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

6 months to
20 May 2024
Same period 2023 Same period 2022
Rank 361 409 434
Rank change year-on-year +48 +25 -183
Contract jobs citing Kotlin 222 303 500
As % of all contract jobs advertised in the UK 0.52% 0.53% 0.57%
As % of the Programming Languages category 1.74% 1.53% 1.57%
Number of daily rates quoted 160 235 388
10th Percentile £350 £463 £456
25th Percentile £413 £513 £504
Median daily rate (50th Percentile) £495 £600 £580
Median % change year-on-year -17.50% +3.45% +10.48%
75th Percentile £600 £675 £681
90th Percentile £699 £750 £725
UK excluding London median daily rate £444 £550 £525
% change year-on-year -19.32% +4.76% +10.53%
Number of hourly rates quoted 3 4 10
10th Percentile £48.10 - £48.37
25th Percentile £59.13 £35.00 £66.13
Median hourly rate £80.00 £42.53 £73.60
Median % change year-on-year +88.12% -42.22% +14.99%
75th Percentile £81.75 £57.54 £77.09
90th Percentile £82.20 £71.02 £81.00
UK excluding London median hourly rate £80.50 £65.03 £72.50
% change year-on-year +23.80% -10.31% -

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 12,728 19,825 31,917
As % of all contract IT jobs advertised in the UK 29.92% 34.62% 36.14%
Number of daily rates quoted 9,055 14,305 23,279
10th Percentile £350 £390 £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 £655
90th Percentile £765 £788 £750
UK excluding London median daily rate £488 £500 £495
% change year-on-year -2.50% +1.01% +15.79%
Number of hourly rates quoted 493 443 502
10th Percentile £32.25 £26.09 £19.52
25th Percentile £46.25 £50.00 £35.00
Median hourly rate £62.36 £60.70 £50.10
Median % change year-on-year +2.73% +21.16% +17.03%
75th Percentile £70.00 £70.00 £60.38
90th Percentile £78.60 £78.00 £72.43
UK excluding London median hourly rate £62.50 £62.50 £50.00
% change year-on-year - +25.00% +24.82%

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 20 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 20 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 20 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 +41 191 £495 -17.50% 201
London +15 126 £525 -12.50% 154
UK excluding London +79 73 £444 -19.32% 95
Work from Home +32 67 £525 -12.50% 114
North of England +53 41 £438 -33.71% 11
North West +37 26 £475 -24.00% 2
Scotland - 16 £400 - 11
Yorkshire +21 15 £300 -57.14% 6
South East +21 10 £425 -19.05% 47
West Midlands +17 3 £450 -35.71% 4
Midlands +11 3 £450 -35.71% 5
South West 0 3 £600 +14.29% 6

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 9 (4.05%) Apache Spark
2 2 (0.90%) nginx
3 1 (0.45%) Cloud Foundry
3 1 (0.45%) Confluence
Business Applications
1 1 (0.45%) Payment Gateway
1 1 (0.45%) R3 Corda
1 1 (0.45%) SAP Hybris
Cloud Services
1 45 (20.27%) AWS
2 34 (15.32%) GitHub
3 25 (11.26%) Azure
4 24 (10.81%) GCP
5 10 (4.50%) GitHub Actions
6 5 (2.25%) AWS CloudFormation
6 5 (2.25%) Firebase
6 5 (2.25%) Serverless
7 4 (1.80%) Amazon SQS
7 4 (1.80%) Datadog
7 4 (1.80%) Entra ID
7 4 (1.80%) Flurry Analytics
7 4 (1.80%) PubNub
8 3 (1.35%) AWS Lambda
9 2 (0.90%) Amazon CloudWatch
9 2 (0.90%) Amazon Kinesis
9 2 (0.90%) npm
9 2 (0.90%) Sentry
9 2 (0.90%) Yarn
10 1 (0.45%) IaaS
Communications & Networking
1 4 (1.80%) SSL
2 2 (0.90%) AMQP
2 2 (0.90%) HTTP
3 1 (0.45%) Bluetooth
Database & Business Intelligence
1 12 (5.41%) Relational Database
2 6 (2.70%) SQLite
3 4 (1.80%) Mixpanel
4 3 (1.35%) MongoDB
5 2 (0.90%) DynamoDB
6 1 (0.45%) Big Data
6 1 (0.45%) Data Warehouse
6 1 (0.45%) MariaDB
6 1 (0.45%) MySQL
6 1 (0.45%) PostgreSQL
6 1 (0.45%) Redis
6 1 (0.45%) Scylla
Development Applications
1 29 (13.06%) Jenkins
2 24 (10.81%) Android Studio
3 23 (10.36%) Gradle
4 21 (9.46%) Postman
5 17 (7.66%) Git
6 15 (6.76%) JUnit
7 14 (6.31%) Selenium
8 13 (5.86%) Cypress.io
9 12 (5.41%) Appium
10 8 (3.60%) CircleCI
10 8 (3.60%) Mockito
11 5 (2.25%) JIRA
12 4 (1.80%) Cucumber
12 4 (1.80%) SonarQube
13 3 (1.35%) Bitbucket
13 3 (1.35%) IntelliJ
13 3 (1.35%) Katalon Studio
13 3 (1.35%) XCUITest
14 2 (0.90%) Maven
14 2 (0.90%) UI Automator
General
1 45 (20.27%) Social Skills
2 34 (15.32%) Finance
3 19 (8.56%) Banking
4 15 (6.76%) Back Office
4 15 (6.76%) Front Office
5 10 (4.50%) Public Sector
6 4 (1.80%) Analytical Skills
7 3 (1.35%) Electronics
7 3 (1.35%) Investment Banking
8 2 (0.90%) Retail Banking
9 1 (0.45%) Marketing
9 1 (0.45%) Publishing
9 1 (0.45%) Retail
9 1 (0.45%) Telecoms
Job Titles
1 136 (61.26%) Developer
2 63 (28.38%) Android Developer
3 51 (22.97%) Senior
4 25 (11.26%) Java Developer
5 23 (10.36%) Senior Developer
6 22 (9.91%) Android Engineer
7 19 (8.56%) Full Stack Developer
7 19 (8.56%) React Developer
8 15 (6.76%) Software Engineer
9 13 (5.86%) Analyst
9 13 (5.86%) Full Stack Engineer
9 13 (5.86%) Test Analyst
10 11 (4.95%) Senior Analyst
10 11 (4.95%) Senior Android Developer
10 11 (4.95%) Senior Test Analyst
11 10 (4.50%) Backend Developer
11 10 (4.50%) Java Engineer
12 9 (4.05%) Full Stack Software Engineer
13 8 (3.60%) Developer/Software Engineer
14 7 (3.15%) Senior Android Engineer
Libraries, Frameworks & Software Standards
1 35 (15.77%) React
1 35 (15.77%) RESTful
2 31 (13.96%) REST
3 29 (13.06%) Node.js
4 22 (9.91%) Android Jetpack
4 22 (9.91%) Jetpack Compose
4 22 (9.91%) Spring
5 17 (7.66%) Spring Boot
6 16 (7.21%) React Native
7 14 (6.31%) Kafka
8 13 (5.86%) GraphQL
8 13 (5.86%) RxJava
9 11 (4.95%) Redux
10 10 (4.50%) Dagger
10 10 (4.50%) Jest
11 8 (3.60%) Elastic Stack
11 8 (3.60%) Electron
11 8 (3.60%) Material-UI
11 8 (3.60%) OpenTracing
11 8 (3.60%) RAML
Miscellaneous
1 64 (28.83%) Mobile App
2 19 (8.56%) Data Structures
3 15 (6.76%) Distributed Systems
4 14 (6.31%) Algorithms
5 11 (4.95%) Product Ownership
6 10 (4.50%) Greenfield Project
6 10 (4.50%) Legacy Code
7 9 (4.05%) Fixed Income
8 5 (2.25%) Virtual Team
9 3 (1.35%) Legacy Systems
9 3 (1.35%) Mobile Banking
10 2 (0.90%) Analytical Mindset
10 2 (0.90%) Animation
10 2 (0.90%) Augmented Reality
10 2 (0.90%) Blockchain
10 2 (0.90%) Distributed Architecture
10 2 (0.90%) Mixed Reality
11 1 (0.45%) Cloud Native
11 1 (0.45%) Marketing Technology
11 1 (0.45%) Public Cloud
Operating Systems
1 126 (56.76%) Android
2 21 (9.46%) Apple iOS
3 2 (0.90%) Windows
3 2 (0.90%) Windows Server
4 1 (0.45%) Linux
Processes & Methodologies
1 71 (31.98%) Agile
1 71 (31.98%) Android Development
2 52 (23.42%) CI/CD
3 46 (20.72%) Test Automation
4 45 (20.27%) Continuous Integration
5 38 (17.12%) Software Engineering
6 29 (13.06%) Full Stack Development
6 29 (13.06%) SDLC
7 28 (12.61%) Unit Testing
8 26 (11.71%) MVVM
9 24 (10.81%) User Experience
10 23 (10.36%) Microservices
10 23 (10.36%) TDD
11 21 (9.46%) Computer Science
12 19 (8.56%) Mobile Development
12 19 (8.56%) Problem-Solving
13 18 (8.11%) DevOps
13 18 (8.11%) Fintech
14 16 (7.21%) Continuous Delivery
14 16 (7.21%) Software Testing
Programming Languages
1 118 (53.15%) Java
2 37 (16.67%) JavaScript
3 36 (16.22%) TypeScript
4 28 (12.61%) Python
5 20 (9.01%) Scala
6 19 (8.56%) Swift
7 9 (4.05%) C#
7 9 (4.05%) Go
7 9 (4.05%) Objective-C
8 7 (3.15%) SQL
9 3 (1.35%) C
9 3 (1.35%) C++
10 2 (0.90%) GLSL
10 2 (0.90%) HLSL
10 2 (0.90%) PHP
11 1 (0.45%) Ruby
Qualifications
1 21 (9.46%) Degree
2 17 (7.66%) Computer Science Degree
3 8 (3.60%) SC Cleared
3 8 (3.60%) Security Cleared
4 3 (1.35%) Master's Degree
5 2 (0.90%) ISTQB
Quality Assurance & Compliance
1 12 (5.41%) QA
2 4 (1.80%) Accessibility
3 2 (0.90%) Cyber Essentials
3 2 (0.90%) ISO/IEC 27001
4 1 (0.45%) MiFID
System Software
1 16 (7.21%) Docker
2 4 (1.80%) Active Directory
3 2 (0.90%) Virtual Machines
Systems Management
1 20 (9.01%) Kubernetes
2 12 (5.41%) Terraform
3 10 (4.50%) Prometheus
4 8 (3.60%) Zipkin
5 4 (1.80%) Ansible
5 4 (1.80%) Grafana
6 1 (0.45%) Argo
Vendors
1 11 (4.95%) Microsoft
2 8 (3.60%) Apple
3 4 (1.80%) Checkmarx
3 4 (1.80%) Nokia
4 2 (0.90%) New Relic
4 2 (0.90%) SAP
4 2 (0.90%) Splunk
5 1 (0.45%) Ariba
5 1 (0.45%) Google
5 1 (0.45%) HP
5 1 (0.45%) IBM
5 1 (0.45%) ION Trading