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 12 November 2025, with comparisons to the same periods in the previous two years.

6 months to
12 Nov 2025
Same period 2024 Same period 2023
Rank 273 172 292
Rank change year-on-year -101 +120 +18
Contract jobs citing Kotlin 99 230 124
As % of all contract jobs in London 0.71% 1.48% 0.62%
As % of the Programming Languages category 1.84% 3.80% 1.66%
Number of daily rates quoted 69 140 111
10th Percentile £400 £388 £445
25th Percentile £475 £413 £500
Median daily rate (50th Percentile) £600 £500 £625
Median % change year-on-year +20.00% -20.00% +8.70%
75th Percentile £750 £600 £675
90th Percentile £850 £701 £750
England median daily rate £500 £483 £605
% change year-on-year +3.63% -20.25% +2.54%
Number of hourly rates quoted 3 6 0
10th Percentile £48.05 £36.25 -
25th Percentile £51.13 £37.19 -
Median hourly rate £57.50 £40.08 -
Median % change year-on-year +43.47% - -
75th Percentile £65.38 £41.75 -
90th Percentile £69.35 £44.13 -
England median hourly rate £57.50 £40.08 £77.50
% change year-on-year +43.47% -48.29% +5.80%

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 5,379 6,053 7,458
As % of all contract IT jobs advertised in London 38.51% 39.02% 37.02%
Number of daily rates quoted 3,616 4,133 5,610
10th Percentile £369 £367 £400
25th Percentile £430 £463 £465
Median daily rate (50th Percentile) £550 £568 £585
Median % change year-on-year -3.17% -2.91% -2.50%
75th Percentile £675 £700 £700
90th Percentile £800 £825 £813
England median daily rate £513 £540 £550
% change year-on-year -5.09% -1.82% -4.35%
Number of hourly rates quoted 70 40 73
10th Percentile £22.99 £34.81 £25.76
25th Percentile £31.83 £40.06 £36.25
Median hourly rate £45.00 £47.50 £55.00
Median % change year-on-year -5.26% -13.64% -4.35%
75th Percentile £63.63 £63.26 £65.11
90th Percentile £87.50 £97.50 £77.00
England median hourly rate £62.50 £64.50 £62.00
% change year-on-year -3.10% +4.03% -0.80%

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 12 November 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 12 November 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 12 November 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 -20 7 £725 +42.16% 53
West London -13 1 £300 +7.14% 3
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 (9.09%) Confluence
2 1 (1.01%) Adobe Experience Manager
2 1 (1.01%) Solana
Business Applications
1 1 (1.01%) Distributed Ledger
1 1 (1.01%) Payment Gateway
Cloud Services
1 19 (19.19%) AWS
2 17 (17.17%) GitHub
3 13 (13.13%) Azure
4 12 (12.12%) GitHub Actions
5 10 (10.10%) GCP
6 5 (5.05%) Firebase
6 5 (5.05%) Google Play
6 5 (5.05%) Sentry
7 2 (2.02%) Adobe Analytics
8 1 (1.01%) Amazon ECS
8 1 (1.01%) Amazon SQS
8 1 (1.01%) Bitrise
8 1 (1.01%) Figma
8 1 (1.01%) Flurry Analytics
8 1 (1.01%) PubNub
Communications & Networking
1 5 (5.05%) HTTP
2 1 (1.01%) Broadband
2 1 (1.01%) HTTPS
2 1 (1.01%) SSL
Database & Business Intelligence
1 10 (10.10%) MongoDB
2 8 (8.08%) PostgreSQL
2 8 (8.08%) Relational Database
3 5 (5.05%) MySQL
4 3 (3.03%) BigQuery
5 2 (2.02%) NoSQL
6 1 (1.01%) Apache Cassandra
6 1 (1.01%) HBase
6 1 (1.01%) Mixpanel
6 1 (1.01%) RDBMS
Development Applications
1 13 (13.13%) Git
2 12 (12.12%) CircleCI
2 12 (12.12%) JUnit
3 11 (11.11%) Gradle
4 10 (10.10%) JIRA
5 9 (9.09%) Android Studio
6 8 (8.08%) Jenkins
7 7 (7.07%) XCUITest
8 6 (6.06%) Postman
9 5 (5.05%) Appium
9 5 (5.05%) Bitbucket
9 5 (5.05%) Charles Proxy
9 5 (5.05%) Katalon Studio
10 4 (4.04%) IntelliJ
11 2 (2.02%) Cypress.io
11 2 (2.02%) Maven
12 1 (1.01%) Gatling
12 1 (1.01%) Mockito
12 1 (1.01%) Sonatype Nexus
12 1 (1.01%) Xcode
General
1 42 (42.42%) Finance
2 24 (24.24%) Social Skills
3 16 (16.16%) Banking
4 13 (13.13%) Front Office
5 6 (6.06%) Public Sector
6 2 (2.02%) Influencing Skills
6 2 (2.02%) Military
7 1 (1.01%) Analytical Skills
7 1 (1.01%) Investment Banking
7 1 (1.01%) Law
7 1 (1.01%) Retail
7 1 (1.01%) Telecoms
7 1 (1.01%) Wearables
Job Titles
1 54 (54.55%) Developer
2 27 (27.27%) Android Developer
3 20 (20.20%) Senior
4 11 (11.11%) Java Engineer
5 10 (10.10%) Java Developer
6 9 (9.09%) Architect
6 9 (9.09%) Front Office Developer
7 8 (8.08%) Senior Developer
7 8 (8.08%) Technical Architect
8 7 (7.07%) Android Engineer
9 5 (5.05%) QA Engineer
9 5 (5.05%) Senior Architect
9 5 (5.05%) Senior Technical Architect
9 5 (5.05%) Software Engineer
10 4 (4.04%) iOS Developer
10 4 (4.04%) Lead
10 4 (4.04%) Lead Developer
10 4 (4.04%) Mobile Developer
10 4 (4.04%) Mobile Engineer
11 3 (3.03%) Full-Stack Developer
Libraries, Frameworks & Software Standards
1 19 (19.19%) Android Jetpack
2 17 (17.17%) Jetpack Compose
3 16 (16.16%) RESTful
4 12 (12.12%) Dagger
5 11 (11.11%) Android SDK
6 10 (10.10%) RxJava
7 9 (9.09%) Spring
8 8 (8.08%) React
9 7 (7.07%) REST
10 6 (6.06%) GraphQL
10 6 (6.06%) iOS SDK
10 6 (6.06%) Spring Boot
11 5 (5.05%) Web Services
12 4 (4.04%) Android NDK
12 4 (4.04%) AngularJS
12 4 (4.04%) JNI
12 4 (4.04%) RAML
12 4 (4.04%) React Native
12 4 (4.04%) Redux
12 4 (4.04%) WireMock
Miscellaneous
1 27 (27.27%) Mobile App
2 6 (6.06%) Greenfield Project
3 5 (5.05%) Cloud Native
3 5 (5.05%) Data Protection Act
3 5 (5.05%) Public Cloud
4 4 (4.04%) Augmented Reality
4 4 (4.04%) Distributed Systems
4 4 (4.04%) Embedded Systems
4 4 (4.04%) Product Ownership
4 4 (4.04%) Virtual Reality
5 2 (2.02%) Data Structures
5 2 (2.02%) Legacy Applications
5 2 (2.02%) Legacy Systems
5 2 (2.02%) Virtual Team
6 1 (1.01%) Algorithms
6 1 (1.01%) Blockchain
6 1 (1.01%) Legacy Code
6 1 (1.01%) Mobile Banking
6 1 (1.01%) NHS
Operating Systems
1 46 (46.46%) Android
2 16 (16.16%) Apple iOS
3 8 (8.08%) Linux
4 4 (4.04%) Mac OS
5 3 (3.03%) Windows
6 1 (1.01%) Unix
Processes & Methodologies
1 33 (33.33%) Agile
2 30 (30.30%) CI/CD
3 29 (29.29%) Android Development
4 21 (21.21%) MVVM
5 19 (19.19%) Microservices
6 18 (18.18%) Fintech
6 18 (18.18%) User Experience
7 16 (16.16%) Unit Testing
8 14 (14.14%) Architectural Patterns
8 14 (14.14%) DevOps
8 14 (14.14%) Test Automation
9 13 (13.13%) Containerisation
9 13 (13.13%) Continuous Integration
10 12 (12.12%) Computer Science
11 11 (11.11%) Analytics
11 11 (11.11%) TDD
12 10 (10.10%) Roadmaps
13 9 (9.09%) Design Patterns
13 9 (9.09%) Functional Programming
13 9 (9.09%) Problem-Solving
Programming Languages
1 70 (70.71%) Java
2 20 (20.20%) TypeScript
3 13 (13.13%) C++
4 12 (12.12%) Swift
5 9 (9.09%) Python
6 8 (8.08%) SQL
7 7 (7.07%) JavaScript
8 6 (6.06%) Rust
8 6 (6.06%) Scala
9 5 (5.05%) Objective-C
10 2 (2.02%) C#
10 2 (2.02%) Go
10 2 (2.02%) PHP
10 2 (2.02%) Ruby
10 2 (2.02%) VB
11 1 (1.01%) Ada
11 1 (1.01%) Clojure
11 1 (1.01%) Groovy
Qualifications
1 11 (11.11%) Degree
2 6 (6.06%) SC Cleared
2 6 (6.06%) Security Cleared
3 5 (5.05%) Master's Degree
4 2 (2.02%) Computer Science Degree
Quality Assurance & Compliance
1 15 (15.15%) Accessibility
2 14 (14.14%) QA
3 3 (3.03%) Data Quality
4 1 (1.01%) WCAG
System Software
1 13 (13.13%) Docker
Systems Management
1 22 (22.22%) Kubernetes
2 9 (9.09%) Terraform
3 7 (7.07%) Grafana
3 7 (7.07%) Prometheus
Vendors
1 10 (10.10%) Google
2 8 (8.08%) Databricks
3 5 (5.05%) Microsoft
3 5 (5.05%) Splunk
4 3 (3.03%) Alibaba
5 2 (2.02%) Adobe
5 2 (2.02%) Oracle
6 1 (1.01%) Xamarin