Job Vacancy Trend Salary Trend Salary Histogram Job Locations Skill Sets
Period
to 25 October 2021

The following table provides summary statistics for permanent job vacancies advertised in Central 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 25 October 2021 with a comparison to the same period in the previous 2 years.

JavaScript (including ECMAScript)
London > Central London
6 months to
25 Oct 2021		 Same period 2020 Same period 2019
Rank 11 10 10
Rank change year-on-year -1 0 -3
Permanent jobs citing JavaScript 958 674 1,925
As % of all permanent jobs advertised in Central London 14.00% 16.30% 15.29%
As % of the Programming Languages category 24.00% 26.71% 25.75%
Number of salaries quoted 849 580 1,714
10th Percentile £46,250 £47,500 £41,250
25th Percentile £53,750 £55,000 £52,500
Median annual salary (50th Percentile) £70,000 £67,500 £65,000
Median % change year-on-year +3.70% +3.85% +4.00%
75th Percentile £90,000 £82,500 £81,250
90th Percentile £102,500 £97,500 £93,750
London median annual salary £70,000 £67,500 £65,000
% change year-on-year +3.70% +3.85% +8.33%

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 Central London with a requirement for coding skills.

All Programming Languages
Central London
Permanent vacancies with a requirement for coding skills 3,991 2,523 7,477
As % of all permanent IT jobs advertised in Central London 58.34% 61.03% 59.39%
Number of salaries quoted 3,574 2,260 6,668
10th Percentile £46,825 £45,000 £42,500
25th Percentile £57,278 £55,000 £52,500
Median annual salary (50th Percentile) £75,000 £70,000 £67,500
Median % change year-on-year +7.14% +3.70% +3.85%
75th Percentile £95,000 £86,250 £82,500
90th Percentile £107,500 £103,750 £95,000
London median annual salary £72,500 £70,000 £65,000
% change year-on-year +3.57% +7.69% +4.00%

JavaScript
Job Vacancy Trend in Central London

Job postings citing JavaScript as a proportion of all IT jobs advertised in Central London.

Job vacancy trend for JavaScript in Central London

JavaScript
Salary Trend in Central London

3-month moving average salary quoted in jobs citing JavaScript in Central London.

Salary trend for JavaScript in Central London

JavaScript
Salary Histogram in Central London

Salary distribution for jobs citing JavaScript in Central London over the 6 months to 25 October 2021.

Salary histogram for JavaScript in Central London

JavaScript
Job Locations in Central London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing JavaScript within the Central London region over the 6 months to 25 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
City of London -2 850 £70,000 +3.70% 410
City of Westminster +2 27 £37,510 -44.43%
West End of London -16 8 £45,000 -21.74% 4
Camden -7 7 £55,000 -10.20% 4
Southwark -12 2 £40,000 -36.00%
Lambeth - 1 £29,000 -
JavaScript
London

For the 6 months to 25 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 Central London region with a requirement for JavaScript.

1 374 (39.04%) React
2 363 (37.89%) C#
3 357 (37.27%) Agile Software Development
4 338 (35.28%) HTML
5 323 (33.72%) CSS
6 315 (32.88%) .NET
7 260 (27.14%) Azure
8 253 (26.41%) AngularJS
9 240 (25.05%) Full Stack Development
10 230 (24.01%) Java
11 221 (23.07%) AWS
12 212 (22.13%) Finance
13 211 (22.03%) SQL
13 211 (22.03%) DevOps
14 207 (21.61%) TypeScript
14 207 (21.61%) SQL Server
14 207 (21.61%) Social Skills
15 189 (19.73%) Node.js
16 187 (19.52%) Python
17 181 (18.89%) HTML5
18 180 (18.79%) Software Engineering
19 174 (18.16%) Git (software)
19 174 (18.16%) Fintech
20 165 (17.22%) Microservices
21 161 (16.81%) REST
22 157 (16.39%) Docker
23 151 (15.76%) TDD
24 140 (14.61%) Web Services
25 134 (13.99%) QA
26 133 (13.88%) Test Automation

JavaScript
Co-occurring IT Skills in Central 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 49 (5.11%) SharePoint
2 43 (4.49%) Confluence
3 16 (1.67%) CMS
4 9 (0.94%) WordPress
5 8 (0.84%) Apache Spark
6 7 (0.73%) IIS
7 6 (0.63%) Drupal
7 6 (0.63%) Elasticsearch
7 6 (0.63%) EPiServer
8 5 (0.52%) nginx
9 4 (0.42%) Adobe Experience Manager
9 4 (0.42%) Apache Solr
10 2 (0.21%) Cloud Foundry
11 1 (0.10%) Appian
11 1 (0.10%) GemFire
11 1 (0.10%) GlassFish
11 1 (0.10%) OpenStack
11 1 (0.10%) Oracle SOA Suite
11 1 (0.10%) Tornado
11 1 (0.10%) WebSphere
Applications
1 12 (1.25%) Microsoft Office
2 7 (0.73%) InVision
2 7 (0.73%) Sketch
3 3 (0.31%) Adobe Illustrator
3 3 (0.31%) Photoshop
3 3 (0.31%) UXPin
4 2 (0.21%) Chatbot
4 2 (0.21%) MS Visio
5 1 (0.10%) Figma
5 1 (0.10%) Microsoft Excel
5 1 (0.10%) Microsoft PowerPoint
5 1 (0.10%) Zeplin
Business Applications
1 22 (2.30%) Dynamics CRM
2 7 (0.73%) Salesforce.com CRM
3 4 (0.42%) Sparx Enterprise Architect
4 2 (0.21%) Payment Gateway
5 1 (0.10%) Dynamics AX
5 1 (0.10%) IBM Operational Decision Manager
5 1 (0.10%) Magento
5 1 (0.10%) nopCommerce
5 1 (0.10%) Oracle BPM
5 1 (0.10%) Relativity
5 1 (0.10%) Sentinel
5 1 (0.10%) Temenos T24
Cloud Services
1 260 (27.14%) Azure
2 221 (23.07%) AWS
3 91 (9.50%) Serverless
4 79 (8.25%) SaaS
5 65 (6.78%) GCP
6 39 (4.07%) AWS Lambda
7 32 (3.34%) npm
8 29 (3.03%) PaaS
8 29 (3.03%) Power Platform
9 24 (2.51%) PowerApps
10 22 (2.30%) AWS CloudFormation
11 21 (2.19%) Power Automate
12 18 (1.88%) GitHub
13 17 (1.77%) Azure Service Bus
14 16 (1.67%) Azure Functions
15 15 (1.57%) Azure Key Vault
16 14 (1.46%) Microsoft 365
17 12 (1.25%) Azure Storage
18 11 (1.15%) Azure Logic Apps
18 11 (1.15%) IaaS
Communications & Networking
1 10 (1.04%) Extranet
2 9 (0.94%) HTTP
3 2 (0.21%) DNS
3 2 (0.21%) Firewall
3 2 (0.21%) Internet
3 2 (0.21%) TCP/IP
4 1 (0.10%) Broadband
4 1 (0.10%) Calico
4 1 (0.10%) Cisco ASA
4 1 (0.10%) DKIM
4 1 (0.10%) DMARC
4 1 (0.10%) Intrusion Detection
4 1 (0.10%) LAN
4 1 (0.10%) SMTP
4 1 (0.10%) VoIP
4 1 (0.10%) WAN
Database & Business Intelligence
1 207 (21.61%) SQL Server
2 60 (6.26%) NoSQL
3 39 (4.07%) MongoDB
4 26 (2.71%) MySQL
5 23 (2.40%) Azure SQL Database
6 22 (2.30%) Relational Database
6 22 (2.30%) SQL Server 2008
7 18 (1.88%) Power BI
8 15 (1.57%) Big Data
8 15 (1.57%) PostgreSQL
8 15 (1.57%) SQL Server Integration Services
9 11 (1.15%) Apache Cassandra
9 11 (1.15%) SQL Server 2016
10 9 (0.94%) Data Warehouse
11 8 (0.84%) Data Lake
11 8 (0.84%) Neo4j
11 8 (0.84%) RDBMS
11 8 (0.84%) Redis
11 8 (0.84%) Tableau
12 7 (0.73%) Hadoop
Development Applications
1 174 (18.16%) Git (software)
2 113 (11.80%) Jenkins
3 90 (9.39%) Cypress.io
4 80 (8.35%) Postman
5 78 (8.14%) Selenium
6 66 (6.89%) Cucumber
7 65 (6.78%) JIRA
8 33 (3.44%) TeamCity
9 26 (2.71%) Team Foundation Server
9 26 (2.71%) webpack
10 24 (2.51%) CircleCI
11 23 (2.40%) Jasmine
12 19 (1.98%) Grunt
12 19 (1.98%) SpecFlow
13 17 (1.77%) Protractor
14 16 (1.67%) Visual Studio Team System
15 14 (1.46%) Bitbucket
15 14 (1.46%) Bower
15 14 (1.46%) Visual Studio
16 12 (1.25%) NUnit
General
1 212 (22.13%) Finance
2 207 (21.61%) Social Skills
3 49 (5.11%) Banking
4 45 (4.70%) Retail
5 41 (4.28%) Front Office
6 30 (3.13%) Analytical Skills
7 29 (3.03%) Marketing
8 26 (2.71%) Organisational Skills
9 24 (2.51%) Advertising
10 13 (1.36%) Investment Banking
11 12 (1.25%) Public Sector
12 9 (0.94%) Legal
12 9 (0.94%) Manufacturing
12 9 (0.94%) Publishing
13 8 (0.84%) Games
14 7 (0.73%) Financial Institution
14 7 (0.73%) Pharmaceutical
15 6 (0.63%) Automotive
15 6 (0.63%) Inclusion and Diversity
15 6 (0.63%) Law
Job Titles
1 584 (60.96%) Developer
2 150 (15.66%) Senior Developer
3 112 (11.69%) Full Stack Developer
4 102 (10.65%) .NET Developer
5 89 (9.29%) Software Developer
6 82 (8.56%) Front End Developer (Client-Side Developer)
7 80 (8.35%) C# Developer
8 73 (7.62%) Software Engineer
9 69 (7.20%) JavaScript Developer
10 63 (6.58%) React Developer
11 58 (6.05%) Lead Developer
11 58 (6.05%) QA Engineer
12 55 (5.74%) C# .NET Developer
13 44 (4.59%) Architect
14 43 (4.49%) Java Developer
15 32 (3.34%) Senior Software Engineer
16 29 (3.03%) Test Engineer
17 27 (2.82%) Senior Software Developer
18 25 (2.61%) PHP Developer
18 25 (2.61%) Senior .NET Developer
Libraries, Frameworks & Software Standards
1 374 (39.04%) React
2 338 (35.28%) HTML
3 323 (33.72%) CSS
4 315 (32.88%) .NET
5 253 (26.41%) AngularJS
6 189 (19.73%) Node.js
7 181 (18.89%) HTML5
8 161 (16.81%) REST
9 140 (14.61%) Web Services
10 121 (12.63%) .NET Core
11 119 (12.42%) Vue.js
12 112 (11.69%) jQuery
13 104 (10.86%) .NET Framework
13 104 (10.86%) ASP.NET
14 70 (7.31%) ASP.NET Web API
15 69 (7.20%) Sass
16 63 (6.58%) CSS3
16 63 (6.58%) Entity Framework
16 63 (6.58%) Spring
17 57 (5.95%) RESTful
Miscellaneous
1 97 (10.13%) User Experience
2 72 (7.52%) Greenfield Project
3 42 (4.38%) Enterprise Software
4 36 (3.76%) Mobile App
5 28 (2.92%) Equities
6 23 (2.40%) N-Tier
7 18 (1.88%) Cloud Native
8 14 (1.46%) Hedge funds
9 10 (1.04%) Data Structures
9 10 (1.04%) Foreign Exchange (FX)
10 9 (0.94%) Management Information System
11 8 (0.84%) Social Media
12 7 (0.73%) Legacy Code
13 6 (0.63%) Algorithms
13 6 (0.63%) Client/Server
13 6 (0.63%) Life Science
13 6 (0.63%) Marketing Technology
14 5 (0.52%) Legacy Systems
14 5 (0.52%) SWIFT
14 5 (0.52%) Virtual Team
Operating Systems
1 76 (7.93%) Windows
2 46 (4.80%) Linux
3 12 (1.25%) Apple iOS
4 11 (1.15%) Android
5 6 (0.63%) Unix
6 5 (0.52%) VMS
6 5 (0.52%) Windows Server
7 4 (0.42%) Windows Server 2019
8 2 (0.21%) Solaris
9 1 (0.10%) Mac OS
Processes & Methodologies
1 357 (37.27%) Agile Software Development
2 240 (25.05%) Full Stack Development
3 211 (22.03%) DevOps
4 180 (18.79%) Software Engineering
5 174 (18.16%) Fintech
6 165 (17.22%) Microservices
7 151 (15.76%) TDD
8 133 (13.88%) Test Automation
9 106 (11.06%) Front End Development
9 106 (11.06%) OO
10 105 (10.96%) MVC
11 97 (10.13%) Mentoring
12 96 (10.02%) Continuous Integration
13 83 (8.66%) Analytics
14 80 (8.35%) API Testing
15 78 (8.14%) SDLC
16 77 (8.04%) Computer Science
16 77 (8.04%) Scrum
17 76 (7.93%) Multithreading
18 70 (7.31%) Web Development
Programming Languages
1 363 (37.89%) C#
2 230 (24.01%) Java
3 211 (22.03%) SQL
4 207 (21.61%) TypeScript
5 187 (19.52%) Python
6 78 (8.14%) PHP
7 61 (6.37%) C++
7 61 (6.37%) Ruby
8 59 (6.16%) T-SQL
9 52 (5.43%) Scala
10 51 (5.32%) Kotlin
11 43 (4.49%) Go
12 39 (4.07%) Bash Shell
13 38 (3.97%) Perl
14 36 (3.76%) ES6
15 34 (3.55%) PowerShell
16 25 (2.61%) R
16 25 (2.61%) VB.NET
17 23 (2.40%) Apple Swift
17 23 (2.40%) Dart
Qualifications
1 75 (7.83%) Degree
2 11 (1.15%) Computer Science Degree
2 11 (1.15%) Security Cleared
3 9 (0.94%) Master's Degree
3 9 (0.94%) SC Cleared
4 4 (0.42%) AWS Certification
5 3 (0.31%) CREST Certified
5 3 (0.31%) DBS Check
5 3 (0.31%) Microsoft Certification
5 3 (0.31%) OSCP
6 2 (0.21%) CTC Cleared
6 2 (0.21%) DV Cleared
6 2 (0.21%) SANS
7 1 (0.10%) GCFE
7 1 (0.10%) GCIA
7 1 (0.10%) GCIH
7 1 (0.10%) ISEB
7 1 (0.10%) OCP
7 1 (0.10%) Oracle Certification
7 1 (0.10%) PhD
Quality Assurance & Compliance
1 134 (13.99%) QA
2 28 (2.92%) Accessibility
3 5 (0.52%) Data Quality
4 3 (0.31%) PCI DSS
5 1 (0.10%) GDPR
5 1 (0.10%) ISO/IEC 27001
5 1 (0.10%) PMO
5 1 (0.10%) PSD2
System Software
1 157 (16.39%) Docker
2 6 (0.63%) Virtual Machines
3 5 (0.52%) Active Directory
3 5 (0.52%) Hyper-V
4 4 (0.42%) Apache ZooKeeper
5 2 (0.21%) ISA Server
6 1 (0.10%) VMware Infrastructure
6 1 (0.10%) Xen
Systems Management
1 92 (9.60%) Kubernetes
2 63 (6.58%) Terraform
3 34 (3.55%) Ansible
4 19 (1.98%) Opscode Chef
5 9 (0.94%) Puppet
6 3 (0.31%) HP Quality Center
7 2 (0.21%) Grafana
7 2 (0.21%) Salt
8 1 (0.10%) Automic
8 1 (0.10%) CASB
8 1 (0.10%) Consul
8 1 (0.10%) Kibana
8 1 (0.10%) Nessus
8 1 (0.10%) Nmap
8 1 (0.10%) Prometheus
8 1 (0.10%) Single Sign-On
Vendors
1 78 (8.14%) Microsoft
2 47 (4.91%) Salesforce.com
3 28 (2.92%) Oracle
4 27 (2.82%) Google
5 22 (2.30%) Atlassian
6 11 (1.15%) Workday
7 9 (0.94%) Adobe
8 7 (0.73%) Nintex
9 5 (0.52%) Databricks
9 5 (0.52%) IBM
10 4 (0.42%) Pega
10 4 (0.42%) Sitecore
10 4 (0.42%) Sparx
11 3 (0.31%) Dynatrace
11 3 (0.31%) HP
11 3 (0.31%) MuleSoft
12 2 (0.21%) Demandware
12 2 (0.21%) ServiceNow
12 2 (0.21%) VMware
12 2 (0.21%) Xamarin