Period
to 12 June 2021

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 12 June 2021 with a comparison to the same period in the previous 2 years.

Jest
UK
6 months to
12 Jun 2021
Same period 2020 Same period 2019
Rank 329 445 726
Rank change year-on-year +116 +281 +121
Permanent jobs citing Jest 960 521 400
As % of all permanent jobs advertised in the UK 0.96% 0.62% 0.28%
As % of the Libraries, Frameworks & Software Standards category 2.33% 1.55% 0.73%
Number of salaries quoted 464 447 333
10th Percentile £38,750 £42,500 £41,250
25th Percentile £47,000 £46,250 £45,000
Median annual salary (50th Percentile) £60,000 £60,000 £57,500
Median % change year-on-year - +4.35% +4.55%
75th Percentile £73,750 £82,500 £71,250
90th Percentile £92,125 £95,000 £86,000
UK excluding London median annual salary £50,500 £50,000 £48,000
% change year-on-year +1.00% +4.17% +9.09%

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 41,182 33,519 54,799
As % of all permanent IT jobs advertised in the UK 41.16% 39.70% 38.13%
Number of salaries quoted 28,851 27,752 45,321
10th Percentile £35,000 £33,500 £31,250
25th Percentile £42,500 £42,000 £38,250
Median annual salary (50th Percentile) £56,322 £55,000 £52,500
Median % change year-on-year +2.40% +4.76% +5.00%
75th Percentile £75,000 £75,000 £71,250
90th Percentile £92,500 £91,250 £85,000
UK excluding London median annual salary £50,000 £47,500 £45,000
% change year-on-year +5.26% +5.56% -

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 12 June 2021.

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 12 June 2021. 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 +115 904 £60,500 -3.20% 142
London +87 670 £65,000 -10.34% 79
UK excluding London +17 239 £50,500 +1.00% 69
Work from Home -41 220 £60,000 +9.09% 37
South East +31 71 £55,000 +13.40% 16
North of England -1 62 £50,000 +7.53% 28
South West -37 49 £42,500 -20.93% 5
North West +4 36 £50,000 -9.09% 14
Midlands -48 34 £57,500 +15.00% 12
West Midlands -41 28 £60,000 +20.00% 12
Yorkshire -25 26 £52,500 +21.39% 11
Scotland -30 12 £55,000 +16.40% 4
East Midlands -22 6 £46,250 +5.71%
East of England -22 6 £30,000 -47.83% 1
Wales -3 5 £65,000 +52.94% 3
Northern Ireland -19 2 £47,500 -7.32%

For the 6 months to 12 June 2021, 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.

1 737 (76.77%) JavaScript
2 587 (61.15%) React
3 522 (54.38%) TypeScript
4 511 (53.23%) Agile Software Development
5 496 (51.67%) CSS
6 453 (47.19%) Node.js
7 435 (45.31%) Front End Development
8 402 (41.88%) HTML
9 349 (36.35%) Git (software)
9 349 (36.35%) Cypress.io
10 304 (31.67%) Software Engineering
11 282 (29.38%) Redux
12 278 (28.96%) AWS
13 272 (28.33%) User Experience
14 257 (26.77%) AngularJS
15 243 (25.31%) TDD
16 234 (24.38%) Vue.js
17 223 (23.23%) Docker
18 222 (23.13%) GraphQL
19 216 (22.50%) Test Automation
20 214 (22.29%) webpack
21 213 (22.19%) Sass
22 198 (20.63%) REST
23 194 (20.21%) Microservices
24 186 (19.38%) ES6
25 167 (17.40%) Unit Testing
25 167 (17.40%) Scrum
26 160 (16.67%) Social Skills
27 158 (16.46%) Enzyme
28 154 (16.04%) CSS3

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 42 (4.38%) CMS
2 33 (3.44%) Confluence
3 15 (1.56%) Elasticsearch
4 13 (1.35%) Apache Spark
5 9 (0.94%) IIS
6 7 (0.73%) Apache
6 7 (0.73%) Drupal
7 6 (0.63%) Headless CMS
7 6 (0.63%) Kentico
8 5 (0.52%) WordPress
9 4 (0.42%) Adobe Experience Manager
9 4 (0.42%) Oracle SOA Suite
10 3 (0.31%) Apache Solr
10 3 (0.31%) EPiServer
10 3 (0.31%) Sitecore CMS
10 3 (0.31%) Umbraco
11 1 (0.10%) Moodle
11 1 (0.10%) nginx
Applications
1 9 (0.94%) UXPin
2 7 (0.73%) Figma
2 7 (0.73%) Photoshop
2 7 (0.73%) Zeplin
3 6 (0.63%) Chatbot
4 5 (0.52%) AutoCAD
4 5 (0.52%) Revit
5 2 (0.21%) Adobe Creative Suite
5 2 (0.21%) Adobe Illustrator
5 2 (0.21%) Fireworks
5 2 (0.21%) Sketch
6 1 (0.10%) Adobe Premiere
6 1 (0.10%) Adobe XD
6 1 (0.10%) Final Cut Pro
6 1 (0.10%) GIMP
6 1 (0.10%) Microsoft Excel
6 1 (0.10%) Microsoft Office
6 1 (0.10%) Microsoft PowerPoint
Business Applications
1 3 (0.31%) Sentinel
2 1 (0.10%) NetSuite
Cloud Services
1 278 (28.96%) AWS
2 141 (14.69%) Azure
3 111 (11.56%) Serverless
4 109 (11.35%) GitHub
5 107 (11.15%) SaaS
6 70 (7.29%) npm
7 69 (7.19%) AWS Lambda
8 61 (6.35%) Amazon S3
9 52 (5.42%) GCP
10 39 (4.06%) Amazon EKS
11 34 (3.54%) Amazon SQS
11 34 (3.54%) Slack
12 26 (2.71%) AWS CloudFormation
13 24 (2.50%) AWS Elastic Beanstalk
14 23 (2.40%) Amazon Cognito
14 23 (2.40%) Amazon EC2
15 21 (2.19%) AWS Fargate
16 19 (1.98%) BrowserStack
17 18 (1.88%) DigitalOcean
18 17 (1.77%) CloudFront
Communications & Networking
1 28 (2.92%) HTTP
2 7 (0.73%) Internet
3 6 (0.63%) Network Security
3 6 (0.63%) SSH
4 3 (0.31%) DNS
4 3 (0.31%) Skype
4 3 (0.31%) SMS
5 2 (0.21%) Intranet
Database & Business Intelligence
1 133 (13.85%) PostgreSQL
2 89 (9.27%) NoSQL
3 79 (8.23%) MySQL
4 58 (6.04%) MongoDB
5 52 (5.42%) Amazon DynamoDB
6 42 (4.38%) Relational Database
7 36 (3.75%) Amazon Redshift
8 31 (3.23%) Amazon RDS
9 23 (2.40%) BigQuery
10 21 (2.19%) Big Data
11 19 (1.98%) SQL Server
12 16 (1.67%) Amazon Aurora
13 14 (1.46%) Redis
14 11 (1.15%) Presto
15 6 (0.63%) Data Warehouse
15 6 (0.63%) MariaDB
15 6 (0.63%) SQL Server 2012
15 6 (0.63%) SQL Server Reporting Services
16 5 (0.52%) NewSQL
17 3 (0.31%) SQLite
Development Applications
1 349 (36.35%) Cypress.io
1 349 (36.35%) Git (software)
2 214 (22.29%) webpack
3 136 (14.17%) Jasmine
4 127 (13.23%) Mocha
5 90 (9.38%) Storybook
6 78 (8.13%) Jenkins
7 67 (6.98%) Babel
8 63 (6.56%) gulp
8 63 (6.56%) JIRA
9 61 (6.35%) CircleCI
10 50 (5.21%) JUnit
11 47 (4.90%) GitLab
12 41 (4.27%) Cucumber
13 40 (4.17%) Karma Test Runner
13 40 (4.17%) Selenium
14 32 (3.33%) TeamCity
15 27 (2.81%) git-flow
15 27 (2.81%) PHPUnit
16 24 (2.50%) EasyMock
General
1 160 (16.67%) Social Skills
2 140 (14.58%) Finance
3 100 (10.42%) Marketing
4 75 (7.81%) Retail
5 44 (4.58%) Games
6 29 (3.02%) Analytical Skills
7 25 (2.60%) Banking
8 23 (2.40%) Public Sector
9 22 (2.29%) Telecoms
10 17 (1.77%) Advertising
10 17 (1.77%) Organisational Skills
11 15 (1.56%) Financial Institution
12 14 (1.46%) Publishing
13 13 (1.35%) Back Office
14 12 (1.25%) Electronics
14 12 (1.25%) Manufacturing
15 7 (0.73%) Brand Awareness
16 5 (0.52%) Pharmaceutical
17 4 (0.42%) Front Office
17 4 (0.42%) Law
Job Titles
1 500 (52.08%) Developer
2 274 (28.54%) Front End Developer (Client-Side Developer)
3 144 (15.00%) Software Engineer
4 122 (12.71%) React Developer
5 93 (9.69%) Senior Developer
6 63 (6.56%) Senior Software Engineer
7 58 (6.04%) Full Stack Developer
8 57 (5.94%) JavaScript Developer
9 44 (4.58%) Senior Front-End Developer
10 33 (3.44%) JavaScript Engineer
11 30 (3.13%) Software Developer
12 29 (3.02%) Senior React Developer
13 24 (2.50%) PHP Developer
14 22 (2.29%) Backend Developer
15 19 (1.98%) Angular Developer
15 19 (1.98%) QA Engineer
16 18 (1.88%) AWS Engineer
16 18 (1.88%) AWS Software Engineer
16 18 (1.88%) DevOps Engineer
17 17 (1.77%) Senior JavaScript Developer
Libraries, Frameworks & Software Standards
1 587 (61.15%) React
2 496 (51.67%) CSS
3 453 (47.19%) Node.js
4 402 (41.88%) HTML
5 282 (29.38%) Redux
6 257 (26.77%) AngularJS
7 234 (24.38%) Vue.js
8 222 (23.13%) GraphQL
9 213 (22.19%) Sass
10 198 (20.63%) REST
11 158 (16.46%) Enzyme
12 154 (16.04%) CSS3
13 153 (15.94%) HTML5
14 147 (15.31%) RESTful
15 132 (13.75%) React Native
16 118 (12.29%) Next.js
17 99 (10.31%) Web Services
18 93 (9.69%) .NET
19 86 (8.96%) LESS
20 51 (5.31%) Express
Miscellaneous
1 272 (28.33%) User Experience
2 77 (8.02%) Mobile App
3 54 (5.63%) Greenfield Project
4 42 (4.38%) Self-Motivation
5 38 (3.96%) Virtual Team
6 32 (3.33%) Enterprise Software
7 24 (2.50%) Augmented Reality
8 22 (2.29%) Algorithms
8 22 (2.29%) Video\Live Streaming
9 18 (1.88%) Data Structures
10 16 (1.67%) Management Information System
10 16 (1.67%) Wiki
11 15 (1.56%) Social Network
12 14 (1.46%) W3C
13 11 (1.15%) Linux Command Line
14 8 (0.83%) Pricing Data
15 7 (0.73%) Blog
15 7 (0.73%) Renewable Energy
15 7 (0.73%) Smartphone
16 6 (0.63%) EPoS
Operating Systems
1 68 (7.08%) Android
2 66 (6.88%) Apple iOS
3 22 (2.29%) Windows
4 19 (1.98%) Linux
5 6 (0.63%) tvOS
Processes & Methodologies
1 511 (53.23%) Agile Software Development
2 435 (45.31%) Front End Development
3 304 (31.67%) Software Engineering
4 243 (25.31%) TDD
5 216 (22.50%) Test Automation
6 194 (20.21%) Microservices
7 167 (17.40%) Scrum
7 167 (17.40%) Unit Testing
8 140 (14.58%) Mentoring
9 132 (13.75%) Continuous Integration
10 123 (12.81%) DevOps
11 118 (12.29%) Problem-Solving
12 109 (11.35%) Fintech
13 96 (10.00%) E-Commerce
14 92 (9.58%) Computer Science
15 78 (8.13%) Refactoring
15 78 (8.13%) Web Development
16 76 (7.92%) Analytics
16 76 (7.92%) Machine Learning
17 73 (7.60%) Responsive Web Design
Programming Languages
1 737 (76.77%) JavaScript
2 522 (54.38%) TypeScript
3 186 (19.38%) ES6
4 120 (12.50%) Java
5 118 (12.29%) SQL
6 94 (9.79%) Python
7 91 (9.48%) C#
8 64 (6.67%) PHP
9 53 (5.52%) Go
10 24 (2.50%) ES7
11 22 (2.29%) Ruby
12 16 (1.67%) Kotlin
13 15 (1.56%) PowerShell
14 14 (1.46%) PHP 7
15 12 (1.25%) Apple Swift
16 11 (1.15%) Objective-C
17 10 (1.04%) C
17 10 (1.04%) Dart
18 9 (0.94%) C++
19 8 (0.83%) JSX
Qualifications
1 136 (14.17%) Degree
2 44 (4.58%) Computer Science Degree
3 37 (3.85%) Master's Degree
4 13 (1.35%) Numerate Degree
5 7 (0.73%) PhD
6 3 (0.31%) AWS Certification
7 2 (0.21%) ISTQB
7 2 (0.21%) Postgraduate
8 1 (0.10%) ISEB
8 1 (0.10%) SC Cleared
8 1 (0.10%) Security Cleared
Quality Assurance & Compliance
1 82 (8.54%) QA
2 75 (7.81%) Accessibility
3 24 (2.50%) WCAG
4 3 (0.31%) GDPR
4 3 (0.31%) PCI DSS
4 3 (0.31%) WAI
System Software
1 223 (23.23%) Docker
2 15 (1.56%) Active Directory
3 6 (0.63%) Ceph
4 2 (0.21%) Varnish
Systems Management
1 136 (14.17%) Kubernetes
2 32 (3.33%) Terraform
3 31 (3.23%) Istio
4 20 (2.08%) Opscode Chef
4 20 (2.08%) Prometheus
5 6 (0.63%) Ansible
5 6 (0.63%) Galera Cluster
6 2 (0.21%) OpenNebula
7 1 (0.10%) Bugsnag
Vendors
1 82 (8.54%) Microsoft
2 60 (6.25%) Google
3 30 (3.13%) Oracle
4 12 (1.25%) Samsung
4 12 (1.25%) SAP
5 9 (0.94%) Apple
6 8 (0.83%) Facebook
6 8 (0.83%) Qubit
6 8 (0.83%) Spotify
7 7 (0.73%) Adobe
7 7 (0.73%) BT
8 6 (0.63%) Netlify
8 6 (0.63%) Percona
8 6 (0.63%) Roku
9 5 (0.52%) Atlassian
9 5 (0.52%) Autodesk
9 5 (0.52%) Elastic Path
9 5 (0.52%) LexisNexis
9 5 (0.52%) New Relic
9 5 (0.52%) YouTube