Period
to 23 October 2019

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 23 October 2019 with a comparison to the same period in the previous 2 years.

JavaScript (including ECMAScript)
England > London
6 months to
23 Oct 2019
Same period 2018 Same period 2017
Rank 8 6 7
Rank change year-on-year -2 +1 -1
Permanent jobs citing JavaScript 8,185 11,324 11,882
As % of all permanent IT jobs advertised in London 15.01% 16.64% 15.92%
As % of the Programming Languages category 26.74% 29.03% 28.90%
Number of salaries quoted 7,069 9,268 10,132
London median annual salary £65,000 £60,000 £57,500
Median salary % change year-on-year +8.33% +4.35% +4.55%
10th Percentile £38,500 £37,500 £35,000
90th Percentile £95,000 £90,000 £83,750
England median annual salary £50,000 £50,000 £46,902
% change year-on-year - +6.61% +4.23%

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 30,614 39,003 41,117
As % of all permanent IT jobs advertised in London 56.14% 57.31% 55.08%
Number of salaries quoted 25,528 32,268 32,461
London median annual salary £65,000 £62,500 £60,000
Median salary % change year-on-year +4.00% +4.17% +4.35%
10th Percentile £38,750 £37,500 £36,250
90th Percentile £100,000 £95,000 £90,000
England median annual salary £52,500 £50,000 £50,000
% change year-on-year +5.00% - +5.26%

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 23 October 2019.

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 23 October 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
Central London -3 1,915 £65,000 +4.00% 545
West London +2 350 £55,000 - 217
South London -12 158 £50,000 +8.11% 57
East London -6 72 £52,500 -10.26% 97
North London -22 19 £52,500 +2.44% 23
JavaScript
England

For the 6 months to 23 October 2019, IT jobs citing JavaScript 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 JavaScript.

1 3,957 (48.34%) HTML
2 3,880 (47.40%) Agile Software Development
3 3,683 (45.00%) CSS
4 2,740 (33.48%) AngularJS
5 2,665 (32.56%) React
6 2,647 (32.34%) C#
7 2,219 (27.11%) .NET
8 2,218 (27.10%) Java
9 1,864 (22.77%) AWS
10 1,759 (21.49%) Node.js
11 1,725 (21.08%) TDD
12 1,705 (20.83%) SQL
13 1,652 (20.18%) Finance
14 1,582 (19.33%) Front End Development
15 1,524 (18.62%) Software Engineering
16 1,519 (18.56%) Python
17 1,476 (18.03%) HTML5
18 1,469 (17.95%) MVC
19 1,395 (17.04%) Git (software)
20 1,330 (16.25%) DevOps
21 1,304 (15.93%) ASP.NET
22 1,303 (15.92%) SQL Server
23 1,301 (15.89%) Azure
24 1,225 (14.97%) Scrum
25 1,215 (14.84%) Docker
26 1,200 (14.66%) Microservices
27 1,065 (13.01%) Degree
28 1,039 (12.69%) User Experience
29 1,027 (12.55%) Microsoft
30 984 (12.02%) 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
1 366 (4.47%) Elasticsearch
2 304 (3.71%) CMS
3 163 (1.99%) Confluence
4 156 (1.91%) SharePoint
5 139 (1.70%) WordPress
6 117 (1.43%) Apache Spark
7 109 (1.33%) IIS
8 100 (1.22%) Umbraco
9 90 (1.10%) Drupal
10 79 (0.97%) Apache
11 73 (0.89%) Adobe Experience Manager
11 73 (0.89%) Tomcat
12 72 (0.88%) nginx
13 65 (0.79%) EPiServer
14 57 (0.70%) Sitecore CMS
15 51 (0.62%) BizTalk Server
16 44 (0.54%) WebSphere
17 38 (0.46%) Cloud Foundry
18 34 (0.42%) Oracle SOA Suite
19 30 (0.37%) Headless CMS
Applications
1 102 (1.25%) Photoshop
2 64 (0.78%) Sketch
3 59 (0.72%) Microsoft Excel
4 47 (0.57%) Adobe Illustrator
5 41 (0.50%) Microsoft Office
6 29 (0.35%) Zeplin
7 25 (0.31%) InVision
8 17 (0.21%) Chatbot
9 14 (0.17%) Microsoft PowerPoint
10 12 (0.15%) Adobe Premiere
10 12 (0.15%) Adobe XD
10 12 (0.15%) Figma
10 12 (0.15%) InDesign
11 7 (0.086%) GIMP
11 7 (0.086%) Marvel
12 6 (0.073%) Adobe Creative Suite
12 6 (0.073%) Microsoft Project
13 5 (0.061%) Fireworks
13 5 (0.061%) Spreadsheet
14 4 (0.049%) OmniGraffle
Business Applications
1 116 (1.42%) Dynamics CRM
2 76 (0.93%) Magento
3 63 (0.77%) Payment Gateway
4 28 (0.34%) NetSuite
5 21 (0.26%) Dynamics AX
6 20 (0.24%) FINCAD Analytics
7 18 (0.22%) SAP Hybris
8 14 (0.17%) Salesforce.com CRM
8 14 (0.17%) Shopify
9 11 (0.13%) Dynamics NAV
10 8 (0.098%) Temenos T24
11 7 (0.086%) Adobe Campaign
12 5 (0.061%) Sparx Enterprise Architect
12 5 (0.061%) WebTrends
13 4 (0.049%) SDL Web 8
14 3 (0.037%) Endur
14 3 (0.037%) OpenText MBPM
14 3 (0.037%) RMDS
14 3 (0.037%) SAP Business One
14 3 (0.037%) StreamServe
Cloud Services
1 1,864 (22.77%) AWS
2 1,301 (15.89%) Azure
3 460 (5.62%) GCP
4 411 (5.02%) SaaS
5 392 (4.79%) Serverless
6 379 (4.63%) GitHub
7 264 (3.23%) AWS Lambda
8 200 (2.44%) npm
9 165 (2.02%) Amazon EC2
9 165 (2.02%) PaaS
10 152 (1.86%) Amazon S3
11 146 (1.78%) Cloud Computing
12 126 (1.54%) Amazon ECS
13 119 (1.45%) OpenShift
14 103 (1.26%) Power Platform
15 100 (1.22%) AWS CloudFormation
16 70 (0.86%) Dynamics 365
17 60 (0.73%) Office 365
18 58 (0.71%) CloudFront
19 57 (0.70%) PowerApps
Communications & Networking
1 195 (2.38%) Internet
2 133 (1.62%) HTTP
3 48 (0.59%) Firewall
4 43 (0.53%) TCP/IP
5 27 (0.33%) Intranet
6 22 (0.27%) SSL
7 18 (0.22%) VPN
8 16 (0.20%) DNS
8 16 (0.20%) SSH
9 13 (0.16%) SMS
10 8 (0.098%) DHCP
10 8 (0.098%) HTTPS
11 7 (0.086%) ATM
11 7 (0.086%) Skype
12 6 (0.073%) Unified Communications
13 4 (0.049%) AMQP
13 4 (0.049%) Bluetooth
13 4 (0.049%) FTP
13 4 (0.049%) Reverse Proxy
13 4 (0.049%) Wireless
Database & Business Intelligence
1 1,303 (15.92%) SQL Server
2 605 (7.39%) NoSQL
3 517 (6.32%) MySQL
4 365 (4.46%) PostgreSQL
5 341 (4.17%) MongoDB
6 292 (3.57%) Big Data
7 277 (3.38%) Relational Database
8 205 (2.50%) SQL Server 2016
9 189 (2.31%) Redis
10 186 (2.27%) Amazon DynamoDB
11 134 (1.64%) Amazon RDS
12 112 (1.37%) Amazon Athena
13 109 (1.33%) SQL Server Integration Services
14 108 (1.32%) SQL Server Reporting Services
15 103 (1.26%) Hadoop
16 92 (1.12%) Blockchain
17 91 (1.11%) Apache Cassandra
18 71 (0.87%) Power BI
19 63 (0.77%) Cosmos DB
20 59 (0.72%) SQL Server 2012
Development Applications
1 1,395 (17.04%) Git (software)
2 607 (7.42%) Jenkins
3 414 (5.06%) webpack
4 403 (4.92%) JIRA
5 397 (4.85%) Selenium
6 229 (2.80%) TeamCity
7 226 (2.76%) Visual Studio
8 217 (2.65%) gulp
9 210 (2.57%) Cucumber
10 176 (2.15%) Bitbucket
11 170 (2.08%) Grunt
12 165 (2.02%) Jasmine
13 163 (1.99%) Team Foundation Server
14 157 (1.92%) JUnit
15 127 (1.55%) Maven
16 125 (1.53%) Mocha
17 122 (1.49%) WebDriver
18 112 (1.37%) GitLab
19 109 (1.33%) Babel
19 109 (1.33%) NUnit
General
1 1,652 (20.18%) Finance
2 556 (6.79%) Banking
3 440 (5.38%) Retail
4 392 (4.79%) Marketing
5 369 (4.51%) Front Office
6 253 (3.09%) Games
7 249 (3.04%) Advertising
8 142 (1.73%) Law
9 108 (1.32%) Investment Banking
10 86 (1.05%) Publishing
11 77 (0.94%) Public Sector
12 65 (0.79%) Legal
13 63 (0.77%) Financial Institution
14 55 (0.67%) Telecoms
15 45 (0.55%) Multimedia
16 40 (0.49%) Back Office
17 38 (0.46%) Manufacturing
18 28 (0.34%) Billing
19 27 (0.33%) Automotive
20 22 (0.27%) Pharmaceutical
Job Titles
1 5,582 (68.20%) Developer
2 1,226 (14.98%) Senior Developer
3 1,146 (14.00%) Front End Developer (Client-Side Developer)
4 1,050 (12.83%) .NET Developer
5 916 (11.19%) JavaScript Developer
6 757 (9.25%) React Developer
7 719 (8.78%) C# Developer
8 625 (7.64%) Software Engineer
9 574 (7.01%) Java Developer
10 558 (6.82%) Full Stack Developer
11 485 (5.93%) C# .NET Developer
12 353 (4.31%) Software Developer
13 325 (3.97%) Lead Developer
14 306 (3.74%) Angular Developer
15 303 (3.70%) PHP Developer
16 291 (3.56%) Senior Front-End Developer
17 263 (3.21%) Web Developer
18 249 (3.04%) UI Developer
19 242 (2.96%) Python Developer
20 234 (2.86%) Architect
Libraries, Frameworks & Software Standards
1 3,957 (48.34%) HTML
2 3,683 (45.00%) CSS
3 2,740 (33.48%) AngularJS
4 2,665 (32.56%) React
5 2,219 (27.11%) .NET
6 1,759 (21.49%) Node.js
7 1,476 (18.03%) HTML5
8 1,304 (15.93%) ASP.NET
9 984 (12.02%) Web Services
10 953 (11.64%) jQuery
11 924 (11.29%) REST
12 902 (11.02%) CSS3
13 847 (10.35%) RESTful
14 833 (10.18%) ASP.NET MVC
15 788 (9.63%) Redux
16 782 (9.55%) ASP.NET Web API
17 609 (7.44%) Sass
18 606 (7.40%) Vue.js
19 587 (7.17%) Spring
20 579 (7.07%) Twitter Bootstrap
Miscellaneous
1 1,039 (12.69%) User Experience
2 681 (8.32%) Greenfield Project
3 374 (4.57%) Mobile App
4 373 (4.56%) Analytical Skills
5 288 (3.52%) Algorithms
6 255 (3.12%) Fixed Income
7 203 (2.48%) Derivative
8 201 (2.46%) Equities
9 190 (2.32%) Enterprise Software
10 180 (2.20%) Hedge funds
11 170 (2.08%) Data Structures
12 148 (1.81%) Foreign Exchange (FX)
13 126 (1.54%) Self-Motivation
14 99 (1.21%) Cloud Native
15 90 (1.10%) Management Information System
16 72 (0.88%) Hybrid Cloud
16 72 (0.88%) Tandem
17 71 (0.87%) Public Cloud
18 68 (0.83%) Social Media
18 68 (0.83%) Social Network
Operating Systems
1 566 (6.92%) Linux
2 382 (4.67%) Windows
3 190 (2.32%) Android
4 180 (2.20%) Unix
5 176 (2.15%) Apple iOS
6 64 (0.78%) Windows Server
7 27 (0.33%) Mac OS
7 27 (0.33%) Ubuntu
8 15 (0.18%) CentOS
8 15 (0.18%) Windows 10
9 13 (0.16%) Kali Linux
9 13 (0.16%) VMS
10 9 (0.11%) Debian
10 9 (0.11%) zOS
11 8 (0.098%) Windows Server 2008
12 6 (0.073%) Embedded Linux
12 6 (0.073%) Mac OS X
12 6 (0.073%) Red Hat Enterprise Linux
12 6 (0.073%) Robot Operating System
12 6 (0.073%) Windows 7
Processes & Methodologies
1 3,880 (47.40%) Agile Software Development
2 1,725 (21.08%) TDD
3 1,582 (19.33%) Front End Development
4 1,524 (18.62%) Software Engineering
5 1,469 (17.95%) MVC
6 1,330 (16.25%) DevOps
7 1,225 (14.97%) Scrum
8 1,200 (14.66%) Microservices
9 947 (11.57%) Web Development
10 924 (11.29%) Continuous Integration
11 866 (10.58%) Computer Science
12 854 (10.43%) Test Automation
13 844 (10.31%) OO
14 804 (9.82%) BDD
15 796 (9.73%) Problem-Solving
16 729 (8.91%) Mentoring
17 666 (8.14%) Fintech
18 654 (7.99%) Unit Testing
19 614 (7.50%) Analytics
20 568 (6.94%) SDLC
Programming Languages
1 2,647 (32.34%) C#
2 2,218 (27.10%) Java
3 1,705 (20.83%) SQL
4 1,519 (18.56%) Python
5 843 (10.30%) TypeScript
6 808 (9.87%) PHP
7 695 (8.49%) ES6
8 379 (4.63%) Ruby
9 361 (4.41%) C++
10 337 (4.12%) T-SQL
11 308 (3.76%) Scala
12 293 (3.58%) Java 8
13 264 (3.23%) Go
14 203 (2.48%) PowerShell
15 183 (2.24%) R
16 157 (1.92%) Bash Shell
17 121 (1.48%) C
18 107 (1.31%) Apex Code
19 104 (1.27%) Groovy
20 92 (1.12%) ES7
Qualifications
1 1,065 (13.01%) Degree
2 410 (5.01%) Computer Science Degree
3 90 (1.10%) Security Cleared
4 51 (0.62%) Master's Degree
5 37 (0.45%) Microsoft Certification
5 37 (0.45%) SC Cleared
6 33 (0.40%) PhD
7 29 (0.35%) DV Cleared
8 20 (0.24%) Numerate Degree
9 19 (0.23%) MCP
10 18 (0.22%) MCSD
11 14 (0.17%) ISTQB
12 13 (0.16%) CISSP
13 9 (0.11%) CEH
13 9 (0.11%) MCAD
13 9 (0.11%) MCTS
13 9 (0.11%) TOGAF Certification
14 8 (0.098%) AWS Certification
14 8 (0.098%) ITIL Certification
15 7 (0.086%) Postgraduate
Quality Assurance & Compliance
1 508 (6.21%) QA
2 35 (0.43%) GDPR
3 29 (0.35%) SLA
4 21 (0.26%) WAI
5 13 (0.16%) WCAG
6 12 (0.15%) Data Quality
7 6 (0.073%) PCI DSS
8 5 (0.061%) Solvency II
9 4 (0.049%) HL7
9 4 (0.049%) ISO/IEC 27001
10 3 (0.037%) COBIT
10 3 (0.037%) MiFID
10 3 (0.037%) PMO
11 2 (0.024%) EMIR
11 2 (0.024%) HIPAA
11 2 (0.024%) NIST
11 2 (0.024%) PSD2
System Software
1 1,215 (14.84%) Docker
2 34 (0.42%) Active Directory
3 21 (0.26%) Forefront TMG
4 15 (0.18%) HDFS
5 12 (0.15%) Varnish
6 11 (0.13%) Virtual Machines
6 11 (0.13%) VMware Infrastructure
7 7 (0.086%) VirtualBox
8 3 (0.037%) Oracle RAC
9 2 (0.024%) Apache ZooKeeper
9 2 (0.024%) ISA Server
10 1 (0.012%) Cronacle
10 1 (0.012%) Firmware
10 1 (0.012%) Hyper-V
10 1 (0.012%) vCloud
10 1 (0.012%) Virtual Desktop
Systems Management
1 647 (7.90%) Kubernetes
2 330 (4.03%) Terraform
3 300 (3.67%) Ansible
4 162 (1.98%) Puppet
5 155 (1.89%) Opscode Chef
6 51 (0.62%) Kibana
7 42 (0.51%) Istio
8 32 (0.39%) Mesos
9 31 (0.38%) logstash
10 30 (0.37%) Salt
11 29 (0.35%) Consul
12 23 (0.28%) Docker Swarm
13 17 (0.21%) Nagios
13 17 (0.21%) Sysdig
14 16 (0.20%) HP Quality Center
14 16 (0.20%) ZABBIX
15 15 (0.18%) Knative
15 15 (0.18%) Packer
15 15 (0.18%) Single Sign-On
16 14 (0.17%) SCCM
Vendors
1 1,027 (12.55%) Microsoft
2 457 (5.58%) Google
3 308 (3.76%) Oracle
4 222 (2.71%) Salesforce.com
5 202 (2.47%) Adobe
6 136 (1.66%) ServiceNow
7 102 (1.25%) Sitecore
8 99 (1.21%) Facebook
8 99 (1.21%) Splunk
9 98 (1.20%) SAP
10 87 (1.06%) Bloomberg
11 86 (1.05%) IBM
12 76 (0.93%) Tableau
13 74 (0.90%) Cypress Semiconductor
14 65 (0.79%) Reuters
15 55 (0.67%) WorldPay
16 49 (0.60%) Zend
17 47 (0.57%) Apple
18 43 (0.53%) YouTube
19 38 (0.46%) Sage