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

JavaScript (including ECMAScript)
Central London > City of London
6 months to
19 Jan 2021
Same period 2020 Same period 2019
Rank 10 8 6
Rank change year-on-year -2 -2 +1
Permanent jobs citing JavaScript 694 1,363 1,743
As % of all permanent jobs advertised in the City of London 16.13% 15.04% 17.04%
As % of the Programming Languages category 25.26% 26.11% 27.09%
Number of salaries quoted 647 1,278 1,661
Median annual salary £70,000 £67,500 £65,000
Median salary % change year-on-year +3.70% +3.85% +8.33%
10th Percentile £46,250 £44,000 £41,250
90th Percentile £98,750 £95,000 £90,000
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 2,747 5,220 6,433
As % of all permanent IT jobs advertised in the City of London 63.84% 57.60% 62.88%
Number of salaries quoted 2,476 4,622 5,901
Median annual salary £72,500 £70,000 £65,000
Median salary % change year-on-year +3.57% +7.69% +4.00%
10th Percentile £46,250 £43,125 £40,250
90th Percentile £110,000 £102,500 £96,250
Central London median annual salary £70,000 £70,000 £65,000
% change year-on-year - +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 19 January 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 19 January 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
Moorgate +2 7 £67,500 -3.57%
London Bridge -1 5 £47,500 -26.92%
JavaScript
Central London

For the 6 months to 19 January 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.

1 327 (47.12%) Agile Software Development
2 321 (46.25%) CSS
3 291 (41.93%) React
4 252 (36.31%) HTML
5 217 (31.27%) Azure
6 216 (31.12%) SQL
7 215 (30.98%) .NET
8 207 (29.83%) AWS
9 201 (28.96%) DevOps
10 197 (28.39%) Java
11 192 (27.67%) C#
12 187 (26.95%) Microservices
13 184 (26.51%) AngularJS
14 166 (23.92%) Finance
15 163 (23.49%) Node.js
16 160 (23.05%) Python
17 157 (22.62%) Test Automation
18 152 (21.90%) OO
19 129 (18.59%) MVC
20 127 (18.30%) Degree
21 123 (17.72%) TDD
22 118 (17.00%) Software Engineering
22 118 (17.00%) Continuous Integration
23 117 (16.86%) .NET Core
24 115 (16.57%) TypeScript
25 112 (16.14%) Scrum
25 112 (16.14%) Web Services
26 111 (15.99%) SQL Server
27 110 (15.85%) Web Development
28 108 (15.56%) HTML5

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 63 (9.08%) SharePoint
2 22 (3.17%) Apache
3 18 (2.59%) Apache Spark
4 16 (2.31%) Moodle
5 14 (2.02%) CMS
6 13 (1.87%) Elasticsearch
7 10 (1.44%) SAS
8 9 (1.30%) Cloud Foundry
9 8 (1.15%) Confluence
10 6 (0.86%) Adobe Experience Manager
10 6 (0.86%) WordPress
11 5 (0.72%) nginx
12 3 (0.43%) Red Hat Fuse
13 2 (0.29%) Drupal
13 2 (0.29%) EPiServer
13 2 (0.29%) OpenStack
13 2 (0.29%) Tomcat
14 1 (0.14%) IIS
14 1 (0.14%) Mule
Applications
1 9 (1.30%) Zeplin
2 6 (0.86%) Sketch
3 5 (0.72%) InVision
4 2 (0.29%) Adobe Illustrator
4 2 (0.29%) Figma
4 2 (0.29%) Photoshop
5 1 (0.14%) Microsoft Excel
5 1 (0.14%) Microsoft Office
Business Applications
1 93 (13.40%) Dynamics CRM
2 17 (2.45%) Sparx Enterprise Architect
3 11 (1.59%) Siebel CRM
4 5 (0.72%) R3 Corda
5 3 (0.43%) Magento
6 1 (0.14%) Payment Gateway
6 1 (0.14%) Shopify
Cloud Services
1 217 (31.27%) Azure
2 207 (29.83%) AWS
3 56 (8.07%) Dynamics 365
3 56 (8.07%) Power Platform
4 55 (7.93%) PaaS
5 33 (4.76%) Azure Active Directory
5 33 (4.76%) SaaS
6 31 (4.47%) Serverless
7 29 (4.18%) GCP
8 24 (3.46%) AWS Lambda
9 20 (2.88%) npm
10 16 (2.31%) GitHub
11 15 (2.16%) Amazon Kinesis
11 15 (2.16%) PowerApps
12 13 (1.87%) OpenShift
13 10 (1.44%) Amazon CloudWatch
14 9 (1.30%) Datadog
15 8 (1.15%) Heroku
16 7 (1.01%) Amazon EC2
16 7 (1.01%) Cloud Computing
Communications & Networking
1 14 (2.02%) HTTP
2 5 (0.72%) Firewall
3 4 (0.58%) Kerberos
3 4 (0.58%) TCP/IP
4 3 (0.43%) Internet
5 1 (0.14%) HTTPS
5 1 (0.14%) Intranet
5 1 (0.14%) Skype
5 1 (0.14%) SSH
5 1 (0.14%) VPN
5 1 (0.14%) Wi-Fi
Database & Business Intelligence
1 111 (15.99%) SQL Server
2 69 (9.94%) MySQL
3 51 (7.35%) NoSQL
4 44 (6.34%) SQL Server Integration Services
5 41 (5.91%) Big Data
5 41 (5.91%) SQL Server Reporting Services
6 28 (4.03%) MongoDB
6 28 (4.03%) PostgreSQL
7 21 (3.03%) Hadoop
8 19 (2.74%) Apache Hive
9 16 (2.31%) Power BI
9 16 (2.31%) Relational Database
10 15 (2.16%) Oracle Database
11 13 (1.87%) SQL Server 2012
12 12 (1.73%) Azure SQL Database
12 12 (1.73%) BusinessObjects
13 11 (1.59%) Siebel EIM
14 10 (1.44%) Impala
14 10 (1.44%) Pentaho
14 10 (1.44%) Redis
Development Applications
1 100 (14.41%) Git (software)
2 82 (11.82%) Jenkins
3 60 (8.65%) Team Foundation Server
4 50 (7.20%) Visual Studio Team System
5 49 (7.06%) Selenium
6 48 (6.92%) Visual Studio
7 47 (6.77%) Cucumber
8 24 (3.46%) Appium
8 24 (3.46%) GitLab
8 24 (3.46%) JIRA
9 23 (3.31%) Cypress.io
10 20 (2.88%) webpack
11 12 (1.73%) CircleCI
11 12 (1.73%) JUnit
11 12 (1.73%) Maven
12 9 (1.30%) eggPlant
12 9 (1.30%) Locust
12 9 (1.30%) Travis CI
13 8 (1.15%) Babel
13 8 (1.15%) Protractor
General
1 166 (23.92%) Finance
2 66 (9.51%) Banking
3 46 (6.63%) Private Banking
4 43 (6.20%) Marketing
5 20 (2.88%) Back Office
6 19 (2.74%) Front Office
7 14 (2.02%) Law
8 12 (1.73%) Advertising
9 10 (1.44%) Public Sector
10 7 (1.01%) Retail
11 5 (0.72%) Games
11 5 (0.72%) Telecoms
12 3 (0.43%) Manufacturing
12 3 (0.43%) Publishing
13 2 (0.29%) Electronics
13 2 (0.29%) French Language
13 2 (0.29%) Investment Banking
13 2 (0.29%) Retail Banking
14 1 (0.14%) Automotive
14 1 (0.14%) Legal
Job Titles
1 386 (55.62%) Developer
2 98 (14.12%) Senior Developer
3 79 (11.38%) Full Stack Developer
4 65 (9.37%) C# Developer
5 53 (7.64%) JavaScript Developer
6 52 (7.49%) .NET Developer
6 52 (7.49%) Java Developer
7 50 (7.20%) Front End Developer (Client-Side Developer)
8 49 (7.06%) Architect
9 45 (6.48%) Senior C# Developer
10 43 (6.20%) Azure Developer
11 42 (6.05%) Lead Developer
12 39 (5.62%) PHP Developer
12 39 (5.62%) Software Engineer
13 37 (5.33%) React Developer
14 35 (5.04%) Software Developer
15 33 (4.76%) C# .NET Developer
15 33 (4.76%) Senior .NET Developer
15 33 (4.76%) SQL Developer
16 30 (4.32%) Senior C# .NET Developer
Libraries, Frameworks & Software Standards
1 321 (46.25%) CSS
2 291 (41.93%) React
3 252 (36.31%) HTML
4 215 (30.98%) .NET
5 184 (26.51%) AngularJS
6 163 (23.49%) Node.js
7 117 (16.86%) .NET Core
8 112 (16.14%) Web Services
9 108 (15.56%) HTML5
10 102 (14.70%) .NET Framework
10 102 (14.70%) REST
11 99 (14.27%) jQuery
12 87 (12.54%) Twitter Bootstrap
13 82 (11.82%) ASP.NET Web API
13 82 (11.82%) Entity Framework
14 71 (10.23%) Vue.js
15 70 (10.09%) ASP.NET
16 67 (9.65%) CSS3
17 55 (7.93%) XML
18 53 (7.64%) Spring
Miscellaneous
1 67 (9.65%) N-Tier
2 49 (7.06%) User Experience
3 47 (6.77%) Analytical Skills
3 47 (6.77%) Greenfield Project
4 29 (4.18%) Reinsurance
5 22 (3.17%) Mobile App
6 15 (2.16%) Algorithms
6 15 (2.16%) Data Structures
7 13 (1.87%) e-Learning
7 13 (1.87%) Foreign Exchange (FX)
8 11 (1.59%) Cloud Native
8 11 (1.59%) Self-Motivation
9 9 (1.30%) Enterprise Software
10 8 (1.15%) Fixed Income
11 7 (1.01%) Derivative
12 6 (0.86%) Clustering
12 6 (0.86%) Hedge funds
13 5 (0.72%) Public Cloud
13 5 (0.72%) SCORM
14 3 (0.43%) Enterprise Cloud
Operating Systems
1 38 (5.48%) Linux
2 19 (2.74%) Unix
3 15 (2.16%) Windows
4 9 (1.30%) Android
4 9 (1.30%) Apple iOS
5 2 (0.29%) Windows Server
6 1 (0.14%) Mac OS
Processes & Methodologies
1 327 (47.12%) Agile Software Development
2 201 (28.96%) DevOps
3 187 (26.95%) Microservices
4 157 (22.62%) Test Automation
5 152 (21.90%) OO
6 129 (18.59%) MVC
7 123 (17.72%) TDD
8 118 (17.00%) Continuous Integration
8 118 (17.00%) Software Engineering
9 112 (16.14%) Scrum
10 110 (15.85%) Web Development
11 100 (14.41%) CRM
12 87 (12.54%) Mentoring
13 85 (12.25%) SOLID
14 73 (10.52%) Fintech
15 69 (9.94%) SOA
16 66 (9.51%) Deployment Automation
17 62 (8.93%) UML
18 59 (8.50%) Front End Development
19 57 (8.21%) Don't repeat yourself (DRY)
Programming Languages
1 216 (31.12%) SQL
2 197 (28.39%) Java
3 192 (27.67%) C#
4 160 (23.05%) Python
5 115 (16.57%) TypeScript
6 73 (10.52%) PHP
7 61 (8.79%) PowerShell
8 58 (8.36%) T-SQL
9 39 (5.62%) ES6
10 37 (5.33%) Kotlin
11 34 (4.90%) Ruby
12 31 (4.47%) Go
13 28 (4.03%) Java 8
14 25 (3.60%) C++
15 19 (2.74%) Scala
16 14 (2.02%) Perl
17 13 (1.87%) PL/SQL
18 12 (1.73%) Bash Shell
19 11 (1.59%) ES7
20 10 (1.44%) HiveQL
Qualifications
1 127 (18.30%) Degree
2 36 (5.19%) Computer Science Degree
3 16 (2.31%) ISEB
3 16 (2.31%) ISTQB
4 12 (1.73%) SC Cleared
4 12 (1.73%) Security Cleared
5 6 (0.86%) Master's Degree
6 3 (0.43%) Microsoft Certification
7 1 (0.14%) (ISC)2 CCSP
7 1 (0.14%) CCSP
7 1 (0.14%) CISA
7 1 (0.14%) Cisco Certification
7 1 (0.14%) CISM
7 1 (0.14%) CRISC
7 1 (0.14%) DV Cleared
Quality Assurance & Compliance
1 41 (5.91%) QA
2 5 (0.72%) PSD2
3 2 (0.29%) MiFID
4 1 (0.14%) GDPR
4 1 (0.14%) ISO/IEC 27001
4 1 (0.14%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
System Software
1 103 (14.84%) Docker
2 10 (1.44%) HDFS
3 8 (1.15%) Active Directory
4 5 (0.72%) VMware Infrastructure
5 1 (0.14%) Virtual Machines
Systems Management
1 75 (10.81%) Terraform
2 66 (9.51%) Kubernetes
3 33 (4.76%) Opscode Chef
4 12 (1.73%) Grafana
5 11 (1.59%) Ansible
6 9 (1.30%) Puppet
6 9 (1.30%) ZABBIX
7 5 (0.72%) Kibana
8 4 (0.58%) Single Sign-On
9 3 (0.43%) HAProxy
9 3 (0.43%) Pingdom
10 1 (0.14%) CASB
10 1 (0.14%) HP ALM
10 1 (0.14%) Istio
Vendors
1 84 (12.10%) Microsoft
2 55 (7.93%) Nintex
3 21 (3.03%) Oracle
4 17 (2.45%) Sparx
5 14 (2.02%) Google
6 13 (1.87%) Talend
7 11 (1.59%) Siebel
8 10 (1.44%) Adobe
8 10 (1.44%) Cloudera
8 10 (1.44%) Informatica
9 9 (1.30%) Salesforce.com
10 7 (1.01%) VMware
11 4 (0.58%) Databricks
11 4 (0.58%) Fortinet
11 4 (0.58%) IBM
11 4 (0.58%) SAP
12 3 (0.43%) Cisco
12 3 (0.43%) Splunk
13 2 (0.29%) Palantir
13 2 (0.29%) ServiceNow