Period
to 24 January 2020

The following table provides summary statistics for permanent job vacancies advertised in the City of 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 24 January 2020 with a comparison to the same period in the previous 2 years.

JetBrains Kotlin
Central London > City of London
6 months to
24 Jan 2020
Same period 2019 Same period 2018
Rank 164 285 307
Rank change year-on-year +121 +22 +33
Permanent jobs citing Kotlin 156 44 29
As % of all permanent IT jobs advertised in the City of London 1.70% 0.43% 0.28%
As % of the Programming Languages category 2.98% 0.68% 0.48%
Number of salaries quoted 140 42 28
City of London median annual salary £70,000 £77,500 £75,000
Median salary % change year-on-year -9.68% +3.33% +25.00%
10th Percentile £47,250 £57,225 £48,750
90th Percentile £102,875 £97,250 £101,250
Central London median annual salary £70,000 £75,000 £70,000
% change year-on-year -6.67% +7.14% +16.67%

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 City of London with a requirement for coding skills.

All Programming Languages
City of London
Permanent vacancies with a requirement for coding skills 5,241 6,485 6,102
As % of all permanent IT jobs advertised in the City of London 57.23% 62.78% 57.94%
Number of salaries quoted 4,592 5,885 5,487
City of London median annual salary £70,000 £65,000 £62,500
Median salary % change year-on-year +7.69% +4.00% +4.17%
10th Percentile £43,750 £40,350 £40,000
90th Percentile £102,500 £96,250 £95,000
Central London median annual salary £70,000 £65,000 £60,000
% change year-on-year +7.69% +8.33% +4.35%

Kotlin
Job Vacancy Trend in the City of London

Job postings citing Kotlin as a percentage of all IT jobs advertised in the City of London.

Job vacancy trend for Kotlin in the City of London

Kotlin
Salary Trend in the City of London

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing Kotlin in the City of London.

Salary trend for Kotlin in the City of London

Kotlin
Salary Histogram in the City of London

The salary distribution of IT jobs citing Kotlin in the City of London over the 6 months to 24 January 2020.

Salary histogram for Kotlin in the City of London

Kotlin
Job Locations in the City of London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Kotlin within the City of London region over the 6 months to 24 January 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
London Bridge - 1 £55,000 -
Kotlin
Central London

For the 6 months to 24 January 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 City of London region with a requirement for Kotlin.

1 128 (82.05%) Java
2 79 (50.64%) Agile Software Development
3 72 (46.15%) Android
4 71 (45.51%) TDD
5 57 (36.54%) Android Development
6 47 (30.13%) Finance
7 46 (29.49%) Fintech
8 43 (27.56%) Microservices
9 41 (26.28%) Docker
10 40 (25.64%) Python
11 36 (23.08%) JavaScript
11 36 (23.08%) Kubernetes
12 33 (21.15%) AWS
13 31 (19.87%) Mobile App
14 30 (19.23%) Software Engineering
15 29 (18.59%) Continuous Integration
16 28 (17.95%) Git (software)
17 26 (16.67%) DevOps
18 25 (16.03%) Scala
18 25 (16.03%) C#
19 24 (15.38%) OO
19 24 (15.38%) Pair Programming
19 24 (15.38%) Open Source
19 24 (15.38%) BDD
20 23 (14.74%) React
20 23 (14.74%) Computer Science
21 22 (14.10%) Banking
21 22 (14.10%) Artificial Intelligence
21 22 (14.10%) RESTful
21 22 (14.10%) Java 8

Kotlin
Co-occurring IT Skills in the City of 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 19 (12.18%) Apache Spark
2 5 (3.21%) Confluence
3 2 (1.28%) WordPress
Business Applications
1 4 (2.56%) Payment Gateway
2 2 (1.28%) Distributed Ledger
3 1 (0.64%) R3 Corda
Cloud Services
1 33 (21.15%) AWS
2 19 (12.18%) Azure
3 11 (7.05%) Firebase
4 5 (3.21%) Google Play
5 4 (2.56%) GCP
6 3 (1.92%) GitHub
7 2 (1.28%) Amazon EKS
7 2 (1.28%) SaaS
8 1 (0.64%) Amazon S3
8 1 (0.64%) AWS Lambda
8 1 (0.64%) CloudFront
8 1 (0.64%) Google Analytics
8 1 (0.64%) Serverless
Communications & Networking
1 5 (3.21%) HTTP
2 2 (1.28%) Internet
3 1 (0.64%) HTTPS
Database & Business Intelligence
1 21 (13.46%) NoSQL
2 19 (12.18%) Big Data
2 19 (12.18%) Hadoop
3 18 (11.54%) Apache Hive
4 9 (5.77%) PostgreSQL
5 7 (4.49%) Apache Cassandra
6 5 (3.21%) MongoDB
6 5 (3.21%) MySQL
6 5 (3.21%) Relational Database
7 3 (1.92%) Amazon DynamoDB
7 3 (1.92%) Blockchain
Development Applications
1 28 (17.95%) Git (software)
2 14 (8.97%) Bitbucket
3 10 (6.41%) Crashlytics
4 9 (5.77%) Jenkins
5 8 (5.13%) Android Studio
5 8 (5.13%) CircleCI
6 5 (3.21%) JIRA
6 5 (3.21%) JUnit
6 5 (3.21%) Mockito
7 3 (1.92%) Appium
7 3 (1.92%) Gradle
7 3 (1.92%) Maven
8 2 (1.28%) Calabash
8 2 (1.28%) Cucumber
8 2 (1.28%) DbUnit
8 2 (1.28%) Flyway
8 2 (1.28%) GitLab
8 2 (1.28%) jMock
8 2 (1.28%) SonarQube
8 2 (1.28%) Xcode
General
1 47 (30.13%) Finance
2 22 (14.10%) Banking
3 9 (5.77%) Retail
4 3 (1.92%) Financial Institution
4 3 (1.92%) Games
4 3 (1.92%) Law
5 2 (1.28%) Retail Banking
5 2 (1.28%) Telecoms
6 1 (0.64%) Advertising
6 1 (0.64%) Front Office
6 1 (0.64%) Investment Banking
6 1 (0.64%) Multimedia
6 1 (0.64%) Publishing
Job Titles
1 121 (77.56%) Developer
2 51 (32.69%) Android Developer
3 43 (27.56%) Java Developer
4 23 (14.74%) Senior Developer
5 16 (10.26%) Software Engineer
6 13 (8.33%) Full Stack Developer
7 12 (7.69%) Senior Software Engineer
8 9 (5.77%) Backend Developer
9 8 (5.13%) Lead Developer
10 7 (4.49%) Android Engineer
10 7 (4.49%) Mobile Developer
10 7 (4.49%) Senior Java Developer
11 6 (3.85%) AWS Engineer
11 6 (3.85%) Python Engineer
11 6 (3.85%) Scala Developer
11 6 (3.85%) Senior Android Developer
12 5 (3.21%) Python Developer
12 5 (3.21%) Python Software Engineer
12 5 (3.21%) Senior Python Developer
12 5 (3.21%) Senior Software Developer
Libraries, Frameworks & Software Standards
1 23 (14.74%) React
2 22 (14.10%) RESTful
3 21 (13.46%) Node.js
4 20 (12.82%) AngularJS
5 17 (10.90%) CSS
5 17 (10.90%) HTML
6 16 (10.26%) HTML5
6 16 (10.26%) Spring
7 15 (9.62%) REST
8 11 (7.05%) .NET
8 11 (7.05%) RxJava
9 10 (6.41%) React Native
10 9 (5.77%) GraphQL
11 8 (5.13%) Dagger
12 7 (4.49%) Redux
13 6 (3.85%) Kafka
14 5 (3.21%) RabbitMQ
14 5 (3.21%) Retrofit
14 5 (3.21%) WebSockets
15 3 (1.92%) Hibernate
Miscellaneous
1 31 (19.87%) Mobile App
2 10 (6.41%) Greenfield Project
3 6 (3.85%) User Experience
4 5 (3.21%) Cloud Native
5 3 (1.92%) Algorithms
5 3 (1.92%) Analytical Skills
5 3 (1.92%) Data Structures
5 3 (1.92%) Enterprise Software
5 3 (1.92%) Mobile Banking
5 3 (1.92%) Self-Motivation
5 3 (1.92%) Video on Demand
6 1 (0.64%) Equities
6 1 (0.64%) Handset
6 1 (0.64%) Management Information System
6 1 (0.64%) Mobile Payment
6 1 (0.64%) PKI
6 1 (0.64%) Robotics
6 1 (0.64%) Social Gaming
6 1 (0.64%) Social Media
Operating Systems
1 72 (46.15%) Android
2 19 (12.18%) Apple iOS
3 6 (3.85%) Linux
4 2 (1.28%) Unix
Processes & Methodologies
1 79 (50.64%) Agile Software Development
2 71 (45.51%) TDD
3 57 (36.54%) Android Development
4 46 (29.49%) Fintech
5 43 (27.56%) Microservices
6 30 (19.23%) Software Engineering
7 29 (18.59%) Continuous Integration
8 26 (16.67%) DevOps
9 24 (15.38%) BDD
9 24 (15.38%) OO
9 24 (15.38%) Open Source
9 24 (15.38%) Pair Programming
10 23 (14.74%) Computer Science
11 22 (14.10%) Artificial Intelligence
12 18 (11.54%) Project Delivery
13 12 (7.69%) Mobile Development
13 12 (7.69%) Test Automation
14 11 (7.05%) Scrum
15 10 (6.41%) Continuous Delivery
15 10 (6.41%) SOLID
Programming Languages
1 128 (82.05%) Java
2 40 (25.64%) Python
3 36 (23.08%) JavaScript
4 25 (16.03%) C#
4 25 (16.03%) Scala
5 22 (14.10%) Java 8
6 21 (13.46%) SQL
7 18 (11.54%) PHP
8 17 (10.90%) TypeScript
9 14 (8.97%) ES6
10 8 (5.13%) Go
11 7 (4.49%) Apple Swift
11 7 (4.49%) C++
12 5 (3.21%) Ruby
13 2 (1.28%) Clojure
13 2 (1.28%) Shell Script
14 1 (0.64%) C
14 1 (0.64%) ClojureScript
14 1 (0.64%) Groovy
14 1 (0.64%) Objective-C
Qualifications
1 21 (13.46%) Degree
2 18 (11.54%) Computer Science Degree
3 2 (1.28%) CISSP
3 2 (1.28%) MCSE
3 2 (1.28%) Microsoft Certification
Quality Assurance & Compliance
1 3 (1.92%) QA
System Software
1 41 (26.28%) Docker
Systems Management
1 36 (23.08%) Kubernetes
2 7 (4.49%) Terraform
3 5 (3.21%) Ansible
4 3 (1.92%) Prometheus
5 2 (1.28%) Grafana
5 2 (1.28%) Kibana
6 1 (0.64%) Consul
Vendors
1 9 (5.77%) Google
2 3 (1.92%) Microsoft
3 2 (1.28%) IBM
3 2 (1.28%) Solace
4 1 (0.64%) Facebook
4 1 (0.64%) Twitter
4 1 (0.64%) YouTube