Kotlin Contracts

JetBrains Kotlin
UK

The table below provides summary statistics for contract job vacancies 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 18 June 2024, comparing them to the same period in the previous two years.

6 months to
18 Jun 2024
Same period 2023 Same period 2022
Rank 342 435 432
Rank change year-on-year +93 -3 -171
Contract jobs citing Kotlin 250 275 486
As % of all contract jobs advertised in the UK 0.57% 0.50% 0.56%
As % of the Programming Languages category 1.90% 1.45% 1.54%
Number of daily rates quoted 181 221 381
10th Percentile £350 £463 £456
25th Percentile £400 £513 £513
Median daily rate (50th Percentile) £475 £600 £580
Median % change year-on-year -20.83% +3.45% +10.48%
75th Percentile £600 £675 £680
90th Percentile £675 £750 £715
UK excluding London median daily rate £438 £538 £531
% change year-on-year -18.60% +1.18% +14.86%
Number of hourly rates quoted 3 1 10
10th Percentile £48.10 - £48.37
25th Percentile £59.13 - £66.13
Median hourly rate £80.00 £35.00 £73.60
Median % change year-on-year +128.57% -52.44% +14.99%
75th Percentile £81.75 - £77.09
90th Percentile £82.20 - £81.00
UK excluding London median hourly rate £80.50 - £72.50
% change year-on-year - - +13.28%

All Programming Languages
UK

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.

Contract vacancies with a requirement for coding skills 13,173 18,905 31,483
As % of all contract IT jobs advertised in the UK 30.16% 34.04% 36.12%
Number of daily rates quoted 9,279 13,615 23,014
10th Percentile £350 £381 £388
25th Percentile £425 £456 £460
Median daily rate (50th Percentile) £525 £550 £550
Median % change year-on-year -4.55% - +10.00%
75th Percentile £650 £678 £663
90th Percentile £765 £788 £763
UK excluding London median daily rate £489 £500 £500
% change year-on-year -2.20% - +14.29%
Number of hourly rates quoted 534 437 496
10th Percentile £31.55 £30.45 £19.50
25th Percentile £46.25 £50.00 £35.00
Median hourly rate £62.50 £62.50 £52.25
Median % change year-on-year - +19.62% +16.76%
75th Percentile £70.00 £70.25 £61.75
90th Percentile £75.88 £79.19 £70.38
UK excluding London median hourly rate £62.50 £62.50 £52.50
% change year-on-year - +19.05% +24.26%

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 18 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 18 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 18 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 +62 219 £475 -20.83% 135
London +38 156 £500 -16.67% 97
Work from Home +57 80 £500 -16.67% 100
UK excluding London +60 70 £438 -18.60% 46
North of England +42 39 £438 -31.37% 11
North West +34 25 £485 -22.40% 7
Scotland - 16 £400 - 5
Yorkshire +20 14 £300 -57.14% 4
South East +15 10 £425 -19.05% 9
South West -6 3 £600 +14.29% 7
West Midlands +14 2 £450 -35.71% 1
Midlands +10 2 £450 -35.71% 1

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 (3.60%) Apache Spark
2 3 (1.20%) nginx
3 1 (0.40%) Cloud Foundry
3 1 (0.40%) Confluence
Business Applications
1 1 (0.40%) Payment Gateway
1 1 (0.40%) R3 Corda
1 1 (0.40%) SAP Hybris
Cloud Services
1 50 (20.00%) AWS
2 34 (13.60%) GitHub
3 27 (10.80%) Azure
4 24 (9.60%) GCP
5 8 (3.20%) GitHub Actions
6 7 (2.80%) AWS CloudFormation
6 7 (2.80%) Entra ID
7 6 (2.40%) Serverless
8 5 (2.00%) Firebase
9 4 (1.60%) Amazon SQS
9 4 (1.60%) AWS Lambda
9 4 (1.60%) Datadog
9 4 (1.60%) Flurry Analytics
9 4 (1.60%) PubNub
10 3 (1.20%) npm
10 3 (1.20%) Yarn
11 2 (0.80%) Amazon CloudWatch
11 2 (0.80%) Amazon Kinesis
11 2 (0.80%) Sentry
12 1 (0.40%) IaaS
Communications & Networking
1 4 (1.60%) SSL
2 3 (1.20%) AMQP
3 2 (0.80%) HTTP
4 1 (0.40%) Bluetooth
Database & Business Intelligence
1 13 (5.20%) Relational Database
2 9 (3.60%) DynamoDB
3 8 (3.20%) MySQL
4 6 (2.40%) SQLite
5 4 (1.60%) Mixpanel
5 4 (1.60%) MongoDB
6 1 (0.40%) Big Data
6 1 (0.40%) Data Warehouse
6 1 (0.40%) MariaDB
6 1 (0.40%) NoSQL
6 1 (0.40%) PostgreSQL
6 1 (0.40%) Redis
6 1 (0.40%) Scylla
Development Applications
1 27 (10.80%) Jenkins
2 24 (9.60%) Android Studio
3 22 (8.80%) Postman
4 20 (8.00%) Gradle
5 18 (7.20%) Git
6 16 (6.40%) Cypress.io
7 15 (6.00%) JUnit
7 15 (6.00%) Selenium
8 11 (4.40%) Appium
9 8 (3.20%) Mockito
10 7 (2.80%) CircleCI
11 5 (2.00%) JIRA
11 5 (2.00%) SonarQube
12 4 (1.60%) Cucumber
13 3 (1.20%) Bitbucket
13 3 (1.20%) IntelliJ
13 3 (1.20%) Katalon Studio
13 3 (1.20%) Mocha
14 2 (0.80%) Charles Proxy
14 2 (0.80%) XCUITest
General
1 47 (18.80%) Social Skills
2 31 (12.40%) Finance
3 20 (8.00%) Banking
4 15 (6.00%) Back Office
5 14 (5.60%) Front Office
6 9 (3.60%) Public Sector
7 4 (1.60%) Investment Banking
8 3 (1.20%) Analytical Skills
8 3 (1.20%) Electronics
8 3 (1.20%) Retail
9 2 (0.80%) Retail Banking
10 1 (0.40%) Military
10 1 (0.40%) Publishing
10 1 (0.40%) Telecoms
Job Titles
1 151 (60.40%) Developer
2 72 (28.80%) Android Developer
3 54 (21.60%) Senior
4 29 (11.60%) Java Developer
5 24 (9.60%) Senior Developer
6 20 (8.00%) Android Engineer
7 18 (7.20%) Full Stack Developer
8 16 (6.40%) Software Engineer
9 14 (5.60%) Java Engineer
9 14 (5.60%) React Developer
10 13 (5.20%) Analyst
10 13 (5.20%) Test Analyst
11 12 (4.80%) Senior Android Developer
12 11 (4.40%) Backend Developer
12 11 (4.40%) Senior Analyst
12 11 (4.40%) Senior Test Analyst
13 10 (4.00%) Full Stack Engineer
14 8 (3.20%) Mobile Engineer
15 7 (2.80%) Mobile Developer
15 7 (2.80%) Senior Android Engineer
Libraries, Frameworks & Software Standards
1 34 (13.60%) RESTful
2 33 (13.20%) React
3 32 (12.80%) Node.js
4 31 (12.40%) REST
5 27 (10.80%) Spring
6 26 (10.40%) Android Jetpack
6 26 (10.40%) Jetpack Compose
7 23 (9.20%) Spring Boot
8 15 (6.00%) Kafka
9 14 (5.60%) React Native
10 13 (5.20%) GraphQL
11 12 (4.80%) RxJava
12 11 (4.40%) CSS
12 11 (4.40%) Jest
13 10 (4.00%) Dagger
13 10 (4.00%) HTML
13 10 (4.00%) RabbitMQ
14 9 (3.60%) Android SDK
15 8 (3.20%) Elastic Stack
15 8 (3.20%) Redux
Miscellaneous
1 61 (24.40%) Mobile App
2 17 (6.80%) Data Structures
3 14 (5.60%) Distributed Systems
4 12 (4.80%) Algorithms
4 12 (4.80%) Product Ownership
5 11 (4.40%) Greenfield Project
6 8 (3.20%) Fixed Income
6 8 (3.20%) Legacy Code
7 4 (1.60%) Virtual Team
8 3 (1.20%) Animation
8 3 (1.20%) Legacy Systems
8 3 (1.20%) Mobile Banking
8 3 (1.20%) Team-Oriented Environment
9 2 (0.80%) Augmented Reality
9 2 (0.80%) Blockchain
9 2 (0.80%) Distributed Architecture
9 2 (0.80%) Mixed Reality
10 1 (0.40%) Analytical Mindset
10 1 (0.40%) Cloud Native
10 1 (0.40%) Web3
Operating Systems
1 138 (55.20%) Android
2 22 (8.80%) Apple iOS
3 2 (0.80%) Windows
3 2 (0.80%) Windows Server
4 1 (0.40%) Linux
Processes & Methodologies
1 79 (31.60%) Android Development
2 77 (30.80%) Agile
3 51 (20.40%) CI/CD
4 46 (18.40%) Test Automation
5 45 (18.00%) Software Engineering
6 42 (16.80%) Continuous Integration
7 31 (12.40%) Full Stack Development
8 30 (12.00%) SDLC
9 27 (10.80%) MVVM
10 26 (10.40%) Microservices
10 26 (10.40%) Unit Testing
11 23 (9.20%) Fintech
12 22 (8.80%) Problem-Solving
12 22 (8.80%) TDD
13 21 (8.40%) User Experience
14 20 (8.00%) DevOps
14 20 (8.00%) Mobile Development
15 19 (7.60%) Computer Science
16 16 (6.40%) Software Testing
17 15 (6.00%) Continuous Delivery
Programming Languages
1 124 (49.60%) Java
2 37 (14.80%) JavaScript
2 37 (14.80%) TypeScript
3 25 (10.00%) Python
4 20 (8.00%) Scala
5 18 (7.20%) Swift
6 11 (4.40%) Go
7 10 (4.00%) Objective-C
8 9 (3.60%) C#
9 7 (2.80%) C
10 6 (2.40%) SQL
11 3 (1.20%) C++
12 2 (0.80%) GLSL
12 2 (0.80%) HLSL
12 2 (0.80%) PHP
13 1 (0.40%) Ruby
Qualifications
1 20 (8.00%) Degree
2 16 (6.40%) Computer Science Degree
2 16 (6.40%) Security Cleared
3 14 (5.60%) SC Cleared
4 5 (2.00%) Master's Degree
5 2 (0.80%) ISTQB
6 1 (0.40%) ISTQB Foundation Certification
Quality Assurance & Compliance
1 8 (3.20%) QA
2 4 (1.60%) Accessibility
3 3 (1.20%) Cyber Essentials
3 3 (1.20%) ISO/IEC 27001
4 1 (0.40%) MiFID
System Software
1 23 (9.20%) Docker
2 7 (2.80%) Active Directory
3 2 (0.80%) Virtual Machines
Systems Management
1 32 (12.80%) Kubernetes
2 14 (5.60%) Terraform
3 11 (4.40%) Prometheus
4 8 (3.20%) Zipkin
5 5 (2.00%) Ansible
5 5 (2.00%) Grafana
6 1 (0.40%) Argo
Vendors
1 12 (4.80%) Microsoft
2 8 (3.20%) Apple
3 5 (2.00%) Checkmarx
4 4 (1.60%) Nokia
5 3 (1.20%) ION Trading
6 2 (0.80%) New Relic
6 2 (0.80%) SAP
6 2 (0.80%) Splunk
7 1 (0.40%) Ariba
7 1 (0.40%) Google
7 1 (0.40%) HP
7 1 (0.40%) IBM