Period
to 19 August 2018

The following table provides summary statistics for contract job vacancies advertised in 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 19 August 2018 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
England > London
6 months to
19 Aug 2018
Same period 2017 Same period 2016
Rank 442 570 621
Rank change year-on-year +128 +51 -
Contract jobs citing Jest 187 29 4
As % of all contract IT jobs advertised in London 0.41% 0.067% 0.009%
As % of the Libraries, Frameworks & Software Standards category 1.06% 0.18% 0.027%
Number of daily rates quoted 155 19 1
London median daily rate £513 £475 £300
Median daily rate % change year-on-year +7.89% +58.33% -
10th Percentile £421 £423 £250
90th Percentile £625 £538 £350
England median daily rate £500 £470 £300
% change year-on-year +6.38% +56.67% -
Number of hourly rates quoted 0 0 0
London median hourly rate - - -
England 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 London with a requirement for technical specification, industry standards, software libraries and framework skills.

All Software Libraries and Frameworks
London
Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 17,616 15,736 15,031
As % of all contract IT jobs advertised in London 38.69% 36.53% 33.27%
Number of daily rates quoted 13,369 11,696 11,346
London median daily rate £513 £500 £463
Median daily rate % change year-on-year +2.50% +8.11% +2.78%
10th Percentile £363 £350 £313
90th Percentile £675 £650 £625
England median daily rate £475 £450 £425
% change year-on-year +5.56% +5.88% +6.25%
Number of hourly rates quoted 102 102 54
London median hourly rate £43.50 £40.00 £40.00
Median hourly rate % change year-on-year +8.75% - +9.59%
10th Percentile £20.42 £19.03 £19.00
90th Percentile £77.00 £52.95 £56.32
England median hourly rate £41.57 £40.00 £36.50
% change year-on-year +3.93% +9.59% -1.35%

Jest
Job Vacancy Trend in London

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

Job vacancy trend for Jest in London

Jest
Contractor Daily Rate Trend in London

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Jest in London.

Contractor daily rate trend for Jest in London

Jest
Contractor Daily Rate Histogram in London

The daily rate distribution of IT jobs citing Jest in London over the 6 months to 19 August 2018.

Contractor daily rate histogram for Jest in London

Jest
Contract Job Locations in 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 London region over the 6 months to 19 August 2018. 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
Central London -8 26 £540 +13.68% 10
West London -20 8 £525 +16.67% 9
South London - 6 £450 -
East London - 2 £475 - 3
Jest
England

For the 6 months to 19 August 2018, 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 London region with a requirement for Jest.

1 155 (82.89%) JavaScript
2 128 (68.45%) CSS
3 109 (58.29%) HTML
3 109 (58.29%) Agile Software Development
4 107 (57.22%) React
5 105 (56.15%) Redux
6 90 (48.13%) ES6
7 89 (47.59%) webpack
8 87 (46.52%) Node.js
9 74 (39.57%) Enzyme
10 72 (38.50%) Sass
10 72 (38.50%) TDD
11 70 (37.43%) Git (software)
12 64 (34.22%) Jasmine
13 62 (33.16%) Front End Development
14 61 (32.62%) Mocha
15 52 (27.81%) User Experience
16 48 (25.67%) HTML5
17 46 (24.60%) AngularJS
18 44 (23.53%) BDD
18 44 (23.53%) gulp
19 42 (22.46%) CSS3
20 39 (20.86%) Amazon AWS
21 38 (20.32%) Selenium
22 36 (19.25%) Grunt
23 35 (18.72%) Scrum
23 35 (18.72%) Finance
24 34 (18.18%) Test Automation
24 34 (18.18%) RESTful
25 32 (17.11%) Unit Testing

Jest
Co-occurring IT Skills in 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 6 (3.21%) Gunicorn
2 5 (2.67%) Elasticsearch
2 5 (2.67%) SharePoint
3 4 (2.14%) Cloud Foundry
3 4 (2.14%) Confluence
4 3 (1.60%) CMS
4 3 (1.60%) Ethereum
5 2 (1.07%) Apache Solr
5 2 (1.07%) Apache Spark
5 2 (1.07%) Umbraco
6 1 (0.53%) Apache
6 1 (0.53%) JBoss
6 1 (0.53%) Mule
6 1 (0.53%) Tomcat
6 1 (0.53%) WebLogic
Applications
1 4 (2.14%) Photoshop
2 1 (0.53%) Chatbot
Business Applications
1 1 (0.53%) Distributed Ledger
Cloud Services
1 39 (20.86%) Amazon AWS
2 29 (15.51%) npm
3 27 (14.44%) Serverless
4 14 (7.49%) Microsoft Azure
5 10 (5.35%) GitHub
6 8 (4.28%) AWS Lambda
7 6 (3.21%) Yarn
8 5 (2.67%) Amazon CloudWatch
8 5 (2.67%) BrowserStack
9 3 (1.60%) Office 365
10 2 (1.07%) Amazon S3
10 2 (1.07%) AWS CodePipeline
10 2 (1.07%) Azure Functions
10 2 (1.07%) Google Cloud Platform
10 2 (1.07%) Sauce Labs
11 1 (0.53%) Amazon EC2
11 1 (0.53%) Amazon SQS
11 1 (0.53%) Cloud Computing
11 1 (0.53%) PaaS
11 1 (0.53%) Slack
Communications & Networking
1 19 (10.16%) HTTP
2 2 (1.07%) HTTPS
3 1 (0.53%) SSL
Database & Business Intelligence
1 20 (10.70%) PostgreSQL
2 17 (9.09%) Blockchain
3 15 (8.02%) MongoDB
3 15 (8.02%) MySQL
4 10 (5.35%) NoSQL
5 9 (4.81%) Big Data
6 4 (2.14%) Redis
7 3 (1.60%) Couchbase
7 3 (1.60%) CouchDB
7 3 (1.60%) Neo4j
7 3 (1.60%) Relational Database
8 2 (1.07%) Amazon Redshift
8 2 (1.07%) Apache Hive
8 2 (1.07%) Hadoop
8 2 (1.07%) HBase
8 2 (1.07%) SQL Server
8 2 (1.07%) SQL Server 2016
8 2 (1.07%) Sqoop
9 1 (0.53%) Amazon DynamoDB
9 1 (0.53%) Apache Cassandra
Development Applications
1 89 (47.59%) webpack
2 70 (37.43%) Git (software)
3 64 (34.22%) Jasmine
4 61 (32.62%) Mocha
5 44 (23.53%) gulp
6 38 (20.32%) Selenium
7 36 (19.25%) Grunt
8 24 (12.83%) Babel
9 16 (8.56%) Jenkins
10 15 (8.02%) Karma Test Runner
11 14 (7.49%) JIRA
11 14 (7.49%) PhantomJS
11 14 (7.49%) Protractor
12 10 (5.35%) Gatling
13 9 (4.81%) Cucumber
14 6 (3.21%) CircleCI
14 6 (3.21%) Robot Framework
15 5 (2.67%) JUnit
15 5 (2.67%) Subversion
16 4 (2.14%) Sinon.JS
General
1 35 (18.72%) Finance
2 23 (12.30%) Banking
3 18 (9.63%) Games
4 7 (3.74%) Retail
5 4 (2.14%) Publishing
6 1 (0.53%) Telecoms
Job Titles
1 146 (78.07%) Developer
2 69 (36.90%) React Developer
3 55 (29.41%) JavaScript Developer
4 50 (26.74%) Front End Developer (Client-Side Developer)
5 21 (11.23%) Node.js Developer
6 15 (8.02%) JavaScript Engineer
7 13 (6.95%) Full Stack Developer
8 12 (6.42%) Angular Developer
9 11 (5.88%) UI Developer
10 7 (3.74%) HTML Developer
11 6 (3.21%) Java Developer
11 6 (3.21%) Senior Developer
11 6 (3.21%) Software Developer
11 6 (3.21%) Software Engineer
12 5 (2.67%) Analyst
12 5 (2.67%) Blockchain Developer
12 5 (2.67%) Front End Web Developer (Client-Side Developer)
12 5 (2.67%) UI Engineer
12 5 (2.67%) Web Engineer
12 5 (2.67%) Web UI Developer
Libraries, Frameworks & Software Standards
1 128 (68.45%) CSS
2 109 (58.29%) HTML
3 107 (57.22%) React
4 105 (56.15%) Redux
5 87 (46.52%) Node.js
6 74 (39.57%) Enzyme
7 72 (38.50%) Sass
8 48 (25.67%) HTML5
9 46 (24.60%) AngularJS
10 42 (22.46%) CSS3
11 34 (18.18%) RESTful
12 30 (16.04%) Express
13 25 (13.37%) Chai
14 23 (12.30%) REST
15 20 (10.70%) OAuth
16 19 (10.16%) OpenID
16 19 (10.16%) Web Services
17 18 (9.63%) LESS
17 18 (9.63%) OAuth2
17 18 (9.63%) Vue.js
Miscellaneous
1 52 (27.81%) User Experience
2 27 (14.44%) Mobile App
3 21 (11.23%) Algorithms
4 20 (10.70%) Data Structures
4 20 (10.70%) Greenfield Project
5 13 (6.95%) Computer Science
6 8 (4.28%) Fintech
6 8 (4.28%) Linux Command Line
7 7 (3.74%) Analytical Skills
8 5 (2.67%) Blog
8 5 (2.67%) Foreign Exchange (FX)
8 5 (2.67%) Video on Demand
8 5 (2.67%) Video\Live Streaming
8 5 (2.67%) Virtual Team
9 4 (2.14%) Clustering
9 4 (2.14%) Online Gambling
10 3 (1.60%) Bitcoin
10 3 (1.60%) Over-the-Top Content
11 2 (1.07%) Animation
12 1 (0.53%) Kindle
Operating Systems
1 14 (7.49%) Linux
2 6 (3.21%) Android
2 6 (3.21%) Apple iOS
2 6 (3.21%) Unix
3 1 (0.53%) VMS
Processes & Methodologies
1 109 (58.29%) Agile Software Development
2 72 (38.50%) TDD
3 62 (33.16%) Front End Development
4 44 (23.53%) BDD
5 35 (18.72%) Scrum
6 34 (18.18%) Test Automation
7 32 (17.11%) Unit Testing
8 24 (12.83%) Continuous Integration
9 20 (10.70%) Problem-Solving
10 18 (9.63%) Microservices
10 18 (9.63%) OO
10 18 (9.63%) Open Source
10 18 (9.63%) Software Engineering
11 16 (8.56%) Continuous Deployment
12 15 (8.02%) Responsive Web Design
13 14 (7.49%) Kanban
13 14 (7.49%) Wireframes
14 13 (6.95%) Prototyping
15 12 (6.42%) Build Automation
15 12 (6.42%) Rapid Prototyping
Programming Languages
1 155 (82.89%) JavaScript
2 90 (48.13%) ES6
3 29 (15.51%) TypeScript
4 24 (12.83%) Java
5 15 (8.02%) JSX
6 13 (6.95%) Python
7 10 (5.35%) C#
7 10 (5.35%) ES8
8 9 (4.81%) ES7
8 9 (4.81%) SQL
9 7 (3.74%) Go
10 3 (1.60%) PHP
11 2 (1.07%) Bash Shell
11 2 (1.07%) Java 8
11 2 (1.07%) Solidity
11 2 (1.07%) VB.NET
12 1 (0.53%) Scala
Qualifications
1 12 (6.42%) Degree
2 6 (3.21%) Computer Science Degree
3 2 (1.07%) OCPJP
Quality Assurance & Compliance
1 14 (7.49%) QA
2 1 (0.53%) GCP
System Software
1 30 (16.04%) Docker
2 2 (1.07%) Apache ZooKeeper
2 2 (1.07%) HDFS
3 1 (0.53%) Virtual Machines
Systems Management
1 12 (6.42%) Opscode Chef
2 9 (4.81%) Terraform
3 7 (3.74%) Ansible
4 4 (2.14%) Kubernetes
5 2 (1.07%) Hadoop YARN
5 2 (1.07%) Oozie
6 1 (0.53%) Docker Swarm
6 1 (0.53%) Kibana
6 1 (0.53%) Puppet
Vendors
1 5 (2.67%) Splunk
1 5 (2.67%) TOWER Software
2 4 (2.14%) Adobe
2 4 (2.14%) Google
3 2 (1.07%) Cypress Semiconductor
3 2 (1.07%) Facebook
3 2 (1.07%) Perfecto Mobile
3 2 (1.07%) Salesforce.com
4 1 (0.53%) AppDynamics
4 1 (0.53%) Microsoft
4 1 (0.53%) Oracle
4 1 (0.53%) webMethods