Period
to 18 December 2017

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 18 December 2017 with a comparison to the same period in the previous 2 years.

Sinon.JS
England > London
6 months to
18 Dec 2017
Same period 2016 Same period 2015
Rank 773 811 889
Rank change year-on-year +38 +78 +22
Permanent jobs citing Sinon.JS 68 29 20
As % of all permanent IT jobs advertised in London 0.092% 0.039% 0.023%
As % of the Development Applications category 0.46% 0.20% 0.13%
Number of salaries quoted 41 26 11
London median annual salary £65,000 £52,500 £65,000
Median salary % change year-on-year +23.81% -19.23% +13.04%
10th Percentile £42,500 £31,250 £48,750
90th Percentile £85,000 £75,000 £73,750
England median annual salary £60,000 £47,500 £65,000
% change year-on-year +26.32% -26.92% +13.04%

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 14782 14436 15781
As % of all permanent IT jobs advertised in London 20.02% 19.60% 18.02%
Number of salaries quoted 11939 12594 13470
London median annual salary £60,000 £57,500 £55,000
Median salary % change year-on-year +4.35% +4.55% +4.76%
10th Percentile £37,500 £35,500 £35,500
90th Percentile £85,000 £82,500 £77,500
England median annual salary £50,000 £47,500 £45,000
% change year-on-year +5.26% +5.56% -

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 18 December 2017.

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 18 December 2017. 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
Central London +15 26 £72,500 +141.67% 1
West London +17 2 £72,500 +52.63%
Sinon.JS
England

For the 6 months to 18 December 2017, IT jobs citing Sinon.JS also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the London region with a requirement for Sinon.JS.

1 68 (100.00%) JavaScript
2 59 (86.76%) CSS
3 57 (83.82%) Mocha
4 53 (77.94%) HTML
4 53 (77.94%) Agile Software Development
5 52 (76.47%) AngularJS
6 51 (75.00%) Chai
6 51 (75.00%) TDD
7 38 (55.88%) HTML5
8 36 (52.94%) MVC
8 36 (52.94%) CSS3
9 35 (51.47%) Selenium
10 34 (50.00%) gulp
11 33 (48.53%) Backbone.js
11 33 (48.53%) Karma Test Runner
12 32 (47.06%) Node.js
13 30 (44.12%) Degree
13 30 (44.12%) Git (software)
14 28 (41.18%) Microservices
15 27 (39.71%) User Experience
15 27 (39.71%) Protractor
15 27 (39.71%) Amazon AWS
16 26 (38.24%) BDD
17 25 (36.76%) Gherkin
18 24 (35.29%) Responsive Web Design
18 24 (35.29%) webpack
19 23 (33.82%) Sass
19 23 (33.82%) OO
20 21 (30.88%) LESS
20 21 (30.88%) Docker

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 18 (26.47%) CMS
1 18 (26.47%) EPiServer
2 10 (14.71%) Sitecore CMS
3 6 (8.82%) Elasticsearch
Business Applications
1 10 (14.71%) Eloqua
Cloud Services
1 27 (39.71%) Amazon AWS
2 18 (26.47%) Microsoft Azure
2 18 (26.47%) npm
3 6 (8.82%) Amazon EC2
3 6 (8.82%) Amazon ElastiCache
3 6 (8.82%) Amazon S3
3 6 (8.82%) Amazon SQS
3 6 (8.82%) AWS Lambda
3 6 (8.82%) Serverless
4 2 (2.94%) OpenShift
5 1 (1.47%) Cloud Computing
5 1 (1.47%) GitHub
Communications & Networking
1 11 (16.18%) HTTP
Database & Business Intelligence
1 20 (29.41%) NoSQL
2 18 (26.47%) SQL Server
3 17 (25.00%) Couchbase
4 9 (13.24%) MongoDB
5 6 (8.82%) Amazon DynamoDB
5 6 (8.82%) Amazon RDS
6 3 (4.41%) Redis
7 1 (1.47%) PostgreSQL
Development Applications
1 57 (83.82%) Mocha
2 35 (51.47%) Selenium
3 34 (50.00%) gulp
4 33 (48.53%) Karma Test Runner
5 30 (44.12%) Git (software)
6 27 (39.71%) Protractor
7 24 (35.29%) webpack
8 18 (26.47%) Bower
8 18 (26.47%) Jasmine
8 18 (26.47%) Octopus Deploy
8 18 (26.47%) Team Foundation Server
8 18 (26.47%) TeamCity
8 18 (26.47%) Visual Studio
9 9 (13.24%) Cucumber
10 7 (10.29%) Babel
11 6 (8.82%) Calabash
11 6 (8.82%) Grunt
11 6 (8.82%) JUnit
12 4 (5.88%) JSUnit
13 3 (4.41%) Jenkins
General
1 19 (27.94%) Marketing
2 11 (16.18%) Advertising
3 7 (10.29%) Games
4 4 (5.88%) Retail
5 3 (4.41%) Finance
6 1 (1.47%) Banking
6 1 (1.47%) Front Office
6 1 (1.47%) Investment Banking
6 1 (1.47%) Pharmaceutical
6 1 (1.47%) Telecoms
Job Titles
1 50 (73.53%) Developer
2 23 (33.82%) Front End Developer (Client-Side Developer)
3 20 (29.41%) JavaScript Developer
4 17 (25.00%) Senior Developer
5 15 (22.06%) Senior Front-End Developer
6 10 (14.71%) Angular Developer
7 9 (13.24%) C# Developer
7 9 (13.24%) Full Stack Developer
8 8 (11.76%) Digital Developer
8 8 (11.76%) JavaScript Engineer
9 6 (8.82%) Lead Developer
9 6 (8.82%) Senior JavaScript Developer
10 5 (7.35%) .NET Developer
10 5 (7.35%) HTML Developer
10 5 (7.35%) Lead .NET Developer
11 4 (5.88%) Agile Developer
11 4 (5.88%) HTML CSS Developer
11 4 (5.88%) Node.js Developer
12 3 (4.41%) Senior Web Engineer
12 3 (4.41%) Web Engineer
Libraries, Frameworks & Software Standards
1 59 (86.76%) CSS
2 53 (77.94%) HTML
3 52 (76.47%) AngularJS
4 51 (75.00%) Chai
5 38 (55.88%) HTML5
6 36 (52.94%) CSS3
7 33 (48.53%) Backbone.js
8 32 (47.06%) Node.js
9 25 (36.76%) Gherkin
10 23 (33.82%) Sass
11 21 (30.88%) LESS
12 20 (29.41%) Twitter Bootstrap
13 18 (26.47%) .NET
13 18 (26.47%) Ember.js
13 18 (26.47%) jQuery
13 18 (26.47%) MEAN Stack
14 17 (25.00%) React
14 17 (25.00%) RESTful
15 13 (19.12%) Web Services
16 12 (17.65%) Redux
Miscellaneous
1 27 (39.71%) User Experience
2 18 (26.47%) Cloud Native
3 11 (16.18%) Tandem
4 10 (14.71%) Fintech
4 10 (14.71%) Virtual Team
5 6 (8.82%) BBC
5 6 (8.82%) Computer Science
5 6 (8.82%) STB
6 5 (7.35%) Algorithms
6 5 (7.35%) Data Structures
6 5 (7.35%) Online Gambling
7 2 (2.94%) Greenfield Project
7 2 (2.94%) Online Games
8 1 (1.47%) Foreign Exchange (FX)
Operating Systems
1 13 (19.12%) Linux
2 12 (17.65%) Windows
3 5 (7.35%) Unix
4 2 (2.94%) Android
5 1 (1.47%) Apple iOS
Processes & Methodologies
1 53 (77.94%) Agile Software Development
2 51 (75.00%) TDD
3 36 (52.94%) MVC
4 28 (41.18%) Microservices
5 26 (38.24%) BDD
6 24 (35.29%) Responsive Web Design
7 23 (33.82%) OO
8 20 (29.41%) DevOps
8 20 (29.41%) Front End Development
8 20 (29.41%) SOLID
8 20 (29.41%) Unit Testing
9 18 (26.47%) Application Performance Management
9 18 (26.47%) Performance Management
9 18 (26.47%) Progressive Web App
9 18 (26.47%) Refactoring
9 18 (26.47%) Web Application Development
10 17 (25.00%) Analytics
11 16 (23.53%) Continuous Improvement
11 16 (23.53%) Software Engineering
12 13 (19.12%) Continuous Integration
Programming Languages
1 68 (100.00%) JavaScript
2 19 (27.94%) SQL
3 15 (22.06%) PHP
4 12 (17.65%) Java
5 11 (16.18%) ES6
6 10 (14.71%) TypeScript
7 9 (13.24%) C#
8 6 (8.82%) Clojure
8 6 (8.82%) Go
9 2 (2.94%) Apple Swift
9 2 (2.94%) C
9 2 (2.94%) ECMAScript
9 2 (2.94%) Objective-C
10 1 (1.47%) Elixir
10 1 (1.47%) Python
10 1 (1.47%) Ruby
Qualifications
1 30 (44.12%) Degree
2 1 (1.47%) Computer Science Degree
Quality Assurance & Compliance
1 1 (1.47%) QA
System Software
1 21 (30.88%) Docker
2 4 (5.88%) Apache ZooKeeper
Systems Management
1 2 (2.94%) Kubernetes
2 1 (1.47%) Mesos
Vendors
1 10 (14.71%) Marketo
1 10 (14.71%) Sitecore
2 6 (8.82%) Arqiva
2 6 (8.82%) BT
3 2 (2.94%) Facebook
3 2 (2.94%) Google