Period
to

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 4 July 2022 with a comparison to the same period in the previous 2 years.

JetBrains Kotlin
UK
6 months to
4 Jul 2022
Same period 2021 Same period 2020
Rank 185 246 265
Rank change year-on-year +61 +19 +217
Permanent jobs citing Kotlin 3,857 1,485 949
As % of all permanent jobs advertised in the UK 2.12% 1.38% 1.20%
As % of the Programming Languages category 3.93% 2.50% 2.16%
Number of salaries quoted 1,100 891 812
10th Percentile £45,500 £50,000 £42,500
25th Percentile £56,250 £53,750 £50,000
Median annual salary (50th Percentile) £75,000 £72,500 £70,000
Median % change year-on-year +3.45% +3.57% +11.15%
75th Percentile £95,000 £92,500 £90,000
90th Percentile £115,125 £115,000 £120,000
UK excluding London median annual salary £65,000 £57,500 £55,000
% change year-on-year +13.04% +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 98,182 59,290 43,854
As % of all permanent IT jobs advertised in the UK 54.04% 55.00% 55.52%
Number of salaries quoted 44,767 42,092 36,462
10th Percentile £36,981 £33,750 £32,500
25th Percentile £46,250 £42,500 £41,250
Median annual salary (50th Percentile) £62,500 £56,000 £55,000
Median % change year-on-year +11.61% +1.82% +4.76%
75th Percentile £82,500 £75,000 £73,750
90th Percentile £100,000 £92,500 £90,000
UK excluding London median annual salary £52,500 £50,000 £47,500
% change year-on-year +5.00% +5.26% +5.56%

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 4 July 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 4 July 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 +39 2,982 £77,500 +3.33% 188
London +22 2,342 £85,000 - 123
Work from Home +81 2,204 £80,000 +3.23% 97
UK excluding London -20 690 £65,000 +13.04% 77
North of England -40 237 £65,000 +13.04% 29
South East -6 184 £67,500 +12.50% 11
Yorkshire -28 133 £58,750 +2.17% 10
North West -60 92 £78,750 +36.96% 15
South West -22 78 £62,500 +25.00% 13
Scotland -2 74 £65,000 +18.18% 7
East of England -81 45 £67,500 - 4
Midlands -69 36 £60,000 +14.29% 7
Wales -19 25 - - 3
West Midlands -57 18 £58,750 +11.90% 6
East Midlands -39 17 £62,500 +13.64% 1
North East -7 12 £60,000 -0.41% 4
Northern Ireland - 10 £67,500 - 3

For the 6 months to 4 July 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 2,835 (73.50%) Java
2 2,032 (52.68%) Agile
3 1,709 (44.31%) Android
4 1,633 (42.34%) Software Engineering
5 1,205 (31.24%) Kubernetes
6 1,146 (29.71%) Docker
7 1,126 (29.19%) AWS
8 1,094 (28.36%) JavaScript
9 1,048 (27.17%) Android Development
9 1,048 (27.17%) CI/CD
10 1,003 (26.00%) Finance
11 991 (25.69%) Python
12 976 (25.30%) React
13 823 (21.34%) Social Skills
14 817 (21.18%) Microservices
15 794 (20.59%) TDD
16 787 (20.40%) Kafka
17 769 (19.94%) Mobile App
18 754 (19.55%) Apple iOS
19 734 (19.03%) Spring
20 719 (18.64%) Test Automation
21 710 (18.41%) Scrum
22 665 (17.24%) Git (software)
23 619 (16.05%) DevOps
24 598 (15.50%) PostgreSQL
25 567 (14.70%) Terraform
26 562 (14.57%) User Experience
27 551 (14.29%) Spring Boot
28 540 (14.00%) REST
29 535 (13.87%) Jenkins

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
1 114 (2.96%) Confluence
2 62 (1.61%) Apache Spark
3 52 (1.35%) Apache Airflow
4 48 (1.24%) Apache
5 36 (0.93%) CMS
6 35 (0.91%) Jetty
7 18 (0.47%) Ethereum
8 15 (0.39%) Drupal
9 10 (0.26%) Headless CMS
9 10 (0.26%) IBM Domino
10 8 (0.21%) MQSeries
11 7 (0.18%) Geth
12 6 (0.16%) Hyperledger
13 5 (0.13%) Apache Pulsar
14 4 (0.10%) nginx
14 4 (0.10%) Tomcat
15 3 (0.078%) Apache Solr
16 2 (0.052%) Jupyter
16 2 (0.052%) Oracle SOA Suite
16 2 (0.052%) WordPress
Applications
1 29 (0.75%) Sketch
2 24 (0.62%) InVision
3 18 (0.47%) Adobe Creative Suite
4 5 (0.13%) Chatbot
5 3 (0.078%) Microsoft Office
6 2 (0.052%) Adobe Premiere
7 1 (0.026%) Spreadsheet
Business Applications
1 88 (2.28%) Distributed Ledger
2 80 (2.07%) R3 Corda
3 8 (0.21%) Academy Revenues and Benefits
4 7 (0.18%) Payment Gateway
5 6 (0.16%) Oracle Procure-to-Pay
6 2 (0.052%) Summit
Cloud Services
1 1,126 (29.19%) AWS
2 521 (13.51%) Azure
3 488 (12.65%) GCP
4 344 (8.92%) GitHub
5 237 (6.14%) Google Play
6 203 (5.26%) Firebase
7 196 (5.08%) Serverless
8 182 (4.72%) SaaS
9 153 (3.97%) Cloud Computing
10 118 (3.06%) AWS CloudFormation
11 103 (2.67%) AWS Lambda
12 100 (2.59%) Datadog
13 94 (2.44%) Slack
14 92 (2.39%) Amazon S3
15 80 (2.07%) Amazon SQS
16 73 (1.89%) GitHub Actions
17 59 (1.53%) Amazon ECS
18 56 (1.45%) Azure DevOps
19 46 (1.19%) Figma
20 43 (1.11%) Amazon Kinesis
Communications & Networking
1 148 (3.84%) HTTP
2 112 (2.90%) PPP
3 71 (1.84%) Broadband
4 52 (1.35%) NFC
5 45 (1.17%) Internet
6 39 (1.01%) VoIP
7 21 (0.54%) Firewall
7 21 (0.54%) TCP/IP
8 13 (0.34%) Network Security
9 12 (0.31%) FIX Connectivity
10 11 (0.29%) Bluetooth
11 10 (0.26%) 5G
11 10 (0.26%) SMS
12 9 (0.23%) DNS
12 9 (0.23%) Wireshark
13 7 (0.18%) SSH
13 7 (0.18%) VPN
14 6 (0.16%) HTTPS
14 6 (0.16%) PBX
15 5 (0.13%) Wi-Fi
Database & Business Intelligence
1 598 (15.50%) PostgreSQL
2 267 (6.92%) NoSQL
3 251 (6.51%) Redis
4 240 (6.22%) Relational Database
5 201 (5.21%) MySQL
6 154 (3.99%) MongoDB
7 150 (3.89%) DynamoDB
8 124 (3.21%) Amazon Aurora
9 123 (3.19%) Elasticsearch
10 102 (2.64%) CockroachDB
11 86 (2.23%) Big Data
12 84 (2.18%) SQL Server
13 74 (1.92%) RDBMS
14 47 (1.22%) SQLite
15 44 (1.14%) Hazelcast
16 42 (1.09%) Apache Cassandra
17 31 (0.80%) Amazon RDS
17 31 (0.80%) Electronic Patient Records
18 26 (0.67%) Amazon Athena
19 24 (0.62%) Oracle Database
Development Applications
1 665 (17.24%) Git (software)
2 535 (13.87%) Jenkins
3 372 (9.64%) Gradle
4 276 (7.16%) Android Studio
5 259 (6.72%) JIRA
6 249 (6.46%) JUnit
7 143 (3.71%) CircleCI
8 133 (3.45%) Bitbucket
9 132 (3.42%) SonarQube
10 129 (3.34%) GitLab
11 119 (3.09%) Maven
12 107 (2.77%) Babel
13 94 (2.44%) Mockito
14 93 (2.41%) Cucumber
15 92 (2.39%) Postman
16 88 (2.28%) Spinnaker
17 87 (2.26%) Xcode
18 82 (2.13%) Cypress.io
19 67 (1.74%) Selenium
20 65 (1.69%) Appium
General
1 1,003 (26.00%) Finance
2 823 (21.34%) Social Skills
3 477 (12.37%) Banking
4 382 (9.90%) Games
5 350 (9.07%) Retail
6 248 (6.43%) Analytical Skills
7 170 (4.41%) Marketing
8 148 (3.84%) Inclusion and Diversity
9 92 (2.39%) Law
10 89 (2.31%) Advertising
11 69 (1.79%) Organisational Skills
12 64 (1.66%) Automotive
12 64 (1.66%) Telecoms
13 56 (1.45%) Publishing
14 47 (1.22%) Billing
15 39 (1.01%) Back Office
15 39 (1.01%) Legal
15 39 (1.01%) Pharmaceutical
16 30 (0.78%) Financial Institution
17 29 (0.75%) Electronics
Job Titles
1 1,660 (43.04%) Developer
2 1,007 (26.11%) Software Engineer
3 684 (17.73%) Android Developer
4 540 (14.00%) Senior Developer
5 437 (11.33%) Java Developer
6 421 (10.92%) Android Engineer
7 336 (8.71%) Senior Software Engineer
8 266 (6.90%) Senior Android Developer
9 248 (6.43%) Java Engineer
10 158 (4.10%) Java Software Engineer
11 151 (3.91%) Applications Developer
12 105 (2.72%) Senior Java Developer
13 98 (2.54%) Software Developer
14 93 (2.41%) Front End Developer (Client-Side Developer)
15 85 (2.20%) QA Engineer
16 84 (2.18%) React Developer
17 81 (2.10%) Lead Developer
17 81 (2.10%) Senior Java Engineer
18 77 (2.00%) Android Software Engineer
19 75 (1.94%) Java Android Developer
Libraries, Frameworks & Software Standards
1 976 (25.30%) React
2 787 (20.40%) Kafka
3 734 (19.03%) Spring
4 551 (14.29%) Spring Boot
5 540 (14.00%) REST
6 463 (12.00%) Node.js
7 451 (11.69%) RESTful
8 361 (9.36%) AngularJS
9 338 (8.76%) React Native
10 307 (7.96%) RxJava
11 301 (7.80%) Dagger
12 280 (7.26%) Web Services
13 273 (7.08%) .NET
14 260 (6.74%) CSS
15 240 (6.22%) HTML
16 239 (6.20%) Vue.js
17 224 (5.81%) Android Jetpack
18 222 (5.76%) Android SDK
19 203 (5.26%) JSON
20 199 (5.16%) Retrofit
Miscellaneous
1 769 (19.94%) Mobile App
2 562 (14.57%) User Experience
3 239 (6.20%) Greenfield Project
4 200 (5.19%) Cloud Native
5 190 (4.93%) Algorithms
6 141 (3.66%) Blog
7 133 (3.45%) Blockchain
8 123 (3.19%) Data Structures
9 113 (2.93%) Video\Live Streaming
10 107 (2.77%) Mobile Payment
11 96 (2.49%) Hackathon
11 96 (2.49%) Virtual Team
12 89 (2.31%) Enterprise Software
13 78 (2.02%) Self-Motivation
14 73 (1.89%) Legacy Code
15 61 (1.58%) Social Media
16 59 (1.53%) Mobile Banking
17 50 (1.30%) Equities
18 49 (1.27%) Fixed Income
19 47 (1.22%) Credit Risk
Operating Systems
1 1,709 (44.31%) Android
2 754 (19.55%) Apple iOS
3 270 (7.00%) Linux
4 83 (2.15%) Unix
5 37 (0.96%) Mac OS
6 36 (0.93%) Windows
7 24 (0.62%) Ubuntu
8 20 (0.52%) Embedded Linux
9 12 (0.31%) CentOS
9 12 (0.31%) Debian
10 8 (0.21%) CoreOS
10 8 (0.21%) Red Hat Enterprise Linux
11 5 (0.13%) FreeRTOS
12 4 (0.10%) OpenWrt
13 2 (0.052%) Android TV
14 1 (0.026%) Alpine Linux
14 1 (0.026%) VMS
Processes & Methodologies
1 2,032 (52.68%) Agile
2 1,633 (42.34%) Software Engineering
3 1,048 (27.17%) Android Development
3 1,048 (27.17%) CI/CD
4 817 (21.18%) Microservices
5 794 (20.59%) TDD
6 719 (18.64%) Test Automation
7 710 (18.41%) Scrum
8 619 (16.05%) DevOps
9 508 (13.17%) Continuous Integration
10 499 (12.94%) Full Stack Development
11 461 (11.95%) Mobile Development
12 458 (11.87%) Mentoring
13 428 (11.10%) MVVM
14 420 (10.89%) Computer Science
15 413 (10.71%) Problem-Solving
16 385 (9.98%) Fintech
17 357 (9.26%) Clean Code
17 357 (9.26%) Unit Testing
18 316 (8.19%) BDD
Programming Languages
1 2,835 (73.50%) Java
2 1,094 (28.36%) JavaScript
3 991 (25.69%) Python
4 530 (13.74%) TypeScript
5 520 (13.48%) SQL
6 454 (11.77%) C#
7 436 (11.30%) Apple Swift
8 425 (11.02%) Go
9 408 (10.58%) Scala
10 327 (8.48%) Ruby
11 220 (5.70%) C++
12 167 (4.33%) Objective-C
13 105 (2.72%) Groovy
14 93 (2.41%) C
15 72 (1.87%) PHP
16 70 (1.81%) Dart
17 69 (1.79%) Clojure
18 62 (1.61%) Bash
19 58 (1.50%) PowerShell
20 51 (1.32%) Perl
Qualifications
1 424 (10.99%) Degree
2 182 (4.72%) Computer Science Degree
3 32 (0.83%) Master's Degree
4 15 (0.39%) Microsoft Certification
4 15 (0.39%) Numerate Degree
4 15 (0.39%) PhD
5 10 (0.26%) AWS Certification
5 10 (0.26%) Security Cleared
6 9 (0.23%) SC Cleared
7 8 (0.21%) DBS Check
8 6 (0.16%) ISEB
8 6 (0.16%) ISTQB
8 6 (0.16%) Six Sigma Black Belt
9 1 (0.026%) BPSS Clearance
9 1 (0.026%) SANS
Quality Assurance & Compliance
1 266 (6.90%) QA
2 99 (2.57%) Accessibility
3 11 (0.29%) ISO/IEC 27001
3 11 (0.29%) PCI DSS
4 10 (0.26%) Data Quality
5 7 (0.18%) GDPR
6 6 (0.16%) HIPAA
6 6 (0.16%) ISO/IEC 14443
6 6 (0.16%) SOC 2
7 4 (0.10%) IEC 62304
7 4 (0.10%) ISO 13485
8 1 (0.026%) ISO 22301
8 1 (0.026%) ISO 9001
8 1 (0.026%) WCAG
System Software
1 1,146 (29.71%) Docker
2 20 (0.52%) Firmware
3 9 (0.23%) ISA Server
4 8 (0.21%) VMware Infrastructure
5 7 (0.18%) Apache ZooKeeper
5 7 (0.18%) Virtual Machines
6 6 (0.16%) Hyper-V
7 1 (0.026%) LXC
Systems Management
1 1,205 (31.24%) Kubernetes
2 567 (14.70%) Terraform
3 93 (2.41%) Ansible
4 64 (1.66%) Docker Swarm
5 52 (1.35%) Grafana
5 52 (1.35%) Puppet
6 51 (1.32%) Prometheus
7 33 (0.86%) Istio
8 25 (0.65%) Opscode Chef
8 25 (0.65%) Single Sign-On
9 14 (0.36%) Argo
9 14 (0.36%) Rancher
10 13 (0.34%) Kibana
11 11 (0.29%) WebSphere Cast Iron
12 9 (0.23%) Mesos
13 8 (0.21%) Consul
13 8 (0.21%) Fluentd
13 8 (0.21%) Kubeflow
13 8 (0.21%) Kustomize
14 5 (0.13%) Bugsnag
Vendors
1 522 (13.53%) Google
2 167 (4.33%) Microsoft
3 122 (3.16%) Zopa
4 96 (2.49%) Oracle
5 90 (2.33%) Apple
6 50 (1.30%) Checkmarx
7 44 (1.14%) Adobe
8 36 (0.93%) Xamarin
9 35 (0.91%) Snapchat
10 32 (0.83%) Facebook
10 32 (0.83%) Instagram
11 31 (0.80%) Atlassian
12 27 (0.70%) CA
13 24 (0.62%) Salesforce.com
13 24 (0.62%) Spotify
14 22 (0.57%) Klarna
15 20 (0.52%) Datto
15 20 (0.52%) Revolut
15 20 (0.52%) Sony
16 18 (0.47%) YouTube