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

6 months to
30 Nov 2025
Same period 2024 Same period 2023
Rank 289 190 319
Rank change year-on-year -99 +129 -13
Contract jobs citing Kotlin 93 215 107
As % of all contract jobs in London 0.66% 1.36% 0.54%
As % of the Programming Languages category 1.73% 3.52% 1.49%
Number of daily rates quoted 65 127 94
10th Percentile £400 £396 £445
25th Percentile £475 £413 £500
Median daily rate (50th Percentile) £575 £500 £625
Median % change year-on-year +15.00% -20.00% +7.76%
75th Percentile £788 £600 £675
90th Percentile £850 £705 £749
England median daily rate £500 £500 £600
% change year-on-year - -16.67% +1.69%
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% +25.97%

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 5,367 6,104 7,201
As % of all contract IT jobs advertised in London 38.09% 38.66% 36.49%
Number of daily rates quoted 3,605 4,152 5,405
10th Percentile £363 £373 £392
25th Percentile £425 £463 £463
Median daily rate (50th Percentile) £540 £575 £576
Median % change year-on-year -6.09% -0.17% -4.00%
75th Percentile £675 £700 £700
90th Percentile £800 £825 £813
England median daily rate £513 £545 £550
% change year-on-year -5.96% -0.91% -4.35%
Number of hourly rates quoted 64 41 68
10th Percentile £25.34 £35.75 £26.11
25th Percentile £34.56 £40.06 £36.70
Median hourly rate £49.47 £52.50 £55.00
Median % change year-on-year -5.77% -4.55% -4.35%
75th Percentile £66.50 £68.75 £65.00
90th Percentile £87.50 £97.50 £74.06
England median hourly rate £65.00 £65.00 £61.84
% change year-on-year - +5.11% -1.06%

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 30 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 30 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 30 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 -16 9 £725 +42.16% 6
West London -11 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 7 (7.53%) Confluence
2 1 (1.08%) Adobe Experience Manager
2 1 (1.08%) Solana
Business Applications
1 1 (1.08%) Distributed Ledger
1 1 (1.08%) Payment Gateway
Cloud Services
1 14 (15.05%) AWS
2 13 (13.98%) Azure
3 10 (10.75%) GCP
4 8 (8.60%) GitHub
5 7 (7.53%) Google Play
6 6 (6.45%) Firebase
7 5 (5.38%) GitHub Actions
7 5 (5.38%) Sentry
8 2 (2.15%) Adobe Analytics
8 2 (2.15%) Amazon ECS
9 1 (1.08%) Amazon CloudWatch
9 1 (1.08%) Amazon SQS
9 1 (1.08%) AWS Lambda
9 1 (1.08%) Bitrise
9 1 (1.08%) Figma
9 1 (1.08%) Flurry Analytics
9 1 (1.08%) PubNub
9 1 (1.08%) Serverless
Communications & Networking
1 5 (5.38%) HTTP
2 1 (1.08%) Broadband
2 1 (1.08%) HTTPS
2 1 (1.08%) SSL
Database & Business Intelligence
1 10 (10.75%) MongoDB
2 9 (9.68%) PostgreSQL
3 8 (8.60%) Relational Database
4 5 (5.38%) MySQL
5 3 (3.23%) BigQuery
6 2 (2.15%) NoSQL
7 1 (1.08%) Apache Cassandra
7 1 (1.08%) HBase
7 1 (1.08%) Mixpanel
7 1 (1.08%) RDBMS
Development Applications
1 14 (15.05%) Git
2 12 (12.90%) JUnit
3 9 (9.68%) Android Studio
3 9 (9.68%) Gradle
4 8 (8.60%) Jenkins
4 8 (8.60%) JIRA
5 7 (7.53%) XCUITest
6 5 (5.38%) Appium
6 5 (5.38%) Bitbucket
6 5 (5.38%) Charles Proxy
6 5 (5.38%) CircleCI
6 5 (5.38%) Katalon Studio
6 5 (5.38%) Postman
7 4 (4.30%) IntelliJ
8 2 (2.15%) Mockito
9 1 (1.08%) GitLab
9 1 (1.08%) Maven
9 1 (1.08%) SonarQube
9 1 (1.08%) Sonatype Nexus
9 1 (1.08%) Xcode
General
1 43 (46.24%) Finance
2 23 (24.73%) Social Skills
3 15 (16.13%) Banking
4 13 (13.98%) Front Office
5 5 (5.38%) Public Sector
6 2 (2.15%) Influencing Skills
7 1 (1.08%) Analytical Skills
7 1 (1.08%) Automotive
7 1 (1.08%) Investment Banking
7 1 (1.08%) Law
7 1 (1.08%) Military
7 1 (1.08%) Police
7 1 (1.08%) Retail
7 1 (1.08%) Telecoms
7 1 (1.08%) Wearables
Job Titles
1 58 (62.37%) Developer
2 26 (27.96%) Android Developer
3 15 (16.13%) Senior
4 10 (10.75%) Java Developer
5 9 (9.68%) Front Office Developer
5 9 (9.68%) Senior Developer
6 8 (8.60%) Java Engineer
7 6 (6.45%) iOS Developer
8 5 (5.38%) Android Engineer
8 5 (5.38%) Mobile Developer
8 5 (5.38%) Software Engineer
9 4 (4.30%) Lead
9 4 (4.30%) Lead Developer
9 4 (4.30%) Mobile Engineer
9 4 (4.30%) QA Engineer
10 3 (3.23%) Full-Stack Developer
10 3 (3.23%) Lead Android Developer
10 3 (3.23%) Quality Engineer
10 3 (3.23%) Security Engineer
10 3 (3.23%) Senior Quality Engineer
Libraries, Frameworks & Software Standards
1 20 (21.51%) Android Jetpack
2 19 (20.43%) RESTful
3 18 (19.35%) Jetpack Compose
4 10 (10.75%) Android SDK
4 10 (10.75%) Dagger
4 10 (10.75%) RxJava
4 10 (10.75%) Spring
5 8 (8.60%) React
6 7 (7.53%) REST
6 7 (7.53%) Spring Boot
7 6 (6.45%) GraphQL
7 6 (6.45%) iOS SDK
8 5 (5.38%) Web Services
9 4 (4.30%) Android NDK
9 4 (4.30%) AngularJS
9 4 (4.30%) JNI
9 4 (4.30%) RAML
9 4 (4.30%) React Native
9 4 (4.30%) Redux
9 4 (4.30%) WireMock
Miscellaneous
1 28 (30.11%) Mobile App
2 6 (6.45%) Greenfield Project
3 5 (5.38%) Cloud Native
3 5 (5.38%) Data Protection Act
4 4 (4.30%) Augmented Reality
4 4 (4.30%) Embedded Systems
4 4 (4.30%) Virtual Reality
5 3 (3.23%) Data Structures
5 3 (3.23%) Distributed Systems
5 3 (3.23%) Product Ownership
6 2 (2.15%) Algorithms
6 2 (2.15%) Legacy Systems
6 2 (2.15%) Virtual Team
7 1 (1.08%) Blockchain
7 1 (1.08%) Infotainment
7 1 (1.08%) Legacy Applications
7 1 (1.08%) Legacy Code
7 1 (1.08%) Mobile Banking
7 1 (1.08%) Music Streaming
7 1 (1.08%) NHS
Operating Systems
1 45 (48.39%) Android
2 21 (22.58%) Apple iOS
3 8 (8.60%) Linux
4 4 (4.30%) Mac OS
5 3 (3.23%) Windows
6 1 (1.08%) Unix
Processes & Methodologies
1 33 (35.48%) Agile
2 29 (31.18%) Android Development
2 29 (31.18%) CI/CD
3 19 (20.43%) MVVM
4 18 (19.35%) Fintech
4 18 (19.35%) User Experience
5 16 (17.20%) Unit Testing
6 15 (16.13%) DevOps
6 15 (16.13%) Test Automation
7 13 (13.98%) Containerisation
7 13 (13.98%) Microservices
8 12 (12.90%) Analytics
8 12 (12.90%) Architectural Patterns
8 12 (12.90%) Mobile Development
9 11 (11.83%) Computer Science
10 9 (9.68%) Continuous Integration
10 9 (9.68%) OO
10 9 (9.68%) Problem-Solving
11 8 (8.60%) Clean Code
11 8 (8.60%) Design Patterns
Programming Languages
1 62 (66.67%) Java
2 15 (16.13%) Swift
3 13 (13.98%) C++
4 12 (12.90%) TypeScript
5 8 (8.60%) Python
5 8 (8.60%) SQL
6 7 (7.53%) JavaScript
7 6 (6.45%) Objective-C
7 6 (6.45%) Rust
7 6 (6.45%) Scala
8 2 (2.15%) C#
8 2 (2.15%) Go
8 2 (2.15%) PHP
8 2 (2.15%) Ruby
8 2 (2.15%) VB
9 1 (1.08%) Clojure
9 1 (1.08%) Groovy
Qualifications
1 10 (10.75%) Degree
2 5 (5.38%) Master's Degree
3 3 (3.23%) Security Cleared
4 2 (2.15%) SC Cleared
5 1 (1.08%) Computer Science Degree
Quality Assurance & Compliance
1 13 (13.98%) QA
2 12 (12.90%) Accessibility
System Software
1 13 (13.98%) Docker
Systems Management
1 15 (16.13%) Kubernetes
2 2 (2.15%) Terraform
Vendors
1 13 (13.98%) Google
2 8 (8.60%) Databricks
3 5 (5.38%) Microsoft
3 5 (5.38%) Splunk
4 3 (3.23%) Alibaba
5 2 (2.15%) Adobe
5 2 (2.15%) Oracle
6 1 (1.08%) Xamarin