Period
to 20 September 2020

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 20 September 2020 with a comparison to the same period in the previous 2 years.

JetBrains Kotlin
England > South East
6 months to
20 Sep 2020
Same period 2019 Same period 2018
Rank 212 409 498
Rank change year-on-year +197 +89 +52
Permanent jobs citing Kotlin 79 103 56
As % of all permanent jobs advertised in the South East 0.97% 0.40% 0.19%
As % of the Programming Languages category 1.67% 0.74% 0.33%
Number of salaries quoted 79 119 53
Median annual salary £57,500 £53,000 £70,000
Median salary % change year-on-year +8.49% -24.29% +42.86%
10th Percentile £42,500 £35,000 £42,500
90th Percentile £76,250 £80,000 £100,000
England median annual salary £70,000 £65,000 £66,250
% change year-on-year +7.69% -1.89% -1.85%

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 4,729 13,853 16,820
As % of all permanent IT jobs advertised in the South East 57.79% 53.30% 56.97%
Number of salaries quoted 4,060 11,912 14,583
Median annual salary £52,500 £47,500 £47,500
Median salary % change year-on-year +10.53% - +5.56%
10th Percentile £32,500 £28,750 £29,000
90th Percentile £75,000 £71,250 £67,500
England median annual salary £57,500 £52,500 £50,000
% change year-on-year +9.52% +5.00% +3.09%

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 20 September 2020.

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 20 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
Thames Valley +136 22 £70,000 +16.67% 13
East Sussex +68 22 £45,000 +5.88% 2
Surrey +110 18 £57,500 +9.52%
Oxfordshire +73 12 £70,000 +21.74% 3
Hampshire +97 10 £55,000 +37.50% 2
Buckinghamshire +92 9 £57,500 -8.00% 5
West Sussex +65 5 £65,000 +4.00%
Kent +62 2 £70,000 +27.27%
Berkshire +78 1 £40,000 -33.33% 5
Kotlin
England

For the 6 months to 20 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 across the South East region with a requirement for Kotlin.

1 68 (86.08%) Android
2 67 (84.81%) Android Development
3 53 (67.09%) Java
4 49 (62.03%) Mobile Development
5 30 (37.97%) MVVM
6 29 (36.71%) Agile Software Development
7 26 (32.91%) Scrum
7 26 (32.91%) Mobile App
8 25 (31.65%) Apple iOS
9 20 (25.32%) Greenfield Project
10 17 (21.52%) Git (software)
10 17 (21.52%) RxJava
11 15 (18.99%) iOS Development
11 15 (18.99%) Insurtech
12 14 (17.72%) Retrofit
12 14 (17.72%) Dagger
13 13 (16.46%) DevOps
13 13 (16.46%) REST
14 12 (15.19%) Android SDK
14 12 (15.19%) Google
14 12 (15.19%) Bluetooth
15 11 (13.92%) Python
15 11 (13.92%) JUnit
15 11 (13.92%) JSON
15 11 (13.92%) Software Engineering
15 11 (13.92%) Android Studio
15 11 (13.92%) Mockito
15 11 (13.92%) Apple Swift
16 10 (12.66%) GraphQL
16 10 (12.66%) Dependency Injection

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 2 (2.53%) Apache Spark
2 1 (1.27%) CMS
2 1 (1.27%) Confluence
Cloud Services
1 8 (10.13%) Azure
1 8 (10.13%) Google Play
2 5 (6.33%) AWS
2 5 (6.33%) Serverless
3 3 (3.80%) GCP
4 2 (2.53%) Azure Functions
4 2 (2.53%) GitHub
4 2 (2.53%) SaaS
5 1 (1.27%) OpenShift
Communications & Networking
1 12 (15.19%) Bluetooth
2 2 (2.53%) Skype
Database & Business Intelligence
1 2 (2.53%) Cosmos DB
1 2 (2.53%) Hadoop
1 2 (2.53%) NoSQL
1 2 (2.53%) RDBMS
1 2 (2.53%) Relational Database
2 1 (1.27%) Big Data
Development Applications
1 17 (21.52%) Git (software)
2 11 (13.92%) Android Studio
2 11 (13.92%) JUnit
2 11 (13.92%) Mockito
3 10 (12.66%) Gradle
3 10 (12.66%) Jenkins
4 9 (11.39%) JIRA
5 6 (7.59%) CircleCI
6 5 (6.33%) Bitbucket
7 3 (3.80%) git-flow
8 2 (2.53%) Xcode
General
1 8 (10.13%) Retail
2 4 (5.06%) Games
3 1 (1.27%) Finance
3 1 (1.27%) Pharmaceutical
Job Titles
1 69 (87.34%) Developer
2 61 (77.22%) Android Developer
3 29 (36.71%) Mobile Developer
4 18 (22.78%) Java Developer
5 15 (18.99%) Java Android Developer
6 10 (12.66%) Senior Developer
7 8 (10.13%) Senior Java Developer
8 7 (8.86%) Senior Mobile Developer
9 6 (7.59%) Agile Developer
9 6 (7.59%) Java Mobile Developer
9 6 (7.59%) Lead Android Developer
9 6 (7.59%) Lead Developer
9 6 (7.59%) Senior Android Developer
9 6 (7.59%) Software Engineer
10 5 (6.33%) Agile Java Developer
10 5 (6.33%) Bluetooth Developer
10 5 (6.33%) iOS Developer
10 5 (6.33%) Senior Agile Developer
10 5 (6.33%) Senior Agile Java Developer
11 4 (5.06%) DevOps Engineer
Libraries, Frameworks & Software Standards
1 17 (21.52%) RxJava
2 14 (17.72%) Dagger
2 14 (17.72%) Retrofit
3 13 (16.46%) REST
4 12 (15.19%) Android SDK
5 11 (13.92%) JSON
6 10 (12.66%) GraphQL
6 10 (12.66%) XML
7 9 (11.39%) Material Design
7 9 (11.39%) Web Services
8 8 (10.13%) Node.js
8 8 (10.13%) OAuth
8 8 (10.13%) OAuth2
8 8 (10.13%) Protocol Buffers
9 7 (8.86%) React
10 6 (7.59%) .NET
11 5 (6.33%) AngularJS
11 5 (6.33%) jQuery
12 4 (5.06%) React Native
12 4 (5.06%) Spring
Miscellaneous
1 26 (32.91%) Mobile App
2 20 (25.32%) Greenfield Project
3 9 (11.39%) Analytical Skills
4 5 (6.33%) User Experience
5 3 (3.80%) Blog
6 2 (2.53%) Algorithms
6 2 (2.53%) Cloud Native
6 2 (2.53%) Data Structures
6 2 (2.53%) NHS
6 2 (2.53%) Social Media
7 1 (1.27%) Analytical Mindset
7 1 (1.27%) Client/Server
7 1 (1.27%) iPad
Operating Systems
1 68 (86.08%) Android
2 25 (31.65%) Apple iOS
3 3 (3.80%) Linux
4 1 (1.27%) Unix
4 1 (1.27%) Windows
Processes & Methodologies
1 67 (84.81%) Android Development
2 49 (62.03%) Mobile Development
3 30 (37.97%) MVVM
4 29 (36.71%) Agile Software Development
5 26 (32.91%) Scrum
6 15 (18.99%) Insurtech
6 15 (18.99%) iOS Development
7 13 (16.46%) DevOps
8 11 (13.92%) Software Engineering
9 10 (12.66%) Dependency Injection
9 10 (12.66%) TDD
10 9 (11.39%) Problem-Solving
10 9 (11.39%) Unit Testing
11 6 (7.59%) Continuous Improvement
12 5 (6.33%) Mentoring
12 5 (6.33%) Mobile Application Development
12 5 (6.33%) Waterfall
13 4 (5.06%) BDD
13 4 (5.06%) Continuous Integration
13 4 (5.06%) Kanban
Programming Languages
1 53 (67.09%) Java
2 11 (13.92%) Apple Swift
2 11 (13.92%) Python
3 10 (12.66%) Objective-C
4 7 (8.86%) JavaScript
5 5 (6.33%) C#
6 4 (5.06%) PHP
6 4 (5.06%) Ruby
7 2 (2.53%) C++
7 2 (2.53%) Go
7 2 (2.53%) Java 8
7 2 (2.53%) Scala
Qualifications
1 10 (12.66%) Degree
2 1 (1.27%) Computer Science Degree
2 1 (1.27%) Master's Degree
System Software
1 5 (6.33%) Docker
Systems Management
1 8 (10.13%) Kubernetes
2 6 (7.59%) Terraform
3 4 (5.06%) Ansible
4 2 (2.53%) Istio
4 2 (2.53%) Puppet
5 1 (1.27%) Kibana
Vendors
1 12 (15.19%) Google
2 5 (6.33%) Microsoft
3 1 (1.27%) Dell