Kotlin Contracts in London

JetBrains Kotlin
England > London

The table below provides summary statistics for contract job vacancies advertised in London requiring Kotlin skills. It includes a benchmarking guide to the contractor rates offered in vacancies that cited Kotlin over the 6 months leading up to 3 July 2025, comparing them to the same period in the previous two years.

6 months to
3 Jul 2025
Same period 2024 Same period 2023
Rank 271 248 296
Rank change year-on-year -23 +48 +9
Contract jobs citing Kotlin 89 163 197
As % of all contract jobs advertised in London 0.68% 0.92% 0.78%
As % of the Programming Languages category 1.73% 2.40% 1.96%
Number of daily rates quoted 47 112 157
10th Percentile £370 £375 £463
25th Percentile £454 £425 £525
Median daily rate (50th Percentile) £520 £513 £600
Median % change year-on-year +1.46% -14.58% -0.83%
75th Percentile £700 £600 £725
90th Percentile £734 £650 £775
England median daily rate £475 £495 £600
% change year-on-year -4.04% -17.50% +1.69%
Number of hourly rates quoted 1 1 0
10th Percentile - - -
25th Percentile £43.25 £40.75 -
Median hourly rate £44.50 £41.50 -
Median % change year-on-year +7.23% - -
75th Percentile £45.75 £42.25 -
90th Percentile - - -
England median hourly rate £44.50 £80.00 -
% change year-on-year -44.38% - -

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 5,152 6,798 10,075
As % of all contract IT jobs advertised in London 39.31% 38.57% 39.82%
Number of daily rates quoted 3,613 5,166 7,571
10th Percentile £375 £375 £406
25th Percentile £431 £460 £488
Median daily rate (50th Percentile) £550 £575 £600
Median % change year-on-year -4.35% -4.17% -
75th Percentile £700 £700 £738
90th Percentile £825 £849 £835
England median daily rate £520 £540 £555
% change year-on-year -3.70% -2.70% +0.18%
Number of hourly rates quoted 48 50 77
10th Percentile £27.08 £23.80 £25.55
25th Percentile £33.25 £34.82 £48.60
Median hourly rate £41.66 £49.75 £60.00
Median % change year-on-year -16.27% -17.08% +20.00%
75th Percentile £58.81 £62.23 £75.00
90th Percentile £81.88 £72.75 £87.94
England median hourly rate £56.38 £65.00 £62.50
% change year-on-year -13.27% +4.00% +18.99%

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
Contractor Daily Rate Trend in London

3-month moving average daily rate quoted in jobs citing Kotlin in London.

Daily rate trend for Kotlin in London

Kotlin
Daily Rate Histogram in London

Daily rate distribution for jobs citing Kotlin in London over the 6 months to 3 July 2025.

Daily rate histogram for Kotlin in London

Kotlin
Contractor Hourly Rate Trend in London

3-month moving average hourly rates quoted in jobs citing Kotlin in London.

Hourly rate trend 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 3 July 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 -10 6 £625 +5.04% 63
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 8 (8.99%) Confluence
Business Applications
1 1 (1.12%) Shopify
Cloud Services
1 23 (25.84%) AWS
2 19 (21.35%) GitHub
3 10 (11.24%) GitHub Actions
4 8 (8.99%) Azure
5 4 (4.49%) Firebase
6 3 (3.37%) Azure Monitor
6 3 (3.37%) GCP
7 2 (2.25%) AWS CloudFormation
8 1 (1.12%) Apple Pay
8 1 (1.12%) Azure DevOps
8 1 (1.12%) BigCommerce
8 1 (1.12%) Flurry Analytics
8 1 (1.12%) Google Play
8 1 (1.12%) IaaS
8 1 (1.12%) PaaS
8 1 (1.12%) PubNub
8 1 (1.12%) Serverless
Communications & Networking
1 1 (1.12%) RTSP
1 1 (1.12%) SSL
Database & Business Intelligence
1 1 (1.12%) Mixpanel
1 1 (1.12%) PostgreSQL
Development Applications
1 12 (13.48%) Git
2 10 (11.24%) CircleCI
3 9 (10.11%) Gradle
3 9 (10.11%) Jenkins
4 8 (8.99%) JIRA
5 6 (6.74%) Android Studio
5 6 (6.74%) JUnit
6 3 (3.37%) Bitbucket
6 3 (3.37%) Mockito
7 2 (2.25%) GitLab
7 2 (2.25%) Maven
7 2 (2.25%) Postman
8 1 (1.12%) Cypress.io
8 1 (1.12%) Eclipse
8 1 (1.12%) Gatling
8 1 (1.12%) Mercurial
8 1 (1.12%) REST Assured
8 1 (1.12%) SonarQube
8 1 (1.12%) Spock
8 1 (1.12%) XCUITest
General
1 26 (29.21%) Social Skills
2 22 (24.72%) Finance
3 14 (15.73%) Banking
4 7 (7.87%) Analytical Skills
5 6 (6.74%) Public Sector
6 4 (4.49%) Military
7 2 (2.25%) Retail
8 1 (1.12%) Inclusion and Diversity
Job Titles
1 44 (49.44%) Developer
2 35 (39.33%) Android Developer
3 26 (29.21%) Senior
4 12 (13.48%) Java Engineer
5 11 (12.36%) Android Engineer
5 11 (12.36%) Architect
5 11 (12.36%) Senior Developer
6 9 (10.11%) Technical Architect
7 8 (8.99%) Senior Android Developer
8 7 (7.87%) Senior Architect
8 7 (7.87%) Senior Technical Architect
9 5 (5.62%) Full-Stack Developer
9 5 (5.62%) Java Developer
10 4 (4.49%) Lead
10 4 (4.49%) Lead Android Developer
10 4 (4.49%) Lead Developer
10 4 (4.49%) Senior Android Engineer
11 3 (3.37%) Principal Engineer
11 3 (3.37%) Software Engineer
12 2 (2.25%) Development Engineer
Libraries, Frameworks & Software Standards
1 15 (16.85%) Android Jetpack
1 15 (16.85%) Android SDK
2 13 (14.61%) Dagger
3 12 (13.48%) Jetpack Compose
4 8 (8.99%) RESTful
5 7 (7.87%) RxJava
6 5 (5.62%) Node.js
7 4 (4.49%) HTML
7 4 (4.49%) Kafka
7 4 (4.49%) Material Design
7 4 (4.49%) React
7 4 (4.49%) Spring
7 4 (4.49%) Spring Boot
8 3 (3.37%) AngularJS
8 3 (3.37%) GraphQL
8 3 (3.37%) Retrofit
9 2 (2.25%) CSS
9 2 (2.25%) REST
10 1 (1.12%) ADO
10 1 (1.12%) SOAP
Miscellaneous
1 26 (29.21%) Mobile App
2 7 (7.87%) Public Cloud
3 5 (5.62%) Algorithms
3 5 (5.62%) Data Structures
3 5 (5.62%) Legacy Applications
4 3 (3.37%) Educational Technology
5 2 (2.25%) Cloud Native
5 2 (2.25%) Digital Wallet
5 2 (2.25%) Distributed Systems
6 1 (1.12%) Cyber Threat
6 1 (1.12%) Linux Command Line
6 1 (1.12%) Management Information System
6 1 (1.12%) Product Ownership
Operating Systems
1 48 (53.93%) Android
2 5 (5.62%) Apple iOS
3 3 (3.37%) Linux
4 2 (2.25%) Windows
Processes & Methodologies
1 37 (41.57%) Android Development
2 34 (38.20%) Agile
3 32 (35.96%) CI/CD
4 31 (34.83%) MVVM
5 22 (24.72%) Design Patterns
6 17 (19.10%) Architectural Patterns
6 17 (19.10%) Microservices
7 15 (16.85%) Mobile Development
7 15 (16.85%) User Experience
8 13 (14.61%) TDD
9 12 (13.48%) Test Automation
10 11 (12.36%) Continuous Integration
10 11 (12.36%) Event-Driven
10 11 (12.36%) Mobile Application Development
10 11 (12.36%) Performance Optimisation
10 11 (12.36%) Problem-Solving
11 10 (11.24%) Infrastructure as Code
11 10 (11.24%) Mentoring
11 10 (11.24%) Software Architecture
12 9 (10.11%) Domain-Driven Design
Programming Languages
1 54 (60.67%) Java
2 20 (22.47%) TypeScript
3 11 (12.36%) Python
4 5 (5.62%) JavaScript
4 5 (5.62%) SQL
5 4 (4.49%) Swift
6 3 (3.37%) Rust
7 2 (2.25%) C++
7 2 (2.25%) Go
8 1 (1.12%) Ada
8 1 (1.12%) Bash
8 1 (1.12%) Groovy
8 1 (1.12%) Objective-C
8 1 (1.12%) PHP
8 1 (1.12%) PowerShell
8 1 (1.12%) Ruby
8 1 (1.12%) Scala
8 1 (1.12%) VB
Qualifications
1 9 (10.11%) SC Cleared
1 9 (10.11%) Security Cleared
2 2 (2.25%) Computer Science Degree
2 2 (2.25%) Degree
Quality Assurance & Compliance
1 15 (16.85%) Accessibility
2 3 (3.37%) Data Quality
3 2 (2.25%) QA
4 1 (1.12%) WCAG
System Software
1 6 (6.74%) Docker
Systems Management
1 14 (15.73%) Terraform
2 13 (14.61%) Kubernetes
3 9 (10.11%) Grafana
3 9 (10.11%) Prometheus
4 1 (1.12%) Ansible
Vendors
1 5 (5.62%) Google
2 2 (2.25%) Alibaba
2 2 (2.25%) Microsoft
2 2 (2.25%) Virgin Media
3 1 (1.12%) Adobe
3 1 (1.12%) Apple
3 1 (1.12%) Checkmarx
3 1 (1.12%) Salesforce
3 1 (1.12%) SAP
3 1 (1.12%) Sitecore