Period
to 24 September 2020

The following table provides summary statistics for contract job vacancies advertised in Central London with a requirement for Jest skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Jest over the 6 months to 24 September 2020 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Jest
London > Central London
6 months to
24 Sep 2020
Same period 2019 Same period 2018
Rank 114 232 262
Rank change year-on-year +118 +30 -1
Contract jobs citing Jest 9 37 34
As % of all contract jobs advertised in Central London 0.44% 0.46% 0.38%
As % of the Libraries, Frameworks & Software Standards category 1.48% 1.26% 0.90%
Number of daily rates quoted 8 29 31
Median daily rate £550 £530 £525
Median daily rate % change year-on-year +3.77% +0.95% +10.53%
10th Percentile £477 £413 £450
90th Percentile £583 £575 £650
London median daily rate £475 £528 £513
% change year-on-year -9.95% +2.93% +7.89%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
London median hourly rate - - -

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

All Software Libraries and Frameworks
Central London
Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 609 2,936 3,760
As % of all contract IT jobs advertised in Central London 29.94% 36.75% 41.67%
Number of daily rates quoted 454 2,385 3,080
Median daily rate £525 £525 £525
10th Percentile £365 £400 £375
90th Percentile £688 £675 £663
London median daily rate £525 £525 £519
% change year-on-year - +1.20% +3.75%
Number of hourly rates quoted 7 8 9
Median hourly rate £35.00 £46.85 £32.00
Median hourly rate % change year-on-year -25.29% +46.40% +48.84%
10th Percentile £29.05 £21.95 £19.76
90th Percentile £43.10 £86.25 £70.15
Median hourly rate £35.00 £47.83 £43.83
% change year-on-year -26.82% +9.12% +25.24%

Jest
Job Vacancy Trend in Central London

Job postings citing Jest as a proportion of all IT jobs advertised in Central London.

Job vacancy trend for Jest in Central London

Jest
Contractor Daily Rate Trend in Central London

3-month moving average daily rate quoted in jobs citing Jest in Central London.

Daily rate trend for Jest in Central London

Jest
Daily Rate Histogram in Central London

Daily rate distribution for jobs citing Jest in Central London over the 6 months to 24 September 2020.

Daily rate histogram for Jest in Central London

Jest
Contract Job Locations in Central London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Jest within the Central London region over the 6 months to 24 September 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
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
City of London +95 9 £550 +4.76% 17
Southwark - 1 £600 -
City of Westminster - 1 - -
Jest
London

For the 6 months to 24 September 2020, IT contractor 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 contract job ads across the Central London region with a requirement for Jest.

1 5 (55.56%) JavaScript
2 4 (44.44%) CSS
2 4 (44.44%) Agile Software Development
2 4 (44.44%) Node.js
2 4 (44.44%) Jasmine
2 4 (44.44%) Front End Development
2 4 (44.44%) ES6
2 4 (44.44%) HTML
3 3 (33.33%) React
3 3 (33.33%) Redux
3 3 (33.33%) TDD
3 3 (33.33%) Unit Testing
3 3 (33.33%) Finance
4 2 (22.22%) Banking
4 2 (22.22%) Continuous Integration
4 2 (22.22%) AWS
4 2 (22.22%) Sass
4 2 (22.22%) SDLC
4 2 (22.22%) REST
4 2 (22.22%) Test Automation
4 2 (22.22%) Cucumber
4 2 (22.22%) PhantomJS
4 2 (22.22%) TypeScript
4 2 (22.22%) Docker
5 1 (11.11%) User Experience
5 1 (11.11%) Microservices
5 1 (11.11%) Algorithms
5 1 (11.11%) GCP
5 1 (11.11%) Kubernetes
5 1 (11.11%) BDD

Jest
Co-occurring IT Skills in Central 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:

Cloud Services
1 2 (22.22%) AWS
2 1 (11.11%) Azure
2 1 (11.11%) BlazeMeter
2 1 (11.11%) GCP
Database & Business Intelligence
1 1 (11.11%) PostgreSQL
Development Applications
1 4 (44.44%) Jasmine
2 2 (22.22%) Cucumber
2 2 (22.22%) PhantomJS
3 1 (11.11%) Cypress.io
3 1 (11.11%) Git (software)
3 1 (11.11%) JIRA
3 1 (11.11%) Mocha
3 1 (11.11%) Protractor
3 1 (11.11%) Selenium
3 1 (11.11%) TestCafe
General
1 3 (33.33%) Finance
2 2 (22.22%) Banking
3 1 (11.11%) Financial Institution
3 1 (11.11%) Law
Job Titles
1 6 (66.67%) Developer
2 3 (33.33%) JavaScript Developer
2 3 (33.33%) React Developer
3 2 (22.22%) Front End Developer (Client-Side Developer)
3 2 (22.22%) Node.js Developer
4 1 (11.11%) Angular Developer
4 1 (11.11%) Architect
4 1 (11.11%) Backend Developer
4 1 (11.11%) GUI Architect
4 1 (11.11%) JavaScript Engineer
4 1 (11.11%) Senior Developer
4 1 (11.11%) Senior Front-End Developer
4 1 (11.11%) Senior JavaScript Developer
4 1 (11.11%) Senior React Developer
4 1 (11.11%) Test Automation Developer
Libraries, Frameworks & Software Standards
1 4 (44.44%) CSS
1 4 (44.44%) HTML
1 4 (44.44%) Node.js
2 3 (33.33%) React
2 3 (33.33%) Redux
3 2 (22.22%) REST
3 2 (22.22%) Sass
4 1 (11.11%) Angular 2
4 1 (11.11%) AngularJS
4 1 (11.11%) Apache Flex
4 1 (11.11%) Enzyme
4 1 (11.11%) FIX Protocol
4 1 (11.11%) Gherkin
4 1 (11.11%) Next.js
4 1 (11.11%) React Native
4 1 (11.11%) RxJS
4 1 (11.11%) SOAP
4 1 (11.11%) Swagger
4 1 (11.11%) Symfony
4 1 (11.11%) Web Services
Miscellaneous
1 1 (11.11%) Algorithms
1 1 (11.11%) Blog
1 1 (11.11%) Derivative
1 1 (11.11%) Equities
1 1 (11.11%) Equity Derivative
1 1 (11.11%) Foreign Exchange (FX)
1 1 (11.11%) Greenfield Project
1 1 (11.11%) User Experience
Operating Systems
1 1 (11.11%) Linux
Processes & Methodologies
1 4 (44.44%) Agile Software Development
1 4 (44.44%) Front End Development
2 3 (33.33%) TDD
2 3 (33.33%) Unit Testing
3 2 (22.22%) Continuous Integration
3 2 (22.22%) SDLC
3 2 (22.22%) Test Automation
4 1 (11.11%) API Development
4 1 (11.11%) BDD
4 1 (11.11%) Computer Science
4 1 (11.11%) Continuous Delivery
4 1 (11.11%) Functional Testing
4 1 (11.11%) Machine Learning
4 1 (11.11%) Microservices
4 1 (11.11%) Non-Functional Testing
4 1 (11.11%) Open Source
4 1 (11.11%) Rapid Prototyping
4 1 (11.11%) Test Scripting
4 1 (11.11%) Test Strategy
4 1 (11.11%) Validation
Programming Languages
1 5 (55.56%) JavaScript
2 4 (44.44%) ES6
3 2 (22.22%) TypeScript
4 1 (11.11%) ES7
4 1 (11.11%) PHP
Qualifications
1 1 (11.11%) Computer Science Degree
1 1 (11.11%) Degree
Quality Assurance & Compliance
1 1 (11.11%) QA
System Software
1 2 (22.22%) Docker
Systems Management
1 1 (11.11%) Kubernetes