Period
to 20 October 2021

The following table provides summary statistics for contract job vacancies with a requirement for Jest skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Jest over the 6 months to 20 October 2021 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Jest
UK
6 months to
20 Oct 2021
Same period 2020 Same period 2019
Rank 370 388 578
Rank change year-on-year +18 +190 +7
Contract jobs citing Jest 541 149 259
As % of all contract jobs advertised in the UK 0.64% 0.47% 0.31%
As % of the Libraries, Frameworks & Software Standards category 2.16% 1.52% 0.99%
Number of daily rates quoted 384 101 207
10th Percentile £363 £350 £373
25th Percentile £431 £400 £413
Median daily rate (50th Percentile) £520 £450 £500
Median % change year-on-year +15.56% -10.00% -
75th Percentile £594 £538 £587
90th Percentile £675 £588 £625
UK excluding London median daily rate £450 £450 £466
% change year-on-year - -3.49% +16.56%
Number of hourly rates quoted 1 0 0
Median hourly rate £32.50 - -
UK excluding London median hourly rate £32.50 - -

Jest is in the Software Libraries and Frameworks category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies with a requirement for technical specification, industry standards, software libraries and framework skills.

All Software Libraries and Frameworks
UK
Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 25,101 9,814 26,234
As % of all contract IT jobs advertised in the UK 29.75% 31.16% 31.07%
Number of daily rates quoted 18,057 6,948 18,443
10th Percentile £363 £313 £338
25th Percentile £426 £400 £406
Median daily rate (50th Percentile) £525 £495 £500
Median % change year-on-year +6.06% -1.00% +5.26%
75th Percentile £625 £588 £575
90th Percentile £700 £675 £650
UK excluding London median daily rate £475 £450 £440
% change year-on-year +5.56% +2.27% +3.53%
Number of hourly rates quoted 239 75 249
10th Percentile £18.06 £22.05 £20.26
25th Percentile £29.85 £30.00 £32.95
Median hourly rate £49.00 £42.00 £45.00
Median % change year-on-year +16.67% -6.67% +7.95%
75th Percentile £63.00 £54.00 £53.00
90th Percentile £72.52 £61.72 £73.15
UK excluding London median hourly rate £49.00 £47.50 £45.00
% change year-on-year +3.16% +5.56% +8.43%

Jest
Job Vacancy Trend

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

Job vacancy trend for Jest in the UK

Jest
Contractor Daily Rate Trend

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

Daily rate trend for Jest in the UK

Jest
Daily Rate Histogram

Daily rate distribution for jobs citing Jest over the 6 months to 20 October 2021.

Daily rate histogram for Jest in the UK

Jest
Top 16 Contract Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Jest within the UK over the 6 months to 20 October 2021. 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
Job
Vacancies
England +1 436 £525 +15.99% 149
London -39 279 £550 +22.22% 90
Work from Home -71 194 £510 +18.95% 46
UK excluding London -74 159 £450 - 62
North of England -62 49 £473 - 13
South East -61 42 £550 +25.34% 24
North West -28 30 £425 -11.46% 7
South West -32 22 £398 -36.55% 7
Scotland -68 22 £445 -1.11% 1
East of England -38 16 £444 - 6
Yorkshire -57 13 £475 - 4
Midlands -72 7 £550 +33.33% 9
North East -5 6 £535 +26.48% 2
West Midlands -62 4 £550 +33.33% 6
Wales -25 1 £425 +17.24% 2
East Midlands - 1 - - 3

For the 6 months to 20 October 2021, IT contractor jobs citing Jest also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads with a requirement for Jest.

1 394 (72.83%) React
2 381 (70.43%) JavaScript
3 341 (63.03%) TypeScript
4 268 (49.54%) Node.js
5 236 (43.62%) CSS
6 226 (41.77%) HTML
7 218 (40.30%) Agile Software Development
8 165 (30.50%) Redux
9 163 (30.13%) Cypress.io
10 160 (29.57%) AWS
11 156 (28.84%) Git (software)
11 156 (28.84%) AngularJS
12 149 (27.54%) Front End Development
13 140 (25.88%) DevOps
14 138 (25.51%) Jasmine
15 134 (24.77%) TDD
16 125 (23.11%) Full Stack Development
17 121 (22.37%) ES6
18 117 (21.63%) REST
19 116 (21.44%) Docker
19 116 (21.44%) Azure
19 116 (21.44%) Unit Testing
20 108 (19.96%) webpack
21 96 (17.74%) Mocha
21 96 (17.74%) Test Automation
21 96 (17.74%) Serverless
22 93 (17.19%) Java
23 91 (16.82%) HTML5
24 88 (16.27%) Enzyme
25 86 (15.90%) Sass

Jest
Co-occurring IT Skills by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same job type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 16 (2.96%) CMS
2 15 (2.77%) Confluence
3 13 (2.40%) nginx
4 11 (2.03%) Tomcat
5 9 (1.66%) Elasticsearch
6 7 (1.29%) IBM Domino
7 6 (1.11%) Headless CMS
7 6 (1.11%) Oracle SOA Suite
8 5 (0.92%) SharePoint
9 2 (0.37%) Apache
9 2 (0.37%) IIS
10 1 (0.18%) Adobe Experience Manager
10 1 (0.18%) Magnolia
10 1 (0.18%) Sitecore CMS
10 1 (0.18%) WebSphere
10 1 (0.18%) WildFly
Applications
1 7 (1.29%) Photoshop
2 6 (1.11%) Adobe Illustrator
3 4 (0.74%) Microsoft Office
3 4 (0.74%) Zeplin
4 2 (0.37%) Chatbot
5 1 (0.18%) Figma
Business Applications
1 11 (2.03%) Shopify
2 9 (1.66%) Magento
3 7 (1.29%) Payment Gateway
3 7 (1.29%) Temenos T24
Cloud Services
1 160 (29.57%) AWS
2 116 (21.44%) Azure
3 96 (17.74%) Serverless
4 66 (12.20%) AWS Lambda
5 57 (10.54%) AWS CloudFormation
6 48 (8.87%) npm
7 33 (6.10%) GCP
7 33 (6.10%) Yarn
8 30 (5.55%) GitHub
9 21 (3.88%) SaaS
10 15 (2.77%) Amazon SQS
11 14 (2.59%) Amazon S3
11 14 (2.59%) GitHub Actions
12 13 (2.40%) Amazon EC2
13 9 (1.66%) BrowserStack
13 9 (1.66%) Datadog
14 8 (1.48%) Azure Functions
15 7 (1.29%) AWS CodeCommit
15 7 (1.29%) Azure Pipelines
16 6 (1.11%) AWS CodeDeploy
Communications & Networking
1 22 (4.07%) HTTP
2 10 (1.85%) AMQP
3 8 (1.48%) Internet
4 2 (0.37%) MQTT
Database & Business Intelligence
1 41 (7.58%) NoSQL
2 38 (7.02%) PostgreSQL
3 34 (6.28%) Amazon DynamoDB
3 34 (6.28%) MongoDB
4 23 (4.25%) SQL Server
5 16 (2.96%) Relational Database
6 11 (2.03%) MySQL
6 11 (2.03%) SQL Server 2016
7 10 (1.85%) Amazon RDS
7 10 (1.85%) SQL Server 2019
8 9 (1.66%) Amazon Aurora
9 6 (1.11%) Redis
10 5 (0.92%) Big Data
11 4 (0.74%) DB2
11 4 (0.74%) MariaDB
12 3 (0.55%) Amazon Redshift
12 3 (0.55%) SQL Server Integration Services
13 2 (0.37%) Apache Hive
13 2 (0.37%) SQL Server 2017
13 2 (0.37%) SSDT
Development Applications
1 163 (30.13%) Cypress.io
2 156 (28.84%) Git (software)
3 138 (25.51%) Jasmine
4 108 (19.96%) webpack
5 96 (17.74%) Mocha
6 67 (12.38%) Jenkins
7 58 (10.72%) Cucumber
8 48 (8.87%) Karma Test Runner
9 44 (8.13%) JIRA
10 37 (6.84%) Selenium
11 36 (6.65%) CircleCI
12 32 (5.91%) Storybook
13 25 (4.62%) Protractor
13 25 (4.62%) TeamCity
14 23 (4.25%) ESLint
15 22 (4.07%) JUnit
16 18 (3.33%) GitLab
17 17 (3.14%) Maven
18 15 (2.77%) Babel
18 15 (2.77%) Grunt
General
1 77 (14.23%) Finance
2 70 (12.94%) Social Skills
3 37 (6.84%) Banking
4 30 (5.55%) Analytical Skills
5 28 (5.18%) Public Sector
6 26 (4.81%) Retail
7 19 (3.51%) Investment Banking
8 16 (2.96%) Front Office
8 16 (2.96%) Games
9 13 (2.40%) Telecoms
10 7 (1.29%) Back Office
10 7 (1.29%) Presentation Skills
11 6 (1.11%) Inclusion and Diversity
12 5 (0.92%) Manufacturing
13 4 (0.74%) Documentation Skills
13 4 (0.74%) Law
14 3 (0.55%) Marketing
14 3 (0.55%) Publishing
15 2 (0.37%) Electronics
15 2 (0.37%) Legal
Job Titles
1 417 (77.08%) Developer
2 148 (27.36%) React Developer
3 139 (25.69%) Front End Developer (Client-Side Developer)
4 70 (12.94%) Full Stack Developer
5 68 (12.57%) JavaScript Developer
6 65 (12.01%) Senior Developer
7 50 (9.24%) Node.js Developer
8 48 (8.87%) Angular Developer
9 40 (7.39%) UI Developer
10 28 (5.18%) Senior Front-End Developer
11 25 (4.62%) Senior React Developer
12 20 (3.70%) Software Engineer
13 19 (3.51%) HTML Developer
14 14 (2.59%) C# Developer
15 13 (2.40%) Lead Developer
16 12 (2.22%) Senior JavaScript Developer
17 11 (2.03%) JavaScript Engineer
18 10 (1.85%) Front Office Developer
18 10 (1.85%) Software Developer
18 10 (1.85%) Tester
Libraries, Frameworks & Software Standards
1 394 (72.83%) React
2 268 (49.54%) Node.js
3 236 (43.62%) CSS
4 226 (41.77%) HTML
5 165 (30.50%) Redux
6 156 (28.84%) AngularJS
7 117 (21.63%) REST
8 91 (16.82%) HTML5
9 88 (16.27%) Enzyme
10 86 (15.90%) Sass
11 84 (15.53%) RESTful
12 66 (12.20%) GraphQL
13 53 (9.80%) .NET
13 53 (9.80%) CSS3
14 50 (9.24%) Vue.js
14 50 (9.24%) Web Services
15 46 (8.50%) RxJS
16 44 (8.13%) Express
17 43 (7.95%) Next.js
18 37 (6.84%) React Native
Miscellaneous
1 79 (14.60%) User Experience
2 31 (5.73%) Mobile App
3 25 (4.62%) Greenfield Project
4 22 (4.07%) Cloud Native
5 20 (3.70%) iPad
6 19 (3.51%) Data Protection Act
7 15 (2.77%) Algorithms
7 15 (2.77%) Data Structures
8 12 (2.22%) Equities
9 10 (1.85%) Enterprise Software
9 10 (1.85%) Virtual Team
10 9 (1.66%) Linux Command Line
11 8 (1.48%) Hedge funds
12 7 (1.29%) Self-Motivation
13 6 (1.11%) Graphic Design
14 5 (0.92%) Digital Media
14 5 (0.92%) Legacy Systems
14 5 (0.92%) Mainframe
15 4 (0.74%) Industry 4.0
15 4 (0.74%) Internet of Things
Operating Systems
1 20 (3.70%) Android
2 15 (2.77%) Apple iOS
3 11 (2.03%) Linux
4 6 (1.11%) Windows
5 4 (0.74%) Unix
Processes & Methodologies
1 218 (40.30%) Agile Software Development
2 149 (27.54%) Front End Development
3 140 (25.88%) DevOps
4 134 (24.77%) TDD
5 125 (23.11%) Full Stack Development
6 116 (21.44%) Unit Testing
7 96 (17.74%) Test Automation
8 85 (15.71%) Software Engineering
9 75 (13.86%) Scrum
10 74 (13.68%) Microservices
11 57 (10.54%) Continuous Integration
12 52 (9.61%) BDD
13 43 (7.95%) Web Development
14 40 (7.39%) Problem-Solving
15 39 (7.21%) E-Commerce
16 35 (6.47%) API Design
17 34 (6.28%) Analytics
18 31 (5.73%) Infrastructure as Code
19 30 (5.55%) SDLC
20 28 (5.18%) OO
Programming Languages
1 381 (70.43%) JavaScript
2 341 (63.03%) TypeScript
3 121 (22.37%) ES6
4 93 (17.19%) Java
5 58 (10.72%) C#
6 47 (8.69%) SQL
7 40 (7.39%) Python
8 26 (4.81%) PHP
9 13 (2.40%) Java 8
10 12 (2.22%) Shell Script
11 11 (2.03%) Bash Shell
12 8 (1.48%) ES7
12 8 (1.48%) Kotlin
13 6 (1.11%) PowerShell
14 5 (0.92%) PL/SQL
15 3 (0.55%) Apple Swift
15 3 (0.55%) MATLAB
15 3 (0.55%) Ruby
16 2 (0.37%) JSX
16 2 (0.37%) Rust
Qualifications
1 24 (4.44%) Security Cleared
2 23 (4.25%) SC Cleared
3 17 (3.14%) Degree
4 4 (0.74%) BPSS Clearance
4 4 (0.74%) Computer Science Degree
5 2 (0.37%) ISTQB
5 2 (0.37%) ISTQB Foundation Certification
5 2 (0.37%) Master's Degree
5 2 (0.37%) Sun Certification
Quality Assurance & Compliance
1 45 (8.32%) Accessibility
2 21 (3.88%) QA
3 2 (0.37%) WCAG
4 1 (0.18%) GxP
System Software
1 116 (21.44%) Docker
Systems Management
1 55 (10.17%) Kubernetes
2 53 (9.80%) Terraform
3 11 (2.03%) Grafana
4 7 (1.29%) Graylog
4 7 (1.29%) Nagios
5 5 (0.92%) Opscode Chef
6 4 (0.74%) Ansible
7 2 (0.37%) HP ALM
8 1 (0.18%) HP Fortify
Vendors
1 12 (2.22%) Microsoft
2 9 (1.66%) Google
3 8 (1.48%) Adobe
3 8 (1.48%) Atlassian
3 8 (1.48%) hybris
3 8 (1.48%) MuleSoft
4 7 (1.29%) Oracle
4 7 (1.29%) SolarWinds
4 7 (1.29%) Temenos
4 7 (1.29%) Xerox
5 5 (0.92%) SAP
5 5 (0.92%) Splunk
6 4 (0.74%) Apple
6 4 (0.74%) Roku
7 3 (0.55%) Amplitude
7 3 (0.55%) Xamarin
8 2 (0.37%) Elastic Path
8 2 (0.37%) HP
8 2 (0.37%) New Relic
9 1 (0.18%) Salesforce.com