Period
to 22 September 2021

The following table provides summary statistics for permanent job vacancies advertised in the South East 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 22 September 2021 with a comparison to the same period in the previous 2 years.

JetBrains Kotlin
England > South East
6 months to
22 Sep 2021
Same period 2020 Same period 2019
Rank 313 226 417
Rank change year-on-year -87 +191 +67
Permanent jobs citing Kotlin 125 79 100
As % of all permanent jobs advertised in the South East 0.71% 0.95% 0.39%
As % of the Programming Languages category 1.32% 1.64% 0.73%
Number of salaries quoted 74 71 85
10th Percentile £32,875 £42,500 £35,000
25th Percentile £43,750 £47,500 £42,500
Median annual salary (50th Percentile) £62,500 £57,500 £52,500
Median % change year-on-year +8.70% +9.52% -27.59%
75th Percentile £82,500 £72,500 £65,000
90th Percentile £100,000 £76,250 £88,000
England median annual salary £75,000 £72,500 £65,000
% change year-on-year +3.45% +11.54% -3.70%

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 the South East with a requirement for coding skills.

All Programming Languages
South East
Permanent vacancies with a requirement for coding skills 9,444 4,815 13,607
As % of all permanent IT jobs advertised in the South East 53.98% 57.94% 53.25%
Number of salaries quoted 6,907 4,186 11,769
10th Percentile £32,500 £32,500 £28,750
25th Percentile £40,371 £41,250 £36,250
Median annual salary (50th Percentile) £52,500 £52,500 £47,500
Median % change year-on-year - +10.53% -
75th Percentile £65,000 £65,000 £61,250
90th Percentile £77,500 £75,000 £71,250
England median annual salary £60,000 £57,500 £52,500
% change year-on-year +4.35% +9.52% +5.00%

Kotlin
Job Vacancy Trend in the South East

Job postings citing Kotlin as a proportion of all IT jobs advertised in the South East.

Job vacancy trend for Kotlin in the South East

Kotlin
Salary Trend in the South East

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

Salary trend for Kotlin in the South East

Kotlin
Salary Histogram in the South East

Salary distribution for jobs citing Kotlin in the South East over the 6 months to 22 September 2021.

Salary histogram for Kotlin in the South East

Kotlin
Job Locations in the South East

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Kotlin within the South East region over the 6 months to 22 September 2021. 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
Thames Valley -84 39 £62,500 -10.71% 11
East Sussex -40 26 £35,000 -22.22% 1
Buckinghamshire -40 22 £62,500 +8.70% 3
Hampshire -93 22 £46,500 -15.45% 4
Kent -19 21 £53,750 -23.21% 2
Berkshire -65 13 £92,500 +131.25% 5
Surrey -80 6 £110,000 +91.30% 3
Home Counties - 6 £100,000 -
West Sussex -18 4 £42,500 -34.62%
Oxfordshire -41 4 £62,500 -10.71% 3
Kotlin
England

For the 6 months to 22 September 2021, 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 South East region with a requirement for Kotlin.

1 102 (81.60%) Java
2 77 (61.60%) Android
3 72 (57.60%) Android Development
4 61 (48.80%) Mobile App
4 61 (48.80%) Mobile Development
5 36 (28.80%) Social Skills
6 35 (28.00%) Degree
7 34 (27.20%) Software Engineering
7 34 (27.20%) GCP
8 30 (24.00%) Pair Programming
8 30 (24.00%) Agile Software Development
8 30 (24.00%) JavaScript
9 29 (23.20%) Microservices
10 28 (22.40%) Git (software)
11 27 (21.60%) Apple iOS
11 27 (21.60%) React
11 27 (21.60%) React Native
12 26 (20.80%) REST
13 24 (19.20%) Computer Science
14 23 (18.40%) Node.js
14 23 (18.40%) Mentoring
15 22 (17.60%) Mobile Application Development
16 21 (16.80%) AWS
16 21 (16.80%) Computer Science Degree
17 20 (16.00%) Azure
17 20 (16.00%) Windows
18 19 (15.20%) OO
18 19 (15.20%) Redux
18 19 (15.20%) Software Delivery
19 18 (14.40%) DevOps

Kotlin
Co-occurring IT Skills in the South East 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 3 (2.40%) nginx
2 2 (1.60%) Apache Spark
3 1 (0.80%) Elasticsearch
Applications
1 1 (0.80%) Adobe Creative Suite
1 1 (0.80%) Adobe Illustrator
1 1 (0.80%) Adobe XD
1 1 (0.80%) Photoshop
Business Applications
1 7 (5.60%) Distributed Ledger
2 1 (0.80%) R3 Corda
Cloud Services
1 34 (27.20%) GCP
2 21 (16.80%) AWS
3 20 (16.00%) Azure
4 3 (2.40%) AWS CloudFormation
4 3 (2.40%) GitHub
4 3 (2.40%) Google Play
5 2 (1.60%) Amazon EMR
5 2 (1.60%) Amazon S3
5 2 (1.60%) SaaS
5 2 (1.60%) Serverless
6 1 (0.80%) Amazon Alexa
6 1 (0.80%) Amazon EKS
6 1 (0.80%) Amazon SQS
6 1 (0.80%) AWS Lambda
6 1 (0.80%) npm
Communications & Networking
1 6 (4.80%) Network Security
2 1 (0.80%) DHCP
2 1 (0.80%) DNS
2 1 (0.80%) Firewall
2 1 (0.80%) Multicast
Database & Business Intelligence
1 10 (8.00%) Blockchain
2 3 (2.40%) Big Data
3 2 (1.60%) Amazon Athena
3 2 (1.60%) Apache Hive
3 2 (1.60%) Electronic Patient Records
3 2 (1.60%) Hadoop
3 2 (1.60%) NoSQL
3 2 (1.60%) Presto
4 1 (0.80%) Amazon DynamoDB
4 1 (0.80%) Amazon RDS
4 1 (0.80%) Data Lake
4 1 (0.80%) GIS
4 1 (0.80%) MongoDB
4 1 (0.80%) MySQL
4 1 (0.80%) PostgreSQL
4 1 (0.80%) Redis
Development Applications
1 28 (22.40%) Git (software)
2 10 (8.00%) Jenkins
3 8 (6.40%) Xcode
4 7 (5.60%) Gradle
5 6 (4.80%) Android Studio
5 6 (4.80%) GitLab
6 5 (4.00%) Mockito
7 4 (3.20%) Maven
8 3 (2.40%) JIRA
9 2 (1.60%) Cucumber
10 1 (0.80%) Artifactory
10 1 (0.80%) ESLint
10 1 (0.80%) Jasmine
10 1 (0.80%) JUnit
10 1 (0.80%) Mocha
10 1 (0.80%) Postman
10 1 (0.80%) Robolectric
10 1 (0.80%) webpack
General
1 36 (28.80%) Social Skills
2 11 (8.80%) Finance
3 7 (5.60%) Marketing
3 7 (5.60%) Retail
4 6 (4.80%) Fire and Rescue
4 6 (4.80%) Manufacturing
5 5 (4.00%) Banking
6 4 (3.20%) Presentation Skills
7 3 (2.40%) Automotive
8 2 (1.60%) Public Sector
9 1 (0.80%) Analytical Skills
9 1 (0.80%) Electronics
9 1 (0.80%) Games
9 1 (0.80%) Legal
9 1 (0.80%) Local Government
9 1 (0.80%) Military
9 1 (0.80%) Telecoms
9 1 (0.80%) Wearables
Job Titles
1 92 (73.60%) Developer
2 60 (48.00%) Android Developer
3 23 (18.40%) Software Engineer
4 22 (17.60%) Java Developer
5 20 (16.00%) Mobile Developer
6 12 (9.60%) Senior Software Engineer
7 11 (8.80%) Java Android Developer
7 11 (8.80%) Senior Developer
8 6 (4.80%) Java Mobile Developer
8 6 (4.80%) Junior
8 6 (4.80%) Junior Android Developer
8 6 (4.80%) Junior Developer
8 6 (4.80%) Junior Java Developer
9 5 (4.00%) Applications Developer
9 5 (4.00%) Java Engineer
9 5 (4.00%) Senior Android Developer
10 4 (3.20%) Lead Developer
10 4 (3.20%) Mobile Applications Developer
10 4 (3.20%) Senior Java Developer
10 4 (3.20%) Software Developer
Libraries, Frameworks & Software Standards
1 27 (21.60%) React
1 27 (21.60%) React Native
2 26 (20.80%) REST
3 23 (18.40%) Node.js
4 19 (15.20%) Redux
5 14 (11.20%) Spring Boot
6 10 (8.00%) JSON
7 9 (7.20%) Spring
8 8 (6.40%) Cocoa
9 6 (4.80%) Android SDK
9 6 (4.80%) HTML
10 5 (4.00%) CSS
10 5 (4.00%) Next.js
11 4 (3.20%) AngularJS
11 4 (3.20%) Dagger
11 4 (3.20%) Web Services
12 3 (2.40%) Software Packaging
13 2 (1.60%) OpenID
13 2 (1.60%) RESTful
13 2 (1.60%) Spring Security
Miscellaneous
1 61 (48.80%) Mobile App
2 15 (12.00%) iPad
3 6 (4.80%) NHS
4 3 (2.40%) Data Protection Act
4 3 (2.40%) Greenfield Project
4 3 (2.40%) Virtual Team
5 2 (1.60%) Hybrid Cloud
6 1 (0.80%) Analytical Mindset
6 1 (0.80%) Home Automation
6 1 (0.80%) Legacy Code
6 1 (0.80%) Private Cloud
6 1 (0.80%) User Experience
6 1 (0.80%) Video\Live Streaming
Operating Systems
1 77 (61.60%) Android
2 27 (21.60%) Apple iOS
3 20 (16.00%) Windows
4 10 (8.00%) Linux
5 1 (0.80%) Unix
Processes & Methodologies
1 72 (57.60%) Android Development
2 61 (48.80%) Mobile Development
3 34 (27.20%) Software Engineering
4 30 (24.00%) Agile Software Development
4 30 (24.00%) Pair Programming
5 29 (23.20%) Microservices
6 24 (19.20%) Computer Science
7 23 (18.40%) Mentoring
8 22 (17.60%) Mobile Application Development
9 19 (15.20%) OO
9 19 (15.20%) Software Delivery
10 18 (14.40%) DevOps
11 17 (13.60%) SOLID
12 16 (12.80%) E-Commerce
12 16 (12.80%) IT Strategy
12 16 (12.80%) TDD
13 14 (11.20%) iOS Development
14 13 (10.40%) Continuous Integration
15 11 (8.80%) Problem-Solving
15 11 (8.80%) Scrum
Programming Languages
1 102 (81.60%) Java
2 30 (24.00%) JavaScript
3 17 (13.60%) Apple Swift
4 11 (8.80%) Python
5 10 (8.00%) Java 8
6 5 (4.00%) Scala
7 4 (3.20%) C#
7 4 (3.20%) Java 11
7 4 (3.20%) SQL
8 3 (2.40%) Bash Shell
8 3 (2.40%) Objective-C
9 2 (1.60%) C++
9 2 (1.60%) TypeScript
10 1 (0.80%) C
10 1 (0.80%) Clojure
10 1 (0.80%) ClojureScript
10 1 (0.80%) ES6
10 1 (0.80%) Groovy
10 1 (0.80%) PowerShell
10 1 (0.80%) Ruby
Qualifications
1 35 (28.00%) Degree
2 21 (16.80%) Computer Science Degree
3 2 (1.60%) SC Cleared
3 2 (1.60%) Security Cleared
4 1 (0.80%) BPSS Clearance
4 1 (0.80%) DV Cleared
Quality Assurance & Compliance
1 4 (3.20%) QA
2 1 (0.80%) Accessibility
2 1 (0.80%) WCAG
System Software
1 7 (5.60%) Docker
Systems Management
1 11 (8.80%) Kubernetes
2 5 (4.00%) Terraform
3 1 (0.80%) Ansible
3 1 (0.80%) Kibana
3 1 (0.80%) linkerd
3 1 (0.80%) logstash
3 1 (0.80%) ZABBIX
Vendors
1 12 (9.60%) Google
2 7 (5.60%) Apple
2 7 (5.60%) Xamarin
3 1 (0.80%) Adobe
3 1 (0.80%) AppDynamics
3 1 (0.80%) SAP
3 1 (0.80%) Spotify