Period
to 22 January 2020

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 22 January 2020 with a comparison to the same period in the previous 2 years.

JavaScript (including ECMAScript)
England > London
6 months to
22 Jan 2020
Same period 2019 Same period 2018
Rank 7 6 6
Rank change year-on-year -1 0 0
Permanent jobs citing JavaScript 8,252 10,116 11,506
As % of all permanent IT jobs advertised in London 16.08% 16.03% 16.46%
As % of the Programming Languages category 28.46% 28.03% 29.79%
Number of salaries quoted 7,085 8,374 9,873
London median annual salary £65,000 £62,500 £57,500
Median salary % change year-on-year +4.00% +8.70% +4.55%
10th Percentile £40,000 £36,750 £35,000
90th Percentile £101,250 £90,000 £85,000
England median annual salary £50,000 £50,000 £47,500
% change year-on-year - +5.26% +5.56%

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 28,999 36,090 38,627
As % of all permanent IT jobs advertised in London 56.51% 57.17% 55.27%
Number of salaries quoted 24,157 30,196 31,724
London median annual salary £67,500 £65,000 £60,000
Median salary % change year-on-year +3.85% +8.33% +4.35%
10th Percentile £40,000 £37,500 £36,250
90th Percentile £102,500 £95,000 £90,000
England median annual salary £55,000 £52,500 £50,000
% change year-on-year +4.76% +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 22 January 2020.

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 22 January 2020. 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 -1 1,799 £67,500 +3.85% 561
West London +1 379 £60,000 +9.09% 210
South London -8 167 £50,000 +11.11% 57
East London -6 62 £55,000 -4.35% 92
North London -13 20 £55,000 +29.41% 21
JavaScript
England

For the 6 months to 22 January 2020, 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 3,891 (47.15%) Agile Software Development
2 3,677 (44.56%) HTML
3 3,436 (41.64%) CSS
4 2,875 (34.84%) React
5 2,709 (32.83%) C#
6 2,682 (32.50%) AngularJS
7 2,287 (27.71%) Java
8 2,277 (27.59%) .NET
9 2,099 (25.44%) AWS
10 2,031 (24.61%) Node.js
11 1,841 (22.31%) Finance
12 1,790 (21.69%) TDD
13 1,680 (20.36%) Software Engineering
14 1,629 (19.74%) Azure
15 1,607 (19.47%) Python
16 1,582 (19.17%) SQL
17 1,530 (18.54%) Front End Development
18 1,494 (18.10%) MVC
19 1,468 (17.79%) Git (software)
20 1,435 (17.39%) Microservices
21 1,387 (16.81%) Scrum
22 1,380 (16.72%) HTML5
23 1,367 (16.57%) SQL Server
24 1,330 (16.12%) ASP.NET
25 1,257 (15.23%) DevOps
26 1,221 (14.80%) Docker
27 1,194 (14.47%) Web Services
28 1,048 (12.70%) TypeScript
29 995 (12.06%) User Experience
30 977 (11.84%) Degree

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
1 432 (5.24%) Elasticsearch
2 278 (3.37%) CMS
3 161 (1.95%) SharePoint
4 147 (1.78%) Apache Spark
5 124 (1.50%) Confluence
6 116 (1.41%) WordPress
7 84 (1.02%) EPiServer
8 79 (0.96%) Adobe Experience Manager
9 75 (0.91%) Drupal
10 71 (0.86%) nginx
11 68 (0.82%) Umbraco
12 60 (0.73%) IIS
13 52 (0.63%) Sitecore CMS
13 52 (0.63%) Tomcat
13 52 (0.63%) WebSphere
14 51 (0.62%) Apache
15 41 (0.50%) JBoss
16 40 (0.48%) Cloud Foundry
17 38 (0.46%) BizTalk Server
18 36 (0.44%) Headless CMS
Applications
1 67 (0.81%) Photoshop
2 54 (0.65%) Sketch
3 46 (0.56%) Microsoft Office
4 43 (0.52%) Microsoft Excel
5 30 (0.36%) InVision
6 25 (0.30%) Adobe Illustrator
7 24 (0.29%) Chatbot
8 20 (0.24%) Zeplin
9 17 (0.21%) Adobe XD
9 17 (0.21%) Microsoft PowerPoint
10 11 (0.13%) Adobe Creative Suite
10 11 (0.13%) InDesign
11 9 (0.11%) Fireworks
12 7 (0.085%) Figma
13 6 (0.073%) Spreadsheet
14 5 (0.061%) GIMP
15 4 (0.048%) InfoPath
15 4 (0.048%) Marvel
15 4 (0.048%) Microsoft Project
15 4 (0.048%) MS Visio
Business Applications
1 96 (1.16%) Dynamics CRM
2 91 (1.10%) FINCAD Analytics
3 82 (0.99%) Magento
4 49 (0.59%) Payment Gateway
5 20 (0.24%) NetSuite
6 19 (0.23%) SAP Hybris
7 14 (0.17%) Adobe Campaign
8 13 (0.16%) Salesforce.com CRM
9 12 (0.15%) Endur
9 12 (0.15%) Shopify
10 10 (0.12%) Dynamics AX
11 9 (0.11%) Temenos T24
12 6 (0.073%) Eloqua
12 6 (0.073%) Oracle BPM
12 6 (0.073%) R3 Corda
13 5 (0.061%) Sparx Enterprise Architect
14 4 (0.048%) Dynamics NAV
14 4 (0.048%) MetaTrader
15 3 (0.036%) ION MarketView
15 3 (0.036%) SAP Business One
Cloud Services
1 2,099 (25.44%) AWS
2 1,629 (19.74%) Azure
3 568 (6.88%) GCP
4 373 (4.52%) SaaS
5 347 (4.21%) Serverless
6 327 (3.96%) GitHub
7 202 (2.45%) AWS Lambda
8 191 (2.31%) npm
9 153 (1.85%) PaaS
10 131 (1.59%) Cloud Computing
11 116 (1.41%) Amazon EC2
11 116 (1.41%) OpenShift
12 111 (1.35%) Amazon S3
13 109 (1.32%) Amazon ECS
14 94 (1.14%) Power Platform
15 82 (0.99%) Amazon SQS
16 80 (0.97%) Office 365
17 67 (0.81%) AWS CloudFormation
18 58 (0.70%) Google Analytics
19 56 (0.68%) Salesforce Service Cloud
Communications & Networking
1 228 (2.76%) Internet
2 124 (1.50%) HTTP
3 55 (0.67%) TCP/IP
4 52 (0.63%) Firewall
5 33 (0.40%) Intranet
6 31 (0.38%) SSL
7 26 (0.32%) VPN
8 21 (0.25%) DNS
8 21 (0.25%) Wireshark
9 12 (0.15%) SSH
10 9 (0.11%) HTTPS
11 7 (0.085%) SMS
11 7 (0.085%) VoIP
12 6 (0.073%) AMQP
12 6 (0.073%) ATM
12 6 (0.073%) Unified Communications
13 5 (0.061%) FTP
13 5 (0.061%) Reverse Proxy
13 5 (0.061%) Skype
14 4 (0.048%) DHCP
Database & Business Intelligence
1 1,367 (16.57%) SQL Server
2 568 (6.88%) NoSQL
3 514 (6.23%) PostgreSQL
4 500 (6.06%) MongoDB
5 495 (6.00%) MySQL
6 314 (3.81%) Big Data
7 264 (3.20%) Relational Database
8 205 (2.48%) Redis
9 189 (2.29%) SQL Server 2016
10 187 (2.27%) Amazon Athena
11 186 (2.25%) Amazon DynamoDB
12 140 (1.70%) Hadoop
13 133 (1.61%) SQL Server 2019
14 132 (1.60%) Amazon RDS
15 87 (1.05%) SQL Server 2012
16 83 (1.01%) SQL Server Integration Services
17 77 (0.93%) Blockchain
18 71 (0.86%) Apache Cassandra
18 71 (0.86%) SQL Server Reporting Services
19 61 (0.74%) Cosmos DB
Development Applications
1 1,468 (17.79%) Git (software)
2 603 (7.31%) Jenkins
3 411 (4.98%) webpack
4 381 (4.62%) JIRA
5 328 (3.97%) Selenium
6 229 (2.78%) gulp
7 228 (2.76%) Visual Studio
8 214 (2.59%) TeamCity
9 202 (2.45%) Jasmine
10 180 (2.18%) Grunt
11 178 (2.16%) Cucumber
12 151 (1.83%) Maven
13 145 (1.76%) JUnit
14 143 (1.73%) Mocha
15 122 (1.48%) Bitbucket
16 119 (1.44%) Team Foundation Server
17 115 (1.39%) Atlassian Bamboo
18 108 (1.31%) RStudio
19 105 (1.27%) Cypress.io
20 104 (1.26%) NUnit
General
1 1,841 (22.31%) Finance
2 680 (8.24%) Banking
3 601 (7.28%) Front Office
4 463 (5.61%) Retail
5 437 (5.30%) Marketing
6 267 (3.24%) Games
7 234 (2.84%) Advertising
8 151 (1.83%) Investment Banking
9 116 (1.41%) Law
10 94 (1.14%) Public Sector
11 72 (0.87%) Publishing
12 57 (0.69%) Legal
13 52 (0.63%) Financial Institution
14 49 (0.59%) Telecoms
15 45 (0.55%) Manufacturing
16 40 (0.48%) Multimedia
17 27 (0.33%) Back Office
18 26 (0.32%) Billing
19 22 (0.27%) Automotive
20 21 (0.25%) Music Industry
Job Titles
1 5,625 (68.17%) Developer
2 1,330 (16.12%) Senior Developer
3 1,192 (14.44%) Front End Developer (Client-Side Developer)
4 1,124 (13.62%) .NET Developer
5 952 (11.54%) JavaScript Developer
6 816 (9.89%) React Developer
7 771 (9.34%) C# Developer
8 643 (7.79%) Java Developer
9 618 (7.49%) Software Engineer
10 593 (7.19%) Full Stack Developer
11 535 (6.48%) C# .NET Developer
12 381 (4.62%) Senior Front-End Developer
13 344 (4.17%) Lead Developer
14 314 (3.81%) Software Developer
15 306 (3.71%) Angular Developer
16 261 (3.16%) Web Developer
17 260 (3.15%) PHP Developer
18 240 (2.91%) Architect
19 216 (2.62%) Node.js Developer
20 215 (2.61%) UI Developer
Libraries, Frameworks & Software Standards
1 3,677 (44.56%) HTML
2 3,436 (41.64%) CSS
3 2,875 (34.84%) React
4 2,682 (32.50%) AngularJS
5 2,277 (27.59%) .NET
6 2,031 (24.61%) Node.js
7 1,380 (16.72%) HTML5
8 1,330 (16.12%) ASP.NET
9 1,194 (14.47%) Web Services
10 936 (11.34%) REST
11 911 (11.04%) CSS3
12 865 (10.48%) jQuery
13 859 (10.41%) Redux
14 851 (10.31%) ASP.NET MVC
15 823 (9.97%) RESTful
16 770 (9.33%) ASP.NET Web API
17 746 (9.04%) Vue.js
18 661 (8.01%) .NET Framework
19 645 (7.82%) .NET Core
20 640 (7.76%) Sass
Miscellaneous
1 995 (12.06%) User Experience
2 718 (8.70%) Greenfield Project
3 444 (5.38%) Fixed Income
4 423 (5.13%) Analytical Skills
5 384 (4.65%) Derivative
5 384 (4.65%) Mobile App
6 373 (4.52%) Equities
7 369 (4.47%) Hedge funds
8 239 (2.90%) Foreign Exchange (FX)
9 219 (2.65%) Algorithms
10 197 (2.39%) Enterprise Software
11 149 (1.81%) Self-Motivation
12 143 (1.73%) Blog
13 111 (1.35%) Equity Derivative
14 109 (1.32%) Data Structures
15 105 (1.27%) Cloud Native
16 87 (1.05%) Management Information System
17 79 (0.96%) Tandem
18 68 (0.82%) Social Network
19 65 (0.79%) Public Cloud
Operating Systems
1 561 (6.80%) Linux
2 325 (3.94%) Windows
3 235 (2.85%) Android
4 227 (2.75%) Apple iOS
5 199 (2.41%) Unix
6 70 (0.85%) Mac OS X
7 42 (0.51%) Windows Server
8 40 (0.48%) Mac OS
9 20 (0.24%) tvOS
10 17 (0.21%) VMS
10 17 (0.21%) Windows 10
11 15 (0.18%) Ubuntu
12 13 (0.16%) Kali Linux
13 10 (0.12%) CentOS
14 8 (0.097%) Windows 7
14 8 (0.097%) Windows Server 2008
14 8 (0.097%) Windows Server 2012
14 8 (0.097%) zOS
15 6 (0.073%) Embedded Linux
15 6 (0.073%) Robot Operating System
Processes & Methodologies
1 3,891 (47.15%) Agile Software Development
2 1,790 (21.69%) TDD
3 1,680 (20.36%) Software Engineering
4 1,530 (18.54%) Front End Development
5 1,494 (18.10%) MVC
6 1,435 (17.39%) Microservices
7 1,387 (16.81%) Scrum
8 1,257 (15.23%) DevOps
9 915 (11.09%) Web Development
10 902 (10.93%) BDD
11 868 (10.52%) OO
12 859 (10.41%) Continuous Integration
13 813 (9.85%) Test Automation
14 808 (9.79%) Computer Science
15 783 (9.49%) Problem-Solving
16 757 (9.17%) Mentoring
17 754 (9.14%) Analytics
18 703 (8.52%) Fintech
19 561 (6.80%) Unit Testing
20 533 (6.46%) E-Commerce
Programming Languages
1 2,709 (32.83%) C#
2 2,287 (27.71%) Java
3 1,607 (19.47%) Python
4 1,582 (19.17%) SQL
5 1,048 (12.70%) TypeScript
6 755 (9.15%) PHP
7 674 (8.17%) ES6
8 429 (5.20%) Ruby
9 428 (5.19%) C++
10 298 (3.61%) Java 8
11 287 (3.48%) T-SQL
12 267 (3.24%) Go
13 256 (3.10%) Scala
14 234 (2.84%) Kotlin
15 226 (2.74%) R
16 147 (1.78%) PowerShell
17 138 (1.67%) Bash Shell
18 132 (1.60%) C
19 96 (1.16%) Apex Code
20 91 (1.10%) ES7
Qualifications
1 977 (11.84%) Degree
2 405 (4.91%) Computer Science Degree
3 50 (0.61%) Master's Degree
4 47 (0.57%) Security Cleared
5 38 (0.46%) Microsoft Certification
6 27 (0.33%) MCP
6 27 (0.33%) PhD
7 22 (0.27%) SC Cleared
8 21 (0.25%) MCSD
9 12 (0.15%) Numerate Degree
10 9 (0.11%) AWS Certification
10 9 (0.11%) ISTQB
11 8 (0.097%) ITIL Certification
12 7 (0.085%) MCAD
12 7 (0.085%) MCPD
12 7 (0.085%) MCTS
12 7 (0.085%) Postgraduate
13 5 (0.061%) DBS Check
14 4 (0.048%) DV Cleared
14 4 (0.048%) ISTQB Foundation Certification
Quality Assurance & Compliance
1 550 (6.67%) QA
2 28 (0.34%) GDPR
3 27 (0.33%) SLA
4 12 (0.15%) WCAG
5 10 (0.12%) Data Quality
6 9 (0.11%) PCI DSS
6 9 (0.11%) PMO
7 8 (0.097%) ISO/IEC 27001
8 7 (0.085%) Solvency II
9 2 (0.024%) HL7
9 2 (0.024%) RMADS
10 1 (0.012%) Dublin Core
10 1 (0.012%) MiFID
10 1 (0.012%) PSD2
10 1 (0.012%) WAI
System Software
1 1,221 (14.80%) Docker
2 28 (0.34%) Virtual Machines
3 18 (0.22%) Active Directory
4 12 (0.15%) VirtualBox
5 9 (0.11%) Forefront TMG
5 9 (0.11%) VMware Infrastructure
6 7 (0.085%) Hyper-V
7 5 (0.061%) HDFS
7 5 (0.061%) LXC
7 5 (0.061%) Varnish
8 3 (0.036%) Oracle RAC
9 1 (0.012%) Apache ZooKeeper
9 1 (0.012%) Cronacle
9 1 (0.012%) vCloud
9 1 (0.012%) Virtual Desktop
Systems Management
1 766 (9.28%) Kubernetes
2 346 (4.19%) Terraform
3 258 (3.13%) Ansible
4 160 (1.94%) Puppet
5 151 (1.83%) Opscode Chef
6 49 (0.59%) Mesos
7 44 (0.53%) Kibana
8 43 (0.52%) Istio
9 32 (0.39%) Salt
10 23 (0.28%) Single Sign-On
11 20 (0.24%) Docker Swarm
12 19 (0.23%) Knative
13 18 (0.22%) logstash
14 16 (0.19%) Consul
15 15 (0.18%) Grafana
16 13 (0.16%) Marathon
16 13 (0.16%) Nessus
16 13 (0.16%) Nmap
16 13 (0.16%) Sysdig
17 12 (0.15%) SCCM
Vendors
1 916 (11.10%) Microsoft
2 497 (6.02%) Google
3 283 (3.43%) Oracle
4 220 (2.67%) Salesforce.com
5 208 (2.52%) Adobe
6 131 (1.59%) ServiceNow
7 111 (1.35%) SAP
8 97 (1.18%) Bloomberg
9 91 (1.10%) Facebook
10 90 (1.09%) Sitecore
11 72 (0.87%) Splunk
12 71 (0.86%) Apple
13 67 (0.81%) Zend
14 61 (0.74%) Tableau
15 60 (0.73%) IBM
16 43 (0.52%) WorldPay
17 42 (0.51%) Sage
18 40 (0.48%) Xamarin
19 33 (0.40%) YouTube
20 32 (0.39%) hybris