Period
to 11 August 2020

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 11 August 2020 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
11 Aug 2020
Same period 2019 Same period 2018
Rank 356 560 645
Rank change year-on-year +204 +85 +170
Contract jobs citing Jest 189 287 253
As % of all contract jobs advertised in the UK 0.54% 0.32% 0.24%
As % of the Libraries, Frameworks & Software Standards category 1.79% 1.00% 0.71%
Number of daily rates quoted 118 235 211
Median daily rate £500 £500 £500
10th Percentile £325 £375 £375
90th Percentile £625 £625 £613
UK excluding London median daily rate £470 £450 £425
% change year-on-year +4.44% +5.88% +4.29%
Number of hourly rates quoted 4 0 0
Median hourly rate £35.00 - -
UK excluding London median hourly rate £35.00 - -

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 10,536 28,815 35,469
As % of all contract IT jobs advertised in the UK 30.30% 31.70% 34.30%
Number of daily rates quoted 7,008 20,075 25,039
Median daily rate £500 £488 £475
Median daily rate % change year-on-year +2.56% +2.63% +5.56%
10th Percentile £330 £333 £320
90th Percentile £675 £650 £625
UK excluding London median daily rate £450 £438 £421
% change year-on-year +2.86% +3.92% +5.25%
Number of hourly rates quoted 167 322 353
Median hourly rate £35.00 £44.00 £41.00
Median hourly rate % change year-on-year -20.45% +7.32% +2.50%
10th Percentile £22.16 £19.92 £15.24
90th Percentile £64.20 £60.00 £57.50
Median hourly rate £35.00 £43.50 £40.00
% change year-on-year -19.54% +8.75% -1.23%

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 11 August 2020.

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 11 August 2020. 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 +164 168 £500 - 56
London +140 105 £525 - 26
UK excluding London +210 73 £470 +4.44% 35
North of England +126 32 £506 +6.58% 14
Yorkshire +72 26 £485 +2.11% 2
South East +151 13 £425 - 4
South West +89 10 £475 -2.06% 6
Work from Home -14 10 £356 -16.18% 14
Scotland - 10 £450 - 2
Midlands +73 6 £500 +14.61% 3
North East - 5 £588 - 2
West Midlands +67 4 £425 -5.56% 2
East Midlands +45 2 £525 +31.25% 1
North West +76 1 - - 10
East of England +74 1 - - 3
Wales +39 1 £450 +12.50% 3

For the 6 months to 11 August 2020, 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.

1 132 (69.84%) JavaScript
2 114 (60.32%) Agile Software Development
3 107 (56.61%) Node.js
4 102 (53.97%) CSS
5 99 (52.38%) Redux
6 81 (42.86%) HTML
7 75 (39.68%) ES6
8 74 (39.15%) React
9 64 (33.86%) AWS
10 59 (31.22%) Git (software)
10 59 (31.22%) TypeScript
11 57 (30.16%) Test Automation
12 56 (29.63%) Docker
13 54 (28.57%) Front End Development
14 51 (26.98%) Sass
15 50 (26.46%) Enzyme
15 50 (26.46%) Finance
16 49 (25.93%) Unit Testing
16 49 (25.93%) Azure
17 47 (24.87%) REST
17 47 (24.87%) Continuous Integration
17 47 (24.87%) Scrum
17 47 (24.87%) User Experience
18 46 (24.34%) webpack
19 45 (23.81%) Java
20 44 (23.28%) AngularJS
21 41 (21.69%) GCP
22 40 (21.16%) Kubernetes
23 39 (20.63%) TDD
24 38 (20.11%) Jenkins

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 17 (8.99%) Confluence
2 14 (7.41%) Cloud Foundry
2 14 (7.41%) Mule
3 4 (2.12%) CMS
4 3 (1.59%) Headless CMS
5 2 (1.06%) WordPress
6 1 (0.53%) Apache
6 1 (0.53%) Apache Solr
6 1 (0.53%) Drupal
6 1 (0.53%) Sitecore CMS
Applications
1 4 (2.12%) Microsoft Office
2 3 (1.59%) Chatbot
3 2 (1.06%) Adobe Illustrator
3 2 (1.06%) Sketch
4 1 (0.53%) Adobe Premiere
Business Applications
1 5 (2.65%) Visualfiles
Cloud Services
1 64 (33.86%) AWS
2 49 (25.93%) Azure
3 41 (21.69%) GCP
4 28 (14.81%) npm
5 22 (11.64%) GitHub
6 16 (8.47%) OpenShift
6 16 (8.47%) Slack
7 13 (6.88%) Serverless
8 11 (5.82%) Heroku
9 8 (4.23%) Yarn
10 6 (3.17%) Cloud Computing
10 6 (3.17%) Firebase
11 4 (2.12%) Amazon S3
11 4 (2.12%) PaaS
12 3 (1.59%) Amazon CloudWatch
12 3 (1.59%) BlazeMeter
13 2 (1.06%) Apigee
13 2 (1.06%) AWS Lambda
13 2 (1.06%) SaaS
14 1 (0.53%) Amazon EC2
Communications & Networking
1 14 (7.41%) SSL
2 13 (6.88%) HTTP
3 9 (4.76%) DNS
3 9 (4.76%) Firewall
3 9 (4.76%) Reverse Proxy
3 9 (4.76%) TCP/IP
4 1 (0.53%) DSL
4 1 (0.53%) Skype
Database & Business Intelligence
1 21 (11.11%) NoSQL
2 18 (9.52%) MongoDB
3 10 (5.29%) PostgreSQL
4 7 (3.70%) Cosmos DB
4 7 (3.70%) SQL Server
5 6 (3.17%) Amazon DynamoDB
5 6 (3.17%) MySQL
5 6 (3.17%) Relational Database
6 5 (2.65%) Hadoop
7 3 (1.59%) Data Warehouse
7 3 (1.59%) PowerCenter
7 3 (1.59%) RDBMS
8 1 (0.53%) Big Data
8 1 (0.53%) Blockchain
8 1 (0.53%) Redis
Development Applications
1 59 (31.22%) Git (software)
2 46 (24.34%) webpack
3 38 (20.11%) Jenkins
4 37 (19.58%) Mocha
5 35 (18.52%) Jasmine
6 34 (17.99%) Selenium
7 32 (16.93%) JIRA
8 28 (14.81%) Cucumber
9 24 (12.70%) JUnit
10 20 (10.58%) Cypress.io
11 15 (7.94%) Mockito
12 14 (7.41%) Babel
12 14 (7.41%) Maven
12 14 (7.41%) Sonatype Nexus
13 11 (5.82%) git-flow
14 10 (5.29%) NUnit
14 10 (5.29%) TestCafe
15 9 (4.76%) gulp
16 7 (3.70%) Grunt
16 7 (3.70%) Protractor
General
1 50 (26.46%) Finance
2 10 (5.29%) Banking
3 7 (3.70%) Front Office
3 7 (3.70%) Public Sector
4 5 (2.65%) Retail
5 2 (1.06%) Law
5 2 (1.06%) Manufacturing
5 2 (1.06%) Marketing
6 1 (0.53%) Back Office
6 1 (0.53%) Electronics
6 1 (0.53%) Financial Institution
6 1 (0.53%) Pharmaceutical
6 1 (0.53%) Publishing
6 1 (0.53%) Telecoms
Job Titles
1 126 (66.67%) Developer
2 44 (23.28%) React Developer
3 43 (22.75%) Front End Developer (Client-Side Developer)
4 22 (11.64%) JavaScript Developer
5 16 (8.47%) Node.js Developer
6 14 (7.41%) Angular Developer
7 13 (6.88%) Java Developer
7 13 (6.88%) Senior Developer
8 11 (5.82%) Full Stack Developer
9 10 (5.29%) UI Developer
10 9 (4.76%) Test Engineer
11 8 (4.23%) Architect
11 8 (4.23%) JavaScript Engineer
11 8 (4.23%) Software Engineer
12 7 (3.70%) Developer in Test
12 7 (3.70%) Developer/Software Engineer
12 7 (3.70%) Java Developer in Test
12 7 (3.70%) Java Software Developer
12 7 (3.70%) Java Software Engineer
12 7 (3.70%) Software Test Engineer
Libraries, Frameworks & Software Standards
1 107 (56.61%) Node.js
2 102 (53.97%) CSS
3 99 (52.38%) Redux
4 81 (42.86%) HTML
5 74 (39.15%) React
6 51 (26.98%) Sass
7 50 (26.46%) Enzyme
8 47 (24.87%) REST
9 44 (23.28%) AngularJS
10 30 (15.87%) RxJS
11 28 (14.81%) Web Services
12 27 (14.29%) Express
13 23 (12.17%) Vue.js
14 22 (11.64%) HTML5
15 21 (11.11%) GraphQL
16 19 (10.05%) JSON
16 19 (10.05%) Spring
17 17 (8.99%) RESTful
18 16 (8.47%) NgRx
19 14 (7.41%) WireMock
Miscellaneous
1 47 (24.87%) User Experience
2 17 (8.99%) Analytical Skills
3 15 (7.94%) Algorithms
4 14 (7.41%) Data Structures
4 14 (7.41%) Mobile App
5 8 (4.23%) Public Cloud
6 7 (3.70%) Greenfield Project
7 6 (3.17%) Self-Motivation
8 3 (1.59%) iPad
8 3 (1.59%) Over-the-Top Content
9 2 (1.06%) Derivative
9 2 (1.06%) Equities
9 2 (1.06%) Equity Derivative
9 2 (1.06%) FMCG
9 2 (1.06%) Foreign Exchange (FX)
9 2 (1.06%) Video on Demand
10 1 (0.53%) Blog
10 1 (0.53%) Client/Server
10 1 (0.53%) Smartphone
10 1 (0.53%) Video\Live Streaming
Operating Systems
1 8 (4.23%) Apple iOS
2 7 (3.70%) Linux
3 6 (3.17%) Android
4 3 (1.59%) Unix
4 3 (1.59%) Windows
5 2 (1.06%) tvOS
6 1 (0.53%) Ubuntu
Processes & Methodologies
1 114 (60.32%) Agile Software Development
2 57 (30.16%) Test Automation
3 54 (28.57%) Front End Development
4 49 (25.93%) Unit Testing
5 47 (24.87%) Continuous Integration
5 47 (24.87%) Scrum
6 39 (20.63%) TDD
7 36 (19.05%) Microservices
8 34 (17.99%) DevOps
9 31 (16.40%) Problem-Solving
10 29 (15.34%) Software Engineering
11 28 (14.81%) BDD
11 28 (14.81%) Computer Science
12 24 (12.70%) Kanban
13 19 (10.05%) Open Source
14 16 (8.47%) OO
15 15 (7.94%) Continuous Improvement
15 15 (7.94%) Integration Testing
15 15 (7.94%) Migration
15 15 (7.94%) Performance Testing
Programming Languages
1 132 (69.84%) JavaScript
2 75 (39.68%) ES6
3 59 (31.22%) TypeScript
4 45 (23.81%) Java
5 23 (12.17%) SQL
6 22 (11.64%) Python
7 17 (8.99%) C#
8 7 (3.70%) ES7
9 5 (2.65%) PHP
10 3 (1.59%) Apple Swift
10 3 (1.59%) Kotlin
10 3 (1.59%) Objective-C
11 2 (1.06%) T-SQL
12 1 (0.53%) ES8
12 1 (0.53%) Go
12 1 (0.53%) JSX
12 1 (0.53%) PHP 7
12 1 (0.53%) Ruby
12 1 (0.53%) Scala
12 1 (0.53%) XPath
Qualifications
1 15 (7.94%) Degree
2 10 (5.29%) Computer Science Degree
3 4 (2.12%) Security Cleared
4 3 (1.59%) ISTQB
4 3 (1.59%) ISTQB Foundation Certification
4 3 (1.59%) SC Cleared
5 1 (0.53%) DBS Check
5 1 (0.53%) Master's Degree
Quality Assurance & Compliance
1 23 (12.17%) QA
System Software
1 56 (29.63%) Docker
2 2 (1.06%) Active Directory
Systems Management
1 40 (21.16%) Kubernetes
2 16 (8.47%) Terraform
3 5 (2.65%) Ansible
4 3 (1.59%) HP ALM
5 2 (1.06%) Istio
6 1 (0.53%) Docker Swarm
6 1 (0.53%) Marathon
6 1 (0.53%) Mesos
6 1 (0.53%) OpenNebula
6 1 (0.53%) Single Sign-On
Vendors
1 21 (11.11%) Google
2 15 (7.94%) AppDynamics
2 15 (7.94%) Splunk
3 14 (7.41%) Blue Coat
3 14 (7.41%) F5
4 13 (6.88%) Microsoft
5 3 (1.59%) HP
5 3 (1.59%) Informatica
5 3 (1.59%) OutSystems
5 3 (1.59%) Xamarin
6 2 (1.06%) Oracle
7 1 (0.53%) Capita
7 1 (0.53%) hybris
7 1 (0.53%) IBM
7 1 (0.53%) Netlify
7 1 (0.53%) New Relic
7 1 (0.53%) SAP
7 1 (0.53%) Sitecore
7 1 (0.53%) Twitter
7 1 (0.53%) WSO2