Period
to 11 December 2018

The following table provides summary statistics for contract job vacancies advertised in London with a requirement for Yarn skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Yarn over the 6 months to 11 December 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.

Yarn Package Manager
England > London
6 months to
11 Dec 2018
Same period 2017 Same period 2016
Rank 598 623 -
Rank change year-on-year +25 - -
Contract jobs citing Yarn 35 26 0
As % of all contract IT jobs advertised in London 0.074% 0.055% -
As % of the Cloud Services category 0.28% 0.29% -
Number of daily rates quoted 27 25 0
London median daily rate £550 £513 -
Median daily rate % change year-on-year +7.32% - -
England median daily rate £550 £475 -
% change year-on-year +15.79% - -
Number of hourly rates quoted 0 0 0
London median hourly rate - - -
England median hourly rate - - -

Yarn is in the Cloud Services 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 cloud computing skills.

All Cloud Skills
London
Contract vacancies with a requirement for cloud computing skills 12,531 9,007 6,428
As % of all contract IT jobs advertised in London 26.61% 18.97% 14.48%
Number of daily rates quoted 9,290 6,766 4,718
London median daily rate £525 £500 £475
Median daily rate % change year-on-year +5.00% +5.26% +6.74%
10th Percentile £340 £313 £310
90th Percentile £675 £638 £625
England median daily rate £500 £475 £450
% change year-on-year +5.26% +5.56% +5.88%
Number of hourly rates quoted 75 81 51
London median hourly rate £19.00 £21.50 £25.00
Median hourly rate % change year-on-year -11.63% -14.00% +24.29%
10th Percentile £12.50 £11.25 £12.13
90th Percentile £82.18 £58.75 £97.50
England median hourly rate £17.50 £20.00 £19.00
% change year-on-year -12.50% +5.26% -11.63%

Yarn
Job Vacancy Trend in London

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

Job vacancy trend for Yarn in London

Yarn
Contractor Daily Rate Trend in London

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

Contractor daily rate trend for Yarn in London

Yarn
Contractor Daily Rate Histogram in London

The daily rate distribution of IT jobs citing Yarn in London over the 6 months to 11 December 2018.

Contractor daily rate histogram for Yarn in London

Yarn
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 Yarn within the London region over the 6 months to 11 December 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 -11 10 £550 +15.18% 4
Yarn
England

For the 6 months to 11 December 2018, IT contractor jobs citing Yarn 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 Yarn.

1 27 (77.14%) npm
2 20 (57.14%) JavaScript
3 19 (54.29%) React
4 18 (51.43%) webpack
5 17 (48.57%) Redux
5 17 (48.57%) TDD
6 15 (42.86%) Git (software)
7 14 (40.00%) Node.js
7 14 (40.00%) HTML
8 13 (37.14%) Agile Software Development
8 13 (37.14%) RESTful
8 13 (37.14%) Front End Development
8 13 (37.14%) User Experience
9 12 (34.29%) ES6
9 12 (34.29%) CSS
10 11 (31.43%) HTML5
11 10 (28.57%) GitHub
11 10 (28.57%) Sass
11 10 (28.57%) React Native
12 9 (25.71%) Jenkins
12 9 (25.71%) TypeScript
12 9 (25.71%) BDD
12 9 (25.71%) Continuous Integration
13 8 (22.86%) Finance
14 7 (20.00%) Web Development
14 7 (20.00%) SQL Server
14 7 (20.00%) OOP
14 7 (20.00%) TeamCity
14 7 (20.00%) Amazon AWS
14 7 (20.00%) Mocha

Yarn
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 1 (2.86%) OpenStack
Applications
1 3 (8.57%) Adobe Illustrator
1 3 (8.57%) Photoshop
2 2 (5.71%) Chatbot
3 1 (2.86%) Microsoft Excel
3 1 (2.86%) Microsoft Office
3 1 (2.86%) Microsoft PowerPoint
Cloud Services
1 27 (77.14%) npm
2 10 (28.57%) GitHub
3 7 (20.00%) Amazon AWS
4 4 (11.43%) Google Cloud Platform
4 4 (11.43%) Microsoft Azure
5 2 (5.71%) Dialogflow
6 1 (2.86%) Cloud Computing
6 1 (2.86%) Datadog
6 1 (2.86%) Heroku
6 1 (2.86%) Slack
Database & Business Intelligence
1 7 (20.00%) SQL Server
2 3 (8.57%) SQL Server 2014
3 2 (5.71%) Looker
3 2 (5.71%) MongoDB
3 2 (5.71%) NoSQL
4 1 (2.86%) Apache Cassandra
4 1 (2.86%) MySQL
4 1 (2.86%) Relational Database
Development Applications
1 18 (51.43%) webpack
2 15 (42.86%) Git (software)
3 9 (25.71%) Jenkins
4 7 (20.00%) Karma Test Runner
4 7 (20.00%) Mocha
4 7 (20.00%) Protractor
4 7 (20.00%) TeamCity
5 6 (17.14%) gulp
6 5 (14.29%) Babel
6 5 (14.29%) GitLab
7 4 (11.43%) Maven
7 4 (11.43%) NUnit
7 4 (11.43%) SpecFlow
7 4 (11.43%) Subversion
8 3 (8.57%) Grunt
8 3 (8.57%) Jasmine
8 3 (8.57%) JUnit
8 3 (8.57%) PostCSS
9 2 (5.71%) CircleCI
10 1 (2.86%) Bower
General
1 8 (22.86%) Finance
2 3 (8.57%) Banking
2 3 (8.57%) Front Office
3 1 (2.86%) Digital Economy
3 1 (2.86%) Games
3 1 (2.86%) Investment Banking
3 1 (2.86%) Marketing
3 1 (2.86%) Music Industry
Job Titles
1 19 (54.29%) Developer
2 9 (25.71%) Front End Developer (Client-Side Developer)
3 7 (20.00%) JavaScript Developer
3 7 (20.00%) React Developer
4 6 (17.14%) Senior Developer
5 5 (14.29%) Senior Front-End Developer
6 4 (11.43%) Full Stack Developer
7 3 (8.57%) Software Engineer
8 2 (5.71%) Angular Developer
8 2 (5.71%) Java Developer
8 2 (5.71%) Senior JavaScript Developer
8 2 (5.71%) UI Developer
8 2 (5.71%) UI Engineer
8 2 (5.71%) Web UI Developer
9 1 (2.86%) Azure Engineer
9 1 (2.86%) Cloud Engineer
9 1 (2.86%) DevOps Engineer
9 1 (2.86%) Kubernetes Engineer
9 1 (2.86%) Node.js Developer
9 1 (2.86%) Senior React Developer
Libraries, Frameworks & Software Standards
1 19 (54.29%) React
2 17 (48.57%) Redux
3 14 (40.00%) HTML
3 14 (40.00%) Node.js
4 13 (37.14%) RESTful
5 12 (34.29%) CSS
6 11 (31.43%) HTML5
7 10 (28.57%) React Native
7 10 (28.57%) Sass
8 7 (20.00%) AngularJS
9 6 (17.14%) Express
10 5 (14.29%) CSS3
10 5 (14.29%) Jest
10 5 (14.29%) Spring
10 5 (14.29%) Vue.js
10 5 (14.29%) Web Services
11 4 (11.43%) ActiveMQ
11 4 (11.43%) Hibernate
11 4 (11.43%) NancyFx
11 4 (11.43%) Spring Boot
Miscellaneous
1 13 (37.14%) User Experience
2 6 (17.14%) Mobile App
3 3 (8.57%) Data Structures
3 3 (8.57%) Equities
3 3 (8.57%) Greenfield Project
4 2 (5.71%) Fintech
5 1 (2.86%) Enterprise Software
5 1 (2.86%) Online Games
5 1 (2.86%) PlayStation
5 1 (2.86%) Renewable Energy
Operating Systems
1 4 (11.43%) Linux
2 3 (8.57%) Unix
3 2 (5.71%) Android
3 2 (5.71%) Apple iOS
4 1 (2.86%) Windows
Processes & Methodologies
1 17 (48.57%) TDD
2 13 (37.14%) Agile Software Development
2 13 (37.14%) Front End Development
3 9 (25.71%) BDD
3 9 (25.71%) Continuous Integration
4 7 (20.00%) Microservices
4 7 (20.00%) OOP
4 7 (20.00%) Web Development
5 6 (17.14%) Unit Testing
6 5 (14.29%) Mobile Application Development
6 5 (14.29%) Software Engineering
7 4 (11.43%) Event-Driven Architecture
7 4 (11.43%) Isomorphic JavaScript
7 4 (11.43%) OO
7 4 (11.43%) Responsive Web Design
7 4 (11.43%) Workflow
8 3 (8.57%) Integration Acceptance Testing
8 3 (8.57%) MVC
8 3 (8.57%) SEO
8 3 (8.57%) Test Automation
Programming Languages
1 20 (57.14%) JavaScript
2 12 (34.29%) ES6
3 9 (25.71%) TypeScript
4 6 (17.14%) Java
4 6 (17.14%) Python
5 5 (14.29%) Shell Script
5 5 (14.29%) SQL
6 4 (11.43%) Java 8
6 4 (11.43%) PowerShell
7 3 (8.57%) C#
8 2 (5.71%) Go
Quality Assurance & Compliance
1 3 (8.57%) WCAG
System Software
1 2 (5.71%) Docker
2 1 (2.86%) Ceph
Systems Management
1 3 (8.57%) Kubernetes
2 2 (5.71%) Ansible
2 2 (5.71%) Grafana
2 2 (5.71%) Prometheus
3 1 (2.86%) HAProxy
3 1 (2.86%) Opscode Chef
3 1 (2.86%) Puppet
3 1 (2.86%) Salt
Vendors
1 4 (11.43%) Microsoft
2 3 (8.57%) Google
3 1 (2.86%) Cognizant