MS Visio
Business Applications
1 15 (3.21%) FINCAD Analytics
2 9 (1.93%) R3 Corda
3 5 (1.07%) Distributed Ledger
Cloud Services
1 51 (10.92%) AWS
2 34 (7.28%) GCP
3 33 (7.07%) Azure
4 29 (6.21%) GitHub
5 11 (2.36%) Firebase
5 11 (2.36%) Serverless
6 10 (2.14%) Amazon Kinesis
7 9 (1.93%) AWS Lambda
8 4 (0.86%) AWS CloudFormation
8 4 (0.86%) Fastly
8 4 (0.86%) Heroku
8 4 (0.86%) OpenShift
9 3 (0.64%) Amazon EC2
9 3 (0.64%) Amazon S3
9 3 (0.64%) Google Play
10 2 (0.43%) Amazon CloudWatch
10 2 (0.43%) Apigee
10 2 (0.43%) Cloud Computing
10 2 (0.43%) npm
10 2 (0.43%) SaaS
Communications & Networking
1 15 (3.21%) HTTP
2 9 (1.93%) HTTPS
3 5 (1.07%) DNS
4 4 (0.86%) Bluetooth
4 4 (0.86%) Internet
5 1 (0.21%) FTP
Database & Business Intelligence
1 43 (9.21%) MongoDB
2 32 (6.85%) NoSQL
3 28 (6.00%) Apache Cassandra
4 25 (5.35%) Neo4j
5 23 (4.93%) Amazon DynamoDB
6 20 (4.28%) Redis
7 19 (4.07%) PostgreSQL
7 19 (4.07%) Relational Database
8 17 (3.64%) Couchbase
8 17 (3.64%) HBase
9 15 (3.21%) Amazon Athena
9 15 (3.21%) DB2
9 15 (3.21%) MariaDB
9 15 (3.21%) RDBMS
10 13 (2.78%) Amazon Aurora
11 12 (2.57%) SQLite
12 10 (2.14%) Apache Hive
12 10 (2.14%) Hadoop
12 10 (2.14%) InfluxDB
13 9 (1.93%) Blockchain
Development Applications
1 59 (12.63%) Jenkins
2 50 (10.71%) Git (software)
3 41 (8.78%) JIRA
4 38 (8.14%) Gradle
5 34 (7.28%) JUnit
6 31 (6.64%) Android Studio
7 23 (4.93%) Cucumber
8 15 (3.21%) GitLab
8 15 (3.21%) Mockito
8 15 (3.21%) TeamCity
9 14 (3.00%) Maven
10 12 (2.57%) git-flow
11 11 (2.36%) Xcode
12 10 (2.14%) Selenium
13 9 (1.93%) Calabash
14 7 (1.50%) GoCD
14 7 (1.50%) JMeter
14 7 (1.50%) Subversion
15 6 (1.28%) CircleCI
15 6 (1.28%) webpack
General
1 79 (16.92%) Banking
2 65 (13.92%) Finance
3 35 (7.49%) Front Office
4 15 (3.21%) Retail
5 9 (1.93%) Marketing
5 9 (1.93%) Publishing
6 8 (1.71%) Automotive
6 8 (1.71%) Retail Banking
7 5 (1.07%) Electronics
7 5 (1.07%) Telecoms
8 4 (0.86%) Advertising
8 4 (0.86%) Local Government
8 4 (0.86%) Public Sector
9 3 (0.64%) Law
9 3 (0.64%) Manufacturing
10 2 (0.43%) Back Office
10 2 (0.43%) Investment Banking
11 1 (0.21%) Corporate Banking
11 1 (0.21%) Games
Job Titles
1 370 (79.23%) Developer
2 229 (49.04%) Android Developer
3 76 (16.27%) Java Developer
4 60 (12.85%) Senior Developer
5 26 (5.57%) Senior Android Developer
6 24 (5.14%) Lead Developer
6 24 (5.14%) Software Engineer
7 23 (4.93%) Agile Developer
8 21 (4.50%) Lead Android Developer
9 20 (4.28%) Android Engineer
10 19 (4.07%) Java Engineer
10 19 (4.07%) Senior Java Developer
11 18 (3.85%) iOS Developer
12 14 (3.00%) Agile Java Developer
12 14 (3.00%) Mobile Developer
13 11 (2.36%) AWS Engineer
13 11 (2.36%) Senior Software Engineer
14 10 (2.14%) AWS Developer
14 10 (2.14%) Data Engineer
14 10 (2.14%) Scala Developer
Libraries, Frameworks & Software Standards
1 79 (16.92%) RxJava
2 70 (14.99%) Dagger
3 59 (12.63%) Spring
4 55 (11.78%) REST
5 54 (11.56%) Android SDK
6 52 (11.13%) Web Services
7 45 (9.64%) RESTful
7 45 (9.64%) Retrofit
8 33 (7.07%) Kafka
9 32 (6.85%) Node.js
10 30 (6.42%) Spring Boot
11 25 (5.35%) React
12 24 (5.14%) JSON
13 20 (4.28%) HTML
14 18 (3.85%) Material Design
15 17 (3.64%) CSS
16 16 (3.43%) XML
17 15 (3.21%) SOAP
18 14 (3.00%) J2EE
19 12 (2.57%) AngularJS
Miscellaneous
1 76 (16.27%) Mobile App
2 50 (10.71%) User Experience
3 27 (5.78%) Derivative
4 25 (5.35%) Greenfield Project
5 23 (4.93%) Equity Derivative
6 18 (3.85%) Foreign Exchange (FX)
7 17 (3.64%) Fixed Income
7 17 (3.64%) Market Risk
8 16 (3.43%) Data Structures
9 15 (3.21%) Hedge funds
10 13 (2.78%) Analytical Skills
11 11 (2.36%) iPad
12 9 (1.93%) Animation
12 9 (1.93%) Equities
13 8 (1.71%) Smartphone
14 7 (1.50%) Client/Server
14 7 (1.50%) Grid Computing
14 7 (1.50%) Mobile Banking
14 7 (1.50%) Self-Motivation
15 6 (1.28%) Video on Demand
Operating Systems
1 286 (61.24%) Android
2 72 (15.42%) Apple iOS
3 24 (5.14%) Linux
4 13 (2.78%) Windows
5 8 (1.71%) Unix
6 6 (1.28%) Ubuntu
7 5 (1.07%) Mac OS
8 2 (0.43%) Red Hat Enterprise Linux
8 2 (0.43%) VMS
9 1 (0.21%) Mac OS X
Processes & Methodologies
1 249 (53.32%) Android Development
2 208 (44.54%) Agile Software Development
3 144 (30.84%) TDD
4 89 (19.06%) Microservices
5 78 (16.70%) Software Engineering
6 57 (12.21%) DevOps
7 54 (11.56%) Mobile Development
8 44 (9.42%) BDD
8 44 (9.42%) Continuous Integration
8 44 (9.42%) Scrum
9 43 (9.21%) Pair Programming
10 40 (8.57%) Fintech
11 39 (8.35%) MVVM
12 36 (7.71%) Test Automation
13 29 (6.21%) Unit Testing
14 26 (5.57%) E-Commerce
14 26 (5.57%) iOS Development
15 24 (5.14%) Migration
16 23 (4.93%) Analytics
16 23 (4.93%) Multithreading
Programming Languages
1 316 (67.67%) Java
2 65 (13.92%) JavaScript
3 56 (11.99%) SQL
4 50 (10.71%) Apple Swift
4 50 (10.71%) Scala
5 39 (8.35%) Java 8
6 38 (8.14%) Python
7 21 (4.50%) Clojure
8 18 (3.85%) Go
9 17 (3.64%) Objective-C
10 15 (3.21%) Ruby
11 13 (2.78%) ClojureScript
12 11 (2.36%) C#
13 9 (1.93%) C++
14 8 (1.71%) Haskell
15 6 (1.28%) C
15 6 (1.28%) Groovy
15 6 (1.28%) TypeScript
16 5 (1.07%) PHP
17 4 (0.86%) PowerShell
Qualifications
1 17 (3.64%) Degree
2 4 (0.86%) MCSE
2 4 (0.86%) Microsoft Certification
3 3 (0.64%) Master's Degree
4 2 (0.43%) Computer Science Degree
4 2 (0.43%) ISTQB
4 2 (0.43%) ISTQB Foundation Certification
Quality Assurance & Compliance
1 2 (0.43%) PCI DSS
2 1 (0.21%) GDPR
System Software
1 46 (9.85%) Docker
2 8 (1.71%) HDFS
3 4 (0.86%) Active Directory
4 1 (0.21%) Virtual Machines
4 1 (0.21%) VMware Infrastructure
Systems Management
1 41 (8.78%) Kubernetes
2 18 (3.85%) Grafana
3 12 (2.57%) Ansible
4 10 (2.14%) Prometheus
5 8 (1.71%) Terraform
6 6 (1.28%) Hadoop YARN
7 5 (1.07%) Graphite
8 3 (0.64%) Consul
8 3 (0.64%) HockeyApp
8 3 (0.64%) Mesos
8 3 (0.64%) Rancher
9 2 (0.43%) Kibana
9 2 (0.43%) Opscode Chef
10 1 (0.21%) logstash
10 1 (0.21%) Marathon
10 1 (0.21%) Nagios
10 1 (0.21%) Puppet
10 1 (0.21%) StatsD
Vendors
1 55 (11.78%) Google
2 37 (7.92%) Oracle
3 15 (3.21%) Sybase
4 7 (1.50%) MuleSoft
4 7 (1.50%) Splunk
5 6 (1.28%) Microsoft
6 5 (1.07%) CA
6 5 (1.07%) CA Agile Central
7 3 (0.64%) AppDynamics
7 3 (0.64%) New Relic
7 3 (0.64%) Perforce
7 3 (0.64%) SAP
7 3 (0.64%) Xamarin
8 2 (0.43%) Apple
8 2 (0.43%) Bloomberg
8 2 (0.43%) Cypress Semiconductor
8 2 (0.43%) OutSystems
8 2 (0.43%) Reuters
8 2 (0.43%) Teradata
8 2 (0.43%) TOWER Software