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 26 May 2024 with a comparison to the same period in the previous 2 years.

6 months to
26 May 2024
Same period 2023 Same period 2022
Rank 354 427 439
Rank change year-on-year +73 +12 -189
Contract jobs citing Kotlin 231 295 489
As % of all contract jobs advertised in the UK 0.54% 0.52% 0.56%
As % of the Programming Languages category 1.80% 1.52% 1.55%
Number of daily rates quoted 167 231 382
10th Percentile £350 £463 £457
25th Percentile £406 £513 £505
Median daily rate (50th Percentile) £495 £600 £580
Median % change year-on-year -17.50% +3.45% +10.48%
75th Percentile £600 £675 £681
90th Percentile £680 £750 £725
UK excluding London median daily rate £438 £550 £525
% change year-on-year -20.45% +4.76% +10.53%
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 12,802 19,463 31,589
As % of all contract IT jobs advertised in the UK 30.00% 34.30% 36.04%
Number of daily rates quoted 9,124 14,013 23,091
10th Percentile £350 £388 £386
25th Percentile £425 £463 £456
Median daily rate (50th Percentile) £525 £550 £550
Median % change year-on-year -4.55% - +10.00%
75th Percentile £650 £678 £657
90th Percentile £763 £788 £750
UK excluding London median daily rate £488 £500 £500
% change year-on-year -2.50% - +16.28%
Number of hourly rates quoted 503 442 483
10th Percentile £32.25 £26.27 £19.52
25th Percentile £46.25 £50.00 £35.00
Median hourly rate £62.50 £62.50 £50.77
Median % change year-on-year - +23.10% +16.71%
75th Percentile £70.00 £70.00 £61.00
90th Percentile £77.50 £78.00 £71.40
UK excluding London median hourly rate £62.50 £62.50 £50.77
% change year-on-year - +23.10% +23.83%

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 26 May 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 26 May 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 26 May 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 +45 198 £495 -17.50% 207
London +21 135 £525 -12.50% 171
UK excluding London +84 72 £438 -20.45% 104
Work from Home +42 71 £513 -14.58% 122
North of England +56 39 £438 -33.71% 10
North West +47 25 £485 -22.40% 4
Scotland - 17 £400 - 7
Yorkshire +18 14 £300 -57.14% 4
South East +14 10 £425 -19.05% 70
Midlands +23 3 £450 -35.71% 2
West Midlands +13 3 £450 -35.71% 1
South West +2 3 £600 +14.29% 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 (3.90%) Apache Spark
2 2 (0.87%) 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 (19.91%) AWS
2 36 (15.58%) GitHub
3 25 (10.82%) Azure
4 23 (9.96%) GCP
5 10 (4.33%) GitHub Actions
6 5 (2.16%) AWS CloudFormation
6 5 (2.16%) Firebase
6 5 (2.16%) Serverless
7 4 (1.73%) Amazon SQS
7 4 (1.73%) Datadog
7 4 (1.73%) Entra ID
7 4 (1.73%) Flurry Analytics
7 4 (1.73%) PubNub
8 3 (1.30%) AWS Lambda
9 2 (0.87%) Amazon CloudWatch
9 2 (0.87%) Amazon Kinesis
9 2 (0.87%) npm
9 2 (0.87%) Sentry
9 2 (0.87%) Yarn
10 1 (0.43%) IaaS
Communications & Networking
1 4 (1.73%) SSL
2 2 (0.87%) AMQP
2 2 (0.87%) HTTP
3 1 (0.43%) Bluetooth
Database & Business Intelligence
1 12 (5.19%) Relational Database
2 6 (2.60%) SQLite
3 4 (1.73%) DynamoDB
3 4 (1.73%) Mixpanel
4 3 (1.30%) MongoDB
4 3 (1.30%) MySQL
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 30 (12.99%) Jenkins
2 25 (10.82%) Android Studio
3 23 (9.96%) Gradle
4 22 (9.52%) Postman
5 18 (7.79%) Git
6 16 (6.93%) Selenium
7 15 (6.49%) JUnit
8 14 (6.06%) Cypress.io
9 13 (5.63%) Appium
10 8 (3.46%) CircleCI
11 7 (3.03%) Mockito
12 5 (2.16%) Cucumber
12 5 (2.16%) JIRA
12 5 (2.16%) SonarQube
13 3 (1.30%) Bitbucket
13 3 (1.30%) IntelliJ
13 3 (1.30%) Katalon Studio
13 3 (1.30%) XCUITest
14 2 (0.87%) GitLab
14 2 (0.87%) Mocha
General
1 47 (20.35%) Social Skills
2 33 (14.29%) Finance
3 20 (8.66%) Banking
4 15 (6.49%) Back Office
5 14 (6.06%) Front Office
6 10 (4.33%) Public Sector
7 4 (1.73%) Analytical Skills
8 3 (1.30%) Electronics
8 3 (1.30%) Investment Banking
9 2 (0.87%) Retail Banking
10 1 (0.43%) Marketing
10 1 (0.43%) Publishing
10 1 (0.43%) Retail
10 1 (0.43%) Telecoms
Job Titles
1 141 (61.04%) Developer
2 65 (28.14%) Android Developer
3 52 (22.51%) Senior
4 26 (11.26%) Java Developer
5 24 (10.39%) Senior Developer
6 22 (9.52%) Android Engineer
7 19 (8.23%) Full Stack Developer
8 18 (7.79%) React Developer
9 16 (6.93%) Software Engineer
10 13 (5.63%) Analyst
10 13 (5.63%) Test Analyst
11 12 (5.19%) Full Stack Engineer
11 12 (5.19%) Senior Android Developer
12 11 (4.76%) Backend Developer
12 11 (4.76%) Senior Analyst
12 11 (4.76%) Senior Test Analyst
13 10 (4.33%) Java Engineer
14 8 (3.46%) Full Stack Software Engineer
15 7 (3.03%) Mobile Developer
15 7 (3.03%) Senior Android Engineer
Libraries, Frameworks & Software Standards
1 35 (15.15%) RESTful
2 34 (14.72%) React
3 32 (13.85%) REST
4 31 (13.42%) Node.js
5 25 (10.82%) Spring
6 23 (9.96%) Android Jetpack
6 23 (9.96%) Jetpack Compose
7 20 (8.66%) Spring Boot
8 16 (6.93%) React Native
9 14 (6.06%) Kafka
10 13 (5.63%) GraphQL
10 13 (5.63%) RxJava
11 10 (4.33%) Dagger
11 10 (4.33%) Jest
11 10 (4.33%) Redux
12 9 (3.90%) CSS
13 8 (3.46%) Elastic Stack
13 8 (3.46%) Electron
13 8 (3.46%) HTML
13 8 (3.46%) OpenTracing
Miscellaneous
1 65 (28.14%) Mobile App
2 19 (8.23%) Data Structures
3 15 (6.49%) Distributed Systems
4 14 (6.06%) Algorithms
5 12 (5.19%) Product Ownership
6 10 (4.33%) Greenfield Project
6 10 (4.33%) Legacy Code
7 8 (3.46%) Fixed Income
8 5 (2.16%) Virtual Team
9 3 (1.30%) Animation
9 3 (1.30%) Legacy Systems
9 3 (1.30%) Mobile Banking
10 2 (0.87%) Analytical Mindset
10 2 (0.87%) Augmented Reality
10 2 (0.87%) Blockchain
10 2 (0.87%) Distributed Architecture
10 2 (0.87%) Mixed Reality
11 1 (0.43%) Cloud Native
11 1 (0.43%) Marketing Technology
11 1 (0.43%) Public Cloud
Operating Systems
1 130 (56.28%) Android
2 22 (9.52%) Apple iOS
3 2 (0.87%) Windows
3 2 (0.87%) Windows Server
4 1 (0.43%) Linux
Processes & Methodologies
1 73 (31.60%) Agile
1 73 (31.60%) Android Development
2 53 (22.94%) CI/CD
3 48 (20.78%) Test Automation
4 45 (19.48%) Continuous Integration
5 41 (17.75%) Software Engineering
6 31 (13.42%) SDLC
7 29 (12.55%) Full Stack Development
8 27 (11.69%) MVVM
8 27 (11.69%) Unit Testing
9 24 (10.39%) Microservices
9 24 (10.39%) User Experience
10 23 (9.96%) TDD
11 21 (9.09%) Computer Science
11 21 (9.09%) Problem-Solving
12 20 (8.66%) DevOps
12 20 (8.66%) Fintech
12 20 (8.66%) Mobile Development
13 17 (7.36%) Software Testing
14 16 (6.93%) Continuous Delivery
Programming Languages
1 120 (51.95%) Java
2 37 (16.02%) JavaScript
3 36 (15.58%) TypeScript
4 27 (11.69%) Python
5 20 (8.66%) Scala
5 20 (8.66%) Swift
6 10 (4.33%) Objective-C
7 9 (3.90%) C#
7 9 (3.90%) Go
8 7 (3.03%) SQL
9 3 (1.30%) C
9 3 (1.30%) C++
10 2 (0.87%) GLSL
10 2 (0.87%) HLSL
10 2 (0.87%) PHP
11 1 (0.43%) Ruby
Qualifications
1 21 (9.09%) Degree
2 17 (7.36%) Computer Science Degree
3 9 (3.90%) SC Cleared
3 9 (3.90%) Security Cleared
4 3 (1.30%) ISTQB
4 3 (1.30%) Master's Degree
5 1 (0.43%) ISTQB Foundation Certification
Quality Assurance & Compliance
1 12 (5.19%) QA
2 4 (1.73%) Accessibility
3 2 (0.87%) Cyber Essentials
3 2 (0.87%) ISO/IEC 27001
4 1 (0.43%) MiFID
System Software
1 18 (7.79%) Docker
2 4 (1.73%) Active Directory
3 2 (0.87%) Virtual Machines
Systems Management
1 22 (9.52%) Kubernetes
2 12 (5.19%) Terraform
3 10 (4.33%) Prometheus
4 8 (3.46%) Zipkin
5 5 (2.16%) Ansible
6 4 (1.73%) Grafana
7 1 (0.43%) Argo
Vendors
1 11 (4.76%) Microsoft
2 8 (3.46%) Apple
3 5 (2.16%) Checkmarx
4 4 (1.73%) Nokia
5 2 (0.87%) New Relic
5 2 (0.87%) SAP
5 2 (0.87%) 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