Kotlin Contract Job Trends in London

JetBrains Kotlin
England > London

The table below provides summary statistics and contractor rates for jobs advertised in London requiring Kotlin skills. It covers contract job vacancies from the 6 months leading up to 29 October 2025, with comparisons to the same periods in the previous two years.

6 months to
29 Oct 2025
Same period 2024 Same period 2023
Rank 274 160 291
Rank change year-on-year -114 +131 +24
Contract jobs citing Kotlin 96 241 134
As % of all contract jobs in London 0.70% 1.53% 0.66%
As % of the Programming Languages category 1.84% 3.89% 1.77%
Number of daily rates quoted 62 149 122
10th Percentile £400 £388 £450
25th Percentile £475 £413 £500
Median daily rate (50th Percentile) £550 £500 £625
Median % change year-on-year +10.00% -20.00% +8.70%
75th Percentile £728 £600 £675
90th Percentile £850 £690 £750
England median daily rate £500 £475 £625
% change year-on-year +5.26% -24.00% +6.16%
Number of hourly rates quoted 3 7 0
10th Percentile £48.05 £36.35 -
25th Percentile £51.13 £37.63 -
Median hourly rate £57.50 £41.16 -
Median % change year-on-year +39.72% - -
75th Percentile £65.38 £42.00 -
90th Percentile £69.35 £43.95 -
England median hourly rate £57.50 £41.16 £77.50
% change year-on-year +39.72% -46.90% +5.31%

All Programming Languages
London

Kotlin falls under the Programming Languages category. For comparison with the information above, the following table provides summary statistics for all contract job vacancies requiring coding skills in London.

Contract vacancies with a requirement for coding skills 5,219 6,194 7,566
As % of all contract IT jobs advertised in London 38.25% 39.31% 37.15%
Number of daily rates quoted 3,513 4,269 5,701
10th Percentile £369 £370 £400
25th Percentile £430 £463 £474
Median daily rate (50th Percentile) £550 £565 £588
Median % change year-on-year -2.65% -3.83% -2.08%
75th Percentile £675 £700 £713
90th Percentile £800 £838 £825
England median daily rate £513 £540 £550
% change year-on-year -5.09% -1.82% -4.35%
Number of hourly rates quoted 72 42 66
10th Percentile £23.62 £35.08 £25.57
25th Percentile £32.28 £40.06 £40.09
Median hourly rate £44.20 £48.50 £55.00
Median % change year-on-year -8.87% -11.82% -4.35%
75th Percentile £63.38 £71.66 £69.25
90th Percentile £87.38 £97.50 £85.78
England median hourly rate £62.50 £65.00 £62.50
% change year-on-year -3.85% +4.00% -

Kotlin
Job Vacancy Trend in London

Historical trend showing the proportion of contract IT job postings citing Kotlin relative to all contract IT jobs advertised in London.

Kotlin job vacancy trend in London

Kotlin
Daily Rate Trend in London

Contractor daily rate distribution trend for jobs in London citing Kotlin.

Contractor daily rate distribution trend for jobs in London citing Kotlin

Kotlin
Daily Rate Histogram in London

Daily rate distribution for jobs citing Kotlin in London over the 6 months to 29 October 2025.

Daily rate histogram for Kotlin in London

Kotlin
Hourly Rate Trend in London

Contractor hourly rate distribution trend for jobs in London citing Kotlin.

Contractor hourly rate distribution trend for jobs in London citing Kotlin

Kotlin
Hourly Rate Histogram in London

Hourly rate distribution of jobs citing Kotlin in London over the 6 months to 29 October 2025.

Hourly rate histogram for Kotlin in London

Kotlin
Contract Job Locations in London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Kotlin within the London region over the 6 months to 29 October 2025. 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
Central London -26 5 £693 +35.78% 36
West London -10 1 £300 +7.14% 1
Kotlin
England

Kotlin
Co-Occurring Skills & Capabilities in London by Category

The following tables expand on the one above by listing co-occurrences grouped by category. They cover the same employment type, locality and period, with up to 20 co-occurrences shown in each category:

Application Platforms
1 9 (9.38%) Confluence
2 1 (1.04%) Adobe Experience Manager
2 1 (1.04%) Solana
Business Applications
1 1 (1.04%) Distributed Ledger
1 1 (1.04%) Payment Gateway
Cloud Services
1 19 (19.79%) GitHub
2 18 (18.75%) AWS
3 13 (13.54%) Azure
4 12 (12.50%) GitHub Actions
5 9 (9.38%) GCP
6 5 (5.21%) Firebase
6 5 (5.21%) Google Play
6 5 (5.21%) Sentry
7 2 (2.08%) Adobe Analytics
8 1 (1.04%) Amazon ECS
8 1 (1.04%) Amazon SQS
8 1 (1.04%) Azure DevOps
8 1 (1.04%) Bitrise
8 1 (1.04%) Figma
8 1 (1.04%) Flurry Analytics
8 1 (1.04%) PubNub
Communications & Networking
1 5 (5.21%) HTTP
2 1 (1.04%) Broadband
2 1 (1.04%) HTTPS
2 1 (1.04%) SSL
Database & Business Intelligence
1 8 (8.33%) MongoDB
2 6 (6.25%) PostgreSQL
2 6 (6.25%) Relational Database
3 4 (4.17%) MySQL
4 3 (3.13%) BigQuery
5 2 (2.08%) NoSQL
6 1 (1.04%) Apache Cassandra
6 1 (1.04%) HBase
6 1 (1.04%) Mixpanel
6 1 (1.04%) RDBMS
Development Applications
1 13 (13.54%) Gradle
2 12 (12.50%) CircleCI
2 12 (12.50%) JUnit
3 10 (10.42%) Git
3 10 (10.42%) Jenkins
3 10 (10.42%) JIRA
4 7 (7.29%) Android Studio
4 7 (7.29%) Postman
4 7 (7.29%) XCUITest
5 5 (5.21%) Appium
5 5 (5.21%) Charles Proxy
5 5 (5.21%) Katalon Studio
6 4 (4.17%) IntelliJ
7 3 (3.13%) Bitbucket
8 2 (2.08%) Cypress.io
8 2 (2.08%) Maven
8 2 (2.08%) SonarQube
9 1 (1.04%) GitLab
9 1 (1.04%) Mockito
9 1 (1.04%) Xcode
General
1 36 (37.50%) Finance
2 21 (21.88%) Social Skills
3 14 (14.58%) Banking
4 7 (7.29%) Front Office
5 6 (6.25%) Public Sector
6 2 (2.08%) Influencing Skills
6 2 (2.08%) Military
7 1 (1.04%) Analytical Skills
7 1 (1.04%) Investment Banking
7 1 (1.04%) Law
7 1 (1.04%) Retail
7 1 (1.04%) Telecoms
7 1 (1.04%) Wearables
Job Titles
1 49 (51.04%) Developer
2 28 (29.17%) Android Developer
3 18 (18.75%) Senior
4 11 (11.46%) Java Engineer
5 10 (10.42%) Java Developer
6 9 (9.38%) Architect
7 8 (8.33%) Android Engineer
7 8 (8.33%) Technical Architect
8 5 (5.21%) QA Engineer
8 5 (5.21%) Senior Architect
8 5 (5.21%) Senior Developer
8 5 (5.21%) Senior Technical Architect
8 5 (5.21%) Software Engineer
9 4 (4.17%) iOS Developer
9 4 (4.17%) Lead
9 4 (4.17%) Lead Developer
9 4 (4.17%) Mobile Developer
9 4 (4.17%) Mobile Engineer
10 3 (3.13%) Lead Android Developer
10 3 (3.13%) Senior Android Engineer
Libraries, Frameworks & Software Standards
1 17 (17.71%) Android Jetpack
2 16 (16.67%) RESTful
3 15 (15.63%) Jetpack Compose
4 13 (13.54%) Dagger
5 12 (12.50%) Android SDK
5 12 (12.50%) RxJava
6 9 (9.38%) React
6 9 (9.38%) Spring
7 7 (7.29%) REST
8 6 (6.25%) GraphQL
8 6 (6.25%) iOS SDK
8 6 (6.25%) Spring Boot
9 5 (5.21%) Web Services
10 4 (4.17%) Android NDK
10 4 (4.17%) AngularJS
10 4 (4.17%) JNI
10 4 (4.17%) RAML
10 4 (4.17%) React Native
10 4 (4.17%) Redux
10 4 (4.17%) WireMock
Miscellaneous
1 28 (29.17%) Mobile App
2 5 (5.21%) Cloud Native
2 5 (5.21%) Data Protection Act
2 5 (5.21%) Greenfield Project
2 5 (5.21%) Public Cloud
3 4 (4.17%) Augmented Reality
3 4 (4.17%) Embedded Systems
3 4 (4.17%) Product Ownership
3 4 (4.17%) Virtual Reality
4 3 (3.13%) Distributed Systems
4 3 (3.13%) Legacy Applications
5 2 (2.08%) Data Structures
5 2 (2.08%) Virtual Team
6 1 (1.04%) Algorithms
6 1 (1.04%) Blockchain
6 1 (1.04%) Legacy Code
6 1 (1.04%) Legacy Systems
6 1 (1.04%) Mobile Banking
6 1 (1.04%) NHS
Operating Systems
1 49 (51.04%) Android
2 17 (17.71%) Apple iOS
3 8 (8.33%) Linux
4 4 (4.17%) Mac OS
5 3 (3.13%) Windows
6 1 (1.04%) Unix
Processes & Methodologies
1 34 (35.42%) Agile
2 30 (31.25%) Android Development
2 30 (31.25%) CI/CD
3 25 (26.04%) MVVM
4 20 (20.83%) User Experience
5 18 (18.75%) Microservices
6 17 (17.71%) Architectural Patterns
6 17 (17.71%) Fintech
7 15 (15.63%) DevOps
8 14 (14.58%) Test Automation
9 13 (13.54%) Continuous Integration
9 13 (13.54%) Unit Testing
10 12 (12.50%) Computer Science
10 12 (12.50%) Containerisation
11 10 (10.42%) Analytics
11 10 (10.42%) Design Patterns
11 10 (10.42%) Mobile Development
11 10 (10.42%) Roadmaps
11 10 (10.42%) TDD
12 9 (9.38%) Continuous Delivery
Programming Languages
1 65 (67.71%) Java
2 20 (20.83%) TypeScript
3 13 (13.54%) C++
3 13 (13.54%) Swift
4 10 (10.42%) Python
5 8 (8.33%) SQL
6 7 (7.29%) JavaScript
7 6 (6.25%) Rust
7 6 (6.25%) Scala
8 5 (5.21%) Objective-C
9 2 (2.08%) C#
9 2 (2.08%) Go
9 2 (2.08%) PHP
9 2 (2.08%) Ruby
9 2 (2.08%) VB
10 1 (1.04%) Ada
10 1 (1.04%) Clojure
10 1 (1.04%) Groovy
Qualifications
1 11 (11.46%) Degree
2 6 (6.25%) SC Cleared
2 6 (6.25%) Security Cleared
3 5 (5.21%) Master's Degree
4 2 (2.08%) Computer Science Degree
Quality Assurance & Compliance
1 15 (15.63%) Accessibility
2 14 (14.58%) QA
3 3 (3.13%) Data Quality
4 1 (1.04%) WCAG
System Software
1 11 (11.46%) Docker
Systems Management
1 19 (19.79%) Kubernetes
2 9 (9.38%) Terraform
3 7 (7.29%) Grafana
3 7 (7.29%) Prometheus
Vendors
1 10 (10.42%) Google
2 7 (7.29%) Databricks
3 5 (5.21%) Microsoft
3 5 (5.21%) Splunk
4 3 (3.13%) Alibaba
5 2 (2.08%) Adobe
6 1 (1.04%) Checkmarx
6 1 (1.04%) Oracle
6 1 (1.04%) Xamarin