Period
to 18 September 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 18 September 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
18 Sep 2018
Same period 2017 Same period 2016
Rank 473 507 543
Rank change year-on-year +34 +36 +74
Contract jobs citing Babel 165 101 85
As % of all contract IT jobs advertised in London 0.36% 0.23% 0.19%
As % of the Development Applications category 1.60% 1.18% 1.10%
Number of daily rates quoted 140 82 65
London median daily rate £525 £475 £465
Median daily rate % change year-on-year +10.53% +2.15% +16.25%
10th Percentile £413 £413 £313
90th Percentile £675 £619 £588
England median daily rate £488 £450 £450
% change year-on-year +8.33% - +5.88%
Number of hourly rates quoted 1 0 0
London median hourly rate £150.00 - -
England median hourly rate £89.00 £41.00 -
% change year-on-year +117.07% - -

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 10,309 8,571 7,729
As % of all contract IT jobs advertised in London 22.45% 19.52% 17.43%
Number of daily rates quoted 7,624 6,359 5,655
London median daily rate £500 £480 £450
Median daily rate % change year-on-year +4.17% +6.67% +5.88%
10th Percentile £363 £340 £313
90th Percentile £650 £625 £600
England median daily rate £475 £450 £425
% change year-on-year +5.56% +5.88% +6.25%
Number of hourly rates quoted 21 34 18
London median hourly rate £35.00 £32.50 £43.50
Median hourly rate % change year-on-year +7.69% -25.29% +50.57%
10th Percentile £17.00 £20.10 £10.00
90th Percentile £77.50 £53.66 £56.45
England median hourly rate £42.50 £42.50 £41.50
% change year-on-year - +2.41% +9.21%

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 18 September 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 18 September 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 +3 46 £500 +5.26% 3
South London - 10 £400 -
West London -18 1 £613 +36.11% 3
Babel
England

For the 6 months to 18 September 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.

1 144 (87.27%) webpack
2 142 (86.06%) JavaScript
3 140 (84.85%) React
4 116 (70.30%) CSS
5 111 (67.27%) Redux
6 107 (64.85%) Node.js
7 103 (62.42%) ES6
8 91 (55.15%) Agile Software Development
9 79 (47.88%) Sass
10 75 (45.45%) TDD
11 74 (44.85%) HTML
12 59 (35.76%) Git (software)
13 58 (35.15%) Front End Development
14 49 (29.70%) npm
15 46 (27.88%) Express
16 45 (27.27%) CSS3
16 45 (27.27%) HTML5
16 45 (27.27%) BDD
17 41 (24.85%) RESTful
17 41 (24.85%) TypeScript
18 40 (24.24%) AngularJS
18 40 (24.24%) Mocha
19 38 (23.03%) DevOps
20 36 (21.82%) Docker
21 35 (21.21%) Jasmine
22 34 (20.61%) Finance
23 32 (19.39%) gulp
24 31 (18.79%) Scrum
24 31 (18.79%) Serverless
25 30 (18.18%) User Experience

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 11 (6.67%) Tomcat
2 9 (5.45%) Elasticsearch
3 3 (1.82%) Confluence
4 1 (0.61%) Cloud Foundry
4 1 (0.61%) Mule
Applications
1 4 (2.42%) Chatbot
2 1 (0.61%) Adobe Illustrator
2 1 (0.61%) InVision
Cloud Services
1 49 (29.70%) npm
2 31 (18.79%) Serverless
3 27 (16.36%) Amazon AWS
4 20 (12.12%) Google Cloud Platform
5 19 (11.52%) Microsoft Azure
6 12 (7.27%) Yarn
7 11 (6.67%) GitHub
8 4 (2.42%) AWS Lambda
9 3 (1.82%) Heroku
10 1 (0.61%) Amazon S3
10 1 (0.61%) AWS CloudFormation
10 1 (0.61%) IaaS
10 1 (0.61%) PaaS
10 1 (0.61%) SaaS
10 1 (0.61%) Slack
Communications & Networking
1 16 (9.70%) HTTP
Database & Business Intelligence
1 10 (6.06%) Blockchain
2 9 (5.45%) MongoDB
3 8 (4.85%) PostgreSQL
4 7 (4.24%) Big Data
5 3 (1.82%) NoSQL
5 3 (1.82%) Redis
6 1 (0.61%) BigQuery
6 1 (0.61%) MySQL
Development Applications
1 144 (87.27%) webpack
2 59 (35.76%) Git (software)
3 40 (24.24%) Mocha
4 35 (21.21%) Jasmine
5 32 (19.39%) gulp
6 21 (12.73%) Jenkins
7 20 (12.12%) Grunt
8 12 (7.27%) Cucumber
9 11 (6.67%) Atlassian Bamboo
10 8 (4.85%) CircleCI
10 8 (4.85%) Sinon.JS
11 7 (4.24%) Gerrit
11 7 (4.24%) GitLab
11 7 (4.24%) JIRA
11 7 (4.24%) Subversion
11 7 (4.24%) Travis CI
11 7 (4.24%) WebDriver
12 5 (3.03%) Selenium
13 4 (2.42%) Bower
14 3 (1.82%) JSUnit
General
1 34 (20.61%) Finance
2 20 (12.12%) Banking
3 12 (7.27%) Retail
4 5 (3.03%) Law
5 1 (0.61%) Advertising
5 1 (0.61%) Financial Institution
5 1 (0.61%) Music Industry
5 1 (0.61%) Retail Banking
Job Titles
1 146 (88.48%) Developer
2 100 (60.61%) React Developer
3 54 (32.73%) JavaScript Developer
4 37 (22.42%) Front End Developer (Client-Side Developer)
4 37 (22.42%) Node.js Developer
5 20 (12.12%) Full Stack Developer
6 19 (11.52%) UI Developer
7 12 (7.27%) AWS Developer
8 10 (6.06%) Integration Developer
8 10 (6.06%) Senior Developer
9 9 (5.45%) Java Developer
10 7 (4.24%) Senior React Developer
11 5 (3.03%) Digital Developer
11 5 (3.03%) HTML CSS Developer
11 5 (3.03%) HTML Developer
11 5 (3.03%) Senior Front-End Developer
12 4 (2.42%) Blockchain Developer
12 4 (2.42%) JavaScript Engineer
12 4 (2.42%) Senior JavaScript Developer
12 4 (2.42%) UX Developer
Libraries, Frameworks & Software Standards
1 140 (84.85%) React
2 116 (70.30%) CSS
3 111 (67.27%) Redux
4 107 (64.85%) Node.js
5 79 (47.88%) Sass
6 74 (44.85%) HTML
7 46 (27.88%) Express
8 45 (27.27%) CSS3
8 45 (27.27%) HTML5
9 41 (24.85%) RESTful
10 40 (24.24%) AngularJS
11 26 (15.76%) Enzyme
12 25 (15.15%) Jest
13 22 (13.33%) JSON
14 20 (12.12%) REST
15 19 (11.52%) Chai
15 19 (11.52%) OAuth
15 19 (11.52%) OpenID
15 19 (11.52%) Vue.js
16 18 (10.91%) OAuth2
Miscellaneous
1 30 (18.18%) User Experience
2 20 (12.12%) Greenfield Project
3 12 (7.27%) Mobile App
4 11 (6.67%) Fintech
5 5 (3.03%) Cloud Native
6 4 (2.42%) IPTV
6 4 (2.42%) Over-the-Top Content
6 4 (2.42%) Video on Demand
7 3 (1.82%) Algorithms
8 2 (1.21%) Computer Science
9 1 (0.61%) Animation
9 1 (0.61%) Data Structures
9 1 (0.61%) Hedge funds
9 1 (0.61%) NHS
Operating Systems
1 7 (4.24%) Android
1 7 (4.24%) Apple iOS
2 1 (0.61%) Linux
Processes & Methodologies
1 91 (55.15%) Agile Software Development
2 75 (45.45%) TDD
3 58 (35.15%) Front End Development
4 45 (27.27%) BDD
5 38 (23.03%) DevOps
6 31 (18.79%) Scrum
7 28 (16.97%) Unit Testing
8 24 (14.55%) Test Automation
9 23 (13.94%) Wireframes
10 21 (12.73%) Continuous Delivery
11 20 (12.12%) Pair Programming
12 18 (10.91%) Continuous Integration
13 15 (9.09%) Web Accessibility
14 14 (8.48%) Microservices
15 12 (7.27%) DOM Manipulation/Scripting
16 11 (6.67%) Customer-Centricity
16 11 (6.67%) Software Delivery
17 10 (6.06%) BEM - Block Element Modifier
17 10 (6.06%) Open Source
17 10 (6.06%) Software Engineering
Programming Languages
1 142 (86.06%) JavaScript
2 103 (62.42%) ES6
3 41 (24.85%) TypeScript
4 28 (16.97%) ES7
5 20 (12.12%) Java
6 18 (10.91%) JSX
7 15 (9.09%) Python
8 8 (4.85%) ES8
9 7 (4.24%) Java 8
10 3 (1.82%) SQL
11 2 (1.21%) Kotlin
11 2 (1.21%) Objective-C
11 2 (1.21%) PHP
12 1 (0.61%) C#
12 1 (0.61%) C++
Qualifications
1 11 (6.67%) SC Cleared
1 11 (6.67%) Security Cleared
Quality Assurance & Compliance
1 9 (5.45%) QA
2 3 (1.82%) WCAG
3 1 (0.61%) WAI
System Software
1 36 (21.82%) Docker
Systems Management
1 16 (9.70%) Ansible
2 11 (6.67%) Terraform
3 2 (1.21%) Kubernetes
3 2 (1.21%) Marathon
3 2 (1.21%) Mesos
4 1 (0.61%) Grafana
4 1 (0.61%) Puppet
Vendors
1 21 (12.73%) Google
2 5 (3.03%) TOWER Software
3 2 (1.21%) Atlassian
4 1 (0.61%) AppDynamics
4 1 (0.61%) DevExpress
4 1 (0.61%) DoubleClick
4 1 (0.61%) hybris
4 1 (0.61%) Splunk