Period
to 19 October 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 19 October 2021 with a comparison to the same period in the previous 2 years.

JavaScript (including ECMAScript)
England > London
6 months to
19 Oct 2021
Same period 2020 Same period 2019
Rank 6 9 9
Rank change year-on-year +3 0 -2
Permanent jobs citing JavaScript 10,444 3,533 8,173
As % of all permanent jobs advertised in London 20.69% 18.03% 15.04%
As % of the Programming Languages category 34.01% 29.49% 26.80%
Number of salaries quoted 5,466 3,087 7,109
10th Percentile £45,000 £45,000 £38,000
25th Percentile £53,750 £53,750 £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 £90,000 £86,250 £81,250
90th Percentile £115,000 £115,000 £95,250
England median annual salary £56,000 £55,000 £50,000
% change year-on-year +1.82% +10.00% -

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 30,709 11,979 30,496
As % of all permanent IT jobs advertised in London 60.83% 61.14% 56.13%
Number of salaries quoted 18,981 10,324 25,643
10th Percentile £45,000 £45,000 £38,750
25th Percentile £55,000 £53,750 £50,000
Median annual salary (50th Percentile) £72,500 £70,000 £65,000
Median % change year-on-year +3.57% +7.69% +4.00%
75th Percentile £91,250 £87,500 £85,000
90th Percentile £110,000 £110,000 £100,000
England median annual salary £60,000 £57,000 £52,500
% change year-on-year +5.26% +8.57% +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 19 October 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 19 October 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 -1 957 £70,000 +3.70% 454
West London +3 494 £67,500 +22.73% 154
South London +10 135 £60,000 - 28
East London -13 42 £72,500 +38.10% 137
North London -12 11 £59,250 +12.86% 16
JavaScript
England

For the 6 months to 19 October 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 5,999 (57.44%) React
2 4,851 (46.45%) Agile Software Development
3 3,695 (35.38%) HTML
4 3,671 (35.15%) TypeScript
5 3,668 (35.12%) Node.js
6 3,643 (34.88%) CSS
7 3,370 (32.27%) Full Stack Development
8 3,206 (30.70%) Software Engineering
9 3,192 (30.56%) AWS
10 2,843 (27.22%) Finance
11 2,723 (26.07%) Python
12 2,537 (24.29%) Java
13 2,439 (23.35%) AngularJS
14 2,368 (22.67%) Docker
15 2,228 (21.33%) Git (software)
16 2,088 (19.99%) SQL
17 2,067 (19.79%) C#
18 2,050 (19.63%) User Experience
19 2,007 (19.22%) TDD
20 1,959 (18.76%) Azure
21 1,930 (18.48%) Social Skills
22 1,922 (18.40%) Front End Development
23 1,824 (17.46%) DevOps
24 1,809 (17.32%) .NET
25 1,806 (17.29%) Kubernetes
26 1,707 (16.34%) Microservices
27 1,604 (15.36%) REST
28 1,544 (14.78%) Test Automation
29 1,512 (14.48%) Web Services
30 1,445 (13.84%) 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
1 503 (4.82%) CMS
2 424 (4.06%) Elasticsearch
3 271 (2.59%) Apache
4 268 (2.57%) WordPress
5 226 (2.16%) Confluence
6 137 (1.31%) Apache Spark
7 111 (1.06%) SharePoint
8 103 (0.99%) nginx
9 88 (0.84%) Drupal
10 78 (0.75%) Tomcat
11 57 (0.55%) Headless CMS
12 53 (0.51%) IIS
13 45 (0.43%) IBM Domino
14 38 (0.36%) Kentico
15 35 (0.34%) Apache Solr
16 33 (0.32%) Apache Airflow
17 30 (0.29%) Umbraco
18 27 (0.26%) Sitecore CMS
19 25 (0.24%) Cloud Foundry
19 25 (0.24%) EPiServer
Applications
1 104 (1.00%) Sketch
2 97 (0.93%) Figma
3 75 (0.72%) Photoshop
4 73 (0.70%) Microsoft Office
5 57 (0.55%) Microsoft Excel
6 56 (0.54%) InVision
7 50 (0.48%) Adobe Illustrator
8 45 (0.43%) Adobe XD
9 26 (0.25%) Chatbot
10 21 (0.20%) GIMP
11 15 (0.14%) Adobe Creative Suite
12 13 (0.12%) Microsoft PowerPoint
13 7 (0.067%) UXPin
13 7 (0.067%) Zeplin
14 5 (0.048%) Adobe Premiere
14 5 (0.048%) Final Cut Pro
14 5 (0.048%) Fireworks
15 3 (0.029%) InDesign
15 3 (0.029%) MS Visio
16 2 (0.019%) Adobe After Effects
Business Applications
1 101 (0.97%) Dynamics CRM
2 75 (0.72%) Shopify
3 73 (0.70%) Magento
4 67 (0.64%) Payment Gateway
5 17 (0.16%) NetSuite
6 15 (0.14%) Summit
7 14 (0.13%) Adobe Campaign
8 12 (0.11%) Sentinel
8 12 (0.11%) WebTrends
9 11 (0.11%) Salesforce.com CRM
10 10 (0.096%) Primavera
11 8 (0.077%) Distributed Ledger
12 7 (0.067%) SAP Hybris
13 6 (0.057%) R3 Corda
14 5 (0.048%) Sparx Enterprise Architect
15 3 (0.029%) Dynamics AX
15 3 (0.029%) Remedy ITSM
15 3 (0.029%) SAP S/4HANA
16 2 (0.019%) StreamServe
16 2 (0.019%) Unica
Cloud Services
1 3,192 (30.56%) AWS
2 1,959 (18.76%) Azure
3 1,445 (13.84%) Serverless
4 1,303 (12.48%) GCP
5 850 (8.14%) AWS Lambda
6 802 (7.68%) SaaS
7 791 (7.57%) GitHub
8 617 (5.91%) Amazon S3
9 372 (3.56%) npm
10 338 (3.24%) Amazon SQS
11 273 (2.61%) Amazon EC2
12 244 (2.34%) AWS Step Functions
13 224 (2.14%) PaaS
14 192 (1.84%) Heroku
15 178 (1.70%) AWS CloudFormation
16 153 (1.46%) Amazon ECS
17 147 (1.41%) Power Platform
18 142 (1.36%) Cloud Computing
19 121 (1.16%) OpenShift
20 110 (1.05%) Azure Functions
Communications & Networking
1 396 (3.79%) HTTP
2 278 (2.66%) Broadband
3 190 (1.82%) Internet
4 74 (0.71%) TCP/IP
5 51 (0.49%) DNS
6 41 (0.39%) Bluetooth
7 37 (0.35%) Skype
8 36 (0.34%) Firewall
9 34 (0.33%) DVB
10 32 (0.31%) SSH
11 18 (0.17%) IPv4
11 18 (0.17%) SMTP
12 16 (0.15%) DHCP
12 16 (0.15%) MQTT
12 16 (0.15%) WebEx
13 15 (0.14%) SMS
14 14 (0.13%) Extranet
14 14 (0.13%) HTTPS
15 12 (0.11%) LAN
15 12 (0.11%) Network Security
Database & Business Intelligence
1 989 (9.47%) PostgreSQL
2 931 (8.91%) SQL Server
3 809 (7.75%) MySQL
4 780 (7.47%) NoSQL
5 772 (7.39%) MongoDB
6 552 (5.29%) Amazon DynamoDB
7 513 (4.91%) Relational Database
8 483 (4.62%) Redis
9 304 (2.91%) Amazon RDS
10 231 (2.21%) Big Data
11 163 (1.56%) Amazon Aurora
12 149 (1.43%) RDBMS
13 123 (1.18%) Blockchain
14 105 (1.01%) Apache Ignite
15 94 (0.90%) Power BI
16 88 (0.84%) Apache Cassandra
17 73 (0.70%) Oracle Database
18 69 (0.66%) Data Warehouse
19 66 (0.63%) Amazon Athena
19 66 (0.63%) Azure SQL Database
Development Applications
1 2,228 (21.33%) Git (software)
2 794 (7.60%) Jenkins
2 794 (7.60%) webpack
3 638 (6.11%) Cypress.io
4 589 (5.64%) JIRA
5 496 (4.75%) Selenium
6 296 (2.83%) CircleCI
7 292 (2.80%) GitLab
8 266 (2.55%) Postman
9 236 (2.26%) gulp
10 233 (2.23%) Mocha
11 231 (2.21%) Jasmine
12 219 (2.10%) Cucumber
13 197 (1.89%) TeamCity
14 195 (1.87%) Team Foundation Server
15 186 (1.78%) Octopus Deploy
16 178 (1.70%) Bitbucket
17 171 (1.64%) Babel
18 168 (1.61%) NUnit
19 144 (1.38%) Maven
General
1 2,843 (27.22%) Finance
2 1,930 (18.48%) Social Skills
3 751 (7.19%) Marketing
4 621 (5.95%) Analytical Skills
5 588 (5.63%) Retail
6 576 (5.52%) Front Office
7 567 (5.43%) Banking
8 514 (4.92%) Games
9 232 (2.22%) Inclusion and Diversity
10 222 (2.13%) Advertising
11 159 (1.52%) Public Sector
12 140 (1.34%) Legal
13 127 (1.22%) Publishing
14 126 (1.21%) Financial Institution
15 125 (1.20%) Investment Banking
16 118 (1.13%) Manufacturing
17 116 (1.11%) Organisational Skills
18 108 (1.03%) Law
19 93 (0.89%) Pharmaceutical
20 91 (0.87%) Telecoms
Job Titles
1 5,953 (57.00%) Developer
2 1,678 (16.07%) Software Engineer
3 1,417 (13.57%) Senior Developer
4 1,166 (11.16%) Front End Developer (Client-Side Developer)
5 1,130 (10.82%) Full Stack Developer
6 1,102 (10.55%) React Developer
7 651 (6.23%) JavaScript Developer
8 537 (5.14%) Developer/Software Engineer
9 494 (4.73%) .NET Developer
10 480 (4.60%) Senior Software Engineer
11 441 (4.22%) Java Developer
12 421 (4.03%) Software Developer
13 381 (3.65%) Lead Developer
14 320 (3.06%) Senior Front-End Developer
15 308 (2.95%) Python Developer
16 299 (2.86%) C# Developer
17 290 (2.78%) Python Engineer
18 268 (2.57%) Angular Developer
19 253 (2.42%) Backend Developer
19 253 (2.42%) PHP Developer
Libraries, Frameworks & Software Standards
1 5,999 (57.44%) React
2 3,695 (35.38%) HTML
3 3,668 (35.12%) Node.js
4 3,643 (34.88%) CSS
5 2,439 (23.35%) AngularJS
6 1,809 (17.32%) .NET
7 1,604 (15.36%) REST
8 1,512 (14.48%) Web Services
9 1,388 (13.29%) Vue.js
10 1,376 (13.18%) HTML5
11 1,199 (11.48%) Redux
12 1,170 (11.20%) GraphQL
13 979 (9.37%) RESTful
14 872 (8.35%) React Native
15 813 (7.78%) CSS3
16 762 (7.30%) Sass
17 723 (6.92%) Jest
18 710 (6.80%) Spring
19 677 (6.48%) .NET Core
20 648 (6.20%) jQuery
Miscellaneous
1 2,050 (19.63%) User Experience
2 648 (6.20%) Greenfield Project
3 574 (5.50%) Mobile App
4 416 (3.98%) Hedge funds
5 368 (3.52%) Algorithms
6 351 (3.36%) Equities
7 321 (3.07%) Self-Motivation
8 308 (2.95%) Fixed Income
9 300 (2.87%) Foreign Exchange (FX)
10 297 (2.84%) Virtual Team
11 288 (2.76%) Derivative
12 265 (2.54%) Social Media
13 256 (2.45%) Blog
14 253 (2.42%) Cloud Native
15 239 (2.29%) Data Structures
16 193 (1.85%) Enterprise Software
17 149 (1.43%) Video\Live Streaming
18 135 (1.29%) Legacy Systems
19 100 (0.96%) Client/Server
20 91 (0.87%) Legacy Code
Operating Systems
1 624 (5.97%) Linux
2 389 (3.72%) Android
3 367 (3.51%) Apple iOS
3 367 (3.51%) Windows
4 213 (2.04%) Unix
5 24 (0.23%) Red Hat Enterprise Linux
6 19 (0.18%) Mac OS
7 17 (0.16%) Mesosphere
8 16 (0.15%) CentOS
9 14 (0.13%) Ubuntu
10 12 (0.11%) Windows Server
11 11 (0.11%) VMS
12 10 (0.096%) Alpine Linux
12 10 (0.096%) Solaris
13 4 (0.038%) Tizen
13 4 (0.038%) tvOS
13 4 (0.038%) webOS
13 4 (0.038%) Windows 10
13 4 (0.038%) Windows Server 2019
14 3 (0.029%) Debian
Processes & Methodologies
1 4,851 (46.45%) Agile Software Development
2 3,370 (32.27%) Full Stack Development
3 3,206 (30.70%) Software Engineering
4 2,007 (19.22%) TDD
5 1,922 (18.40%) Front End Development
6 1,824 (17.46%) DevOps
7 1,707 (16.34%) Microservices
8 1,544 (14.78%) Test Automation
9 1,333 (12.76%) Problem-Solving
10 1,319 (12.63%) Mentoring
11 1,254 (12.01%) Continuous Integration
12 1,177 (11.27%) Scrum
13 1,080 (10.34%) Computer Science
14 1,066 (10.21%) Analytics
15 985 (9.43%) Web Development
16 958 (9.17%) Fintech
17 827 (7.92%) SDLC
18 767 (7.34%) OO
19 753 (7.21%) BDD
20 746 (7.14%) Asset Management
Programming Languages
1 3,671 (35.15%) TypeScript
2 2,723 (26.07%) Python
3 2,537 (24.29%) Java
4 2,088 (19.99%) SQL
5 2,067 (19.79%) C#
6 1,075 (10.29%) PHP
7 897 (8.59%) ES6
8 585 (5.60%) Go
9 509 (4.87%) Ruby
10 463 (4.43%) Scala
11 444 (4.25%) Kotlin
12 371 (3.55%) C++
13 225 (2.15%) C
14 224 (2.14%) Bash Shell
15 207 (1.98%) Clojure
16 189 (1.81%) T-SQL
17 188 (1.80%) PowerShell
18 183 (1.75%) Java 8
19 157 (1.50%) ES7
20 137 (1.31%) Perl
Qualifications
1 1,096 (10.49%) Degree
2 527 (5.05%) Computer Science Degree
3 88 (0.84%) Master's Degree
4 79 (0.76%) Security Cleared
5 65 (0.62%) Numerate Degree
6 61 (0.58%) AWS Certification
7 55 (0.53%) PhD
8 43 (0.41%) SC Cleared
9 27 (0.26%) ISTQB
10 25 (0.24%) ISEB
10 25 (0.24%) SANS
11 13 (0.12%) Microsoft Certification
12 9 (0.086%) GCFA
12 9 (0.086%) GCIA
12 9 (0.086%) GCIH
13 7 (0.067%) CFA
13 7 (0.067%) DBS Check
13 7 (0.067%) GCFE
13 7 (0.067%) ISTQB Foundation Certification
14 6 (0.057%) MBA
Quality Assurance & Compliance
1 950 (9.10%) QA
2 534 (5.11%) Accessibility
3 72 (0.69%) WCAG
4 61 (0.58%) GDPR
5 43 (0.41%) Data Quality
6 26 (0.25%) SLA
7 19 (0.18%) WAI
8 17 (0.16%) ISO/IEC 27001
9 15 (0.14%) PSD2
10 10 (0.096%) HIPAA
11 7 (0.067%) GRC
11 7 (0.067%) IEC 62304
11 7 (0.067%) ISO 13485
11 7 (0.067%) NIST
11 7 (0.067%) PCI DSS
12 6 (0.057%) HL7
13 5 (0.048%) SOC 2
14 4 (0.038%) NIST 800
15 1 (0.010%) DICOM
15 1 (0.010%) PMO
System Software
1 2,368 (22.67%) Docker
2 31 (0.30%) Apache ZooKeeper
3 25 (0.24%) Active Directory
4 17 (0.16%) ISA Server
5 15 (0.14%) Virtual Machines
6 11 (0.11%) etcd
6 11 (0.11%) Varnish
7 8 (0.077%) VMware Infrastructure
8 7 (0.067%) Firmware
9 6 (0.057%) Ceph
10 5 (0.048%) Hyper-V
10 5 (0.048%) VirtualBox
11 4 (0.038%) HDFS
12 3 (0.029%) LXC
13 1 (0.010%) FreeRADIUS
13 1 (0.010%) Xen
Systems Management
1 1,806 (17.29%) Kubernetes
2 978 (9.36%) Terraform
3 259 (2.48%) Ansible
4 173 (1.66%) Grafana
5 119 (1.14%) Opscode Chef
6 88 (0.84%) Puppet
7 76 (0.73%) Prometheus
8 53 (0.51%) Kibana
9 46 (0.44%) Opsgenie
10 45 (0.43%) logstash
11 44 (0.42%) Istio
12 32 (0.31%) Graphite
13 31 (0.30%) Consul
14 30 (0.29%) Graylog
15 29 (0.28%) Hadoop YARN
16 24 (0.23%) Docker Swarm
17 19 (0.18%) ZABBIX
18 17 (0.16%) Automic
19 16 (0.15%) MIIS
19 16 (0.15%) Single Sign-On
Vendors
1 952 (9.12%) Google
2 622 (5.96%) Microsoft
3 321 (3.07%) Oracle
4 212 (2.03%) Adobe
5 204 (1.95%) Salesforce.com
6 113 (1.08%) Apple
7 91 (0.87%) Splunk
8 78 (0.75%) LexisNexis
9 77 (0.74%) Atlassian
10 70 (0.67%) Spotify
11 68 (0.65%) New Relic
12 67 (0.64%) YouTube
13 63 (0.60%) Sony
14 61 (0.58%) IBM
15 52 (0.50%) Samsung
16 50 (0.48%) Facebook
17 49 (0.47%) Red Hat
17 49 (0.47%) SAP
17 49 (0.47%) Sitecore
18 47 (0.45%) Bloomberg