Period
to 18 February 2019

The following table provides summary statistics for permanent job vacancies with a requirement for Jest skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Jest over the 6 months to 18 February 2019 with a comparison to the same period in the previous 2 years.

Jest
UK
6 months to
18 Feb 2019
Same period 2018 Same period 2017
Rank 836 1013 1170
Rank change year-on-year +177 +157 +139
Permanent jobs citing Jest 302 193 20
As % of all permanent IT jobs advertised in the UK 0.20% 0.11% 0.011%
As % of the Libraries, Frameworks & Software Standards category 0.50% 0.27% 0.029%
Number of salaries quoted 227 165 18
UK median annual salary £60,000 £55,000 £63,750
Median salary % change year-on-year +9.09% -13.73% +2.00%
10th Percentile £41,250 £32,200 £32,500
90th Percentile £86,250 £79,000 £75,000
UK excluding London median annual salary £47,500 £40,000 £37,500
% change year-on-year +18.75% +6.67% -

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

All Software Libraries and Frameworks
UK
Permanent vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 59,816 70,768 68,827
As % of all permanent IT jobs advertised in the UK 39.72% 40.62% 39.41%
Number of salaries quoted 49,045 59,705 59,325
UK median annual salary £52,500 £50,000 £47,500
Median salary % change year-on-year +5.00% +5.26% +5.56%
10th Percentile £31,250 £30,000 £29,000
90th Percentile £85,000 £78,500 £76,250
UK excluding London median annual salary £45,000 £42,500 £42,500
% change year-on-year +5.88% - +6.25%

Jest
Job Vacancy Trend

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

Job vacancy trend for Jest in the UK

Jest
Salary Trend

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing Jest.

Salary trend for Jest in the UK

Jest
Salary Histogram

The salary distribution of IT jobs citing Jest over the 6 months to 18 February 2019.

Salary histogram for Jest in the UK

Jest
Top 15 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Jest within the UK over the 6 months to 18 February 2019. 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
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
England +211 292 £60,000 +9.09% 141
London +129 206 £67,500 +3.85% 90
UK excluding London +95 89 £47,500 +18.75% 57
South East +39 46 £50,000 +17.65% 18
North of England +53 25 £45,000 +91.49% 18
North West +59 20 £45,000 +12.50% 7
East of England +51 6 £49,000 - 8
Midlands +37 6 £50,000 +5.26% 5
East Midlands - 5 £55,000 - 2
Yorkshire +38 4 £60,000 +155.32% 10
South West +19 3 £47,500 +35.71% 2
Wales +11 2 £40,000 +5.26% 2
West Midlands +26 1 £45,000 -5.26% 3
North East +20 1 - - 1
Scotland +2 1 £45,000 +32.35% 4

For the 6 months to 18 February 2019, IT 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 permanent job ads with a requirement for Jest.

1 240 (79.47%) JavaScript
2 173 (57.28%) CSS
3 168 (55.63%) HTML
4 157 (51.99%) Redux
5 152 (50.33%) React
6 146 (48.34%) Front End Development
7 134 (44.37%) Agile Software Development
8 127 (42.05%) Mocha
9 119 (39.40%) ES6
10 113 (37.42%) AngularJS
10 113 (37.42%) Node.js
11 112 (37.09%) webpack
12 107 (35.43%) TDD
13 106 (35.10%) Git (software)
14 85 (28.15%) User Experience
15 83 (27.48%) Test Automation
16 81 (26.82%) Unit Testing
17 78 (25.83%) Jasmine
18 75 (24.83%) Sass
19 72 (23.84%) HTML5
20 69 (22.85%) Enzyme
21 65 (21.52%) Java
22 62 (20.53%) BDD
23 61 (20.20%) CSS3
24 60 (19.87%) gulp
25 57 (18.87%) Scrum
25 57 (18.87%) Selenium
26 55 (18.21%) REST
27 54 (17.88%) RESTful
28 51 (16.89%) Chai

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 (5.63%) Confluence
2 8 (2.65%) Cloud Foundry
2 8 (2.65%) Elasticsearch
2 8 (2.65%) Mule
3 7 (2.32%) Ethereum
3 7 (2.32%) Tomcat
4 5 (1.66%) CMS
4 5 (1.66%) WordPress
5 4 (1.32%) Drupal
5 4 (1.32%) Sitecore CMS
6 2 (0.66%) Apache
6 2 (0.66%) Apache Solr
7 1 (0.33%) Apache Spark
7 1 (0.33%) WebSphere
7 1 (0.33%) WebSphere Application Server
Applications
1 5 (1.66%) Photoshop
2 2 (0.66%) Adobe Illustrator
3 1 (0.33%) Chatbot
Business Applications
1 2 (0.66%) Magento
Cloud Services
1 49 (16.23%) npm
2 48 (15.89%) Amazon AWS
3 38 (12.58%) Microsoft Azure
4 31 (10.26%) GitHub
5 30 (9.93%) SaaS
6 27 (8.94%) Serverless
7 15 (4.97%) AWS Lambda
8 14 (4.64%) PaaS
9 10 (3.31%) Amazon S3
10 9 (2.98%) Slack
11 8 (2.65%) Amazon EC2
11 8 (2.65%) Yarn
12 7 (2.32%) BrowserStack
13 6 (1.99%) AWS CloudFormation
13 6 (1.99%) Cloud Computing
14 5 (1.66%) IaaS
14 5 (1.66%) Sumo Logic
15 3 (0.99%) Amazon Kinesis
16 2 (0.66%) CloudFront
16 2 (0.66%) Google Analytics
Communications & Networking
1 2 (0.66%) HTTP
2 1 (0.33%) Internet
Database & Business Intelligence
1 21 (6.95%) PostgreSQL
2 15 (4.97%) NoSQL
3 11 (3.64%) MySQL
4 10 (3.31%) Blockchain
5 9 (2.98%) SQL Server
6 8 (2.65%) Redis
7 7 (2.32%) MongoDB
8 5 (1.66%) Amazon DynamoDB
8 5 (1.66%) Relational Database
9 2 (0.66%) Big Data
10 1 (0.33%) Apache Cassandra
10 1 (0.33%) BigQuery
10 1 (0.33%) Data Warehouse
10 1 (0.33%) Hadoop
Development Applications
1 127 (42.05%) Mocha
2 112 (37.09%) webpack
3 106 (35.10%) Git (software)
4 78 (25.83%) Jasmine
5 60 (19.87%) gulp
6 57 (18.87%) Selenium
7 46 (15.23%) Jenkins
8 45 (14.90%) JIRA
9 38 (12.58%) Babel
10 23 (7.62%) Grunt
11 20 (6.62%) TeamCity
12 19 (6.29%) Cucumber
12 19 (6.29%) Karma Test Runner
13 16 (5.30%) Bitbucket
14 12 (3.97%) GitLab
14 12 (3.97%) JUnit
14 12 (3.97%) Sinon.JS
15 11 (3.64%) Sonatype Nexus
15 11 (3.64%) Travis CI
16 9 (2.98%) Maven
General
1 48 (15.89%) Finance
2 35 (11.59%) Retail
3 24 (7.95%) Games
4 23 (7.62%) Banking
5 16 (5.30%) Automotive
6 15 (4.97%) Front Office
7 7 (2.32%) Publishing
8 6 (1.99%) Telecoms
9 4 (1.32%) Advertising
9 4 (1.32%) Manufacturing
9 4 (1.32%) Marketing
10 1 (0.33%) Private Banking
Job Titles
1 229 (75.83%) Developer
2 98 (32.45%) Front End Developer (Client-Side Developer)
3 60 (19.87%) React Developer
4 59 (19.54%) Senior Developer
5 58 (19.21%) JavaScript Developer
6 32 (10.60%) Full Stack Developer
7 21 (6.95%) Senior Front-End Developer
8 20 (6.62%) Web Developer
9 19 (6.29%) Software Developer
9 19 (6.29%) Software Engineer
10 18 (5.96%) HTML CSS Developer
10 18 (5.96%) HTML Developer
11 16 (5.30%) Lead Developer
11 16 (5.30%) Node.js Developer
12 15 (4.97%) Senior React Developer
13 12 (3.97%) Senior JavaScript Developer
14 9 (2.98%) Java Developer
15 8 (2.65%) Java Engineer
15 8 (2.65%) Senior Full Stack Developer
15 8 (2.65%) Senior Web Developer
Libraries, Frameworks & Software Standards
1 173 (57.28%) CSS
2 168 (55.63%) HTML
3 157 (51.99%) Redux
4 152 (50.33%) React
5 113 (37.42%) AngularJS
5 113 (37.42%) Node.js
6 75 (24.83%) Sass
7 72 (23.84%) HTML5
8 69 (22.85%) Enzyme
9 61 (20.20%) CSS3
10 55 (18.21%) REST
11 54 (17.88%) RESTful
12 51 (16.89%) Chai
13 44 (14.57%) Vue.js
14 27 (8.94%) Web Services
15 25 (8.28%) React Native
16 24 (7.95%) LESS
17 22 (7.28%) .NET
17 22 (7.28%) Express
18 19 (6.29%) jQuery
Miscellaneous
1 85 (28.15%) User Experience
2 24 (7.95%) Greenfield Project
3 22 (7.28%) Mobile App
4 8 (2.65%) Data Structures
5 6 (1.99%) Bitcoin
5 6 (1.99%) Fintech
6 5 (1.66%) Analytical Skills
7 4 (1.32%) Algorithms
8 3 (0.99%) Enterprise Software
8 3 (0.99%) Foreign Exchange (FX)
8 3 (0.99%) Linux Command Line
8 3 (0.99%) Online Banking
8 3 (0.99%) Social Media
9 2 (0.66%) Grid Computing
9 2 (0.66%) iPhone
9 2 (0.66%) Online Gambling
9 2 (0.66%) Self-Motivation
9 2 (0.66%) Tandem
9 2 (0.66%) Virtual Team
10 1 (0.33%) State Machine
Operating Systems
1 26 (8.61%) Linux
2 12 (3.97%) Apple iOS
3 9 (2.98%) Android
4 6 (1.99%) VMS
4 6 (1.99%) Windows
5 5 (1.66%) Ubuntu
6 2 (0.66%) Windows Server
Processes & Methodologies
1 146 (48.34%) Front End Development
2 134 (44.37%) Agile Software Development
3 107 (35.43%) TDD
4 83 (27.48%) Test Automation
5 81 (26.82%) Unit Testing
6 62 (20.53%) BDD
7 57 (18.87%) Scrum
8 41 (13.58%) Continuous Integration
9 40 (13.25%) DevOps
9 40 (13.25%) Microservices
10 37 (12.25%) Software Engineering
11 31 (10.26%) MVC
11 31 (10.26%) Web Development
12 28 (9.27%) Kanban
13 23 (7.62%) Problem-Solving
14 22 (7.28%) Computer Science
15 21 (6.95%) E-Commerce
16 20 (6.62%) Open Source
17 19 (6.29%) Mentoring
18 16 (5.30%) Continuous Delivery
Programming Languages
1 240 (79.47%) JavaScript
2 119 (39.40%) ES6
3 65 (21.52%) Java
4 41 (13.58%) TypeScript
5 35 (11.59%) Python
6 33 (10.93%) C#
7 32 (10.60%) PHP
8 22 (7.28%) SQL
9 10 (3.31%) Go
10 9 (2.98%) Java 8
11 7 (2.32%) ES7
12 6 (1.99%) Apple Swift
12 6 (1.99%) Scala
12 6 (1.99%) Solidity
13 5 (1.66%) Bash Shell
13 5 (1.66%) F#
14 4 (1.32%) Ruby
15 3 (0.99%) Haskell
15 3 (0.99%) Lua
15 3 (0.99%) Shell Script
Qualifications
1 28 (9.27%) Degree
2 5 (1.66%) Computer Science Degree
3 4 (1.32%) ISEB
3 4 (1.32%) SC Cleared
3 4 (1.32%) Security Cleared
4 2 (0.66%) ISEB Practitioner
5 1 (0.33%) Numerate Degree
Quality Assurance & Compliance
1 33 (10.93%) QA
2 6 (1.99%) WCAG
System Software
1 43 (14.24%) Docker
2 6 (1.99%) Virtual Machines
Systems Management
1 10 (3.31%) Terraform
2 9 (2.98%) Kubernetes
3 6 (1.99%) Docker Swarm
4 5 (1.66%) HAProxy
4 5 (1.66%) Packer
5 3 (0.99%) Opscode Chef
6 2 (0.66%) Consul
6 2 (0.66%) Grafana
6 2 (0.66%) Hadoop YARN
Vendors
1 21 (6.95%) Cypress Semiconductor
2 10 (3.31%) Microsoft
3 9 (2.98%) Apple
4 8 (2.65%) AppDynamics
4 8 (2.65%) Splunk
5 5 (1.66%) Google
5 5 (1.66%) New Relic
5 5 (1.66%) Sencha
6 4 (1.32%) Sitecore
7 3 (0.99%) SAP
8 2 (0.66%) Cadence
8 2 (0.66%) Oracle
9 1 (0.33%) IBM
9 1 (0.33%) Intel
9 1 (0.33%) Mapbox
9 1 (0.33%) Peoplefluent