Period
to 23 January 2022

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 23 January 2022 with a comparison to the same period in the previous 2 years.

JetBrains Kotlin
UK
6 months to
23 Jan 2022
Same period 2021 Same period 2020
Rank 221 236 333
Rank change year-on-year +15 +97 +287
Permanent jobs citing Kotlin 2,077 872 1,191
As % of all permanent jobs advertised in the UK 1.62% 1.38% 0.95%
As % of the Programming Languages category 3.06% 2.38% 1.75%
Number of salaries quoted 1,275 771 959
10th Percentile £47,500 £45,000 £39,750
25th Percentile £51,875 £52,500 £52,500
Median annual salary (50th Percentile) £70,000 £72,500 £70,000
Median % change year-on-year -3.45% +3.57% +7.69%
75th Percentile £95,000 £90,000 £93,750
90th Percentile £110,000 £115,000 £126,250
UK excluding London median annual salary £57,500 £57,500 £50,000
% change year-on-year - +15.00% -9.09%

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 67,949 36,707 68,085
As % of all permanent IT jobs advertised in the UK 53.06% 58.01% 54.11%
Number of salaries quoted 43,801 31,295 56,683
10th Percentile £36,250 £33,750 £31,500
25th Percentile £45,000 £42,500 £39,000
Median annual salary (50th Percentile) £60,000 £55,000 £52,500
Median % change year-on-year +9.09% +4.76% -
75th Percentile £80,000 £72,500 £71,250
90th Percentile £100,000 £90,000 £87,500
UK excluding London median annual salary £52,500 £50,000 £45,000
% change year-on-year +5.00% +11.11% -

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 23 January 2022.

Salary histogram for Kotlin in the UK

Kotlin
Top 17 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 23 January 2022. 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
Jobs
England +14 1,861 £70,000 -3.45% 260
London -15 1,180 £85,000 +6.25% 182
UK excluding London +66 694 £57,500 - 82
Work from Home -1 641 £75,000 +15.38% 81
North of England +32 311 £57,500 - 26
South East +31 172 £62,500 +4.17% 14
Yorkshire +11 160 £57,500 - 4
North West 0 140 £60,000 +9.09% 20
South West +9 88 £55,000 +4.76% 15
Midlands -93 43 £67,500 +50.00% 9
Scotland -79 35 £67,500 +17.39% 4
West Midlands -60 34 £67,500 +63.64% 4
East of England -60 29 £50,000 +17.65% 11
North East -30 11 - - 2
East Midlands -80 9 £60,000 +33.33% 5
Northern Ireland - 8 £67,500 -
Wales -46 5 £77,500 +40.91% 3

For the 6 months to 23 January 2022, 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 1,569 (75.54%) Java
2 1,040 (50.07%) Agile Software Development
3 901 (43.38%) Software Engineering
4 756 (36.40%) Android
5 748 (36.01%) AWS
6 714 (34.38%) JavaScript
7 680 (32.74%) Kubernetes
8 625 (30.09%) Docker
9 580 (27.92%) React
10 524 (25.23%) Python
10 524 (25.23%) Android Development
11 491 (23.64%) DevOps
12 490 (23.59%) Finance
13 486 (23.40%) CI/CD
14 467 (22.48%) Scala
15 442 (21.28%) Apple iOS
16 426 (20.51%) Microservices
17 418 (20.13%) Azure
18 414 (19.93%) Social Skills
19 401 (19.31%) C#
20 399 (19.21%) TDD
21 391 (18.83%) Mobile App
22 375 (18.05%) AngularJS
23 368 (17.72%) TypeScript
23 368 (17.72%) Apple Swift
24 358 (17.24%) Terraform
25 328 (15.79%) Git (software)
26 325 (15.65%) Spring
27 317 (15.26%) GCP
28 310 (14.93%) Mobile Development

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
1 108 (5.20%) Apache
2 61 (2.94%) Elasticsearch
3 38 (1.83%) Confluence
4 20 (0.96%) Apache Spark
5 11 (0.53%) Apache Pulsar
6 8 (0.39%) Jetty
7 7 (0.34%) Apache Airflow
7 7 (0.34%) CMS
7 7 (0.34%) Gunicorn
8 5 (0.24%) Ethereum
8 5 (0.24%) Geth
8 5 (0.24%) nginx
8 5 (0.24%) Tomcat
9 4 (0.19%) Apache Solr
9 4 (0.19%) MQSeries
10 3 (0.14%) WordPress
11 2 (0.096%) SAS
Applications
1 27 (1.30%) Sketch
2 20 (0.96%) InVision
3 5 (0.24%) Chatbot
3 5 (0.24%) GIMP
3 5 (0.24%) Photoshop
4 4 (0.19%) Spreadsheet
5 2 (0.096%) Adobe XD
Business Applications
1 39 (1.88%) Distributed Ledger
2 26 (1.25%) R3 Corda
3 10 (0.48%) Summit
4 3 (0.14%) Shopify
5 2 (0.096%) Payment Gateway
6 1 (0.048%) Magento
6 1 (0.048%) Sentinel
Cloud Services
1 748 (36.01%) AWS
2 418 (20.13%) Azure
3 317 (15.26%) GCP
4 185 (8.91%) AWS CloudFormation
5 182 (8.76%) Serverless
6 152 (7.32%) AWS Lambda
7 128 (6.16%) GitHub
8 122 (5.87%) SaaS
9 101 (4.86%) Amazon EC2
10 100 (4.81%) Google Play
11 91 (4.38%) Amazon S3
12 82 (3.95%) Firebase
13 51 (2.46%) Slack
14 36 (1.73%) Cloud Computing
15 33 (1.59%) npm
16 30 (1.44%) Datadog
17 25 (1.20%) IaaS
18 24 (1.16%) Amazon SQS
18 24 (1.16%) Figma
19 23 (1.11%) OpenShift
Communications & Networking
1 67 (3.23%) HTTP
2 27 (1.30%) Broadband
3 21 (1.01%) VoIP
4 11 (0.53%) TCP/IP
5 9 (0.43%) Firewall
6 7 (0.34%) 5G
7 6 (0.29%) Network Security
8 5 (0.24%) SMS
9 4 (0.19%) Bluetooth
10 3 (0.14%) DSL
11 2 (0.096%) DHCP
11 2 (0.096%) DNS
11 2 (0.096%) Internet
11 2 (0.096%) MQTT
11 2 (0.096%) Multicast
11 2 (0.096%) NFC
11 2 (0.096%) SAN
11 2 (0.096%) SSL
12 1 (0.048%) SNMP
Database & Business Intelligence
1 229 (11.03%) PostgreSQL
2 150 (7.22%) Amazon DynamoDB
3 148 (7.13%) MongoDB
4 140 (6.74%) NoSQL
5 107 (5.15%) Relational Database
6 77 (3.71%) Redis
7 68 (3.27%) Apache Ignite
7 68 (3.27%) MySQL
8 66 (3.18%) SQL Server
9 64 (3.08%) Blockchain
10 49 (2.36%) Big Data
11 43 (2.07%) RDBMS
12 36 (1.73%) Apache Cassandra
13 23 (1.11%) Amazon Aurora
14 20 (0.96%) Hazelcast
15 17 (0.82%) Metadata
16 13 (0.63%) Amazon RDS
17 12 (0.58%) Aerospike
18 11 (0.53%) Data Warehouse
19 8 (0.39%) DB2
Development Applications
1 328 (15.79%) Git (software)
2 236 (11.36%) Jenkins
3 93 (4.48%) GitLab
4 88 (4.24%) Gradle
5 81 (3.90%) Bitbucket
6 77 (3.71%) JUnit
7 75 (3.61%) Android Studio
7 75 (3.61%) JIRA
8 70 (3.37%) Maven
9 41 (1.97%) Mercurial
10 40 (1.93%) Selenium
11 38 (1.83%) webpack
12 34 (1.64%) CircleCI
13 33 (1.59%) git-flow
13 33 (1.59%) Mockito
14 32 (1.54%) TeamCity
15 31 (1.49%) Atlassian Bamboo
16 30 (1.44%) Xcode
17 29 (1.40%) Cypress.io
18 24 (1.16%) Cucumber
General
1 490 (23.59%) Finance
2 414 (19.93%) Social Skills
3 129 (6.21%) Retail
4 112 (5.39%) Banking
5 105 (5.06%) Games
6 77 (3.71%) Front Office
7 74 (3.56%) Marketing
8 69 (3.32%) Analytical Skills
9 53 (2.55%) Telecoms
10 29 (1.40%) Inclusion and Diversity
11 26 (1.25%) Fire and Rescue
12 24 (1.16%) Advertising
13 22 (1.06%) Automotive
13 22 (1.06%) Publishing
14 19 (0.91%) Billing
14 19 (0.91%) Financial Institution
15 18 (0.87%) Pharmaceutical
16 17 (0.82%) Electronics
17 16 (0.77%) Back Office
18 14 (0.67%) Presentation Skills
Job Titles
1 1,075 (51.76%) Developer
2 566 (27.25%) Software Engineer
3 317 (15.26%) Java Developer
4 313 (15.07%) Android Developer
5 273 (13.14%) Senior Developer
6 152 (7.32%) Senior Software Engineer
7 138 (6.64%) Java Engineer
8 125 (6.02%) Senior Java Developer
9 120 (5.78%) Software Developer
10 108 (5.20%) React Developer
11 97 (4.67%) Developer/Software Engineer
12 89 (4.29%) Android Engineer
13 86 (4.14%) Applications Developer
13 86 (4.14%) Java Software Engineer
13 86 (4.14%) Mobile Developer
14 77 (3.71%) JavaScript Engineer
14 77 (3.71%) Python Developer
15 74 (3.56%) Python Engineer
16 73 (3.51%) Senior Android Developer
17 72 (3.47%) Java Android Developer
Libraries, Frameworks & Software Standards
1 580 (27.92%) React
2 375 (18.05%) AngularJS
3 325 (15.65%) Spring
4 292 (14.06%) Vue.js
5 266 (12.81%) Spring Boot
6 251 (12.08%) Node.js
7 242 (11.65%) Kafka
8 232 (11.17%) REST
9 184 (8.86%) RESTful
10 167 (8.04%) CSS
10 167 (8.04%) React Native
11 159 (7.66%) HTML
12 141 (6.79%) .NET
13 138 (6.64%) GraphQL
14 123 (5.92%) Web Services
15 89 (4.29%) JSON
16 84 (4.04%) RxJava
17 77 (3.71%) HTML5
18 66 (3.18%) .NET Core
19 61 (2.94%) Flutter
Miscellaneous
1 391 (18.83%) Mobile App
2 241 (11.60%) User Experience
3 132 (6.36%) Greenfield Project
4 82 (3.95%) Derivative
5 81 (3.90%) Equities
5 81 (3.90%) Fixed Income
5 81 (3.90%) Foreign Exchange (FX)
6 69 (3.32%) Hedge funds
7 68 (3.27%) Algorithms
8 62 (2.99%) iPad
9 56 (2.70%) Enterprise Software
10 46 (2.21%) Data Structures
11 42 (2.02%) Video\Live Streaming
11 42 (2.02%) Virtual Team
12 34 (1.64%) Social Media
13 32 (1.54%) Cloud Native
14 30 (1.44%) NHS
15 29 (1.40%) Blog
16 26 (1.25%) Public Cloud
16 26 (1.25%) Self-Motivation
Operating Systems
1 756 (36.40%) Android
2 442 (21.28%) Apple iOS
3 146 (7.03%) Linux
4 38 (1.83%) Unix
5 26 (1.25%) Windows
6 8 (0.39%) Mac OS
7 7 (0.34%) Alpine Linux
7 7 (0.34%) CentOS
8 5 (0.24%) OpenWrt
9 2 (0.096%) Embedded Linux
10 1 (0.048%) CoreOS
10 1 (0.048%) Debian
10 1 (0.048%) Red Hat Enterprise Linux
10 1 (0.048%) Ubuntu
10 1 (0.048%) Windows Server
Processes & Methodologies
1 1,040 (50.07%) Agile Software Development
2 901 (43.38%) Software Engineering
3 524 (25.23%) Android Development
4 491 (23.64%) DevOps
5 486 (23.40%) CI/CD
6 426 (20.51%) Microservices
7 399 (19.21%) TDD
8 310 (14.93%) Mobile Development
9 306 (14.73%) Full Stack Development
10 257 (12.37%) Continuous Integration
11 249 (11.99%) OOP
12 239 (11.51%) Test Automation
13 222 (10.69%) Computer Science
14 220 (10.59%) Mentoring
15 218 (10.50%) Scrum
16 213 (10.26%) iOS Development
17 207 (9.97%) OO
18 198 (9.53%) Fintech
19 175 (8.43%) Problem-Solving
20 165 (7.94%) Unit Testing
Programming Languages
1 1,569 (75.54%) Java
2 714 (34.38%) JavaScript
3 524 (25.23%) Python
4 467 (22.48%) Scala
5 401 (19.31%) C#
6 368 (17.72%) Apple Swift
6 368 (17.72%) TypeScript
7 302 (14.54%) Go
8 221 (10.64%) SQL
9 214 (10.30%) C++
10 165 (7.94%) Ruby
11 116 (5.58%) PHP
12 114 (5.49%) Objective-C
13 93 (4.48%) Java 8
14 85 (4.09%) Dart
15 81 (3.90%) Clojure
16 64 (3.08%) Java 11
17 54 (2.60%) Perl
18 52 (2.50%) R
19 49 (2.36%) Groovy
Qualifications
1 191 (9.20%) Degree
2 107 (5.15%) Computer Science Degree
3 18 (0.87%) AWS Certification
4 16 (0.77%) SANS
5 12 (0.58%) Security Cleared
6 10 (0.48%) SC Cleared
7 6 (0.29%) Microsoft Certification
8 5 (0.24%) ISEB
8 5 (0.24%) ISTQB
8 5 (0.24%) Six Sigma Black Belt
9 4 (0.19%) DV Cleared
10 3 (0.14%) Postgraduate
11 2 (0.096%) Master's Degree
12 1 (0.048%) CEH
12 1 (0.048%) CREST Certified
12 1 (0.048%) DBS Check
12 1 (0.048%) OSCP
Quality Assurance & Compliance
1 111 (5.34%) QA
2 20 (0.96%) Accessibility
3 16 (0.77%) WCAG
4 10 (0.48%) PCI DSS
5 7 (0.34%) GDPR
5 7 (0.34%) GRC
6 6 (0.29%) HIPAA
6 6 (0.29%) SOC 2
7 2 (0.096%) ISO/IEC 14443
7 2 (0.096%) ISO/IEC 27001
7 2 (0.096%) PMO
System Software
1 625 (30.09%) Docker
2 14 (0.67%) Apache ZooKeeper
3 5 (0.24%) Hyper-V
3 5 (0.24%) VMware Infrastructure
4 4 (0.19%) ISA Server
4 4 (0.19%) Virtual Machines
5 2 (0.096%) Firmware
6 1 (0.048%) Apache Flume
Systems Management
1 680 (32.74%) Kubernetes
2 358 (17.24%) Terraform
3 50 (2.41%) Ansible
4 28 (1.35%) Puppet
5 26 (1.25%) Prometheus
6 23 (1.11%) Grafana
7 15 (0.72%) Docker Swarm
8 14 (0.67%) Istio
9 13 (0.63%) Opscode Chef
10 12 (0.58%) Rancher
11 7 (0.34%) Kibana
12 5 (0.24%) Graphite
13 4 (0.19%) Consul
13 4 (0.19%) Graylog
13 4 (0.19%) HP Quality Center
13 4 (0.19%) Kustomize
13 4 (0.19%) Mesos
14 2 (0.096%) Fluentd
15 1 (0.048%) logstash
15 1 (0.048%) Packer
Vendors
1 297 (14.30%) Google
2 93 (4.48%) Microsoft
3 78 (3.76%) Salesforce.com
4 67 (3.23%) Oracle
5 46 (2.21%) Apple
6 23 (1.11%) Spotify
7 19 (0.91%) Adobe
8 17 (0.82%) Atlassian
9 16 (0.77%) New Relic
9 16 (0.77%) Xamarin
10 14 (0.67%) BEA
10 14 (0.67%) CrowdStrike
11 12 (0.58%) HP
11 12 (0.58%) Xero
12 11 (0.53%) Aareon
13 10 (0.48%) Bloomberg
13 10 (0.48%) ConsenSys
13 10 (0.48%) HubSpot
14 9 (0.43%) Elastic Path
14 9 (0.43%) Facebook