Job Vacancy Trend Salary Trend Salary Histogram Job Locations Skill Sets
Period
to 12 June 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 12 June 2021 with a comparison to the same period in the previous 2 years.

JetBrains Kotlin
England > South East
6 months to
12 Jun 2021		 Same period 2020 Same period 2019
Rank 301 242 395
Rank change year-on-year -59 +153 +112
Permanent jobs citing Kotlin 88 149 117
As % of all permanent jobs advertised in the South East 0.60% 0.98% 0.45%
As % of the Programming Languages category 1.07% 1.75% 0.81%
Number of salaries quoted 48 129 81
10th Percentile £37,125 £42,000 £37,500
25th Percentile £50,000 £45,000 £45,000
Median annual salary (50th Percentile) £60,000 £57,500 £52,500
Median % change year-on-year +4.35% +9.52% -8.70%
75th Percentile £70,000 £71,250 £65,000
90th Percentile £86,500 £75,000 £70,000
England median annual salary £72,500 £70,000 £62,500
% change year-on-year +3.57% +12.00% -7.41%

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 8,251 8,526 14,391
As % of all permanent IT jobs advertised in the South East 55.87% 56.27% 54.85%
Number of salaries quoted 6,385 7,276 12,358
10th Percentile £32,500 £31,250 £28,750
25th Percentile £41,250 £38,475 £35,000
Median annual salary (50th Percentile) £50,000 £50,000 £47,500
Median % change year-on-year - +5.26% +5.56%
75th Percentile £63,750 £62,500 £61,250
90th Percentile £75,000 £73,750 £71,250
England median annual salary £57,500 £55,000 £52,500
% change year-on-year +4.55% +4.76% +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 12 June 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 12 June 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 -5 27 £62,500 -5.66% 7
Kent +1 21 - - 2
East Sussex -42 17 £60,000 +33.33% 1
Buckinghamshire +9 15 £62,500 - 1
Hampshire -29 8 £50,000 -16.67% 4
Surrey -18 7 £110,000 +91.30% 2
Oxfordshire +6 6 £62,500 -10.71% 3
Berkshire -9 6 £55,000 - 3
West Sussex -5 5 £33,500 -48.46%
Home Counties - 3 £100,000 -
Kotlin
England

For the 6 months to 12 June 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 61 (69.32%) Java
2 47 (53.41%) Mobile Development
3 42 (47.73%) Mobile App
4 37 (42.05%) JavaScript
5 35 (39.77%) Android
6 33 (37.50%) Android Development
7 30 (34.09%) Microservices
7 30 (34.09%) React
7 30 (34.09%) Software Engineering
8 28 (31.82%) Pair Programming
8 28 (31.82%) Social Skills
9 27 (30.68%) GCP
10 26 (29.55%) Agile Software Development
11 25 (28.41%) Node.js
12 23 (26.14%) AWS
13 21 (23.86%) Mentoring
13 21 (23.86%) Software Delivery
13 21 (23.86%) React Native
13 21 (23.86%) Redux
14 19 (21.59%) IT Strategy
14 19 (21.59%) Mobile Application Development
15 17 (19.32%) REST
15 17 (19.32%) Degree
16 14 (15.91%) Computer Science
16 14 (15.91%) Apple iOS
16 14 (15.91%) OO
16 14 (15.91%) Computer Science Degree
17 12 (13.64%) Problem-Solving
17 12 (13.64%) SOLID
17 12 (13.64%) AngularJS

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 (2.27%) Apache Spark
1 2 (2.27%) Elasticsearch
1 2 (2.27%) nginx
Applications
1 2 (2.27%) Adobe Creative Suite
1 2 (2.27%) Adobe Illustrator
1 2 (2.27%) Adobe XD
1 2 (2.27%) Photoshop
Business Applications
1 1 (1.14%) Distributed Ledger
1 1 (1.14%) Oracle Receivables
Cloud Services
1 27 (30.68%) GCP
2 23 (26.14%) AWS
3 10 (11.36%) Azure
4 7 (7.95%) SaaS
5 5 (5.68%) AWS CloudFormation
6 3 (3.41%) GitHub
7 2 (2.27%) Amazon Alexa
7 2 (2.27%) Amazon EMR
7 2 (2.27%) Amazon S3
7 2 (2.27%) Heroku
8 1 (1.14%) Serverless
Communications & Networking
1 1 (1.14%) Network Security
Database & Business Intelligence
1 4 (4.55%) Blockchain
2 3 (3.41%) Big Data
2 3 (3.41%) PostgreSQL
2 3 (3.41%) Relational Database
3 2 (2.27%) Amazon Athena
3 2 (2.27%) Apache Hive
3 2 (2.27%) Electronic Patient Records
3 2 (2.27%) Hadoop
3 2 (2.27%) Presto
3 2 (2.27%) Redis
4 1 (1.14%) Data Lake
4 1 (1.14%) GIS
4 1 (1.14%) NoSQL
Development Applications
1 10 (11.36%) Git (software)
2 4 (4.55%) Jenkins
3 3 (3.41%) GitLab
4 2 (2.27%) Mockito
5 1 (1.14%) CircleCI
5 1 (1.14%) GoCD
5 1 (1.14%) Gradle
5 1 (1.14%) Maven
General
1 28 (31.82%) Social Skills
2 5 (5.68%) Finance
3 4 (4.55%) Presentation Skills
4 3 (3.41%) Banking
4 3 (3.41%) Wearables
5 2 (2.27%) Fire and Rescue
5 2 (2.27%) Local Government
5 2 (2.27%) Retail
6 1 (1.14%) Analytical Skills
6 1 (1.14%) Electronics
6 1 (1.14%) Manufacturing
6 1 (1.14%) Marketing
6 1 (1.14%) Public Sector
6 1 (1.14%) Telecoms
Job Titles
1 58 (65.91%) Developer
2 30 (34.09%) Android Developer
3 23 (26.14%) Software Engineer
4 14 (15.91%) Java Developer
5 11 (12.50%) Senior Software Engineer
6 9 (10.23%) Senior Developer
7 6 (6.82%) Mobile Developer
8 5 (5.68%) Full Stack Developer
9 3 (3.41%) Senior Android Developer
9 3 (3.41%) Senior Java Developer
9 3 (3.41%) Software Developer
10 2 (2.27%) .NET Developer
10 2 (2.27%) iOS Developer
10 2 (2.27%) Junior
10 2 (2.27%) Junior Developer
10 2 (2.27%) Junior Java Developer
10 2 (2.27%) Senior .NET Developer
10 2 (2.27%) Site Engineer
10 2 (2.27%) UX Developer
10 2 (2.27%) Web Developer
Libraries, Frameworks & Software Standards
1 30 (34.09%) React
2 25 (28.41%) Node.js
3 21 (23.86%) React Native
3 21 (23.86%) Redux
4 17 (19.32%) REST
5 12 (13.64%) AngularJS
6 9 (10.23%) Spring
6 9 (10.23%) Spring Boot
7 6 (6.82%) .NET
7 6 (6.82%) Web Services
8 5 (5.68%) HTML
8 5 (5.68%) JSON
9 4 (4.55%) CSS
10 3 (3.41%) Next.js
10 3 (3.41%) SOAP
10 3 (3.41%) Software Packaging
10 3 (3.41%) Unity (Game Engine)
10 3 (3.41%) XML
11 2 (2.27%) Android SDK
11 2 (2.27%) Dagger
Miscellaneous
1 42 (47.73%) Mobile App
2 7 (7.95%) iPad
3 4 (4.55%) Greenfield Project
4 2 (2.27%) Home Automation
4 2 (2.27%) Hybrid Cloud
4 2 (2.27%) NHS
4 2 (2.27%) User Experience
5 1 (1.14%) Analytical Mindset
5 1 (1.14%) Private Cloud
5 1 (1.14%) Video\Live Streaming
Operating Systems
1 35 (39.77%) Android
2 14 (15.91%) Apple iOS
3 7 (7.95%) Windows
4 6 (6.82%) Linux
Processes & Methodologies
1 47 (53.41%) Mobile Development
2 33 (37.50%) Android Development
3 30 (34.09%) Microservices
3 30 (34.09%) Software Engineering
4 28 (31.82%) Pair Programming
5 26 (29.55%) Agile Software Development
6 21 (23.86%) Mentoring
6 21 (23.86%) Software Delivery
7 19 (21.59%) IT Strategy
7 19 (21.59%) Mobile Application Development
8 14 (15.91%) Computer Science
8 14 (15.91%) OO
9 12 (13.64%) Problem-Solving
9 12 (13.64%) SOLID
10 9 (10.23%) DevOps
11 8 (9.09%) E-Commerce
11 8 (9.09%) Scrum
12 7 (7.95%) Continuous Integration
13 6 (6.82%) TDD
14 5 (5.68%) MVVM
Programming Languages
1 61 (69.32%) Java
2 37 (42.05%) JavaScript
3 11 (12.50%) Python
4 9 (10.23%) C#
5 8 (9.09%) Apple Swift
6 6 (6.82%) SQL
7 3 (3.41%) Bash Shell
7 3 (3.41%) TypeScript
8 2 (2.27%) C
8 2 (2.27%) C++
8 2 (2.27%) Clojure
8 2 (2.27%) ClojureScript
8 2 (2.27%) ES6
8 2 (2.27%) Lisp
8 2 (2.27%) Objective-C
8 2 (2.27%) Ruby
8 2 (2.27%) Scala
9 1 (1.14%) Go
9 1 (1.14%) PowerShell
Qualifications
1 17 (19.32%) Degree
2 14 (15.91%) Computer Science Degree
Quality Assurance & Compliance
1 2 (2.27%) QA
System Software
1 4 (4.55%) Docker
Systems Management
1 8 (9.09%) Kubernetes
2 6 (6.82%) Terraform
3 1 (1.14%) Ansible
Vendors
1 5 (5.68%) Google
2 4 (4.55%) Apple
3 2 (2.27%) Adobe
3 2 (2.27%) SAP
4 1 (1.14%) Oracle
4 1 (1.14%) Salesforce.com
4 1 (1.14%) Sun