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 1 May 2025, comparing them to the same period in the previous two years.

6 months to
1 May 2025
Same period 2024 Same period 2023
Rank 270 278 276
Rank change year-on-year +8 -2 +40
Contract jobs citing Kotlin 83 113 232
As % of all contract jobs advertised in London 0.66% 0.63% 0.86%
As % of the Programming Languages category 1.67% 1.76% 2.11%
Number of daily rates quoted 46 75 182
10th Percentile £385 £363 £463
25th Percentile £453 £450 £513
Median daily rate (50th Percentile) £525 £525 £591
Median % change year-on-year - -11.21% -5.40%
75th Percentile £666 £619 £675
90th Percentile £723 £750 £773
England median daily rate £500 £495 £580
% change year-on-year +1.01% -14.66% -3.33%
Number of hourly rates quoted 3 0 2
10th Percentile £36.65 - -
25th Percentile £39.13 - -
Median hourly rate £44.50 - £35.00
75th Percentile £53.63 - -
90th Percentile £58.35 - -
England median hourly rate £44.50 £80.50 £42.53
% change year-on-year -44.72% +89.30% -40.02%

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 4,959 6,430 11,021
As % of all contract IT jobs advertised in London 39.52% 36.06% 40.77%
Number of daily rates quoted 3,479 4,906 8,206
10th Percentile £380 £380 £413
25th Percentile £449 £463 £500
Median daily rate (50th Percentile) £550 £575 £600
Median % change year-on-year -4.35% -4.17% -
75th Percentile £712 £700 £738
90th Percentile £825 £825 £825
England median daily rate £525 £540 £565
% change year-on-year -2.78% -4.42% +2.73%
Number of hourly rates quoted 30 57 85
10th Percentile £29.07 £23.80 £34.55
25th Percentile £35.00 £36.25 £49.25
Median hourly rate £44.50 £50.50 £57.50
Median % change year-on-year -11.88% -12.17% +15.00%
75th Percentile £60.81 £61.75 £75.00
90th Percentile £69.38 £70.75 £83.45
England median hourly rate £62.75 £62.50 £61.84
% change year-on-year +0.40% +1.07% +23.68%

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 1 May 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
Hourly Rate Histogram in London

Hourly rate distribution of jobs citing Kotlin in London over the 6 months to 1 May 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 1 May 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 +2 9 £625 +6.38% 16
West London +7 1 £400 +21.21% 4
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 11 (13.25%) Confluence
Business Applications
1 1 (1.20%) Shopify
Cloud Services
1 23 (27.71%) AWS
2 14 (16.87%) GitHub
3 8 (9.64%) Azure
4 6 (7.23%) GitHub Actions
5 4 (4.82%) Amazon ECS
5 4 (4.82%) Amazon EKS
5 4 (4.82%) Azure Monitor
5 4 (4.82%) Figma
5 4 (4.82%) SonarCloud
6 3 (3.61%) AWS CloudFormation
6 3 (3.61%) Firebase
6 3 (3.61%) GCP
7 2 (2.41%) Apple Pay
8 1 (1.20%) BigCommerce
8 1 (1.20%) IaaS
8 1 (1.20%) PaaS
8 1 (1.20%) Sentry
8 1 (1.20%) Serverless
Communications & Networking
1 1 (1.20%) RTSP
Database & Business Intelligence
1 1 (1.20%) Big Data
1 1 (1.20%) MongoDB
1 1 (1.20%) PostgreSQL
1 1 (1.20%) Relational Database
Development Applications
1 11 (13.25%) JIRA
2 7 (8.43%) Git
3 5 (6.02%) Android Studio
3 5 (6.02%) CircleCI
4 4 (4.82%) Jenkins
5 3 (3.61%) Gradle
5 3 (3.61%) JUnit
5 3 (3.61%) Mockito
6 2 (2.41%) Bitbucket
6 2 (2.41%) GitLab
7 1 (1.20%) Appium
7 1 (1.20%) Cucumber
7 1 (1.20%) Cypress.io
7 1 (1.20%) Eclipse
7 1 (1.20%) Maven
7 1 (1.20%) Mercurial
7 1 (1.20%) Selenium
7 1 (1.20%) Spock
7 1 (1.20%) TestNG
General
1 27 (32.53%) Social Skills
2 18 (21.69%) Finance
3 8 (9.64%) Analytical Skills
3 8 (9.64%) Banking
4 4 (4.82%) Public Sector
5 3 (3.61%) Military
6 2 (2.41%) Games
6 2 (2.41%) Retail
7 1 (1.20%) Front Office
7 1 (1.20%) Inclusion and Diversity
Job Titles
1 44 (53.01%) Developer
2 28 (33.73%) Android Developer
3 25 (30.12%) Senior
4 13 (15.66%) Senior Developer
5 9 (10.84%) Android Engineer
5 9 (10.84%) Architect
5 9 (10.84%) Senior Android Developer
6 6 (7.23%) Java Developer
6 6 (7.23%) Java Engineer
7 5 (6.02%) Full-Stack Developer
7 5 (6.02%) Mobile Architect
7 5 (6.02%) Senior Android Engineer
8 4 (4.82%) Applications Developer
8 4 (4.82%) Full-Stack Engineer
8 4 (4.82%) Web Applications Developer
8 4 (4.82%) Web Developer
9 3 (3.61%) Lead Developer
9 3 (3.61%) Senior Technical Architect
9 3 (3.61%) Software Engineer
9 3 (3.61%) Technical Architect
Libraries, Frameworks & Software Standards
1 14 (16.87%) Android Jetpack
2 13 (15.66%) Android SDK
3 11 (13.25%) Dagger
4 9 (10.84%) Jetpack Compose
5 8 (9.64%) Spring
5 8 (9.64%) Spring Boot
6 5 (6.02%) AngularJS
6 5 (6.02%) HTML
6 5 (6.02%) RESTful
7 4 (4.82%) GraphQL
7 4 (4.82%) Kafka
7 4 (4.82%) OpenAPI
7 4 (4.82%) React Native
7 4 (4.82%) Swagger
8 3 (3.61%) CSS
8 3 (3.61%) Google Maps API
8 3 (3.61%) Material Design
8 3 (3.61%) Node.js
9 2 (2.41%) REST
9 2 (2.41%) UIKit
Miscellaneous
1 27 (32.53%) Mobile App
2 5 (6.02%) Algorithms
2 5 (6.02%) Data Structures
3 3 (3.61%) Cloud Native
3 3 (3.61%) Educational Technology
3 3 (3.61%) Public Cloud
4 2 (2.41%) Digital Wallet
4 2 (2.41%) Legacy Applications
4 2 (2.41%) Management Information System
4 2 (2.41%) Virtual Reality
5 1 (1.20%) Augmented Reality
5 1 (1.20%) Cyber Threat
5 1 (1.20%) Data Protection Act
5 1 (1.20%) Distributed Systems
5 1 (1.20%) Greenfield Project
5 1 (1.20%) Legacy Systems
5 1 (1.20%) Linux Command Line
5 1 (1.20%) Mobile Banking
5 1 (1.20%) Social Media
Operating Systems
1 44 (53.01%) Android
2 10 (12.05%) Apple iOS
3 3 (3.61%) Linux
4 2 (2.41%) Windows
Processes & Methodologies
1 36 (43.37%) Android Development
2 24 (28.92%) CI/CD
3 21 (25.30%) Agile
4 20 (24.10%) MVVM
5 16 (19.28%) Design Patterns
5 16 (19.28%) Mobile Development
6 15 (18.07%) Mobile Application Development
7 13 (15.66%) Problem-Solving
8 12 (14.46%) Performance Optimisation
9 11 (13.25%) Test Automation
10 10 (12.05%) User Experience
11 9 (10.84%) API Development
11 9 (10.84%) Full-Stack Development
11 9 (10.84%) Microservices
11 9 (10.84%) Push Notifications
12 8 (9.64%) Architectural Patterns
12 8 (9.64%) DevOps
12 8 (9.64%) Mentoring
13 7 (8.43%) Event-Driven
14 6 (7.23%) API Design
Programming Languages
1 45 (54.22%) Java
2 13 (15.66%) TypeScript
3 10 (12.05%) Swift
4 7 (8.43%) Python
5 6 (7.23%) JavaScript
6 4 (4.82%) SQL
7 2 (2.41%) C++
7 2 (2.41%) Go
7 2 (2.41%) Rust
8 1 (1.20%) Bash
8 1 (1.20%) Groovy
8 1 (1.20%) Objective-C
8 1 (1.20%) PowerShell
8 1 (1.20%) Scala
Qualifications
1 4 (4.82%) SC Cleared
1 4 (4.82%) Security Cleared
2 2 (2.41%) Computer Science Degree
2 2 (2.41%) Degree
Quality Assurance & Compliance
1 10 (12.05%) Accessibility
2 3 (3.61%) QA
System Software
1 12 (14.46%) Docker
Systems Management
1 9 (10.84%) Kubernetes
1 9 (10.84%) Terraform
2 3 (3.61%) Grafana
2 3 (3.61%) Prometheus
3 1 (1.20%) Ansible
Vendors
1 4 (4.82%) Microsoft
2 3 (3.61%) Google
3 2 (2.41%) Alibaba
3 2 (2.41%) Apple
3 2 (2.41%) Samsung
3 2 (2.41%) Spotify
3 2 (2.41%) Virgin Media
4 1 (1.20%) Adobe
4 1 (1.20%) Databricks
4 1 (1.20%) Salesforce
4 1 (1.20%) SAP
4 1 (1.20%) Sitecore