Kotlin Contracts

JetBrains Kotlin
UK

The following table provides summary statistics for contract job vacancies with a requirement for Kotlin skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Kotlin over the 6 months to 1 June 2024 with a comparison to the same period in the previous 2 years.

6 months to
1 Jun 2024
Same period 2023 Same period 2022
Rank 354 419 438
Rank change year-on-year +65 +19 -176
Contract jobs citing Kotlin 233 284 486
As % of all contract jobs advertised in the UK 0.54% 0.51% 0.55%
As % of the Programming Languages category 1.80% 1.49% 1.54%
Number of daily rates quoted 168 226 380
10th Percentile £350 £463 £456
25th Percentile £409 £513 £509
Median daily rate (50th Percentile) £495 £600 £584
Median % change year-on-year -17.50% +2.78% +11.19%
75th Percentile £600 £675 £680
90th Percentile £675 £750 £734
UK excluding London median daily rate £438 £550 £531
% change year-on-year -20.45% +3.53% +11.84%
Number of hourly rates quoted 3 2 10
10th Percentile £48.10 £39.50 £48.37
25th Percentile £59.13 £46.25 £66.13
Median hourly rate £80.00 £57.50 £73.60
Median % change year-on-year +39.13% -21.87% +14.99%
75th Percentile £81.75 £68.75 £77.09
90th Percentile £82.20 £75.50 £81.00
UK excluding London median hourly rate £80.50 £80.00 £72.50
% change year-on-year +0.63% +10.34% -

All Programming Languages
UK

Kotlin is in the Programming Languages category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies with a requirement for coding skills.

Contract vacancies with a requirement for coding skills 12,939 19,124 31,582
As % of all contract IT jobs advertised in the UK 30.05% 34.12% 36.06%
Number of daily rates quoted 9,176 13,793 23,095
10th Percentile £350 £388 £388
25th Percentile £425 £461 £456
Median daily rate (50th Percentile) £525 £550 £550
Median % change year-on-year -4.55% - +10.00%
75th Percentile £650 £680 £660
90th Percentile £763 £788 £750
UK excluding London median daily rate £488 £500 £500
% change year-on-year -2.50% - +14.94%
Number of hourly rates quoted 522 433 488
10th Percentile £31.25 £26.60 £19.52
25th Percentile £46.25 £50.00 £35.00
Median hourly rate £62.00 £62.50 £51.75
Median % change year-on-year -0.80% +20.77% +17.21%
75th Percentile £70.00 £70.00 £61.56
90th Percentile £77.50 £78.95 £71.98
UK excluding London median hourly rate £62.50 £62.50 £52.50
% change year-on-year - +19.05% +28.05%

Kotlin
Job Vacancy Trend

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

Job vacancy trend for Kotlin in the UK

Kotlin
Contractor Daily Rate Trend

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

Daily rate trend for Kotlin in the UK

Kotlin
Daily Rate Histogram

Daily rate distribution for jobs citing Kotlin over the 6 months to 1 June 2024.

Daily rate histogram for Kotlin in the UK

Kotlin
Contractor Hourly Rate Trend

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

Hourly rate trend for Kotlin in the UK

Kotlin
Hourly Rate Histogram

Hourly rate distribution of jobs citing Kotlin over the 6 months to 1 June 2024.

Hourly rate histogram for Kotlin in the UK

Kotlin
Top 12 Contract Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Kotlin within the UK over the 6 months to 1 June 2024. 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
England +36 202 £495 -17.50% 152
London +35 140 £525 -12.50% 111
Work from Home +40 72 £513 -14.58% 85
UK excluding London +64 70 £438 -20.45% 48
North of England +43 39 £438 -32.69% 13
North West +40 25 £485 -22.40% 9
Scotland - 16 £400 - 7
Yorkshire +19 14 £300 -57.14% 3
South East +11 10 £425 -19.05% 7
South West -2 3 £600 +14.29% 5
Midlands +16 2 £450 -35.71% 2
West Midlands +10 2 £450 -35.71% 2

Kotlin
Co-occurring Skills and Capabilities 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 9 (3.86%) Apache Spark
2 3 (1.29%) nginx
3 1 (0.43%) Cloud Foundry
3 1 (0.43%) Confluence
Business Applications
1 1 (0.43%) Payment Gateway
1 1 (0.43%) R3 Corda
1 1 (0.43%) SAP Hybris
Cloud Services
1 46 (19.74%) AWS
2 35 (15.02%) GitHub
3 25 (10.73%) Azure
4 23 (9.87%) GCP
5 9 (3.86%) GitHub Actions
6 6 (2.58%) Serverless
7 5 (2.15%) AWS CloudFormation
7 5 (2.15%) Entra ID
7 5 (2.15%) Firebase
8 4 (1.72%) Amazon SQS
8 4 (1.72%) AWS Lambda
8 4 (1.72%) Datadog
8 4 (1.72%) Flurry Analytics
8 4 (1.72%) PubNub
9 3 (1.29%) npm
9 3 (1.29%) Yarn
10 2 (0.86%) Amazon CloudWatch
10 2 (0.86%) Amazon Kinesis
10 2 (0.86%) Sentry
11 1 (0.43%) IaaS
Communications & Networking
1 4 (1.72%) SSL
2 3 (1.29%) AMQP
3 2 (0.86%) HTTP
4 1 (0.43%) Bluetooth
Database & Business Intelligence
1 13 (5.58%) Relational Database
2 6 (2.58%) DynamoDB
2 6 (2.58%) SQLite
3 5 (2.15%) MySQL
4 4 (1.72%) Mixpanel
4 4 (1.72%) MongoDB
5 1 (0.43%) Big Data
5 1 (0.43%) Data Warehouse
5 1 (0.43%) MariaDB
5 1 (0.43%) NoSQL
5 1 (0.43%) PostgreSQL
5 1 (0.43%) Redis
5 1 (0.43%) Scylla
Development Applications
1 27 (11.59%) Jenkins
2 24 (10.30%) Android Studio
3 22 (9.44%) Gradle
3 22 (9.44%) Postman
4 17 (7.30%) Git
5 15 (6.44%) Cypress.io
5 15 (6.44%) JUnit
5 15 (6.44%) Selenium
6 11 (4.72%) Appium
7 8 (3.43%) CircleCI
8 7 (3.00%) Mockito
9 5 (2.15%) JIRA
9 5 (2.15%) SonarQube
10 4 (1.72%) Cucumber
11 3 (1.29%) Bitbucket
11 3 (1.29%) IntelliJ
11 3 (1.29%) Katalon Studio
11 3 (1.29%) Mocha
12 2 (0.86%) Charles Proxy
12 2 (0.86%) GitLab
General
1 45 (19.31%) Social Skills
2 32 (13.73%) Finance
3 20 (8.58%) Banking
4 15 (6.44%) Back Office
5 13 (5.58%) Front Office
6 9 (3.86%) Public Sector
7 4 (1.72%) Investment Banking
8 3 (1.29%) Analytical Skills
8 3 (1.29%) Electronics
9 2 (0.86%) Retail Banking
10 1 (0.43%) Publishing
10 1 (0.43%) Retail
10 1 (0.43%) Telecoms
Job Titles
1 141 (60.52%) Developer
2 66 (28.33%) Android Developer
3 54 (23.18%) Senior
4 26 (11.16%) Java Developer
5 24 (10.30%) Senior Developer
6 21 (9.01%) Android Engineer
7 18 (7.73%) Full Stack Developer
8 17 (7.30%) React Developer
8 17 (7.30%) Software Engineer
9 13 (5.58%) Analyst
9 13 (5.58%) Test Analyst
10 12 (5.15%) Senior Android Developer
11 11 (4.72%) Backend Developer
11 11 (4.72%) Full Stack Engineer
11 11 (4.72%) Senior Analyst
11 11 (4.72%) Senior Test Analyst
12 10 (4.29%) Java Engineer
13 7 (3.00%) Full Stack Software Engineer
13 7 (3.00%) Mobile Developer
13 7 (3.00%) Software Developer
Libraries, Frameworks & Software Standards
1 34 (14.59%) React
1 34 (14.59%) RESTful
2 33 (14.16%) REST
3 32 (13.73%) Node.js
4 26 (11.16%) Spring
5 24 (10.30%) Android Jetpack
5 24 (10.30%) Jetpack Compose
6 21 (9.01%) Spring Boot
7 16 (6.87%) React Native
8 15 (6.44%) Kafka
9 14 (6.01%) GraphQL
10 13 (5.58%) RxJava
11 11 (4.72%) Jest
12 10 (4.29%) CSS
12 10 (4.29%) Dagger
13 9 (3.86%) HTML
13 9 (3.86%) Redux
14 8 (3.43%) Elastic Stack
14 8 (3.43%) Electron
14 8 (3.43%) RAML
Miscellaneous
1 64 (27.47%) Mobile App
2 18 (7.73%) Data Structures
3 14 (6.01%) Distributed Systems
4 13 (5.58%) Algorithms
4 13 (5.58%) Product Ownership
5 11 (4.72%) Greenfield Project
6 10 (4.29%) Legacy Code
7 7 (3.00%) Fixed Income
8 5 (2.15%) Virtual Team
9 3 (1.29%) Animation
9 3 (1.29%) Legacy Systems
9 3 (1.29%) Mobile Banking
10 2 (0.86%) Augmented Reality
10 2 (0.86%) Blockchain
10 2 (0.86%) Distributed Architecture
10 2 (0.86%) Mixed Reality
11 1 (0.43%) Analytical Mindset
11 1 (0.43%) Cloud Native
11 1 (0.43%) Onboarding
11 1 (0.43%) Public Cloud
Operating Systems
1 129 (55.36%) Android
2 22 (9.44%) Apple iOS
3 2 (0.86%) Windows
3 2 (0.86%) Windows Server
4 1 (0.43%) Linux
Processes & Methodologies
1 74 (31.76%) Agile
2 73 (31.33%) Android Development
3 50 (21.46%) CI/CD
4 46 (19.74%) Test Automation
5 44 (18.88%) Continuous Integration
5 44 (18.88%) Software Engineering
6 30 (12.88%) SDLC
7 28 (12.02%) Full Stack Development
8 27 (11.59%) MVVM
8 27 (11.59%) Unit Testing
9 26 (11.16%) Microservices
10 23 (9.87%) User Experience
11 22 (9.44%) TDD
12 21 (9.01%) Fintech
13 20 (8.58%) Computer Science
13 20 (8.58%) Mobile Development
14 19 (8.15%) DevOps
14 19 (8.15%) Problem-Solving
15 17 (7.30%) Software Testing
16 15 (6.44%) Continuous Delivery
Programming Languages
1 118 (50.64%) Java
2 38 (16.31%) JavaScript
2 38 (16.31%) TypeScript
3 26 (11.16%) Python
4 20 (8.58%) Scala
5 18 (7.73%) Swift
6 10 (4.29%) Go
6 10 (4.29%) Objective-C
7 9 (3.86%) C#
8 7 (3.00%) SQL
9 3 (1.29%) C
9 3 (1.29%) C++
10 2 (0.86%) GLSL
10 2 (0.86%) HLSL
10 2 (0.86%) PHP
11 1 (0.43%) Ruby
Qualifications
1 21 (9.01%) Degree
2 17 (7.30%) Computer Science Degree
3 9 (3.86%) SC Cleared
3 9 (3.86%) Security Cleared
4 3 (1.29%) Master's Degree
5 2 (0.86%) ISTQB
6 1 (0.43%) ISTQB Foundation Certification
Quality Assurance & Compliance
1 10 (4.29%) QA
2 4 (1.72%) Accessibility
3 3 (1.29%) Cyber Essentials
3 3 (1.29%) ISO/IEC 27001
4 1 (0.43%) MiFID
System Software
1 20 (8.58%) Docker
2 5 (2.15%) Active Directory
3 2 (0.86%) Virtual Machines
Systems Management
1 25 (10.73%) Kubernetes
2 12 (5.15%) Terraform
3 11 (4.72%) Prometheus
4 8 (3.43%) Zipkin
5 5 (2.15%) Ansible
5 5 (2.15%) Grafana
6 1 (0.43%) Argo
Vendors
1 11 (4.72%) Microsoft
2 8 (3.43%) Apple
3 5 (2.15%) Checkmarx
4 4 (1.72%) Nokia
5 2 (0.86%) New Relic
5 2 (0.86%) SAP
5 2 (0.86%) Splunk
6 1 (0.43%) Ariba
6 1 (0.43%) Google
6 1 (0.43%) HP
6 1 (0.43%) IBM
6 1 (0.43%) ION Trading