Period
to 21 October 2020

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 21 October 2020 with a comparison to the same period in the previous 2 years.

Jest
UK
6 months to
21 Oct 2020
Same period 2019 Same period 2018
Rank 393 663 828
Rank change year-on-year +270 +165 +325
Permanent jobs citing Jest 322 466 353
As % of all permanent jobs advertised in the UK 0.66% 0.34% 0.22%
As % of the Libraries, Frameworks & Software Standards category 1.50% 0.91% 0.54%
Number of salaries quoted 312 433 289
Median annual salary £65,000 £60,000 £60,000
Median salary % change year-on-year +8.33% - -7.69%
10th Percentile £42,500 £42,500 £37,500
90th Percentile £88,750 £88,750 £90,000
UK excluding London median annual salary £50,000 £57,500 £50,000
% change year-on-year -13.04% +15.00% +11.11%

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 21,419 51,371 65,427
As % of all permanent IT jobs advertised in the UK 43.82% 37.51% 40.00%
Number of salaries quoted 18,272 42,213 54,108
Median annual salary £57,500 £55,000 £51,273
Median salary % change year-on-year +4.55% +7.27% +2.55%
10th Percentile £35,000 £32,500 £31,250
90th Percentile £93,750 £87,500 £82,500
UK excluding London median annual salary £50,000 £45,000 £45,000
% change year-on-year +11.11% - +5.88%

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
Salary Trend

3-month moving average salary quoted in jobs citing Jest.

Salary trend for Jest in the UK

Jest
Salary Histogram

Salary distribution for jobs citing Jest over the 6 months to 21 October 2020.

Salary histogram for Jest in the UK

Jest
Top 17 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 21 October 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
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
England +245 302 £65,000 +8.33% 81
London +183 191 £72,500 +16.00% 63
UK excluding London +264 127 £50,000 -13.04% 22
Midlands +144 39 £51,000 -11.30% 4
West Midlands +125 37 £51,000 -2.86% 3
Work from Home -8 29 £60,000 - 27
North of England +164 23 £50,000 +5.26% 6
South West +117 23 £45,000 -33.33% 5
South East +146 19 £65,000 +8.33% 3
North West +117 11 £50,000 - 4
Yorkshire +127 9 £52,500 +31.25% 1
Scotland +87 8 £47,000 -14.55% 4
East of England +147 6 £47,500 -9.52%
Wales +49 5 £40,000 -
Northern Ireland +23 4 £60,000 +26.32%
North East +22 3 £45,000 +95.65% 1
East Midlands +83 2 - - 1

For the 6 months to 21 October 2020, 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.

1 284 (88.20%) JavaScript
2 199 (61.80%) Agile Software Development
3 190 (59.01%) React
4 162 (50.31%) Node.js
5 151 (46.89%) Redux
6 133 (41.30%) CSS
7 128 (39.75%) Front End Development
8 114 (35.40%) HTML
9 111 (34.47%) Enzyme
10 105 (32.61%) TDD
11 102 (31.68%) TypeScript
12 99 (30.75%) Mocha
13 85 (26.40%) Git (software)
13 85 (26.40%) Sass
14 83 (25.78%) ES6
15 78 (24.22%) Fintech
16 77 (23.91%) webpack
16 77 (23.91%) Unit Testing
17 73 (22.67%) Vue.js
18 67 (20.81%) REST
19 66 (20.50%) Scrum
20 62 (19.25%) Docker
21 61 (18.94%) Software Engineering
22 60 (18.63%) Jasmine
23 56 (17.39%) AngularJS
23 56 (17.39%) AWS
24 51 (15.84%) Test Automation
25 49 (15.22%) Finance
26 46 (14.29%) Machine Learning
27 45 (13.98%) Cypress.io

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 15 (4.66%) Confluence
2 6 (1.86%) nginx
3 3 (0.93%) Elasticsearch
4 1 (0.31%) CMS
4 1 (0.31%) Drupal
Applications
1 22 (6.83%) Chatbot
2 3 (0.93%) Photoshop
3 1 (0.31%) Adobe Illustrator
3 1 (0.31%) GIMP
Business Applications
1 1 (0.31%) Dynamics CRM
Cloud Services
1 56 (17.39%) AWS
2 31 (9.63%) npm
3 23 (7.14%) Azure
4 17 (5.28%) Serverless
5 15 (4.66%) OpenShift
6 12 (3.73%) AWS Lambda
7 9 (2.80%) AWS CloudFormation
8 7 (2.17%) GitHub
8 7 (2.17%) SaaS
9 6 (1.86%) Amazon S3
10 5 (1.55%) Cloud Computing
10 5 (1.55%) Cloudflare
10 5 (1.55%) Firebase
11 4 (1.24%) AWS CodeBuild
11 4 (1.24%) GCP
12 3 (0.93%) Amazon CloudWatch
12 3 (0.93%) BrowserStack
12 3 (0.93%) Yarn
13 2 (0.62%) BlazeMeter
14 1 (0.31%) AWS CodePipeline
Communications & Networking
1 11 (3.42%) HTTP
2 8 (2.48%) Internet
3 1 (0.31%) SSH
Database & Business Intelligence
1 17 (5.28%) Relational Database
2 15 (4.66%) MongoDB
3 12 (3.73%) PostgreSQL
3 12 (3.73%) Redis
4 10 (3.11%) MySQL
5 7 (2.17%) Big Data
6 6 (1.86%) Amazon DynamoDB
7 4 (1.24%) NoSQL
8 3 (0.93%) SQL Server
9 2 (0.62%) Amazon RDS
9 2 (0.62%) Oracle Database
10 1 (0.31%) BigQuery
10 1 (0.31%) Hadoop
Development Applications
1 99 (30.75%) Mocha
2 85 (26.40%) Git (software)
3 77 (23.91%) webpack
4 60 (18.63%) Jasmine
5 45 (13.98%) Cypress.io
6 34 (10.56%) JUnit
7 32 (9.94%) JIRA
8 25 (7.76%) CircleCI
9 23 (7.14%) Cucumber
10 22 (6.83%) Babel
10 22 (6.83%) Selenium
11 14 (4.35%) Bitbucket
11 14 (4.35%) Jenkins
12 11 (3.42%) ESLint
12 11 (3.42%) RSpec
13 8 (2.48%) git-flow
14 7 (2.17%) TestCafe
15 6 (1.86%) NUnit
16 5 (1.55%) TestNG
16 5 (1.55%) Visual Studio Code
General
1 49 (15.22%) Finance
2 22 (6.83%) Retail
3 9 (2.80%) Games
4 7 (2.17%) Banking
5 6 (1.86%) Manufacturing
6 5 (1.55%) Marketing
7 3 (0.93%) Public Sector
8 2 (0.62%) Back Office
8 2 (0.62%) Financial Institution
9 1 (0.31%) Billing
9 1 (0.31%) Front Office
9 1 (0.31%) Legal
9 1 (0.31%) Publishing
9 1 (0.31%) Telecoms
Job Titles
1 212 (65.84%) Developer
2 89 (27.64%) Front End Developer (Client-Side Developer)
3 80 (24.84%) React Developer
4 72 (22.36%) JavaScript Developer
5 46 (14.29%) JavaScript Engineer
6 41 (12.73%) Full Stack Developer
7 38 (11.80%) Senior Developer
8 35 (10.87%) Software Engineer
9 26 (8.07%) Senior React Developer
10 21 (6.52%) Test Engineer
11 18 (5.59%) Java Developer
11 18 (5.59%) Java Software Developer
12 17 (5.28%) Java Engineer
13 16 (4.97%) Senior Front-End Developer
14 15 (4.66%) Developer in Test
14 15 (4.66%) Developer/Software Engineer
14 15 (4.66%) Java Developer in Test
14 15 (4.66%) Java Software Engineer
14 15 (4.66%) Software Test Engineer
15 14 (4.35%) Node.js Developer
Libraries, Frameworks & Software Standards
1 190 (59.01%) React
2 162 (50.31%) Node.js
3 151 (46.89%) Redux
4 133 (41.30%) CSS
5 114 (35.40%) HTML
6 111 (34.47%) Enzyme
7 85 (26.40%) Sass
8 73 (22.67%) Vue.js
9 67 (20.81%) REST
10 56 (17.39%) AngularJS
11 45 (13.98%) Web Services
12 43 (13.35%) HTML5
13 41 (12.73%) CSS3
14 39 (12.11%) Express
15 30 (9.32%) RESTful
16 27 (8.39%) Semantic UI
17 25 (7.76%) .NET
17 25 (7.76%) Next.js
18 24 (7.45%) GraphQL
19 23 (7.14%) Natural Language Processing
Miscellaneous
1 44 (13.66%) User Experience
2 25 (7.76%) Analytical Skills
3 20 (6.21%) Greenfield Project
4 15 (4.66%) Mobile App
5 13 (4.04%) Enterprise Software
6 6 (1.86%) Cloud Native
6 6 (1.86%) Data Structures
6 6 (1.86%) W3C
7 4 (1.24%) Self-Motivation
8 3 (0.93%) Augmented Reality
8 3 (0.93%) Blog
9 2 (0.62%) e-Learning
10 1 (0.31%) Foreign Exchange (FX)
10 1 (0.31%) Hedge funds
10 1 (0.31%) Social Media
10 1 (0.31%) Spread Betting
Operating Systems
1 14 (4.35%) Linux
2 3 (0.93%) Android
3 2 (0.62%) Apple iOS
3 2 (0.62%) Windows
4 1 (0.31%) Unix
Processes & Methodologies
1 199 (61.80%) Agile Software Development
2 128 (39.75%) Front End Development
3 105 (32.61%) TDD
4 78 (24.22%) Fintech
5 77 (23.91%) Unit Testing
6 66 (20.50%) Scrum
7 61 (18.94%) Software Engineering
8 51 (15.84%) Test Automation
9 46 (14.29%) Machine Learning
10 43 (13.35%) Artificial Intelligence
11 39 (12.11%) BDD
12 37 (11.49%) DevOps
13 34 (10.56%) Mentoring
14 33 (10.25%) Microservices
15 28 (8.70%) Web Design
16 27 (8.39%) Problem-Solving
17 24 (7.45%) ATDD
17 24 (7.45%) SOLID
18 22 (6.83%) Conversational UI
19 21 (6.52%) Web Accessibility
Programming Languages
1 284 (88.20%) JavaScript
2 102 (31.68%) TypeScript
3 83 (25.78%) ES6
4 44 (13.66%) Java
5 27 (8.39%) Python
6 21 (6.52%) C#
7 18 (5.59%) SQL
8 12 (3.73%) ES8
9 10 (3.11%) ES7
10 9 (2.80%) PHP
11 5 (1.55%) C
12 4 (1.24%) C++
13 3 (0.93%) Ruby
14 2 (0.62%) Go
14 2 (0.62%) Java 8
15 1 (0.31%) Bash Shell
15 1 (0.31%) Scala
Qualifications
1 33 (10.25%) Degree
2 15 (4.66%) Computer Science Degree
3 2 (0.62%) DV Cleared
3 2 (0.62%) HND
3 2 (0.62%) Security Cleared
4 1 (0.31%) AWS Certification
4 1 (0.31%) ISEB
4 1 (0.31%) ISTQB
4 1 (0.31%) ISTQB Foundation Certification
4 1 (0.31%) Master's Degree
Quality Assurance & Compliance
1 37 (11.49%) QA
2 1 (0.31%) Data Quality
System Software
1 62 (19.25%) Docker
Systems Management
1 40 (12.42%) Kubernetes
2 5 (1.55%) Ansible
2 5 (1.55%) Opscode Chef
3 4 (1.24%) Terraform
4 3 (0.93%) Rundeck
5 2 (0.62%) Hadoop YARN
6 1 (0.31%) HP ALM
Vendors
1 6 (1.86%) Autodesk
1 6 (1.86%) Mapbox
2 5 (1.55%) Atlassian
3 4 (1.24%) Google
3 4 (1.24%) Telstra
4 3 (0.93%) Microsoft
5 2 (0.62%) Oracle
6 1 (0.31%) Apple
6 1 (0.31%) DevExpress
6 1 (0.31%) HP
6 1 (0.31%) New Relic
6 1 (0.31%) Sun
6 1 (0.31%) TIBCO