Period
to 22 October 2018

The following table provides summary statistics for contract job vacancies advertised in London 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 22 October 2018 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
England > London
6 months to
22 Oct 2018
Same period 2017 Same period 2016
Rank 386 558 621
Rank change year-on-year +172 +63 -
Contract jobs citing Kotlin 246 60 7
As % of all contract IT jobs advertised in London 0.53% 0.13% 0.016%
As % of the Programming Languages category 1.06% 0.28% 0.035%
Number of daily rates quoted 210 48 7
London median daily rate £538 £550 £575
Median daily rate % change year-on-year -2.14% -4.35% -
10th Percentile £424 £409 £543
90th Percentile £678 £679 £710
England median daily rate £525 £525 £575
% change year-on-year - -8.70% -
Number of hourly rates quoted 0 0 0
London median hourly rate - - -
England median hourly rate - - -

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 London with a requirement for coding skills.

All Programming Languages
London
Contract vacancies with a requirement for coding skills 23,251 21,793 19,739
As % of all contract IT jobs advertised in London 50.35% 48.36% 44.55%
Number of daily rates quoted 17,687 16,424 14,814
London median daily rate £525 £500 £460
Median daily rate % change year-on-year +5.00% +8.70% +2.22%
10th Percentile £363 £350 £313
90th Percentile £675 £663 £631
England median daily rate £475 £450 £425
% change year-on-year +5.56% +5.88% +6.25%
Number of hourly rates quoted 124 136 110
London median hourly rate £39.00 £36.67 £33.18
Median hourly rate % change year-on-year +6.37% +10.49% +32.73%
10th Percentile £18.18 £17.88 £14.58
90th Percentile £62.81 £51.00 £68.75
England median hourly rate £42.27 £40.00 £37.50
% change year-on-year +5.66% +6.67% +2.74%

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
Contractor Daily Rate Trend in London

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

Contractor daily rate trend for Kotlin in London

Kotlin
Contractor Daily Rate Histogram in London

The daily rate distribution of IT jobs citing Kotlin in London over the 6 months to 22 October 2018.

Contractor daily rate histogram for Kotlin in London

Kotlin
Contract Job Locations in London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Kotlin within the London region over the 6 months to 22 October 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
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Central London +48 90 £596 -0.63% 32
East London - 4 £539 - 7
West London -7 3 £538 -0.46% 24
Kotlin
England

For the 6 months to 22 October 2018, 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 London region with a requirement for Kotlin.

1 161 (65.45%) Java
2 121 (49.19%) Agile Software Development
3 118 (47.97%) Android
4 112 (45.53%) TDD
5 105 (42.68%) Android Development
6 76 (30.89%) RxJava
7 49 (19.92%) Finance
7 49 (19.92%) BDD
8 48 (19.51%) Banking
9 46 (18.70%) Dagger
10 42 (17.07%) Android SDK
11 38 (15.45%) Retrofit
12 37 (15.04%) Java 8
13 36 (14.63%) Microservices
14 34 (13.82%) RESTful
15 33 (13.41%) JavaScript
15 33 (13.41%) Spring
15 33 (13.41%) Docker
16 32 (13.01%) Git (software)
17 31 (12.60%) Computer Science
17 31 (12.60%) Software Engineering
18 30 (12.20%) Degree
18 30 (12.20%) Continuous Integration
19 29 (11.79%) Open Source
20 28 (11.38%) Kubernetes
21 27 (10.98%) Go
21 27 (10.98%) Mobile App
21 27 (10.98%) Scala
21 27 (10.98%) Python
22 26 (10.57%) Pair Programming

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 10 (4.07%) Cloud Foundry
2 9 (3.66%) Elasticsearch
3 6 (2.44%) Apache Spark
4 5 (2.03%) ArcGIS
5 3 (1.22%) CMS
6 2 (0.81%) Apache
6 2 (0.81%) Confluence
6 2 (0.81%) Ethereum
7 1 (0.41%) JBoss
7 1 (0.41%) WebLogic
7 1 (0.41%) WebSphere
Applications
1 1 (0.41%) Snapchat
Business Applications
1 3 (1.22%) Distributed Ledger
Cloud Services
1 24 (9.76%) Amazon AWS
2 14 (5.69%) GitHub
3 11 (4.47%) Microsoft Azure
4 5 (2.03%) npm
5 4 (1.63%) Google Play
6 2 (0.81%) Google Cloud Platform
6 2 (0.81%) Heroku
6 2 (0.81%) IaaS
Communications & Networking
1 4 (1.63%) HTTP
1 4 (1.63%) SSL
2 2 (0.81%) Internet
2 2 (0.81%) IPFS
3 1 (0.41%) HTTPS
Database & Business Intelligence
1 19 (7.72%) PostgreSQL
2 16 (6.50%) MongoDB
3 15 (6.10%) NoSQL
4 6 (2.44%) Hadoop
5 5 (2.03%) Amazon RDS
5 5 (2.03%) Big Data
6 4 (1.63%) Blockchain
6 4 (1.63%) Redis
7 3 (1.22%) Apache Hive
7 3 (1.22%) MySQL
7 3 (1.22%) Relational Database
7 3 (1.22%) SQLite
8 2 (0.81%) Aerospike
8 2 (0.81%) Apache Cassandra
9 1 (0.41%) CockroachDB
9 1 (0.41%) InfluxDB
9 1 (0.41%) MariaDB
9 1 (0.41%) Oracle Database
Development Applications
1 32 (13.01%) Git (software)
2 26 (10.57%) Gradle
2 26 (10.57%) Jenkins
3 20 (8.13%) JUnit
4 13 (5.28%) Android Studio
5 11 (4.47%) Mockito
6 10 (4.07%) Maven
7 9 (3.66%) JIRA
8 8 (3.25%) Cucumber
9 7 (2.85%) Appium
9 7 (2.85%) Selenium
9 7 (2.85%) WebDriver
10 5 (2.03%) CircleCI
10 5 (2.03%) JMeter
10 5 (2.03%) webpack
11 4 (1.63%) git-flow
11 4 (1.63%) IntelliJ
11 4 (1.63%) TeamCity
12 3 (1.22%) Capybara
12 3 (1.22%) Subversion
General
1 49 (19.92%) Finance
2 48 (19.51%) Banking
3 24 (9.76%) Publishing
4 8 (3.25%) Automotive
5 7 (2.85%) Retail
6 6 (2.44%) Investment Banking
7 4 (1.63%) Financial Institution
8 3 (1.22%) Games
9 2 (0.81%) Retail Banking
10 1 (0.41%) Advertising
10 1 (0.41%) Front Office
10 1 (0.41%) Italian Language
10 1 (0.41%) Multimedia
Job Titles
1 195 (79.27%) Developer
2 91 (36.99%) Android Developer
3 74 (30.08%) Java Developer
4 42 (17.07%) Senior Developer
5 21 (8.54%) Senior Java Developer
6 20 (8.13%) Senior Android Developer
7 18 (7.32%) Android Engineer
8 11 (4.47%) Full Stack Developer
9 10 (4.07%) Java Engineer
10 9 (3.66%) Java Software Developer
10 9 (3.66%) Software Engineer
11 7 (2.85%) Mobile Developer
11 7 (2.85%) Software Developer
12 5 (2.03%) Agile Developer
12 5 (2.03%) Agile Java Developer
12 5 (2.03%) Java Android Developer
12 5 (2.03%) Java Software Engineer
12 5 (2.03%) Programmer
12 5 (2.03%) Senior Java Engineer
13 4 (1.63%) Applications Developer
Libraries, Frameworks & Software Standards
1 76 (30.89%) RxJava
2 46 (18.70%) Dagger
3 42 (17.07%) Android SDK
4 38 (15.45%) Retrofit
5 34 (13.82%) RESTful
6 33 (13.41%) Spring
7 24 (9.76%) Spring Boot
8 20 (8.13%) HTML
9 18 (7.32%) CSS
9 18 (7.32%) JSON
10 16 (6.50%) REST
10 16 (6.50%) Web Services
11 14 (5.69%) AngularJS
11 14 (5.69%) HTML5
12 13 (5.28%) Kafka
13 10 (4.07%) Node.js
14 9 (3.66%) XML
15 8 (3.25%) gRPC
15 8 (3.25%) RabbitMQ
15 8 (3.25%) React Native
Miscellaneous
1 31 (12.60%) Computer Science
2 27 (10.98%) Mobile App
3 25 (10.16%) Greenfield Project
4 23 (9.35%) User Experience
5 11 (4.47%) Fintech
6 8 (3.25%) Data Structures
7 7 (2.85%) Analytical Skills
8 6 (2.44%) Derivative
9 5 (2.03%) Algorithms
10 4 (1.63%) Mobile Payment
10 4 (1.63%) Over-the-Top Content
10 4 (1.63%) Video on Demand
10 4 (1.63%) Video\Live Streaming
11 3 (1.22%) Bitcoin
11 3 (1.22%) Equity Derivative
11 3 (1.22%) Grid Computing
11 3 (1.22%) Market Risk
11 3 (1.22%) Mobile Banking
12 2 (0.81%) Blog
12 2 (0.81%) Public Cloud
Operating Systems
1 118 (47.97%) Android
2 17 (6.91%) Apple iOS
3 11 (4.47%) Linux
4 5 (2.03%) Unix
5 1 (0.41%) Mac OS
5 1 (0.41%) Mac OS X
5 1 (0.41%) Windows
Processes & Methodologies
1 121 (49.19%) Agile Software Development
2 112 (45.53%) TDD
3 105 (42.68%) Android Development
4 49 (19.92%) BDD
5 36 (14.63%) Microservices
6 31 (12.60%) Software Engineering
7 30 (12.20%) Continuous Integration
8 29 (11.79%) Open Source
9 26 (10.57%) Pair Programming
10 25 (10.16%) Test Automation
11 24 (9.76%) Scrum
12 21 (8.54%) Mathematics
13 20 (8.13%) MVVM
13 20 (8.13%) OO
14 16 (6.50%) Continuous Delivery
15 14 (5.69%) Mobile Development
15 14 (5.69%) Unit Testing
16 13 (5.28%) DevOps
17 12 (4.88%) Functional Programming
17 12 (4.88%) Mentoring
Programming Languages
1 161 (65.45%) Java
2 37 (15.04%) Java 8
3 33 (13.41%) JavaScript
4 27 (10.98%) Go
4 27 (10.98%) Python
4 27 (10.98%) Scala
5 18 (7.32%) SQL
6 17 (6.91%) Clojure
7 12 (4.88%) Apple Swift
7 12 (4.88%) C
8 10 (4.07%) Haskell
9 9 (3.66%) Bash Shell
9 9 (3.66%) ES6
10 8 (3.25%) Groovy
10 8 (3.25%) Objective-C
11 7 (2.85%) C#
11 7 (2.85%) C++
12 6 (2.44%) PHP
12 6 (2.44%) Shell Script
13 3 (1.22%) Solidity
Qualifications
1 30 (12.20%) Degree
2 8 (3.25%) Computer Science Degree
Quality Assurance & Compliance
1 12 (4.88%) QA
2 3 (1.22%) PCI DSS
System Software
1 33 (13.41%) Docker
Systems Management
1 28 (11.38%) Kubernetes
2 7 (2.85%) Grafana
3 6 (2.44%) Kibana
3 6 (2.44%) logstash
4 4 (1.63%) Prometheus
5 2 (0.81%) Consul
5 2 (0.81%) Docker Swarm
5 2 (0.81%) Mesos
6 1 (0.41%) Ansible
6 1 (0.41%) Opscode Chef
6 1 (0.41%) Puppet
Vendors
1 10 (4.07%) AppDynamics
1 10 (4.07%) Google
1 10 (4.07%) Splunk
2 4 (1.63%) MuleSoft
3 2 (0.81%) Atlassian
3 2 (0.81%) Microsoft
3 2 (0.81%) Oracle
3 2 (0.81%) Salesforce.com
4 1 (0.41%) Bloomberg
4 1 (0.41%) Reuters
4 1 (0.41%) Sybase