Period
to 12 August 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 12 August 2020 with a comparison to the same period in the previous 2 years.

JetBrains Kotlin
Central London > City of London
6 months to
12 Aug 2020
Same period 2019 Same period 2018
Rank 120 208 270
Rank change year-on-year +88 +62 +46
Permanent jobs citing Kotlin 106 119 75
As % of all permanent jobs advertised in the City of London 2.15% 1.17% 0.69%
As % of the Programming Languages category 3.73% 1.94% 1.13%
Number of salaries quoted 153 118 73
Median annual salary £75,000 £73,750 £85,000
Median salary % change year-on-year +1.69% -13.24% +25.93%
10th Percentile £42,500 £43,750 £51,000
90th Percentile £93,750 £97,500 £113,750
Central London median annual salary £75,000 £70,000 £77,500
% change year-on-year +7.14% -9.68% +10.71%

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 2,845 6,136 6,658
As % of all permanent IT jobs advertised in the City of London 57.81% 60.49% 61.08%
Number of salaries quoted 2,508 5,468 6,043
Median annual salary £70,000 £67,500 £65,000
Median salary % change year-on-year +3.70% +3.85% +8.33%
10th Percentile £43,750 £42,500 £40,050
90th Percentile £105,000 £96,250 £93,750
Central London median annual salary £70,000 £67,500 £62,501
% change year-on-year +3.70% +8.00% +4.17%

Kotlin
Job Vacancy Trend in the City of London

Job postings citing Kotlin as a proportion 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

3-month moving average salary quoted in 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

Salary distribution for jobs citing Kotlin in the City of London over the 6 months to 12 August 2020.

Salary histogram for Kotlin in the City of London

For the 6 months to 12 August 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 79 (74.53%) Java
2 44 (41.51%) Agile Software Development
3 40 (37.74%) TDD
4 31 (29.25%) Scala
5 30 (28.30%) Microservices
6 29 (27.36%) Docker
7 26 (24.53%) Android
8 24 (22.64%) Java 8
9 22 (20.75%) Android Development
10 21 (19.81%) NoSQL
10 21 (19.81%) Finance
10 21 (19.81%) Greenfield Project
11 20 (18.87%) Mobile Development
11 20 (18.87%) AWS
11 20 (18.87%) Kubernetes
12 19 (17.92%) Mobile App
12 19 (17.92%) JavaScript
13 18 (16.98%) Insurtech
14 17 (16.04%) Python
14 17 (16.04%) Banking
15 15 (14.15%) Artificial Intelligence
15 15 (14.15%) Open Source
15 15 (14.15%) DevOps
15 15 (14.15%) Problem-Solving
16 14 (13.21%) MongoDB
16 14 (13.21%) Scrum
17 13 (12.26%) Degree
17 13 (12.26%) Mentoring
18 12 (11.32%) Analytical Skills
18 12 (11.32%) Azure

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 9 (8.49%) Apache Spark
2 6 (5.66%) Elasticsearch
Cloud Services
1 20 (18.87%) AWS
2 12 (11.32%) Azure
3 11 (10.38%) GCP
4 7 (6.60%) GitHub
Communications & Networking
1 1 (0.94%) HTTP
1 1 (0.94%) Internet
Database & Business Intelligence
1 21 (19.81%) NoSQL
2 14 (13.21%) MongoDB
3 10 (9.43%) Apache Cassandra
4 9 (8.49%) Hadoop
5 8 (7.55%) Amazon DynamoDB
6 7 (6.60%) Apache Hive
6 7 (6.60%) Big Data
7 4 (3.77%) PostgreSQL
8 2 (1.89%) Scylla
Development Applications
1 10 (9.43%) Jenkins
2 9 (8.49%) Git (software)
3 6 (5.66%) Gradle
3 6 (5.66%) IntelliJ
3 6 (5.66%) Maven
4 1 (0.94%) Atlassian Bamboo
4 1 (0.94%) FindBugs
4 1 (0.94%) JIRA
General
1 21 (19.81%) Finance
2 17 (16.04%) Banking
3 12 (11.32%) Investment Banking
4 10 (9.43%) Games
5 4 (3.77%) Retail Banking
6 1 (0.94%) Advertising
6 1 (0.94%) Front Office
6 1 (0.94%) Law
Job Titles
1 92 (86.79%) Developer
2 52 (49.06%) Java Developer
3 19 (17.92%) Android Developer
3 19 (17.92%) Mobile Developer
4 9 (8.49%) Scala Developer
5 7 (6.60%) Senior Developer
6 5 (4.72%) AWS Developer
6 5 (4.72%) Junior
6 5 (4.72%) Junior Developer
7 4 (3.77%) Chief Technology Officer
7 4 (3.77%) Java Scala Developer
7 4 (3.77%) Junior Java Developer
7 4 (3.77%) Lead Developer
7 4 (3.77%) Senior Java Developer
8 3 (2.83%) Android Engineer
8 3 (2.83%) Backend Developer
8 3 (2.83%) Full Stack Developer
8 3 (2.83%) Senior Backend Developer
8 3 (2.83%) Senior Software Developer
8 3 (2.83%) Software Developer
Libraries, Frameworks & Software Standards
1 11 (10.38%) Kafka
1 11 (10.38%) Node.js
2 7 (6.60%) React
2 7 (6.60%) RESTful
3 6 (5.66%) CSS
3 6 (5.66%) HTML
3 6 (5.66%) Vert.x
4 5 (4.72%) AngularJS
4 5 (4.72%) HTML5
5 4 (3.77%) Android SDK
5 4 (3.77%) iOS SDK
5 4 (3.77%) React Native
5 4 (3.77%) Spring
6 3 (2.83%) Flutter
6 3 (2.83%) Redux
7 2 (1.89%) Apache Flex
7 2 (1.89%) NativeScript
7 2 (1.89%) RabbitMQ
7 2 (1.89%) RxSwift
7 2 (1.89%) Web Services
Miscellaneous
1 21 (19.81%) Greenfield Project
2 19 (17.92%) Mobile App
3 12 (11.32%) Analytical Skills
4 10 (9.43%) Self-Motivation
5 8 (7.55%) Video\Live Streaming
6 4 (3.77%) Mobile Banking
7 3 (2.83%) Renewable Energy
8 2 (1.89%) Algorithms
8 2 (1.89%) Cloud Native
8 2 (1.89%) User Experience
9 1 (0.94%) Data Structures
9 1 (0.94%) Equities
9 1 (0.94%) Fixed Income
9 1 (0.94%) Foreign Exchange (FX)
9 1 (0.94%) Grid Computing
9 1 (0.94%) Handset
Operating Systems
1 26 (24.53%) Android
2 7 (6.60%) Apple iOS
Processes & Methodologies
1 44 (41.51%) Agile Software Development
2 40 (37.74%) TDD
3 30 (28.30%) Microservices
4 22 (20.75%) Android Development
5 20 (18.87%) Mobile Development
6 18 (16.98%) Insurtech
7 15 (14.15%) Artificial Intelligence
7 15 (14.15%) DevOps
7 15 (14.15%) Open Source
7 15 (14.15%) Problem-Solving
8 14 (13.21%) Scrum
9 13 (12.26%) Mentoring
10 10 (9.43%) Critical Thinking
10 10 (9.43%) Issue Tracking
10 10 (9.43%) Kanban
10 10 (9.43%) Prototyping
10 10 (9.43%) Time Management
11 9 (8.49%) Computer Science
11 9 (8.49%) Continuous Integration
12 8 (7.55%) Continuous Delivery
Programming Languages
1 79 (74.53%) Java
2 31 (29.25%) Scala
3 24 (22.64%) Java 8
4 19 (17.92%) JavaScript
5 17 (16.04%) Python
6 11 (10.38%) ES6
7 8 (7.55%) C#
8 7 (6.60%) PHP
8 7 (6.60%) SQL
9 6 (5.66%) Go
9 6 (5.66%) TypeScript
10 4 (3.77%) Apple Swift
11 2 (1.89%) C
11 2 (1.89%) Clojure
11 2 (1.89%) Objective-C
12 1 (0.94%) C++
12 1 (0.94%) Haskell
12 1 (0.94%) Ruby
Qualifications
1 13 (12.26%) Degree
2 9 (8.49%) Computer Science Degree
System Software
1 29 (27.36%) Docker
Systems Management
1 20 (18.87%) Kubernetes
2 8 (7.55%) Terraform
3 6 (5.66%) Kibana
3 6 (5.66%) Pingdom
4 2 (1.89%) Prometheus
Vendors
1 1 (0.94%) Google
1 1 (0.94%) Xamarin
1 1 (0.94%) YouTube