Period
to 14 December 2017

The following table provides summary statistics for permanent job vacancies advertised in London with a requirement for JavaScript skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited JavaScript over the 6 months to 14 December 2017 with a comparison to the same period in the previous 2 years.

JavaScript (including ECMAScript)
England > London
6 months to
14 Dec 2017
Same period 2016 Same period 2015
Rank 7 6 9
Rank change year-on-year -1 +3 +2
Permanent jobs citing JavaScript 11728 12160 12806
As % of all permanent IT jobs advertised in London 15.83% 16.37% 14.53%
As % of the Programming Languages category 28.77% 29.91% 27.12%
Number of salaries quoted 10089 10766 11440
London median annual salary £57,500 £55,000 £52,500
Median salary % change year-on-year +4.55% +4.76% +5.00%
10th Percentile £35,000 £33,750 £32,500
90th Percentile £85,000 £82,500 £78,750
England median annual salary £46,000 £45,000 £42,500
% change year-on-year +2.22% +5.88% +6.25%

JavaScript is in the Programming Languages 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 coding skills.

All Programming Languages
London
Permanent vacancies with a requirement for coding skills 40761 40655 47214
As % of all permanent IT jobs advertised in London 55.03% 54.73% 53.57%
Number of salaries quoted 32645 35643 40966
London median annual salary £60,000 £57,500 £55,000
Median salary % change year-on-year +4.35% +4.55% +4.76%
10th Percentile £36,250 £35,000 £33,750
90th Percentile £90,000 £87,500 £85,000
England median annual salary £50,000 £47,500 £45,000
% change year-on-year +5.26% +5.56% -

JavaScript
Job Vacancy Trend in London

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

Job vacancy trend for JavaScript in London

JavaScript
Salary Trend in London

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

Salary trend for JavaScript in London

JavaScript
Salary Histogram in London

The salary distribution of IT jobs citing JavaScript in London over the 6 months to 14 December 2017.

Salary histogram for JavaScript in London

JavaScript
Job Locations in London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing JavaScript within the London region over the 6 months to 14 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 0 2563 £57,500 +4.55% 266
West London -1 511 £52,500 +5.00% 75
South London +9 328 £45,000 - 22
East London +3 124 £52,500 - 28
North London +7 84 £50,000 +11.11% 10
JavaScript
England

For the 6 months to 14 December 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 London region with a requirement for JavaScript.

1 6861 (58.50%) HTML
2 6174 (52.64%) CSS
3 5716 (48.74%) Agile Software Development
4 4411 (37.61%) AngularJS
5 3811 (32.49%) C#
6 3762 (32.08%) .NET
7 3318 (28.29%) Java
8 3188 (27.18%) HTML5
9 2917 (24.87%) MVC
10 2887 (24.62%) SQL
11 2824 (24.08%) TDD
12 2728 (23.26%) Finance
13 2688 (22.92%) React
14 2520 (21.49%) Node.js
15 2477 (21.12%) jQuery
16 2295 (19.57%) Front End Development
17 2194 (18.71%) ASP.NET
18 2150 (18.33%) SQL Server
19 2053 (17.51%) Scrum
20 1984 (16.92%) CSS3
21 1980 (16.88%) Git (software)
22 1885 (16.07%) Web Development
23 1657 (14.13%) OO
24 1563 (13.33%) Software Engineering
25 1546 (13.18%) User Experience
26 1511 (12.88%) Degree
27 1507 (12.85%) PHP
28 1460 (12.45%) ASP.NET MVC
29 1457 (12.42%) Microsoft
30 1444 (12.31%) Web Services

JavaScript
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
1 644 (5.49%) CMS
2 378 (3.22%) Elasticsearch
3 377 (3.21%) SharePoint
4 316 (2.69%) Apache
5 313 (2.67%) WordPress
6 263 (2.24%) IIS
7 229 (1.95%) Tomcat
8 188 (1.60%) Drupal
9 187 (1.59%) Apache Spark
10 159 (1.36%) Umbraco
11 130 (1.11%) WebSphere
12 110 (0.94%) JBoss
13 108 (0.92%) Sitecore CMS
14 105 (0.90%) nginx
15 103 (0.88%) SharePoint 2013
16 95 (0.81%) Confluence
17 91 (0.78%) Apache Solr
18 88 (0.75%) EPiServer
19 79 (0.67%) Ethereum
20 77 (0.66%) BizTalk Server
Applications
1 366 (3.12%) Photoshop
2 197 (1.68%) Adobe Illustrator
3 111 (0.95%) Microsoft Excel
3 111 (0.95%) Microsoft Office
4 91 (0.78%) Adobe Creative Suite
5 48 (0.41%) InVision
6 36 (0.31%) InDesign
7 21 (0.18%) SPSS
8 20 (0.17%) Spreadsheet
9 16 (0.14%) MS Visio
10 14 (0.12%) InfoPath
11 13 (0.11%) GIMP
12 12 (0.10%) Microsoft PowerPoint
13 9 (0.077%) FrameMaker
14 8 (0.068%) Adobe After Effects
15 7 (0.060%) UXPin
16 6 (0.051%) Fireworks
17 5 (0.043%) HipChat
17 5 (0.043%) Maya
18 4 (0.034%) Adobe Premiere
Business Applications
1 255 (2.17%) Dynamics CRM
2 109 (0.93%) Magento
3 59 (0.50%) Payment Gateway
4 30 (0.26%) NetSuite
5 25 (0.21%) Eloqua
6 19 (0.16%) Remedy ITSM
7 17 (0.14%) Adobe Campaign
8 15 (0.13%) SAP Hybris
9 13 (0.11%) Dynamics NAV
9 13 (0.11%) Salesforce.com CRM
10 11 (0.094%) Dynamics AX
11 10 (0.085%) Oracle EBS
12 9 (0.077%) MetaTrader
13 8 (0.068%) Shopify
13 8 (0.068%) Unit4 Business World
13 8 (0.068%) WebTrends
14 7 (0.060%) Workday HCM
15 6 (0.051%) SAP Business One
16 5 (0.043%) R3 Corda
17 4 (0.034%) BusinessWorks
Cloud Services
1 1345 (11.47%) Amazon AWS
2 1010 (8.61%) Microsoft Azure
3 487 (4.15%) SaaS
4 449 (3.83%) GitHub
5 293 (2.50%) npm
6 153 (1.30%) Office 365
7 135 (1.15%) Google Cloud Platform
8 109 (0.93%) PaaS
9 106 (0.90%) Serverless
10 104 (0.89%) Cloud Computing
11 84 (0.72%) Google Analytics
12 77 (0.66%) Amazon S3
13 71 (0.61%) Heroku
14 69 (0.59%) Amazon EC2
15 62 (0.53%) Dynamics 365
16 59 (0.50%) AWS Lambda
17 50 (0.43%) IaaS
18 46 (0.39%) Adobe Analytics
19 43 (0.37%) Slack
20 28 (0.24%) AWS Elastic Beanstalk
Communications & Networking
1 310 (2.64%) Internet
2 285 (2.43%) HTTP
3 99 (0.84%) Intranet
4 90 (0.77%) Firewall
5 72 (0.61%) TCP/IP
6 43 (0.37%) SMS
7 40 (0.34%) DNS
8 36 (0.31%) LDAP
9 31 (0.26%) Wireless
10 27 (0.23%) Skype
11 26 (0.22%) ATM
12 21 (0.18%) SSL
13 20 (0.17%) AMQP
14 19 (0.16%) Broadband
15 18 (0.15%) Network Security
15 18 (0.15%) VPN
16 15 (0.13%) FTP
16 15 (0.13%) SMTP
17 14 (0.12%) DHCP
17 14 (0.12%) HTTPS
Database & Business Intelligence
1 2150 (18.33%) SQL Server
2 1191 (10.16%) MySQL
3 852 (7.26%) NoSQL
4 742 (6.33%) MongoDB
5 469 (4.00%) Relational Database
6 432 (3.68%) PostgreSQL
7 353 (3.01%) Big Data
8 294 (2.51%) Redis
9 261 (2.23%) SQL Server 2014
10 220 (1.88%) Apache Cassandra
11 211 (1.80%) Blockchain
12 209 (1.78%) SQL Server Reporting Services
13 186 (1.59%) Hadoop
14 176 (1.50%) SQL Server Integration Services
15 147 (1.25%) SQL Server 2008
16 128 (1.09%) RDBMS
17 115 (0.98%) Amazon DynamoDB
18 97 (0.83%) SQL Server 2012
19 82 (0.70%) Data Warehouse
20 75 (0.64%) Azure SQL Database
Development Applications
1 1980 (16.88%) Git (software)
2 726 (6.19%) Jenkins
3 572 (4.88%) gulp
4 546 (4.66%) Selenium
5 519 (4.43%) webpack
6 490 (4.18%) JIRA
7 483 (4.12%) Subversion
8 448 (3.82%) Visual Studio
9 436 (3.72%) Grunt
10 424 (3.62%) Jasmine
11 406 (3.46%) TeamCity
12 398 (3.39%) Maven
13 357 (3.04%) NUnit
14 335 (2.86%) Team Foundation Server
15 331 (2.82%) JUnit
16 314 (2.68%) Cucumber
17 265 (2.26%) Mocha
18 225 (1.92%) Karma Test Runner
19 219 (1.87%) WebDriver
20 216 (1.84%) Rhino Mocks
General
1 2728 (23.26%) Finance
2 1006 (8.58%) Banking
3 716 (6.11%) Retail
4 602 (5.13%) Marketing
5 583 (4.97%) Games
6 411 (3.50%) Investment Banking
7 381 (3.25%) Advertising
8 288 (2.46%) Front Office
9 249 (2.12%) Retail Banking
10 205 (1.75%) Legal
11 160 (1.36%) Publishing
12 156 (1.33%) Telecoms
13 125 (1.07%) Law
14 104 (0.89%) Financial Institution
15 91 (0.78%) Back Office
16 81 (0.69%) Electronics
17 71 (0.61%) Music Industry
18 62 (0.53%) Manufacturing
19 51 (0.43%) Pharmaceutical
20 28 (0.24%) Multimedia
Job Titles
1 8325 (70.98%) Developer
2 1725 (14.71%) .NET Developer
3 1721 (14.67%) JavaScript Developer
4 1620 (13.81%) Senior Developer
5 1587 (13.53%) Front End Developer (Client-Side Developer)
6 1374 (11.72%) C# Developer
7 1150 (9.81%) Java Developer
8 1030 (8.78%) C# .NET Developer
9 964 (8.22%) Full Stack Developer
10 703 (5.99%) Angular Developer
11 667 (5.69%) Software Engineer
12 622 (5.30%) Lead Developer
13 579 (4.94%) ASP.NET Developer
14 561 (4.78%) PHP Developer
15 549 (4.68%) Web Developer
16 542 (4.62%) HTML Developer
17 537 (4.58%) Software Developer
18 523 (4.46%) C# ASP.NET Developer
19 413 (3.52%) ASP.NET MVC Developer
19 413 (3.52%) HTML CSS Developer
Libraries, Frameworks & Software Standards
1 6861 (58.50%) HTML
2 6174 (52.64%) CSS
3 4411 (37.61%) AngularJS
4 3762 (32.08%) .NET
5 3188 (27.18%) HTML5
6 2688 (22.92%) React
7 2520 (21.49%) Node.js
8 2477 (21.12%) jQuery
9 2194 (18.71%) ASP.NET
10 1984 (16.92%) CSS3
11 1460 (12.45%) ASP.NET MVC
12 1444 (12.31%) Web Services
13 1290 (11.00%) REST
14 1138 (9.70%) Sass
15 1069 (9.11%) RESTful
16 1014 (8.65%) XML
17 972 (8.29%) .NET Framework
18 949 (8.09%) Spring
19 834 (7.11%) ASP.NET Web API
20 821 (7.00%) Ajax
Miscellaneous
1 1546 (13.18%) User Experience
2 1133 (9.66%) Computer Science
3 959 (8.18%) Greenfield Project
4 785 (6.69%) Fintech
5 762 (6.50%) Analytical Skills
6 594 (5.06%) Mobile App
7 359 (3.06%) Enterprise Software
8 251 (2.14%) Algorithms
9 170 (1.45%) Linux Command Line
10 165 (1.41%) Hedge funds
11 141 (1.20%) Data Structures
12 135 (1.15%) Foreign Exchange (FX)
13 123 (1.05%) Client/Server
14 107 (0.91%) Fixed Income
15 93 (0.79%) Social Media
16 89 (0.76%) Equities
17 84 (0.72%) N-Tier
18 73 (0.62%) Virtual Team
18 73 (0.62%) W3C
19 67 (0.57%) Social Network
Operating Systems
1 1033 (8.81%) Linux
2 693 (5.91%) Windows
3 479 (4.08%) Apple iOS
4 475 (4.05%) Unix
5 474 (4.04%) Android
6 130 (1.11%) Windows Server
7 46 (0.39%) Mac OS X
7 46 (0.39%) Windows 7
8 43 (0.37%) Windows 10
9 37 (0.32%) Ubuntu
10 29 (0.25%) Red Hat Enterprise Linux
10 29 (0.25%) Windows Server 2012
11 24 (0.20%) CentOS
12 23 (0.20%) Mac OS
13 18 (0.15%) Solaris
14 17 (0.14%) AIX
15 16 (0.14%) HPUX
16 13 (0.11%) Nucleus RTOS
17 12 (0.10%) Debian
17 12 (0.10%) Windows Phone
Processes & Methodologies
1 5716 (48.74%) Agile Software Development
2 2917 (24.87%) MVC
3 2824 (24.08%) TDD
4 2295 (19.57%) Front End Development
5 2053 (17.51%) Scrum
6 1885 (16.07%) Web Development
7 1657 (14.13%) OO
8 1563 (13.33%) Software Engineering
9 1371 (11.69%) BDD
10 1182 (10.08%) Test Automation
11 1152 (9.82%) Continuous Integration
12 1063 (9.06%) Microservices
13 1037 (8.84%) E-Commerce
14 986 (8.41%) DevOps
15 950 (8.10%) Unit Testing
16 784 (6.68%) SDLC
17 732 (6.24%) Analytics
18 729 (6.22%) OOP
19 723 (6.16%) Open Source
20 721 (6.15%) Mentoring
Programming Languages
1 3811 (32.49%) C#
2 3318 (28.29%) Java
3 2887 (24.62%) SQL
4 1507 (12.85%) PHP
5 1427 (12.17%) Python
6 797 (6.80%) ES6
7 747 (6.37%) Ruby
8 560 (4.77%) T-SQL
9 486 (4.14%) TypeScript
10 451 (3.85%) C++
11 428 (3.65%) Scala
12 254 (2.17%) VB.NET
13 226 (1.93%) Go
14 224 (1.91%) PowerShell
15 216 (1.84%) Groovy
16 212 (1.81%) Perl
17 194 (1.65%) VB
18 173 (1.48%) C
19 172 (1.47%) Bash Shell
20 128 (1.09%) Objective-C
Qualifications
1 1511 (12.88%) Degree
2 534 (4.55%) Computer Science Degree
3 127 (1.08%) Microsoft Certification
4 113 (0.96%) Security Cleared
5 64 (0.55%) MCSD
6 57 (0.49%) PhD
7 49 (0.42%) MCAD
8 47 (0.40%) SC Cleared
9 34 (0.29%) Master's Degree
10 33 (0.28%) Numerate Degree
11 31 (0.26%) MCP
12 25 (0.21%) ISEB
13 24 (0.20%) ISTQB
14 21 (0.18%) DV Cleared
15 20 (0.17%) MCSE
16 17 (0.14%) CCNA
16 17 (0.14%) Cisco Certification
17 15 (0.13%) MBA
18 13 (0.11%) MCSA
19 12 (0.10%) A+ Certification
Quality Assurance & Compliance
1 856 (7.30%) QA
2 35 (0.30%) WCAG
3 29 (0.25%) GCP
4 23 (0.20%) Data Quality
5 22 (0.19%) SLA
6 20 (0.17%) MiFID
7 19 (0.16%) PCI DSS
8 17 (0.14%) ISO/IEC 27001
9 15 (0.13%) PMO
10 14 (0.12%) WAI
11 13 (0.11%) EMIR
12 11 (0.094%) COBIT
13 9 (0.077%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
14 7 (0.060%) GDPR
15 6 (0.051%) Dodd-Frank
16 5 (0.043%) Disclosure Scotland
17 4 (0.034%) OIPF
18 2 (0.017%) ISO 20022
18 2 (0.017%) ISO 8583
19 1 (0.009%) Solvency II
System Software
1 793 (6.76%) Docker
2 98 (0.84%) Active Directory
3 36 (0.31%) Virtual Machines
4 28 (0.24%) VMware Infrastructure
5 22 (0.19%) HDFS
6 10 (0.085%) Apache ZooKeeper
7 7 (0.060%) Microsoft App-V
7 7 (0.060%) VirtualBox
8 6 (0.051%) vSphere
8 6 (0.051%) XenApp
8 6 (0.051%) XenServer
9 5 (0.043%) Varnish
9 5 (0.043%) VMware NSX
10 4 (0.034%) Apache Flume
10 4 (0.034%) Microsoft Virtual Server
10 4 (0.034%) Virtual Servers
10 4 (0.034%) XenDesktop
11 3 (0.026%) Cygwin
12 2 (0.017%) KVM
12 2 (0.017%) LXC
Systems Management
1 239 (2.04%) Puppet
2 232 (1.98%) Kubernetes
3 221 (1.88%) Ansible
4 143 (1.22%) Opscode Chef
5 84 (0.72%) Terraform
6 79 (0.67%) Kibana
7 55 (0.47%) logstash
8 44 (0.38%) PowerBroker
9 29 (0.25%) Packer
10 24 (0.20%) Nagios
11 18 (0.15%) Salt
12 15 (0.13%) SCCM
13 13 (0.11%) Grafana
14 12 (0.10%) Control-M
14 12 (0.10%) cPanel
14 12 (0.10%) Graphite
15 11 (0.094%) Docker Swarm
15 11 (0.094%) Mesos
16 10 (0.085%) HP Quality Center
17 9 (0.077%) ZABBIX
Vendors
1 1457 (12.42%) Microsoft
2 675 (5.76%) Oracle
3 391 (3.33%) Google
4 312 (2.66%) Adobe
5 167 (1.42%) Sybase
6 151 (1.29%) Salesforce.com
7 148 (1.26%) Zend
8 139 (1.19%) Sitecore
9 121 (1.03%) SAP
10 92 (0.78%) Xamarin
11 87 (0.74%) ServiceNow
12 79 (0.67%) Facebook
12 79 (0.67%) IBM
13 72 (0.61%) VMware
14 61 (0.52%) hybris
15 60 (0.51%) Splunk
16 53 (0.45%) Tableau
17 46 (0.39%) Apple
18 45 (0.38%) Perforce
18 45 (0.38%) Siebel