Period
to 21 September 2021

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 21 September 2021 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
21 Sep 2021
Same period 2020 Same period 2019
Rank 510 360 538
Rank change year-on-year -150 +178 +65
Contract jobs citing Yarn 41 4 41
As % of all contract jobs advertised in London 0.12% 0.030% 0.11%
As % of the Cloud Services category 0.32% 0.086% 0.33%
Number of daily rates quoted 25 4 35
10th Percentile £373 £304 £430
25th Percentile £500 £403 £494
Median daily rate (50th Percentile) £550 £508 £550
Median % change year-on-year +8.37% -7.73% +6.28%
75th Percentile £700 £591 £588
90th Percentile " £619 £750
England median daily rate £525 £500 £550
% change year-on-year +5.00% -9.09% +7.32%

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 12,868 4,654 12,550
As % of all contract IT jobs advertised in London 38.19% 35.14% 32.61%
Number of daily rates quoted 9,494 3,481 9,075
10th Percentile £380 £350 £325
25th Percentile £463 £425 £425
Median daily rate (50th Percentile) £550 £525 £525
Median % change year-on-year +4.76% - +4.48%
75th Percentile £650 £625 £613
90th Percentile £723 £725 £688
England median daily rate £525 £500 £500
% change year-on-year +5.00% - +5.26%
Number of hourly rates quoted 72 16 94
10th Percentile £13.38 £13.81 £14.00
25th Percentile £16.27 £21.13 £18.70
Median hourly rate £25.00 £31.00 £21.00
Median % change year-on-year -19.35% +47.62% +5.00%
75th Percentile £51.00 £48.50 £25.94
90th Percentile £65.00 £58.13 £53.38
England median hourly rate £20.00 £20.92 £21.00
% change year-on-year -4.39% -0.39% +20.00%

Yarn
Job Vacancy Trend in London

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

Job vacancy trend for Yarn in London

Yarn
Contractor Daily Rate Trend in London

3-month moving average daily rate quoted in jobs citing Yarn in London.

Daily rate trend for Yarn in London

Yarn
Daily Rate Histogram in London

Daily rate distribution for jobs citing Yarn in London over the 6 months to 21 September 2021.

Daily rate histogram for Yarn in London

For the 6 months to 21 September 2021, 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 41 (100.00%) React
2 40 (97.56%) webpack
3 39 (95.12%) HTML
3 39 (95.12%) JavaScript
3 39 (95.12%) CSS
4 38 (92.68%) npm
5 35 (85.37%) Node.js
6 31 (75.61%) AngularJS
6 31 (75.61%) TypeScript
7 26 (63.41%) Agile Software Development
8 23 (56.10%) User Experience
8 23 (56.10%) Jest
9 21 (51.22%) Continuous Improvement
10 20 (48.78%) Mocha
10 20 (48.78%) Java
10 20 (48.78%) Full Stack Development
11 19 (46.34%) Greenfield Project
11 19 (46.34%) MongoDB
11 19 (46.34%) Microservices
12 18 (43.90%) Express
12 18 (43.90%) RabbitMQ
12 18 (43.90%) Kafka
12 18 (43.90%) AMQP
12 18 (43.90%) Mongoose
12 18 (43.90%) MEAN Stack
12 18 (43.90%) NestJS
13 15 (36.59%) Docker
13 15 (36.59%) SDLC
13 15 (36.59%) Software Engineering
14 14 (34.15%) Web 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 11 (26.83%) nginx
2 4 (9.76%) CMS
3 3 (7.32%) Headless CMS
4 1 (2.44%) Apache
4 1 (2.44%) Confluence
4 1 (2.44%) IIS
4 1 (2.44%) WordPress
Applications
1 1 (2.44%) Adobe Illustrator
1 1 (2.44%) Adobe XD
1 1 (2.44%) Figma
1 1 (2.44%) InVision
1 1 (2.44%) Photoshop
1 1 (2.44%) Sketch
1 1 (2.44%) Zeplin
Cloud Services
1 38 (92.68%) npm
2 14 (34.15%) AWS
3 12 (29.27%) AWS Lambda
3 12 (29.27%) GCP
3 12 (29.27%) Serverless
4 4 (9.76%) SaaS
5 2 (4.88%) Amazon S3
5 2 (4.88%) AWS CodeBuild
5 2 (4.88%) AWS CodePipeline
5 2 (4.88%) Azure
6 1 (2.44%) Amazon EKS
6 1 (2.44%) Azure Cosmos DB
6 1 (2.44%) OpenShift
Communications & Networking
1 18 (43.90%) AMQP
2 1 (2.44%) HTTP
Database & Business Intelligence
1 19 (46.34%) MongoDB
2 3 (7.32%) NoSQL
3 2 (4.88%) Amazon DynamoDB
3 2 (4.88%) Blockchain
Development Applications
1 40 (97.56%) webpack
2 20 (48.78%) Mocha
3 13 (31.71%) Cypress.io
4 10 (24.39%) Storybook
5 7 (17.07%) Jasmine
5 7 (17.07%) Karma Test Runner
6 6 (14.63%) Git (software)
6 6 (14.63%) gulp
6 6 (14.63%) Selenium
7 5 (12.20%) Babel
8 3 (7.32%) ESLint
8 3 (7.32%) JIRA
8 3 (7.32%) PostCSS
9 2 (4.88%) JMeter
10 1 (2.44%) Browser DevTools
10 1 (2.44%) Charles Proxy
10 1 (2.44%) Grunt
10 1 (2.44%) Jenkins
10 1 (2.44%) Visual Studio Team System
General
1 14 (34.15%) Social Skills
2 9 (21.95%) Banking
3 8 (19.51%) Finance
4 7 (17.07%) Front Office
4 7 (17.07%) Investment Banking
5 3 (7.32%) Documentation Skills
6 2 (4.88%) Analytical Skills
7 1 (2.44%) Financial Institution
7 1 (2.44%) Publishing
Job Titles
1 33 (80.49%) Developer
2 15 (36.59%) Front End Developer (Client-Side Developer)
3 11 (26.83%) React Developer
4 10 (24.39%) Senior Developer
5 9 (21.95%) Full Stack Developer
6 7 (17.07%) Angular Developer
6 7 (17.07%) Web Developer
7 6 (14.63%) Front Office Developer
7 6 (14.63%) HTML Developer
7 6 (14.63%) JavaScript Developer
8 5 (12.20%) UI Developer
9 4 (9.76%) Senior UI Developer
9 4 (9.76%) Senior UI/UX Developer
9 4 (9.76%) Senior UX Developer
9 4 (9.76%) Senior Web Developer
9 4 (9.76%) UI/UX Developer
9 4 (9.76%) UX Developer
10 3 (7.32%) CMS Developer
11 2 (4.88%) Senior Front-End Developer
11 2 (4.88%) Software Engineer
Libraries, Frameworks & Software Standards
1 41 (100.00%) React
2 39 (95.12%) CSS
2 39 (95.12%) HTML
3 35 (85.37%) Node.js
4 31 (75.61%) AngularJS
5 23 (56.10%) Jest
6 18 (43.90%) Express
6 18 (43.90%) Kafka
6 18 (43.90%) MEAN Stack
6 18 (43.90%) Mongoose
6 18 (43.90%) NestJS
6 18 (43.90%) RabbitMQ
7 14 (34.15%) GraphQL
8 13 (31.71%) HTML5
9 11 (26.83%) OAuth
9 11 (26.83%) OAuth2
9 11 (26.83%) RESTful
10 10 (24.39%) gRPC
10 10 (24.39%) Swagger
11 9 (21.95%) .NET
Miscellaneous
1 23 (56.10%) User Experience
2 19 (46.34%) Greenfield Project
3 6 (14.63%) Equities
4 5 (12.20%) Self-Motivation
5 4 (9.76%) Cloud Native
6 3 (7.32%) Data Structures
7 2 (4.88%) Linux Command Line
8 1 (2.44%) iPad
Operating Systems
1 2 (4.88%) Windows
2 1 (2.44%) Linux
2 1 (2.44%) Unix
Processes & Methodologies
1 26 (63.41%) Agile Software Development
2 21 (51.22%) Continuous Improvement
3 20 (48.78%) Full Stack Development
4 19 (46.34%) Microservices
5 15 (36.59%) SDLC
5 15 (36.59%) Software Engineering
6 14 (34.15%) Web Development
7 13 (31.71%) Front End Development
7 13 (31.71%) Problem-Solving
7 13 (31.71%) Product Strategy
8 11 (26.83%) Artificial Intelligence
8 11 (26.83%) DevOps
9 10 (24.39%) Software Delivery
10 9 (21.95%) Domain Models
10 9 (21.95%) Mobile First
10 9 (21.95%) Responsive Web Design
11 8 (19.51%) Natural Language Processing
11 8 (19.51%) Neural Network
11 8 (19.51%) OCR
11 8 (19.51%) Pattern Recognition
Programming Languages
1 39 (95.12%) JavaScript
2 31 (75.61%) TypeScript
3 20 (48.78%) Java
4 12 (29.27%) ES6
5 8 (19.51%) C#
6 4 (9.76%) Python
7 2 (4.88%) Go
7 2 (4.88%) Scala
7 2 (4.88%) SQL
Qualifications
1 1 (2.44%) Degree
Quality Assurance & Compliance
1 6 (14.63%) Accessibility
System Software
1 15 (36.59%) Docker
Systems Management
1 13 (31.71%) Kubernetes
2 2 (4.88%) Rancher
3 1 (2.44%) Hadoop YARN
Vendors
1 1 (2.44%) AppDynamics
1 1 (2.44%) Microsoft
1 1 (2.44%) Splunk