Kotlin Contract Job Trends in Central London

JetBrains Kotlin
London > Central London

The table below provides summary statistics and contractor rates for jobs advertised in Central London requiring Kotlin skills. It covers contract job vacancies from the 6 months leading up to 13 December 2025, with comparisons to the same periods in the previous two years.

6 months to
13 Dec 2025
Same period 2024 Same period 2023
Rank 120 104 143
Rank change year-on-year -16 +39 -6
Contract jobs citing Kotlin 9 32 5
As % of all contract jobs in Central London 0.45% 1.34% 0.18%
As % of the Programming Languages category 1.34% 3.94% 0.51%
Number of daily rates quoted 5 19 4
10th Percentile £661 £408 £639
25th Percentile £663 £438 £660
Median daily rate (50th Percentile) £725 £510 £697
Median % change year-on-year +42.16% -26.80% +3.22%
75th Percentile £788 £595 £727
90th Percentile - £690 £731
London median daily rate £588 £500 £625
% change year-on-year +17.50% -20.00% +7.78%
Number of hourly rates quoted 0 2 0
Median hourly rate - £40.00 -
London median hourly rate £57.50 £40.08 -
% change year-on-year +43.47% - -

All Programming Languages
Central 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 Central London.

Contract vacancies with a requirement for coding skills 670 813 972
As % of all contract IT jobs advertised in Central London 33.84% 33.92% 34.46%
Number of daily rates quoted 486 527 699
10th Percentile £359 £413 £400
25th Percentile £434 £481 £475
Median daily rate (50th Percentile) £563 £585 £600
Median % change year-on-year -3.85% -2.50% -
75th Percentile £675 £698 £725
90th Percentile £775 £810 £850
London median daily rate £540 £575 £575
% change year-on-year -6.09% - -4.17%
Number of hourly rates quoted 9 5 1
10th Percentile £26.15 £38.35 -
25th Percentile £26.50 £40.75 £46.25
Median hourly rate £45.00 £41.50 £47.50
Median % change year-on-year +8.43% -12.63% -9.52%
75th Percentile £63.75 £112.00 £48.75
90th Percentile £68.75 - -
London median hourly rate £51.44 £51.50 £55.00
% change year-on-year -0.12% -6.36% -4.35%

Kotlin
Job Vacancy Trend in Central London

Historical trend showing the proportion of contract IT job postings citing Kotlin relative to all contract IT jobs advertised in Central London.

Kotlin job vacancy trend in Central London

Kotlin
Daily Rate Trend in Central London

Contractor daily rate distribution trend for jobs in Central London citing Kotlin.

Contractor daily rate distribution trend for jobs in Central London citing Kotlin

Kotlin
Hourly Rate Trend in Central London

Contractor hourly rate distribution trend for jobs in Central London citing Kotlin.

Contractor hourly rate distribution trend for jobs in Central London citing Kotlin

Kotlin
Contract Job Locations in Central 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 Central London region over the 6 months to 13 December 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
City of London -19 8 £725 +42.16% 2
West End of London +10 1 - -
Kotlin
London

Kotlin
Co-Occurring Skills & Capabilities in Central London by Category

The following tables expand on the one above by listing co-occurrences grouped by category. They cover the same employment type, locality and period, with up to 20 co-occurrences shown in each category:

Application Platforms
1 1 (11.11%) Confluence
Cloud Services
1 3 (33.33%) AWS
1 3 (33.33%) Azure
1 3 (33.33%) GCP
2 2 (22.22%) Firebase
2 2 (22.22%) Google Play
Database & Business Intelligence
1 2 (22.22%) MongoDB
1 2 (22.22%) MySQL
1 2 (22.22%) PostgreSQL
1 2 (22.22%) Relational Database
Development Applications
1 4 (44.44%) Git
2 2 (22.22%) JUnit
3 1 (11.11%) Android Studio
3 1 (11.11%) Bitbucket
3 1 (11.11%) JIRA
3 1 (11.11%) Mockito
General
1 5 (55.56%) Finance
2 3 (33.33%) Front Office
3 2 (22.22%) Banking
4 1 (11.11%) Social Skills
Job Titles
1 7 (77.78%) Developer
2 3 (33.33%) Front Office Developer
3 2 (22.22%) Android Developer
4 1 (11.11%) Architect
4 1 (11.11%) iOS Developer
4 1 (11.11%) Java Developer
4 1 (11.11%) Java Engineer
4 1 (11.11%) Mobile Architect
4 1 (11.11%) Mobile Developer
4 1 (11.11%) Technical Architect
4 1 (11.11%) Web Engineer
Libraries, Frameworks & Software Standards
1 3 (33.33%) Android Jetpack
1 3 (33.33%) Jetpack Compose
2 2 (22.22%) RESTful
2 2 (22.22%) RxJava
3 1 (11.11%) Apollo GraphQL
3 1 (11.11%) GraphQL
3 1 (11.11%) JWT
3 1 (11.11%) OAuth
3 1 (11.11%) OAuth2
3 1 (11.11%) React Native
3 1 (11.11%) Redux
3 1 (11.11%) Spring
3 1 (11.11%) Spring Boot
3 1 (11.11%) WSE
3 1 (11.11%) XML
3 1 (11.11%) Zustand
Miscellaneous
1 3 (33.33%) Mobile App
2 1 (11.11%) Product Ownership
Operating Systems
1 5 (55.56%) Android
2 3 (33.33%) Apple iOS
Processes & Methodologies
1 6 (66.67%) Agile
1 6 (66.67%) CI/CD
2 4 (44.44%) Analytics
2 4 (44.44%) Android Development
2 4 (44.44%) Microservices
3 3 (33.33%) Code Quality
3 3 (33.33%) Containerisation
3 3 (33.33%) DevOps
3 3 (33.33%) Mobile Development
3 3 (33.33%) MVVM
3 3 (33.33%) Scrum
3 3 (33.33%) Unit Testing
3 3 (33.33%) User Experience
4 2 (22.22%) Architectural Patterns
4 2 (22.22%) Data Migration
4 2 (22.22%) Decision-Making
4 2 (22.22%) Event-Driven
4 2 (22.22%) Event-Driven Architecture
4 2 (22.22%) iOS Development
4 2 (22.22%) Migration
Programming Languages
1 8 (88.89%) Java
2 2 (22.22%) Objective-C
2 2 (22.22%) Swift
2 2 (22.22%) TypeScript
3 1 (11.11%) Go
3 1 (11.11%) JavaScript
3 1 (11.11%) SQL
Quality Assurance & Compliance
1 1 (11.11%) Accessibility
1 1 (11.11%) QA
System Software
1 2 (22.22%) Docker
Systems Management
1 3 (33.33%) Kubernetes
Vendors
1 2 (22.22%) Databricks
1 2 (22.22%) Google
1 2 (22.22%) Oracle