The following table provides summary statistics for permanent job vacancies advertised in the City of London with a requirement for JavaScript skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited JavaScript over the 3 months to 29 March 2017 with a comparison to the same period in the previous 2 years.

JavaScript (including ECMAScript)
London / City of London
3 months to
29 Mar 2017
Same period 2016 Same period 2015
Rank 8 10 16
Rank change year-on-year +2 +6  
Permanent jobs citing JavaScript 831 922 1055
As % of all permanent IT jobs advertised in the City of London 16.15% 12.84% 10.15%
As % of the Programming Languages category 28.52% 23.10% 20.38%
Number of salaries quoted 765 862 931
Median salary £60,000 £55,000 £50,000
Median salary % change year-on-year +9.09% +10.00%  
90% offered a salary of more than £40,000 £35,000 £35,000
10% offered a salary of more than £85,000 £77,500 £71,500
UK excluding London median salary £40,000 £40,000 £38,500
% change year-on-year - +3.89%  

JavaScript is in the programming language skills category. The next table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in the City of London with a requirement for programming language skills.

Programming Language Skills
City of London
Permanent job vacancies with a requirement for programming language skills 2914 3992 5177
As % of all permanent IT job vacancies advertised in the City of London 56.64% 55.60% 49.83%
Number of salaries quoted 2657 3565 4557
Median salary £62,500 £57,500 £55,000
Median salary % change year-on-year +8.69% +4.54%  
90% offered a salary of more than £40,000 £40,000 £37,500
10% offered a salary of more than £90,000 £77,500 £82,500
UK excluding London median salary £41,000 £41,000 £40,000
% change year-on-year - +2.50%  

JavaScript
Job Vacancy Trend in the City of London

The job posting trend of jobs advertised in the City of London citing JavaScript as a proportion of all permanent or contract IT jobs with a match in the Programming Languages category.

Job vacancy trend for JavaScript in the City of London

JavaScript
Salary Trend in the City of London

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing JavaScript in the City of London.

Salary trend for JavaScript in the City of London

JavaScript
Salary Histogram in the City of London

The salary distribution of IT jobs citing JavaScript in the City of London over the 3 months to 29 March 2017.

Salary histogram for JavaScript in the City of London

For the 6 months to 29 March 2017, IT jobs citing JavaScript 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 City of London region with a requirement for JavaScript.

1 948 (58.16%) HTML
2 859 (52.70%) CSS
3 785 (48.16%) Agile Software Development
4 588 (36.07%) C#
5 579 (35.52%) AngularJS
6 557 (34.17%) .NET
7 535 (32.82%) Finance
8 509 (31.23%) Java
9 480 (29.45%) SQL
10 434 (26.63%) HTML5
11 421 (25.83%) SQL Server
12 418 (25.64%) jQuery
13 392 (24.05%) MVC
14 350 (21.47%) ASP.NET
15 343 (21.04%) TDD
16 333 (20.43%) Web Development
17 304 (18.65%) Front End Development
18 292 (17.91%) CSS3
19 285 (17.48%) Node.js
19 285 (17.48%) Scrum
20 275 (16.87%) React
21 255 (15.64%) OO
22 254 (15.58%) User Experience
23 248 (15.21%) Web Services
24 230 (14.11%) ASP.NET MVC
25 220 (13.50%) Degree
26 218 (13.37%) XML
27 206 (12.64%) Linux
28 203 (12.45%) Python
28 203 (12.45%) Microsoft

JavaScript
Co-occurring IT Skills in the City of 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
1 124 (7.61%) CMS
2 76 (4.66%) EPiServer
3 46 (2.82%) Elasticsearch
4 42 (2.58%) Apache
5 35 (2.15%) IIS
6 33 (2.02%) SharePoint
7 32 (1.96%) Apache Spark
8 25 (1.53%) JBoss
9 24 (1.47%) Apache Solr
9 24 (1.47%) Tomcat
10 23 (1.41%) nginx
10 23 (1.41%) WebSphere
11 22 (1.35%) Jetty
11 22 (1.35%) WordPress
12 21 (1.29%) Confluence
13 20 (1.23%) Drupal
13 20 (1.23%) SharePoint 2013
14 14 (0.86%) Umbraco
15 12 (0.74%) Adobe Experience Manager
16 11 (0.67%) WebLogic
Applications
1 69 (4.23%) MS Excel
2 43 (2.64%) Photoshop
3 7 (0.43%) InVision
4 5 (0.31%) Adobe Illustrator
4 5 (0.31%) MS Office
5 4 (0.25%) Pixate
6 3 (0.18%) MS Project
7 1 (0.061%) Adobe Creative Suite
7 1 (0.061%) GIMP
7 1 (0.061%) MS PowerPoint
7 1 (0.061%) XMetaL
Business Applications
1 20 (1.23%) Magento
2 8 (0.49%) Dynamics CRM
3 6 (0.37%) Siebel Analytics
4 4 (0.25%) NetSuite
4 4 (0.25%) RMDS
5 3 (0.18%) OpenText MBPM
5 3 (0.18%) StreamServe
6 2 (0.12%) Adobe Campaign
6 2 (0.12%) Payment Gateway
7 1 (0.061%) BusinessWorks
7 1 (0.061%) Cognos Business Intelligence
7 1 (0.061%) Eagle PACE
7 1 (0.061%) Oracle BPM
7 1 (0.061%) SAP HR
7 1 (0.061%) SAP Oil and Gas
Cloud Services
1 135 (8.28%) Amazon AWS
2 75 (4.60%) Microsoft Azure
3 54 (3.31%) SaaS
4 46 (2.82%) GitHub
5 22 (1.35%) Cloud Computing
6 20 (1.23%) Amazon EC2
7 16 (0.98%) AWS OpsWorks
7 16 (0.98%) Force.com
8 11 (0.67%) Office 365
9 9 (0.55%) IaaS
9 9 (0.55%) PaaS
10 7 (0.43%) Google Analytics
10 7 (0.43%) Google Cloud Platform
10 7 (0.43%) Virtual Private Cloud
11 5 (0.31%) Adobe Creative Cloud
11 5 (0.31%) Google Compute Engine
12 4 (0.25%) AWS CloudFormation
13 3 (0.18%) Adobe Analytics
13 3 (0.18%) AWS Lambda
13 3 (0.18%) Slack
Communications & Networking
1 106 (6.50%) Internet
2 89 (5.46%) Intranet
3 44 (2.70%) HTTP
4 11 (0.67%) Extranet
5 8 (0.49%) LDAP
6 4 (0.25%) SSL
7 3 (0.18%) DNS
7 3 (0.18%) Firewall
7 3 (0.18%) HTTPS
7 3 (0.18%) Kerberos
8 2 (0.12%) DVB
8 2 (0.12%) SSH
8 2 (0.12%) TCP/IP
8 2 (0.12%) Wireshark
9 1 (0.061%) BIG-IP
9 1 (0.061%) FCoE
9 1 (0.061%) Fibre Channel
9 1 (0.061%) NAS
9 1 (0.061%) NetScaler
9 1 (0.061%) VPN
Database & Business Intelligence
1 421 (25.83%) SQL Server
2 177 (10.86%) MySQL
3 122 (7.48%) NoSQL
4 116 (7.12%) SQL Server Integration Services
5 89 (5.46%) MongoDB
6 77 (4.72%) SQL Server 2014
7 67 (4.11%) PostgreSQL
8 65 (3.99%) Relational Database
9 52 (3.19%) Big Data
10 50 (3.07%) SQL Server 2012
11 48 (2.94%) Redis
11 48 (2.94%) SQL Server Reporting Services
12 37 (2.27%) Apache Cassandra
13 29 (1.78%) Hadoop
14 28 (1.72%) Data Warehouse
15 27 (1.66%) SQL Server 2008
16 25 (1.53%) Blockchain
16 25 (1.53%) Couchbase
17 24 (1.47%) SQL Server 2016
18 21 (1.29%) SQL Server Analysis Services
Development Applications
1 158 (9.69%) Git (software)
2 154 (9.45%) Visual Studio
3 126 (7.73%) Team Foundation Server
4 86 (5.28%) Jenkins
5 69 (4.23%) Selenium
6 56 (3.44%) JUnit
7 54 (3.31%) Maven
8 53 (3.25%) Jasmine
9 52 (3.19%) JIRA
10 44 (2.70%) Grunt
11 36 (2.21%) Subversion
11 36 (2.21%) TeamCity
12 35 (2.15%) Cucumber
12 35 (2.15%) gulp
12 35 (2.15%) Protractor
13 32 (1.96%) WebDriver
14 28 (1.72%) NUnit
15 24 (1.47%) MSTest
16 20 (1.23%) Octopus Deploy
17 18 (1.10%) Gatling
General
1 535 (32.82%) Finance
2 194 (11.90%) Banking
3 62 (3.80%) Marketing
3 62 (3.80%) Retail
4 47 (2.88%) Advertising
5 42 (2.58%) Front Office
6 38 (2.33%) Back Office
7 35 (2.15%) Legal
8 30 (1.84%) Investment Banking
9 25 (1.53%) Games
9 25 (1.53%) Publishing
10 19 (1.17%) Financial Institution
11 17 (1.04%) Telecoms
12 10 (0.61%) Manufacturing
13 9 (0.55%) Law
14 3 (0.18%) Automotive
14 3 (0.18%) Multimedia
14 3 (0.18%) Music Industry
15 2 (0.12%) Aerospace
15 2 (0.12%) Pharmaceutical
Job Titles
1 1218 (74.72%) Developer
2 331 (20.31%) .NET Developer
3 295 (18.10%) C# Developer
4 275 (16.87%) Senior Developer
5 239 (14.66%) C# .NET Developer
6 221 (13.56%) Java Developer
7 218 (13.37%) JavaScript Developer
8 216 (13.25%) Front End Developer (Client-Side Developer)
9 112 (6.87%) Web Developer
10 109 (6.69%) Senior .NET Developer
11 107 (6.56%) Full Stack Developer
12 99 (6.07%) ASP.NET Developer
13 95 (5.83%) Senior C# Developer
13 95 (5.83%) Senior Java Developer
14 91 (5.58%) Angular Developer
15 89 (5.46%) C# ASP.NET Developer
16 87 (5.34%) Senior C# .NET Developer
17 85 (5.21%) SQL Developer
18 79 (4.85%) HTML Developer
19 74 (4.54%) Junior
Libraries, Frameworks & Software Standards
1 948 (58.16%) HTML
2 859 (52.70%) CSS
3 579 (35.52%) AngularJS
4 557 (34.17%) .NET
5 434 (26.63%) HTML5
6 418 (25.64%) jQuery
7 350 (21.47%) ASP.NET
8 292 (17.91%) CSS3
9 285 (17.48%) Node.js
10 275 (16.87%) React
11 248 (15.21%) Web Services
12 230 (14.11%) ASP.NET MVC
13 218 (13.37%) XML
14 163 (10.00%) .NET Framework
15 156 (9.57%) Twitter Bootstrap
16 148 (9.08%) ASP.NET Web API
17 132 (8.10%) Sass
18 131 (8.04%) Entity Framework
19 123 (7.55%) REST
20 113 (6.93%) ASP.NET Web Forms
Miscellaneous
1 254 (15.58%) User Experience
2 185 (11.35%) Computer Science
3 141 (8.65%) Fintech
4 104 (6.38%) Analytical Skills
5 79 (4.85%) Mobile App
6 36 (2.21%) Client/Server
7 28 (1.72%) Enterprise Software
8 27 (1.66%) SWIFT
9 26 (1.60%) N-Tier
10 25 (1.53%) Algorithms
11 18 (1.10%) Data Structures
12 17 (1.04%) Foreign Exchange (FX)
12 17 (1.04%) Hedge funds
13 16 (0.98%) Derivative
14 15 (0.92%) Xbox
15 14 (0.86%) Clustering
15 14 (0.86%) Social Media
16 12 (0.74%) Digital Media
16 12 (0.74%) Fixed Income
16 12 (0.74%) Kindle
Operating Systems
1 206 (12.64%) Linux
2 95 (5.83%) Windows
3 63 (3.87%) Unix
4 55 (3.37%) Android
5 41 (2.52%) Apple iOS
6 12 (0.74%) Windows Server
7 9 (0.55%) Red Hat Enterprise Linux
7 9 (0.55%) Windows Phone
8 7 (0.43%) Solaris
8 7 (0.43%) Windows Server 2008
8 7 (0.43%) Windows Server 2012
9 5 (0.31%) CentOS
9 5 (0.31%) Ubuntu
10 2 (0.12%) AIX
10 2 (0.12%) HPUX
10 2 (0.12%) Windows 10
11 1 (0.061%) Debian
11 1 (0.061%) Kali Linux
11 1 (0.061%) Mac OS X
11 1 (0.061%) Windows 7
Processes & Methodologies
1 785 (48.16%) Agile Software Development
2 392 (24.05%) MVC
3 343 (21.04%) TDD
4 333 (20.43%) Web Development
5 304 (18.65%) Front End Development
6 285 (17.48%) Scrum
7 255 (15.64%) OO
8 172 (10.55%) SDLC
9 162 (9.94%) BDD
10 144 (8.83%) Continuous Integration
11 110 (6.75%) Software Engineering
12 103 (6.32%) Content Management
12 103 (6.32%) E-Commerce
13 99 (6.07%) ITIL
13 99 (6.07%) OOP
14 95 (5.83%) Microservices
14 95 (5.83%) OOD
14 95 (5.83%) Unit Testing
15 91 (5.58%) Change Management
16 90 (5.52%) DevOps
Programming Languages
1 588 (36.07%) C#
2 509 (31.23%) Java
3 480 (29.45%) SQL
4 203 (12.45%) Python
5 192 (11.78%) PHP
6 130 (7.98%) T-SQL
7 125 (7.67%) Ruby
8 71 (4.36%) XPath
9 56 (3.44%) Perl
10 53 (3.25%) Scala
11 49 (3.01%) C++
12 47 (2.88%) TypeScript
13 45 (2.76%) ES6
14 33 (2.02%) Bash Shell
15 31 (1.90%) PowerShell
16 30 (1.84%) VBScript
17 26 (1.60%) VB
18 25 (1.53%) VBA
19 23 (1.41%) PHP 5
19 23 (1.41%) VB.NET
Qualifications
1 220 (13.50%) Degree
2 10 (0.61%) Security Cleared
3 7 (0.43%) Microsoft Certification
3 7 (0.43%) PhD
4 4 (0.25%) ISEB
4 4 (0.25%) ISTQB
4 4 (0.25%) OCMJD
4 4 (0.25%) Sun Certification
5 3 (0.18%) MCP
5 3 (0.18%) MCPD
5 3 (0.18%) MCSE
5 3 (0.18%) MCTS
5 3 (0.18%) PMI Certification
5 3 (0.18%) PMP
6 2 (0.12%) CISM
6 2 (0.12%) CISSP
6 2 (0.12%) GIAC
6 2 (0.12%) ISSAP
7 1 (0.061%) Postgraduate
7 1 (0.061%) SC Cleared
Quality Assurance & Compliance
1 162 (9.94%) QA
2 12 (0.74%) ISO 9001
3 8 (0.49%) MiFID
3 8 (0.49%) Sarbanes-Oxley
4 4 (0.25%) EMIR
5 3 (0.18%) Dodd-Frank
5 3 (0.18%) ISO/IEC 27001
5 3 (0.18%) PCI DSS
5 3 (0.18%) SLA
6 2 (0.12%) Data Quality
6 2 (0.12%) PMO
7 1 (0.061%) GCP
7 1 (0.061%) Section 508
7 1 (0.061%) WCAG
System Software
1 62 (3.80%) Docker
2 9 (0.55%) Apache ZooKeeper
3 8 (0.49%) Active Directory
4 6 (0.37%) HDFS
5 4 (0.25%) etcd
6 2 (0.12%) Varnish
6 2 (0.12%) Virtual Machines
7 1 (0.061%) Hyper-V
7 1 (0.061%) NFS
7 1 (0.061%) Oracle RAC
7 1 (0.061%) SRDF
7 1 (0.061%) VirtualBox
7 1 (0.061%) VMware Infrastructure
Systems Management
1 64 (3.93%) Opscode Chef
2 54 (3.31%) Puppet
3 26 (1.60%) Ansible
4 12 (0.74%) Kibana
4 12 (0.74%) logstash
5 10 (0.61%) Kubernetes
6 6 (0.37%) Salt
7 5 (0.31%) Consul
7 5 (0.31%) Marathon
7 5 (0.31%) Mesos
7 5 (0.31%) Piwik
7 5 (0.31%) Terraform
8 4 (0.25%) Control-M
8 4 (0.25%) HP Quality Center
9 3 (0.18%) Grafana
9 3 (0.18%) MOM
9 3 (0.18%) StatsD
10 1 (0.061%) Dokku
10 1 (0.061%) Graphite
10 1 (0.061%) Pingdom
Vendors
1 203 (12.45%) Microsoft
2 80 (4.91%) Oracle
3 36 (2.21%) Adobe
4 33 (2.02%) Twitter
5 31 (1.90%) Salesforce.com
6 27 (1.66%) Siebel
7 25 (1.53%) Xamarin
8 24 (1.47%) Google
8 24 (1.47%) Zend
9 22 (1.35%) hybris
10 18 (1.10%) Red Hat
11 16 (0.98%) Sybase
12 9 (0.55%) Telerik
13 8 (0.49%) Apigee
13 8 (0.49%) Apple
13 8 (0.49%) IBM
13 8 (0.49%) InterSystems
13 8 (0.49%) Sitecore
13 8 (0.49%) Sun
14 7 (0.43%) Redback
City, London
Client Server
Salary: £35k + bonus + benefits
Posted: 2 hours ago
City, London
Talent International
Salary: £35000 - £50000 per annum
Posted: 22 hours ago
City, London
Digital Vision Search Ltd
Salary: From £45,000 to £55,000 per annum + Bonus + Excellent Benefits
Posted: Yesterday
City, London
Client Server
Salary: £45k to £55k + stock options
Posted: Yesterday
City, London
Intelletec
Salary: From £60,000 to £70,000 per annum
Posted: 21 hours ago
City, London
ReThink Recruitment
Salary: £50000.00 - £60000.00 per annum + bonus+benefits
Posted: 17 hours ago
City, London
Tiro Partners
Salary: £50000 - £70000 per annum
Posted: Yesterday
City, London
Harrington Starr
Salary: £60000 - £100000 per annum + Benefits + Bonus
Posted: 15 hours ago
City, London
Premier Media
Posted: Yesterday
City, London
Hanover Recruitment
Salary: £45000.00 - £60000.00 per annum + Bonus and benefits
Posted: 18 hours ago
City, London
Client Server
Salary: £35k to £50k + benefits
Posted: 2 days ago
City, London
Harrington Starr
Salary: £60000 - £75000 per annum + bonus + benefits
Posted: 17 hours ago
City, London
Client Server
Salary: £75k to £90k + bonus + benefits
Posted: Yesterday
City, London
TEKsystems
Salary: £40000 - £50000 per annum + benefits + bonus
Posted: 16 hours ago
City, London
Client Server
Salary: £55k to £70k + benefits
Posted: Yesterday
City, London
JM
Salary: £40000 - £60000 per annum + Benefits and bonus package
Posted: 18 hours ago
City, London
onezeero.
Salary: £45000 - £60000 per annum
Posted: 19 hours ago
City, London
Empiric.com
Salary: From £50,000 to £65,000 per annum + Bonus + Benefits
Posted: 18 hours ago
City, London
Client Server
Salary: £45k to £60k + benefits
Posted: 2 days ago
City, London
Evolution Recruitment Solutions
Salary: Excellent Salary + Benefits
Posted: Yesterday
City, London
Oscar
Salary: £60000 - £80000 per annum
Posted: 2 days ago
City, London
ANSON MCCADE
Salary: Up to £40,000 - £80,000 + Bonus
Posted: Yesterday
City, London
ClearCube Consulting
Salary: From £70,000 to £80,000 per annum + Package
Posted: Yesterday
City, London
Client Server
Salary: £60k to £75k + bonus + benefits
Posted: Yesterday
City, London
Coded People
Salary: £70000 - £75000 per annum
Posted: 2 days ago
City, London
Miller Maxwell Ltd
Salary: From £70,000 to £95,000 per annum Bonus and benefits package
Posted: Yesterday
City, London
Miller Maxwell Ltd
Salary: From £60,000 to £75,000 per annum Bonus and benefits package
Posted: 20 hours ago
City, London
Oscar
Salary: £45000 - £50000 per annum
Posted: 2 days ago
City, London
Client Server
Salary: £90k to £120k + bonus + benefits
Posted: Yesterday
City, London
Arrows Group
Salary: £60000 - £70000 per annum + car, pension, bonus, etc
Posted: Yesterday