Period
to 25 September 2018

The following table provides summary statistics for contract job vacancies 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 25 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.

Yarn Package Manager
UK
6 months to
25 Sep 2018
Same period 2017 Same period 2016
Rank 845 822 -
Rank change year-on-year -23 - -
Contract jobs citing Yarn 57 45 0
As % of all contract IT jobs advertised in the UK 0.055% 0.046% -
As % of the Cloud Services category 0.25% 0.30% -
Number of daily rates quoted 38 43 0
UK median daily rate £463 £500 -
Median daily rate % change year-on-year -7.50% - -
UK excluding London median daily rate £425 £478 -
% change year-on-year -10.99% - -
Number of hourly rates quoted 0 0 0
UK median hourly rate - - -
UK excluding London 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 with a requirement for cloud computing skills.

All Cloud Skills
UK
Contract vacancies with a requirement for cloud computing skills 22,363 14,761 11,536
As % of all contract IT jobs advertised in the UK 21.75% 15.02% 10.88%
Number of daily rates quoted 15,368 10,127 8,008
UK median daily rate £475 £463 £450
Median daily rate % change year-on-year +2.70% +2.78% +9.09%
10th Percentile £305 £275 £275
90th Percentile £648 £625 £605
UK excluding London median daily rate £450 £425 £425
% change year-on-year +5.88% - +6.25%
Number of hourly rates quoted 327 221 180
UK median hourly rate £17.75 £20.00 £18.27
Median hourly rate % change year-on-year -11.25% +9.45% -20.55%
10th Percentile £11.25 £11.25 £11.64
90th Percentile £63.37 £63.75 £50.00
UK excluding London median hourly rate £17.50 £18.98 £17.00
% change year-on-year -7.80% +11.65% -29.17%

Yarn
Job Vacancy Trend

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

Job vacancy trend for Yarn in the UK

Yarn
Contractor Daily Rate Trend

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

Contractor daily rate trend for Yarn in the UK

Yarn
Contractor Daily Rate Histogram

The daily rate distribution of IT jobs citing Yarn over the 6 months to 25 September 2018.

Contractor daily rate histogram for Yarn in the UK

Yarn
Top 10 Contract Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Yarn within the UK over the 6 months to 25 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
England -23 37 £515 -0.72% 34
UK excluding London -9 29 £425 -10.99% 22
London -16 26 £575 +9.52% 15
Scotland -5 17 £425 -15.00% 1
North of England - 5 £550 - 6
North West - 5 £550 - 5
Midlands -17 3 £375 - 1
South West - 3 £400 - 5
West Midlands - 3 £375 -
Northern Ireland - 1 £600 - 2

For the 6 months to 25 September 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 with a requirement for Yarn.

1 49 (85.96%) JavaScript
2 47 (82.46%) React
3 46 (80.70%) npm
4 39 (68.42%) Redux
5 34 (59.65%) Git (software)
5 34 (59.65%) webpack
6 29 (50.88%) Node.js
6 29 (50.88%) CSS
7 28 (49.12%) TDD
8 27 (47.37%) HTML
9 25 (43.86%) User Experience
9 25 (43.86%) ES6
10 24 (42.11%) Babel
11 22 (38.60%) Python
12 21 (36.84%) Continuous Integration
13 20 (35.09%) Amazon AWS
14 18 (31.58%) HTML5
15 17 (29.82%) Mocha
15 17 (29.82%) Java
15 17 (29.82%) Front End Development
16 16 (28.07%) Chai
16 16 (28.07%) Enzyme
16 16 (28.07%) Data Analytics
16 16 (28.07%) Analytics
16 16 (28.07%) TypeScript
17 15 (26.32%) SQL
17 15 (26.32%) Unit Testing
18 14 (24.56%) Test Automation
18 14 (24.56%) RESTful
19 13 (22.81%) Isomorphic JavaScript

Yarn
Co-occurring IT Skills 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 5 (8.77%) Elasticsearch
2 2 (3.51%) Apache Spark
3 1 (1.75%) Apache Solr
3 1 (1.75%) OpenStack
3 1 (1.75%) Tomcat
Applications
1 4 (7.02%) Fireworks
1 4 (7.02%) Photoshop
2 2 (3.51%) Chatbot
Cloud Services
1 46 (80.70%) npm
2 20 (35.09%) Amazon AWS
3 5 (8.77%) Google Cloud Platform
4 4 (7.02%) Microsoft Azure
5 3 (5.26%) GitHub
6 2 (3.51%) Dialogflow
7 1 (1.75%) Cloud Computing
7 1 (1.75%) Heroku
7 1 (1.75%) OpenShift
7 1 (1.75%) Serverless
7 1 (1.75%) Slack
Communications & Networking
1 1 (1.75%) HTTP
1 1 (1.75%) Reverse Proxy
Database & Business Intelligence
1 8 (14.04%) SQL Server
1 8 (14.04%) SQL Server 2014
2 5 (8.77%) NoSQL
3 4 (7.02%) Big Data
4 3 (5.26%) MongoDB
4 3 (5.26%) Relational Database
5 2 (3.51%) Data Mining
6 1 (1.75%) Amazon Redshift
6 1 (1.75%) Apache Cassandra
6 1 (1.75%) Apache Hive
6 1 (1.75%) Hadoop
6 1 (1.75%) HBase
6 1 (1.75%) PostgreSQL
6 1 (1.75%) Redis
6 1 (1.75%) Sqoop
Development Applications
1 34 (59.65%) Git (software)
1 34 (59.65%) webpack
2 24 (42.11%) Babel
3 17 (29.82%) Mocha
4 11 (19.30%) Karma Test Runner
4 11 (19.30%) Maven
5 10 (17.54%) gulp
5 10 (17.54%) Jenkins
5 10 (17.54%) JUnit
6 9 (15.79%) Grunt
7 8 (14.04%) TeamCity
8 4 (7.02%) Axure RP
8 4 (7.02%) Jasmine
9 3 (5.26%) Bower
9 3 (5.26%) CircleCI
10 2 (3.51%) JIRA
10 2 (3.51%) LoadUI
10 2 (3.51%) PhantomJS
11 1 (1.75%) Atlassian Bamboo
11 1 (1.75%) Eclipse
General
1 13 (22.81%) Finance
2 8 (14.04%) Front Office
3 6 (10.53%) Banking
4 1 (1.75%) Music Industry
4 1 (1.75%) Pharmaceutical
Job Titles
1 38 (66.67%) Developer
2 21 (36.84%) JavaScript Developer
3 14 (24.56%) React Developer
4 13 (22.81%) Front End Developer (Client-Side Developer)
5 8 (14.04%) Java Developer
6 7 (12.28%) Full Stack Developer
7 5 (8.77%) Senior Developer
8 4 (7.02%) Node.js Developer
8 4 (7.02%) Software Engineer
9 3 (5.26%) Angular Developer
9 3 (5.26%) AWS Developer
9 3 (5.26%) HTML CSS Developer
9 3 (5.26%) HTML Developer
10 2 (3.51%) Designer
10 2 (3.51%) Java Software Engineer
10 2 (3.51%) Python Developer
10 2 (3.51%) Senior Front-End Developer
10 2 (3.51%) UI Developer
10 2 (3.51%) UX Designer
10 2 (3.51%) UX Developer
Libraries, Frameworks & Software Standards
1 47 (82.46%) React
2 39 (68.42%) Redux
3 29 (50.88%) CSS
3 29 (50.88%) Node.js
4 27 (47.37%) HTML
5 18 (31.58%) HTML5
6 16 (28.07%) Chai
6 16 (28.07%) Enzyme
7 14 (24.56%) RESTful
8 12 (21.05%) AngularJS
8 12 (21.05%) Spring
9 11 (19.30%) Sass
10 10 (17.54%) Kafka
10 10 (17.54%) Spring Boot
11 9 (15.79%) Express
11 9 (15.79%) Hibernate
11 9 (15.79%) Jest
11 9 (15.79%) Twitter Bootstrap
12 8 (14.04%) ActiveMQ
12 8 (14.04%) WPF
Miscellaneous
1 25 (43.86%) User Experience
2 9 (15.79%) Cloud Native
3 8 (14.04%) Data Structures
4 7 (12.28%) Equities
4 7 (12.28%) Greenfield Project
5 5 (8.77%) Mobile App
6 3 (5.26%) Analytical Skills
7 2 (3.51%) Self-Motivation
8 1 (1.75%) Algorithms
8 1 (1.75%) Computer Science
8 1 (1.75%) Fixed Income
8 1 (1.75%) Foreign Exchange (FX)
8 1 (1.75%) Linux Command Line
8 1 (1.75%) Renewable Energy
Operating Systems
1 11 (19.30%) Linux
2 7 (12.28%) Unix
3 1 (1.75%) Android
3 1 (1.75%) Apple iOS
3 1 (1.75%) Windows
Processes & Methodologies
1 28 (49.12%) TDD
2 21 (36.84%) Continuous Integration
3 17 (29.82%) Front End Development
4 16 (28.07%) Analytics
4 16 (28.07%) Data Analytics
5 15 (26.32%) Unit Testing
6 14 (24.56%) Test Automation
7 13 (22.81%) Agile Software Development
7 13 (22.81%) Isomorphic JavaScript
7 13 (22.81%) Microservices
7 13 (22.81%) OO
8 11 (19.30%) Data Modelling
8 11 (19.30%) Data Visualisation
8 11 (19.30%) Visualisation
9 10 (17.54%) Responsive Web Design
10 9 (15.79%) Continuous Delivery
10 9 (15.79%) SOLID
11 8 (14.04%) Garbage Collection
11 8 (14.04%) MVC
11 8 (14.04%) Scrum
Programming Languages
1 49 (85.96%) JavaScript
2 25 (43.86%) ES6
3 22 (38.60%) Python
4 17 (29.82%) Java
5 16 (28.07%) TypeScript
6 15 (26.32%) SQL
7 8 (14.04%) C#
7 8 (14.04%) Java 8
8 4 (7.02%) ES8
9 3 (5.26%) ES7
10 1 (1.75%) Bash Shell
10 1 (1.75%) C++
10 1 (1.75%) Shell Script
Qualifications
1 1 (1.75%) Computer Science Degree
1 1 (1.75%) Degree
1 1 (1.75%) Numerate Degree
System Software
1 6 (10.53%) Docker
2 1 (1.75%) Apache ZooKeeper
2 1 (1.75%) Ceph
2 1 (1.75%) HDFS
Systems Management
1 3 (5.26%) Kubernetes
2 2 (3.51%) Hadoop YARN
3 1 (1.75%) Ansible
3 1 (1.75%) Docker Swarm
3 1 (1.75%) Grafana
3 1 (1.75%) HAProxy
3 1 (1.75%) Oozie
3 1 (1.75%) Prometheus
Vendors
1 4 (7.02%) Adobe
1 4 (7.02%) Google
2 2 (3.51%) MicroStrategy
2 2 (3.51%) Tableau
3 1 (1.75%) Atlassian
3 1 (1.75%) Cognizant
3 1 (1.75%) Facebook
3 1 (1.75%) FXall
3 1 (1.75%) Microsoft
3 1 (1.75%) Reuters
3 1 (1.75%) Salesforce.com