Period
to 26 October 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 26 October 2020 with a comparison to the same period in the previous 2 years.

JavaScript (including ECMAScript)
England > London
6 months to
26 Oct 2020
Same period 2019 Same period 2018
Rank 9 8 6
Rank change year-on-year -1 -2 +1
Permanent jobs citing JavaScript 3,564 8,193 11,318
As % of all permanent jobs advertised in London 17.98% 15.09% 16.64%
As % of the Programming Languages category 29.39% 26.86% 29.04%
Number of salaries quoted 3,562 7,616 9,774
Median annual salary £67,500 £65,000 £60,000
Median salary % change year-on-year +3.85% +8.33% +4.35%
10th Percentile £44,131 £38,750 £37,500
90th Percentile £112,500 £95,000 £90,000
England median annual salary £55,000 £50,000 £50,000
% change year-on-year +10.00% - +7.53%

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 12,127 30,497 38,978
As % of all permanent IT jobs advertised in London 61.17% 56.15% 57.31%
Number of salaries quoted 10,385 25,428 32,266
Median annual salary £70,000 £65,000 £62,500
Median salary % change year-on-year +7.69% +4.00% +4.17%
10th Percentile £45,000 £38,750 £37,500
90th Percentile £110,000 £100,000 £95,000
England median annual salary £57,500 £52,500 £50,000
% change year-on-year +9.52% +5.00% -

JavaScript
Job Vacancy Trend in London

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

Job vacancy trend for JavaScript in London

JavaScript
Salary Trend in London

3-month moving average salary quoted in jobs citing JavaScript in London.

Salary trend for JavaScript in London

JavaScript
Salary Histogram in London

Salary distribution for jobs citing JavaScript in London over the 6 months to 26 October 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 26 October 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 -1 677 £67,500 +3.85% 295
West London -1 116 £56,250 - 105
South London -9 58 £60,000 +20.00% 11
East London +5 45 £52,500 - 60
North London +28 10 £52,500 -2.33% 14
JavaScript
England

For the 6 months to 26 October 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 1,875 (52.61%) Agile Software Development
2 1,446 (40.57%) React
3 1,220 (34.23%) HTML
4 1,190 (33.39%) AWS
5 1,176 (33.00%) CSS
6 1,165 (32.69%) AngularJS
7 1,100 (30.86%) Java
8 1,070 (30.02%) Node.js
9 1,012 (28.40%) Python
10 955 (26.80%) Finance
11 914 (25.65%) Software Engineering
12 874 (24.52%) .NET
13 824 (23.12%) TDD
14 790 (22.17%) C#
15 787 (22.08%) Azure
16 781 (21.91%) SQL
17 720 (20.20%) Microservices
18 667 (18.71%) TypeScript
19 624 (17.51%) DevOps
20 621 (17.42%) Web Services
21 616 (17.28%) Docker
22 598 (16.78%) Vue.js
23 571 (16.02%) Git (software)
24 505 (14.17%) Scrum
25 490 (13.75%) Kubernetes
26 463 (12.99%) Front End Development
27 456 (12.79%) BDD
28 442 (12.40%) Fintech
29 431 (12.09%) SQL Server
30 427 (11.98%) Test Automation

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
1 126 (3.54%) Elasticsearch
2 115 (3.23%) CMS
3 88 (2.47%) Confluence
4 57 (1.60%) Apache Spark
5 52 (1.46%) Apache
6 41 (1.15%) SharePoint
7 39 (1.09%) IIS
7 39 (1.09%) WordPress
8 38 (1.07%) SAS
9 31 (0.87%) Umbraco
10 26 (0.73%) Sitecore CMS
11 25 (0.70%) Moodle
12 20 (0.56%) Cloud Foundry
12 20 (0.56%) EPiServer
13 15 (0.42%) nginx
14 14 (0.39%) Drupal
15 11 (0.31%) Headless CMS
16 8 (0.22%) Kentico
16 8 (0.22%) SharePoint 2010
16 8 (0.22%) Tomcat
Applications
1 25 (0.70%) Chatbot
1 25 (0.70%) Figma
2 23 (0.65%) Zeplin
3 20 (0.56%) Adobe Illustrator
3 20 (0.56%) Sketch
4 15 (0.42%) Photoshop
5 12 (0.34%) InVision
6 9 (0.25%) Microsoft Excel
7 5 (0.14%) Spreadsheet
8 4 (0.11%) Fireworks
8 4 (0.11%) Inkscape
8 4 (0.11%) Microsoft Office
9 3 (0.084%) Blender
10 2 (0.056%) Adobe Creative Suite
11 1 (0.028%) Adobe XD
11 1 (0.028%) InfoPath
Business Applications
1 74 (2.08%) Dynamics CRM
2 23 (0.65%) Magento
2 23 (0.65%) Shopify
3 16 (0.45%) Distributed Ledger
4 15 (0.42%) Siebel CRM
5 11 (0.31%) Payment Gateway
6 9 (0.25%) R3 Corda
6 9 (0.25%) Sparx Enterprise Architect
7 4 (0.11%) Oracle Applications
7 4 (0.11%) Oracle CRM On Demand
8 3 (0.084%) FINCAD Analytics
8 3 (0.084%) Maximo
8 3 (0.084%) NetSuite
9 2 (0.056%) Oracle BPM
9 2 (0.056%) Remedy ITSM
10 1 (0.028%) SAP BPC
10 1 (0.028%) SAP S/4HANA
10 1 (0.028%) Sentinel
Cloud Services
1 1,190 (33.39%) AWS
2 787 (22.08%) Azure
3 354 (9.93%) Serverless
4 347 (9.74%) GCP
5 234 (6.57%) AWS Lambda
6 204 (5.72%) SaaS
7 144 (4.04%) Amazon EC2
8 138 (3.87%) Amazon S3
9 108 (3.03%) Power Platform
10 96 (2.69%) GitHub
11 72 (2.02%) npm
12 64 (1.80%) Dynamics 365
13 58 (1.63%) OpenShift
14 41 (1.15%) Azure Functions
15 40 (1.12%) Cloud Computing
16 36 (1.01%) AWS CloudFormation
16 36 (1.01%) PaaS
17 34 (0.95%) Amazon CloudWatch
18 30 (0.84%) Amazon ECS
18 30 (0.84%) Firebase
Communications & Networking
1 59 (1.66%) Internet
2 33 (0.93%) HTTP
3 30 (0.84%) TCP/IP
4 16 (0.45%) SSH
5 13 (0.36%) Kerberos
6 11 (0.31%) Firewall
6 11 (0.31%) Intranet
6 11 (0.31%) Skype
7 10 (0.28%) HTTPS
8 7 (0.20%) 5G
9 6 (0.17%) AMQP
10 5 (0.14%) VoIP
11 4 (0.11%) VPN
12 3 (0.084%) SSL
13 2 (0.056%) DSL
13 2 (0.056%) SMPP
13 2 (0.056%) SMS
13 2 (0.056%) WebEx
14 1 (0.028%) RS-485
14 1 (0.028%) Wi-Fi
Database & Business Intelligence
1 431 (12.09%) SQL Server
2 272 (7.63%) MongoDB
3 258 (7.24%) NoSQL
4 202 (5.67%) MySQL
5 161 (4.52%) PostgreSQL
6 132 (3.70%) Amazon DynamoDB
7 129 (3.62%) Big Data
8 104 (2.92%) Redis
9 103 (2.89%) Relational Database
10 99 (2.78%) SQL Server Integration Services
11 96 (2.69%) SQL Server Reporting Services
12 83 (2.33%) Hadoop
13 75 (2.10%) Power BI
14 72 (2.02%) SQL Server 2019
15 54 (1.52%) Apache Cassandra
16 52 (1.46%) Apache Hive
17 48 (1.35%) Oracle Database
18 47 (1.32%) Blockchain
19 46 (1.29%) Impala
20 39 (1.09%) BusinessObjects
Development Applications
1 571 (16.02%) Git (software)
2 205 (5.75%) Jenkins
3 189 (5.30%) JIRA
4 180 (5.05%) Selenium
5 179 (5.02%) Cucumber
6 129 (3.62%) webpack
7 105 (2.95%) Mocha
8 99 (2.78%) TeamCity
9 91 (2.55%) Jasmine
10 80 (2.24%) GitLab
10 80 (2.24%) Visual Studio
11 78 (2.19%) Cypress.io
12 66 (1.85%) Appium
13 60 (1.68%) JUnit
14 59 (1.66%) WebDriver
15 54 (1.52%) Grunt
16 53 (1.49%) Octopus Deploy
17 51 (1.43%) CircleCI
18 41 (1.15%) Protractor
19 40 (1.12%) Bitbucket
General
1 955 (26.80%) Finance
2 395 (11.08%) Front Office
3 283 (7.94%) Banking
4 139 (3.90%) Retail
5 131 (3.68%) Marketing
6 119 (3.34%) Games
7 104 (2.92%) Investment Banking
8 87 (2.44%) Law
9 68 (1.91%) Public Sector
10 65 (1.82%) Advertising
11 43 (1.21%) Manufacturing
11 43 (1.21%) Telecoms
12 41 (1.15%) Private Banking
13 40 (1.12%) Financial Institution
14 39 (1.09%) Publishing
15 24 (0.67%) Automotive
16 23 (0.65%) Legal
17 19 (0.53%) Back Office
18 16 (0.45%) Electronics
19 14 (0.39%) Retail Banking
Job Titles
1 2,300 (64.53%) Developer
2 469 (13.16%) JavaScript Developer
3 462 (12.96%) Software Engineer
4 376 (10.55%) Full Stack Developer
5 358 (10.04%) Front End Developer (Client-Side Developer)
6 354 (9.93%) Senior Developer
7 328 (9.20%) .NET Developer
8 318 (8.92%) React Developer
9 255 (7.15%) Python Developer
10 249 (6.99%) Developer/Software Engineer
11 241 (6.76%) Java Developer
12 206 (5.78%) Python Engineer
13 197 (5.53%) C# Developer
14 182 (5.11%) JavaScript Engineer
15 164 (4.60%) Lead Developer
16 162 (4.55%) Architect
17 148 (4.15%) AWS Engineer
17 148 (4.15%) Python Software Engineer
18 144 (4.04%) C# .NET Developer
19 139 (3.90%) Angular Developer
Libraries, Frameworks & Software Standards
1 1,446 (40.57%) React
2 1,220 (34.23%) HTML
3 1,176 (33.00%) CSS
4 1,165 (32.69%) AngularJS
5 1,070 (30.02%) Node.js
6 874 (24.52%) .NET
7 621 (17.42%) Web Services
8 598 (16.78%) Vue.js
9 416 (11.67%) ASP.NET
10 410 (11.50%) HTML5
11 393 (11.03%) REST
12 376 (10.55%) .NET Core
13 365 (10.24%) Redux
14 307 (8.61%) RESTful
15 270 (7.58%) CSS3
16 224 (6.29%) .NET Framework
17 220 (6.17%) jQuery
18 217 (6.09%) ASP.NET Web API
19 210 (5.89%) Sass
20 208 (5.84%) XML
Miscellaneous
1 345 (9.68%) Fixed Income
2 335 (9.40%) Derivative
3 328 (9.20%) Hedge funds
4 299 (8.39%) Greenfield Project
5 263 (7.38%) Equities
6 243 (6.82%) User Experience
7 227 (6.37%) Foreign Exchange (FX)
8 167 (4.69%) Analytical Skills
9 150 (4.21%) Mobile App
10 76 (2.13%) Blog
11 72 (2.02%) Algorithms
12 67 (1.88%) Cloud Native
13 52 (1.46%) Enterprise Software
14 50 (1.40%) Self-Motivation
15 43 (1.21%) Data Structures
16 36 (1.01%) Credit Derivative
17 34 (0.95%) Video on Demand
18 33 (0.93%) N-Tier
18 33 (0.93%) Public Cloud
19 31 (0.87%) Video\Live Streaming
Operating Systems
1 254 (7.13%) Linux
2 143 (4.01%) Windows
3 93 (2.61%) Unix
4 84 (2.36%) Apple iOS
5 79 (2.22%) Android
6 14 (0.39%) VMS
7 13 (0.36%) Ubuntu
8 9 (0.25%) CentOS
9 7 (0.20%) Mac OS
10 5 (0.14%) Mac OS X
11 4 (0.11%) Windows Server
12 2 (0.056%) AIX
12 2 (0.056%) Debian
12 2 (0.056%) Red Hat Enterprise Linux
13 1 (0.028%) tvOS
13 1 (0.028%) Windows Server 2008
Processes & Methodologies
1 1,875 (52.61%) Agile Software Development
2 914 (25.65%) Software Engineering
3 824 (23.12%) TDD
4 720 (20.20%) Microservices
5 624 (17.51%) DevOps
6 505 (14.17%) Scrum
7 463 (12.99%) Front End Development
8 456 (12.79%) BDD
9 442 (12.40%) Fintech
10 427 (11.98%) Test Automation
11 402 (11.28%) Asset Management
12 399 (11.20%) MVC
13 388 (10.89%) OO
14 324 (9.09%) Web Development
15 272 (7.63%) Investment Management
16 267 (7.49%) Analytics
17 263 (7.38%) Continuous Integration
18 238 (6.68%) Computer Science
19 221 (6.20%) Problem-Solving
20 214 (6.00%) Open Source
Programming Languages
1 1,100 (30.86%) Java
2 1,012 (28.40%) Python
3 790 (22.17%) C#
4 781 (21.91%) SQL
5 667 (18.71%) TypeScript
6 282 (7.91%) PHP
7 215 (6.03%) Kotlin
8 193 (5.42%) Ruby
9 190 (5.33%) Go
10 184 (5.16%) ES6
11 143 (4.01%) Scala
12 142 (3.98%) C++
13 119 (3.34%) T-SQL
14 101 (2.83%) Java 8
15 73 (2.05%) Shell Script
16 62 (1.74%) Clojure
17 59 (1.66%) PL/SQL
17 59 (1.66%) R
18 56 (1.57%) PowerShell
19 38 (1.07%) HiveQL
Qualifications
1 334 (9.37%) Degree
2 136 (3.82%) Computer Science Degree
3 47 (1.32%) Security Cleared
4 40 (1.12%) SC Cleared
5 32 (0.90%) BPSS Clearance
6 24 (0.67%) ISTQB
7 21 (0.59%) Cisco Certification
7 21 (0.59%) ISEB
8 20 (0.56%) CCNA
9 13 (0.36%) Master's Degree
9 13 (0.36%) Numerate Degree
10 4 (0.11%) DV Cleared
10 4 (0.11%) Microsoft Certification
11 3 (0.084%) AWS Certification
11 3 (0.084%) DBS Check
11 3 (0.084%) HND
11 3 (0.084%) ISTQB Foundation Certification
12 2 (0.056%) ISEB Practitioner
12 2 (0.056%) ISTQB Advanced Certification
12 2 (0.056%) MCPD
Quality Assurance & Compliance
1 202 (5.67%) QA
2 9 (0.25%) NIST
3 6 (0.17%) MiFID
4 5 (0.14%) PSD2
5 4 (0.11%) GDPR
6 3 (0.084%) Data Quality
6 3 (0.084%) EMIR
6 3 (0.084%) SLA
6 3 (0.084%) WCAG
7 2 (0.056%) ISO/IEC 27001
8 1 (0.028%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
8 1 (0.028%) PCI DSS
System Software
1 616 (17.28%) Docker
2 39 (1.09%) HDFS
3 22 (0.62%) Active Directory
4 3 (0.084%) LXC
4 3 (0.084%) vSphere
5 2 (0.056%) VMware Infrastructure
6 1 (0.028%) Gluster
6 1 (0.028%) Kamailio
6 1 (0.028%) OpenSIPS
6 1 (0.028%) Postfix
6 1 (0.028%) Varnish
6 1 (0.028%) Virtual Machines
Systems Management
1 490 (13.75%) Kubernetes
2 248 (6.96%) Terraform
3 82 (2.30%) Ansible
4 52 (1.46%) Puppet
5 44 (1.23%) Opscode Chef
6 30 (0.84%) Grafana
6 30 (0.84%) Istio
7 24 (0.67%) ZABBIX
8 15 (0.42%) Kibana
9 14 (0.39%) Prometheus
10 13 (0.36%) Marathon
10 13 (0.36%) Mesos
11 9 (0.25%) Single Sign-On
12 6 (0.17%) logstash
13 5 (0.14%) Pingdom
13 5 (0.14%) Rancher
14 3 (0.084%) HP Quality Center
14 3 (0.084%) Packer
15 2 (0.056%) HP UCMDB
15 2 (0.056%) Nagios
Vendors
1 320 (8.98%) Microsoft
2 179 (5.02%) Google
3 111 (3.11%) Oracle
4 74 (2.08%) Salesforce.com
5 65 (1.82%) ServiceNow
6 40 (1.12%) Talend
7 38 (1.07%) Cloudera
7 38 (1.07%) Informatica
8 31 (0.87%) Atlassian
9 28 (0.79%) Sitecore
10 20 (0.56%) Pega
10 20 (0.56%) SAP
11 19 (0.53%) Apple
11 19 (0.53%) Siebel
12 18 (0.51%) Adobe
12 18 (0.51%) VMware
13 17 (0.48%) Splunk
14 16 (0.45%) IBM
15 14 (0.39%) Facebook
16 13 (0.36%) Databricks