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 14 December 2025, with comparisons to the same periods in the previous two years.

6 months to
14 Dec 2025
Same period 2024 Same period 2023
Rank 295 194 300
Rank change year-on-year -101 +106 +1
Contract jobs citing Kotlin 86 201 104
As % of all contract jobs in London 0.60% 1.32% 0.54%
As % of the Programming Languages category 1.60% 3.42% 1.50%
Number of daily rates quoted 62 116 88
10th Percentile £400 £399 £445
25th Percentile £500 £413 £488
Median daily rate (50th Percentile) £600 £500 £625
Median % change year-on-year +20.00% -20.00% +5.49%
75th Percentile £788 £620 £666
90th Percentile £850 £713 £747
England median daily rate £500 £500 £600
% change year-on-year - -16.67% -
Number of hourly rates quoted 3 8 0
10th Percentile £48.05 £35.53 -
25th Percentile £51.13 £36.50 -
Median hourly rate £57.50 £40.08 -
Median % change year-on-year +43.47% - -
75th Percentile £65.38 £42.94 -
90th Percentile £69.35 £51.00 -
England median hourly rate £57.50 £40.08 £77.50
% change year-on-year +43.47% -48.29% +6.16%

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 5,385 5,870 6,919
As % of all contract IT jobs advertised in London 37.75% 38.43% 36.22%
Number of daily rates quoted 3,615 3,963 5,209
10th Percentile £368 £375 £395
25th Percentile £430 £463 £468
Median daily rate (50th Percentile) £540 £575 £575
Median % change year-on-year -6.09% - -4.17%
75th Percentile £670 £700 £700
90th Percentile £788 £825 £810
England median daily rate £513 £545 £550
% change year-on-year -5.96% -0.91% -4.35%
Number of hourly rates quoted 63 39 65
10th Percentile £25.29 £35.60 £26.24
25th Percentile £33.88 £40.06 £36.28
Median hourly rate £47.50 £52.50 £52.50
Median % change year-on-year -9.52% - -8.70%
75th Percentile £65.00 £66.88 £65.00
90th Percentile £78.75 £97.50 £72.50
England median hourly rate £65.00 £63.75 £62.50
% change year-on-year +1.97% +1.99% -0.79%

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 14 December 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 14 December 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 14 December 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 -21 8 £725 +42.16% 3
West London -14 1 £300 +7.14%
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 6 (6.98%) Confluence
2 1 (1.16%) Adobe Experience Manager
2 1 (1.16%) Solana
Business Applications
1 1 (1.16%) Distributed Ledger
1 1 (1.16%) Payment Gateway
Cloud Services
1 15 (17.44%) AWS
2 13 (15.12%) Azure
3 10 (11.63%) GCP
4 8 (9.30%) GitHub
5 7 (8.14%) Google Play
6 6 (6.98%) Firebase
7 5 (5.81%) GitHub Actions
7 5 (5.81%) Sentry
8 2 (2.33%) Adobe Analytics
8 2 (2.33%) Amazon ECS
8 2 (2.33%) Figma
9 1 (1.16%) Amazon CloudWatch
9 1 (1.16%) Amazon SQS
9 1 (1.16%) AWS Lambda
9 1 (1.16%) Bitrise
9 1 (1.16%) Flurry Analytics
9 1 (1.16%) PaaS
9 1 (1.16%) PubNub
9 1 (1.16%) Serverless
9 1 (1.16%) Vercel
Communications & Networking
1 5 (5.81%) HTTP
2 1 (1.16%) Broadband
2 1 (1.16%) HTTPS
2 1 (1.16%) SSL
Database & Business Intelligence
1 10 (11.63%) MongoDB
2 9 (10.47%) PostgreSQL
3 8 (9.30%) Relational Database
4 5 (5.81%) MySQL
5 3 (3.49%) BigQuery
6 2 (2.33%) NoSQL
7 1 (1.16%) Apache Cassandra
7 1 (1.16%) HBase
7 1 (1.16%) Mixpanel
7 1 (1.16%) RDBMS
Development Applications
1 11 (12.79%) JUnit
2 10 (11.63%) Gradle
3 9 (10.47%) Git
3 9 (10.47%) Jenkins
4 8 (9.30%) Android Studio
5 7 (8.14%) JIRA
5 7 (8.14%) XCUITest
6 5 (5.81%) Appium
6 5 (5.81%) Charles Proxy
6 5 (5.81%) CircleCI
6 5 (5.81%) Katalon Studio
6 5 (5.81%) Postman
7 4 (4.65%) Bitbucket
7 4 (4.65%) IntelliJ
8 2 (2.33%) Mockito
9 1 (1.16%) Cucumber
9 1 (1.16%) GitLab
9 1 (1.16%) SonarQube
9 1 (1.16%) Sonatype Nexus
9 1 (1.16%) Xcode
General
1 41 (47.67%) Finance
2 19 (22.09%) Social Skills
3 15 (17.44%) Banking
4 13 (15.12%) Front Office
5 5 (5.81%) Public Sector
6 2 (2.33%) Influencing Skills
7 1 (1.16%) Analytical Skills
7 1 (1.16%) Automotive
7 1 (1.16%) Investment Banking
7 1 (1.16%) Law
7 1 (1.16%) Military
7 1 (1.16%) Police
7 1 (1.16%) Retail
7 1 (1.16%) Retail Banking
7 1 (1.16%) Telecoms
7 1 (1.16%) Wearables
Job Titles
1 55 (63.95%) Developer
2 23 (26.74%) Android Developer
3 14 (16.28%) Senior
4 10 (11.63%) Java Developer
5 9 (10.47%) Front Office Developer
5 9 (10.47%) Senior Developer
6 7 (8.14%) Java Engineer
7 6 (6.98%) iOS Developer
8 5 (5.81%) Mobile Developer
9 4 (4.65%) Lead
9 4 (4.65%) Lead Developer
9 4 (4.65%) Mobile Engineer
9 4 (4.65%) QA Engineer
9 4 (4.65%) Software Engineer
10 3 (3.49%) Full-Stack Developer
10 3 (3.49%) Lead Android Developer
10 3 (3.49%) Quality Engineer
10 3 (3.49%) Security Engineer
10 3 (3.49%) Senior Quality Engineer
11 2 (2.33%) Senior Java Developer
Libraries, Frameworks & Software Standards
1 15 (17.44%) Android Jetpack
1 15 (17.44%) RESTful
2 14 (16.28%) Jetpack Compose
3 11 (12.79%) Spring
4 10 (11.63%) RxJava
5 8 (9.30%) React
5 8 (9.30%) Spring Boot
6 7 (8.14%) REST
7 6 (6.98%) Android SDK
7 6 (6.98%) Dagger
7 6 (6.98%) GraphQL
7 6 (6.98%) iOS SDK
8 5 (5.81%) React Native
8 5 (5.81%) Web Services
9 4 (4.65%) Android NDK
9 4 (4.65%) JNI
9 4 (4.65%) OkHttp
9 4 (4.65%) RAML
9 4 (4.65%) Redux
9 4 (4.65%) WireMock
Miscellaneous
1 22 (25.58%) Mobile App
2 6 (6.98%) Greenfield Project
3 5 (5.81%) Cloud Native
3 5 (5.81%) Data Protection Act
4 4 (4.65%) Augmented Reality
4 4 (4.65%) Embedded Systems
4 4 (4.65%) Virtual Reality
5 3 (3.49%) Data Structures
5 3 (3.49%) Distributed Systems
5 3 (3.49%) Product Ownership
6 2 (2.33%) Algorithms
6 2 (2.33%) Legacy Systems
6 2 (2.33%) Virtual Team
7 1 (1.16%) Blockchain
7 1 (1.16%) Infotainment
7 1 (1.16%) Legacy Code
7 1 (1.16%) Mobile Banking
7 1 (1.16%) Music Streaming
7 1 (1.16%) NHS
Operating Systems
1 38 (44.19%) Android
2 21 (24.42%) Apple iOS
3 9 (10.47%) Linux
4 4 (4.65%) Mac OS
4 4 (4.65%) Windows
5 1 (1.16%) Unix
Processes & Methodologies
1 28 (32.56%) Agile
1 28 (32.56%) CI/CD
2 26 (30.23%) Android Development
3 17 (19.77%) Fintech
4 16 (18.60%) DevOps
4 16 (18.60%) User Experience
5 14 (16.28%) Unit Testing
6 13 (15.12%) Containerisation
6 13 (15.12%) Microservices
6 13 (15.12%) MVVM
7 12 (13.95%) Analytics
7 12 (13.95%) Mobile Development
8 11 (12.79%) Computer Science
8 11 (12.79%) Test Automation
9 9 (10.47%) Architectural Patterns
9 9 (10.47%) OO
9 9 (10.47%) Problem-Solving
10 8 (9.30%) Clean Code
10 8 (9.30%) Functional Programming
10 8 (9.30%) Software Engineering
Programming Languages
1 58 (67.44%) Java
2 15 (17.44%) Swift
3 13 (15.12%) C++
4 11 (12.79%) TypeScript
5 8 (9.30%) Python
5 8 (9.30%) SQL
6 7 (8.14%) JavaScript
7 6 (6.98%) Objective-C
7 6 (6.98%) Rust
7 6 (6.98%) Scala
8 2 (2.33%) C#
8 2 (2.33%) Go
8 2 (2.33%) PHP
8 2 (2.33%) Ruby
8 2 (2.33%) VB
9 1 (1.16%) Clojure
9 1 (1.16%) Groovy
Qualifications
1 11 (12.79%) Degree
2 5 (5.81%) Master's Degree
3 3 (3.49%) Security Cleared
4 2 (2.33%) SC Cleared
5 1 (1.16%) Computer Science Degree
Quality Assurance & Compliance
1 13 (15.12%) QA
2 9 (10.47%) Accessibility
System Software
1 13 (15.12%) Docker
Systems Management
1 16 (18.60%) Kubernetes
2 3 (3.49%) Terraform
Vendors
1 10 (11.63%) Google
2 8 (9.30%) Databricks
3 5 (5.81%) Microsoft
3 5 (5.81%) Splunk
4 3 (3.49%) Alibaba
4 3 (3.49%) Oracle
5 2 (2.33%) Adobe
6 1 (1.16%) Xamarin