Period
to 24 September 2020

The following table provides summary statistics for permanent job vacancies 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 September 2020 with a comparison to the same period in the previous 2 years.

JetBrains Kotlin
UK
6 months to
24 Sep 2020
Same period 2019 Same period 2018
Rank 217 421 634
Rank change year-on-year +204 +213 +404
Permanent jobs citing Kotlin 776 993 626
As % of all permanent jobs advertised in the UK 1.58% 0.70% 0.38%
As % of the Programming Languages category 2.68% 1.32% 0.68%
Number of salaries quoted 923 927 537
Median annual salary £70,000 £65,000 £65,000
Median salary % change year-on-year +7.69% - -3.70%
10th Percentile £43,750 £37,500 £40,000
90th Percentile £126,250 £95,000 £102,500
UK excluding London median annual salary £55,000 £52,500 £55,000
% change year-on-year +4.76% -4.55% -

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 with a requirement for coding skills.

All Programming Languages
UK
Permanent vacancies with a requirement for coding skills 28,936 75,273 92,664
As % of all permanent IT jobs advertised in the UK 59.02% 53.42% 55.65%
Number of salaries quoted 24,281 61,545 77,053
Median annual salary £55,000 £52,500 £50,000
Median salary % change year-on-year +4.76% +5.00% +5.26%
10th Percentile £33,750 £31,250 £31,000
90th Percentile £92,500 £85,000 £82,500
UK excluding London median annual salary £50,000 £45,000 £45,000
% change year-on-year +11.11% - +5.88%

Kotlin
Job Vacancy Trend

Job postings citing Kotlin as a proportion of all IT jobs advertised.

Job vacancy trend for Kotlin in the UK

Kotlin
Salary Trend

3-month moving average salary quoted in jobs citing Kotlin.

Salary trend for Kotlin in the UK

Kotlin
Salary Histogram

Salary distribution for jobs citing Kotlin over the 6 months to 24 September 2020.

Salary histogram for Kotlin in the UK

Kotlin
Top 16 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Kotlin within the UK over the 6 months to 24 September 2020. 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
England +199 715 £70,000 +7.69% 173
London +168 545 £75,000 +7.14% 125
UK excluding London +205 218 £55,000 +4.76% 60
Work from Home +116 209 £65,000 +8.33% 42
South East +202 75 £57,500 +9.52% 14
North of England +123 59 £51,250 - 21
Scotland +99 45 £55,000 +15.79% 11
Yorkshire +99 34 £51,250 +2.50% 8
North West +120 22 £45,000 -20.00% 3
Midlands +110 13 £40,000 -12.09% 6
South West +129 12 £60,000 +14.29% 2
West Midlands +91 12 £40,000 +3.90% 3
East of England +107 7 £57,500 +4.55% 4
Wales +55 7 £45,000 +28.57% 2
North East - 3 £60,000 - 10
East Midlands +71 1 - - 3

For the 6 months to 24 September 2020, 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 with a requirement for Kotlin.

1 633 (81.57%) Java
2 385 (49.61%) Agile Software Development
3 269 (34.66%) Android
4 265 (34.15%) JavaScript
5 248 (31.96%) Software Engineering
6 243 (31.31%) Python
7 227 (29.25%) Finance
8 226 (29.12%) AWS
9 209 (26.93%) Android Development
10 200 (25.77%) Web Services
11 197 (25.39%) Microservices
12 171 (22.04%) React
13 154 (19.85%) Docker
13 154 (19.85%) AngularJS
14 151 (19.46%) TDD
15 147 (18.94%) SQL
16 146 (18.81%) Mobile App
17 141 (18.17%) DevOps
17 141 (18.17%) Kubernetes
18 135 (17.40%) Banking
19 134 (17.27%) Mobile Development
20 124 (15.98%) Scala
21 121 (15.59%) Asset Management
22 118 (15.21%) Fixed Income
22 118 (15.21%) Front Office
23 117 (15.08%) Apple iOS
24 116 (14.95%) Vue.js
24 116 (14.95%) Derivative
25 114 (14.69%) Hedge funds
26 106 (13.66%) Amazon DynamoDB

Kotlin
Co-occurring IT Skills 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 33 (4.25%) Elasticsearch
2 16 (2.06%) Apache Spark
3 12 (1.55%) Apache
4 2 (0.26%) CMS
4 2 (0.26%) Confluence
4 2 (0.26%) OpenStack
5 1 (0.13%) Apache Airflow
5 1 (0.13%) Tomcat
Business Applications
1 59 (7.60%) R3 Corda
2 47 (6.06%) Distributed Ledger
3 25 (3.22%) FINCAD Analytics
4 8 (1.03%) Payment Gateway
5 3 (0.39%) Oracle Cash Management
Cloud Services
1 226 (29.12%) AWS
2 98 (12.63%) Azure
3 89 (11.47%) Serverless
4 77 (9.92%) AWS Lambda
5 74 (9.54%) Amazon S3
6 72 (9.28%) Amazon EC2
7 55 (7.09%) GCP
8 32 (4.12%) GitHub
9 15 (1.93%) SaaS
10 13 (1.68%) Google Play
11 12 (1.55%) Firebase
11 12 (1.55%) Heroku
12 11 (1.42%) iPaaS
13 10 (1.29%) Slack
14 9 (1.16%) Amazon SQS
14 9 (1.16%) Azure Active Directory
15 7 (0.90%) Cloud Computing
16 6 (0.77%) Amazon EKS
17 4 (0.52%) Amazon ECS
18 3 (0.39%) Power Platform
Communications & Networking
1 14 (1.80%) Bluetooth
2 5 (0.64%) Internet
3 2 (0.26%) Skype
3 2 (0.26%) Wi-Fi
4 1 (0.13%) HTTP
4 1 (0.13%) HTTPS
Database & Business Intelligence
1 106 (13.66%) Amazon DynamoDB
2 54 (6.96%) NoSQL
3 52 (6.70%) Blockchain
4 47 (6.06%) PostgreSQL
5 29 (3.74%) MongoDB
6 27 (3.48%) Redis
7 25 (3.22%) Amazon Athena
8 19 (2.45%) Apache Cassandra
9 16 (2.06%) Hadoop
10 12 (1.55%) Big Data
11 11 (1.42%) Apache Ignite
11 11 (1.42%) SQL Server
12 9 (1.16%) MySQL
13 8 (1.03%) BigQuery
13 8 (1.03%) Looker
14 6 (0.77%) Apache Hive
14 6 (0.77%) Relational Database
15 5 (0.64%) Amazon Aurora
15 5 (0.64%) Couchbase
15 5 (0.64%) Hazelcast
Development Applications
1 63 (8.12%) Git (software)
2 53 (6.83%) Jenkins
3 36 (4.64%) IntelliJ
4 30 (3.87%) Android Studio
5 29 (3.74%) JIRA
6 24 (3.09%) Gradle
7 22 (2.84%) JUnit
7 22 (2.84%) Maven
8 16 (2.06%) Mockito
9 15 (1.93%) Xcode
10 9 (1.16%) CircleCI
10 9 (1.16%) TeamCity
11 8 (1.03%) Appium
11 8 (1.03%) Bitbucket
11 8 (1.03%) Calabash
11 8 (1.03%) GitLab
12 7 (0.90%) Subversion
13 6 (0.77%) Cucumber
13 6 (0.77%) Selenium
13 6 (0.77%) Travis CI
General
1 227 (29.25%) Finance
2 135 (17.40%) Banking
3 118 (15.21%) Front Office
4 51 (6.57%) Investment Banking
5 31 (3.99%) Retail
6 28 (3.61%) Games
7 12 (1.55%) Pharmaceutical
7 12 (1.55%) Retail Banking
8 10 (1.29%) Law
9 7 (0.90%) Electronics
10 4 (0.52%) Marketing
11 3 (0.39%) French Language
11 3 (0.39%) Public Sector
12 1 (0.13%) Financial Institution
12 1 (0.13%) Manufacturing
12 1 (0.13%) Publishing
12 1 (0.13%) Telecoms
Job Titles
1 569 (73.32%) Developer
2 172 (22.16%) Android Developer
3 161 (20.75%) Java Developer
4 156 (20.10%) Software Engineer
5 95 (12.24%) Senior Developer
6 85 (10.95%) Developer/Software Engineer
7 72 (9.28%) Python Developer
8 64 (8.25%) Mobile Developer
9 63 (8.12%) Python Engineer
10 62 (7.99%) Python Software Engineer
11 59 (7.60%) Full Stack Developer
12 46 (5.93%) JavaScript Developer
13 43 (5.54%) JavaScript Engineer
13 43 (5.54%) Senior Java Developer
14 40 (5.15%) Java Engineer
15 32 (4.12%) Senior Android Developer
16 30 (3.87%) Android Engineer
16 30 (3.87%) React Developer
17 27 (3.48%) Lead Developer
18 26 (3.35%) Java Software Engineer
Libraries, Frameworks & Software Standards
1 200 (25.77%) Web Services
2 171 (22.04%) React
3 154 (19.85%) AngularJS
4 116 (14.95%) Vue.js
5 103 (13.27%) Node.js
6 100 (12.89%) Kafka
7 91 (11.73%) Spring Boot
8 81 (10.44%) React Native
9 80 (10.31%) Spring
10 70 (9.02%) OAuth
11 51 (6.57%) OAuth2
12 46 (5.93%) Android SDK
13 39 (5.03%) .NET
13 39 (5.03%) NativeScript
13 39 (5.03%) RxJava
14 33 (4.25%) HTML
14 33 (4.25%) REST
15 31 (3.99%) Apache Cordova
15 31 (3.99%) Ionic Framework
15 31 (3.99%) J2EE
Miscellaneous
1 146 (18.81%) Mobile App
2 118 (15.21%) Fixed Income
3 116 (14.95%) Derivative
4 114 (14.69%) Hedge funds
5 86 (11.08%) Foreign Exchange (FX)
6 82 (10.57%) Equities
7 68 (8.76%) Greenfield Project
8 47 (6.06%) Analytical Skills
9 30 (3.87%) User Experience
10 16 (2.06%) Algorithms
10 16 (2.06%) Self-Motivation
10 16 (2.06%) Virtual Team
11 11 (1.42%) Data Structures
12 10 (1.29%) Mobile Banking
12 10 (1.29%) Social Media
13 9 (1.16%) Mobile Payment
13 9 (1.16%) Video\Live Streaming
14 6 (0.77%) Cloud Native
14 6 (0.77%) Renewable Energy
15 5 (0.64%) Enterprise Software
Operating Systems
1 269 (34.66%) Android
2 117 (15.08%) Apple iOS
3 44 (5.67%) Linux
4 20 (2.58%) Unix
5 3 (0.39%) Android TV
5 3 (0.39%) tvOS
6 2 (0.26%) Windows
Processes & Methodologies
1 385 (49.61%) Agile Software Development
2 248 (31.96%) Software Engineering
3 209 (26.93%) Android Development
4 197 (25.39%) Microservices
5 151 (19.46%) TDD
6 141 (18.17%) DevOps
7 134 (17.27%) Mobile Development
8 121 (15.59%) Asset Management
9 100 (12.89%) Mentoring
10 94 (12.11%) Scrum
11 78 (10.05%) Investment Management
12 77 (9.92%) Continuous Integration
13 74 (9.54%) Fintech
14 63 (8.12%) Analytics
15 57 (7.35%) Data Modelling
16 56 (7.22%) Artificial Intelligence
17 52 (6.70%) iOS Development
18 51 (6.57%) MVVM
19 49 (6.31%) B2B
20 45 (5.80%) Problem-Solving
Programming Languages
1 633 (81.57%) Java
2 265 (34.15%) JavaScript
3 243 (31.31%) Python
4 147 (18.94%) SQL
5 124 (15.98%) Scala
6 87 (11.21%) Apple Swift
7 86 (11.08%) TypeScript
8 69 (8.89%) C#
9 64 (8.25%) Java 8
10 60 (7.73%) Go
11 57 (7.35%) C++
12 50 (6.44%) Ruby
13 45 (5.80%) Clojure
14 44 (5.67%) Objective-C
15 30 (3.87%) Elixir
16 25 (3.22%) PHP
17 18 (2.32%) Rust
18 17 (2.19%) Haskell
19 15 (1.93%) Erlang
20 14 (1.80%) C
Qualifications
1 54 (6.96%) Degree
2 26 (3.35%) Computer Science Degree
3 4 (0.52%) Master's Degree
4 1 (0.13%) AWS Certification
4 1 (0.13%) HND
4 1 (0.13%) TOGAF Certification
Quality Assurance & Compliance
1 16 (2.06%) QA
2 9 (1.16%) NIST
3 3 (0.39%) ISO 20022
3 3 (0.39%) PSD2
3 3 (0.39%) TARGET2
System Software
1 154 (19.85%) Docker
2 9 (1.16%) Active Directory
3 3 (0.39%) Firmware
4 2 (0.26%) VMware Infrastructure
4 2 (0.26%) vSphere
Systems Management
1 141 (18.17%) Kubernetes
2 105 (13.53%) Terraform
3 13 (1.68%) Puppet
4 10 (1.29%) Ansible
5 8 (1.03%) Kibana
6 7 (0.90%) Opscode Chef
6 7 (0.90%) Pingdom
6 7 (0.90%) Prometheus
7 3 (0.39%) Istio
8 2 (0.26%) Rancher
9 1 (0.13%) Grafana
Vendors
1 52 (6.70%) Google
2 25 (3.22%) Bloomberg
3 11 (1.42%) Apple
4 9 (1.16%) Microsoft
5 6 (0.77%) Oracle
5 6 (0.77%) Splunk
5 6 (0.77%) Xamarin
6 5 (0.64%) Solace
7 2 (0.26%) VMware
8 1 (0.13%) AppDynamics
8 1 (0.13%) Dell
8 1 (0.13%) SAP