Period
to 19 June 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 19 June 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
19 Jun 2018
Same period 2017 Same period 2016
Rank 585 548 -
Rank change year-on-year -37 - -
Contract jobs citing Yarn 40 22 0
As % of all contract IT jobs advertised in London 0.089% 0.055% -
As % of the Cloud Services category 0.38% 0.34% -
Number of daily rates quoted 20 22 0
London median daily rate £525 £525 -
England median daily rate £450 £525 -
% change year-on-year -14.29% - -
Number of hourly rates quoted 2 0 0
London median hourly rate £150.00 - -
England median hourly rate £150.00 - -

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 10,620 6,456 4,757
As % of all contract IT jobs advertised in London 23.65% 16.27% 10.96%
Number of daily rates quoted 7,779 4,701 3,515
London median daily rate £505 £500 £475
Median daily rate % change year-on-year +1.00% +5.26% +11.76%
10th Percentile £325 £313 £304
90th Percentile £675 £638 £625
England median daily rate £485 £458 £450
% change year-on-year +5.90% +1.67% +9.09%
Number of hourly rates quoted 84 50 52
London median hourly rate £25.00 £21.33 £24.25
Median hourly rate % change year-on-year +17.22% -12.05% -11.22%
10th Percentile £14.04 £11.25 £12.83
90th Percentile £94.03 £127.63 £46.86
England median hourly rate £20.00 £19.00 £19.55
% change year-on-year +5.26% -2.83% -13.10%

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 19 June 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 19 June 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 -45 11 £525 - 5
Yarn
England

For the 6 months to 19 June 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 38 (95.00%) npm
2 36 (90.00%) JavaScript
3 34 (85.00%) React
4 26 (65.00%) ES6
5 20 (50.00%) Git (software)
6 17 (42.50%) Linux
6 17 (42.50%) HTML
6 17 (42.50%) AngularJS
6 17 (42.50%) webpack
6 17 (42.50%) Redux
7 16 (40.00%) Vue (Vue.js)
7 16 (40.00%) Node.js
8 14 (35.00%) Docker
8 14 (35.00%) DevOps
9 13 (32.50%) Python
9 13 (32.50%) Finance
9 13 (32.50%) CMS
10 12 (30.00%) Unix
10 12 (30.00%) Data Management
10 12 (30.00%) Content Management
10 12 (30.00%) Software Engineering
10 12 (30.00%) Backbone.js
10 12 (30.00%) ES7
11 11 (27.50%) Babel
11 11 (27.50%) Elasticsearch
11 11 (27.50%) Test Automation
11 11 (27.50%) JSON
12 10 (25.00%) Unit Testing
12 10 (25.00%) Greenfield Project
13 9 (22.50%) Front End Development

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 13 (32.50%) CMS
2 11 (27.50%) Elasticsearch
3 3 (7.50%) Apache Spark
3 3 (7.50%) Tomcat
4 2 (5.00%) Apache Solr
Cloud Services
1 38 (95.00%) npm
2 9 (22.50%) Amazon AWS
3 7 (17.50%) Microsoft Azure
4 1 (2.50%) Google Cloud Platform
4 1 (2.50%) OpenShift
4 1 (2.50%) Serverless
Communications & Networking
1 1 (2.50%) HTTP
1 1 (2.50%) Kerberos
1 1 (2.50%) Reverse Proxy
Database & Business Intelligence
1 7 (17.50%) MongoDB
2 6 (15.00%) Couchbase
2 6 (15.00%) CouchDB
2 6 (15.00%) Relational Database
2 6 (15.00%) SQL Server
2 6 (15.00%) SQL Server 2014
3 4 (10.00%) Big Data
4 3 (7.50%) NoSQL
5 2 (5.00%) Apache Hive
5 2 (5.00%) Hadoop
5 2 (5.00%) HBase
5 2 (5.00%) Sqoop
6 1 (2.50%) Amazon Redshift
6 1 (2.50%) PostgreSQL
6 1 (2.50%) Redis
Development Applications
1 20 (50.00%) Git (software)
2 17 (42.50%) webpack
3 11 (27.50%) Babel
4 7 (17.50%) Jenkins
5 6 (15.00%) Maven
5 6 (15.00%) Mocha
6 5 (12.50%) gulp
6 5 (12.50%) Jasmine
6 5 (12.50%) TeamCity
7 4 (10.00%) Cucumber
7 4 (10.00%) JUnit
7 4 (10.00%) Protractor
8 3 (7.50%) Bower
8 3 (7.50%) Grunt
9 2 (5.00%) CircleCI
General
1 13 (32.50%) Finance
2 5 (12.50%) Front Office
3 2 (5.00%) Banking
Job Titles
1 34 (85.00%) Developer
2 20 (50.00%) React Developer
3 15 (37.50%) Angular Developer
4 8 (20.00%) JavaScript Developer
4 8 (20.00%) Node.js Developer
5 6 (15.00%) Applications Developer
5 6 (15.00%) Web Applications Developer
6 5 (12.50%) Front End Developer (Client-Side Developer)
6 5 (12.50%) Java Developer
6 5 (12.50%) Senior Developer
7 3 (7.50%) E-Commerce Developer
7 3 (7.50%) Full Stack Developer
7 3 (7.50%) Senior JavaScript Developer
8 2 (5.00%) Big Data Developer
9 1 (2.50%) Full Stack Web Developer
9 1 (2.50%) Junior
9 1 (2.50%) Junior Developer
9 1 (2.50%) Python Developer
9 1 (2.50%) Senior Java Developer
9 1 (2.50%) Senior Python Developer
Libraries, Frameworks & Software Standards
1 34 (85.00%) React
2 17 (42.50%) AngularJS
2 17 (42.50%) HTML
2 17 (42.50%) Redux
3 16 (40.00%) Node.js
3 16 (40.00%) Vue (Vue.js)
4 12 (30.00%) Backbone.js
5 11 (27.50%) JSON
6 9 (22.50%) HTML5
7 7 (17.50%) Kafka
7 7 (17.50%) RESTful
7 7 (17.50%) Spring
7 7 (17.50%) Spring Boot
7 7 (17.50%) Web Services
8 6 (15.00%) Akka
8 6 (15.00%) Angular 2
8 6 (15.00%) Hibernate
8 6 (15.00%) Twitter Bootstrap
8 6 (15.00%) WPF
8 6 (15.00%) XML
Miscellaneous
1 10 (25.00%) Greenfield Project
2 6 (15.00%) Foreign Exchange (FX)
3 4 (10.00%) User Experience
4 3 (7.50%) Hedge funds
5 2 (5.00%) Fixed Income
6 1 (2.50%) Computer Science
6 1 (2.50%) Linux Command Line
Operating Systems
1 17 (42.50%) Linux
2 12 (30.00%) Unix
3 1 (2.50%) Windows
Processes & Methodologies
1 14 (35.00%) DevOps
2 12 (30.00%) Content Management
2 12 (30.00%) Data Management
2 12 (30.00%) Software Engineering
3 11 (27.50%) Test Automation
4 10 (25.00%) Unit Testing
5 9 (22.50%) Agile Software Development
5 9 (22.50%) Front End Development
5 9 (22.50%) SOLID
5 9 (22.50%) TDD
6 8 (20.00%) Analytics
6 8 (20.00%) Continuous Integration
6 8 (20.00%) Web Development
7 7 (17.50%) Continuous Delivery
8 6 (15.00%) BDD
8 6 (15.00%) Electronic Trading
8 6 (15.00%) Garbage Collection
9 5 (12.50%) Data Analytics
9 5 (12.50%) OO
9 5 (12.50%) Regulatory Compliance
Programming Languages
1 36 (90.00%) JavaScript
2 26 (65.00%) ES6
3 13 (32.50%) Python
4 12 (30.00%) ES7
5 9 (22.50%) TypeScript
6 6 (15.00%) C#
6 6 (15.00%) Java
6 6 (15.00%) Java 8
7 3 (7.50%) SQL
8 2 (5.00%) ES8
9 1 (2.50%) Bash Shell
Quality Assurance & Compliance
1 1 (2.50%) GCP
System Software
1 14 (35.00%) Docker
2 2 (5.00%) Apache ZooKeeper
2 2 (5.00%) HDFS
Systems Management
1 3 (7.50%) Hadoop YARN
2 2 (5.00%) Kubernetes
2 2 (5.00%) Oozie
3 1 (2.50%) Docker Swarm
3 1 (2.50%) Kibana
Vendors
1 6 (15.00%) FXall
1 6 (15.00%) Reuters
2 4 (10.00%) Cypress Semiconductor
3 1 (2.50%) Facebook
3 1 (2.50%) Google
3 1 (2.50%) Microsoft
3 1 (2.50%) Salesforce.com
3 1 (2.50%) Tableau