Period
to 2 April 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 2 April 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
2 Apr 2020
Same period 2019 Same period 2018
Rank 433 540 731
Rank change year-on-year +107 +191 +113
Contract jobs citing Jest 271 368 172
As % of all contract jobs advertised in the UK 0.44% 0.38% 0.17%
As % of the Libraries, Frameworks & Software Standards category 1.46% 1.16% 0.52%
Number of daily rates quoted 174 295 150
Median daily rate £513 £513 £475
Median daily rate % change year-on-year - +7.89% +18.60%
10th Percentile £400 £396 £400
90th Percentile £625 £638 £588
UK excluding London median daily rate £450 £474 £450
% change year-on-year -5.01% +5.28% +12.43%
Number of hourly rates quoted 2 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 18,533 31,720 32,787
As % of all contract IT jobs advertised in the UK 29.96% 32.90% 32.26%
Number of daily rates quoted 12,574 22,372 23,170
Median daily rate £500 £488 £475
Median daily rate % change year-on-year +2.56% +2.63% +9.83%
10th Percentile £331 £325 £313
90th Percentile £657 £638 £625
UK excluding London median daily rate £450 £435 £413
% change year-on-year +3.45% +5.45% +3.13%
Number of hourly rates quoted 248 303 324
Median hourly rate £35.00 £41.50 £41.21
Median hourly rate % change year-on-year -15.66% +0.72% +2.04%
10th Percentile £20.50 £18.50 £17.74
90th Percentile £68.75 £60.00 £58.75
Median hourly rate £35.00 £42.50 £42.00
% change year-on-year -17.65% +1.19% +5.00%

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 2 April 2020.

Daily rate histogram for Jest in the UK

Jest
Top 15 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 2 April 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 +111 254 £513 -2.38% 101
London +103 200 £525 - 73
UK excluding London +77 63 £450 -5.01% 29
North of England +89 18 £425 -5.56% 7
South West +30 15 £475 -6.86% 3
Midlands +72 10 £425 -5.56% 7
South East +54 10 £425 -5.56% 6
Yorkshire +45 8 £425 -7.61% 1
East Midlands +35 7 £428 +0.59%
Scotland +12 7 £475 +5.56% 1
North West +36 5 £413 +3.13% 1
Work from Home +6 5 £500 +17.65% 11
North East - 5 £588 - 5
West Midlands +55 3 £350 -22.22% 7
Wales - 3 £500 - 1

For the 6 months to 2 April 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.

1 216 (79.70%) JavaScript
2 170 (62.73%) Node.js
3 154 (56.83%) React
4 148 (54.61%) CSS
5 142 (52.40%) Redux
6 139 (51.29%) Agile Software Development
7 105 (38.75%) HTML
8 96 (35.42%) ES6
9 87 (32.10%) TypeScript
10 79 (29.15%) Git (software)
11 77 (28.41%) webpack
11 77 (28.41%) Azure
12 74 (27.31%) Docker
13 72 (26.57%) Enzyme
14 64 (23.62%) Sass
14 64 (23.62%) Front End Development
15 63 (23.25%) User Experience
16 62 (22.88%) Kubernetes
16 62 (22.88%) Scrum
17 61 (22.51%) TDD
17 61 (22.51%) AWS
18 60 (22.14%) HTML5
19 57 (21.03%) Test Automation
20 54 (19.93%) GCP
21 50 (18.45%) Microservices
22 48 (17.71%) SQL
23 46 (16.97%) Finance
23 46 (16.97%) Jasmine
24 45 (16.61%) DevOps
25 44 (16.24%) Continuous Integration

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 (5.90%) Confluence
2 7 (2.58%) CMS
3 6 (2.21%) Apache
4 5 (1.85%) Drupal
4 5 (1.85%) nginx
5 4 (1.48%) Cloud Foundry
5 4 (1.48%) Elasticsearch
5 4 (1.48%) WordPress
6 3 (1.11%) Sitecore CMS
7 2 (0.74%) Apache Solr
7 2 (0.74%) Headless CMS
8 1 (0.37%) Alfresco
8 1 (0.37%) Apache Spark
8 1 (0.37%) Kentico
8 1 (0.37%) SugarCRM
Applications
1 5 (1.85%) Zeplin
2 4 (1.48%) Sketch
3 3 (1.11%) Chatbot
4 2 (0.74%) Adobe Illustrator
4 2 (0.74%) Photoshop
5 1 (0.37%) Adobe Premiere
Cloud Services
1 77 (28.41%) Azure
2 61 (22.51%) AWS
3 54 (19.93%) GCP
4 28 (10.33%) npm
5 25 (9.23%) Heroku
6 24 (8.86%) Serverless
7 17 (6.27%) GitHub
8 16 (5.90%) Yarn
9 14 (5.17%) Firebase
9 14 (5.17%) OpenShift
10 8 (2.95%) PaaS
11 4 (1.48%) AWS Lambda
11 4 (1.48%) Datadog
11 4 (1.48%) IBM Cloud
12 3 (1.11%) Fastly
12 3 (1.11%) SaaS
13 2 (0.74%) Apigee
13 2 (0.74%) Slack
14 1 (0.37%) Amazon ECS
14 1 (0.37%) AWS OpsWorks
Communications & Networking
1 8 (2.95%) HTTP
Database & Business Intelligence
1 30 (11.07%) NoSQL
2 24 (8.86%) MongoDB
3 20 (7.38%) MySQL
4 11 (4.06%) Azure SQL Database
5 10 (3.69%) Relational Database
6 9 (3.32%) PostgreSQL
6 9 (3.32%) RDBMS
6 9 (3.32%) SQL Server
7 8 (2.95%) Redis
8 2 (0.74%) Amazon DynamoDB
8 2 (0.74%) Amazon RDS
8 2 (0.74%) Big Data
8 2 (0.74%) MariaDB
8 2 (0.74%) Oracle Database
9 1 (0.37%) Amazon Aurora
9 1 (0.37%) Apache Hive
9 1 (0.37%) Blockchain
9 1 (0.37%) Hadoop
9 1 (0.37%) Impala
9 1 (0.37%) SQL Server Analysis Services
Development Applications
1 79 (29.15%) Git (software)
2 77 (28.41%) webpack
3 46 (16.97%) Jasmine
4 43 (15.87%) Mocha
5 27 (9.96%) Cypress.io
5 27 (9.96%) Jenkins
6 26 (9.59%) Selenium
7 25 (9.23%) JIRA
8 22 (8.12%) gulp
9 20 (7.38%) Cucumber
10 16 (5.90%) Babel
11 15 (5.54%) CircleCI
12 14 (5.17%) PostCSS
13 13 (4.80%) TestCafe
14 10 (3.69%) git-flow
14 10 (3.69%) Grunt
14 10 (3.69%) Protractor
15 8 (2.95%) NUnit
16 7 (2.58%) SpecFlow
17 5 (1.85%) Visual Studio
General
1 46 (16.97%) Finance
2 15 (5.54%) Public Sector
3 12 (4.43%) Banking
4 10 (3.69%) Front Office
5 7 (2.58%) Retail
6 6 (2.21%) Law
6 6 (2.21%) Publishing
7 4 (1.48%) Marketing
8 1 (0.37%) Back Office
8 1 (0.37%) Electronics
8 1 (0.37%) Investment Banking
8 1 (0.37%) Manufacturing
8 1 (0.37%) Retail Banking
8 1 (0.37%) Telecoms
Job Titles
1 211 (77.86%) Developer
2 78 (28.78%) React Developer
3 52 (19.19%) Front End Developer (Client-Side Developer)
4 40 (14.76%) Full Stack Developer
5 38 (14.02%) Node.js Developer
6 35 (12.92%) Senior Developer
7 29 (10.70%) JavaScript Developer
8 20 (7.38%) UI Developer
9 17 (6.27%) Digital Developer
10 12 (4.43%) .NET Developer
11 11 (4.06%) JavaScript Engineer
12 9 (3.32%) Java Developer
13 8 (2.95%) Angular Developer
13 8 (2.95%) Architect
13 8 (2.95%) Azure Developer
13 8 (2.95%) Technical Architect
14 7 (2.58%) Senior React Developer
15 6 (2.21%) Automation Tester
15 6 (2.21%) Senior Front-End Developer
15 6 (2.21%) Tester
Libraries, Frameworks & Software Standards
1 170 (62.73%) Node.js
2 154 (56.83%) React
3 148 (54.61%) CSS
4 142 (52.40%) Redux
5 105 (38.75%) HTML
6 72 (26.57%) Enzyme
7 64 (23.62%) Sass
8 60 (22.14%) HTML5
9 43 (15.87%) GraphQL
10 42 (15.50%) AngularJS
11 40 (14.76%) CSS3
12 39 (14.39%) REST
12 39 (14.39%) Vue.js
13 38 (14.02%) Express
13 38 (14.02%) RESTful
14 31 (11.44%) .NET
15 22 (8.12%) Web Services
16 14 (5.17%) .NET Core
16 14 (5.17%) LESS
16 14 (5.17%) React Native
Miscellaneous
1 63 (23.25%) User Experience
2 27 (9.96%) Analytical Skills
3 26 (9.59%) Algorithms
3 26 (9.59%) Data Structures
4 10 (3.69%) Greenfield Project
5 9 (3.32%) Public Cloud
6 7 (2.58%) Mobile App
7 4 (1.48%) Self-Motivation
8 3 (1.11%) Foreign Exchange (FX)
8 3 (1.11%) iPad
8 3 (1.11%) W3C
9 2 (0.74%) Virtual Team
9 2 (0.74%) Web 2.0
10 1 (0.37%) Client/Server
10 1 (0.37%) Digital Media
10 1 (0.37%) Fixed Income
10 1 (0.37%) Linux Command Line
10 1 (0.37%) Replication
10 1 (0.37%) Social Media
10 1 (0.37%) State Machine
Operating Systems
1 11 (4.06%) Linux
2 3 (1.11%) CentOS
2 3 (1.11%) Red Hat Enterprise Linux
2 3 (1.11%) Unix
3 2 (0.74%) Apple iOS
4 1 (0.37%) Android
Processes & Methodologies
1 139 (51.29%) Agile Software Development
2 64 (23.62%) Front End Development
3 62 (22.88%) Scrum
4 61 (22.51%) TDD
5 57 (21.03%) Test Automation
6 50 (18.45%) Microservices
7 45 (16.61%) DevOps
8 44 (16.24%) Continuous Integration
9 41 (15.13%) Problem-Solving
10 36 (13.28%) OO
11 35 (12.92%) Kanban
12 33 (12.18%) BDD
12 33 (12.18%) Unit Testing
13 31 (11.44%) Computer Science
14 30 (11.07%) API Design
15 26 (9.59%) OOD
16 20 (7.38%) E-Commerce
16 20 (7.38%) Responsive Web Design
17 18 (6.64%) Fintech
17 18 (6.64%) Software Engineering
Programming Languages
1 216 (79.70%) JavaScript
2 96 (35.42%) ES6
3 87 (32.10%) TypeScript
4 48 (17.71%) SQL
5 30 (11.07%) Java
6 25 (9.23%) C#
7 13 (4.80%) ES7
8 9 (3.32%) Python
9 8 (2.95%) PHP
10 6 (2.21%) T-SQL
11 3 (1.11%) Bash Shell
11 3 (1.11%) C++
11 3 (1.11%) Elm
11 3 (1.11%) Shell Script
12 2 (0.74%) Go
12 2 (0.74%) Java 8
12 2 (0.74%) Perl
12 2 (0.74%) Ruby
13 1 (0.37%) Lua
13 1 (0.37%) XPath
Qualifications
1 6 (2.21%) Security Cleared
2 5 (1.85%) Degree
3 3 (1.11%) BPSS Clearance
3 3 (1.11%) Computer Science Degree
3 3 (1.11%) DBS Check
3 3 (1.11%) SC Cleared
4 2 (0.74%) AWS Certification
Quality Assurance & Compliance
1 13 (4.80%) QA
2 2 (0.74%) WCAG
System Software
1 74 (27.31%) Docker
2 1 (0.37%) Active Directory
2 1 (0.37%) Varnish
Systems Management
1 62 (22.88%) Kubernetes
2 32 (11.81%) Terraform
3 3 (1.11%) Ansible
3 3 (1.11%) Kibana
4 2 (0.74%) Docker Swarm
4 2 (0.74%) Istio
4 2 (0.74%) OpenNebula
5 1 (0.37%) Marathon
5 1 (0.37%) Mesos
5 1 (0.37%) Opscode Chef
5 1 (0.37%) Puppet
Vendors
1 31 (11.44%) Google
2 15 (5.54%) Microsoft
3 14 (5.17%) Atlassian
4 5 (1.85%) IBM
5 4 (1.48%) New Relic
5 4 (1.48%) Oracle
6 3 (1.11%) hybris
6 3 (1.11%) Sitecore
6 3 (1.11%) Twitter
7 2 (0.74%) Facebook
8 1 (0.37%) SAP
8 1 (0.37%) Splunk
8 1 (0.37%) WSO2