JetBrains Kotlin
UK

The following table provides summary statistics for contract job vacancies with a requirement for Kotlin skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Kotlin over the 6 months to 7 May 2024 with a comparison to the same period in the previous 2 years.

6 months to
7 May 2024
Same period 2023 Same period 2022
Rank 378 410 430
Rank change year-on-year +32 +20 -181
Contract jobs citing Kotlin 211 306 500
As % of all contract jobs advertised in the UK 0.49% 0.53% 0.57%
As % of the Programming Languages category 1.67% 1.51% 1.57%
Number of daily rates quoted 153 233 389
10th Percentile £350 £463 £462
25th Percentile £413 £503 £506
Median daily rate (50th Percentile) £495 £585 £588
Median % change year-on-year -15.38% -0.43% +11.90%
75th Percentile £600 £675 £681
90th Percentile £700 £750 £734
UK excluding London median daily rate £438 £550 £525
% change year-on-year -20.45% +4.76% +10.53%
Number of hourly rates quoted 3 4 6
10th Percentile £48.10 - £46.87
25th Percentile £59.13 £35.00 £53.93
Median hourly rate £80.00 £42.53 £71.45
Median % change year-on-year +88.12% -40.48% +11.64%
75th Percentile £81.75 £57.54 £75.17
90th Percentile £82.20 £71.02 £75.62
UK excluding London median hourly rate £80.50 £65.03 £47.37
% change year-on-year +23.80% +37.27% -

All Programming Languages
UK

Kotlin is in the Programming Languages category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies with a requirement for coding skills.

Contract vacancies with a requirement for coding skills 12,657 20,243 31,905
As % of all contract IT jobs advertised in the UK 29.55% 34.85% 36.27%
Number of daily rates quoted 9,005 14,597 23,243
10th Percentile £350 £394 £385
25th Percentile £425 £463 £455
Median daily rate (50th Percentile) £530 £550 £550
Median % change year-on-year -3.64% - +10.00%
75th Percentile £650 £675 £650
90th Percentile £763 £775 £750
UK excluding London median daily rate £490 £500 £488
% change year-on-year -2.10% +2.56% +14.71%
Number of hourly rates quoted 485 460 505
10th Percentile £32.25 £26.12 £19.52
25th Percentile £46.25 £50.00 £35.00
Median hourly rate £62.00 £60.63 £50.00
Median % change year-on-year +2.27% +21.25% +14.94%
75th Percentile £70.00 £70.00 £60.00
90th Percentile £79.67 £78.00 £69.05
UK excluding London median hourly rate £62.50 £60.94 £49.75
% change year-on-year +2.56% +22.49% +19.88%

Kotlin
Job Vacancy Trend

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

Job vacancy trend for Kotlin in the UK

Kotlin
Contractor Daily Rate Trend

3-month moving average daily rate quoted in jobs citing Kotlin.

Daily rate trend for Kotlin in the UK

Kotlin
Daily Rate Histogram

Daily rate distribution for jobs citing Kotlin over the 6 months to 7 May 2024.

Daily rate histogram for Kotlin in the UK

Kotlin
Contractor Hourly Rate Trend

3-month moving average hourly rates quoted in jobs citing Kotlin.

Hourly rate trend for Kotlin in the UK

Kotlin
Hourly Rate Histogram

Hourly rate distribution of jobs citing Kotlin over the 6 months to 7 May 2024.

Hourly rate histogram for Kotlin in the UK

Kotlin
Top 12 Contract Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Kotlin within the UK over the 6 months to 7 May 2024. 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
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Jobs
England +15 182 £495 -16.28% 136
London -3 118 £525 -11.39% 94
UK excluding London +95 70 £438 -20.45% 54
Work from Home +43 65 £525 -12.50% 84
North of England +48 40 £438 -32.69% 11
North West +44 26 £475 -24.00% 4
Yorkshire +28 14 £300 -56.36% 4
Scotland - 14 £400 - 11
South East +20 10 £425 -19.05% 11
Midlands +27 3 £450 -35.71% 3
West Midlands +22 3 £450 -35.71% 2
South West +7 3 £600 +14.29% 10

Kotlin
Co-occurring Skills and Capabilities by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same employment type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 7 (3.32%) Apache Spark
2 2 (0.95%) nginx
3 1 (0.47%) Cloud Foundry
3 1 (0.47%) Confluence
Business Applications
1 1 (0.47%) R3 Corda
1 1 (0.47%) SAP Hybris
Cloud Services
1 44 (20.85%) AWS
2 32 (15.17%) GitHub
3 21 (9.95%) GCP
4 20 (9.48%) Azure
5 8 (3.79%) GitHub Actions
6 5 (2.37%) Amazon SQS
6 5 (2.37%) Firebase
6 5 (2.37%) Serverless
7 4 (1.90%) Datadog
7 4 (1.90%) Flurry Analytics
7 4 (1.90%) PubNub
8 3 (1.42%) AWS CloudFormation
8 3 (1.42%) AWS Lambda
9 2 (0.95%) Amazon CloudWatch
9 2 (0.95%) Amazon Kinesis
9 2 (0.95%) npm
9 2 (0.95%) Sentry
9 2 (0.95%) Yarn
10 1 (0.47%) Amazon EventBridge
10 1 (0.47%) AWS IoT
Communications & Networking
1 4 (1.90%) SSL
2 2 (0.95%) AMQP
2 2 (0.95%) HTTP
3 1 (0.47%) Bluetooth
Database & Business Intelligence
1 10 (4.74%) Relational Database
2 6 (2.84%) SQLite
3 4 (1.90%) Mixpanel
4 3 (1.42%) DynamoDB
4 3 (1.42%) MongoDB
5 1 (0.47%) Big Data
5 1 (0.47%) Data Warehouse
5 1 (0.47%) MariaDB
5 1 (0.47%) MySQL
5 1 (0.47%) NoSQL
5 1 (0.47%) PostgreSQL
5 1 (0.47%) Redis
5 1 (0.47%) Scylla
Development Applications
1 28 (13.27%) Jenkins
2 24 (11.37%) Android Studio
3 21 (9.95%) Gradle
4 20 (9.48%) Postman
5 15 (7.11%) Git
6 14 (6.64%) Selenium
7 13 (6.16%) Cypress.io
7 13 (6.16%) JUnit
8 12 (5.69%) Appium
9 7 (3.32%) CircleCI
9 7 (3.32%) Mockito
10 5 (2.37%) JIRA
11 4 (1.90%) Cucumber
11 4 (1.90%) SonarQube
12 3 (1.42%) Bitbucket
12 3 (1.42%) IntelliJ
12 3 (1.42%) Katalon Studio
12 3 (1.42%) XCUITest
13 2 (0.95%) Maven
13 2 (0.95%) UI Automator
General
1 44 (20.85%) Social Skills
2 29 (13.74%) Finance
3 17 (8.06%) Banking
4 15 (7.11%) Front Office
5 14 (6.64%) Back Office
6 9 (4.27%) Public Sector
7 4 (1.90%) Analytical Skills
8 3 (1.42%) Electronics
8 3 (1.42%) Investment Banking
9 2 (0.95%) Retail Banking
10 1 (0.47%) Marketing
10 1 (0.47%) Publishing
10 1 (0.47%) Retail
10 1 (0.47%) Telecoms
Job Titles
1 131 (62.09%) Developer
2 62 (29.38%) Android Developer
3 46 (21.80%) Senior
4 22 (10.43%) Senior Developer
5 21 (9.95%) Java Developer
6 20 (9.48%) Android Engineer
6 20 (9.48%) Full Stack Developer
6 20 (9.48%) React Developer
7 16 (7.58%) Software Engineer
8 14 (6.64%) Full Stack Engineer
9 12 (5.69%) Analyst
9 12 (5.69%) Test Analyst
10 11 (5.21%) Senior Android Developer
11 10 (4.74%) Backend Developer
11 10 (4.74%) Full Stack Software Engineer
11 10 (4.74%) Senior Analyst
11 10 (4.74%) Senior Test Analyst
12 9 (4.27%) Developer/Software Engineer
12 9 (4.27%) Java Engineer
13 6 (2.84%) Mobile Developer
Libraries, Frameworks & Software Standards
1 35 (16.59%) React
2 34 (16.11%) RESTful
3 29 (13.74%) Node.js
4 27 (12.80%) REST
5 19 (9.00%) Android Jetpack
5 19 (9.00%) Jetpack Compose
6 18 (8.53%) Spring
7 16 (7.58%) React Native
8 14 (6.64%) GraphQL
9 13 (6.16%) Spring Boot
10 12 (5.69%) Kafka
10 12 (5.69%) Redux
10 12 (5.69%) RxJava
11 10 (4.74%) Jest
12 9 (4.27%) Dagger
12 9 (4.27%) Material-UI
13 8 (3.79%) Android SDK
13 8 (3.79%) Electron
13 8 (3.79%) RAML
14 7 (3.32%) CSS3
Miscellaneous
1 63 (29.86%) Mobile App
2 15 (7.11%) Data Structures
3 13 (6.16%) Distributed Systems
4 11 (5.21%) Product Ownership
5 10 (4.74%) Algorithms
5 10 (4.74%) Greenfield Project
6 9 (4.27%) Fixed Income
7 8 (3.79%) Legacy Code
8 4 (1.90%) Virtual Team
9 3 (1.42%) Legacy Systems
9 3 (1.42%) Mobile Banking
10 2 (0.95%) Analytical Mindset
10 2 (0.95%) Animation
10 2 (0.95%) Augmented Reality
10 2 (0.95%) Distributed Architecture
10 2 (0.95%) Mixed Reality
10 2 (0.95%) Social Media
11 1 (0.47%) Blockchain
11 1 (0.47%) Marketing Technology
11 1 (0.47%) Smart Home
Operating Systems
1 122 (57.82%) Android
2 21 (9.95%) Apple iOS
3 2 (0.95%) Windows
3 2 (0.95%) Windows Server
4 1 (0.47%) Linux
Processes & Methodologies
1 70 (33.18%) Android Development
2 68 (32.23%) Agile
3 51 (24.17%) CI/CD
4 43 (20.38%) Test Automation
5 40 (18.96%) Continuous Integration
6 39 (18.48%) Software Engineering
7 29 (13.74%) Full Stack Development
8 28 (13.27%) SDLC
9 26 (12.32%) MVVM
10 25 (11.85%) Unit Testing
11 24 (11.37%) User Experience
12 22 (10.43%) TDD
13 21 (9.95%) Microservices
14 19 (9.00%) DevOps
14 19 (9.00%) Fintech
14 19 (9.00%) Mobile Development
15 18 (8.53%) Computer Science
16 16 (7.58%) Problem-Solving
17 15 (7.11%) Architectural Patterns
17 15 (7.11%) Software Testing
Programming Languages
1 116 (54.98%) Java
2 37 (17.54%) JavaScript
2 37 (17.54%) TypeScript
3 30 (14.22%) Python
4 19 (9.00%) Swift
5 18 (8.53%) Scala
6 10 (4.74%) C#
7 9 (4.27%) Go
7 9 (4.27%) Objective-C
8 7 (3.32%) SQL
9 3 (1.42%) C
9 3 (1.42%) C++
10 2 (0.95%) GLSL
10 2 (0.95%) HLSL
10 2 (0.95%) PHP
10 2 (0.95%) Ruby
Qualifications
1 18 (8.53%) Degree
2 14 (6.64%) Computer Science Degree
3 8 (3.79%) SC Cleared
3 8 (3.79%) Security Cleared
4 2 (0.95%) ISTQB
4 2 (0.95%) Master's Degree
Quality Assurance & Compliance
1 12 (5.69%) QA
2 4 (1.90%) Accessibility
3 2 (0.95%) Cyber Essentials
3 2 (0.95%) ISO/IEC 27001
4 1 (0.47%) MiFID
System Software
1 13 (6.16%) Docker
2 2 (0.95%) Virtual Machines
3 1 (0.47%) Active Directory
Systems Management
1 16 (7.58%) Kubernetes
2 11 (5.21%) Terraform
3 8 (3.79%) Prometheus
4 6 (2.84%) Zipkin
5 4 (1.90%) Ansible
6 3 (1.42%) Grafana
7 1 (0.47%) Argo
Vendors
1 10 (4.74%) Microsoft
2 8 (3.79%) Apple
3 4 (1.90%) Checkmarx
3 4 (1.90%) Nokia
4 2 (0.95%) New Relic
4 2 (0.95%) SAP
4 2 (0.95%) Splunk
5 1 (0.47%) Ariba
5 1 (0.47%) Google
5 1 (0.47%) HP
5 1 (0.47%) IBM