Job Vacancy Trend Salary Trend Salary Histogram Job Locations Skill Sets
Period
to 14 April 2021

The following table provides summary statistics for permanent job vacancies advertised in the City of 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)
Central London > City of London
6 months to
14 Apr 2021		 Same period 2020 Same period 2019
Rank 10 8 6
Rank change year-on-year -2 -2 +1
Permanent jobs citing JavaScript 759 1,253 1,740
As % of all permanent jobs advertised in the City of London 15.63% 14.79% 16.98%
As % of the Programming Languages category 25.17% 26.52% 27.43%
Number of salaries quoted 707 1,112 1,519
10th Percentile £45,000 £43,750 £38,950
25th Percentile £57,500 £51,813 £51,250
Median annual salary (50th Percentile) £71,000 £66,500 £65,000
Median % change year-on-year +6.77% +2.31% +8.33%
75th Percentile £87,500 £82,813 £81,250
90th Percentile £97,500 £95,000 £95,000
Central 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 the City of London with a requirement for coding skills.

All Programming Languages
City of London
Permanent vacancies with a requirement for coding skills 3,015 4,725 6,344
As % of all permanent IT jobs advertised in the City of London 62.08% 55.77% 61.90%
Number of salaries quoted 2,772 4,224 5,744
10th Percentile £45,000 £43,750 £40,250
25th Percentile £56,250 £52,500 £51,250
Median annual salary (50th Percentile) £75,000 £70,000 £67,500
Median % change year-on-year +7.14% +3.70% +8.00%
75th Percentile £90,000 £85,313 £82,500
90th Percentile £108,750 £105,000 £96,250
Central London median annual salary £72,500 £70,000 £65,000
% change year-on-year +3.57% +7.69% +8.33%

JavaScript
Job Vacancy Trend in the City of London

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

Job vacancy trend for JavaScript in the City of London

JavaScript
Salary Trend in the City of London

3-month moving average salary quoted in jobs citing JavaScript in the City of London.

Salary trend for JavaScript in the City of London

JavaScript
Salary Histogram in the City of London

Salary distribution for jobs citing JavaScript in the City of London over the 6 months to 14 April 2021.

Salary histogram for JavaScript in the City of London

JavaScript
Job Locations in the City of London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing JavaScript within the City of 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
London Bridge +8 9 £55,000 -4.35%
Moorgate +1 1 £50,000 -23.08%
JavaScript
Central London

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 City of London region with a requirement for JavaScript.

1 375 (49.41%) Agile Software Development
2 355 (46.77%) CSS
3 344 (45.32%) React
4 263 (34.65%) C#
4 263 (34.65%) SQL
5 262 (34.52%) HTML
6 261 (34.39%) .NET
7 260 (34.26%) Azure
8 237 (31.23%) DevOps
9 230 (30.30%) Microservices
10 207 (27.27%) Test Automation
11 191 (25.16%) OO
12 190 (25.03%) AngularJS
13 189 (24.90%) Node.js
14 182 (23.98%) Degree
15 178 (23.45%) AWS
16 177 (23.32%) Finance
17 173 (22.79%) Java
18 171 (22.53%) TypeScript
19 163 (21.48%) Python
20 152 (20.03%) .NET Core
21 151 (19.89%) MVC
22 149 (19.63%) SQL Server
23 148 (19.50%) jQuery
24 144 (18.97%) CRM
25 139 (18.31%) Continuous Integration
26 137 (18.05%) .NET Framework
26 137 (18.05%) Software Engineering
27 132 (17.39%) Twitter Bootstrap
28 124 (16.34%) Web Services

JavaScript
Co-occurring IT Skills in the City of 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
1 119 (15.68%) SharePoint
2 20 (2.64%) WordPress
3 17 (2.24%) Apache Spark
4 16 (2.11%) CMS
5 14 (1.84%) Apache
6 9 (1.19%) Drupal
6 9 (1.19%) Elasticsearch
6 9 (1.19%) Moodle
7 7 (0.92%) Confluence
7 7 (0.92%) SAS
8 3 (0.40%) Adobe Experience Manager
8 3 (0.40%) EPiServer
8 3 (0.40%) GlassFish
8 3 (0.40%) JBoss
8 3 (0.40%) OpenStack
8 3 (0.40%) WebSphere
9 2 (0.26%) Cloud Foundry
9 2 (0.26%) Mendix
9 2 (0.26%) nginx
9 2 (0.26%) Tomcat
Applications
1 7 (0.92%) InVision
1 7 (0.92%) Sketch
2 3 (0.40%) Adobe Illustrator
3 2 (0.26%) Photoshop
4 1 (0.13%) Adobe Premiere
4 1 (0.13%) Adobe XD
4 1 (0.13%) Figma
4 1 (0.13%) Microsoft Excel
4 1 (0.13%) Microsoft Office
4 1 (0.13%) OmniGraffle
Business Applications
1 121 (15.94%) Dynamics CRM
2 10 (1.32%) Sparx Enterprise Architect
3 6 (0.79%) R3 Corda
4 5 (0.66%) Shopify
5 4 (0.53%) Magento
6 3 (0.40%) IBM Operational Decision Manager
Cloud Services
1 260 (34.26%) Azure
2 178 (23.45%) AWS
3 90 (11.86%) PaaS
4 72 (9.49%) Azure Active Directory
5 66 (8.70%) Power Platform
6 49 (6.46%) Dynamics 365
6 49 (6.46%) SaaS
7 47 (6.19%) Serverless
8 41 (5.40%) PowerApps
9 26 (3.43%) GCP
10 21 (2.77%) Azure Functions
11 20 (2.64%) AWS Lambda
12 19 (2.50%) GitHub
13 15 (1.98%) Amazon Kinesis
14 14 (1.84%) BrowserStack
15 13 (1.71%) Power Automate
16 12 (1.58%) npm
17 11 (1.45%) Logic Apps
18 9 (1.19%) Microsoft 365
19 7 (0.92%) Cloud Computing
Communications & Networking
1 14 (1.84%) HTTP
2 5 (0.66%) Internet
3 4 (0.53%) Extranet
3 4 (0.53%) Firewall
4 1 (0.13%) Intranet
4 1 (0.13%) Wi-Fi
Database & Business Intelligence
1 149 (19.63%) SQL Server
2 67 (8.83%) NoSQL
3 56 (7.38%) MySQL
4 42 (5.53%) SQL Server Integration Services
5 37 (4.87%) SQL Server Reporting Services
6 33 (4.35%) Relational Database
7 32 (4.22%) Big Data
8 28 (3.69%) PostgreSQL
9 27 (3.56%) Power BI
10 25 (3.29%) Apache Hive
10 25 (3.29%) Hadoop
11 22 (2.90%) MongoDB
12 14 (1.84%) Azure SQL Database
13 12 (1.58%) Oracle Database
14 11 (1.45%) BusinessObjects
15 8 (1.05%) Blockchain
15 8 (1.05%) Data Lake
16 7 (0.92%) Amazon DynamoDB
16 7 (0.92%) Impala
16 7 (0.92%) Pentaho
Development Applications
1 99 (13.04%) Git (software)
2 94 (12.38%) Team Foundation Server
3 89 (11.73%) Visual Studio Team System
4 64 (8.43%) Jenkins
5 56 (7.38%) Cucumber
6 53 (6.98%) Selenium
7 52 (6.85%) Cypress.io
8 47 (6.19%) Visual Studio
9 26 (3.43%) Postman
10 23 (3.03%) CircleCI
11 22 (2.90%) JIRA
12 21 (2.77%) Appium
13 20 (2.64%) TestCafe
13 20 (2.64%) webpack
14 15 (1.98%) GitLab
15 13 (1.71%) Protractor
16 11 (1.45%) TeamCity
17 10 (1.32%) Travis CI
18 6 (0.79%) Octopus Deploy
18 6 (0.79%) Visual Studio Coded UI
General
1 177 (23.32%) Finance
2 54 (7.11%) Banking
3 35 (4.61%) Private Banking
4 30 (3.95%) Marketing
5 16 (2.11%) Front Office
6 14 (1.84%) Back Office
6 14 (1.84%) Retail
7 11 (1.45%) Law
7 11 (1.45%) Public Sector
8 10 (1.32%) Games
9 8 (1.05%) Telecoms
10 7 (0.92%) Advertising
11 6 (0.79%) Online Betting
12 4 (0.53%) Financial Institution
13 3 (0.40%) Investment Banking
13 3 (0.40%) Manufacturing
14 2 (0.26%) Housing Association
14 2 (0.26%) Publishing
15 1 (0.13%) Brand Awareness
15 1 (0.13%) Music Industry
Job Titles
1 444 (58.50%) Developer
2 150 (19.76%) Senior Developer
3 110 (14.49%) C# Developer
4 83 (10.94%) .NET Developer
5 82 (10.80%) Azure Developer
6 76 (10.01%) Full Stack Developer
7 71 (9.35%) Senior C# Developer
8 60 (7.91%) C# .NET Developer
9 59 (7.77%) Front End Developer (Client-Side Developer)
9 59 (7.77%) Software Engineer
10 53 (6.98%) Software Developer
11 52 (6.85%) React Developer
12 48 (6.32%) JavaScript Developer
12 48 (6.32%) SQL Developer
13 47 (6.19%) Senior .NET Developer
14 46 (6.06%) Java Developer
15 44 (5.80%) ASP.NET MVC Developer
15 44 (5.80%) Senior C# .NET Developer
15 44 (5.80%) Senior SQL Developer
16 40 (5.27%) Technical Leader
Libraries, Frameworks & Software Standards
1 355 (46.77%) CSS
2 344 (45.32%) React
3 262 (34.52%) HTML
4 261 (34.39%) .NET
5 190 (25.03%) AngularJS
6 189 (24.90%) Node.js
7 152 (20.03%) .NET Core
8 148 (19.50%) jQuery
9 137 (18.05%) .NET Framework
10 132 (17.39%) Twitter Bootstrap
11 124 (16.34%) Web Services
12 119 (15.68%) ASP.NET Web API
13 116 (15.28%) Entity Framework
14 106 (13.97%) HTML5
15 85 (11.20%) REST
16 71 (9.35%) ASP.NET
17 67 (8.83%) CSS3
18 64 (8.43%) Vue.js
19 60 (7.91%) GraphQL
20 59 (7.77%) XML
Miscellaneous
1 99 (13.04%) N-Tier
2 65 (8.56%) Analytical Skills
3 56 (7.38%) User Experience
4 52 (6.85%) Greenfield Project
5 45 (5.93%) Reinsurance
6 27 (3.56%) Data Structures
7 19 (2.50%) Algorithms
8 16 (2.11%) Mobile App
9 14 (1.84%) Foreign Exchange (FX)
9 14 (1.84%) Social Media
10 12 (1.58%) Cloud Native
11 10 (1.32%) Public Cloud
12 9 (1.19%) Hedge funds
13 8 (1.05%) Blog
13 8 (1.05%) Self-Motivation
13 8 (1.05%) Virtual Team
14 7 (0.92%) Derivative
14 7 (0.92%) Enterprise Software
15 6 (0.79%) Fixed Income
16 5 (0.66%) Management Information System
Operating Systems
1 27 (3.56%) Linux
2 17 (2.24%) Android
2 17 (2.24%) Apple iOS
3 14 (1.84%) Windows
4 11 (1.45%) Unix
5 2 (0.26%) Windows Server
Processes & Methodologies
1 375 (49.41%) Agile Software Development
2 237 (31.23%) DevOps
3 230 (30.30%) Microservices
4 207 (27.27%) Test Automation
5 191 (25.16%) OO
6 151 (19.89%) MVC
7 144 (18.97%) CRM
8 139 (18.31%) Continuous Integration
9 137 (18.05%) Software Engineering
10 115 (15.15%) SOLID
11 103 (13.57%) Scrum
12 102 (13.44%) SOA
13 100 (13.18%) Deployment Automation
13 100 (13.18%) UML
14 96 (12.65%) Mentoring
15 92 (12.12%) Fintech
16 89 (11.73%) Computer Science
17 86 (11.33%) Don't repeat yourself (DRY)
17 86 (11.33%) Web Development
18 82 (10.80%) TDD
Programming Languages
1 263 (34.65%) C#
1 263 (34.65%) SQL
2 173 (22.79%) Java
3 171 (22.53%) TypeScript
4 163 (21.48%) Python
5 103 (13.57%) PowerShell
6 96 (12.65%) T-SQL
7 70 (9.22%) PHP
8 50 (6.59%) ES6
9 44 (5.80%) Kotlin
10 37 (4.87%) Scala
11 33 (4.35%) Go
12 24 (3.16%) Java 8
12 24 (3.16%) Ruby
13 22 (2.90%) C++
14 20 (2.64%) Perl
15 17 (2.24%) Bash Shell
16 11 (1.45%) C
16 11 (1.45%) ES7
17 10 (1.32%) R
Qualifications
1 182 (23.98%) Degree
2 69 (9.09%) Computer Science Degree
3 16 (2.11%) SC Cleared
3 16 (2.11%) Security Cleared
4 11 (1.45%) Master's Degree
5 8 (1.05%) DV Cleared
6 6 (0.79%) ISEB
6 6 (0.79%) ISTQB
7 3 (0.40%) SANS
8 2 (0.26%) PhD
9 1 (0.13%) Microsoft Certification
9 1 (0.13%) Numerate Degree
Quality Assurance & Compliance
1 64 (8.43%) QA
2 3 (0.40%) WCAG
3 2 (0.26%) GDPR
3 2 (0.26%) PSD2
System Software
1 103 (13.57%) Docker
2 8 (1.05%) HDFS
3 6 (0.79%) Active Directory
4 4 (0.53%) VMware Infrastructure
5 1 (0.13%) Virtual Machines
5 1 (0.13%) Xen
Systems Management
1 102 (13.44%) Terraform
2 80 (10.54%) Opscode Chef
3 71 (9.35%) Kubernetes
4 14 (1.84%) Ansible
5 12 (1.58%) Puppet
6 4 (0.53%) Grafana
7 3 (0.40%) Kibana
8 2 (0.26%) HAProxy
9 1 (0.13%) HP ALM
9 1 (0.13%) Istio
9 1 (0.13%) Microsoft Intune
9 1 (0.13%) MIIS
9 1 (0.13%) Pingdom
9 1 (0.13%) Prometheus
9 1 (0.13%) Salt
9 1 (0.13%) Single Sign-On
Vendors
1 86 (11.33%) Nintex
2 78 (10.28%) Microsoft
3 17 (2.24%) Salesforce.com
4 14 (1.84%) Oracle
5 13 (1.71%) Google
6 10 (1.32%) Adobe
6 10 (1.32%) Sparx
7 8 (1.05%) Cloudera
7 8 (1.05%) Talend
8 7 (0.92%) Informatica
8 7 (0.92%) VMware
9 5 (0.66%) SAP
9 5 (0.66%) Workday
10 4 (0.53%) Databricks
10 4 (0.53%) IBM
10 4 (0.53%) Sitecore
10 4 (0.53%) Splunk
11 3 (0.40%) Foundry
11 3 (0.40%) Palantir
11 3 (0.40%) Pega