Period
to 22 January 2021

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 2021 with a comparison to the same period in the previous 2 years.

JavaScript (including ECMAScript)
England > London
6 months to
22 Jan 2021
Same period 2020 Same period 2019
Rank 10 7 6
Rank change year-on-year -3 -1 0
Permanent jobs citing JavaScript 4,348 8,252 10,116
As % of all permanent jobs advertised in London 17.90% 16.08% 16.03%
As % of the Programming Languages category 29.39% 28.46% 28.03%
Number of salaries quoted 4,565 7,701 8,969
Median annual salary £67,500 £65,000 £62,500
Median salary % change year-on-year +3.85% +4.00% +8.70%
10th Percentile £42,500 £40,000 £37,500
90th Percentile £107,500 £101,250 £90,000
England median annual salary £55,000 £50,000 £50,000
% change year-on-year +10.00% - +5.26%

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 14,794 28,999 36,089
As % of all permanent IT jobs advertised in London 60.92% 56.51% 57.17%
Number of salaries quoted 12,705 24,360 30,544
Median annual salary £70,000 £67,500 £65,000
Median salary % change year-on-year +3.70% +3.85% +8.33%
10th Percentile £45,000 £40,000 £37,500
90th Percentile £105,000 £105,000 £95,000
England median annual salary £57,500 £55,000 £52,500
% change year-on-year +4.55% +4.76% +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 22 January 2021.

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 2021. 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 -2 804 £70,000 +3.70% 352
West London -3 110 £60,000 - 121
South London +2 104 £60,000 +20.00% 15
East London +4 28 £53,500 -2.73% 64
North London +16 5 £52,500 -6.67% 14
JavaScript
England

For the 6 months to 22 January 2021, 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 2,321 (53.38%) Agile Software Development
2 1,827 (42.02%) React
3 1,429 (32.87%) CSS
4 1,406 (32.34%) HTML
5 1,342 (30.86%) AWS
6 1,264 (29.07%) AngularJS
7 1,246 (28.66%) Java
8 1,203 (27.67%) Python
9 1,180 (27.14%) Finance
10 1,178 (27.09%) Node.js
11 1,158 (26.63%) Software Engineering
12 1,138 (26.17%) .NET
13 1,031 (23.71%) Azure
14 998 (22.95%) C#
15 979 (22.52%) TDD
16 958 (22.03%) SQL
17 908 (20.88%) Microservices
18 879 (20.22%) DevOps
19 808 (18.58%) TypeScript
20 778 (17.89%) Docker
21 697 (16.03%) Web Services
22 696 (16.01%) Scrum
23 622 (14.31%) Git (software)
23 622 (14.31%) Vue.js
24 607 (13.96%) Test Automation
25 581 (13.36%) .NET Core
26 574 (13.20%) Kubernetes
27 567 (13.04%) Front End Development
28 519 (11.94%) MVC
29 518 (11.91%) HTML5

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
1 128 (2.94%) CMS
2 107 (2.46%) SharePoint
3 93 (2.14%) Confluence
4 80 (1.84%) Apache Spark
5 77 (1.77%) Apache
6 71 (1.63%) Elasticsearch
7 64 (1.47%) WordPress
8 38 (0.87%) SAS
9 34 (0.78%) IIS
10 28 (0.64%) Umbraco
11 27 (0.62%) Drupal
12 22 (0.51%) nginx
12 22 (0.51%) Sitecore CMS
13 20 (0.46%) Cloud Foundry
13 20 (0.46%) Moodle
14 13 (0.30%) Headless CMS
15 11 (0.25%) Adobe Experience Manager
15 11 (0.25%) Tomcat
16 8 (0.18%) OpenStack
17 7 (0.16%) Apache Solr
Applications
1 48 (1.10%) Sketch
2 39 (0.90%) InVision
3 25 (0.57%) Chatbot
4 24 (0.55%) Photoshop
5 20 (0.46%) Zeplin
6 19 (0.44%) Figma
6 19 (0.44%) Microsoft Office
7 13 (0.30%) Adobe Creative Suite
8 12 (0.28%) Microsoft Excel
9 10 (0.23%) Adobe Illustrator
10 8 (0.18%) Adobe XD
11 5 (0.11%) Spreadsheet
12 3 (0.069%) Adobe After Effects
12 3 (0.069%) GIMP
13 2 (0.046%) CINEMA 4D
13 2 (0.046%) Fireworks
13 2 (0.046%) Flinto
13 2 (0.046%) Inkscape
14 1 (0.023%) InDesign
14 1 (0.023%) InfoPath
Business Applications
1 126 (2.90%) Dynamics CRM
2 24 (0.55%) Shopify
3 18 (0.41%) Sparx Enterprise Architect
4 17 (0.39%) Magento
5 15 (0.34%) Siebel CRM
6 14 (0.32%) Payment Gateway
7 9 (0.21%) NetSuite
8 6 (0.14%) Distributed Ledger
8 6 (0.14%) R3 Corda
9 4 (0.092%) Maximo
10 3 (0.069%) Oracle Applications
10 3 (0.069%) Oracle CRM On Demand
10 3 (0.069%) Remedy ITSM
10 3 (0.069%) Sentinel
11 2 (0.046%) Oracle BPM
11 2 (0.046%) SAP S/4HANA
12 1 (0.023%) Academy Housing
12 1 (0.023%) SAP BPC
12 1 (0.023%) SAP CRM
12 1 (0.023%) SAP ERP
Cloud Services
1 1,342 (30.86%) AWS
2 1,031 (23.71%) Azure
3 477 (10.97%) Serverless
4 421 (9.68%) GCP
5 240 (5.52%) SaaS
6 234 (5.38%) AWS Lambda
7 146 (3.36%) GitHub
8 144 (3.31%) Amazon S3
9 137 (3.15%) Amazon EC2
10 131 (3.01%) Power Platform
11 106 (2.44%) PaaS
12 94 (2.16%) Dynamics 365
13 85 (1.95%) Azure Active Directory
14 79 (1.82%) npm
15 78 (1.79%) Azure Functions
16 44 (1.01%) AWS CloudFormation
17 39 (0.90%) Amazon Kinesis
18 38 (0.87%) PowerApps
19 35 (0.80%) Firebase
20 34 (0.78%) Slack
Communications & Networking
1 49 (1.13%) HTTP
2 34 (0.78%) Internet
3 23 (0.53%) TCP/IP
4 14 (0.32%) SSH
5 13 (0.30%) Firewall
6 12 (0.28%) HTTPS
6 12 (0.28%) Skype
7 11 (0.25%) Intranet
7 11 (0.25%) VPN
8 9 (0.21%) Kerberos
9 5 (0.11%) SSL
10 4 (0.092%) Asterisk PBX
10 4 (0.092%) RTP
10 4 (0.092%) VoIP
11 3 (0.069%) 5G
11 3 (0.069%) AMQP
11 3 (0.069%) HbbTV
11 3 (0.069%) SMPP
12 2 (0.046%) DSL
12 2 (0.046%) IPFS
Database & Business Intelligence
1 473 (10.88%) SQL Server
2 268 (6.16%) MySQL
2 268 (6.16%) NoSQL
3 256 (5.89%) MongoDB
4 206 (4.74%) PostgreSQL
5 135 (3.10%) Redis
6 132 (3.04%) Relational Database
7 131 (3.01%) Amazon DynamoDB
8 110 (2.53%) Big Data
9 90 (2.07%) SQL Server Integration Services
10 82 (1.89%) SQL Server Reporting Services
11 81 (1.86%) Blockchain
12 71 (1.63%) Power BI
13 67 (1.54%) Hadoop
14 51 (1.17%) Apache Hive
15 50 (1.15%) Cosmos DB
16 48 (1.10%) Oracle Database
17 47 (1.08%) Apache Cassandra
18 41 (0.94%) BusinessObjects
18 41 (0.94%) Impala
Development Applications
1 622 (14.31%) Git (software)
2 293 (6.74%) Selenium
3 289 (6.65%) Jenkins
4 245 (5.63%) JIRA
5 221 (5.08%) Cucumber
6 171 (3.93%) webpack
7 161 (3.70%) GitLab
8 155 (3.56%) Cypress.io
9 126 (2.90%) TeamCity
10 125 (2.87%) Visual Studio
11 120 (2.76%) Appium
12 99 (2.28%) Mocha
13 86 (1.98%) Team Foundation Server
14 85 (1.95%) Jasmine
15 75 (1.72%) Grunt
15 75 (1.72%) WebDriver
16 73 (1.68%) Octopus Deploy
17 69 (1.59%) Bitbucket
18 68 (1.56%) Visual Studio Team System
19 50 (1.15%) Maven
General
1 1,180 (27.14%) Finance
2 426 (9.80%) Front Office
3 305 (7.01%) Banking
4 180 (4.14%) Retail
5 170 (3.91%) Marketing
6 158 (3.63%) Games
7 108 (2.48%) Public Sector
8 106 (2.44%) Investment Banking
9 77 (1.77%) Advertising
10 59 (1.36%) Telecoms
11 57 (1.31%) Manufacturing
12 53 (1.22%) Law
13 49 (1.13%) Private Banking
14 32 (0.74%) Automotive
14 32 (0.74%) Back Office
15 29 (0.67%) Publishing
16 24 (0.55%) Electronics
17 23 (0.53%) Legal
18 14 (0.32%) Local Government
18 14 (0.32%) Online Betting
Job Titles
1 2,908 (66.88%) Developer
2 610 (14.03%) Software Engineer
3 561 (12.90%) JavaScript Developer
4 540 (12.42%) Senior Developer
5 496 (11.41%) React Developer
6 481 (11.06%) Full Stack Developer
7 403 (9.27%) .NET Developer
8 388 (8.92%) Front End Developer (Client-Side Developer)
9 339 (7.80%) Developer/Software Engineer
10 294 (6.76%) Java Developer
11 254 (5.84%) Python Developer
12 249 (5.73%) C# Developer
13 219 (5.04%) JavaScript Engineer
14 193 (4.44%) Lead Developer
15 181 (4.16%) Angular Developer
16 169 (3.89%) Python Engineer
17 156 (3.59%) C# .NET Developer
18 140 (3.22%) Architect
19 138 (3.17%) Node.js Developer
20 128 (2.94%) PHP Developer
Libraries, Frameworks & Software Standards
1 1,827 (42.02%) React
2 1,429 (32.87%) CSS
3 1,406 (32.34%) HTML
4 1,264 (29.07%) AngularJS
5 1,178 (27.09%) Node.js
6 1,138 (26.17%) .NET
7 697 (16.03%) Web Services
8 622 (14.31%) Vue.js
9 581 (13.36%) .NET Core
10 518 (11.91%) HTML5
11 486 (11.18%) REST
12 380 (8.74%) Redux
13 376 (8.65%) CSS3
14 358 (8.23%) .NET Framework
15 350 (8.05%) ASP.NET
16 309 (7.11%) jQuery
17 296 (6.81%) React Native
18 292 (6.72%) RESTful
19 290 (6.67%) ASP.NET Web API
20 272 (6.26%) Kafka
Miscellaneous
1 339 (7.80%) Greenfield Project
2 331 (7.61%) User Experience
3 320 (7.36%) Fixed Income
4 293 (6.74%) Derivative
5 265 (6.09%) Equities
6 257 (5.91%) Hedge funds
7 239 (5.50%) Foreign Exchange (FX)
8 220 (5.06%) Analytical Skills
9 177 (4.07%) Mobile App
10 138 (3.17%) Blog
11 100 (2.30%) N-Tier
12 86 (1.98%) Cloud Native
13 76 (1.75%) Algorithms
14 73 (1.68%) Self-Motivation
15 61 (1.40%) Data Structures
15 61 (1.40%) Social Media
16 42 (0.97%) Enterprise Software
17 38 (0.87%) Media Streaming
18 37 (0.85%) Virtual Team
19 36 (0.83%) Credit Derivative
Operating Systems
1 240 (5.52%) Linux
2 134 (3.08%) Windows
3 120 (2.76%) Android
4 117 (2.69%) Apple iOS
5 89 (2.05%) Unix
6 15 (0.34%) VMS
7 13 (0.30%) Windows Server
8 12 (0.28%) CentOS
9 9 (0.21%) Red Hat Enterprise Linux
10 8 (0.18%) Debian
11 6 (0.14%) Ubuntu
11 6 (0.14%) Windows Server 2008
12 5 (0.11%) Mac OS X
13 2 (0.046%) Android TV
13 2 (0.046%) Mac OS
14 1 (0.023%) AIX
14 1 (0.023%) Fedora
14 1 (0.023%) tvOS
14 1 (0.023%) Windows Phone
Processes & Methodologies
1 2,321 (53.38%) Agile Software Development
2 1,158 (26.63%) Software Engineering
3 979 (22.52%) TDD
4 908 (20.88%) Microservices
5 879 (20.22%) DevOps
6 696 (16.01%) Scrum
7 607 (13.96%) Test Automation
8 567 (13.04%) Front End Development
9 519 (11.94%) MVC
10 503 (11.57%) OO
11 466 (10.72%) BDD
12 455 (10.46%) Fintech
13 409 (9.41%) Web Development
14 391 (8.99%) Continuous Integration
15 387 (8.90%) Asset Management
16 327 (7.52%) Unit Testing
17 305 (7.01%) Analytics
18 291 (6.69%) Mentoring
19 265 (6.09%) Open Source
20 263 (6.05%) Computer Science
Programming Languages
1 1,246 (28.66%) Java
2 1,203 (27.67%) Python
3 998 (22.95%) C#
4 958 (22.03%) SQL
5 808 (18.58%) TypeScript
6 339 (7.80%) PHP
7 277 (6.37%) Go
8 245 (5.63%) Kotlin
9 229 (5.27%) Ruby
10 212 (4.88%) ES6
11 171 (3.93%) T-SQL
12 158 (3.63%) Scala
13 153 (3.52%) C++
14 129 (2.97%) PowerShell
15 119 (2.74%) Java 8
16 68 (1.56%) Bash Shell
17 64 (1.47%) Shell Script
18 59 (1.36%) Clojure
19 58 (1.33%) PL/SQL
20 50 (1.15%) R
Qualifications
1 391 (8.99%) Degree
2 132 (3.04%) Computer Science Degree
3 73 (1.68%) Security Cleared
4 59 (1.36%) SC Cleared
5 27 (0.62%) BPSS Clearance
6 22 (0.51%) ISTQB
7 17 (0.39%) Cisco Certification
7 17 (0.39%) ISEB
8 16 (0.37%) CCNA
8 16 (0.37%) Master's Degree
9 13 (0.30%) DV Cleared
10 8 (0.18%) ITIL Foundation Certificate
10 8 (0.18%) SANS
11 6 (0.14%) Microsoft Certification
12 4 (0.092%) PMI Certification
13 3 (0.069%) HND
13 3 (0.069%) Numerate Degree
13 3 (0.069%) PhD
13 3 (0.069%) Postgraduate
14 2 (0.046%) ISTQB Foundation Certification
Quality Assurance & Compliance
1 241 (5.54%) QA
2 19 (0.44%) NIST
3 13 (0.30%) WCAG
4 6 (0.14%) PSD2
5 5 (0.11%) MiFID
6 3 (0.069%) EMIR
6 3 (0.069%) GDPR
6 3 (0.069%) OIPF
7 2 (0.046%) SLA
8 1 (0.023%) Data Quality
8 1 (0.023%) ISO/IEC 27001
8 1 (0.023%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
8 1 (0.023%) PCI DSS
System Software
1 778 (17.89%) Docker
2 61 (1.40%) Active Directory
3 38 (0.87%) HDFS
4 20 (0.46%) VMware Infrastructure
5 8 (0.18%) Hyper-V
6 4 (0.092%) Kamailio
6 4 (0.092%) OpenSIPS
7 3 (0.069%) LXC
8 2 (0.046%) Virtual Machines
9 1 (0.023%) Gluster
9 1 (0.023%) Varnish
Systems Management
1 574 (13.20%) Kubernetes
2 301 (6.92%) Terraform
3 110 (2.53%) Ansible
4 71 (1.63%) Opscode Chef
5 54 (1.24%) Puppet
6 35 (0.80%) Grafana
7 27 (0.62%) Istio
8 25 (0.57%) Fortio
8 25 (0.57%) Kiali
9 23 (0.53%) ZABBIX
10 14 (0.32%) Kibana
10 14 (0.32%) Prometheus
11 10 (0.23%) Single Sign-On
12 7 (0.16%) Marathon
12 7 (0.16%) Mesos
13 3 (0.069%) HAProxy
13 3 (0.069%) HP UCMDB
13 3 (0.069%) Pingdom
13 3 (0.069%) Rancher
14 2 (0.046%) Docker Swarm
Vendors
1 363 (8.35%) Microsoft
2 192 (4.42%) Google
3 118 (2.71%) Oracle
4 102 (2.35%) Salesforce.com
5 56 (1.29%) Nintex
6 54 (1.24%) Atlassian
7 51 (1.17%) Adobe
8 44 (1.01%) ServiceNow
9 43 (0.99%) Talend
10 40 (0.92%) Informatica
10 40 (0.92%) VMware
11 38 (0.87%) Cloudera
12 30 (0.69%) SAP
13 25 (0.57%) Pega
13 25 (0.57%) Sitecore
14 19 (0.44%) Facebook
14 19 (0.44%) IBM
15 18 (0.41%) Siebel
15 18 (0.41%) Sparx
15 18 (0.41%) Xamarin