Period
to 4 March 2021

The following table provides summary statistics for permanent job vacancies advertised in 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 4 March 2021 with a comparison to the same period in the previous 2 years.

JetBrains Kotlin
England > London
6 months to
4 Mar 2021
Same period 2020 Same period 2019
Rank 148 211 422
Rank change year-on-year +63 +211 +187
Permanent jobs citing Kotlin 648 852 414
As % of all permanent jobs advertised in London 2.29% 1.68% 0.66%
As % of the Programming Languages category 3.76% 3.00% 1.16%
Number of salaries quoted 642 734 338
Median annual salary £80,000 £80,000 £70,000
Median salary % change year-on-year - +14.29% +0.72%
10th Percentile £55,000 £55,000 £50,875
90th Percentile £128,750 £128,750 £103,750
England median annual salary £70,000 £72,500 £65,000
% change year-on-year -3.45% +11.54% -

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 London with a requirement for coding skills.

All Programming Languages
London
Permanent vacancies with a requirement for coding skills 17,213 28,363 35,667
As % of all permanent IT jobs advertised in London 60.70% 55.99% 57.14%
Number of salaries quoted 14,420 23,774 30,249
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 £40,000 £37,500
90th Percentile £105,000 £105,000 £95,000
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 London

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

Job vacancy trend for Kotlin in London

Kotlin
Salary Trend in London

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

Salary trend for Kotlin in London

Kotlin
Salary Histogram in London

Salary distribution for jobs citing Kotlin in London over the 6 months to 4 March 2021.

Salary histogram for Kotlin in London

Kotlin
Job Locations in London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Kotlin within the London region over the 6 months to 4 March 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
Central London +92 157 £75,000 +3.45% 74
East London - 13 £72,500 - 13
South London +32 3 £75,000 - 4
North London - 3 - -
West London +61 2 £81,250 +4.84% 16
Kotlin
England

For the 6 months to 4 March 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 London region with a requirement for Kotlin.

1 537 (82.87%) Java
2 329 (50.77%) Agile Software Development
3 264 (40.74%) JavaScript
4 236 (36.42%) React
5 234 (36.11%) Software Engineering
6 227 (35.03%) Python
7 220 (33.95%) AWS
8 215 (33.18%) Finance
9 191 (29.48%) TypeScript
10 188 (29.01%) TDD
11 186 (28.70%) Android
12 179 (27.62%) Microservices
13 168 (25.93%) Spring
14 160 (24.69%) AngularJS
15 156 (24.07%) Docker
15 156 (24.07%) Scala
16 145 (22.38%) SQL
16 145 (22.38%) Kafka
17 126 (19.44%) DevOps
18 123 (18.98%) Spring Boot
19 122 (18.83%) Foreign Exchange (FX)
20 121 (18.67%) Vue.js
20 121 (18.67%) Kubernetes
21 119 (18.36%) Node.js
22 118 (18.21%) Equities
23 113 (17.44%) Fixed Income
24 108 (16.67%) Derivative
25 107 (16.51%) Fintech
26 105 (16.20%) Asset Management
27 104 (16.05%) Web Services

Kotlin
Co-occurring IT Skills in 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 34 (5.25%) Apache
2 28 (4.32%) Elasticsearch
3 20 (3.09%) Apache Spark
4 8 (1.23%) Confluence
5 4 (0.62%) Apache Pulsar
5 4 (0.62%) nginx
6 3 (0.46%) Ethereum
7 1 (0.15%) Apache Airflow
7 1 (0.15%) CMS
Applications
1 16 (2.47%) InVision
1 16 (2.47%) Sketch
2 3 (0.46%) Figma
Business Applications
1 14 (2.16%) R3 Corda
2 5 (0.77%) Payment Gateway
3 4 (0.62%) Distributed Ledger
4 1 (0.15%) Dynamics NAV
4 1 (0.15%) Oracle Cash Management
4 1 (0.15%) Sentinel
Cloud Services
1 220 (33.95%) AWS
2 93 (14.35%) Amazon S3
3 90 (13.89%) Amazon EC2
3 90 (13.89%) Serverless
4 87 (13.43%) AWS Lambda
5 80 (12.35%) GCP
6 61 (9.41%) Azure
7 17 (2.62%) GitHub
8 10 (1.54%) Amazon SQS
9 8 (1.23%) BrowserStack
9 8 (1.23%) Firebase
9 8 (1.23%) Sauce Labs
10 7 (1.08%) SaaS
11 5 (0.77%) Amazon ECS
11 5 (0.77%) Amazon Kinesis
11 5 (0.77%) AWS CloudFormation
12 4 (0.62%) Amazon EKS
12 4 (0.62%) AWS OpsWorks
12 4 (0.62%) Bitrise
12 4 (0.62%) Google Play
Communications & Networking
1 3 (0.46%) HTTPS
2 2 (0.31%) Bluetooth
2 2 (0.31%) HTTP
2 2 (0.31%) MQTT
2 2 (0.31%) NFC
2 2 (0.31%) RFID
2 2 (0.31%) Wi-Fi
3 1 (0.15%) Internet
3 1 (0.15%) VoIP
Database & Business Intelligence
1 100 (15.43%) Amazon DynamoDB
2 82 (12.65%) NoSQL
3 62 (9.57%) MongoDB
4 58 (8.95%) PostgreSQL
5 33 (5.09%) Apache Ignite
6 27 (4.17%) Redis
7 21 (3.24%) Hadoop
8 20 (3.09%) Relational Database
9 16 (2.47%) Big Data
10 15 (2.31%) Apache Hive
11 12 (1.85%) MySQL
12 9 (1.39%) Couchbase
13 8 (1.23%) Apache Cassandra
13 8 (1.23%) Blockchain
13 8 (1.23%) Hazelcast
14 5 (0.77%) RDBMS
15 4 (0.62%) NewSQL
15 4 (0.62%) SQLite
16 2 (0.31%) SQL Server
17 1 (0.15%) Amazon RDS
Development Applications
1 67 (10.34%) Git (software)
2 39 (6.02%) Jenkins
3 35 (5.40%) Gradle
4 26 (4.01%) Selenium
5 24 (3.70%) JIRA
6 23 (3.55%) Cypress.io
7 20 (3.09%) Android Studio
8 18 (2.78%) Appium
9 16 (2.47%) Maven
9 16 (2.47%) PostCSS
10 13 (2.01%) Calabash
11 12 (1.85%) Cucumber
11 12 (1.85%) SonarQube
11 12 (1.85%) Xcode
12 10 (1.54%) IntelliJ
12 10 (1.54%) JUnit
13 8 (1.23%) Jasmine
14 7 (1.08%) CircleCI
14 7 (1.08%) GitLab
15 6 (0.93%) Mockito
General
1 215 (33.18%) Finance
2 103 (15.90%) Front Office
3 67 (10.34%) Banking
4 29 (4.48%) Investment Banking
5 24 (3.70%) Retail
6 12 (1.85%) Publishing
7 8 (1.23%) Electronics
7 8 (1.23%) Marketing
8 7 (1.08%) Automotive
8 7 (1.08%) French Language
9 6 (0.93%) Retail Banking
10 5 (0.77%) Financial Institution
10 5 (0.77%) Games
11 4 (0.62%) Law
12 3 (0.46%) Advertising
13 1 (0.15%) Pharmaceutical
13 1 (0.15%) Public Sector
Job Titles
1 459 (70.83%) Developer
2 134 (20.68%) Java Developer
3 131 (20.22%) Software Engineer
4 97 (14.97%) Developer/Software Engineer
5 92 (14.20%) Senior Developer
6 87 (13.43%) Python Developer
7 86 (13.27%) Python Engineer
8 84 (12.96%) Python Software Engineer
9 76 (11.73%) React Developer
10 73 (11.27%) Full Stack Developer
11 70 (10.80%) Android Developer
12 59 (9.10%) JavaScript Developer
13 57 (8.80%) JavaScript Engineer
14 41 (6.33%) Android Engineer
15 39 (6.02%) Lead Developer
16 37 (5.71%) Java Engineer
17 26 (4.01%) Backend Developer
18 25 (3.86%) Software Developer
19 24 (3.70%) Senior Android Developer
20 21 (3.24%) Senior Java Developer
Libraries, Frameworks & Software Standards
1 236 (36.42%) React
2 168 (25.93%) Spring
3 160 (24.69%) AngularJS
4 145 (22.38%) Kafka
5 123 (18.98%) Spring Boot
6 121 (18.67%) Vue.js
7 119 (18.36%) Node.js
8 104 (16.05%) Web Services
9 73 (11.27%) HTML
10 63 (9.72%) React Native
11 60 (9.26%) CSS
12 41 (6.33%) GraphQL
13 39 (6.02%) REST
14 37 (5.71%) RESTful
15 35 (5.40%) Spring Cloud
16 33 (5.09%) HTML5
17 30 (4.63%) RxJava
18 23 (3.55%) Sass
19 21 (3.24%) CSS3
19 21 (3.24%) Redux
Miscellaneous
1 122 (18.83%) Foreign Exchange (FX)
2 118 (18.21%) Equities
3 113 (17.44%) Fixed Income
4 108 (16.67%) Derivative
5 101 (15.59%) Hedge funds
6 96 (14.81%) Mobile App
7 44 (6.79%) User Experience
8 35 (5.40%) Greenfield Project
9 30 (4.63%) Virtual Team
10 18 (2.78%) Analytical Skills
10 18 (2.78%) Credit Risk
11 17 (2.62%) Self-Motivation
12 15 (2.31%) iPad
13 11 (1.70%) Algorithms
14 10 (1.54%) Data Structures
15 8 (1.23%) Blog
15 8 (1.23%) Mobile Banking
15 8 (1.23%) Video\Live Streaming
16 5 (0.77%) GPGPU
16 5 (0.77%) NHS
Operating Systems
1 186 (28.70%) Android
2 95 (14.66%) Apple iOS
3 27 (4.17%) Unix
4 23 (3.55%) Linux
Processes & Methodologies
1 329 (50.77%) Agile Software Development
2 234 (36.11%) Software Engineering
3 188 (29.01%) TDD
4 179 (27.62%) Microservices
5 126 (19.44%) DevOps
6 107 (16.51%) Fintech
7 105 (16.20%) Asset Management
8 104 (16.05%) Android Development
9 76 (11.73%) Test Automation
10 58 (8.95%) Continuous Integration
11 55 (8.49%) Computer Science
12 52 (8.02%) Mobile Development
13 50 (7.72%) Scrum
14 45 (6.94%) Mentoring
15 44 (6.79%) Pair Programming
16 41 (6.33%) OOD
17 40 (6.17%) BDD
18 39 (6.02%) Continuous Delivery
19 37 (5.71%) OO
20 35 (5.40%) Coaching
Programming Languages
1 537 (82.87%) Java
2 264 (40.74%) JavaScript
3 227 (35.03%) Python
4 191 (29.48%) TypeScript
5 156 (24.07%) Scala
6 145 (22.38%) SQL
7 70 (10.80%) Clojure
8 68 (10.49%) Apple Swift
9 65 (10.03%) C#
10 58 (8.95%) C++
11 55 (8.49%) Java 8
12 36 (5.56%) ES6
13 28 (4.32%) PHP
13 28 (4.32%) Ruby
14 25 (3.86%) Objective-C
15 24 (3.70%) Go
16 22 (3.40%) Erlang
17 19 (2.93%) C
18 18 (2.78%) Elixir
19 17 (2.62%) Rust
Qualifications
1 66 (10.19%) Degree
2 44 (6.79%) Computer Science Degree
3 16 (2.47%) SANS
4 7 (1.08%) Master's Degree
5 4 (0.62%) DBS Check
6 3 (0.46%) TOGAF Certification
7 1 (0.15%) MBA
Quality Assurance & Compliance
1 60 (9.26%) QA
2 16 (2.47%) WCAG
3 2 (0.31%) NIST
4 1 (0.15%) Data Quality
4 1 (0.15%) ISO 20022
4 1 (0.15%) PSD2
4 1 (0.15%) TARGET2
System Software
1 156 (24.07%) Docker
2 2 (0.31%) Active Directory
Systems Management
1 121 (18.67%) Kubernetes
2 58 (8.95%) Terraform
3 4 (0.62%) Grafana
3 4 (0.62%) Kibana
4 3 (0.46%) Ansible
4 3 (0.46%) Pingdom
4 3 (0.46%) Prometheus
4 3 (0.46%) Zipkin
5 1 (0.15%) Opscode Chef
5 1 (0.15%) Puppet
Vendors
1 40 (6.17%) Google
2 12 (1.85%) Oracle
3 9 (1.39%) Solace
4 5 (0.77%) Microsoft
4 5 (0.77%) Xamarin
5 4 (0.62%) Apple
6 3 (0.46%) PagerDuty
7 2 (0.31%) Caplin
7 2 (0.31%) Elastic Path
7 2 (0.31%) Facebook