Period
to

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 17 May 2022 with a comparison to the same period in the previous 2 years.

JetBrains Kotlin
England > London
6 months to
17 May 2022
Same period 2021 Same period 2020
Rank 135 181 189
Rank change year-on-year +46 +8 +194
Permanent jobs citing Kotlin 2,040 659 727
As % of all permanent jobs advertised in London 2.96% 1.96% 1.82%
As % of the Programming Languages category 4.84% 3.26% 3.20%
Number of salaries quoted 596 451 565
10th Percentile £58,750 £56,250 £50,500
25th Percentile £69,688 £62,500 £65,000
Median annual salary (50th Percentile) £85,000 £80,000 £80,000
Median % change year-on-year +6.25% - +14.29%
75th Percentile £110,000 £97,500 £118,750
90th Percentile £127,500 £115,000 £142,500
England median annual salary £75,000 £70,000 £72,500
% change year-on-year +7.14% -3.45% +16.00%

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 42,106 20,227 22,712
As % of all permanent IT jobs advertised in London 61.05% 60.29% 56.72%
Number of salaries quoted 19,036 15,379 19,010
10th Percentile £46,250 £43,750 £41,250
25th Percentile £56,250 £55,000 £52,485
Median annual salary (50th Percentile) £75,000 £70,000 £70,000
Median % change year-on-year +7.14% - +7.69%
75th Percentile £95,000 £88,750 £86,250
90th Percentile £115,000 £105,000 £105,000
England median annual salary £62,500 £57,500 £55,000
% change year-on-year +8.70% +4.55% +4.76%

Kotlin
Job Vacancy Trend in London

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

Job vacancy trend for Kotlin in London

Kotlin
Salary Trend in London

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

Salary trend for Kotlin in London

Kotlin
Salary Histogram in London

Salary distribution for jobs citing Kotlin in London over the 6 months to 17 May 2022.

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 17 May 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
Central London -21 145 £97,500 +22.26% 73
West London -42 24 £72,500 -6.45% 12
South London -47 4 £65,000 -13.33% 1
East London -62 3 £70,000 -3.45% 7
Kotlin
England

For the 6 months to 17 May 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 across the London region with a requirement for Kotlin.

1 1,479 (72.50%) Java
2 1,049 (51.42%) Agile
3 833 (40.83%) Software Engineering
4 821 (40.25%) Android
5 628 (30.78%) Finance
6 620 (30.39%) Kubernetes
7 582 (28.53%) Docker
8 561 (27.50%) Android Development
9 540 (26.47%) CI/CD
10 510 (25.00%) AWS
11 499 (24.46%) Python
12 498 (24.41%) Social Skills
13 495 (24.26%) JavaScript
14 485 (23.77%) Microservices
15 467 (22.89%) React
16 466 (22.84%) Kafka
17 434 (21.27%) Mobile App
18 419 (20.54%) TDD
19 340 (16.67%) REST
20 338 (16.57%) Spring
21 333 (16.32%) SQL
22 327 (16.03%) Jenkins
23 325 (15.93%) Test Automation
24 317 (15.54%) Google
25 304 (14.90%) Scrum
26 302 (14.80%) Git (software)
27 301 (14.75%) User Experience
28 297 (14.56%) Apple iOS
29 294 (14.41%) Mentoring
30 283 (13.87%) Azure

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 50 (2.45%) Apache
2 46 (2.25%) Confluence
3 40 (1.96%) Apache Spark
4 37 (1.81%) Apache Airflow
5 32 (1.57%) Jetty
6 11 (0.54%) Elasticsearch
6 11 (0.54%) MQSeries
7 10 (0.49%) IBM Domino
8 5 (0.25%) Apache Pulsar
9 4 (0.20%) CMS
10 1 (0.049%) Ethereum
10 1 (0.049%) Hyperledger
Applications
1 25 (1.23%) InVision
2 20 (0.98%) Sketch
3 13 (0.64%) Adobe Creative Suite
4 4 (0.20%) Spreadsheet
Business Applications
1 68 (3.33%) Distributed Ledger
2 58 (2.84%) R3 Corda
3 5 (0.25%) Academy Revenues and Benefits
4 4 (0.20%) Summit
5 3 (0.15%) Payment Gateway
6 1 (0.049%) Sentinel
Cloud Services
1 510 (25.00%) AWS
2 283 (13.87%) Azure
3 255 (12.50%) GCP
4 174 (8.53%) GitHub
5 142 (6.96%) Google Play
6 128 (6.27%) Serverless
7 113 (5.54%) Firebase
7 113 (5.54%) SaaS
8 61 (2.99%) AWS Lambda
9 60 (2.94%) Amazon S3
9 60 (2.94%) Cloud Computing
10 58 (2.84%) Datadog
11 40 (1.96%) Slack
12 36 (1.76%) GitHub Actions
13 33 (1.62%) Amazon EC2
13 33 (1.62%) AWS CloudFormation
14 32 (1.57%) OpenShift
15 29 (1.42%) AppsFlyer
16 27 (1.32%) Amazon ECS
17 26 (1.27%) npm
Communications & Networking
1 98 (4.80%) HTTP
2 40 (1.96%) Broadband
3 23 (1.13%) VoIP
4 20 (0.98%) Internet
5 17 (0.83%) Firewall
6 16 (0.78%) TCP/IP
7 10 (0.49%) FIX Connectivity
8 7 (0.34%) DNS
8 7 (0.34%) SSH
8 7 (0.34%) VPN
9 6 (0.29%) NFC
9 6 (0.29%) PBX
10 3 (0.15%) HTTPS
10 3 (0.15%) PPP
11 2 (0.098%) 5G
11 2 (0.098%) Bluetooth
11 2 (0.098%) SAN
12 1 (0.049%) DVB
12 1 (0.049%) Multicast
12 1 (0.049%) SSL
Database & Business Intelligence
1 252 (12.35%) PostgreSQL
2 128 (6.27%) NoSQL
3 125 (6.13%) Relational Database
4 107 (5.25%) Amazon Aurora
5 101 (4.95%) MongoDB
6 85 (4.17%) MySQL
7 75 (3.68%) Amazon DynamoDB
8 56 (2.75%) RDBMS
8 56 (2.75%) Redis
9 51 (2.50%) SQL Server
10 42 (2.06%) Hazelcast
11 36 (1.76%) Big Data
12 26 (1.27%) Apache Cassandra
13 22 (1.08%) Electronic Patient Records
14 20 (0.98%) Amazon Athena
15 17 (0.83%) Spark SQL
16 16 (0.78%) Hadoop
17 15 (0.74%) Metadata
17 15 (0.74%) SQLite
18 14 (0.69%) Aerospike
Development Applications
1 327 (16.03%) Jenkins
2 302 (14.80%) Git (software)
3 130 (6.37%) Android Studio
4 127 (6.23%) Gradle
4 127 (6.23%) JUnit
5 115 (5.64%) JIRA
6 97 (4.75%) Babel
7 82 (4.02%) CircleCI
8 78 (3.82%) Bitbucket
9 73 (3.58%) Cypress.io
10 72 (3.53%) Postman
11 70 (3.43%) Maven
12 68 (3.33%) Mockito
13 60 (2.94%) Mercurial
14 59 (2.89%) Selenium
15 57 (2.79%) Cucumber
16 48 (2.35%) Spinnaker
17 47 (2.30%) Appium
18 39 (1.91%) Atlassian Bamboo
19 36 (1.76%) webpack
General
1 628 (30.78%) Finance
2 498 (24.41%) Social Skills
3 242 (11.86%) Banking
4 213 (10.44%) Games
5 153 (7.50%) Retail
6 128 (6.27%) Analytical Skills
7 79 (3.87%) Marketing
8 48 (2.35%) Advertising
9 46 (2.25%) Inclusion and Diversity
10 42 (2.06%) Billing
11 37 (1.81%) Automotive
12 35 (1.72%) Telecoms
13 31 (1.52%) Publishing
14 27 (1.32%) Financial Institution
15 26 (1.27%) Back Office
16 19 (0.93%) Retail Banking
16 19 (0.93%) Tech for Good
17 16 (0.78%) Law
18 14 (0.69%) Legal
18 14 (0.69%) Pharmaceutical
Job Titles
1 816 (40.00%) Developer
2 499 (24.46%) Software Engineer
3 373 (18.28%) Android Developer
4 331 (16.23%) Senior Developer
5 245 (12.01%) Android Engineer
6 213 (10.44%) Java Developer
7 189 (9.26%) Senior Software Engineer
8 177 (8.68%) Senior Android Developer
9 163 (7.99%) Java Engineer
10 97 (4.75%) Java Software Engineer
11 69 (3.38%) Senior Java Developer
12 64 (3.14%) Applications Developer
13 62 (3.04%) Software Developer
14 57 (2.79%) Front End Developer (Client-Side Developer)
15 56 (2.75%) QA Engineer
16 52 (2.55%) Lead Software Engineer
17 50 (2.45%) Lead Developer
18 46 (2.25%) Senior Java Engineer
19 44 (2.16%) Data Engineer
19 44 (2.16%) Developer/Software Engineer
Libraries, Frameworks & Software Standards
1 467 (22.89%) React
2 466 (22.84%) Kafka
3 340 (16.67%) REST
4 338 (16.57%) Spring
5 234 (11.47%) Spring Boot
6 217 (10.64%) RESTful
7 197 (9.66%) Node.js
8 189 (9.26%) RxJava
9 175 (8.58%) Dagger
10 168 (8.24%) React Native
11 160 (7.84%) CSS
12 153 (7.50%) HTML
13 145 (7.11%) AngularJS
14 138 (6.76%) .NET
15 127 (6.23%) Web Services
16 121 (5.93%) GraphQL
16 121 (5.93%) RabbitMQ
17 117 (5.74%) JSON
18 116 (5.69%) Android Jetpack
19 115 (5.64%) Retrofit
Miscellaneous
1 434 (21.27%) Mobile App
2 301 (14.75%) User Experience
3 108 (5.29%) Greenfield Project
4 93 (4.56%) Algorithms
5 92 (4.51%) Blog
6 77 (3.77%) Cloud Native
7 56 (2.75%) Blockchain
8 55 (2.70%) Enterprise Software
9 54 (2.65%) Equities
10 53 (2.60%) Fixed Income
11 44 (2.16%) Self-Motivation
12 42 (2.06%) Credit Risk
13 35 (1.72%) Mobile Banking
14 34 (1.67%) Social Media
15 33 (1.62%) Video\Live Streaming
16 32 (1.57%) Data Structures
16 32 (1.57%) Legacy Systems
17 31 (1.52%) Management Information System
18 30 (1.47%) Legacy Code
19 28 (1.37%) Derivative
Operating Systems
1 821 (40.25%) Android
2 297 (14.56%) Apple iOS
3 156 (7.65%) Linux
4 44 (2.16%) Unix
5 9 (0.44%) CentOS
6 6 (0.29%) Embedded Linux
6 6 (0.29%) Mac OS
6 6 (0.29%) OpenWrt
6 6 (0.29%) Windows
7 5 (0.25%) CoreOS
7 5 (0.25%) Debian
7 5 (0.25%) Red Hat Enterprise Linux
8 2 (0.098%) Android TV
9 1 (0.049%) VMS
Processes & Methodologies
1 1,049 (51.42%) Agile
2 833 (40.83%) Software Engineering
3 561 (27.50%) Android Development
4 540 (26.47%) CI/CD
5 485 (23.77%) Microservices
6 419 (20.54%) TDD
7 325 (15.93%) Test Automation
8 304 (14.90%) Scrum
9 294 (14.41%) Mentoring
10 275 (13.48%) DevOps
11 250 (12.25%) Fintech
12 244 (11.96%) Problem-Solving
13 241 (11.81%) Mobile Development
14 236 (11.57%) Continuous Integration
15 228 (11.18%) MVVM
16 219 (10.74%) Computer Science
17 184 (9.02%) Full Stack Development
18 179 (8.77%) BDD
19 175 (8.58%) Kanban
20 155 (7.60%) Unit Testing
Programming Languages
1 1,479 (72.50%) Java
2 499 (24.46%) Python
3 495 (24.26%) JavaScript
4 333 (16.32%) SQL
5 274 (13.43%) TypeScript
6 220 (10.78%) C#
7 197 (9.66%) Scala
8 155 (7.60%) Go
9 141 (6.91%) Apple Swift
10 113 (5.54%) C++
11 112 (5.49%) Ruby
12 64 (3.14%) Groovy
12 64 (3.14%) Objective-C
13 59 (2.89%) Clojure
14 47 (2.30%) PowerShell
15 42 (2.06%) Shell Script
16 38 (1.86%) Bash
17 37 (1.81%) C
18 29 (1.42%) Rust
19 26 (1.27%) Dart
Qualifications
1 150 (7.35%) Degree
2 84 (4.12%) Computer Science Degree
3 13 (0.64%) Numerate Degree
4 10 (0.49%) AWS Certification
4 10 (0.49%) Master's Degree
5 7 (0.34%) SANS
6 2 (0.098%) PhD
6 2 (0.098%) SC Cleared
6 2 (0.098%) Security Cleared
7 1 (0.049%) BPSS Clearance
Quality Assurance & Compliance
1 146 (7.16%) QA
2 26 (1.27%) Accessibility
3 15 (0.74%) PCI DSS
4 9 (0.44%) ISO/IEC 27001
5 7 (0.34%) WCAG
6 6 (0.29%) ISO/IEC 14443
7 5 (0.25%) GDPR
7 5 (0.25%) HIPAA
7 5 (0.25%) SOC 2
8 4 (0.20%) IEC 62304
8 4 (0.20%) ISO 13485
System Software
1 582 (28.53%) Docker
2 10 (0.49%) ISA Server
3 5 (0.25%) Virtual Machines
4 1 (0.049%) Firmware
4 1 (0.049%) LXC
Systems Management
1 620 (30.39%) Kubernetes
2 214 (10.49%) Terraform
3 84 (4.12%) Ansible
4 53 (2.60%) Puppet
5 29 (1.42%) Docker Swarm
6 26 (1.27%) Prometheus
7 20 (0.98%) Opscode Chef
8 18 (0.88%) Istio
9 15 (0.74%) Grafana
9 15 (0.74%) Rancher
10 14 (0.69%) Argo
11 10 (0.49%) Mesos
12 5 (0.25%) Bugsnag
12 5 (0.25%) Fluentd
12 5 (0.25%) Kubeflow
12 5 (0.25%) Kustomize
12 5 (0.25%) WebSphere Cast Iron
13 4 (0.20%) Single Sign-On
14 1 (0.049%) Consul
14 1 (0.049%) logstash
Vendors
1 317 (15.54%) Google
2 100 (4.90%) Microsoft
3 67 (3.28%) Oracle
4 43 (2.11%) Apple
5 40 (1.96%) Adobe
6 25 (1.23%) Spotify
7 18 (0.88%) Xamarin
8 16 (0.78%) Sony
9 15 (0.74%) Salesforce.com
9 15 (0.74%) Trayport
10 12 (0.59%) BEA
10 12 (0.59%) CrowdStrike
11 10 (0.49%) Confluent
11 10 (0.49%) Facebook
12 9 (0.44%) Aareon
12 9 (0.44%) Dell
12 9 (0.44%) New Relic
12 9 (0.44%) Red Hat
13 8 (0.39%) Snapchat
14 7 (0.34%) Klarna