Period
to 15 October 2019

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 15 October 2019 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
15 Oct 2019
Same period 2018 Same period 2017
Rank 755 839 845
Rank change year-on-year +84 +6 -
Contract jobs citing Yarn 56 61 46
As % of all contract IT jobs advertised in the UK 0.066% 0.059% 0.047%
As % of the Cloud Services category 0.23% 0.26% 0.29%
Number of daily rates quoted 44 41 46
UK median daily rate £550 £475 £500
Median daily rate % change year-on-year +15.79% -5.00% -
10th Percentile £413 £375 £413
90th Percentile £750 £625 £600
UK excluding London median daily rate £475 £425 £455
% change year-on-year +11.76% -6.59% -
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 24,622 23,698 15,678
As % of all contract IT jobs advertised in the UK 28.86% 22.99% 15.93%
Number of daily rates quoted 16,877 16,342 10,800
UK median daily rate £495 £475 £455
Median daily rate % change year-on-year +4.30% +4.51% +1.00%
10th Percentile £294 £300 £269
90th Percentile £656 £644 £625
UK excluding London median daily rate £450 £438 £425
% change year-on-year +2.86% +2.94% -
Number of hourly rates quoted 415 337 228
UK median hourly rate £21.50 £17.50 £20.00
Median hourly rate % change year-on-year +22.86% -12.50% +7.85%
10th Percentile £14.00 £11.25 £11.18
90th Percentile £73.75 £61.18 £63.75
UK excluding London median hourly rate £21.76 £17.50 £18.25
% change year-on-year +24.34% -4.11% +5.61%

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 15 October 2019.

Contractor daily rate histogram for Yarn in the UK

Yarn
Top 9 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 15 October 2019. 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 +97 54 £550 +7.32% 25
London +95 43 £550 +5.52% 10
UK excluding London +49 9 £475 +11.76% 17
South West -17 3 £485 +21.25% 4
South East - 3 £475 -
Midlands +46 1 £400 +6.67% 3
Scotland +14 1 £500 +17.65% 2
East Midlands - 1 £400 - 3
Wales - 1 £400 -

For the 6 months to 15 October 2019, 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 44 (78.57%) JavaScript
1 44 (78.57%) npm
2 38 (67.86%) CSS
3 33 (58.93%) webpack
4 31 (55.36%) HTML
5 28 (50.00%) Git (software)
6 27 (48.21%) Node.js
7 25 (44.64%) ES6
8 22 (39.29%) React
8 22 (39.29%) Finance
9 20 (35.71%) Java
9 20 (35.71%) HTML5
9 20 (35.71%) TypeScript
10 18 (32.14%) Banking
11 17 (30.36%) Agile Software Development
11 17 (30.36%) Front End Development
12 15 (26.79%) AngularJS
13 14 (25.00%) Docker
13 14 (25.00%) Redux
13 14 (25.00%) Web Development
14 13 (23.21%) Unit Testing
14 13 (23.21%) C#
14 13 (23.21%) gulp
14 13 (23.21%) Sass
15 12 (21.43%) User Experience
15 12 (21.43%) Vue.js
15 12 (21.43%) GraphQL
15 12 (21.43%) CSS3
16 11 (19.64%) Atlassian
16 11 (19.64%) SQL

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 (8.93%) Apache
1 5 (8.93%) IIS
1 5 (8.93%) nginx
2 4 (7.14%) Elasticsearch
3 2 (3.57%) Confluence
3 2 (3.57%) JBoss
4 1 (1.79%) CMS
4 1 (1.79%) Drupal
Cloud Services
1 44 (78.57%) npm
2 11 (19.64%) GitHub
3 10 (17.86%) Azure
4 9 (16.07%) AWS
5 6 (10.71%) GCP
6 5 (8.93%) Datadog
6 5 (8.93%) OpenShift
7 1 (1.79%) Amazon ECS
7 1 (1.79%) Amazon SQS
7 1 (1.79%) AWS CloudFormation
Communications & Networking
1 5 (8.93%) HTTP
1 5 (8.93%) Reverse Proxy
2 2 (3.57%) SNMP
Database & Business Intelligence
1 5 (8.93%) NoSQL
2 4 (7.14%) Big Data
3 3 (5.36%) MongoDB
3 3 (5.36%) MySQL
3 3 (5.36%) Relational Database
4 2 (3.57%) Oracle Database
4 2 (3.57%) SQL Server
4 2 (3.57%) SQL Server 2014
5 1 (1.79%) Amazon DynamoDB
5 1 (1.79%) PostgreSQL
5 1 (1.79%) RDBMS
5 1 (1.79%) Redis
Development Applications
1 33 (58.93%) webpack
2 28 (50.00%) Git (software)
3 13 (23.21%) gulp
4 9 (16.07%) Maven
5 7 (12.50%) Bitbucket
5 7 (12.50%) GitLab
6 6 (10.71%) Gradle
7 5 (8.93%) Gerrit
7 5 (8.93%) Jasmine
8 4 (7.14%) Grunt
8 4 (7.14%) JUnit
8 4 (7.14%) Karma Test Runner
8 4 (7.14%) Mocha
9 3 (5.36%) Jenkins
9 3 (5.36%) Selenium
9 3 (5.36%) Visual Studio
10 2 (3.57%) JIRA
10 2 (3.57%) PHPUnit
10 2 (3.57%) TeamCity
10 2 (3.57%) Vagrant
General
1 22 (39.29%) Finance
2 18 (32.14%) Banking
3 10 (17.86%) Front Office
3 10 (17.86%) Investment Banking
4 6 (10.71%) Marketing
5 2 (3.57%) International Banking
5 2 (3.57%) Retail
6 1 (1.79%) Games
6 1 (1.79%) Public Sector
Job Titles
1 47 (83.93%) Developer
2 19 (33.93%) Senior Developer
3 14 (25.00%) Front End Developer (Client-Side Developer)
4 10 (17.86%) UI Developer
5 9 (16.07%) Senior UI Developer
6 8 (14.29%) Full Stack Developer
7 7 (12.50%) JavaScript Developer
8 6 (10.71%) DevOps Engineer
8 6 (10.71%) Senior Front-End Developer
9 5 (8.93%) React Developer
10 4 (7.14%) Full Stack Web Developer
10 4 (7.14%) Web Developer
11 3 (5.36%) Angular Developer
11 3 (5.36%) Java Developer
11 3 (5.36%) PHP Developer
12 2 (3.57%) Mobile Applications Developer
12 2 (3.57%) Mobile Developer
12 2 (3.57%) PHP Symfony Developer
12 2 (3.57%) Senior Full Stack Developer
12 2 (3.57%) Symfony Developer
Libraries, Frameworks & Software Standards
1 38 (67.86%) CSS
2 31 (55.36%) HTML
3 27 (48.21%) Node.js
4 22 (39.29%) React
5 20 (35.71%) HTML5
6 15 (26.79%) AngularJS
7 14 (25.00%) Redux
8 13 (23.21%) Sass
9 12 (21.43%) CSS3
9 12 (21.43%) GraphQL
9 12 (21.43%) Vue.js
10 10 (17.86%) Jest
10 10 (17.86%) Spring
10 10 (17.86%) Spring Boot
11 7 (12.50%) RESTful
12 6 (10.71%) LESS
12 6 (10.71%) OAuth
12 6 (10.71%) REST
13 4 (7.14%) OAuth2
13 4 (7.14%) Swagger
Miscellaneous
1 12 (21.43%) User Experience
2 7 (12.50%) Derivative
2 7 (12.50%) Enterprise Software
3 4 (7.14%) Greenfield Project
3 4 (7.14%) Linux Command Line
4 3 (5.36%) Data Structures
5 2 (3.57%) Equities
5 2 (3.57%) Fixed Income
5 2 (3.57%) Mobile App
6 1 (1.79%) Animation
6 1 (1.79%) Foreign Exchange (FX)
Operating Systems
1 10 (17.86%) Linux
2 4 (7.14%) Windows
3 2 (3.57%) Unix
Processes & Methodologies
1 17 (30.36%) Agile Software Development
1 17 (30.36%) Front End Development
2 14 (25.00%) Web Development
3 13 (23.21%) Unit Testing
4 11 (19.64%) DevOps
5 9 (16.07%) TDD
6 8 (14.29%) Microservices
6 8 (14.29%) Problem-Solving
7 7 (12.50%) Continuous Integration
7 7 (12.50%) Test Automation
8 6 (10.71%) OOP
9 5 (8.93%) Asynchronous Programming
9 5 (8.93%) Configuration Management
9 5 (8.93%) Dependency Management
9 5 (8.93%) Disaster Recovery
9 5 (8.93%) High Availability
9 5 (8.93%) Load Balancing
9 5 (8.93%) Responsive Web Design
10 4 (7.14%) Isomorphic JavaScript
10 4 (7.14%) Mobile First
Programming Languages
1 44 (78.57%) JavaScript
2 25 (44.64%) ES6
3 20 (35.71%) Java
3 20 (35.71%) TypeScript
4 13 (23.21%) C#
5 11 (19.64%) SQL
6 9 (16.07%) Python
7 7 (12.50%) Scala
8 5 (8.93%) Go
8 5 (8.93%) Java 8
9 4 (7.14%) PHP
10 2 (3.57%) Bash Shell
11 1 (1.79%) ES7
11 1 (1.79%) Groovy
11 1 (1.79%) Perl
11 1 (1.79%) Ruby
Qualifications
1 3 (5.36%) Security Cleared
2 2 (3.57%) Degree
2 2 (3.57%) DV Cleared
3 1 (1.79%) SC Cleared
System Software
1 14 (25.00%) Docker
2 2 (3.57%) VirtualBox
Systems Management
1 7 (12.50%) Hadoop YARN
2 6 (10.71%) Ansible
3 5 (8.93%) Grafana
3 5 (8.93%) Opscode Chef
3 5 (8.93%) Prometheus
3 5 (8.93%) Puppet
3 5 (8.93%) Salt
4 2 (3.57%) Kubernetes
5 1 (1.79%) Docker Swarm
5 1 (1.79%) Terraform
Vendors
1 11 (19.64%) Atlassian
2 4 (7.14%) Microsoft
3 2 (3.57%) Oracle
4 1 (1.79%) Cypress Semiconductor
4 1 (1.79%) Optimizely