Period
to 9 July 2020

The following table provides summary statistics for permanent job vacancies advertised in Surrey 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 9 July 2020 with a comparison to the same period in the previous 2 years.

JetBrains Kotlin
South East > Surrey
6 months to
9 Jul 2020
Same period 2019 Same period 2018
Rank 120 205 233
Rank change year-on-year +85 +28 -
Permanent jobs citing Kotlin 22 23 8
As % of all permanent jobs advertised in Surrey 1.06% 0.52% 0.15%
As % of the Programming Languages category 2.00% 1.03% 0.27%
Number of salaries quoted 25 22 8
Median annual salary £57,500 £62,500 £70,000
Median salary % change year-on-year -8.00% -10.71% -
10th Percentile £50,600 £46,250 £42,125
90th Percentile £69,000 £70,000 £86,250
South East median annual salary £57,500 £55,000 £57,500
% change year-on-year +4.55% -4.35% -

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 Surrey with a requirement for coding skills.

All Programming Languages
Surrey
Permanent vacancies with a requirement for coding skills 1,099 2,225 2,967
As % of all permanent IT jobs advertised in Surrey 53.14% 50.23% 55.97%
Number of salaries quoted 911 1,859 2,593
Median annual salary £55,000 £55,000 £47,500
Median salary % change year-on-year - +15.79% -5.00%
10th Percentile £35,000 £31,500 £30,000
90th Percentile £77,500 £77,500 £68,750
South East median annual salary £50,000 £47,500 £45,000
% change year-on-year +5.26% +5.56% -

Kotlin
Job Vacancy Trend in Surrey

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

Job vacancy trend for Kotlin in Surrey

Kotlin
Salary Trend in Surrey

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

Salary trend for Kotlin in Surrey

Kotlin
Salary Histogram in Surrey

Salary distribution for jobs citing Kotlin in Surrey over the 6 months to 9 July 2020.

Salary histogram for Kotlin in Surrey

Kotlin
Job Locations in Surrey

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Kotlin within the Surrey region over the 6 months to 9 July 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
Woking +37 18 £57,500 -17.86%
Staines - 2 £65,000 - 2
Kotlin
South East

For the 6 months to 9 July 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 Surrey region with a requirement for Kotlin.

1 18 (81.82%) Android
1 18 (81.82%) Android Development
2 17 (77.27%) Java
3 16 (72.73%) Web Services
4 15 (68.18%) JUnit
5 14 (63.64%) Android Studio
5 14 (63.64%) Gradle
5 14 (63.64%) MVVM
5 14 (63.64%) Mockito
6 13 (59.09%) REST
6 13 (59.09%) Dependency Injection
6 13 (59.09%) XML
6 13 (59.09%) Material Design
6 13 (59.09%) Problem-Solving
7 12 (54.55%) Retrofit
7 12 (54.55%) Dagger
7 12 (54.55%) RxJava
7 12 (54.55%) Analytical Skills
7 12 (54.55%) GraphQL
7 12 (54.55%) Scrum
7 12 (54.55%) Protocol Buffers
7 12 (54.55%) OAuth2
7 12 (54.55%) OAuth
7 12 (54.55%) JSON
8 11 (50.00%) Agile Software Development
8 11 (50.00%) .NET
9 10 (45.45%) C#
10 9 (40.91%) Objective-C
10 9 (40.91%) Azure
10 9 (40.91%) Apple iOS

Kotlin
Co-occurring IT Skills in Surrey 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:

Cloud Services
1 9 (40.91%) Azure
2 3 (13.64%) Azure Functions
2 3 (13.64%) Serverless
3 1 (4.55%) Amazon S3
Communications & Networking
1 3 (13.64%) MQTT
2 2 (9.09%) Skype
Database & Business Intelligence
1 3 (13.64%) Cosmos DB
1 3 (13.64%) NoSQL
2 2 (9.09%) KDB
Development Applications
1 15 (68.18%) JUnit
2 14 (63.64%) Android Studio
2 14 (63.64%) Gradle
2 14 (63.64%) Mockito
3 7 (31.82%) Git (software)
4 5 (22.73%) git-flow
4 5 (22.73%) JIRA
5 1 (4.55%) Xcode
General
1 5 (22.73%) Retail
2 1 (4.55%) Automotive
2 1 (4.55%) Marketing
Job Titles
1 18 (81.82%) Developer
2 16 (72.73%) Android Developer
3 3 (13.64%) Java Android Developer
3 3 (13.64%) Java Developer
3 3 (13.64%) Software Engineer
4 2 (9.09%) Mobile Developer
5 1 (4.55%) .NET Software Engineer
5 1 (4.55%) Azure Developer
5 1 (4.55%) Mobile Web Developer
5 1 (4.55%) Python Engineer
5 1 (4.55%) Python Software Engineer
5 1 (4.55%) Senior Developer
5 1 (4.55%) Senior Mobile Developer
5 1 (4.55%) Web Developer
Libraries, Frameworks & Software Standards
1 16 (72.73%) Web Services
2 13 (59.09%) Material Design
2 13 (59.09%) REST
2 13 (59.09%) XML
3 12 (54.55%) Dagger
3 12 (54.55%) GraphQL
3 12 (54.55%) JSON
3 12 (54.55%) OAuth
3 12 (54.55%) OAuth2
3 12 (54.55%) Protocol Buffers
3 12 (54.55%) Retrofit
3 12 (54.55%) RxJava
4 11 (50.00%) .NET
5 5 (22.73%) AngularJS
5 5 (22.73%) React
6 3 (13.64%) .NET Core
6 3 (13.64%) .NET Framework
6 3 (13.64%) Kafka
6 3 (13.64%) RESTful
7 2 (9.09%) jQuery
Miscellaneous
1 12 (54.55%) Analytical Skills
2 1 (4.55%) Analytical Mindset
Operating Systems
1 18 (81.82%) Android
2 9 (40.91%) Apple iOS
3 3 (13.64%) Linux
Processes & Methodologies
1 18 (81.82%) Android Development
2 14 (63.64%) MVVM
3 13 (59.09%) Dependency Injection
3 13 (59.09%) Problem-Solving
4 12 (54.55%) Scrum
5 11 (50.00%) Agile Software Development
6 8 (36.36%) Microservices
6 8 (36.36%) TDD
7 7 (31.82%) Mobile Development
8 6 (27.27%) DevOps
9 5 (22.73%) Continuous Integration
9 5 (22.73%) Domain-Driven Design
10 3 (13.64%) Data Engineering
10 3 (13.64%) Software Engineering
11 2 (9.09%) Actionable Insight
11 2 (9.09%) Computer Science
11 2 (9.09%) Data Management
11 2 (9.09%) Lean Software Development
11 2 (9.09%) Open Source
11 2 (9.09%) Test Automation
Programming Languages
1 17 (77.27%) Java
2 10 (45.45%) C#
3 9 (40.91%) Apple Swift
3 9 (40.91%) Objective-C
4 5 (22.73%) Python
5 4 (18.18%) C++
6 3 (13.64%) SQL
7 2 (9.09%) JavaScript
7 2 (9.09%) Ruby
8 1 (4.55%) Java 8
8 1 (4.55%) PHP
Qualifications
1 1 (4.55%) Computer Science Degree
1 1 (4.55%) Degree
System Software
1 4 (18.18%) Docker
Systems Management
1 3 (13.64%) Kubernetes
2 1 (4.55%) Terraform
Vendors
1 7 (31.82%) Microsoft
2 2 (9.09%) Google