Kotlin Contracts in England

JetBrains Kotlin
UK > England

The table below provides summary statistics for contract job vacancies advertised in England 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 2 July 2025, comparing them to the same period in the previous two years.

6 months to
2 Jul 2025
Same period 2024 Same period 2023
Rank 349 338 396
Rank change year-on-year -11 +58 -1
Contract jobs citing Kotlin 146 221 250
As % of all contract jobs advertised in England 0.57% 0.59% 0.53%
As % of the Programming Languages category 1.68% 1.93% 1.55%
Number of daily rates quoted 93 157 199
10th Percentile £355 £363 £463
25th Percentile £400 £425 £513
Median daily rate (50th Percentile) £475 £495 £600
Median % change year-on-year -4.04% -17.50% +1.69%
75th Percentile £575 £600 £675
90th Percentile £713 £660 £750
UK median daily rate £475 £495 £600
% change year-on-year -4.04% -17.50% +3.45%
Number of hourly rates quoted 1 3 0
10th Percentile - £48.10 -
25th Percentile £43.25 £59.13 -
Median hourly rate £44.50 £80.00 -
Median % change year-on-year -44.38% - -
75th Percentile £45.75 £81.75 -
90th Percentile - £82.20 -
UK median hourly rate £44.50 £80.00 -
% change year-on-year -44.38% - -

All Programming Languages
England

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 England.

Contract vacancies with a requirement for coding skills 8,704 11,480 16,109
As % of all contract IT jobs advertised in England 33.69% 30.75% 34.02%
Number of daily rates quoted 6,016 8,213 11,758
10th Percentile £353 £350 £375
25th Percentile £413 £425 £458
Median daily rate (50th Percentile) £521 £543 £555
Median % change year-on-year -4.01% -2.25% +0.18%
75th Percentile £638 £650 £688
90th Percentile £775 £788 £800
UK median daily rate £511 £525 £550
% change year-on-year -2.67% -4.55% -
Number of hourly rates quoted 215 482 407
10th Percentile £28.18 £35.59 £28.84
25th Percentile £36.25 £50.00 £50.00
Median hourly rate £56.75 £65.00 £62.50
Median % change year-on-year -12.69% +4.00% +19.05%
75th Percentile £68.00 £70.00 £70.30
90th Percentile £81.78 £77.38 £80.55
UK median hourly rate £55.00 £62.50 £62.50
% change year-on-year -12.00% - +19.05%

Kotlin
Job Vacancy Trend in England

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

Job vacancy trend for Kotlin in England

Kotlin
Contractor Daily Rate Trend in England

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

Daily rate trend for Kotlin in England

Kotlin
Daily Rate Histogram in England

Daily rate distribution for jobs citing Kotlin in England over the 6 months to 2 July 2025.

Daily rate histogram for Kotlin in England

Kotlin
Contractor Hourly Rate Trend in England

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

Hourly rate trend for Kotlin in England

Kotlin
Contract Job Locations in England

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Kotlin within the England region over the 6 months to 2 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
London -29 89 £520 +4.00% 500
North of England +7 34 £450 +1.41% 133
Yorkshire +4 20 £500 +66.67% 39
North West +2 14 £400 -19.19% 87
Midlands +14 9 £463 +2.78% 33
East Midlands - 9 £463 - 8
South East +47 4 £300 -29.41% 104
South West +37 1 £350 -30.00% 42
Kotlin
UK

Kotlin
Co-occurring Skills and Capabilities in England 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 (5.48%) Confluence
Applications
1 1 (0.68%) Stateflow
Business Applications
1 1 (0.68%) Shopify
Cloud Services
1 33 (22.60%) AWS
2 28 (19.18%) GitHub
3 19 (13.01%) Azure
4 13 (8.90%) GitHub Actions
5 10 (6.85%) GCP
6 8 (5.48%) Azure DevOps
7 6 (4.11%) Firebase
8 5 (3.42%) CloudBees
9 3 (2.05%) Azure Monitor
10 2 (1.37%) Amazon EKS
10 2 (1.37%) AWS CloudFormation
10 2 (1.37%) Azure AKS
10 2 (1.37%) Google Kubernetes Engine
10 2 (1.37%) IaaS
10 2 (1.37%) PaaS
11 1 (0.68%) Bitrise
11 1 (0.68%) Cloud Computing
11 1 (0.68%) Flurry Analytics
11 1 (0.68%) Google Play
11 1 (0.68%) PubNub
Communications & Networking
1 3 (2.05%) Firewall
2 1 (0.68%) RTSP
2 1 (0.68%) SSL
2 1 (0.68%) VoIP
Database & Business Intelligence
1 2 (1.37%) BigQuery
1 2 (1.37%) PostgreSQL
2 1 (0.68%) Apache Cassandra
2 1 (0.68%) Geospatial Data
2 1 (0.68%) Mixpanel
2 1 (0.68%) MongoDB
2 1 (0.68%) MySQL
2 1 (0.68%) NoSQL
2 1 (0.68%) Relational Database
Development Applications
1 30 (20.55%) Git
2 20 (13.70%) Jenkins
3 14 (9.59%) Gradle
4 12 (8.22%) CircleCI
5 9 (6.16%) JUnit
6 8 (5.48%) Android Studio
6 8 (5.48%) JIRA
7 5 (3.42%) Bitbucket
7 5 (3.42%) GitLab
8 4 (2.74%) Xcode
9 3 (2.05%) Mockito
10 2 (1.37%) Cypress.io
10 2 (1.37%) Maven
10 2 (1.37%) Postman
11 1 (0.68%) Crashlytics
11 1 (0.68%) Eclipse
11 1 (0.68%) Mercurial
11 1 (0.68%) REST Assured
11 1 (0.68%) Spock
11 1 (0.68%) XCUITest
General
1 31 (21.23%) Social Skills
2 28 (19.18%) Finance
3 26 (17.81%) Banking
4 9 (6.16%) Public Sector
5 8 (5.48%) Analytical Skills
6 6 (4.11%) Military
7 2 (1.37%) Retail
8 1 (0.68%) Inclusion and Diversity
8 1 (0.68%) Investment Banking
8 1 (0.68%) Telecoms
Job Titles
1 77 (52.74%) Developer
2 55 (37.67%) Android Developer
3 37 (25.34%) Senior
4 17 (11.64%) Android Engineer
5 15 (10.27%) Senior Developer
6 14 (9.59%) Architect
7 13 (8.90%) Java Engineer
8 12 (8.22%) Technical Architect
9 11 (7.53%) Senior Android Developer
10 10 (6.85%) Senior Architect
10 10 (6.85%) Senior Technical Architect
11 8 (5.48%) Full-Stack Developer
11 8 (5.48%) Lead
12 7 (4.79%) Java Developer
12 7 (4.79%) Senior Android Engineer
13 6 (4.11%) Full-Stack Engineer
13 6 (4.11%) iOS Developer
14 5 (3.42%) DevOps Engineer
14 5 (3.42%) Lead Developer
15 4 (2.74%) Software Engineer
Libraries, Frameworks & Software Standards
1 34 (23.29%) Android Jetpack
2 29 (19.86%) Jetpack Compose
3 23 (15.75%) Android SDK
4 18 (12.33%) RESTful
5 16 (10.96%) Dagger
6 14 (9.59%) HTML
7 12 (8.22%) CSS
8 8 (5.48%) Node.js
9 7 (4.79%) React
9 7 (4.79%) RxJava
10 6 (4.11%) React Native
10 6 (4.11%) Spring Boot
11 5 (3.42%) Spring
12 4 (2.74%) AngularJS
12 4 (2.74%) Kafka
12 4 (2.74%) Material Design
12 4 (2.74%) Retrofit
13 3 (2.05%) GraphQL
14 2 (1.37%) Express.js
14 2 (1.37%) REST
Miscellaneous
1 47 (32.19%) Mobile App
2 8 (5.48%) Public Cloud
3 6 (4.11%) Algorithms
3 6 (4.11%) Data Structures
4 5 (3.42%) Legacy Applications
5 4 (2.74%) Mobile Banking
6 3 (2.05%) Educational Technology
6 3 (2.05%) Hybrid Cloud
7 2 (1.37%) Cloud Native
7 2 (1.37%) Data Protection Act
7 2 (1.37%) Digital Wallet
7 2 (1.37%) Distributed Systems
7 2 (1.37%) Product Ownership
7 2 (1.37%) Video\Live Streaming
8 1 (0.68%) Cyber Threat
8 1 (0.68%) Greenfield Project
8 1 (0.68%) Linux Command Line
8 1 (0.68%) Management Information System
Operating Systems
1 78 (53.42%) Android
2 10 (6.85%) Apple iOS
3 3 (2.05%) Linux
4 2 (1.37%) Windows
Processes & Methodologies
1 71 (48.63%) Agile
2 63 (43.15%) CI/CD
3 58 (39.73%) Android Development
4 39 (26.71%) MVVM
5 37 (25.34%) TDD
6 32 (21.92%) Design Patterns
7 28 (19.18%) Mentoring
7 28 (19.18%) User Experience
8 26 (17.81%) Architectural Patterns
9 25 (17.12%) DevOps
10 24 (16.44%) Scrum
11 22 (15.07%) Mobile Development
12 21 (14.38%) Microservices
12 21 (14.38%) Test Automation
13 17 (11.64%) Architectural Design
13 17 (11.64%) Continuous Integration
14 16 (10.96%) Problem-Solving
15 15 (10.27%) Performance Optimisation
15 15 (10.27%) Unit Testing
16 14 (9.59%) Software Architecture
Programming Languages
1 82 (56.16%) Java
2 26 (17.81%) TypeScript
3 24 (16.44%) Python
4 21 (14.38%) JavaScript
5 11 (7.53%) Swift
6 8 (5.48%) Objective-C
7 6 (4.11%) C++
7 6 (4.11%) Go
7 6 (4.11%) Scala
8 5 (3.42%) Ruby
8 5 (3.42%) Shell Script
8 5 (3.42%) SQL
9 4 (2.74%) C
10 3 (2.05%) Groovy
10 3 (2.05%) Rust
11 1 (0.68%) Ada
11 1 (0.68%) Bash
11 1 (0.68%) PHP
11 1 (0.68%) PowerShell
11 1 (0.68%) VB
Qualifications
1 16 (10.96%) Security Cleared
2 14 (9.59%) SC Cleared
3 3 (2.05%) CCNA
3 3 (2.05%) Cisco Certification
3 3 (2.05%) Computer Science Degree
3 3 (2.05%) Degree
3 3 (2.05%) Network+ Certification
4 2 (1.37%) AWS Certification
4 2 (1.37%) Azure Certification
Quality Assurance & Compliance
1 19 (13.01%) Accessibility
2 4 (2.74%) QA
3 3 (2.05%) Data Quality
4 1 (0.68%) Software Quality Assurance
4 1 (0.68%) WCAG
System Software
1 8 (5.48%) Docker
Systems Management
1 20 (13.70%) Kubernetes
2 17 (11.64%) Terraform
3 16 (10.96%) Grafana
4 13 (8.90%) Prometheus
5 1 (0.68%) Ansible
Vendors
1 9 (6.16%) Google
2 2 (1.37%) Alibaba
2 2 (1.37%) Microsoft
2 2 (1.37%) Oracle
2 2 (1.37%) Virgin Media
3 1 (0.68%) Adobe
3 1 (0.68%) Apple
3 1 (0.68%) Checkmarx
3 1 (0.68%) Salesforce
3 1 (0.68%) SAP
3 1 (0.68%) Sitecore