Period
to 27 September 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 27 September 2021 with a comparison to the same period in the previous 2 years.

JavaScript (including ECMAScript)
Central London > City of London
6 months to
27 Sep 2021
Same period 2020 Same period 2019
Rank 11 10 10
Rank change year-on-year -1 0 -2
Permanent jobs citing JavaScript 864 604 1,552
As % of all permanent jobs advertised in the City of London 14.67% 16.32% 15.34%
As % of the Programming Languages category 24.54% 26.61% 25.40%
Number of salaries quoted 779 510 1,366
10th Percentile £46,250 £46,250 £42,500
25th Percentile £53,750 £55,000 £52,500
Median annual salary (50th Percentile) £70,000 £67,500 £67,500
Median % change year-on-year +3.70% - +8.00%
75th Percentile £88,750 £82,500 £83,438
90th Percentile £98,750 £105,000 £95,000
Central London median annual salary £70,000 £70,000 £65,000
% change year-on-year - +7.69% +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 3,521 2,270 6,111
As % of all permanent IT jobs advertised in the City of London 59.77% 61.33% 60.40%
Number of salaries quoted 3,163 1,998 5,449
10th Percentile £46,250 £45,000 £42,500
25th Percentile £56,250 £55,000 £52,500
Median annual salary (50th Percentile) £75,000 £70,000 £70,000
Median % change year-on-year +7.14% - +7.69%
75th Percentile £95,000 £87,500 £85,000
90th Percentile £107,500 £107,875 £97,500
Central London median annual salary £75,000 £70,000 £67,500
% change year-on-year +7.14% +3.70% +3.85%

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 27 September 2021.

Salary histogram for JavaScript in the City of London

For the 6 months to 27 September 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.

1 344 (39.81%) React
2 325 (37.62%) C#
3 303 (35.07%) Agile Software Development
4 297 (34.38%) HTML
5 296 (34.26%) CSS
6 276 (31.94%) .NET
7 231 (26.74%) Azure
8 218 (25.23%) AngularJS
9 203 (23.50%) Java
10 201 (23.26%) Full Stack Development
11 199 (23.03%) Finance
12 193 (22.34%) SQL
13 190 (21.99%) SQL Server
14 182 (21.06%) Social Skills
15 179 (20.72%) Software Engineering
16 178 (20.60%) TypeScript
16 178 (20.60%) DevOps
17 177 (20.49%) Node.js
18 164 (18.98%) AWS
18 164 (18.98%) Microservices
19 158 (18.29%) Python
20 157 (18.17%) Git (software)
21 146 (16.90%) Fintech
22 145 (16.78%) HTML5
23 141 (16.32%) Test Automation
24 140 (16.20%) REST
25 127 (14.70%) Docker
26 126 (14.58%) QA
27 114 (13.19%) OO
28 112 (12.96%) .NET Core

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 61 (7.06%) SharePoint
2 31 (3.59%) Confluence
3 19 (2.20%) CMS
4 10 (1.16%) Apache Spark
4 10 (1.16%) WordPress
5 8 (0.93%) EPiServer
6 7 (0.81%) Drupal
7 5 (0.58%) Elasticsearch
7 5 (0.58%) nginx
8 4 (0.46%) Adobe Experience Manager
8 4 (0.46%) Apache Solr
9 3 (0.35%) Cloud Foundry
10 2 (0.23%) Oracle SOA Suite
11 1 (0.12%) Apache Airflow
11 1 (0.12%) Appian
11 1 (0.12%) GemFire
11 1 (0.12%) GlassFish
11 1 (0.12%) OpenStack
11 1 (0.12%) Tornado
11 1 (0.12%) WebSphere
Applications
1 11 (1.27%) Microsoft Office
2 3 (0.35%) Adobe Illustrator
2 3 (0.35%) InVision
2 3 (0.35%) Photoshop
2 3 (0.35%) Sketch
2 3 (0.35%) UXPin
3 2 (0.23%) Chatbot
3 2 (0.23%) MS Visio
4 1 (0.12%) Figma
4 1 (0.12%) Microsoft Excel
4 1 (0.12%) Microsoft PowerPoint
4 1 (0.12%) Zeplin
Business Applications
1 32 (3.70%) Dynamics CRM
2 7 (0.81%) Salesforce.com CRM
3 4 (0.46%) Sparx Enterprise Architect
4 3 (0.35%) Payment Gateway
5 1 (0.12%) Dynamics AX
5 1 (0.12%) IBM Operational Decision Manager
5 1 (0.12%) Magento
5 1 (0.12%) nopCommerce
5 1 (0.12%) Oracle BPM
5 1 (0.12%) R3 Corda
5 1 (0.12%) Relativity
5 1 (0.12%) Temenos T24
Cloud Services
1 231 (26.74%) Azure
2 164 (18.98%) AWS
3 64 (7.41%) Serverless
4 63 (7.29%) SaaS
5 46 (5.32%) GCP
6 36 (4.17%) Power Platform
7 34 (3.94%) PaaS
8 29 (3.36%) PowerApps
9 27 (3.13%) Power Automate
10 24 (2.78%) AWS Lambda
11 23 (2.66%) npm
12 21 (2.43%) Microsoft 365
13 20 (2.31%) Azure Logic Apps
13 20 (2.31%) Azure Service Bus
13 20 (2.31%) GitHub
14 18 (2.08%) AWS CloudFormation
14 18 (2.08%) Azure Key Vault
15 15 (1.74%) Azure Active Directory
15 15 (1.74%) Azure Storage
16 12 (1.39%) Azure Service Fabric
Communications & Networking
1 16 (1.85%) Extranet
2 8 (0.93%) HTTP
3 2 (0.23%) Internet
4 1 (0.12%) Broadband
4 1 (0.12%) Calico
4 1 (0.12%) DNS
4 1 (0.12%) Firewall
4 1 (0.12%) SMTP
4 1 (0.12%) SSH
4 1 (0.12%) TCP/IP
Database & Business Intelligence
1 190 (21.99%) SQL Server
2 39 (4.51%) NoSQL
3 29 (3.36%) Power BI
4 25 (2.89%) Azure SQL Database
4 25 (2.89%) MySQL
5 21 (2.43%) MongoDB
5 21 (2.43%) SQL Server Integration Services
6 20 (2.31%) Big Data
7 19 (2.20%) SQL Server 2008
8 18 (2.08%) Relational Database
9 14 (1.62%) PostgreSQL
9 14 (1.62%) SQL Server 2016
10 10 (1.16%) Data Lake
10 10 (1.16%) Data Warehouse
10 10 (1.16%) RDBMS
10 10 (1.16%) Redis
11 9 (1.04%) Apache Hive
11 9 (1.04%) Hadoop
12 8 (0.93%) SQL Server Reporting Services
12 8 (0.93%) Tableau
Development Applications
1 157 (18.17%) Git (software)
2 98 (11.34%) Jenkins
3 90 (10.42%) Cypress.io
4 77 (8.91%) Postman
5 69 (7.99%) Cucumber
6 66 (7.64%) Selenium
7 52 (6.02%) JIRA
8 30 (3.47%) CircleCI
9 21 (2.43%) webpack
10 20 (2.31%) Team Foundation Server
10 20 (2.31%) TeamCity
11 19 (2.20%) Visual Studio
11 19 (2.20%) Visual Studio Team System
12 17 (1.97%) Jasmine
13 16 (1.85%) Grunt
14 15 (1.74%) TestCafe
15 13 (1.50%) Protractor
16 12 (1.39%) SpecFlow
17 10 (1.16%) Bitbucket
17 10 (1.16%) Bower
General
1 199 (23.03%) Finance
2 182 (21.06%) Social Skills
3 45 (5.21%) Banking
4 41 (4.75%) Front Office
5 36 (4.17%) Retail
6 34 (3.94%) Marketing
7 24 (2.78%) Analytical Skills
8 22 (2.55%) Organisational Skills
9 21 (2.43%) Advertising
10 12 (1.39%) Investment Banking
11 9 (1.04%) Publishing
12 7 (0.81%) Pharmaceutical
13 6 (0.69%) Financial Institution
13 6 (0.69%) Legal
14 5 (0.58%) Games
14 5 (0.58%) Inclusion and Diversity
14 5 (0.58%) Public Sector
15 3 (0.35%) Documentation Skills
15 3 (0.35%) Law
15 3 (0.35%) Presentation Skills
Job Titles
1 518 (59.95%) Developer
2 125 (14.47%) Senior Developer
3 99 (11.46%) .NET Developer
4 97 (11.23%) Full Stack Developer
5 96 (11.11%) C# Developer
6 81 (9.38%) Software Developer
7 74 (8.56%) Software Engineer
8 67 (7.75%) C# .NET Developer
9 66 (7.64%) Front End Developer (Client-Side Developer)
10 52 (6.02%) QA Engineer
10 52 (6.02%) React Developer
11 50 (5.79%) JavaScript Developer
12 44 (5.09%) Java Developer
13 42 (4.86%) Lead Developer
14 41 (4.75%) Senior Software Engineer
15 26 (3.01%) Architect
16 23 (2.66%) Senior Front-End Developer
17 22 (2.55%) Junior
17 22 (2.55%) Senior Software Developer
17 22 (2.55%) Technical Leader
Libraries, Frameworks & Software Standards
1 344 (39.81%) React
2 297 (34.38%) HTML
3 296 (34.26%) CSS
4 276 (31.94%) .NET
5 218 (25.23%) AngularJS
6 177 (20.49%) Node.js
7 145 (16.78%) HTML5
8 140 (16.20%) REST
9 112 (12.96%) .NET Core
10 111 (12.85%) Web Services
11 101 (11.69%) jQuery
11 101 (11.69%) Vue.js
12 92 (10.65%) .NET Framework
13 91 (10.53%) ASP.NET
14 61 (7.06%) Spring
15 56 (6.48%) Entity Framework
16 50 (5.79%) ASP.NET Web API
17 49 (5.67%) Twitter Bootstrap
18 48 (5.56%) CSS3
19 46 (5.32%) RESTful
Miscellaneous
1 79 (9.14%) User Experience
2 77 (8.91%) Greenfield Project
3 31 (3.59%) Enterprise Software
4 27 (3.13%) Equities
5 26 (3.01%) N-Tier
6 23 (2.66%) Mobile App
7 11 (1.27%) Cloud Native
7 11 (1.27%) Foreign Exchange (FX)
8 10 (1.16%) Data Structures
9 9 (1.04%) Hedge funds
9 9 (1.04%) Legacy Code
9 9 (1.04%) Social Media
10 7 (0.81%) Life Science
10 7 (0.81%) Virtual Team
11 6 (0.69%) Legacy Systems
11 6 (0.69%) Management Information System
11 6 (0.69%) Marketing Technology
12 5 (0.58%) Algorithms
12 5 (0.58%) Clustering
12 5 (0.58%) Derivative
Operating Systems
1 61 (7.06%) Windows
2 40 (4.63%) Linux
3 7 (0.81%) Android
3 7 (0.81%) Apple iOS
3 7 (0.81%) Unix
4 4 (0.46%) Windows Server
4 4 (0.46%) Windows Server 2019
5 1 (0.12%) Solaris
5 1 (0.12%) VMS
Processes & Methodologies
1 303 (35.07%) Agile Software Development
2 201 (23.26%) Full Stack Development
3 179 (20.72%) Software Engineering
4 178 (20.60%) DevOps
5 164 (18.98%) Microservices
6 146 (16.90%) Fintech
7 141 (16.32%) Test Automation
8 114 (13.19%) OO
9 107 (12.38%) TDD
10 106 (12.27%) MVC
11 91 (10.53%) Mentoring
12 87 (10.07%) Front End Development
13 82 (9.49%) Continuous Integration
14 81 (9.38%) Computer Science
14 81 (9.38%) CRM
15 74 (8.56%) API Testing
16 73 (8.45%) Multithreading
17 70 (8.10%) Analytics
18 66 (7.64%) Scrum
19 63 (7.29%) SDLC
Programming Languages
1 325 (37.62%) C#
2 203 (23.50%) Java
3 193 (22.34%) SQL
4 178 (20.60%) TypeScript
5 158 (18.29%) Python
6 70 (8.10%) PHP
7 61 (7.06%) C++
8 52 (6.02%) T-SQL
9 48 (5.56%) Kotlin
10 45 (5.21%) Scala
11 41 (4.75%) Ruby
12 36 (4.17%) ES6
13 35 (4.05%) Go
13 35 (4.05%) Perl
13 35 (4.05%) PowerShell
14 24 (2.78%) Bash Shell
14 24 (2.78%) R
15 22 (2.55%) VB.NET
16 21 (2.43%) MATLAB
16 21 (2.43%) Pascal
Qualifications
1 86 (9.95%) Degree
2 19 (2.20%) Computer Science Degree
3 8 (0.93%) Master's Degree
4 6 (0.69%) SC Cleared
4 6 (0.69%) Security Cleared
5 3 (0.35%) AWS Certification
5 3 (0.35%) CREST Certified
5 3 (0.35%) DBS Check
5 3 (0.35%) DV Cleared
5 3 (0.35%) OSCP
5 3 (0.35%) PhD
6 2 (0.23%) Numerate Degree
7 1 (0.12%) Microsoft Certification
7 1 (0.12%) OCP
7 1 (0.12%) Oracle Certification
7 1 (0.12%) SANS
Quality Assurance & Compliance
1 126 (14.58%) QA
2 21 (2.43%) Accessibility
3 4 (0.46%) Data Quality
4 3 (0.35%) PCI DSS
5 2 (0.23%) GDPR
5 2 (0.23%) PSD2
6 1 (0.12%) ISO/IEC 27001
System Software
1 127 (14.70%) Docker
2 7 (0.81%) Active Directory
3 5 (0.58%) Hyper-V
4 2 (0.23%) Apache ZooKeeper
4 2 (0.23%) ISA Server
4 2 (0.23%) Virtual Machines
5 1 (0.12%) HDFS
5 1 (0.12%) VMware Infrastructure
5 1 (0.12%) Xen
Systems Management
1 80 (9.26%) Kubernetes
2 58 (6.71%) Terraform
3 28 (3.24%) Opscode Chef
4 25 (2.89%) Ansible
5 9 (1.04%) Puppet
6 3 (0.35%) Grafana
6 3 (0.35%) HP Quality Center
7 2 (0.23%) Kibana
7 2 (0.23%) Microsoft Intune
7 2 (0.23%) Salt
8 1 (0.12%) Automic
8 1 (0.12%) Consul
8 1 (0.12%) Marathon
8 1 (0.12%) Prometheus
8 1 (0.12%) SCOM
8 1 (0.12%) vRealize
Vendors
1 78 (9.03%) Microsoft
2 46 (5.32%) Salesforce.com
3 29 (3.36%) Oracle
4 22 (2.55%) Google
5 19 (2.20%) Atlassian
5 19 (2.20%) Workday
6 13 (1.50%) Nintex
7 8 (0.93%) Adobe
8 6 (0.69%) Databricks
9 5 (0.58%) IBM
9 5 (0.58%) Pega
9 5 (0.58%) Sitecore
10 4 (0.46%) Sparx
10 4 (0.46%) VMware
11 3 (0.35%) Dynatrace
11 3 (0.35%) HP
11 3 (0.35%) MuleSoft
11 3 (0.35%) New Relic
12 2 (0.23%) DevExpress
12 2 (0.23%) SAP