Period
to 16 September 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 16 September 2019 with a comparison to the same period in the previous 2 years.

Jest
UK
6 months to
16 Sep 2019
Same period 2018 Same period 2017
Rank 658 796 1159
Rank change year-on-year +138 +363 +101
Permanent jobs citing Jest 473 376 62
As % of all permanent IT jobs advertised in the UK 0.34% 0.23% 0.035%
As % of the Libraries, Frameworks & Software Standards category 0.90% 0.57% 0.087%
Number of salaries quoted 385 287 60
UK median annual salary £60,000 £60,000 £68,750
Median salary % change year-on-year - -12.73% +14.58%
10th Percentile £41,250 £37,500 £39,500
90th Percentile £88,250 £90,000 £85,000
UK excluding London median annual salary £55,000 £50,000 £42,500
% change year-on-year +10.00% +17.65% +21.43%

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 52,671 66,347 71,075
As % of all permanent IT jobs advertised in the UK 37.39% 40.04% 40.30%
Number of salaries quoted 43,183 54,979 58,779
UK median annual salary £52,500 £50,000 £47,500
Median salary % change year-on-year +5.00% +5.26% -
10th Percentile £32,000 £31,250 £29,000
90th Percentile £87,500 £82,500 £77,500
UK excluding London median annual salary £45,000 £45,000 £42,500
% change year-on-year - +5.88% +2.41%

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 16 September 2019.

Salary histogram for Jest in the UK

Jest
Top 16 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 16 September 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 +148 449 £60,000 -4.00% 87
London +114 284 £62,500 -3.85% 53
UK excluding London +138 188 £55,000 +10.00% 41
South East +66 87 £57,500 +15.00% 8
North of England +16 31 £47,500 -5.00% 15
North West +28 24 £55,000 +17.65% 9
Midlands +38 21 £53,750 +22.86% 3
South West +21 19 £67,500 -3.57% 4
Scotland +20 17 £57,500 +69.12% 7
West Midlands +42 12 £47,500 +8.57% 2
East Midlands - 9 £60,000 - 1
East of England +86 8 £42,500 - 4
Yorkshire -8 6 £40,000 -20.00% 6
Northern Ireland - 4 £47,500 -
Wales +3 2 £51,250 +28.13%
North East +16 1 £23,000 -

For the 6 months to 16 September 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.

1 391 (82.66%) JavaScript
2 293 (61.95%) Agile Software Development
2 293 (61.95%) React
3 257 (54.33%) CSS
4 225 (47.57%) HTML
5 215 (45.45%) Redux
6 197 (41.65%) TDD
7 196 (41.44%) Node.js
8 181 (38.27%) Scrum
9 176 (37.21%) webpack
10 171 (36.15%) ES6
11 161 (34.04%) Enzyme
12 160 (33.83%) Git (software)
13 158 (33.40%) Front End Development
14 143 (30.23%) Mocha
15 134 (28.33%) Continuous Integration
16 133 (28.12%) AngularJS
16 133 (28.12%) User Experience
17 132 (27.91%) Unit Testing
18 131 (27.70%) HTML5
19 127 (26.85%) Jasmine
20 115 (24.31%) BDD
21 112 (23.68%) Docker
22 109 (23.04%) Sass
23 106 (22.41%) JIRA
24 104 (21.99%) Jenkins
24 104 (21.99%) Microservices
25 100 (21.14%) CSS3
26 98 (20.72%) Chai
27 93 (19.66%) Kanban

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 48 (10.15%) Confluence
2 23 (4.86%) CMS
3 18 (3.81%) Drupal
3 18 (3.81%) WordPress
4 17 (3.59%) Sitecore CMS
5 16 (3.38%) SugarCRM
6 12 (2.54%) Apache
7 8 (1.69%) Apache Solr
8 5 (1.06%) nginx
9 4 (0.85%) Apache Spark
9 4 (0.85%) Elasticsearch
10 3 (0.63%) Headless CMS
10 3 (0.63%) Tornado
11 1 (0.21%) ColdFusion
11 1 (0.21%) SAS
Applications
1 5 (1.06%) Photoshop
2 2 (0.42%) Sketch
3 1 (0.21%) Mingle
Business Applications
1 2 (0.42%) R3 Corda
Cloud Services
1 84 (17.76%) AWS
2 72 (15.22%) npm
3 56 (11.84%) GitHub
4 51 (10.78%) Azure
4 51 (10.78%) Serverless
5 38 (8.03%) SaaS
6 27 (5.71%) GCP
7 22 (4.65%) Slack
8 12 (2.54%) Yarn
9 9 (1.90%) PaaS
10 7 (1.48%) IaaS
11 5 (1.06%) BrowserStack
12 4 (0.85%) AWS Elastic Beanstalk
12 4 (0.85%) AWS IoT
12 4 (0.85%) AWS Lambda
12 4 (0.85%) Azure Functions
12 4 (0.85%) Sauce Labs
12 4 (0.85%) Sumo Logic
13 3 (0.63%) AWS CloudFormation
13 3 (0.63%) Google Analytics
Communications & Networking
1 7 (1.48%) HTTP
2 3 (0.63%) Reverse Proxy
3 1 (0.21%) Internet
Database & Business Intelligence
1 43 (9.09%) PostgreSQL
2 36 (7.61%) Redis
3 24 (5.07%) MongoDB
3 24 (5.07%) NoSQL
4 22 (4.65%) MySQL
5 19 (4.02%) Amazon DynamoDB
6 14 (2.96%) Big Data
6 14 (2.96%) SQL Server
7 11 (2.33%) Data Lake
8 10 (2.11%) Azure SQL Data Warehouse
8 10 (2.11%) Cosmos DB
8 10 (2.11%) Data Warehouse
8 10 (2.11%) Geospatial Data
9 6 (1.27%) Blockchain
10 3 (0.63%) Amazon Redshift
10 3 (0.63%) Apache Cassandra
10 3 (0.63%) JasperReports
10 3 (0.63%) Neo4j
11 2 (0.42%) GIS
11 2 (0.42%) Hadoop
Development Applications
1 176 (37.21%) webpack
2 160 (33.83%) Git (software)
3 143 (30.23%) Mocha
4 127 (26.85%) Jasmine
5 106 (22.41%) JIRA
6 104 (21.99%) Jenkins
7 73 (15.43%) Selenium
8 61 (12.90%) Cucumber
9 59 (12.47%) Sinon.JS
10 54 (11.42%) gulp
11 45 (9.51%) Karma Test Runner
12 44 (9.30%) Protractor
13 38 (8.03%) Babel
13 38 (8.03%) Grunt
14 29 (6.13%) GitLab
15 28 (5.92%) TeamCity
15 28 (5.92%) WebDriver
16 24 (5.07%) Octopus Deploy
17 21 (4.44%) CircleCI
18 14 (2.96%) git-flow
General
1 86 (18.18%) Finance
2 52 (10.99%) Games
3 49 (10.36%) Retail
4 36 (7.61%) Marketing
5 28 (5.92%) Telecoms
6 27 (5.71%) Manufacturing
7 26 (5.50%) Public Sector
8 25 (5.29%) Electronics
9 14 (2.96%) Advertising
10 9 (1.90%) Banking
11 8 (1.69%) Publishing
12 5 (1.06%) Front Office
13 4 (0.85%) Legal
14 3 (0.63%) Financial Institution
15 2 (0.42%) Back Office
16 1 (0.21%) Automotive
16 1 (0.21%) Law
16 1 (0.21%) Music Industry
Job Titles
1 338 (71.46%) Developer
2 134 (28.33%) Front End Developer (Client-Side Developer)
3 101 (21.35%) React Developer
4 93 (19.66%) Senior Developer
5 76 (16.07%) JavaScript Developer
6 50 (10.57%) Software Engineer
7 38 (8.03%) Node.js Developer
8 36 (7.61%) Senior Front-End Developer
9 33 (6.98%) UI Developer
10 30 (6.34%) Full Stack Developer
11 29 (6.13%) Software Developer
12 22 (4.65%) Lead Developer
13 21 (4.44%) Games Developer
13 21 (4.44%) Senior React Developer
14 19 (4.02%) Development Engineer
14 19 (4.02%) Senior Games Developer
14 19 (4.02%) Software Development Engineer
15 17 (3.59%) Senior JavaScript Developer
15 17 (3.59%) Web Engineer
16 15 (3.17%) Senior Web Engineer
Libraries, Frameworks & Software Standards
1 293 (61.95%) React
2 257 (54.33%) CSS
3 225 (47.57%) HTML
4 215 (45.45%) Redux
5 196 (41.44%) Node.js
6 161 (34.04%) Enzyme
7 133 (28.12%) AngularJS
8 131 (27.70%) HTML5
9 109 (23.04%) Sass
10 100 (21.14%) CSS3
11 98 (20.72%) Chai
12 87 (18.39%) REST
13 76 (16.07%) RESTful
14 72 (15.22%) Vue.js
15 55 (11.63%) .NET
16 47 (9.94%) React Native
17 42 (8.88%) Gherkin
17 42 (8.88%) LESS
18 36 (7.61%) JSON
18 36 (7.61%) Twitter Bootstrap
Miscellaneous
1 133 (28.12%) User Experience
2 44 (9.30%) Algorithms
3 40 (8.46%) Data Structures
4 34 (7.19%) Online Gambling
5 31 (6.55%) Greenfield Project
6 17 (3.59%) Enterprise Software
7 14 (2.96%) Self-Motivation
8 13 (2.75%) Mobile App
9 10 (2.11%) iPad
10 9 (1.90%) Analytical Skills
10 9 (1.90%) Management Information System
10 9 (1.90%) Xbox
11 7 (1.48%) PlayStation
12 6 (1.27%) Linux Command Line
13 5 (1.06%) e-Learning
14 4 (0.85%) Social Media
15 3 (0.63%) Smart City
16 2 (0.42%) Hedge funds
16 2 (0.42%) Online Banking
16 2 (0.42%) Renewable Energy
Operating Systems
1 40 (8.46%) Linux
2 15 (3.17%) Apple iOS
3 14 (2.96%) Android
4 11 (2.33%) Windows
5 4 (0.85%) Windows Server
6 3 (0.63%) Unix
Processes & Methodologies
1 293 (61.95%) Agile Software Development
2 197 (41.65%) TDD
3 181 (38.27%) Scrum
4 158 (33.40%) Front End Development
5 134 (28.33%) Continuous Integration
6 132 (27.91%) Unit Testing
7 115 (24.31%) BDD
8 104 (21.99%) Microservices
9 93 (19.66%) Kanban
10 92 (19.45%) DevOps
11 91 (19.24%) Problem-Solving
12 84 (17.76%) Test Automation
13 79 (16.70%) Computer Science
14 66 (13.95%) Continuous Delivery
14 66 (13.95%) Software Engineering
15 65 (13.74%) Mentoring
16 62 (13.11%) OO
17 55 (11.63%) SOLID
18 51 (10.78%) Continuous Improvement
18 51 (10.78%) MVC
Programming Languages
1 391 (82.66%) JavaScript
2 171 (36.15%) ES6
3 79 (16.70%) TypeScript
4 64 (13.53%) Java
5 60 (12.68%) C#
6 59 (12.47%) ES7
7 41 (8.67%) PHP
8 31 (6.55%) Python
9 28 (5.92%) SQL
10 20 (4.23%) ES8
11 11 (2.33%) Scala
12 10 (2.11%) Kotlin
13 8 (1.69%) Go
14 7 (1.48%) PowerShell
15 6 (1.27%) Java 8
16 5 (1.06%) Apple Swift
16 5 (1.06%) Bash Shell
17 4 (0.85%) Ruby
18 3 (0.63%) C
18 3 (0.63%) Groovy
Qualifications
1 82 (17.34%) Degree
2 28 (5.92%) Computer Science Degree
3 3 (0.63%) PhD
4 2 (0.42%) DBS Check
4 2 (0.42%) ISEB
4 2 (0.42%) Master's Degree
5 1 (0.21%) ISTQB
Quality Assurance & Compliance
1 43 (9.09%) QA
2 1 (0.21%) PSD2
System Software
1 112 (23.68%) Docker
Systems Management
1 51 (10.78%) Kubernetes
2 32 (6.77%) Terraform
3 19 (4.02%) Ansible
3 19 (4.02%) Docker Swarm
3 19 (4.02%) Marathon
3 19 (4.02%) Mesos
4 9 (1.90%) Opscode Chef
5 4 (0.85%) Grafana
5 4 (0.85%) HAProxy
5 4 (0.85%) Packer
6 2 (0.42%) Single Sign-On
Vendors
1 39 (8.25%) Cypress Semiconductor
2 25 (5.29%) SAP
3 20 (4.23%) hybris
4 17 (3.59%) Sitecore
5 12 (2.54%) Apple
6 11 (2.33%) Databricks
6 11 (2.33%) Google
7 9 (1.90%) New Relic
8 6 (1.27%) Microsoft
8 6 (1.27%) Spotify
9 4 (0.85%) Oracle
10 2 (0.42%) Adobe
10 2 (0.42%) BT
10 2 (0.42%) Facebook
10 2 (0.42%) Netlify
10 2 (0.42%) Optimizely
11 1 (0.21%) Atlassian
11 1 (0.21%) Sencha