Period
to 23 January 2020

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 23 January 2020 with a comparison to the same period in the previous 2 years.

JavaScript (including ECMAScript)
Central London > City of London
6 months to
23 Jan 2020
Same period 2019 Same period 2018
Rank 8 6 7
Rank change year-on-year -2 +1 +1
Permanent jobs citing JavaScript 1,377 1,752 1,831
As % of all permanent IT jobs advertised in the City of London 15.03% 16.95% 17.35%
As % of the Programming Languages category 26.25% 27.02% 29.94%
Number of salaries quoted 1,209 1,559 1,639
City of London median annual salary £67,500 £65,000 £60,000
Median salary % change year-on-year +3.85% +8.33% +9.09%
10th Percentile £43,750 £41,250 £40,000
90th Percentile £95,000 £90,000 £90,000
Central London median annual salary £67,500 £65,000 £60,000
% change year-on-year +3.85% +8.33% +9.09%

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 5,245 6,484 6,116
As % of all permanent IT jobs advertised in the City of London 57.24% 62.73% 57.96%
Number of salaries quoted 4,600 5,886 5,502
City of London median annual salary £70,000 £65,000 £62,500
Median salary % change year-on-year +7.69% +4.00% +4.17%
10th Percentile £43,750 £40,500 £39,525
90th Percentile £102,500 £96,250 £95,000
Central London median annual salary £70,000 £65,000 £60,000
% change year-on-year +7.69% +8.33% +4.35%

JavaScript
Job Vacancy Trend in the City of London

Job postings citing JavaScript as a percentage 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

This chart provides the 3-month moving average for salaries quoted in permanent IT 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

The salary distribution of IT jobs citing JavaScript in the City of London over the 6 months to 23 January 2020.

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 23 January 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
London Bridge -1 33 £62,500 +19.05% 1
Moorgate +9 15 £65,000 -3.70% 2
JavaScript
Central London

For the 6 months to 23 January 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 City of London region with a requirement for JavaScript.

1 657 (47.71%) HTML
1 657 (47.71%) CSS
2 584 (42.41%) Agile Software Development
3 538 (39.07%) React
4 453 (32.90%) C#
5 409 (29.70%) AngularJS
6 399 (28.98%) Finance
7 398 (28.90%) .NET
8 358 (26.00%) SQL
9 352 (25.56%) Java
10 307 (22.29%) HTML5
11 291 (21.13%) Node.js
12 290 (21.06%) AWS
13 279 (20.26%) MVC
14 266 (19.32%) TDD
15 253 (18.37%) Azure
16 244 (17.72%) Git (software)
17 239 (17.36%) DevOps
18 234 (16.99%) Front End Development
19 224 (16.27%) SQL Server
20 221 (16.05%) Microservices
21 218 (15.83%) Python
22 211 (15.32%) Degree
23 210 (15.25%) ASP.NET
24 208 (15.11%) Web Development
25 205 (14.89%) Scrum
26 196 (14.23%) Computer Science
27 194 (14.09%) Software Engineering
28 189 (13.73%) CSS3
29 188 (13.65%) Microsoft

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 58 (4.21%) CMS
2 51 (3.70%) Apache Spark
3 47 (3.41%) EPiServer
4 33 (2.40%) Elasticsearch
5 31 (2.25%) SharePoint
6 20 (1.45%) Tomcat
7 17 (1.23%) Headless CMS
8 16 (1.16%) WebSphere
9 15 (1.09%) Cloud Foundry
10 12 (0.87%) Confluence
10 12 (0.87%) WordPress
11 10 (0.73%) Apache
11 10 (0.73%) Drupal
11 10 (0.73%) IIS
11 10 (0.73%) JBoss
11 10 (0.73%) MQSeries
12 8 (0.58%) WebLogic
13 6 (0.44%) ArcGIS
14 5 (0.36%) Apache Solr
14 5 (0.36%) nginx
Applications
1 20 (1.45%) Sketch
2 8 (0.58%) Microsoft Office
2 8 (0.58%) Photoshop
3 7 (0.51%) Microsoft Excel
4 6 (0.44%) InVision
5 4 (0.29%) Figma
5 4 (0.29%) Marvel
6 3 (0.22%) Adobe Creative Suite
6 3 (0.22%) Fireworks
7 2 (0.15%) Adobe Illustrator
7 2 (0.15%) Spreadsheet
7 2 (0.15%) Zeplin
8 1 (0.073%) Acrobat
8 1 (0.073%) Adobe After Effects
8 1 (0.073%) UXPin
Business Applications
1 30 (2.18%) Dynamics CRM
2 11 (0.80%) Magento
3 7 (0.51%) Salesforce.com CRM
4 5 (0.36%) Payment Gateway
5 3 (0.22%) R3 Corda
6 1 (0.073%) Distributed Ledger
6 1 (0.073%) Eloqua
6 1 (0.073%) ION MarketView
6 1 (0.073%) Ripple
6 1 (0.073%) RMDS
Cloud Services
1 290 (21.06%) AWS
2 253 (18.37%) Azure
3 87 (6.32%) GCP
4 55 (3.99%) Serverless
5 50 (3.63%) SaaS
6 49 (3.56%) GitHub
7 43 (3.12%) npm
8 36 (2.61%) AWS Lambda
9 25 (1.82%) PaaS
10 18 (1.31%) Amazon EC2
10 18 (1.31%) Azure Functions
11 17 (1.23%) AWS CloudFormation
12 15 (1.09%) Office 365
13 14 (1.02%) Heroku
13 14 (1.02%) Power Platform
14 13 (0.94%) IaaS
15 12 (0.87%) AWS Fargate
15 12 (0.87%) Firebase
16 10 (0.73%) Amazon ECS
16 10 (0.73%) Cloud Computing
Communications & Networking
1 59 (4.28%) Internet
2 23 (1.67%) HTTP
3 11 (0.80%) Intranet
4 10 (0.73%) Firewall
5 8 (0.58%) SSH
6 6 (0.44%) TCP/IP
6 6 (0.44%) Wireshark
7 5 (0.36%) HTTPS
7 5 (0.36%) SSL
8 2 (0.15%) DAB
8 2 (0.15%) Network Security
9 1 (0.073%) 3GPP
9 1 (0.073%) Bluetooth
9 1 (0.073%) FTP
9 1 (0.073%) VPN
9 1 (0.073%) Wi-Fi
Database & Business Intelligence
1 224 (16.27%) SQL Server
2 94 (6.83%) MySQL
3 89 (6.46%) NoSQL
4 65 (4.72%) Big Data
5 60 (4.36%) PostgreSQL
6 50 (3.63%) SQL Server 2012
7 46 (3.34%) Hadoop
8 42 (3.05%) MongoDB
8 42 (3.05%) Relational Database
9 23 (1.67%) SQL Server Integration Services
10 21 (1.53%) Azure SQL Database
11 20 (1.45%) Blockchain
12 19 (1.38%) Apache Hive
13 15 (1.09%) Redis
14 14 (1.02%) Amazon DynamoDB
14 14 (1.02%) Amazon RDS
15 11 (0.80%) SQL Server 2016
16 10 (0.73%) Apache Cassandra
17 9 (0.65%) Power BI
18 8 (0.58%) Data Warehouse
Development Applications
1 244 (17.72%) Git (software)
2 70 (5.08%) Visual Studio
3 64 (4.65%) Jenkins
3 64 (4.65%) webpack
4 50 (3.63%) Cucumber
5 48 (3.49%) JIRA
6 35 (2.54%) gulp
6 35 (2.54%) TeamCity
7 34 (2.47%) Selenium
8 31 (2.25%) JUnit
9 27 (1.96%) Grunt
10 25 (1.82%) Maven
11 22 (1.60%) Babel
11 22 (1.60%) Jasmine
11 22 (1.60%) Team Foundation Server
12 17 (1.23%) Cypress.io
13 16 (1.16%) Atlassian Bamboo
14 15 (1.09%) Gradle
14 15 (1.09%) Postman
14 15 (1.09%) Visual Studio Team System
General
1 399 (28.98%) Finance
2 111 (8.06%) Marketing
3 64 (4.65%) Banking
4 58 (4.21%) Retail
5 53 (3.85%) Advertising
6 23 (1.67%) Games
6 23 (1.67%) Law
7 21 (1.53%) Front Office
8 18 (1.31%) Publishing
9 16 (1.16%) Financial Institution
9 16 (1.16%) Investment Banking
10 12 (0.87%) Legal
11 10 (0.73%) Back Office
12 9 (0.65%) Electronics
12 9 (0.65%) Manufacturing
12 9 (0.65%) Public Sector
12 9 (0.65%) Telecoms
13 6 (0.44%) Automotive
14 5 (0.36%) Dutch Language
14 5 (0.36%) German Language
Job Titles
1 956 (69.43%) Developer
2 263 (19.10%) Senior Developer
3 203 (14.74%) .NET Developer
4 195 (14.16%) Front End Developer (Client-Side Developer)
5 180 (13.07%) JavaScript Developer
6 155 (11.26%) C# Developer
7 146 (10.60%) Full Stack Developer
8 137 (9.95%) React Developer
9 128 (9.30%) Java Developer
10 111 (8.06%) C# .NET Developer
11 81 (5.88%) Web Developer
12 76 (5.52%) Lead Developer
12 76 (5.52%) Software Engineer
13 73 (5.30%) Senior Front-End Developer
14 67 (4.87%) Senior .NET Developer
15 57 (4.14%) Angular Developer
16 46 (3.34%) Architect
17 45 (3.27%) Software Developer
18 42 (3.05%) Senior C# Developer
18 42 (3.05%) Senior React Developer
Libraries, Frameworks & Software Standards
1 657 (47.71%) CSS
1 657 (47.71%) HTML
2 538 (39.07%) React
3 409 (29.70%) AngularJS
4 398 (28.90%) .NET
5 307 (22.29%) HTML5
6 291 (21.13%) Node.js
7 210 (15.25%) ASP.NET
8 189 (13.73%) CSS3
9 169 (12.27%) REST
10 166 (12.06%) jQuery
11 149 (10.82%) RESTful
12 144 (10.46%) Web Services
13 141 (10.24%) Redux
14 130 (9.44%) .NET Framework
15 117 (8.50%) Twitter Bootstrap
16 104 (7.55%) ASP.NET Web API
16 104 (7.55%) JSON
17 94 (6.83%) XML
18 92 (6.68%) .NET Core
Miscellaneous
1 174 (12.64%) User Experience
2 104 (7.55%) Analytical Skills
3 93 (6.75%) Greenfield Project
4 72 (5.23%) Mobile App
5 37 (2.69%) Algorithms
6 30 (2.18%) N-Tier
7 29 (2.11%) Self-Motivation
8 28 (2.03%) Enterprise Software
9 23 (1.67%) Data Centre
10 22 (1.60%) Cloud Native
11 20 (1.45%) Data Structures
12 19 (1.38%) Blog
12 19 (1.38%) Client/Server
13 18 (1.31%) Reinsurance
14 17 (1.23%) Social Media
15 16 (1.16%) Foreign Exchange (FX)
16 15 (1.09%) Derivative
16 15 (1.09%) Management Information System
17 14 (1.02%) Hedge funds
17 14 (1.02%) iPad
Operating Systems
1 99 (7.19%) Linux
2 75 (5.45%) Windows
3 53 (3.85%) Android
4 52 (3.78%) Apple iOS
5 48 (3.49%) Unix
6 8 (0.58%) Windows Server
7 7 (0.51%) Mac OS
8 5 (0.36%) Windows Server 2008
9 4 (0.29%) Windows 10
9 4 (0.29%) Windows Server 2012
10 3 (0.22%) CentOS
11 1 (0.073%) Mac OS X
11 1 (0.073%) zOS
Processes & Methodologies
1 584 (42.41%) Agile Software Development
2 279 (20.26%) MVC
3 266 (19.32%) TDD
4 239 (17.36%) DevOps
5 234 (16.99%) Front End Development
6 221 (16.05%) Microservices
7 208 (15.11%) Web Development
8 205 (14.89%) Scrum
9 196 (14.23%) Computer Science
10 194 (14.09%) Software Engineering
11 172 (12.49%) OO
12 166 (12.06%) Fintech
13 138 (10.02%) Continuous Integration
13 138 (10.02%) Problem-Solving
13 138 (10.02%) Test Automation
14 124 (9.01%) Analytics
15 110 (7.99%) SDLC
16 103 (7.48%) BDD
17 93 (6.75%) Unit Testing
18 92 (6.68%) Mentoring
Programming Languages
1 453 (32.90%) C#
2 358 (26.00%) SQL
3 352 (25.56%) Java
4 218 (15.83%) Python
5 182 (13.22%) TypeScript
6 115 (8.35%) PHP
7 102 (7.41%) ES6
8 68 (4.94%) C++
9 63 (4.58%) Scala
10 51 (3.70%) Ruby
11 47 (3.41%) T-SQL
12 36 (2.61%) Kotlin
13 33 (2.40%) XPath
14 30 (2.18%) C
15 29 (2.11%) Go
15 29 (2.11%) Java 8
15 29 (2.11%) PowerShell
16 18 (1.31%) Apex Code
17 14 (1.02%) Groovy
17 14 (1.02%) R
Qualifications
1 211 (15.32%) Degree
2 104 (7.55%) Computer Science Degree
3 26 (1.89%) Master's Degree
4 13 (0.94%) PhD
5 4 (0.29%) ISTQB
6 2 (0.15%) CFA
6 2 (0.15%) CISSP
6 2 (0.15%) ISTQB Foundation Certification
6 2 (0.15%) MCSE
6 2 (0.15%) Microsoft Certification
6 2 (0.15%) SC Cleared
6 2 (0.15%) Security Cleared
7 1 (0.073%) MCP
7 1 (0.073%) Numerate Degree
7 1 (0.073%) PRINCE2 Certification
Quality Assurance & Compliance
1 92 (6.68%) QA
2 2 (0.15%) SLA
2 2 (0.15%) WCAG
3 1 (0.073%) PMO
3 1 (0.073%) WAI
System Software
1 184 (13.36%) Docker
2 2 (0.15%) Virtual Machines
3 1 (0.073%) Apache ZooKeeper
3 1 (0.073%) VMware Infrastructure
Systems Management
1 95 (6.90%) Kubernetes
2 54 (3.92%) Terraform
3 28 (2.03%) Ansible
4 14 (1.02%) Consul
5 11 (0.80%) SCCM
6 8 (0.58%) Opscode Chef
7 5 (0.36%) Kibana
7 5 (0.36%) Puppet
8 4 (0.29%) logstash
9 2 (0.15%) Docker Swarm
9 2 (0.15%) Prometheus
9 2 (0.15%) Rancher
10 1 (0.073%) CA Single Sign-On
10 1 (0.073%) Grafana
10 1 (0.073%) Single Sign-On
10 1 (0.073%) ZABBIX
Vendors
1 188 (13.65%) Microsoft
2 102 (7.41%) Google
3 37 (2.69%) Oracle
3 37 (2.69%) Salesforce.com
4 19 (1.38%) Adobe
5 13 (0.94%) Zend
6 11 (0.80%) SAP
7 10 (0.73%) Xamarin
8 9 (0.65%) Facebook
9 8 (0.58%) Tableau
10 7 (0.51%) Apple
11 6 (0.44%) Mapbox
11 6 (0.44%) MicroStrategy
11 6 (0.44%) Nintex
11 6 (0.44%) Splunk
11 6 (0.44%) TIBCO
12 5 (0.36%) IBM
12 5 (0.36%) Samsung
13 4 (0.29%) Intapp
13 4 (0.29%) ServiceNow