Period
to 21 February 2019

The following table provides summary statistics for permanent job vacancies advertised in London with a requirement for Sinon.JS skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Sinon.JS over the 6 months to 21 February 2019 with a comparison to the same period in the previous 2 years.

Sinon.JS
England > London
6 months to
21 Feb 2019
Same period 2018 Same period 2017
Rank 755 743 811
Rank change year-on-year -12 +68 +74
Permanent jobs citing Sinon.JS 32 76 26
As % of all permanent IT jobs advertised in London 0.051% 0.11% 0.037%
As % of the Development Applications category 0.26% 0.54% 0.19%
Number of salaries quoted 11 32 25
London median annual salary £37,500 £60,000 £50,000
Median salary % change year-on-year -37.50% +20.00% -23.08%
10th Percentile £27,500 £45,000 £31,250
90th Percentile £92,500 £83,750 £73,500
England median annual salary £36,250 £57,500 £47,500
% change year-on-year -36.96% +21.05% -26.92%

Sinon.JS is in the Development Applications category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in London with a requirement for development application skills.

All Development Application Skills
London
Permanent vacancies with a requirement for development application skills 12,143 14,145 13,484
As % of all permanent IT jobs advertised in London 19.37% 20.13% 19.25%
Number of salaries quoted 9,556 11,602 11,647
London median annual salary £62,500 £60,000 £57,500
Median salary % change year-on-year +4.17% +4.35% +4.55%
10th Percentile £38,750 £37,500 £35,000
90th Percentile £90,000 £85,000 £82,500
England median annual salary £52,500 £50,000 £47,500
% change year-on-year +5.00% +5.26% +0.53%

Sinon.JS
Job Vacancy Trend in London

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

Job vacancy trend for Sinon.JS in London

Sinon.JS
Salary Trend in London

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing Sinon.JS in London.

Salary trend for Sinon.JS in London

Sinon.JS
Salary Histogram in London

The salary distribution of IT jobs citing Sinon.JS in London over the 6 months to 21 February 2019.

Salary histogram for Sinon.JS in London

Sinon.JS
Job Locations in London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Sinon.JS within the London region over the 6 months to 21 February 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
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
West London +15 2 £52,500 -27.59% 11
Sinon.JS
England

For the 6 months to 21 February 2019, IT jobs citing Sinon.JS also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all permanent job ads across the London region with a requirement for Sinon.JS.

1 32 (100.00%) Mocha
1 32 (100.00%) Chai
2 30 (93.75%) JavaScript
2 30 (93.75%) Agile Software Development
3 28 (87.50%) TDD
3 28 (87.50%) BDD
4 26 (81.25%) AngularJS
4 26 (81.25%) Git (software)
5 25 (78.13%) CSS
5 25 (78.13%) Amazon AWS
6 23 (71.88%) Sass
6 23 (71.88%) HTML
7 22 (68.75%) RESTful
7 22 (68.75%) jQuery
7 22 (68.75%) Web Application Development
7 22 (68.75%) Microservices
8 21 (65.63%) Protractor
8 21 (65.63%) Karma Test Runner
8 21 (65.63%) React
8 21 (65.63%) LESS
8 21 (65.63%) HTML5
8 21 (65.63%) CSS3
8 21 (65.63%) Selenium
8 21 (65.63%) Software Engineering
8 21 (65.63%) .NET
9 20 (62.50%) SQL
9 20 (62.50%) Visual Studio
9 20 (62.50%) ASP.NET
9 20 (62.50%) CMS
9 20 (62.50%) Degree

Sinon.JS
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 20 (62.50%) CMS
1 20 (62.50%) EPiServer
2 10 (31.25%) Sitecore CMS
3 3 (9.38%) Elasticsearch
Business Applications
1 10 (31.25%) Eloqua
Cloud Services
1 25 (78.13%) Amazon AWS
2 20 (62.50%) Microsoft Azure
2 20 (62.50%) npm
3 4 (12.50%) Serverless
4 2 (6.25%) AWS Lambda
4 2 (6.25%) GitHub
4 2 (6.25%) Heroku
5 1 (3.13%) Amazon SQS
5 1 (3.13%) OpenShift
Database & Business Intelligence
1 20 (62.50%) MongoDB
1 20 (62.50%) NoSQL
2 10 (31.25%) Couchbase
2 10 (31.25%) CouchDB
2 10 (31.25%) SQL Server
3 5 (15.63%) PostgreSQL
4 3 (9.38%) Redis
5 2 (6.25%) Amazon DynamoDB
6 1 (3.13%) Amazon RDS
6 1 (3.13%) Hazelcast
6 1 (3.13%) Relational Database
Development Applications
1 32 (100.00%) Mocha
2 26 (81.25%) Git (software)
3 21 (65.63%) Karma Test Runner
3 21 (65.63%) Protractor
3 21 (65.63%) Selenium
4 20 (62.50%) Bower
4 20 (62.50%) gulp
4 20 (62.50%) Octopus Deploy
4 20 (62.50%) Team Foundation Server
4 20 (62.50%) TeamCity
4 20 (62.50%) Visual Studio
5 10 (31.25%) webpack
6 6 (18.75%) Jasmine
7 3 (9.38%) Jenkins
8 2 (6.25%) JSUnit
8 2 (6.25%) PostCSS
8 2 (6.25%) RSpec
9 1 (3.13%) Cucumber
9 1 (3.13%) JUnit
9 1 (3.13%) Maven
General
1 10 (31.25%) Advertising
1 10 (31.25%) Marketing
2 1 (3.13%) Automotive
Job Titles
1 29 (90.63%) Developer
2 13 (40.63%) Full Stack Developer
3 11 (34.38%) React Developer
4 10 (31.25%) .NET Developer
4 10 (31.25%) ASP.NET Developer
4 10 (31.25%) C# Developer
5 5 (15.63%) Digital Developer
6 4 (12.50%) JavaScript Developer
6 4 (12.50%) Junior
7 3 (9.38%) Front End Developer (Client-Side Developer)
8 2 (6.25%) JavaScript Engineer
8 2 (6.25%) Junior Developer
8 2 (6.25%) Senior Developer
9 1 (3.13%) Java Developer
9 1 (3.13%) Junior Front End Developer (Client-Side Developer)
9 1 (3.13%) Node.js Developer
9 1 (3.13%) Python Developer
9 1 (3.13%) Senior Java Developer
9 1 (3.13%) Senior Software Developer
9 1 (3.13%) Software Developer
Libraries, Frameworks & Software Standards
1 32 (100.00%) Chai
2 26 (81.25%) AngularJS
3 25 (78.13%) CSS
4 23 (71.88%) HTML
4 23 (71.88%) Sass
5 22 (68.75%) jQuery
5 22 (68.75%) RESTful
6 21 (65.63%) .NET
6 21 (65.63%) CSS3
6 21 (65.63%) HTML5
6 21 (65.63%) LESS
6 21 (65.63%) React
7 20 (62.50%) ASP.NET
7 20 (62.50%) Backbone.js
7 20 (62.50%) Ember.js
7 20 (62.50%) Gherkin
7 20 (62.50%) MEAN Stack
7 20 (62.50%) Twitter Bootstrap
8 11 (34.38%) Node.js
9 10 (31.25%) ASP.NET Core
Miscellaneous
1 16 (50.00%) User Experience
2 10 (31.25%) Cloud Native
3 1 (3.13%) Self-Motivation
Operating Systems
1 1 (3.13%) Linux
Processes & Methodologies
1 30 (93.75%) Agile Software Development
2 28 (87.50%) BDD
2 28 (87.50%) TDD
3 22 (68.75%) Microservices
3 22 (68.75%) Web Application Development
4 21 (65.63%) Software Engineering
5 20 (62.50%) Analytics
5 20 (62.50%) Continuous Improvement
5 20 (62.50%) Data Science
5 20 (62.50%) DevOps
5 20 (62.50%) Performance Management
5 20 (62.50%) Problem-Solving
5 20 (62.50%) Progressive Web App
5 20 (62.50%) Refactoring
5 20 (62.50%) Responsive Web Design
6 11 (34.38%) MVC
7 10 (31.25%) Content Management
7 10 (31.25%) Quality Management
7 10 (31.25%) SEO
7 10 (31.25%) Workflow
Programming Languages
1 30 (93.75%) JavaScript
2 20 (62.50%) SQL
3 10 (31.25%) C#
3 10 (31.25%) ES6
4 3 (9.38%) PHP
4 3 (9.38%) Python
5 2 (6.25%) Clojure
5 2 (6.25%) Go
5 2 (6.25%) Java
5 2 (6.25%) Ruby
6 1 (3.13%) AspectJ
6 1 (3.13%) Java 8
6 1 (3.13%) TypeScript
Qualifications
1 20 (62.50%) Degree
2 10 (31.25%) SAFe Agilist
Quality Assurance & Compliance
1 4 (12.50%) QA
System Software
1 3 (9.38%) Docker
Systems Management
1 2 (6.25%) Terraform
2 1 (3.13%) Kubernetes
Vendors
1 10 (31.25%) Alias
1 10 (31.25%) Marketo
1 10 (31.25%) Sitecore
2 1 (3.13%) Cypress Semiconductor
2 1 (3.13%) Oracle
2 1 (3.13%) Zend