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 27 April 2024 with a comparison to the same period in the previous 2 years.

6 months to
27 Apr 2024
Same period 2023 Same period 2022
Rank 399 420 439
Rank change year-on-year +21 +19 -197
Contract jobs citing Kotlin 202 319 493
As % of all contract jobs advertised in the UK 0.47% 0.53% 0.55%
As % of the Programming Languages category 1.58% 1.52% 1.53%
Number of daily rates quoted 146 242 384
10th Percentile £350 £463 £463
25th Percentile £416 £503 £509
Median daily rate (50th Percentile) £500 £575 £600
Median % change year-on-year -13.04% -4.17% +14.29%
75th Percentile £611 £675 £681
90th Percentile £699 £750 £736
UK excluding London median daily rate £438 £550 £525
% change year-on-year -20.45% +4.76% +11.70%
Number of hourly rates quoted 2 4 5
10th Percentile £77.85 - £46.50
25th Percentile £78.38 £35.00 £48.74
Median hourly rate £80.50 £42.53 £70.90
Median % change year-on-year +89.30% -40.02% +10.78%
75th Percentile £82.13 £57.54 £75.84
90th Percentile £82.35 £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 12,747 20,965 32,275
As % of all contract IT jobs advertised in the UK 29.44% 35.05% 36.33%
Number of daily rates quoted 9,054 15,147 23,495
10th Percentile £350 £400 £381
25th Percentile £425 £463 £450
Median daily rate (50th Percentile) £525 £550 £550
Median % change year-on-year -4.55% - +10.00%
75th Percentile £650 £675 £650
90th Percentile £750 £783 £750
UK excluding London median daily rate £489 £500 £485
% change year-on-year -2.20% +3.09% +14.12%
Number of hourly rates quoted 480 477 511
10th Percentile £31.25 £26.39 £19.91
25th Percentile £46.25 £50.00 £35.00
Median hourly rate £60.07 £60.70 £50.00
Median % change year-on-year -1.04% +21.40% +13.64%
75th Percentile £70.00 £70.00 £60.00
90th Percentile £78.88 £77.00 £67.80
UK excluding London median hourly rate £62.50 £62.50 £49.25
% change year-on-year - +26.90% +15.88%

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 27 April 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
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 27 April 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 +30 174 £495 -14.66% 130
London -11 107 £525 -11.39% 90
UK excluding London +85 70 £438 -20.45% 42
Work from Home +38 64 £550 -8.33% 65
North of England +56 41 £438 -32.69% 8
North West +37 27 £485 -22.40% 2
Yorkshire +22 14 £300 -56.36% 4
Scotland - 13 £400 - 3
South East +23 10 £425 -20.93% 13
West Midlands +27 3 £450 -35.71% 2
Midlands +17 3 £450 -35.71% 3
South West +12 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 6 (2.97%) Apache Spark
2 1 (0.50%) Cloud Foundry
2 1 (0.50%) Confluence
Business Applications
1 1 (0.50%) SAP Hybris
Cloud Services
1 42 (20.79%) AWS
2 32 (15.84%) GitHub
3 20 (9.90%) Azure
4 19 (9.41%) GCP
5 8 (3.96%) GitHub Actions
6 6 (2.97%) Amazon SQS
6 6 (2.97%) Firebase
7 4 (1.98%) Datadog
7 4 (1.98%) Flurry Analytics
7 4 (1.98%) PubNub
8 3 (1.49%) Amazon EC2
8 3 (1.49%) Amazon EventBridge
8 3 (1.49%) Serverless
9 2 (0.99%) Amazon CloudWatch
9 2 (0.99%) Amazon Kinesis
9 2 (0.99%) AWS CloudFormation
9 2 (0.99%) Sentry
10 1 (0.50%) AWS IoT
10 1 (0.50%) Azure Event Grid
10 1 (0.50%) Google Play
Communications & Networking
1 4 (1.98%) SSL
2 2 (0.99%) HTTP
3 1 (0.50%) Bluetooth
Database & Business Intelligence
1 7 (3.47%) Relational Database
2 6 (2.97%) SQLite
3 5 (2.48%) DynamoDB
4 4 (1.98%) Mixpanel
5 3 (1.49%) NoSQL
6 1 (0.50%) Big Data
6 1 (0.50%) Data Lake
6 1 (0.50%) Data Warehouse
6 1 (0.50%) MariaDB
6 1 (0.50%) MongoDB
6 1 (0.50%) MySQL
6 1 (0.50%) PostgreSQL
6 1 (0.50%) Redis
6 1 (0.50%) Scylla
Development Applications
1 28 (13.86%) Jenkins
2 24 (11.88%) Android Studio
3 20 (9.90%) Gradle
4 16 (7.92%) Postman
5 15 (7.43%) Git
6 13 (6.44%) JUnit
6 13 (6.44%) Selenium
7 11 (5.45%) Appium
8 10 (4.95%) Cypress.io
9 7 (3.47%) CircleCI
9 7 (3.47%) Mockito
10 5 (2.48%) JIRA
11 4 (1.98%) SonarQube
12 3 (1.49%) Bitbucket
12 3 (1.49%) Cucumber
13 2 (0.99%) Charles Proxy
13 2 (0.99%) IntelliJ
13 2 (0.99%) Maven
13 2 (0.99%) Sonatype Nexus
13 2 (0.99%) UI Automator
General
1 43 (21.29%) Social Skills
2 29 (14.36%) Finance
3 16 (7.92%) Banking
3 16 (7.92%) Front Office
4 9 (4.46%) Back Office
5 7 (3.47%) Public Sector
6 5 (2.48%) Electronics
7 4 (1.98%) Analytical Skills
8 2 (0.99%) Marketing
8 2 (0.99%) Retail Banking
8 2 (0.99%) Telecoms
9 1 (0.50%) Investment Banking
9 1 (0.50%) Manufacturing
9 1 (0.50%) Publishing
9 1 (0.50%) Retail
Job Titles
1 135 (66.83%) Developer
2 64 (31.68%) Android Developer
3 39 (19.31%) Senior
4 21 (10.40%) Full Stack Developer
4 21 (10.40%) Java Developer
4 21 (10.40%) React Developer
4 21 (10.40%) Senior Developer
5 20 (9.90%) Android Engineer
6 17 (8.42%) Software Engineer
7 15 (7.43%) Full Stack Engineer
8 11 (5.45%) Full Stack Software Engineer
8 11 (5.45%) Senior Android Developer
9 10 (4.95%) Backend Developer
9 10 (4.95%) Developer/Software Engineer
10 8 (3.96%) Analyst
10 8 (3.96%) Java Engineer
10 8 (3.96%) Test Analyst
11 7 (3.47%) Lead
11 7 (3.47%) Senior Analyst
11 7 (3.47%) Senior Test Analyst
Libraries, Frameworks & Software Standards
1 36 (17.82%) RESTful
2 33 (16.34%) React
3 28 (13.86%) Node.js
4 24 (11.88%) REST
5 19 (9.41%) Android Jetpack
5 19 (9.41%) Jetpack Compose
6 16 (7.92%) React Native
7 14 (6.93%) Spring
8 13 (6.44%) GraphQL
8 13 (6.44%) Redux
8 13 (6.44%) RxJava
9 11 (5.45%) Spring Boot
10 10 (4.95%) Dagger
10 10 (4.95%) Material-UI
11 9 (4.46%) Kafka
12 8 (3.96%) Android SDK
12 8 (3.96%) Electron
12 8 (3.96%) Jest
13 7 (3.47%) CSS3
13 7 (3.47%) RAML
Miscellaneous
1 58 (28.71%) Mobile App
2 14 (6.93%) Data Structures
3 12 (5.94%) Distributed Systems
4 10 (4.95%) Algorithms
4 10 (4.95%) Fixed Income
5 8 (3.96%) Greenfield Project
5 8 (3.96%) Legacy Code
6 7 (3.47%) Product Ownership
7 4 (1.98%) Mobile Banking
7 4 (1.98%) Virtual Team
8 2 (0.99%) Analytical Mindset
8 2 (0.99%) Animation
8 2 (0.99%) Augmented Reality
8 2 (0.99%) Distributed Architecture
8 2 (0.99%) Legacy Systems
8 2 (0.99%) Mixed Reality
8 2 (0.99%) Social Media
9 1 (0.50%) Cloud Native
9 1 (0.50%) Marketing Technology
9 1 (0.50%) Smart Home
Operating Systems
1 117 (57.92%) Android
2 18 (8.91%) Apple iOS
3 2 (0.99%) Windows
3 2 (0.99%) Windows Server
Processes & Methodologies
1 71 (35.15%) Android Development
2 64 (31.68%) Agile
3 52 (25.74%) CI/CD
4 37 (18.32%) Software Engineering
5 35 (17.33%) Test Automation
6 34 (16.83%) Continuous Integration
7 29 (14.36%) Full Stack Development
8 26 (12.87%) MVVM
9 25 (12.38%) SDLC
9 25 (12.38%) Unit Testing
10 23 (11.39%) User Experience
11 22 (10.89%) TDD
12 20 (9.90%) Fintech
13 19 (9.41%) DevOps
14 18 (8.91%) Computer Science
14 18 (8.91%) Microservices
14 18 (8.91%) Mobile Development
15 16 (7.92%) Architectural Patterns
16 15 (7.43%) Problem-Solving
17 12 (5.94%) Scrum
Programming Languages
1 113 (55.94%) Java
2 34 (16.83%) JavaScript
2 34 (16.83%) TypeScript
3 30 (14.85%) Python
4 18 (8.91%) Scala
5 17 (8.42%) Swift
6 11 (5.45%) C#
7 8 (3.96%) Go
7 8 (3.96%) Objective-C
8 4 (1.98%) SQL
9 3 (1.49%) C++
10 2 (0.99%) C
10 2 (0.99%) GLSL
10 2 (0.99%) HLSL
10 2 (0.99%) PHP
10 2 (0.99%) Ruby
Qualifications
1 18 (8.91%) Degree
2 15 (7.43%) Computer Science Degree
3 8 (3.96%) SC Cleared
3 8 (3.96%) Security Cleared
4 2 (0.99%) ISTQB
4 2 (0.99%) Master's Degree
Quality Assurance & Compliance
1 11 (5.45%) QA
2 4 (1.98%) Accessibility
3 1 (0.50%) MiFID
System Software
1 9 (4.46%) Docker
2 3 (1.49%) Virtual Machines
Systems Management
1 14 (6.93%) Terraform
2 12 (5.94%) Kubernetes
3 5 (2.48%) Prometheus
3 5 (2.48%) Zipkin
4 3 (1.49%) Ansible
5 1 (0.50%) Argo
5 1 (0.50%) Grafana
Vendors
1 8 (3.96%) Microsoft
2 7 (3.47%) Apple
3 4 (1.98%) Checkmarx
3 4 (1.98%) Nokia
4 3 (1.49%) Google
4 3 (1.49%) SAP
5 2 (0.99%) New Relic
5 2 (0.99%) Splunk
6 1 (0.50%) Ariba
6 1 (0.50%) HP
6 1 (0.50%) IBM