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 3 May 2024 with a comparison to the same period in the previous 2 years.

6 months to
3 May 2024
Same period 2023 Same period 2022
Rank 385 422 435
Rank change year-on-year +37 +13 -187
Contract jobs citing Kotlin 210 307 501
As % of all contract jobs advertised in the UK 0.48% 0.52% 0.56%
As % of the Programming Languages category 1.64% 1.48% 1.55%
Number of daily rates quoted 151 233 390
10th Percentile £350 £463 £460
25th Percentile £413 £503 £506
Median daily rate (50th Percentile) £495 £580 £589
Median % change year-on-year -14.66% -1.49% +12.14%
75th Percentile £600 £675 £681
90th Percentile £699 £750 £734
UK excluding London median daily rate £438 £550 £525
% change year-on-year -20.45% +4.76% +11.70%
Number of hourly rates quoted 3 4 5
10th Percentile £48.10 - £46.50
25th Percentile £59.13 £35.00 £48.74
Median hourly rate £80.00 £42.53 £70.90
Median % change year-on-year +88.12% -40.02% +10.78%
75th Percentile £81.75 £57.54 £75.84
90th Percentile £82.20 £71.02 £78.34
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 12,836 20,708 32,245
As % of all contract IT jobs advertised in the UK 29.59% 34.95% 36.32%
Number of daily rates quoted 9,125 14,930 23,486
10th Percentile £350 £395 £383
25th Percentile £425 £463 £454
Median daily rate (50th Percentile) £525 £550 £550
Median % change year-on-year -4.55% - +10.00%
75th Percentile £650 £675 £650
90th Percentile £763 £780 £750
UK excluding London median daily rate £488 £500 £488
% change year-on-year -2.50% +2.56% +14.71%
Number of hourly rates quoted 490 468 511
10th Percentile £31.93 £26.21 £19.91
25th Percentile £46.25 £49.92 £35.00
Median hourly rate £61.60 £60.00 £50.00
Median % change year-on-year +2.67% +20.00% +13.64%
75th Percentile £70.00 £70.00 £60.00
90th Percentile £79.25 £77.30 £68.75
UK excluding London median hourly rate £62.50 £61.18 £49.54
% change year-on-year +2.17% +23.49% +17.25%

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 3 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 3 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 3 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 +40 182 £495 -16.10% 125
London -1 115 £525 -11.39% 82
UK excluding London +80 71 £438 -20.45% 46
Work from Home +39 65 £525 -12.50% 64
North of England +52 41 £438 -32.69% 10
North West +38 27 £485 -22.40% 3
Yorkshire +23 14 £300 -56.36% 4
Scotland - 14 £400 - 4
South East +16 10 £425 -19.05% 12
Midlands +23 3 £450 -35.71% 3
West Midlands +22 3 £450 -35.71% 2
South West +11 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 (3.33%) Apache Spark
2 1 (0.48%) Cloud Foundry
2 1 (0.48%) Confluence
2 1 (0.48%) nginx
Business Applications
1 1 (0.48%) SAP Hybris
Cloud Services
1 43 (20.48%) AWS
2 31 (14.76%) GitHub
3 21 (10.00%) Azure
4 20 (9.52%) GCP
5 8 (3.81%) GitHub Actions
6 5 (2.38%) Amazon SQS
6 5 (2.38%) Firebase
7 4 (1.90%) Datadog
7 4 (1.90%) Flurry Analytics
7 4 (1.90%) PubNub
7 4 (1.90%) Serverless
8 2 (0.95%) Amazon CloudWatch
8 2 (0.95%) Amazon EC2
8 2 (0.95%) Amazon EventBridge
8 2 (0.95%) Amazon Kinesis
8 2 (0.95%) AWS CloudFormation
8 2 (0.95%) AWS Lambda
8 2 (0.95%) Sentry
9 1 (0.48%) Cloud Computing
9 1 (0.48%) SAP Commerce Cloud
Communications & Networking
1 4 (1.90%) SSL
2 2 (0.95%) HTTP
3 1 (0.48%) AMQP
3 1 (0.48%) Bluetooth
Database & Business Intelligence
1 9 (4.29%) Relational Database
2 6 (2.86%) SQLite
3 4 (1.90%) DynamoDB
3 4 (1.90%) Mixpanel
4 2 (0.95%) MongoDB
4 2 (0.95%) NoSQL
5 1 (0.48%) Big Data
5 1 (0.48%) Data Lake
5 1 (0.48%) Data Warehouse
5 1 (0.48%) MariaDB
5 1 (0.48%) MySQL
5 1 (0.48%) PostgreSQL
5 1 (0.48%) Redis
5 1 (0.48%) Scylla
Development Applications
1 28 (13.33%) Jenkins
2 24 (11.43%) Android Studio
3 21 (10.00%) Gradle
4 19 (9.05%) Postman
5 15 (7.14%) Git
6 13 (6.19%) JUnit
6 13 (6.19%) Selenium
7 12 (5.71%) Appium
8 11 (5.24%) Cypress.io
9 7 (3.33%) Mockito
10 6 (2.86%) CircleCI
11 5 (2.38%) JIRA
12 4 (1.90%) SonarQube
13 3 (1.43%) Bitbucket
13 3 (1.43%) Cucumber
13 3 (1.43%) IntelliJ
13 3 (1.43%) Katalon Studio
13 3 (1.43%) XCUITest
14 2 (0.95%) Maven
14 2 (0.95%) UI Automator
General
1 44 (20.95%) Social Skills
2 28 (13.33%) Finance
3 16 (7.62%) Banking
4 15 (7.14%) Front Office
5 13 (6.19%) Back Office
6 9 (4.29%) Public Sector
7 5 (2.38%) Electronics
8 4 (1.90%) Analytical Skills
9 2 (0.95%) Investment Banking
9 2 (0.95%) Marketing
9 2 (0.95%) Retail Banking
9 2 (0.95%) Telecoms
10 1 (0.48%) Manufacturing
10 1 (0.48%) Publishing
10 1 (0.48%) Retail
Job Titles
1 135 (64.29%) Developer
2 63 (30.00%) Android Developer
3 44 (20.95%) Senior
4 22 (10.48%) Java Developer
4 22 (10.48%) Senior Developer
5 20 (9.52%) Android Engineer
5 20 (9.52%) Full Stack Developer
5 20 (9.52%) React Developer
6 16 (7.62%) Software Engineer
7 14 (6.67%) Full Stack Engineer
8 11 (5.24%) Analyst
8 11 (5.24%) Senior Android Developer
8 11 (5.24%) Test Analyst
9 10 (4.76%) Backend Developer
9 10 (4.76%) Full Stack Software Engineer
10 9 (4.29%) Developer/Software Engineer
10 9 (4.29%) Java Engineer
10 9 (4.29%) Senior Analyst
10 9 (4.29%) Senior Test Analyst
11 7 (3.33%) Lead
Libraries, Frameworks & Software Standards
1 36 (17.14%) RESTful
2 34 (16.19%) React
3 28 (13.33%) Node.js
4 26 (12.38%) REST
5 19 (9.05%) Android Jetpack
5 19 (9.05%) Jetpack Compose
6 17 (8.10%) Spring
7 16 (7.62%) React Native
8 13 (6.19%) GraphQL
8 13 (6.19%) Spring Boot
9 12 (5.71%) Redux
9 12 (5.71%) RxJava
10 11 (5.24%) Kafka
11 9 (4.29%) Dagger
11 9 (4.29%) Jest
11 9 (4.29%) Material-UI
12 8 (3.81%) Android SDK
12 8 (3.81%) Electron
12 8 (3.81%) RAML
13 7 (3.33%) CSS3
Miscellaneous
1 62 (29.52%) Mobile App
2 15 (7.14%) Data Structures
3 13 (6.19%) Distributed Systems
4 10 (4.76%) Algorithms
5 9 (4.29%) Fixed Income
5 9 (4.29%) Greenfield Project
5 9 (4.29%) Product Ownership
6 8 (3.81%) Legacy Code
7 4 (1.90%) Virtual Team
8 3 (1.43%) Mobile Banking
9 2 (0.95%) Analytical Mindset
9 2 (0.95%) Animation
9 2 (0.95%) Augmented Reality
9 2 (0.95%) Distributed Architecture
9 2 (0.95%) Legacy Systems
9 2 (0.95%) Mixed Reality
9 2 (0.95%) Social Media
10 1 (0.48%) Hedge funds
10 1 (0.48%) Marketing Technology
10 1 (0.48%) Onboarding
Operating Systems
1 122 (58.10%) Android
2 21 (10.00%) Apple iOS
3 2 (0.95%) Windows
3 2 (0.95%) Windows Server
Processes & Methodologies
1 71 (33.81%) Android Development
2 67 (31.90%) Agile
3 52 (24.76%) CI/CD
4 41 (19.52%) Test Automation
5 39 (18.57%) Continuous Integration
6 38 (18.10%) Software Engineering
7 29 (13.81%) Full Stack Development
8 27 (12.86%) SDLC
9 26 (12.38%) MVVM
10 25 (11.90%) Unit Testing
11 24 (11.43%) User Experience
12 23 (10.95%) TDD
13 21 (10.00%) Microservices
14 19 (9.05%) Fintech
14 19 (9.05%) Mobile Development
15 18 (8.57%) Computer Science
15 18 (8.57%) DevOps
16 16 (7.62%) Architectural Patterns
17 15 (7.14%) Problem-Solving
18 14 (6.67%) Software Testing
Programming Languages
1 117 (55.71%) Java
2 36 (17.14%) JavaScript
2 36 (17.14%) TypeScript
3 29 (13.81%) Python
4 19 (9.05%) Scala
4 19 (9.05%) Swift
5 11 (5.24%) C#
6 9 (4.29%) Go
6 9 (4.29%) Objective-C
7 6 (2.86%) SQL
8 3 (1.43%) C
8 3 (1.43%) C++
9 2 (0.95%) GLSL
9 2 (0.95%) HLSL
9 2 (0.95%) PHP
9 2 (0.95%) Ruby
Qualifications
1 18 (8.57%) Degree
2 15 (7.14%) Computer Science Degree
3 8 (3.81%) SC Cleared
3 8 (3.81%) Security Cleared
4 2 (0.95%) ISTQB
4 2 (0.95%) Master's Degree
Quality Assurance & Compliance
1 13 (6.19%) QA
2 4 (1.90%) Accessibility
3 1 (0.48%) Cyber Essentials
3 1 (0.48%) ISO/IEC 27001
3 1 (0.48%) MiFID
System Software
1 11 (5.24%) Docker
2 3 (1.43%) Virtual Machines
Systems Management
1 14 (6.67%) Kubernetes
2 13 (6.19%) Terraform
3 7 (3.33%) Prometheus
4 6 (2.86%) Zipkin
5 3 (1.43%) Ansible
6 2 (0.95%) Grafana
7 1 (0.48%) Argo
Vendors
1 11 (5.24%) Microsoft
2 8 (3.81%) Apple
3 4 (1.90%) Checkmarx
3 4 (1.90%) Nokia
4 3 (1.43%) Google
4 3 (1.43%) SAP
5 2 (0.95%) New Relic
5 2 (0.95%) Splunk
6 1 (0.48%) Ariba
6 1 (0.48%) HP
6 1 (0.48%) IBM