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 vacancies from the 6 months leading up to 18 September 2025, with comparisons to the same periods in the previous two years.

6 months to
18 Sep 2025
Same period 2024 Same period 2023
Rank 262 170 279
Rank change year-on-year -92 +109 +37
Contract jobs citing Kotlin 100 245 163
As % of all contract jobs advertised in London 0.74% 1.50% 0.75%
As % of the Programming Languages category 1.93% 3.74% 1.98%
Number of daily rates quoted 59 150 138
10th Percentile £395 £375 £454
25th Percentile £469 £410 £513
Median daily rate (50th Percentile) £520 £475 £625
Median % change year-on-year +9.47% -24.00% +7.76%
75th Percentile £703 £537 £723
90th Percentile £810 £600 £750
England median daily rate £475 £475 £625
% change year-on-year - -24.00% +5.93%
Number of hourly rates quoted 2 4 0
10th Percentile £57.43 £37.90 -
25th Percentile £59.19 £39.62 -
Median hourly rate £63.75 £41.33 -
Median % change year-on-year +54.26% - -
75th Percentile £68.69 £41.88 -
90th Percentile £70.68 £42.10 -
England median hourly rate £63.75 £41.33 £76.25
% change year-on-year +54.26% -45.80% +3.61%

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 5,186 6,553 8,242
As % of all contract IT jobs advertised in London 38.57% 40.23% 37.87%
Number of daily rates quoted 3,566 4,698 6,182
10th Percentile £372 £364 £400
25th Percentile £426 £463 £475
Median daily rate (50th Percentile) £550 £575 £600
Median % change year-on-year -4.35% -4.17% -
75th Percentile £688 £700 £725
90th Percentile £825 £850 £825
England median daily rate £513 £548 £550
% change year-on-year -6.39% -0.45% -4.35%
Number of hourly rates quoted 65 42 72
10th Percentile £26.71 £25.32 £25.80
25th Percentile £33.25 £33.99 £39.75
Median hourly rate £45.00 £47.50 £60.00
Median % change year-on-year -5.26% -20.83% +13.78%
75th Percentile £63.75 £60.45 £72.13
90th Percentile £87.00 £78.50 £86.40
England median hourly rate £56.25 £65.00 £65.00
% change year-on-year -13.46% - +13.04%

Kotlin
Job Vacancy Trend in London

Job postings citing Kotlin as a proportion of all IT jobs advertised in London.

Job vacancy trend for Kotlin 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 18 September 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 18 September 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 18 September 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 -28 4 £660 +29.41% 3
West London -11 1 £300 -1.64% 1
Kotlin
England

Kotlin
Co-occurring Skills and Capabilities in London 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 9 (9.00%) Confluence
2 1 (1.00%) Solana
Business Applications
1 1 (1.00%) Distributed Ledger
1 1 (1.00%) Payment Gateway
1 1 (1.00%) Shopify
Cloud Services
1 21 (21.00%) AWS
2 19 (19.00%) GitHub
3 13 (13.00%) Azure
4 10 (10.00%) GitHub Actions
5 8 (8.00%) GCP
6 5 (5.00%) Firebase
7 4 (4.00%) Sentry
8 2 (2.00%) Google Play
9 1 (1.00%) Amazon ECS
9 1 (1.00%) Amazon SQS
9 1 (1.00%) Azure DevOps
9 1 (1.00%) BigCommerce
9 1 (1.00%) Figma
9 1 (1.00%) Flurry Analytics
9 1 (1.00%) PubNub
Communications & Networking
1 4 (4.00%) HTTP
2 1 (1.00%) Broadband
2 1 (1.00%) HTTPS
2 1 (1.00%) SSL
Database & Business Intelligence
1 6 (6.00%) PostgreSQL
2 3 (3.00%) BigQuery
2 3 (3.00%) MongoDB
2 3 (3.00%) MySQL
2 3 (3.00%) Relational Database
3 1 (1.00%) Mixpanel
3 1 (1.00%) NoSQL
3 1 (1.00%) RDBMS
Development Applications
1 11 (11.00%) Git
1 11 (11.00%) JUnit
2 10 (10.00%) CircleCI
2 10 (10.00%) JIRA
3 9 (9.00%) Jenkins
4 8 (8.00%) Gradle
5 6 (6.00%) Postman
6 5 (5.00%) XCUITest
7 4 (4.00%) Appium
7 4 (4.00%) Bitbucket
7 4 (4.00%) Charles Proxy
7 4 (4.00%) IntelliJ
7 4 (4.00%) Katalon Studio
8 3 (3.00%) Android Studio
9 2 (2.00%) Mockito
9 2 (2.00%) SonarQube
10 1 (1.00%) Eclipse
10 1 (1.00%) Gatling
10 1 (1.00%) GitLab
10 1 (1.00%) Sonatype Nexus
General
1 35 (35.00%) Finance
2 25 (25.00%) Social Skills
3 17 (17.00%) Banking
4 5 (5.00%) Analytical Skills
4 5 (5.00%) Public Sector
5 3 (3.00%) Front Office
6 2 (2.00%) Influencing Skills
6 2 (2.00%) Military
6 2 (2.00%) Retail
7 1 (1.00%) Inclusion and Diversity
7 1 (1.00%) Investment Banking
7 1 (1.00%) Telecoms
7 1 (1.00%) Wearables
Job Titles
1 47 (47.00%) Developer
2 32 (32.00%) Android Developer
3 21 (21.00%) Senior
4 13 (13.00%) Java Engineer
5 10 (10.00%) Android Engineer
6 9 (9.00%) Architect
7 8 (8.00%) Java Developer
7 8 (8.00%) Technical Architect
8 6 (6.00%) Senior Developer
9 5 (5.00%) Lead
9 5 (5.00%) Lead Developer
9 5 (5.00%) Senior Architect
9 5 (5.00%) Senior Technical Architect
10 4 (4.00%) iOS Developer
10 4 (4.00%) Lead Android Developer
10 4 (4.00%) Security Engineer
10 4 (4.00%) Senior Android Developer
10 4 (4.00%) Senior Android Engineer
10 4 (4.00%) Software Engineer
11 3 (3.00%) Full-Stack Developer
Libraries, Frameworks & Software Standards
1 16 (16.00%) Dagger
2 14 (14.00%) Android Jetpack
3 13 (13.00%) Android SDK
4 12 (12.00%) RESTful
5 10 (10.00%) Jetpack Compose
5 10 (10.00%) RxJava
6 7 (7.00%) Spring
7 6 (6.00%) iOS SDK
7 6 (6.00%) React
8 5 (5.00%) REST
8 5 (5.00%) Spring Boot
9 4 (4.00%) Android NDK
9 4 (4.00%) AngularJS
9 4 (4.00%) JNI
9 4 (4.00%) Material Design
9 4 (4.00%) Retrofit
9 4 (4.00%) Smart Contracts
9 4 (4.00%) Web Services
10 3 (3.00%) OkHttp
10 3 (3.00%) WireMock
Miscellaneous
1 28 (28.00%) Mobile App
2 5 (5.00%) Cloud Native
2 5 (5.00%) Legacy Applications
2 5 (5.00%) Public Cloud
3 4 (4.00%) Augmented Reality
3 4 (4.00%) Data Protection Act
3 4 (4.00%) Embedded Systems
3 4 (4.00%) Virtual Reality
4 3 (3.00%) Distributed Systems
4 3 (3.00%) Product Ownership
5 2 (2.00%) Algorithms
5 2 (2.00%) Data Structures
5 2 (2.00%) Educational Technology
5 2 (2.00%) Greenfield Project
6 1 (1.00%) Blockchain
6 1 (1.00%) Cyber Threat
6 1 (1.00%) Digital Wallet
6 1 (1.00%) Mobile Banking
Operating Systems
1 53 (53.00%) Android
2 15 (15.00%) Apple iOS
3 9 (9.00%) Linux
4 5 (5.00%) Windows
5 4 (4.00%) Mac OS
Processes & Methodologies
1 37 (37.00%) Agile
2 33 (33.00%) Android Development
3 29 (29.00%) MVVM
4 28 (28.00%) CI/CD
5 20 (20.00%) User Experience
6 19 (19.00%) Microservices
7 18 (18.00%) Architectural Patterns
8 16 (16.00%) Fintech
9 15 (15.00%) Design Patterns
10 14 (14.00%) Test Automation
11 12 (12.00%) DevOps
12 11 (11.00%) Mobile Development
13 10 (10.00%) Computer Science
13 10 (10.00%) Problem-Solving
13 10 (10.00%) Roadmaps
13 10 (10.00%) SDLC
13 10 (10.00%) TDD
13 10 (10.00%) Unit Testing
14 9 (9.00%) Code Quality
14 9 (9.00%) Continuous Integration
Programming Languages
1 63 (63.00%) Java
2 18 (18.00%) TypeScript
3 14 (14.00%) Python
4 12 (12.00%) C++
5 11 (11.00%) Swift
6 7 (7.00%) Rust
6 7 (7.00%) SQL
7 5 (5.00%) JavaScript
7 5 (5.00%) Objective-C
8 3 (3.00%) Scala
9 2 (2.00%) C#
9 2 (2.00%) PHP
9 2 (2.00%) Ruby
9 2 (2.00%) VB
10 1 (1.00%) Ada
10 1 (1.00%) Go
10 1 (1.00%) Groovy
Qualifications
1 9 (9.00%) Degree
2 6 (6.00%) SC Cleared
2 6 (6.00%) Security Cleared
3 4 (4.00%) Master's Degree
4 1 (1.00%) Computer Science Degree
Quality Assurance & Compliance
1 17 (17.00%) Accessibility
2 11 (11.00%) QA
3 3 (3.00%) Data Quality
4 1 (1.00%) WCAG
System Software
1 9 (9.00%) Docker
Systems Management
1 16 (16.00%) Kubernetes
2 12 (12.00%) Terraform
3 7 (7.00%) Grafana
3 7 (7.00%) Prometheus
Vendors
1 8 (8.00%) Google
2 7 (7.00%) Microsoft
3 5 (5.00%) Alibaba
4 4 (4.00%) Splunk
5 3 (3.00%) Databricks
6 1 (1.00%) Adobe
6 1 (1.00%) Checkmarx
6 1 (1.00%) Salesforce
6 1 (1.00%) SAP
6 1 (1.00%) Sitecore
6 1 (1.00%) Virgin Media
6 1 (1.00%) Xamarin