Period
to 14 April 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 14 April 2021 with a comparison to the same period in the previous 2 years.

JavaScript (including ECMAScript)
England > London
6 months to
14 Apr 2021
Same period 2020 Same period 2019
Rank 7 7 6
Rank change year-on-year 0 -1 0
Permanent jobs citing JavaScript 5,641 7,864 9,447
As % of all permanent jobs advertised in London 18.26% 16.86% 15.47%
As % of the Programming Languages category 30.57% 29.89% 27.21%
Number of salaries quoted 4,562 6,862 7,958
10th Percentile £42,500 £41,250 £36,250
25th Percentile £53,750 £50,000 £47,500
Median annual salary (50th Percentile) £70,000 £67,500 £62,500
Median % change year-on-year +3.70% +8.00% +6.38%
75th Percentile £87,500 £85,000 £78,750
90th Percentile £106,250 £105,000 £92,500
England median annual salary £55,000 £52,500 £50,000
% change year-on-year +4.76% +5.00% +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 18,450 26,312 34,714
As % of all permanent IT jobs advertised in London 59.72% 56.41% 56.86%
Number of salaries quoted 14,978 22,010 29,421
10th Percentile £43,750 £41,250 £37,500
25th Percentile £55,000 £51,250 £47,500
Median annual salary (50th Percentile) £70,000 £67,500 £65,000
Median % change year-on-year +3.70% +3.85% +8.33%
75th Percentile £88,750 £85,000 £81,250
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 14 April 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 14 April 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 -2 894 £70,000 +3.70% 445
West London -1 137 £57,500 -4.17% 159
South London +5 128 £60,902 +21.80% 18
East London +5 29 £50,000 - 91
North London +15 7 £62,500 +13.64% 15
JavaScript
England

For the 6 months to 14 April 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 2,875 (50.97%) Agile Software Development
2 2,576 (45.67%) React
3 1,959 (34.73%) CSS
4 1,901 (33.70%) HTML
5 1,637 (29.02%) Software Engineering
6 1,575 (27.92%) Node.js
7 1,569 (27.81%) AWS
8 1,482 (26.27%) .NET
9 1,440 (25.53%) AngularJS
10 1,435 (25.44%) Finance
11 1,426 (25.28%) C#
12 1,423 (25.23%) Python
13 1,362 (24.14%) Java
14 1,340 (23.75%) TypeScript
15 1,237 (21.93%) Azure
16 1,209 (21.43%) Microservices
17 1,148 (20.35%) DevOps
18 1,133 (20.09%) SQL
19 1,100 (19.50%) Docker
20 1,092 (19.36%) TDD
21 895 (15.87%) Front End Development
22 871 (15.44%) Git (software)
23 824 (14.61%) Web Services
24 803 (14.24%) Test Automation
25 799 (14.16%) Scrum
26 765 (13.56%) Kubernetes
27 750 (13.30%) Vue.js
27 750 (13.30%) .NET Core
28 693 (12.29%) HTML5
29 662 (11.74%) REST

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
1 174 (3.08%) CMS
2 172 (3.05%) SharePoint
3 135 (2.39%) WordPress
4 121 (2.15%) Confluence
5 119 (2.11%) Elasticsearch
6 101 (1.79%) Apache
7 98 (1.74%) Apache Spark
8 73 (1.29%) Drupal
9 36 (0.64%) nginx
10 31 (0.55%) Tomcat
11 24 (0.43%) Umbraco
12 20 (0.35%) Sitecore CMS
13 19 (0.34%) Headless CMS
14 18 (0.32%) Apache Solr
15 17 (0.30%) Moodle
15 17 (0.30%) SAS
16 15 (0.27%) Adobe Experience Manager
16 15 (0.27%) IIS
17 13 (0.23%) Oracle SOA Suite
18 12 (0.21%) Cloud Foundry
Applications
1 86 (1.52%) Sketch
2 64 (1.13%) InVision
3 52 (0.92%) Photoshop
4 44 (0.78%) Figma
5 38 (0.67%) Microsoft Office
6 28 (0.50%) Chatbot
7 23 (0.41%) Adobe Creative Suite
8 21 (0.37%) Adobe XD
9 15 (0.27%) Adobe After Effects
9 15 (0.27%) Adobe Illustrator
10 11 (0.20%) Microsoft Excel
11 10 (0.18%) Zeplin
12 8 (0.14%) CINEMA 4D
13 7 (0.12%) UXPin
14 6 (0.11%) Revit
15 5 (0.089%) AutoCAD
15 5 (0.089%) Blender
15 5 (0.089%) GIMP
16 4 (0.071%) Fireworks
17 3 (0.053%) Flinto
Business Applications
1 163 (2.89%) Dynamics CRM
2 42 (0.74%) Shopify
3 32 (0.57%) Magento
4 13 (0.23%) Payment Gateway
5 11 (0.20%) NetSuite
5 11 (0.20%) Sparx Enterprise Architect
6 9 (0.16%) Remedy ITSM
7 7 (0.12%) R3 Corda
8 4 (0.071%) IBM Operational Decision Manager
9 3 (0.053%) Distributed Ledger
10 2 (0.035%) Maximo
10 2 (0.035%) Northgate Housing
10 2 (0.035%) Salesforce.com CRM
10 2 (0.035%) Sentinel
11 1 (0.018%) Academy Housing
11 1 (0.018%) Adaptiv
11 1 (0.018%) Dynamics AX
11 1 (0.018%) SAP ERP
11 1 (0.018%) StreamServe
11 1 (0.018%) Workday HCM
Cloud Services
1 1,569 (27.81%) AWS
2 1,237 (21.93%) Azure
3 625 (11.08%) Serverless
4 590 (10.46%) GCP
5 409 (7.25%) SaaS
6 277 (4.91%) AWS Lambda
7 269 (4.77%) GitHub
8 187 (3.32%) PaaS
9 168 (2.98%) Amazon S3
10 165 (2.93%) Power Platform
11 125 (2.22%) Azure Functions
12 124 (2.20%) Azure Active Directory
13 119 (2.11%) Amazon EC2
14 117 (2.07%) npm
15 102 (1.81%) Dynamics 365
16 84 (1.49%) Amazon SQS
17 83 (1.47%) PowerApps
18 72 (1.28%) AWS CloudFormation
19 65 (1.15%) IaaS
20 59 (1.05%) Amazon ECS
Communications & Networking
1 73 (1.29%) HTTP
2 64 (1.13%) Internet
3 19 (0.34%) Firewall
4 16 (0.28%) Broadband
4 16 (0.28%) SSL
4 16 (0.28%) VPN
5 15 (0.27%) DNS
5 15 (0.27%) Intranet
6 10 (0.18%) SSH
7 9 (0.16%) VoIP
8 8 (0.14%) Skype
9 7 (0.12%) Asterisk PBX
9 7 (0.12%) RTP
10 6 (0.11%) HTTPS
10 6 (0.11%) TCP/IP
11 5 (0.089%) Intrusion Detection
12 4 (0.071%) Extranet
12 4 (0.071%) Wi-Fi
12 4 (0.071%) Wireless
13 3 (0.053%) Ethernet
Database & Business Intelligence
1 544 (9.64%) SQL Server
2 428 (7.59%) MySQL
3 355 (6.29%) MongoDB
4 334 (5.92%) NoSQL
5 319 (5.66%) PostgreSQL
6 230 (4.08%) Relational Database
7 195 (3.46%) Redis
8 146 (2.59%) Amazon DynamoDB
9 116 (2.06%) Big Data
10 99 (1.76%) Power BI
11 75 (1.33%) Amazon RDS
12 73 (1.29%) Blockchain
13 68 (1.21%) SQL Server Reporting Services
14 65 (1.15%) Cosmos DB
15 60 (1.06%) SQL Server Integration Services
16 47 (0.83%) Hadoop
17 43 (0.76%) Apache Cassandra
18 42 (0.74%) Azure SQL Database
19 40 (0.71%) Apache Hive
20 36 (0.64%) RDBMS
Development Applications
1 871 (15.44%) Git (software)
2 362 (6.42%) Jenkins
3 315 (5.58%) Cypress.io
4 305 (5.41%) Selenium
5 284 (5.03%) webpack
6 283 (5.02%) JIRA
7 216 (3.83%) Cucumber
8 181 (3.21%) GitLab
9 152 (2.69%) Visual Studio
10 146 (2.59%) Mocha
11 139 (2.46%) TeamCity
12 135 (2.39%) Team Foundation Server
13 114 (2.02%) gulp
14 106 (1.88%) Visual Studio Team System
15 100 (1.77%) Grunt
16 99 (1.76%) Appium
16 99 (1.76%) CircleCI
17 96 (1.70%) Bitbucket
18 87 (1.54%) Maven
19 82 (1.45%) Storybook
General
1 1,435 (25.44%) Finance
2 452 (8.01%) Front Office
3 349 (6.19%) Banking
4 294 (5.21%) Marketing
5 293 (5.19%) Retail
6 260 (4.61%) Games
7 142 (2.52%) Public Sector
8 110 (1.95%) Advertising
9 78 (1.38%) Manufacturing
10 77 (1.37%) Investment Banking
11 74 (1.31%) Telecoms
12 51 (0.90%) Electronics
13 47 (0.83%) Legal
14 37 (0.66%) Law
14 37 (0.66%) Publishing
15 36 (0.64%) Back Office
15 36 (0.64%) Private Banking
16 32 (0.57%) Automotive
16 32 (0.57%) Financial Institution
17 24 (0.43%) Online Betting
Job Titles
1 3,682 (65.27%) Developer
2 839 (14.87%) Senior Developer
3 820 (14.54%) Software Engineer
4 749 (13.28%) React Developer
5 635 (11.26%) Full Stack Developer
6 624 (11.06%) JavaScript Developer
7 546 (9.68%) Front End Developer (Client-Side Developer)
8 517 (9.17%) .NET Developer
9 331 (5.87%) Developer/Software Engineer
10 319 (5.66%) Java Developer
11 292 (5.18%) C# Developer
12 230 (4.08%) JavaScript Engineer
13 216 (3.83%) Software Developer
14 207 (3.67%) Python Developer
15 201 (3.56%) Senior Software Engineer
16 181 (3.21%) Senior Front-End Developer
17 176 (3.12%) Angular Developer
18 173 (3.07%) Lead Developer
19 169 (3.00%) C# .NET Developer
20 166 (2.94%) .NET Software Engineer
Libraries, Frameworks & Software Standards
1 2,576 (45.67%) React
2 1,959 (34.73%) CSS
3 1,901 (33.70%) HTML
4 1,575 (27.92%) Node.js
5 1,482 (26.27%) .NET
6 1,440 (25.53%) AngularJS
7 824 (14.61%) Web Services
8 750 (13.30%) .NET Core
8 750 (13.30%) Vue.js
9 693 (12.29%) HTML5
10 662 (11.74%) REST
11 481 (8.53%) Redux
12 467 (8.28%) CSS3
13 461 (8.17%) React Native
14 432 (7.66%) jQuery
15 428 (7.59%) .NET Framework
16 420 (7.45%) ASP.NET
17 409 (7.25%) RESTful
18 406 (7.20%) GraphQL
19 377 (6.68%) ASP.NET Web API
Miscellaneous
1 643 (11.40%) User Experience
2 450 (7.98%) Greenfield Project
3 276 (4.89%) Fixed Income
4 274 (4.86%) Analytical Skills
5 263 (4.66%) Equities
6 256 (4.54%) Mobile App
7 248 (4.40%) Derivative
8 239 (4.24%) Hedge funds
9 227 (4.02%) Foreign Exchange (FX)
10 163 (2.89%) Blog
11 131 (2.32%) N-Tier
12 128 (2.27%) Algorithms
13 124 (2.20%) Self-Motivation
14 110 (1.95%) Social Media
15 109 (1.93%) Data Structures
16 107 (1.90%) Cloud Native
17 65 (1.15%) Virtual Team
18 50 (0.89%) Enterprise Software
19 46 (0.82%) Reinsurance
20 43 (0.76%) NHS
Operating Systems
1 319 (5.66%) Linux
2 202 (3.58%) Android
3 176 (3.12%) Apple iOS
4 145 (2.57%) Windows
5 107 (1.90%) Unix
6 22 (0.39%) Debian
7 16 (0.28%) Windows Server
8 12 (0.21%) Ubuntu
9 11 (0.20%) CentOS
9 11 (0.20%) Red Hat Enterprise Linux
10 8 (0.14%) VMS
11 6 (0.11%) Windows Server 2008
12 4 (0.071%) Android TV
13 3 (0.053%) tvOS
14 1 (0.018%) Fedora
14 1 (0.018%) Mac OS X
14 1 (0.018%) Solaris
14 1 (0.018%) Windows Phone
Processes & Methodologies
1 2,875 (50.97%) Agile Software Development
2 1,637 (29.02%) Software Engineering
3 1,209 (21.43%) Microservices
4 1,148 (20.35%) DevOps
5 1,092 (19.36%) TDD
6 895 (15.87%) Front End Development
7 803 (14.24%) Test Automation
8 799 (14.16%) Scrum
9 630 (11.17%) OO
10 596 (10.57%) Fintech
11 581 (10.30%) MVC
12 572 (10.14%) Web Development
13 535 (9.48%) Continuous Integration
14 487 (8.63%) BDD
15 485 (8.60%) Mentoring
16 472 (8.37%) Computer Science
17 422 (7.48%) Problem-Solving
18 414 (7.34%) Asset Management
19 394 (6.98%) Unit Testing
20 393 (6.97%) Analytics
Programming Languages
1 1,426 (25.28%) C#
2 1,423 (25.23%) Python
3 1,362 (24.14%) Java
4 1,340 (23.75%) TypeScript
5 1,133 (20.09%) SQL
6 495 (8.78%) PHP
7 382 (6.77%) ES6
8 321 (5.69%) Go
9 257 (4.56%) Ruby
10 228 (4.04%) Scala
11 216 (3.83%) Kotlin
12 208 (3.69%) T-SQL
13 184 (3.26%) PowerShell
14 181 (3.21%) C++
15 138 (2.45%) Java 8
16 88 (1.56%) Bash Shell
17 74 (1.31%) R
18 73 (1.29%) C
19 66 (1.17%) Groovy
20 57 (1.01%) ES7
Qualifications
1 645 (11.43%) Degree
2 235 (4.17%) Computer Science Degree
3 94 (1.67%) Security Cleared
4 70 (1.24%) SC Cleared
5 52 (0.92%) Master's Degree
6 25 (0.44%) DV Cleared
7 22 (0.39%) ITIL Foundation Certificate
7 22 (0.39%) SANS
8 15 (0.27%) PhD
9 14 (0.25%) ISTQB
9 14 (0.25%) Microsoft Certification
10 10 (0.18%) BPSS Clearance
10 10 (0.18%) PMI Certification
11 8 (0.14%) CIW
11 8 (0.14%) ISEB
11 8 (0.14%) Numerate Degree
11 8 (0.14%) OCA
11 8 (0.14%) OCP
11 8 (0.14%) Oracle Certification
12 4 (0.071%) MBA
Quality Assurance & Compliance
1 332 (5.89%) QA
2 27 (0.48%) WCAG
3 16 (0.28%) NIST
4 13 (0.23%) GDPR
5 8 (0.14%) SLA
6 6 (0.11%) Data Quality
7 4 (0.071%) ISO/IEC 27001
8 3 (0.053%) HIPAA
8 3 (0.053%) OIPF
8 3 (0.053%) WAI
9 2 (0.035%) GRC
9 2 (0.035%) PSD2
10 1 (0.018%) Actionable Recommendations
10 1 (0.018%) ISO 13485
10 1 (0.018%) PCI DSS
System Software
1 1,100 (19.50%) Docker
2 61 (1.08%) Active Directory
3 20 (0.35%) VMware Infrastructure
4 18 (0.32%) HDFS
5 8 (0.14%) Hyper-V
6 7 (0.12%) Kamailio
6 7 (0.12%) LXC
6 7 (0.12%) OpenSIPS
7 2 (0.035%) Firmware
7 2 (0.035%) VirtualBox
8 1 (0.018%) Apache ZooKeeper
8 1 (0.018%) Ceph
8 1 (0.018%) KVM
8 1 (0.018%) Virtual Machines
8 1 (0.018%) Xen
Systems Management
1 765 (13.56%) Kubernetes
2 399 (7.07%) Terraform
3 151 (2.68%) Ansible
4 121 (2.15%) Opscode Chef
5 61 (1.08%) Puppet
6 27 (0.48%) Istio
7 21 (0.37%) Fortio
7 21 (0.37%) Kiali
8 19 (0.34%) Grafana
9 15 (0.27%) Kibana
9 15 (0.27%) Prometheus
10 9 (0.16%) HP UCMDB
10 9 (0.16%) Single Sign-On
11 8 (0.14%) Docker Swarm
12 4 (0.071%) Marathon
12 4 (0.071%) Mesos
13 3 (0.053%) MIIS
14 2 (0.035%) Galera Cluster
14 2 (0.035%) HAProxy
14 2 (0.035%) logstash
Vendors
1 451 (8.00%) Microsoft
2 259 (4.59%) Google
3 137 (2.43%) Oracle
4 136 (2.41%) Salesforce.com
5 103 (1.83%) Adobe
6 93 (1.65%) Nintex
7 54 (0.96%) Atlassian
8 51 (0.90%) SAP
9 35 (0.62%) IBM
10 33 (0.59%) Xamarin
11 31 (0.55%) ServiceNow
12 30 (0.53%) VMware
13 28 (0.50%) Sitecore
14 27 (0.48%) Facebook
15 25 (0.44%) Splunk
16 24 (0.43%) Apple
17 20 (0.35%) Cloudera
17 20 (0.35%) Zend
18 19 (0.34%) Databricks
18 19 (0.34%) Talend