Kotlin Contracts in the City of London

JetBrains Kotlin
Central London > City of London

The table below provides summary statistics for contract job vacancies advertised in the City of 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 26 August 2025, comparing them to the same period in the previous two years.

6 months to
26 Aug 2025
Same period 2024 Same period 2023
Rank 115 99 147
Rank change year-on-year -16 +48 -21
DemandTrendContract jobs citing Kotlin 6 25 20
As % of all contract jobs advertised in the City of London 0.33% 1.21% 0.62%
As % of the Programming Languages category 0.88% 3.32% 1.58%
Number of daily rates quoted 1 18 18
10th Percentile - £375 £561
25th Percentile - £413 £611
Median daily rate (50th Percentile) £660 £558 £638
Median % change year-on-year +18.39% -12.55% -
75th Percentile - £638 £725
90th Percentile - £740 £779
Central London median daily rate £660 £518 £638
% change year-on-year +27.54% -18.82% -

All Programming Languages
City of 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 the City of London.

DemandTrendContract vacancies with a requirement for coding skills 682 752 1,264
As % of all contract IT jobs advertised in the City of London 37.80% 36.29% 39.49%
Number of daily rates quoted 473 513 817
10th Percentile £393 £406 £413
25th Percentile £463 £481 £495
Median daily rate (50th Percentile) £600 £593 £601
Median % change year-on-year +1.27% -1.33% +0.08%
75th Percentile £690 £708 £738
90th Percentile £775 £825 £825
Central London median daily rate £580 £575 £600
% change year-on-year +0.87% -4.17% +2.13%
Number of hourly rates quoted 7 0 2
10th Percentile £22.05 - £18.53
25th Percentile £26.00 - £27.94
Median hourly rate £34.00 - £46.25
Median % change year-on-year - - -11.90%
75th Percentile £63.75 - £66.94
90th Percentile £73.75 - £77.78
Central London median hourly rate £42.72 £41.50 £46.25
% change year-on-year +2.94% -10.27% -11.90%

Kotlin
Job Vacancy Trend in the City of London

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

Job vacancy trend for Kotlin in the City of London

Kotlin
Daily Rate Trend in the City of London

Contractor daily rate distribution trend for jobs in the City of London citing Kotlin.

Contractor daily rate distribution trend for jobs in the City of London citing Kotlin

Kotlin
Hourly Rate Trend in the City of London

Contractor hourly rate distribution trend for jobs in the City of London citing Kotlin.

Contractor hourly rate distribution trend for jobs in the City of London citing Kotlin

Kotlin
Co-occurring Skills and Capabilities in the City of 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 1 (16.67%) Confluence
Cloud Services
1 5 (83.33%) AWS
2 1 (16.67%) Apple Pay
2 1 (16.67%) Azure
2 1 (16.67%) Firebase
2 1 (16.67%) GCP
2 1 (16.67%) GitHub
2 1 (16.67%) GitHub Actions
Development Applications
1 1 (16.67%) Android Studio
1 1 (16.67%) Bitbucket
1 1 (16.67%) CircleCI
1 1 (16.67%) Git
1 1 (16.67%) JIRA
General
1 3 (50.00%) Social Skills
2 2 (33.33%) Banking
2 2 (33.33%) Finance
3 1 (16.67%) Military
3 1 (16.67%) Public Sector
Job Titles
1 4 (66.67%) Android Developer
1 4 (66.67%) Developer
2 2 (33.33%) Architect
2 2 (33.33%) Technical Architect
3 1 (16.67%) iOS Android Developer
3 1 (16.67%) iOS Developer
3 1 (16.67%) Mobile Architect
3 1 (16.67%) Senior
3 1 (16.67%) Senior Architect
3 1 (16.67%) Senior Technical Architect
Libraries, Frameworks & Software Standards
1 4 (66.67%) GraphQL
2 3 (50.00%) Android Jetpack
2 3 (50.00%) Jetpack Compose
3 1 (16.67%) Apollo GraphQL
3 1 (16.67%) JWT
3 1 (16.67%) Node.js
3 1 (16.67%) OAuth
3 1 (16.67%) OAuth2
3 1 (16.67%) React Native
3 1 (16.67%) Redux
3 1 (16.67%) RESTful
3 1 (16.67%) Spring
3 1 (16.67%) Spring Boot
Miscellaneous
1 5 (83.33%) Mobile App
2 1 (16.67%) Product Ownership
2 1 (16.67%) Public Cloud
Operating Systems
1 5 (83.33%) Android
2 2 (33.33%) Apple iOS
Processes & Methodologies
1 5 (83.33%) CI/CD
2 4 (66.67%) Agile
2 4 (66.67%) Android Development
2 4 (66.67%) Mobile Application Development
2 4 (66.67%) Mobile Development
2 4 (66.67%) Scrum
3 3 (50.00%) B2C
3 3 (50.00%) Kanban
3 3 (50.00%) Performance Optimisation
3 3 (50.00%) Push Notifications
4 2 (33.33%) DevOps
4 2 (33.33%) Microservices
5 1 (16.67%) Analytics
5 1 (16.67%) Fintech
5 1 (16.67%) High Availability
5 1 (16.67%) iOS Development
5 1 (16.67%) KYC
5 1 (16.67%) Line Management
5 1 (16.67%) Performance Monitoring
5 1 (16.67%) User Experience
Programming Languages
1 3 (50.00%) Java
2 2 (33.33%) Swift
2 2 (33.33%) TypeScript
3 1 (16.67%) Objective-C
Qualifications
1 1 (16.67%) SC Cleared
1 1 (16.67%) Security Cleared
Quality Assurance & Compliance
1 1 (16.67%) Accessibility
1 1 (16.67%) Data Quality
Systems Management
1 1 (16.67%) Grafana
1 1 (16.67%) Kubernetes
1 1 (16.67%) Prometheus
1 1 (16.67%) Terraform
Vendors
1 1 (16.67%) Apple