Period
to 5 August 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 5 August 2020 with a comparison to the same period in the previous 2 years.

JavaScript (including ECMAScript)
England > London
6 months to
5 Aug 2020
Same period 2019 Same period 2018
Rank 9 7 6
Rank change year-on-year -2 -1 0
Permanent jobs citing JavaScript 4,686 8,655 11,279
As % of all permanent jobs advertised in London 17.12% 15.27% 16.14%
As % of the Programming Languages category 29.31% 27.23% 28.45%
Number of salaries quoted 4,439 7,998 9,844
Median annual salary £67,500 £65,000 £60,000
Median salary % change year-on-year +3.85% +8.33% +4.35%
10th Percentile £42,500 £37,500 £36,250
90th Percentile £105,000 £95,000 £90,000
England median annual salary £53,000 £50,000 £47,500
% change year-on-year +6.00% +5.26% +5.56%

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 15,990 31,789 39,645
As % of all permanent IT jobs advertised in London 58.42% 56.07% 56.72%
Number of salaries quoted 13,126 26,771 32,608
Median annual salary £70,000 £65,000 £62,500
Median salary % change year-on-year +7.69% +4.00% +4.17%
10th Percentile £42,500 £38,750 £37,500
90th Percentile £106,250 £97,500 £93,750
England median annual salary £55,000 £52,500 £50,000
% change year-on-year +4.76% +5.00% +5.26%

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 5 August 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 5 August 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 0 975 £70,000 +7.69% 177
West London -2 181 £60,000 +9.09% 59
South London -19 64 £52,500 - 9
East London +10 62 £49,971 -9.14% 32
North London -14 14 £57,500 +4.55% 6
JavaScript
England

For the 6 months to 5 August 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 2,374 (50.66%) Agile Software Development
2 1,947 (41.55%) React
3 1,721 (36.73%) HTML
4 1,623 (34.64%) CSS
5 1,547 (33.01%) AngularJS
6 1,463 (31.22%) Node.js
7 1,459 (31.14%) AWS
8 1,342 (28.64%) Java
9 1,323 (28.23%) C#
10 1,221 (26.06%) .NET
11 1,179 (25.16%) Finance
12 1,102 (23.52%) TDD
13 1,092 (23.30%) Software Engineering
14 1,088 (23.22%) Python
15 1,045 (22.30%) Azure
16 974 (20.79%) Microservices
17 914 (19.50%) TypeScript
18 821 (17.52%) SQL
19 817 (17.43%) DevOps
20 788 (16.82%) Docker
20 788 (16.82%) Git (software)
21 776 (16.56%) Vue.js
22 753 (16.07%) Scrum
23 735 (15.69%) SQL Server
24 709 (15.13%) Front End Development
25 687 (14.66%) ASP.NET
26 678 (14.47%) Web Services
27 675 (14.40%) BDD
28 653 (13.94%) MVC
29 603 (12.87%) Fintech

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
1 304 (6.49%) Elasticsearch
2 132 (2.82%) CMS
3 124 (2.65%) Confluence
4 75 (1.60%) WordPress
5 66 (1.41%) Apache Spark
6 48 (1.02%) SharePoint
7 44 (0.94%) Apache
8 43 (0.92%) EPiServer
9 34 (0.73%) IIS
10 30 (0.64%) Umbraco
11 29 (0.62%) nginx
12 28 (0.60%) Drupal
13 26 (0.55%) Sitecore CMS
14 19 (0.41%) Kentico
15 17 (0.36%) DNN
15 17 (0.36%) Immediacy CMS
15 17 (0.36%) Moodle
15 17 (0.36%) Sitefinity
16 16 (0.34%) SAS
17 15 (0.32%) Adobe Experience Manager
Applications
1 44 (0.94%) Sketch
2 34 (0.73%) Photoshop
3 31 (0.66%) Adobe Illustrator
4 27 (0.58%) Chatbot
4 27 (0.58%) Zeplin
5 26 (0.55%) InVision
6 24 (0.51%) Figma
7 12 (0.26%) Microsoft Excel
8 6 (0.13%) Adobe Creative Suite
9 5 (0.11%) Adobe XD
9 5 (0.11%) Microsoft Office
10 3 (0.064%) Blender
10 3 (0.064%) MS Visio
11 2 (0.043%) Fireworks
11 2 (0.043%) Inkscape
11 2 (0.043%) Spreadsheet
12 1 (0.021%) Adobe Premiere
12 1 (0.021%) InfoPath
12 1 (0.021%) OmniGraffle
12 1 (0.021%) SPSS
Business Applications
1 39 (0.83%) Dynamics CRM
2 37 (0.79%) FINCAD Analytics
3 34 (0.73%) Magento
4 27 (0.58%) Payment Gateway
5 21 (0.45%) Shopify
6 13 (0.28%) Adobe Campaign
6 13 (0.28%) Distributed Ledger
7 10 (0.21%) R3 Corda
8 3 (0.064%) Remedy ITSM
9 2 (0.043%) NetSuite
9 2 (0.043%) OpenText MBPM
9 2 (0.043%) Oracle Applications
9 2 (0.043%) Oracle BPM
9 2 (0.043%) Oracle CRM On Demand
9 2 (0.043%) Salesforce.com CRM
9 2 (0.043%) StreamServe
10 1 (0.021%) Eikon
10 1 (0.021%) Oracle Payables
10 1 (0.021%) Oracle Receivables
10 1 (0.021%) SAP Hybris
Cloud Services
1 1,459 (31.14%) AWS
2 1,045 (22.30%) Azure
3 449 (9.58%) GCP
4 289 (6.17%) Serverless
5 260 (5.55%) SaaS
6 165 (3.52%) AWS Lambda
7 138 (2.94%) GitHub
8 96 (2.05%) Amazon S3
9 90 (1.92%) Amazon EC2
10 81 (1.73%) Power Platform
11 76 (1.62%) npm
12 66 (1.41%) OpenShift
13 56 (1.20%) Cloud Computing
14 52 (1.11%) AWS CloudFormation
15 49 (1.05%) Google Analytics
16 42 (0.90%) PaaS
17 38 (0.81%) Heroku
18 35 (0.75%) Amazon SQS
19 31 (0.66%) Dynamics 365
20 30 (0.64%) Amazon ECS
Communications & Networking
1 128 (2.73%) Internet
2 64 (1.37%) HTTP
3 39 (0.83%) Firewall
4 29 (0.62%) TCP/IP
5 21 (0.45%) Wireshark
6 14 (0.30%) SSL
7 12 (0.26%) Intranet
7 12 (0.26%) VPN
8 9 (0.19%) VoIP
9 8 (0.17%) SSH
10 7 (0.15%) Kerberos
11 5 (0.11%) 3GPP
11 5 (0.11%) 5G
11 5 (0.11%) Skype
12 4 (0.085%) AMQP
12 4 (0.085%) DSL
12 4 (0.085%) Network Security
12 4 (0.085%) Reverse Proxy
13 3 (0.064%) Bluetooth
13 3 (0.064%) ZigBee
Database & Business Intelligence
1 735 (15.69%) SQL Server
2 505 (10.78%) MongoDB
3 392 (8.37%) NoSQL
4 313 (6.68%) MySQL
5 268 (5.72%) PostgreSQL
6 227 (4.84%) SQL Server 2019
7 161 (3.44%) Redis
8 151 (3.22%) Relational Database
9 133 (2.84%) Big Data
10 107 (2.28%) Amazon DynamoDB
11 84 (1.79%) Hadoop
12 71 (1.52%) Power BI
13 64 (1.37%) SQL Server Integration Services
14 59 (1.26%) Apache Cassandra
15 58 (1.24%) SQL Server Reporting Services
16 55 (1.17%) SQL Server Analysis Services
17 50 (1.07%) Blockchain
18 47 (1.00%) Amazon RDS
19 46 (0.98%) Amazon Athena
20 37 (0.79%) Microsoft Analysis Services
Development Applications
1 788 (16.82%) Git (software)
2 302 (6.44%) Jenkins
3 232 (4.95%) JIRA
4 224 (4.78%) webpack
5 198 (4.23%) Cucumber
6 195 (4.16%) Selenium
7 140 (2.99%) TeamCity
8 133 (2.84%) Mocha
9 113 (2.41%) Jasmine
10 109 (2.33%) Visual Studio
11 102 (2.18%) Cypress.io
12 95 (2.03%) JUnit
13 81 (1.73%) Maven
14 78 (1.66%) CircleCI
15 72 (1.54%) Octopus Deploy
16 70 (1.49%) Bitbucket
17 69 (1.47%) gulp
18 59 (1.26%) GitLab
18 59 (1.26%) Grunt
19 52 (1.11%) RStudio
General
1 1,179 (25.16%) Finance
2 415 (8.86%) Front Office
3 414 (8.83%) Banking
4 233 (4.97%) Retail
5 210 (4.48%) Marketing
6 184 (3.93%) Games
7 172 (3.67%) Investment Banking
8 109 (2.33%) Law
9 83 (1.77%) Advertising
10 69 (1.47%) Public Sector
11 67 (1.43%) Financial Institution
12 49 (1.05%) Legal
13 41 (0.87%) Publishing
14 33 (0.70%) Telecoms
15 29 (0.62%) Manufacturing
16 18 (0.38%) Retail Banking
17 14 (0.30%) Electronics
18 13 (0.28%) Back Office
19 12 (0.26%) Billing
20 11 (0.23%) Automotive
Job Titles
1 3,083 (65.79%) Developer
2 599 (12.78%) .NET Developer
3 545 (11.63%) Senior Developer
4 525 (11.20%) Front End Developer (Client-Side Developer)
5 523 (11.16%) Full Stack Developer
6 520 (11.10%) JavaScript Developer
7 430 (9.18%) React Developer
8 429 (9.15%) Software Engineer
9 367 (7.83%) C# Developer
10 339 (7.23%) Java Developer
11 260 (5.55%) C# .NET Developer
12 227 (4.84%) Python Developer
13 225 (4.80%) AWS Engineer
14 190 (4.05%) AWS Developer
15 180 (3.84%) JavaScript Engineer
16 173 (3.69%) Lead Developer
17 165 (3.52%) Developer/Software Engineer
17 165 (3.52%) Node.js Developer
18 153 (3.27%) Python Engineer
19 147 (3.14%) Senior Front-End Developer
Libraries, Frameworks & Software Standards
1 1,947 (41.55%) React
2 1,721 (36.73%) HTML
3 1,623 (34.64%) CSS
4 1,547 (33.01%) AngularJS
5 1,463 (31.22%) Node.js
6 1,221 (26.06%) .NET
7 776 (16.56%) Vue.js
8 687 (14.66%) ASP.NET
9 678 (14.47%) Web Services
10 583 (12.44%) .NET Core
11 567 (12.10%) HTML5
12 542 (11.57%) Redux
13 452 (9.65%) REST
14 435 (9.28%) ASP.NET Web API
15 419 (8.94%) .NET Framework
16 390 (8.32%) RESTful
17 379 (8.09%) ASP.NET MVC
18 377 (8.05%) jQuery
19 352 (7.51%) Sass
20 345 (7.36%) CSS3
Miscellaneous
1 457 (9.75%) User Experience
2 420 (8.96%) Greenfield Project
3 359 (7.66%) Hedge funds
4 305 (6.51%) Derivative
5 299 (6.38%) Fixed Income
6 227 (4.84%) Analytical Skills
7 206 (4.40%) Equities
8 182 (3.88%) Foreign Exchange (FX)
8 182 (3.88%) Mobile App
9 98 (2.09%) Self-Motivation
10 91 (1.94%) Enterprise Software
11 90 (1.92%) Algorithms
12 68 (1.45%) Data Structures
13 63 (1.34%) Cloud Native
14 52 (1.11%) Blog
15 45 (0.96%) Public Cloud
16 41 (0.87%) Social Media
17 40 (0.85%) Linux Command Line
18 33 (0.70%) Tandem
19 31 (0.66%) Client/Server
Operating Systems
1 365 (7.79%) Linux
2 193 (4.12%) Windows
3 148 (3.16%) Android
3 148 (3.16%) Apple iOS
4 133 (2.84%) Unix
5 24 (0.51%) Mac OS X
6 20 (0.43%) Ubuntu
7 11 (0.23%) VMS
8 8 (0.17%) CentOS
8 8 (0.17%) Mac OS
9 6 (0.13%) Windows Server
10 4 (0.085%) CoreOS
11 2 (0.043%) Red Hat Enterprise Linux
12 1 (0.021%) AIX
12 1 (0.021%) Android TV
12 1 (0.021%) Kali Linux
12 1 (0.021%) tvOS
12 1 (0.021%) Windows 7
12 1 (0.021%) Windows Server 2008
12 1 (0.021%) Windows Server 2012
Processes & Methodologies
1 2,374 (50.66%) Agile Software Development
2 1,102 (23.52%) TDD
3 1,092 (23.30%) Software Engineering
4 974 (20.79%) Microservices
5 817 (17.43%) DevOps
6 753 (16.07%) Scrum
7 709 (15.13%) Front End Development
8 675 (14.40%) BDD
9 653 (13.94%) MVC
10 603 (12.87%) Fintech
11 557 (11.89%) Test Automation
12 445 (9.50%) OO
13 417 (8.90%) Web Development
14 402 (8.58%) Continuous Integration
15 374 (7.98%) Analytics
16 373 (7.96%) Asset Management
17 363 (7.75%) Problem-Solving
18 357 (7.62%) Computer Science
19 351 (7.49%) Kanban
20 321 (6.85%) Artificial Intelligence
Programming Languages
1 1,342 (28.64%) Java
2 1,323 (28.23%) C#
3 1,088 (23.22%) Python
4 914 (19.50%) TypeScript
5 821 (17.52%) SQL
6 407 (8.69%) PHP
7 316 (6.74%) ES6
8 244 (5.21%) Ruby
9 190 (4.05%) C++
10 182 (3.88%) Go
11 177 (3.78%) Kotlin
12 157 (3.35%) Scala
13 128 (2.73%) Java 8
13 128 (2.73%) T-SQL
14 71 (1.52%) C
15 63 (1.34%) PowerShell
16 61 (1.30%) Bash Shell
17 59 (1.26%) R
18 52 (1.11%) PL/SQL
19 49 (1.05%) Shell Script
Qualifications
1 432 (9.22%) Degree
2 182 (3.88%) Computer Science Degree
3 73 (1.56%) Security Cleared
4 53 (1.13%) SC Cleared
5 25 (0.53%) ISTQB
6 24 (0.51%) Master's Degree
7 18 (0.38%) Numerate Degree
8 17 (0.36%) BPSS Clearance
9 14 (0.30%) ISEB
10 12 (0.26%) DV Cleared
11 11 (0.23%) CCNA
11 11 (0.23%) Cisco Certification
12 9 (0.19%) Microsoft Certification
12 9 (0.19%) PhD
13 7 (0.15%) AWS Certification
14 6 (0.13%) DBS Check
15 4 (0.085%) MCP
16 3 (0.064%) CISSP
16 3 (0.064%) CSSLP
16 3 (0.064%) ITIL Foundation Certificate
Quality Assurance & Compliance
1 324 (6.91%) QA
2 9 (0.19%) NIST
3 7 (0.15%) GDPR
3 7 (0.15%) ISO/IEC 27001
4 4 (0.085%) Data Quality
5 3 (0.064%) MiFID
5 3 (0.064%) PCI DSS
6 2 (0.043%) SLA
7 1 (0.021%) EMIR
7 1 (0.021%) ISO 8583
7 1 (0.021%) WCAG
System Software
1 788 (16.82%) Docker
2 22 (0.47%) Active Directory
3 16 (0.34%) HDFS
4 4 (0.085%) vSphere
5 3 (0.064%) Time Sharing Option
5 3 (0.064%) Varnish
5 3 (0.064%) VirtualBox
6 2 (0.043%) Firmware
6 2 (0.043%) LXC
6 2 (0.043%) Virtual Machines
6 2 (0.043%) VMware Infrastructure
7 1 (0.021%) Apache ZooKeeper
7 1 (0.021%) Postfix
Systems Management
1 586 (12.51%) Kubernetes
2 269 (5.74%) Terraform
3 135 (2.88%) Ansible
4 57 (1.22%) Puppet
5 39 (0.83%) Opscode Chef
6 29 (0.62%) Istio
7 22 (0.47%) Kibana
8 14 (0.30%) Grafana
8 14 (0.30%) Single Sign-On
9 12 (0.26%) Prometheus
10 10 (0.21%) ZABBIX
11 9 (0.19%) CA Service Virtualization
12 8 (0.17%) HP Quality Center
12 8 (0.17%) Marathon
12 8 (0.17%) Mesos
12 8 (0.17%) Packer
13 6 (0.13%) logstash
13 6 (0.13%) Pingdom
14 5 (0.11%) Docker Swarm
14 5 (0.11%) Rancher
Vendors
1 391 (8.34%) Microsoft
2 287 (6.12%) Google
3 156 (3.33%) Oracle
4 93 (1.98%) Salesforce.com
5 91 (1.94%) ServiceNow
6 69 (1.47%) Adobe
7 46 (0.98%) Bloomberg
8 41 (0.87%) SAP
9 35 (0.75%) Apple
10 26 (0.55%) Sitecore
11 25 (0.53%) Zend
12 21 (0.45%) Splunk
13 19 (0.41%) Facebook
13 19 (0.41%) Talend
14 18 (0.38%) Cloudera
15 17 (0.36%) Alterian
15 17 (0.36%) Informatica
15 17 (0.36%) Tableau
16 15 (0.32%) Databricks
17 14 (0.30%) New Relic