Period
to 24 May 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 24 May 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
24 May 2018
Same period 2017 Same period 2016
Rank 417 573 -
Rank change year-on-year +156 - -
Contract jobs citing Kotlin 216 14 0
As % of all contract IT jobs advertised in London 0.47% 0.035% -
As % of the Programming Languages category 0.97% 0.077% -
Number of daily rates quoted 182 14 0
London median daily rate £540 £625 -
Median daily rate % change year-on-year -13.60% - -
England median daily rate £525 £625 -
% change year-on-year -16.00% - -
Number of hourly rates quoted 0 0 0
London median hourly rate - - -
England median hourly rate £25.00 - -

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 22,186 18,265 18,575
As % of all contract IT jobs advertised in London 48.65% 46.30% 42.89%
Number of daily rates quoted 16,926 13,588 13,982
London median daily rate £500 £480 £450
Median daily rate % change year-on-year +4.17% +6.67% -
10th Percentile £356 £325 £306
90th Percentile £675 £650 £638
England median daily rate £475 £445 £425
% change year-on-year +6.74% +4.71% +6.25%
Number of hourly rates quoted 210 127 109
London median hourly rate £41.46 £42.50 £30.00
Median hourly rate % change year-on-year -2.46% +41.67% +3.90%
10th Percentile £17.94 £17.65 £14.10
90th Percentile £56.29 £55.03 £57.50
England median hourly rate £41.00 £41.50 £38.75
% change year-on-year -1.20% +7.10% +10.71%

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 24 May 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 24 May 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 +9 62 £613 -2.00% 18
West London - 9 £540 - 10
Kotlin
England

For the 6 months to 24 May 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.

1 154 (71.30%) Java
2 135 (62.50%) Agile Software Development
3 114 (52.78%) TDD
4 109 (50.46%) Android
5 99 (45.83%) Android Development
6 74 (34.26%) RxJava
7 61 (28.24%) Scala
7 61 (28.24%) Dagger
8 58 (26.85%) Retrofit
9 57 (26.39%) RESTful
9 57 (26.39%) BDD
10 52 (24.07%) Continuous Integration
11 51 (23.61%) Microservices
12 47 (21.76%) DevOps
13 46 (21.30%) Android SDK
13 46 (21.30%) Web Services
14 43 (19.91%) Java 8
15 40 (18.52%) Software Engineering
16 37 (17.13%) JavaScript
17 36 (16.67%) Finance
17 36 (16.67%) REST
18 35 (16.20%) Spring
18 35 (16.20%) Continuous Delivery
19 30 (13.89%) Pair Programming
19 30 (13.89%) Kanban
20 29 (13.43%) Open Source
20 29 (13.43%) Banking
20 29 (13.43%) SQL
20 29 (13.43%) OOP
21 28 (12.96%) Linux

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 23 (10.65%) Elasticsearch
2 4 (1.85%) Apache
2 4 (1.85%) Cloud Foundry
3 3 (1.39%) ArcGIS
3 3 (1.39%) WebLogic
3 3 (1.39%) WebSphere
4 2 (0.93%) Apache Spark
4 2 (0.93%) Confluence
4 2 (0.93%) MQSeries
5 1 (0.46%) Ethereum
5 1 (0.46%) Jupyter
Business Applications
1 2 (0.93%) R3 Corda
2 1 (0.46%) Distributed Ledger
Cloud Services
1 18 (8.33%) Amazon AWS
2 12 (5.56%) GitHub
3 9 (4.17%) Google Play
4 7 (3.24%) Microsoft Azure
5 4 (1.85%) Firebase
6 3 (1.39%) IaaS
7 1 (0.46%) Google Cloud Platform
Communications & Networking
1 21 (9.72%) HTTP
Database & Business Intelligence
1 26 (12.04%) NoSQL
2 22 (10.19%) MongoDB
3 12 (5.56%) Relational Database
4 9 (4.17%) Blockchain
5 8 (3.70%) PostgreSQL
6 2 (0.93%) Apache Cassandra
6 2 (0.93%) Data Warehouse
6 2 (0.93%) Hadoop
6 2 (0.93%) Hazelcast
7 1 (0.46%) Amazon Redshift
7 1 (0.46%) Apache Zeppelin
7 1 (0.46%) Big Data
7 1 (0.46%) BigQuery
Development Applications
1 27 (12.50%) Git (software)
2 21 (9.72%) JUnit
3 17 (7.87%) Android Studio
3 17 (7.87%) Mockito
4 16 (7.41%) IntelliJ
5 13 (6.02%) Cucumber
5 13 (6.02%) Gradle
6 11 (5.09%) Jenkins
7 8 (3.70%) Maven
8 7 (3.24%) JIRA
9 6 (2.78%) Eclipse
9 6 (2.78%) git-flow
10 4 (1.85%) Ant
10 4 (1.85%) CircleCI
10 4 (1.85%) JMeter
11 2 (0.93%) Bitbucket
11 2 (0.93%) UI Automator
12 1 (0.46%) Appium
12 1 (0.46%) Calabash
12 1 (0.46%) Robolectric
General
1 36 (16.67%) Finance
2 29 (13.43%) Banking
3 12 (5.56%) Retail
4 11 (5.09%) Investment Banking
5 10 (4.63%) Games
6 9 (4.17%) Automotive
6 9 (4.17%) Telecoms
7 5 (2.31%) Retail Banking
8 2 (0.93%) Back Office
9 1 (0.46%) Advertising
9 1 (0.46%) Financial Institution
9 1 (0.46%) Front Office
9 1 (0.46%) Publishing
Job Titles
1 177 (81.94%) Developer
2 86 (39.81%) Android Developer
3 79 (36.57%) Java Developer
4 38 (17.59%) Senior Developer
5 27 (12.50%) Senior Java Developer
6 17 (7.87%) Java Scala Developer
6 17 (7.87%) Scala Developer
7 13 (6.02%) Android Engineer
8 12 (5.56%) Senior Java Scala Developer
8 12 (5.56%) Senior Scala Developer
9 11 (5.09%) Agile Developer
9 11 (5.09%) Java Engineer
9 11 (5.09%) Software Engineer
10 10 (4.63%) Agile Java Developer
11 9 (4.17%) Java Software Developer
11 9 (4.17%) Senior Android Developer
12 8 (3.70%) Java Software Engineer
13 7 (3.24%) Blockchain Developer
13 7 (3.24%) Java Developer - Fintech
14 6 (2.78%) Senior Software Engineer
Libraries, Frameworks & Software Standards
1 74 (34.26%) RxJava
2 61 (28.24%) Dagger
3 58 (26.85%) Retrofit
4 57 (26.39%) RESTful
5 46 (21.30%) Android SDK
5 46 (21.30%) Web Services
6 36 (16.67%) REST
7 35 (16.20%) Spring
8 26 (12.04%) HTML
9 23 (10.65%) CSS
10 17 (7.87%) HTML5
11 16 (7.41%) Elastic Stack
11 16 (7.41%) SOAP
12 15 (6.94%) JSON
13 13 (6.02%) Spring Boot
14 12 (5.56%) Dropwizard
15 9 (4.17%) Grails
16 8 (3.70%) Hibernate
16 8 (3.70%) XML
17 7 (3.24%) Node.js
Miscellaneous
1 27 (12.50%) User Experience
2 26 (12.04%) Greenfield Project
3 25 (11.57%) Mobile App
4 19 (8.80%) Computer Science
4 19 (8.80%) Fintech
5 18 (8.33%) Derivative
5 18 (8.33%) Equity Derivative
6 6 (2.78%) Mobile Payment
7 5 (2.31%) Algorithms
7 5 (2.31%) Analytical Skills
7 5 (2.31%) Data Structures
7 5 (2.31%) Video\Live Streaming
8 4 (1.85%) Over-the-Top Content
8 4 (1.85%) Smartphone
8 4 (1.85%) Video on Demand
9 3 (1.39%) Enterprise Software
9 3 (1.39%) Equities
10 2 (0.93%) Animation
10 2 (0.93%) Foreign Exchange (FX)
10 2 (0.93%) Reference Data
Operating Systems
1 109 (50.46%) Android
2 28 (12.96%) Linux
3 17 (7.87%) Unix
4 16 (7.41%) Apple iOS
5 2 (0.93%) Mac OS
6 1 (0.46%) Windows
Processes & Methodologies
1 135 (62.50%) Agile Software Development
2 114 (52.78%) TDD
3 99 (45.83%) Android Development
4 57 (26.39%) BDD
5 52 (24.07%) Continuous Integration
6 51 (23.61%) Microservices
7 47 (21.76%) DevOps
8 40 (18.52%) Software Engineering
9 35 (16.20%) Continuous Delivery
10 30 (13.89%) Kanban
10 30 (13.89%) Pair Programming
11 29 (13.43%) OOP
11 29 (13.43%) Open Source
12 26 (12.04%) Functional Programming
12 26 (12.04%) Scrum
13 21 (9.72%) Mobile Development
14 20 (9.26%) Test Automation
15 19 (8.80%) Performance Optimisation
16 15 (6.94%) Mentoring
16 15 (6.94%) Multithreading
Programming Languages
1 154 (71.30%) Java
2 61 (28.24%) Scala
3 43 (19.91%) Java 8
4 37 (17.13%) JavaScript
5 29 (13.43%) SQL
6 20 (9.26%) Bash Shell
7 19 (8.80%) Groovy
8 17 (7.87%) Shell Script
9 11 (5.09%) Python
10 8 (3.70%) Apple Swift
11 7 (3.24%) Clojure
12 6 (2.78%) Go
13 5 (2.31%) C++
14 4 (1.85%) C
15 3 (1.39%) Objective-C
15 3 (1.39%) R
16 2 (0.93%) C#
17 1 (0.46%) Jython
17 1 (0.46%) Perl
17 1 (0.46%) PHP
Qualifications
1 22 (10.19%) Degree
2 14 (6.48%) Computer Science Degree
3 3 (1.39%) Master's Degree
4 1 (0.46%) PhD
Quality Assurance & Compliance
1 14 (6.48%) QA
2 4 (1.85%) PCI DSS
3 1 (0.46%) SLA
System Software
1 19 (8.80%) Docker
Systems Management
1 16 (7.41%) Grafana
1 16 (7.41%) Kibana
1 16 (7.41%) logstash
2 12 (5.56%) Kubernetes
3 2 (0.93%) Ansible
3 2 (0.93%) Mesos
3 2 (0.93%) Opscode Chef
3 2 (0.93%) Puppet
3 2 (0.93%) Terraform
4 1 (0.46%) Marathon
Vendors
1 20 (9.26%) Google
2 16 (7.41%) AppDynamics
2 16 (7.41%) Splunk
3 4 (1.85%) Samsung
4 2 (0.93%) Microsoft
5 1 (0.46%) Capita
5 1 (0.46%) Oracle