Period
to 25 September 2018

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 25 September 2018 with a comparison to the same period in the previous 2 years.

JetBrains Kotlin
England > London
6 months to
25 Sep 2018
Same period 2017 Same period 2016
Rank 447 709 828
Rank change year-on-year +262 +119 -
Permanent jobs citing Kotlin 394 133 30
As % of all permanent IT jobs advertised in London 0.57% 0.18% 0.039%
As % of the Programming Languages category 1.00% 0.32% 0.071%
Number of salaries quoted 340 131 29
London median annual salary £70,000 £72,500 £74,000
Median salary % change year-on-year -3.45% -2.03% -
10th Percentile £50,000 £52,500 £55,000
90th Percentile £107,750 £110,000 £87,500
England median annual salary £67,500 £67,500 £74,000
% change year-on-year - -8.78% -

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 39,347 41,203 42,523
As % of all permanent IT jobs advertised in London 57.17% 55.01% 54.65%
Number of salaries quoted 32,456 32,585 37,471
London median annual salary £62,500 £60,000 £57,500
Median salary % change year-on-year +4.17% +4.35% +4.55%
10th Percentile £37,500 £36,250 £35,000
90th Percentile £95,000 £90,000 £86,250
England median annual salary £50,000 £49,000 £47,500
% change year-on-year +2.04% +3.16% +5.56%

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 25 September 2018.

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 25 September 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
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
Central London +13 80 £78,750 +12.50% 28
North London - 3 £60,000 - 1
West London - 2 £62,500 - 21
East London -28 1 £105,000 +20.00% 7
Kotlin
England

For the 6 months to 25 September 2018, 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.

1 313 (79.44%) Java
2 173 (43.91%) Agile Software Development
3 132 (33.50%) Android
4 117 (29.70%) Finance
5 113 (28.68%) Android Development
6 106 (26.90%) Amazon AWS
7 104 (26.40%) JavaScript
8 101 (25.63%) Scala
9 94 (23.86%) Fintech
10 91 (23.10%) TDD
11 88 (22.34%) Spring
12 82 (20.81%) Microservices
13 80 (20.30%) Software Engineering
14 78 (19.80%) Computer Science
14 78 (19.80%) Python
15 73 (18.53%) Docker
15 73 (18.53%) Java 8
16 72 (18.27%) SQL
17 71 (18.02%) Google
18 68 (17.26%) C#
19 67 (17.01%) HTML
19 67 (17.01%) Mobile App
20 66 (16.75%) Web Services
20 66 (16.75%) Open Source
21 60 (15.23%) CSS
21 60 (15.23%) Git (software)
22 59 (14.97%) RESTful
23 57 (14.47%) Banking
24 56 (14.21%) Jenkins
25 53 (13.45%) DevOps

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 (5.58%) Elasticsearch
2 15 (3.81%) Apache Spark
3 11 (2.79%) Ethereum
4 5 (1.27%) Oracle SOA Suite
4 5 (1.27%) WebLogic
4 5 (1.27%) WebSphere
5 4 (1.02%) Apache
6 2 (0.51%) CMS
6 2 (0.51%) Confluence
6 2 (0.51%) OpenStack
7 1 (0.25%) MQSeries
7 1 (0.25%) nginx
7 1 (0.25%) WordPress
Applications
1 7 (1.78%) Adobe Illustrator
1 7 (1.78%) Photoshop
2 1 (0.25%) Microsoft Office
Business Applications
1 6 (1.52%) Distributed Ledger
2 2 (0.51%) R3 Corda
Cloud Services
1 106 (26.90%) Amazon AWS
2 40 (10.15%) GitHub
3 37 (9.39%) Microsoft Azure
4 26 (6.60%) Serverless
5 22 (5.58%) AWS Lambda
6 21 (5.33%) CloudFront
7 19 (4.82%) Google Cloud Platform
7 19 (4.82%) Google Play
8 11 (2.79%) Amazon S3
9 6 (1.52%) Firebase
9 6 (1.52%) Route 53
10 5 (1.27%) Runscope
11 4 (1.02%) Google Analytics
12 2 (0.51%) Heroku
12 2 (0.51%) IaaS
12 2 (0.51%) iTunes
12 2 (0.51%) OpenShift
12 2 (0.51%) PaaS
13 1 (0.25%) Amazon ElastiCache
13 1 (0.25%) SaaS
Communications & Networking
1 11 (2.79%) HTTP
2 4 (1.02%) Internet
3 3 (0.76%) IPFS
4 2 (0.51%) MQTT
5 1 (0.25%) Calico
5 1 (0.25%) Wireshark
Database & Business Intelligence
1 38 (9.64%) Big Data
2 21 (5.33%) Blockchain
2 21 (5.33%) MongoDB
2 21 (5.33%) NoSQL
3 18 (4.57%) MySQL
4 17 (4.31%) Hadoop
4 17 (4.31%) Redis
5 12 (3.05%) Apache Cassandra
5 12 (3.05%) PostgreSQL
6 10 (2.54%) Amazon DynamoDB
6 10 (2.54%) Relational Database
7 9 (2.28%) MariaDB
8 8 (2.03%) Apache Hive
9 5 (1.27%) SQL Server
10 3 (0.76%) BigQuery
10 3 (0.76%) CockroachDB
10 3 (0.76%) HBase
11 2 (0.51%) MarkLogic
11 2 (0.51%) RDBMS
11 2 (0.51%) SQLite
Development Applications
1 60 (15.23%) Git (software)
2 56 (14.21%) Jenkins
3 41 (10.41%) Gradle
4 38 (9.64%) JUnit
5 33 (8.38%) Maven
6 19 (4.82%) JIRA
7 17 (4.31%) Android Studio
8 16 (4.06%) Appium
9 14 (3.55%) Robolectric
10 13 (3.30%) Bitbucket
10 13 (3.30%) Calabash
11 12 (3.05%) Mockito
12 11 (2.79%) git-flow
13 9 (2.28%) Cucumber
14 7 (1.78%) Ant
15 6 (1.52%) Atlassian Bamboo
15 6 (1.52%) CircleCI
15 6 (1.52%) Hudson
15 6 (1.52%) JMeter
16 5 (1.27%) Crashlytics
General
1 117 (29.70%) Finance
2 57 (14.47%) Banking
3 27 (6.85%) Front Office
4 19 (4.82%) Investment Banking
4 19 (4.82%) Publishing
5 18 (4.57%) Back Office
5 18 (4.57%) Games
6 15 (3.81%) Retail
7 6 (1.52%) Retail Banking
8 5 (1.27%) Telecoms
9 4 (1.02%) Automotive
9 4 (1.02%) Financial Institution
10 3 (0.76%) Law
11 2 (0.51%) Advertising
12 1 (0.25%) Electronics
12 1 (0.25%) Italian Language
Job Titles
1 306 (77.66%) Developer
2 138 (35.03%) Java Developer
3 88 (22.34%) Android Developer
4 65 (16.50%) Senior Developer
5 39 (9.90%) Software Engineer
6 35 (8.88%) Senior Java Developer
7 31 (7.87%) AWS Developer
8 26 (6.60%) Lead Developer
9 24 (6.09%) Java Engineer
10 21 (5.33%) React Developer
10 21 (5.33%) Software Developer
11 20 (5.08%) Python Developer
12 19 (4.82%) Java Scala Developer
12 19 (4.82%) Scala Developer
12 19 (4.82%) Senior Android Developer
13 18 (4.57%) Agile Developer
13 18 (4.57%) Agile Java Developer
14 15 (3.81%) Front End Developer (Client-Side Developer)
14 15 (3.81%) Lead Java Developer
14 15 (3.81%) Programmer
Libraries, Frameworks & Software Standards
1 88 (22.34%) Spring
2 67 (17.01%) HTML
3 66 (16.75%) Web Services
4 60 (15.23%) CSS
5 59 (14.97%) RESTful
6 52 (13.20%) React
7 49 (12.44%) RxJava
8 42 (10.66%) Redux
9 41 (10.41%) REST
10 37 (9.39%) Node.js
11 36 (9.14%) J2EE
12 35 (8.88%) AngularJS
12 35 (8.88%) HTML5
13 31 (7.87%) Spring Boot
14 29 (7.36%) React Native
15 25 (6.35%) Kafka
15 25 (6.35%) SOAP
16 21 (5.33%) XML
17 19 (4.82%) J2SE
17 19 (4.82%) JSON
Miscellaneous
1 94 (23.86%) Fintech
2 78 (19.80%) Computer Science
3 67 (17.01%) Mobile App
4 46 (11.68%) User Experience
5 42 (10.66%) Greenfield Project
6 37 (9.39%) Data Structures
7 33 (8.38%) Hedge funds
8 29 (7.36%) Algorithms
9 23 (5.84%) Self-Motivation
10 18 (4.57%) Bitcoin
11 17 (4.31%) Smartphone
12 15 (3.81%) Equities
13 12 (3.05%) Mobile Payment
14 10 (2.54%) Social Network
15 7 (1.78%) Analytical Skills
15 7 (1.78%) Fixed Income
15 7 (1.78%) Foreign Exchange (FX)
15 7 (1.78%) Online Games
16 6 (1.52%) Derivative
16 6 (1.52%) Market Risk
Operating Systems
1 132 (33.50%) Android
2 52 (13.20%) Apple iOS
3 19 (4.82%) Linux
4 8 (2.03%) Unix
5 7 (1.78%) Windows
6 4 (1.02%) Windows Phone
7 3 (0.76%) Mac OS
8 2 (0.51%) Solaris
8 2 (0.51%) SUSE
Processes & Methodologies
1 173 (43.91%) Agile Software Development
2 113 (28.68%) Android Development
3 91 (23.10%) TDD
4 82 (20.81%) Microservices
5 80 (20.30%) Software Engineering
6 66 (16.75%) Open Source
7 53 (13.45%) Continuous Integration
7 53 (13.45%) DevOps
8 50 (12.69%) BDD
9 48 (12.18%) Machine Learning
9 48 (12.18%) OO
10 44 (11.17%) Multithreading
11 36 (9.14%) Mobile Development
11 36 (9.14%) Test Automation
11 36 (9.14%) Unit Testing
12 33 (8.38%) Analytics
13 30 (7.61%) Mathematics
13 30 (7.61%) Problem-Solving
14 29 (7.36%) iOS Development
15 28 (7.11%) Memory Management
Programming Languages
1 313 (79.44%) Java
2 104 (26.40%) JavaScript
3 101 (25.63%) Scala
4 78 (19.80%) Python
5 73 (18.53%) Java 8
6 72 (18.27%) SQL
7 68 (17.26%) C#
8 40 (10.15%) Apple Swift
9 38 (9.64%) Objective-C
10 33 (8.38%) TypeScript
11 32 (8.12%) Groovy
12 30 (7.61%) Go
13 29 (7.36%) Clojure
14 21 (5.33%) PHP
15 20 (5.08%) C++
16 17 (4.31%) Erlang
17 12 (3.05%) ES6
18 11 (2.79%) Haskell
18 11 (2.79%) Java 9
18 11 (2.79%) Rust
Qualifications
1 44 (11.17%) Degree
2 35 (8.88%) Computer Science Degree
3 8 (2.03%) PhD
4 3 (0.76%) Master's Degree
5 1 (0.25%) ISTQB
5 1 (0.25%) ISTQB Foundation Certification
Quality Assurance & Compliance
1 27 (6.85%) QA
2 1 (0.25%) GDPR
2 1 (0.25%) SLA
System Software
1 73 (18.53%) Docker
Systems Management
1 45 (11.42%) Kubernetes
2 29 (7.36%) Terraform
3 27 (6.85%) Prometheus
4 13 (3.30%) Ansible
5 12 (3.05%) HockeyApp
6 6 (1.52%) Opscode Chef
6 6 (1.52%) Puppet
7 3 (0.76%) Consul
7 3 (0.76%) Docker Swarm
7 3 (0.76%) Grafana
7 3 (0.76%) Kibana
8 1 (0.25%) Apache Shiro
8 1 (0.25%) Istio
Vendors
1 71 (18.02%) Google
2 18 (4.57%) Apple
3 17 (4.31%) Oracle
4 6 (1.52%) AppDynamics
4 6 (1.52%) Facebook
4 6 (1.52%) Splunk
5 5 (1.27%) Twitter
5 5 (1.27%) Zend
6 4 (1.02%) Sybase
7 3 (0.76%) Microsoft
8 1 (0.25%) Bloomberg
8 1 (0.25%) Reuters
8 1 (0.25%) Salesforce.com