Period
to 26 July 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 26 July 2021 with a comparison to the same period in the previous 2 years.

JavaScript (including ECMAScript)
England > London
6 months to
26 Jul 2021
Same period 2020 Same period 2019
Rank 5 10 7
Rank change year-on-year +5 -3 0
Permanent jobs citing JavaScript 9,443 5,059 8,830
As % of all permanent jobs advertised in London 21.05% 17.22% 15.27%
As % of the Programming Languages category 34.20% 29.64% 27.24%
Number of salaries quoted 5,202 4,413 7,646
10th Percentile £44,314 £42,500 £37,500
25th Percentile £53,750 £52,500 £47,500
Median annual salary (50th Percentile) £70,000 £68,000 £65,000
Median % change year-on-year +2.94% +4.62% +8.33%
75th Percentile £88,750 £85,000 £80,000
90th Percentile £110,000 £107,250 £95,000
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 27,608 17,070 32,411
As % of all permanent IT jobs advertised in London 61.56% 58.11% 56.05%
Number of salaries quoted 17,556 14,221 27,574
10th Percentile £45,000 £42,500 £38,750
25th Percentile £55,000 £52,500 £48,750
Median annual salary (50th Percentile) £70,000 £70,000 £65,000
Median % change year-on-year - +7.69% +4.00%
75th Percentile £90,000 £87,500 £82,500
90th Percentile £107,500 £105,000 £97,500
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 26 July 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 26 July 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 -2 974 £70,000 - 525
West London +2 395 £63,825 +6.38% 172
South London +17 138 £57,500 +9.52% 26
East London -6 37 £58,750 +17.57% 105
North London +16 15 £62,500 +8.70% 12
JavaScript
England

For the 6 months to 26 July 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 5,503 (58.28%) React
2 4,393 (46.52%) Agile Software Development
3 3,395 (35.95%) CSS
4 3,318 (35.14%) HTML
5 3,199 (33.88%) Node.js
6 3,195 (33.83%) TypeScript
7 2,922 (30.94%) Software Engineering
8 2,798 (29.63%) AWS
9 2,483 (26.29%) Finance
10 2,393 (25.34%) Python
11 2,338 (24.76%) AngularJS
12 2,237 (23.69%) Java
13 1,996 (21.14%) Docker
14 1,962 (20.78%) C#
15 1,953 (20.68%) Git (software)
16 1,887 (19.98%) SQL
17 1,806 (19.13%) Front End Development
18 1,787 (18.92%) .NET
19 1,769 (18.73%) User Experience
20 1,762 (18.66%) TDD
21 1,735 (18.37%) Azure
22 1,691 (17.91%) Microservices
23 1,684 (17.83%) DevOps
24 1,647 (17.44%) Social Skills
25 1,488 (15.76%) Kubernetes
26 1,413 (14.96%) REST
27 1,339 (14.18%) Web Services
28 1,331 (14.10%) Vue.js
29 1,263 (13.37%) Test Automation
30 1,255 (13.29%) Serverless

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
1 362 (3.83%) Elasticsearch
2 361 (3.82%) CMS
3 223 (2.36%) WordPress
4 222 (2.35%) Apache
5 199 (2.11%) Confluence
6 166 (1.76%) SharePoint
7 146 (1.55%) Apache Spark
8 101 (1.07%) nginx
9 98 (1.04%) Drupal
10 79 (0.84%) Tomcat
11 47 (0.50%) IIS
12 46 (0.49%) Headless CMS
13 38 (0.40%) Apache Solr
14 34 (0.36%) Kentico
15 33 (0.35%) IBM Domino
16 32 (0.34%) Cloud Foundry
17 31 (0.33%) Oracle SOA Suite
18 26 (0.28%) Apache Airflow
19 23 (0.24%) Umbraco
20 22 (0.23%) Sitecore CMS
Applications
1 112 (1.19%) Sketch
2 75 (0.79%) Figma
2 75 (0.79%) Photoshop
3 73 (0.77%) InVision
4 59 (0.62%) Microsoft Office
5 44 (0.47%) Adobe Illustrator
6 40 (0.42%) Adobe XD
7 30 (0.32%) Chatbot
8 26 (0.28%) Microsoft Excel
9 19 (0.20%) Adobe Creative Suite
10 18 (0.19%) GIMP
11 14 (0.15%) UXPin
12 13 (0.14%) Adobe After Effects
13 7 (0.074%) Fireworks
13 7 (0.074%) Zeplin
14 6 (0.064%) Blender
14 6 (0.064%) CINEMA 4D
14 6 (0.064%) Microsoft PowerPoint
14 6 (0.064%) Revit
15 5 (0.053%) AutoCAD
Business Applications
1 147 (1.56%) Dynamics CRM
2 66 (0.70%) Magento
3 65 (0.69%) Shopify
4 43 (0.46%) Payment Gateway
5 12 (0.13%) NetSuite
6 10 (0.11%) Primavera
7 8 (0.085%) Remedy ITSM
8 6 (0.064%) Adobe Campaign
8 6 (0.064%) Salesforce.com CRM
8 6 (0.064%) WebTrends
9 5 (0.053%) IBM Operational Decision Manager
9 5 (0.053%) Sparx Enterprise Architect
10 4 (0.042%) SAP Hybris
10 4 (0.042%) Sentinel
11 3 (0.032%) Summit
12 2 (0.021%) Dynamics AX
12 2 (0.021%) MetaTrader
12 2 (0.021%) Northgate Housing
12 2 (0.021%) StreamServe
12 2 (0.021%) Unica
Cloud Services
1 2,798 (29.63%) AWS
2 1,735 (18.37%) Azure
3 1,255 (13.29%) Serverless
4 1,110 (11.75%) GCP
5 765 (8.10%) SaaS
6 719 (7.61%) AWS Lambda
7 640 (6.78%) GitHub
8 494 (5.23%) Amazon S3
9 312 (3.30%) npm
10 274 (2.90%) Amazon SQS
11 257 (2.72%) Amazon EC2
12 241 (2.55%) PaaS
13 187 (1.98%) Power Platform
14 164 (1.74%) AWS Step Functions
15 162 (1.72%) AWS CloudFormation
15 162 (1.72%) Heroku
16 150 (1.59%) Amazon ECS
17 133 (1.41%) Azure Functions
18 123 (1.30%) Cloud Computing
19 112 (1.19%) PowerApps
Communications & Networking
1 281 (2.98%) HTTP
2 176 (1.86%) Broadband
3 159 (1.68%) Internet
4 39 (0.41%) DNS
4 39 (0.41%) TCP/IP
5 35 (0.37%) Firewall
6 34 (0.36%) Skype
7 28 (0.30%) SSH
8 23 (0.24%) Bluetooth
9 17 (0.18%) SSL
10 16 (0.17%) DVB
10 16 (0.17%) Extranet
11 13 (0.14%) IPv4
11 13 (0.14%) SMTP
12 11 (0.12%) LAN
12 11 (0.12%) WAN
13 10 (0.11%) HTTPS
13 10 (0.11%) Network Security
13 10 (0.11%) VoIP
14 9 (0.095%) WebEx
Database & Business Intelligence
1 858 (9.09%) PostgreSQL
2 802 (8.49%) SQL Server
3 741 (7.85%) MySQL
4 710 (7.52%) MongoDB
5 674 (7.14%) NoSQL
6 488 (5.17%) Relational Database
7 422 (4.47%) Amazon DynamoDB
8 415 (4.39%) Redis
9 253 (2.68%) Amazon RDS
10 228 (2.41%) Big Data
11 121 (1.28%) Amazon Aurora
12 120 (1.27%) Power BI
13 101 (1.07%) RDBMS
14 78 (0.83%) Apache Cassandra
15 74 (0.78%) Blockchain
15 74 (0.78%) SQL Server Reporting Services
16 73 (0.77%) Apache Ignite
17 60 (0.64%) SQL Server Integration Services
18 59 (0.62%) BigQuery
18 59 (0.62%) Oracle Database
Development Applications
1 1,953 (20.68%) Git (software)
2 711 (7.53%) webpack
3 615 (6.51%) Jenkins
4 555 (5.88%) Cypress.io
5 520 (5.51%) JIRA
6 374 (3.96%) Selenium
7 286 (3.03%) CircleCI
8 252 (2.67%) gulp
9 232 (2.46%) GitLab
10 227 (2.40%) Mocha
11 218 (2.31%) Cucumber
12 190 (2.01%) Visual Studio
13 182 (1.93%) TeamCity
14 176 (1.86%) Babel
15 173 (1.83%) Jasmine
16 164 (1.74%) Postman
17 151 (1.60%) Bitbucket
18 148 (1.57%) Maven
19 142 (1.50%) Team Foundation Server
20 116 (1.23%) Storybook
General
1 2,483 (26.29%) Finance
2 1,647 (17.44%) Social Skills
3 691 (7.32%) Marketing
4 580 (6.14%) Retail
5 566 (5.99%) Banking
6 536 (5.68%) Front Office
6 536 (5.68%) Games
7 495 (5.24%) Analytical Skills
8 188 (1.99%) Inclusion and Diversity
9 185 (1.96%) Advertising
10 179 (1.90%) Public Sector
11 140 (1.48%) Legal
12 128 (1.36%) Manufacturing
13 118 (1.25%) Organisational Skills
14 112 (1.19%) Investment Banking
15 110 (1.16%) Financial Institution
16 107 (1.13%) Telecoms
17 87 (0.92%) Presentation Skills
17 87 (0.92%) Publishing
18 72 (0.76%) Law
Job Titles
1 5,568 (58.96%) Developer
2 1,449 (15.34%) Software Engineer
3 1,326 (14.04%) Senior Developer
4 1,104 (11.69%) Front End Developer (Client-Side Developer)
5 1,039 (11.00%) React Developer
6 998 (10.57%) Full Stack Developer
7 692 (7.33%) JavaScript Developer
8 542 (5.74%) .NET Developer
9 452 (4.79%) Senior Software Engineer
10 395 (4.18%) Developer/Software Engineer
10 395 (4.18%) Java Developer
11 359 (3.80%) Software Developer
12 331 (3.51%) Senior Front-End Developer
13 310 (3.28%) C# Developer
14 291 (3.08%) Lead Developer
15 279 (2.95%) Angular Developer
16 256 (2.71%) JavaScript Engineer
17 248 (2.63%) Python Developer
18 226 (2.39%) Backend Developer
19 212 (2.25%) PHP Developer
Libraries, Frameworks & Software Standards
1 5,503 (58.28%) React
2 3,395 (35.95%) CSS
3 3,318 (35.14%) HTML
4 3,199 (33.88%) Node.js
5 2,338 (24.76%) AngularJS
6 1,787 (18.92%) .NET
7 1,413 (14.96%) REST
8 1,339 (14.18%) Web Services
9 1,331 (14.10%) Vue.js
10 1,221 (12.93%) HTML5
11 1,071 (11.34%) GraphQL
12 1,052 (11.14%) Redux
13 882 (9.34%) RESTful
14 852 (9.02%) React Native
15 763 (8.08%) CSS3
16 748 (7.92%) .NET Core
17 723 (7.66%) Sass
18 668 (7.07%) Jest
19 609 (6.45%) Spring
20 589 (6.24%) jQuery
Miscellaneous
1 1,769 (18.73%) User Experience
2 592 (6.27%) Greenfield Project
3 527 (5.58%) Mobile App
4 395 (4.18%) Hedge funds
5 341 (3.61%) Fixed Income
6 337 (3.57%) Equities
7 325 (3.44%) Derivative
8 321 (3.40%) Algorithms
9 298 (3.16%) Self-Motivation
10 295 (3.12%) Foreign Exchange (FX)
11 267 (2.83%) Virtual Team
12 238 (2.52%) Blog
13 227 (2.40%) Data Structures
14 208 (2.20%) Social Media
15 193 (2.04%) Cloud Native
16 177 (1.87%) Legacy Systems
17 137 (1.45%) Video\Live Streaming
18 118 (1.25%) Enterprise Software
19 96 (1.02%) Client/Server
20 88 (0.93%) NHS
Operating Systems
1 558 (5.91%) Linux
2 372 (3.94%) Android
3 320 (3.39%) Apple iOS
4 304 (3.22%) Windows
5 209 (2.21%) Unix
6 19 (0.20%) Red Hat Enterprise Linux
7 17 (0.18%) Ubuntu
8 16 (0.17%) Debian
9 14 (0.15%) CentOS
9 14 (0.15%) Windows Server
10 9 (0.095%) Mesosphere
11 7 (0.074%) tvOS
12 4 (0.042%) Alpine Linux
12 4 (0.042%) Tizen
12 4 (0.042%) webOS
12 4 (0.042%) Windows 10
12 4 (0.042%) Windows Server 2019
13 3 (0.032%) Android TV
13 3 (0.032%) Solaris
13 3 (0.032%) Windows Server 2016
Processes & Methodologies
1 4,393 (46.52%) Agile Software Development
2 2,922 (30.94%) Software Engineering
3 1,806 (19.13%) Front End Development
4 1,762 (18.66%) TDD
5 1,691 (17.91%) Microservices
6 1,684 (17.83%) DevOps
7 1,263 (13.37%) Test Automation
8 1,145 (12.13%) Mentoring
9 1,075 (11.38%) Scrum
10 1,070 (11.33%) Problem-Solving
11 1,044 (11.06%) Continuous Integration
12 973 (10.30%) Computer Science
13 957 (10.13%) Web Development
14 895 (9.48%) Fintech
15 856 (9.06%) Analytics
16 791 (8.38%) OO
17 696 (7.37%) BDD
18 676 (7.16%) Asset Management
18 676 (7.16%) MVC
19 660 (6.99%) E-Commerce
Programming Languages
1 3,195 (33.83%) TypeScript
2 2,393 (25.34%) Python
3 2,237 (23.69%) Java
4 1,962 (20.78%) C#
5 1,887 (19.98%) SQL
6 924 (9.79%) PHP
7 862 (9.13%) ES6
8 521 (5.52%) Go
9 453 (4.80%) Scala
10 449 (4.75%) Ruby
11 372 (3.94%) Kotlin
12 330 (3.49%) C++
13 223 (2.36%) T-SQL
14 193 (2.04%) PowerShell
15 181 (1.92%) Java 8
16 175 (1.85%) C
17 168 (1.78%) Clojure
18 154 (1.63%) Bash Shell
19 137 (1.45%) ES7
20 128 (1.36%) Elm
Qualifications
1 1,072 (11.35%) Degree
2 499 (5.28%) Computer Science Degree
3 97 (1.03%) Security Cleared
4 96 (1.02%) Master's Degree
5 58 (0.61%) PhD
6 54 (0.57%) SC Cleared
7 43 (0.46%) Numerate Degree
8 40 (0.42%) AWS Certification
9 26 (0.28%) SANS
10 20 (0.21%) DV Cleared
11 19 (0.20%) Microsoft Certification
12 18 (0.19%) ITIL Foundation Certificate
13 11 (0.12%) ISTQB
14 10 (0.11%) MBA
15 8 (0.085%) ISEB
15 8 (0.085%) OCP
15 8 (0.085%) Oracle Certification
16 7 (0.074%) CFA
16 7 (0.074%) CIW
16 7 (0.074%) OCA
Quality Assurance & Compliance
1 723 (7.66%) QA
2 471 (4.99%) Accessibility
3 72 (0.76%) WCAG
4 52 (0.55%) GDPR
5 29 (0.31%) Data Quality
6 24 (0.25%) SLA
7 14 (0.15%) ISO/IEC 27001
7 14 (0.15%) WAI
8 11 (0.12%) PSD2
9 9 (0.095%) HIPAA
10 8 (0.085%) ISO 13485
10 8 (0.085%) PCI DSS
11 7 (0.074%) IEC 62304
12 5 (0.053%) GRC
12 5 (0.053%) HL7
13 2 (0.021%) NIST
14 1 (0.011%) Actionable Recommendations
14 1 (0.011%) PMO
14 1 (0.011%) SOC 2
System Software
1 1,996 (21.14%) Docker
2 32 (0.34%) Active Directory
3 28 (0.30%) Apache ZooKeeper
4 14 (0.15%) ISA Server
5 11 (0.12%) etcd
6 10 (0.11%) LXC
7 9 (0.095%) HDFS
8 8 (0.085%) Firmware
9 7 (0.074%) Ceph
9 7 (0.074%) Varnish
10 6 (0.064%) VirtualBox
11 5 (0.053%) VMware Infrastructure
12 4 (0.042%) Hyper-V
12 4 (0.042%) Kamailio
12 4 (0.042%) OpenSIPS
12 4 (0.042%) Virtual Machines
13 2 (0.021%) Xen
14 1 (0.011%) KVM
14 1 (0.011%) NFS
Systems Management
1 1,488 (15.76%) Kubernetes
2 817 (8.65%) Terraform
3 200 (2.12%) Ansible
4 152 (1.61%) Opscode Chef
5 81 (0.86%) Grafana
6 76 (0.80%) Puppet
7 49 (0.52%) Istio
8 48 (0.51%) Prometheus
9 34 (0.36%) Kibana
10 30 (0.32%) Opsgenie
11 27 (0.29%) Graphite
12 26 (0.28%) Graylog
13 24 (0.25%) Docker Swarm
13 24 (0.25%) Hadoop YARN
13 24 (0.25%) logstash
14 22 (0.23%) Consul
15 12 (0.13%) Bugsnag
16 10 (0.11%) Single Sign-On
17 9 (0.095%) Automic
17 9 (0.095%) SCCM
Vendors
1 717 (7.59%) Google
2 616 (6.52%) Microsoft
3 273 (2.89%) Oracle
4 190 (2.01%) Adobe
5 166 (1.76%) Salesforce.com
6 91 (0.96%) Apple
7 75 (0.79%) IBM
8 67 (0.71%) Splunk
9 64 (0.68%) Atlassian
10 60 (0.64%) Sony
11 56 (0.59%) SAP
12 55 (0.58%) Spotify
13 53 (0.56%) Nintex
14 46 (0.49%) Facebook
14 46 (0.49%) Samsung
15 42 (0.44%) YouTube
16 40 (0.42%) ServiceNow
17 39 (0.41%) Sitecore
18 37 (0.39%) New Relic
19 36 (0.38%) Xamarin