Period
to 19 January 2020

The following table provides summary statistics for permanent job vacancies advertised in the City of London 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 19 January 2020 with a comparison to the same period in the previous 2 years.

Jest
Central London > City of London
6 months to
19 Jan 2020
Same period 2019 Same period 2018
Rank 276 295 323
Rank change year-on-year +19 +28 +12
Permanent jobs citing Jest 32 34 15
As % of all permanent IT jobs advertised in the City of London 0.35% 0.33% 0.14%
As % of the Libraries, Frameworks & Software Standards category 0.91% 0.76% 0.35%
Number of salaries quoted 27 30 13
City of London median annual salary £65,000 £67,500 £60,000
Median salary % change year-on-year -3.70% +12.50% -4.00%
10th Percentile £42,500 £51,125 £51,500
90th Percentile £92,500 £91,000 £77,500
Central London median annual salary £70,000 £65,000 £57,500
% change year-on-year +7.69% +13.04% -8.00%

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

All Software Libraries and Frameworks
City of London
Permanent vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 3,535 4,483 4,248
As % of all permanent IT jobs advertised in the City of London 39.01% 43.82% 40.52%
Number of salaries quoted 3,142 4,084 3,812
City of London median annual salary £70,000 £67,500 £62,500
Median salary % change year-on-year +3.70% +8.00% +4.17%
10th Percentile £45,000 £42,500 £40,800
90th Percentile £97,500 £92,500 £92,500
Central London median annual salary £70,000 £65,000 £60,000
% change year-on-year +7.69% +8.33% +4.35%

Jest
Job Vacancy Trend in the City of London

Job postings citing Jest as a percentage of all IT jobs advertised in the City of London.

Job vacancy trend for Jest in the City of London

Jest
Salary Trend in the City of London

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

Salary trend for Jest in the City of London

Jest
Salary Histogram in the City of London

The salary distribution of IT jobs citing Jest in the City of London over the 6 months to 19 January 2020.

Salary histogram for Jest in the City of London

Jest
Job Locations in the City of London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Jest within the City of London region over the 6 months to 19 January 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
London Bridge - 2 £62,500 -
Jest
Central London

For the 6 months to 19 January 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 across the City of London region with a requirement for Jest.

1 22 (68.75%) JavaScript
2 19 (59.38%) Front End Development
3 16 (50.00%) Redux
3 16 (50.00%) TDD
4 15 (46.88%) HTML
4 15 (46.88%) CSS
4 15 (46.88%) Sass
4 15 (46.88%) webpack
5 14 (43.75%) React
5 14 (43.75%) ES6
6 13 (40.63%) Git (software)
7 12 (37.50%) TypeScript
7 12 (37.50%) User Experience
8 11 (34.38%) HTML5
8 11 (34.38%) Agile Software Development
9 10 (31.25%) Jasmine
9 10 (31.25%) Enzyme
10 9 (28.13%) Vue.js
10 9 (28.13%) Unit Testing
11 8 (25.00%) CSS3
12 7 (21.88%) AngularJS
12 7 (21.88%) Web Development
12 7 (21.88%) Scrum
12 7 (21.88%) Fintech
12 7 (21.88%) GraphQL
13 6 (18.75%) Mentoring
13 6 (18.75%) Finance
13 6 (18.75%) Grunt
13 6 (18.75%) LESS
13 6 (18.75%) Node.js

Jest
Co-occurring IT Skills in the City of London 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 1 (3.13%) Apache
1 1 (3.13%) ColdFusion
1 1 (3.13%) Elasticsearch
1 1 (3.13%) nginx
Applications
1 3 (9.38%) Sketch
2 1 (3.13%) Figma
2 1 (3.13%) Photoshop
Business Applications
1 2 (6.25%) R3 Corda
Cloud Services
1 5 (15.63%) AWS
2 4 (12.50%) npm
3 3 (9.38%) GCP
4 2 (6.25%) Azure
4 2 (6.25%) GitHub
5 1 (3.13%) Amazon S3
5 1 (3.13%) AWS CodePipeline
5 1 (3.13%) AWS Lambda
5 1 (3.13%) CloudFront
5 1 (3.13%) Heroku
5 1 (3.13%) Route 53
5 1 (3.13%) SaaS
5 1 (3.13%) Serverless
Database & Business Intelligence
1 2 (6.25%) NoSQL
1 2 (6.25%) Redis
1 2 (6.25%) SQL Server
2 1 (3.13%) Amazon DynamoDB
2 1 (3.13%) BigQuery
2 1 (3.13%) Blockchain
2 1 (3.13%) MongoDB
2 1 (3.13%) PostgreSQL
Development Applications
1 15 (46.88%) webpack
2 13 (40.63%) Git (software)
3 10 (31.25%) Jasmine
4 6 (18.75%) Grunt
5 5 (15.63%) gulp
6 4 (12.50%) JIRA
6 4 (12.50%) Protractor
7 3 (9.38%) Mocha
7 3 (9.38%) TeamCity
8 2 (6.25%) Bitbucket
8 2 (6.25%) Bower
8 2 (6.25%) Cucumber
8 2 (6.25%) Cypress.io
8 2 (6.25%) JIRA Agile
8 2 (6.25%) Octopus Deploy
9 1 (3.13%) Appium
9 1 (3.13%) Babel
9 1 (3.13%) CircleCI
9 1 (3.13%) Karma Test Runner
9 1 (3.13%) Sinon.JS
General
1 6 (18.75%) Finance
2 4 (12.50%) Retail
3 1 (3.13%) Advertising
3 1 (3.13%) Automotive
3 1 (3.13%) Banking
3 1 (3.13%) Games
3 1 (3.13%) Marketing
3 1 (3.13%) Music Industry
3 1 (3.13%) Retail Finance
Job Titles
1 28 (87.50%) Developer
2 13 (40.63%) Front End Developer (Client-Side Developer)
3 9 (28.13%) React Developer
4 7 (21.88%) Senior Developer
5 4 (12.50%) JavaScript Developer
6 3 (9.38%) Full Stack Developer
6 3 (9.38%) Senior Front-End Developer
6 3 (9.38%) Web Developer
7 2 (6.25%) Front End Web Developer (Client-Side Developer)
7 2 (6.25%) Lead Developer
7 2 (6.25%) Senior React Developer
8 1 (3.13%) Digital Developer
8 1 (3.13%) Java Developer
8 1 (3.13%) Java Engineer
8 1 (3.13%) Python Developer
8 1 (3.13%) Ruby Developer
8 1 (3.13%) Senior JavaScript Developer
8 1 (3.13%) Senior Python Developer
8 1 (3.13%) Software Developer
8 1 (3.13%) UI Developer
Libraries, Frameworks & Software Standards
1 16 (50.00%) Redux
2 15 (46.88%) CSS
2 15 (46.88%) HTML
2 15 (46.88%) Sass
3 14 (43.75%) React
4 11 (34.38%) HTML5
5 10 (31.25%) Enzyme
6 9 (28.13%) Vue.js
7 8 (25.00%) CSS3
8 7 (21.88%) AngularJS
8 7 (21.88%) GraphQL
9 6 (18.75%) LESS
9 6 (18.75%) Node.js
9 6 (18.75%) REST
10 5 (15.63%) jQuery
10 5 (15.63%) Vuex
11 4 (12.50%) .NET
11 4 (12.50%) Apollo GraphQL
12 3 (9.38%) .NET Framework
12 3 (9.38%) Ajax
Miscellaneous
1 12 (37.50%) User Experience
2 5 (15.63%) Enterprise Software
3 2 (6.25%) Mobile App
4 1 (3.13%) Analytical Skills
4 1 (3.13%) Graphic Design
4 1 (3.13%) Self-Motivation
4 1 (3.13%) Smart City
Operating Systems
1 5 (15.63%) Linux
Processes & Methodologies
1 19 (59.38%) Front End Development
2 16 (50.00%) TDD
3 11 (34.38%) Agile Software Development
4 9 (28.13%) Unit Testing
5 7 (21.88%) Fintech
5 7 (21.88%) Scrum
5 7 (21.88%) Web Development
6 6 (18.75%) Mentoring
7 5 (15.63%) SOA
7 5 (15.63%) Workflow
8 4 (12.50%) Analytics
8 4 (12.50%) Continuous Integration
8 4 (12.50%) MVC
8 4 (12.50%) Responsive Web Design
9 3 (9.38%) BDD
9 3 (9.38%) BEM - Block Element Modifier
9 3 (9.38%) Computer Science
9 3 (9.38%) OO
10 2 (6.25%) DevOps
10 2 (6.25%) Microservices
Programming Languages
1 22 (68.75%) JavaScript
2 14 (43.75%) ES6
3 12 (37.50%) TypeScript
4 5 (15.63%) Java
4 5 (15.63%) Python
5 4 (12.50%) C#
6 3 (9.38%) ES7
7 2 (6.25%) PHP
8 1 (3.13%) Apple Swift
8 1 (3.13%) Go
8 1 (3.13%) Kotlin
8 1 (3.13%) Objective-C
8 1 (3.13%) Ruby
8 1 (3.13%) SQL
8 1 (3.13%) XAML
Qualifications
1 2 (6.25%) Degree
2 1 (3.13%) Computer Science Degree
Quality Assurance & Compliance
1 1 (3.13%) QA
1 1 (3.13%) WCAG
System Software
1 2 (6.25%) Docker
Systems Management
1 3 (9.38%) Kubernetes
2 1 (3.13%) Terraform
Vendors
1 5 (15.63%) Google
2 3 (9.38%) Microsoft
3 2 (6.25%) Adobe
4 1 (3.13%) DevExpress
4 1 (3.13%) Spotify