Period
to 16 July 2018

The following table provides summary statistics for contract job vacancies advertised in London with a requirement for Babel skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Babel over the 6 months to 16 July 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.

Babel JavaScript Compiler
England > London
6 months to
16 Jul 2018
Same period 2017 Same period 2016
Rank 454 515 560
Rank change year-on-year +61 +45 +41
Contract jobs citing Babel 181 77 59
As % of all contract IT jobs advertised in London 0.39% 0.18% 0.13%
As % of the Development Applications category 1.84% 0.99% 0.77%
Number of daily rates quoted 143 65 46
London median daily rate £525 £438 £500
Median daily rate % change year-on-year +20.00% -12.50% +25.00%
10th Percentile £411 £363 £338
90th Percentile £685 £575 £606
England median daily rate £475 £430 £500
% change year-on-year +10.47% -14.00% +25.00%
Number of hourly rates quoted 2 0 0
London median hourly rate £150.00 - -
England median hourly rate £150.00 - -

Babel is in the Development Applications 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 development application skills.

All Development Application Skills
London
Contract vacancies with a requirement for development application skills 9,848 7,770 7,673
As % of all contract IT jobs advertised in London 21.26% 18.59% 16.87%
Number of daily rates quoted 7,355 5,694 5,657
London median daily rate £500 £475 £450
Median daily rate % change year-on-year +5.26% +5.56% +5.88%
10th Percentile £363 £325 £313
90th Percentile £638 £625 £600
England median daily rate £475 £440 £425
% change year-on-year +7.95% +3.53% +6.25%
Number of hourly rates quoted 31 35 16
London median hourly rate £45.00 £40.00 £43.50
Median hourly rate % change year-on-year +12.50% -8.05% +56.59%
10th Percentile £17.00 £21.14 £10.00
90th Percentile £165.00 £57.50 £51.69
England median hourly rate £42.50 £42.50 £42.50

Babel
Job Vacancy Trend in London

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

Job vacancy trend for Babel in London

Babel
Contractor Daily Rate Trend in London

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

Contractor daily rate trend for Babel in London

Babel
Contractor Daily Rate Histogram in London

The daily rate distribution of IT jobs citing Babel in London over the 6 months to 16 July 2018.

Contractor daily rate histogram for Babel in London

Babel
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 Babel within the London region over the 6 months to 16 July 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 +2 53 £500 +14.29% 6
South London - 14 £395 -
West London - 1 £420 - 2
Babel
England

For the 6 months to 16 July 2018, IT contractor jobs citing Babel 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 Babel.

1 163 (90.06%) webpack
2 160 (88.40%) JavaScript
3 152 (83.98%) React
4 132 (72.93%) CSS
5 120 (66.30%) Redux
6 119 (65.75%) ES6
7 118 (65.19%) Node.js
8 106 (58.56%) Agile Software Development
9 85 (46.96%) TDD
10 81 (44.75%) Sass
11 77 (42.54%) HTML
12 66 (36.46%) Front End Development
13 55 (30.39%) npm
14 53 (29.28%) AngularJS
15 52 (28.73%) Express
15 52 (28.73%) Git (software)
16 49 (27.07%) BDD
17 47 (25.97%) CSS3
17 47 (25.97%) DevOps
18 46 (25.41%) HTML5
19 44 (24.31%) Finance
20 39 (21.55%) Jasmine
20 39 (21.55%) TypeScript
21 38 (20.99%) Amazon AWS
22 37 (20.44%) RESTful
23 36 (19.89%) User Experience
23 36 (19.89%) Docker
23 36 (19.89%) Mocha
24 35 (19.34%) Scrum
25 34 (18.78%) Google

Babel
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 9 (4.97%) Elasticsearch
1 9 (4.97%) Tomcat
2 1 (0.55%) Cloud Foundry
2 1 (0.55%) Confluence
2 1 (0.55%) Mule
Applications
1 4 (2.21%) Chatbot
Cloud Services
1 55 (30.39%) npm
2 38 (20.99%) Amazon AWS
3 27 (14.92%) Serverless
4 25 (13.81%) Google Cloud Platform
5 24 (13.26%) Microsoft Azure
6 12 (6.63%) Yarn
7 9 (4.97%) Amazon S3
8 8 (4.42%) Amazon SQS
9 5 (2.76%) GitHub
10 3 (1.66%) AWS Lambda
11 1 (0.55%) AWS CloudFormation
11 1 (0.55%) Google Analytics
11 1 (0.55%) Heroku
11 1 (0.55%) IaaS
11 1 (0.55%) PaaS
11 1 (0.55%) SaaS
11 1 (0.55%) Slack
Communications & Networking
1 17 (9.39%) HTTP
Database & Business Intelligence
1 11 (6.08%) Blockchain
2 10 (5.52%) PostgreSQL
3 8 (4.42%) Amazon DynamoDB
3 8 (4.42%) MySQL
3 8 (4.42%) NoSQL
4 6 (3.31%) Big Data
5 5 (2.76%) MongoDB
6 1 (0.55%) BigQuery
6 1 (0.55%) Data Warehouse
6 1 (0.55%) LevelDB
6 1 (0.55%) RDBMS
6 1 (0.55%) Relational Database
Development Applications
1 163 (90.06%) webpack
2 52 (28.73%) Git (software)
3 39 (21.55%) Jasmine
4 36 (19.89%) Mocha
5 33 (18.23%) gulp
6 23 (12.71%) Grunt
7 22 (12.15%) Jenkins
8 16 (8.84%) Atlassian Bamboo
9 9 (4.97%) Cucumber
9 9 (4.97%) Subversion
10 8 (4.42%) WebDriver
11 7 (3.87%) GitLab
11 7 (3.87%) Travis CI
12 5 (2.76%) Bower
12 5 (2.76%) CircleCI
12 5 (2.76%) JIRA
12 5 (2.76%) Sinon.JS
13 3 (1.66%) JUnit
13 3 (1.66%) Maven
13 3 (1.66%) Selenium
General
1 44 (24.31%) Finance
2 25 (13.81%) Banking
3 14 (7.73%) Retail
4 6 (3.31%) Telecoms
5 5 (2.76%) Law
6 4 (2.21%) Retail Banking
7 1 (0.55%) Advertising
7 1 (0.55%) Financial Institution
7 1 (0.55%) French Language
Job Titles
1 160 (88.40%) Developer
2 97 (53.59%) React Developer
3 71 (39.23%) JavaScript Developer
4 45 (24.86%) Front End Developer (Client-Side Developer)
5 37 (20.44%) Node.js Developer
6 19 (10.50%) Senior Developer
7 17 (9.39%) UI Developer
8 12 (6.63%) AWS Developer
9 11 (6.08%) Full Stack Developer
10 10 (5.52%) Senior React Developer
11 9 (4.97%) Senior Front-End Developer
11 9 (4.97%) Senior JavaScript Developer
12 8 (4.42%) Integration Developer
13 7 (3.87%) HTML CSS Developer
13 7 (3.87%) HTML Developer
13 7 (3.87%) Java Developer
13 7 (3.87%) Software Engineer
14 4 (2.21%) Digital Developer
14 4 (2.21%) Lead Developer
14 4 (2.21%) UI/UX Developer
Libraries, Frameworks & Software Standards
1 152 (83.98%) React
2 132 (72.93%) CSS
3 120 (66.30%) Redux
4 118 (65.19%) Node.js
5 81 (44.75%) Sass
6 77 (42.54%) HTML
7 53 (29.28%) AngularJS
8 52 (28.73%) Express
9 47 (25.97%) CSS3
10 46 (25.41%) HTML5
11 37 (20.44%) RESTful
12 29 (16.02%) Jest
13 27 (14.92%) Enzyme
13 27 (14.92%) OAuth
14 26 (14.36%) JSON
14 26 (14.36%) OAuth2
15 24 (13.26%) Fusebox
15 24 (13.26%) Vue (Vue.js)
16 23 (12.71%) DOM
17 20 (11.05%) GraphQL
Miscellaneous
1 36 (19.89%) User Experience
2 20 (11.05%) Greenfield Project
3 15 (8.29%) Mobile App
4 13 (7.18%) Fintech
5 9 (4.97%) Computer Science
6 5 (2.76%) Cloud Native
7 3 (1.66%) Hedge funds
7 3 (1.66%) Video on Demand
8 2 (1.10%) Data Structures
8 2 (1.10%) IPTV
8 2 (1.10%) NHS
8 2 (1.10%) Over-the-Top Content
8 2 (1.10%) Virtual Team
9 1 (0.55%) Animation
9 1 (0.55%) Blog
9 1 (0.55%) Mobile Payment
9 1 (0.55%) Wiki
Operating Systems
1 14 (7.73%) Android
2 6 (3.31%) Apple iOS
3 1 (0.55%) Linux
Processes & Methodologies
1 106 (58.56%) Agile Software Development
2 85 (46.96%) TDD
3 66 (36.46%) Front End Development
4 49 (27.07%) BDD
5 47 (25.97%) DevOps
6 35 (19.34%) Scrum
7 25 (13.81%) Wireframes
8 23 (12.71%) Pair Programming
9 20 (11.05%) Unit Testing
10 18 (9.94%) Software Delivery
11 17 (9.39%) Customer-Centricity
11 17 (9.39%) Test Automation
11 17 (9.39%) Web Accessibility
12 16 (8.84%) Continuous Delivery
13 15 (8.29%) Responsive Web Design
14 13 (7.18%) Continuous Integration
14 13 (7.18%) DOM Manipulation/Scripting
14 13 (7.18%) Software Engineering
15 12 (6.63%) BEM - Block Element Modifier
15 12 (6.63%) Microservices
Programming Languages
1 160 (88.40%) JavaScript
2 119 (65.75%) ES6
3 39 (21.55%) TypeScript
4 26 (14.36%) ES7
5 24 (13.26%) Java
6 19 (10.50%) JSX
7 15 (8.29%) ES8
8 13 (7.18%) Python
9 9 (4.97%) SQL
10 4 (2.21%) Java 8
11 2 (1.10%) C++
12 1 (0.55%) C#
12 1 (0.55%) Kotlin
12 1 (0.55%) Objective-C
12 1 (0.55%) PHP
Qualifications
1 14 (7.73%) Security Cleared
2 13 (7.18%) SC Cleared
3 7 (3.87%) Computer Science Degree
3 7 (3.87%) Degree
Quality Assurance & Compliance
1 7 (3.87%) QA
2 3 (1.66%) WCAG
3 1 (0.55%) PMO
3 1 (0.55%) WAI
System Software
1 36 (19.89%) Docker
Systems Management
1 19 (10.50%) Ansible
2 16 (8.84%) Terraform
3 2 (1.10%) Kubernetes
Vendors
1 34 (18.78%) Google
2 5 (2.76%) TOWER Software
3 4 (2.21%) DevExpress
4 2 (1.10%) Atlassian
5 1 (0.55%) AppDynamics
5 1 (0.55%) CA Agile Central
5 1 (0.55%) DoubleClick
5 1 (0.55%) Splunk