Period
to 22 January 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 22 January 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
22 Jan 2018
Same period 2017 Same period 2016
Rank 465 532 596
Rank change year-on-year +67 +64 -
Contract jobs citing Babel 160 57 1
As % of all contract IT jobs advertised in London 0.35% 0.14% 0.002%
As % of the Development Applications category 1.75% 0.77% 0.015%
Number of daily rates quoted 132 47 0
London median daily rate £519 £450 -
Median daily rate % change year-on-year +15.28% - -
England median daily rate £500 £450 £450
% change year-on-year +11.11% - -
Number of hourly rates quoted 0 0 0
London median hourly rate - - -
England median hourly rate £41.00 - £27.50

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 9,148 7,372 6,813
As % of all contract IT jobs advertised in London 19.81% 17.89% 15.43%
Number of daily rates quoted 6,998 5,314 5,042
London median daily rate £500 £475 £450
Median daily rate % change year-on-year +5.26% +5.56% +5.88%
10th Percentile £356 £325 £310
90th Percentile £638 £613 £600
England median daily rate £470 £435 £413
% change year-on-year +8.05% +5.45% +3.13%
Number of hourly rates quoted 14 10 23
London median hourly rate £38.65 £47.00 £37.50
Median hourly rate % change year-on-year -17.78% +25.33% +3.45%
10th Percentile £21.65 £25.28 £21.50
90th Percentile £46.87 £70.00 £54.50
England median hourly rate £43.50 £40.50 £40.00
% change year-on-year +7.41% +1.25% +8.11%

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 22 January 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 22 January 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 +20 57 £525 +16.67% 5
East London - 18 £450 - 2
South London - 7 £385 -
West London -15 1 £450 - 2
Babel
England

For the 6 months to 22 January 2018, IT contractor jobs citing Babel also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the London region with a requirement for Babel.

1 148 (92.50%) JavaScript
2 137 (85.63%) webpack
3 128 (80.00%) Node.js
4 121 (75.63%) ES6
5 116 (72.50%) React
6 109 (68.13%) CSS
7 104 (65.00%) Redux
8 96 (60.00%) Agile Software Development
9 89 (55.63%) HTML
10 77 (48.13%) TDD
11 75 (46.88%) Sass
12 63 (39.38%) HTML5
12 63 (39.38%) BDD
13 57 (35.63%) TypeScript
14 53 (33.13%) Docker
14 53 (33.13%) CSS3
15 52 (32.50%) Jenkins
16 47 (29.38%) RESTful
17 45 (28.13%) Web Development
18 43 (26.88%) Serverless
19 38 (23.75%) Git (software)
19 38 (23.75%) Amazon AWS
19 38 (23.75%) Mocha
19 38 (23.75%) DevOps
20 37 (23.13%) npm
21 36 (22.50%) Continuous Delivery
22 35 (21.88%) User Experience
22 35 (21.88%) Test Automation
22 35 (21.88%) Web Services
23 34 (21.25%) Grunt

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 14 (8.75%) Elasticsearch
2 2 (1.25%) Confluence
2 2 (1.25%) Ethereum
2 2 (1.25%) Jetty
2 2 (1.25%) nginx
3 1 (0.63%) Apache
3 1 (0.63%) Apache Spark
3 1 (0.63%) Cloud Foundry
3 1 (0.63%) Mule
3 1 (0.63%) Tomcat
Applications
1 1 (0.63%) HipChat
Business Applications
1 2 (1.25%) Quorum
Cloud Services
1 43 (26.88%) Serverless
2 38 (23.75%) Amazon AWS
3 37 (23.13%) npm
4 17 (10.63%) Microsoft Azure
5 15 (9.38%) Google Cloud Platform
6 14 (8.75%) AWS Lambda
7 8 (5.00%) Amazon SQS
7 8 (5.00%) AWS CloudFormation
8 6 (3.75%) Amazon S3
8 6 (3.75%) CloudFront
9 5 (3.13%) SaaS
10 3 (1.88%) GitHub
10 3 (1.88%) Yarn
11 2 (1.25%) Amazon Kinesis
11 2 (1.25%) AWS CloudTrail
11 2 (1.25%) Azure Active Directory
11 2 (1.25%) Firebase
11 2 (1.25%) IaaS
11 2 (1.25%) Slack
11 2 (1.25%) Virtual Private Cloud
Communications & Networking
1 8 (5.00%) HTTP
2 4 (2.50%) Bluetooth
3 2 (1.25%) Ethernet
3 2 (1.25%) Unified Communications
3 2 (1.25%) VPLS
Database & Business Intelligence
1 14 (8.75%) Amazon DynamoDB
2 11 (6.88%) Neo4j
3 9 (5.63%) NoSQL
4 6 (3.75%) MongoDB
4 6 (3.75%) PostgreSQL
5 4 (2.50%) Blockchain
6 2 (1.25%) HDInsight
6 2 (1.25%) LevelDB
7 1 (0.63%) Data Lake
7 1 (0.63%) Hadoop
7 1 (0.63%) MySQL
Development Applications
1 137 (85.63%) webpack
2 52 (32.50%) Jenkins
3 38 (23.75%) Git (software)
3 38 (23.75%) Mocha
4 34 (21.25%) Grunt
5 24 (15.00%) Sinon.JS
6 22 (13.75%) Gerrit
6 22 (13.75%) gulp
7 16 (10.00%) JIRA
8 15 (9.38%) Jasmine
9 14 (8.75%) Atlassian Bamboo
10 7 (4.38%) WebDriver
11 6 (3.75%) Selenium
12 4 (2.50%) Cucumber
12 4 (2.50%) GitLab
12 4 (2.50%) Subversion
12 4 (2.50%) TeamCity
12 4 (2.50%) Visual Studio
12 4 (2.50%) Visual Studio Team System
13 3 (1.88%) CircleCI
General
1 25 (15.63%) Finance
2 14 (8.75%) Banking
3 6 (3.75%) Marketing
4 4 (2.50%) Games
4 4 (2.50%) International Banking
4 4 (2.50%) Retail
5 3 (1.88%) Advertising
5 3 (1.88%) Telecoms
6 2 (1.25%) Financial Institution
6 2 (1.25%) Retail Banking
7 1 (0.63%) Digital Economy
7 1 (0.63%) Legal
7 1 (0.63%) Publishing
Job Titles
1 131 (81.88%) Developer
2 63 (39.38%) React Developer
3 54 (33.75%) JavaScript Developer
4 30 (18.75%) Senior Developer
5 27 (16.88%) Node.js Developer
6 26 (16.25%) Full Stack Developer
7 23 (14.38%) Front End Developer (Client-Side Developer)
8 18 (11.25%) Senior JavaScript Developer
9 15 (9.38%) Senior React Developer
10 8 (5.00%) DevOps Engineer
10 8 (5.00%) E-Commerce Engineer
10 8 (5.00%) Web Developer
10 8 (5.00%) Web Engineer
11 7 (4.38%) JavaScript Engineer
12 6 (3.75%) Senior Full Stack Developer
13 5 (3.13%) Angular Developer
14 4 (2.50%) Programmer
15 3 (1.88%) Applications Developer
15 3 (1.88%) Lead Developer
15 3 (1.88%) Software Engineer
Libraries, Frameworks & Software Standards
1 128 (80.00%) Node.js
2 116 (72.50%) React
3 109 (68.13%) CSS
4 104 (65.00%) Redux
5 89 (55.63%) HTML
6 75 (46.88%) Sass
7 63 (39.38%) HTML5
8 53 (33.13%) CSS3
9 47 (29.38%) RESTful
10 35 (21.88%) Web Services
11 34 (21.25%) Express
12 27 (16.88%) AngularJS
12 27 (16.88%) Chai
13 26 (16.25%) JMS
14 22 (13.75%) JSON
14 22 (13.75%) React Native
15 18 (11.25%) REST
16 17 (10.63%) WebSockets
17 16 (10.00%) Fusebox
17 16 (10.00%) Vue (Vue.js)
Miscellaneous
1 35 (21.88%) User Experience
2 20 (12.50%) Linux Command Line
3 7 (4.38%) Data Structures
3 7 (4.38%) Video on Demand
4 6 (3.75%) Computer Science
4 6 (3.75%) Greenfield Project
4 6 (3.75%) Mobile App
5 5 (3.13%) Virtual Team
6 4 (2.50%) Social Media
7 3 (1.88%) Fintech
8 2 (1.25%) Data Centre
9 1 (0.63%) Smart Home
9 1 (0.63%) Smart Meter
Operating Systems
1 27 (16.88%) Linux
2 8 (5.00%) Android
3 4 (2.50%) Apple iOS
Processes & Methodologies
1 96 (60.00%) Agile Software Development
2 77 (48.13%) TDD
3 63 (39.38%) BDD
4 45 (28.13%) Web Development
5 38 (23.75%) DevOps
6 36 (22.50%) Continuous Delivery
7 35 (21.88%) Test Automation
8 32 (20.00%) Unit Testing
9 30 (18.75%) Software Engineering
10 29 (18.13%) Front End Development
11 27 (16.88%) API Development
12 26 (16.25%) API Design
13 22 (13.75%) Pair Programming
14 21 (13.13%) Configuration Management
14 21 (13.13%) Scrum
15 18 (11.25%) Continuous Integration
15 18 (11.25%) Software Delivery
16 17 (10.63%) Customer-Centricity
16 17 (10.63%) SDLC
17 16 (10.00%) Microservices
Programming Languages
1 148 (92.50%) JavaScript
2 121 (75.63%) ES6
3 57 (35.63%) TypeScript
4 26 (16.25%) ES7
5 22 (13.75%) Java
6 19 (11.88%) Python
7 8 (5.00%) SQL
8 3 (1.88%) C#
9 2 (1.25%) PHP
9 2 (1.25%) R
9 2 (1.25%) Scala
9 2 (1.25%) Solidity
10 1 (0.63%) GraphQL
10 1 (0.63%) Objective-C
10 1 (0.63%) Ruby
Qualifications
1 7 (4.38%) Degree
1 7 (4.38%) Security Cleared
2 4 (2.50%) Computer Science Degree
3 3 (1.88%) SC Cleared
Quality Assurance & Compliance
1 22 (13.75%) QA
System Software
1 53 (33.13%) Docker
2 2 (1.25%) Virtual Machines
Systems Management
1 19 (11.88%) Ansible
1 19 (11.88%) Terraform
2 4 (2.50%) Packer
3 2 (1.25%) Kibana
Vendors
1 19 (11.88%) Google
2 11 (6.88%) Atlassian
3 4 (2.50%) Microsoft
3 4 (2.50%) New Relic
4 2 (1.25%) Databricks
4 2 (1.25%) DevExpress
4 2 (1.25%) Salesforce.com
4 2 (1.25%) ServiceNow
5 1 (0.63%) AppDynamics
5 1 (0.63%) Splunk
5 1 (0.63%) Sybase