Period
to 1 October 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 1 October 2020 with a comparison to the same period in the previous 2 years.

JavaScript (including ECMAScript)
Central London > City of London
6 months to
1 Oct 2020
Same period 2019 Same period 2018
Rank 9 9 7
Rank change year-on-year 0 -2 +1
Permanent jobs citing JavaScript 603 1,551 1,791
As % of all permanent jobs advertised in the City of London 16.28% 15.32% 16.30%
As % of the Programming Languages category 26.46% 25.38% 26.40%
Number of salaries quoted 546 1,461 1,738
Median annual salary £67,500 £67,500 £62,500
Median salary % change year-on-year - +8.00% +4.17%
10th Percentile £46,250 £42,500 £41,250
90th Percentile £105,000 £95,000 £90,000
Central London median annual salary £70,000 £65,000 £60,000
% change year-on-year +7.69% +8.33% +1.69%

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 2,279 6,112 6,784
As % of all permanent IT jobs advertised in the City of London 61.53% 60.35% 61.75%
Number of salaries quoted 2,016 5,387 6,181
Median annual salary £70,000 £70,000 £65,000
Median salary % change year-on-year - +7.69% +8.33%
10th Percentile £45,000 £42,500 £41,250
90th Percentile £109,375 £97,500 £95,000
Central London median annual salary £70,000 £67,500 £65,000
% change year-on-year +3.70% +3.85% +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 1 October 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 1 October 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
Moorgate +4 12 £67,500 -10.00%
London Bridge -2 6 £60,000 -14.29%
JavaScript
Central London

For the 6 months to 1 October 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.

1 282 (46.77%) Agile Software Development
2 253 (41.96%) HTML
3 240 (39.80%) CSS
4 227 (37.65%) React
5 199 (33.00%) AngularJS
6 177 (29.35%) AWS
6 177 (29.35%) Java
7 159 (26.37%) Finance
8 152 (25.21%) .NET
9 150 (24.88%) Node.js
10 139 (23.05%) TDD
11 128 (21.23%) Python
12 126 (20.90%) Git (software)
12 126 (20.90%) Microservices
13 121 (20.07%) Azure
14 120 (19.90%) DevOps
15 118 (19.57%) C#
16 112 (18.57%) Docker
17 110 (18.24%) SQL
18 106 (17.58%) Software Engineering
19 105 (17.41%) TypeScript
20 96 (15.92%) HTML5
20 96 (15.92%) REST
21 93 (15.42%) Web Development
22 85 (14.10%) Front End Development
23 83 (13.76%) Kubernetes
23 83 (13.76%) Scrum
24 77 (12.77%) Test Automation
24 77 (12.77%) Jenkins
24 77 (12.77%) Redux

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 32 (5.31%) Apache Spark
2 21 (3.48%) Moodle
3 17 (2.82%) Apache
4 15 (2.49%) Elasticsearch
5 11 (1.82%) Confluence
6 9 (1.49%) Cloud Foundry
6 9 (1.49%) CMS
7 6 (1.00%) SAS
8 5 (0.83%) EPiServer
9 4 (0.66%) Adobe Experience Manager
9 4 (0.66%) WordPress
10 3 (0.50%) nginx
10 3 (0.50%) WebSphere
11 2 (0.33%) Apache Solr
11 2 (0.33%) IIS
11 2 (0.33%) MQSeries
11 2 (0.33%) Red Hat Fuse
11 2 (0.33%) SharePoint
11 2 (0.33%) Tomcat
12 1 (0.17%) SharePoint 2010
Applications
1 16 (2.65%) Zeplin
2 15 (2.49%) Figma
3 8 (1.33%) Adobe Illustrator
3 8 (1.33%) Sketch
4 7 (1.16%) InVision
5 4 (0.66%) Microsoft Excel
6 1 (0.17%) Photoshop
Business Applications
1 37 (6.14%) Dynamics CRM
2 8 (1.33%) Siebel CRM
3 5 (0.83%) Magento
4 2 (0.33%) Shopify
5 1 (0.17%) Payment Gateway
Cloud Services
1 177 (29.35%) AWS
2 121 (20.07%) Azure
3 47 (7.79%) SaaS
4 37 (6.14%) Serverless
5 34 (5.64%) GCP
6 30 (4.98%) Power Platform
7 27 (4.48%) AWS Lambda
8 25 (4.15%) Dynamics 365
9 21 (3.48%) Amazon EC2
10 12 (1.99%) Amazon S3
10 12 (1.99%) GitHub
10 12 (1.99%) npm
11 10 (1.66%) Amazon CloudWatch
11 10 (1.66%) Heroku
12 9 (1.49%) Amazon Kinesis
12 9 (1.49%) Datadog
13 7 (1.16%) Google Analytics
14 6 (1.00%) OpenShift
15 5 (0.83%) Azure Active Directory
16 4 (0.66%) Apigee
Communications & Networking
1 8 (1.33%) TCP/IP
2 7 (1.16%) HTTP
2 7 (1.16%) Kerberos
3 6 (1.00%) Internet
4 4 (0.66%) Firewall
5 3 (0.50%) AMQP
6 1 (0.17%) 3GPP
6 1 (0.17%) HTTPS
6 1 (0.17%) Network Security
6 1 (0.17%) Skype
6 1 (0.17%) SSH
Database & Business Intelligence
1 73 (12.11%) SQL Server
2 62 (10.28%) MySQL
3 47 (7.79%) Big Data
4 42 (6.97%) MongoDB
5 33 (5.47%) SQL Server Integration Services
6 30 (4.98%) NoSQL
7 29 (4.81%) PostgreSQL
8 28 (4.64%) Redis
9 27 (4.48%) Hadoop
10 25 (4.15%) SQL Server Reporting Services
11 22 (3.65%) Amazon RDS
12 17 (2.82%) Apache Hive
12 17 (2.82%) Relational Database
13 14 (2.32%) SQL Server 2012
14 12 (1.99%) Power BI
15 8 (1.33%) Oracle Database
15 8 (1.33%) Siebel EIM
16 7 (1.16%) Data Lake
16 7 (1.16%) Impala
16 7 (1.16%) RDBMS
Development Applications
1 126 (20.90%) Git (software)
2 77 (12.77%) Jenkins
3 28 (4.64%) Cucumber
4 27 (4.48%) Selenium
4 27 (4.48%) Visual Studio
5 23 (3.81%) JIRA
6 21 (3.48%) TeamCity
7 20 (3.32%) webpack
8 18 (2.99%) Maven
9 16 (2.65%) Babel
9 16 (2.65%) GitLab
10 14 (2.32%) JUnit
11 13 (2.16%) CircleCI
12 12 (1.99%) Gradle
12 12 (1.99%) IntelliJ
12 12 (1.99%) Mocha
13 11 (1.82%) Team Foundation Server
14 10 (1.66%) Cypress.io
14 10 (1.66%) WebDriver
15 9 (1.49%) eggPlant
General
1 159 (26.37%) Finance
2 66 (10.95%) Banking
3 42 (6.97%) Marketing
4 29 (4.81%) Law
4 29 (4.81%) Private Banking
5 21 (3.48%) Front Office
6 18 (2.99%) Retail
7 15 (2.49%) Games
8 12 (1.99%) Advertising
9 10 (1.66%) Investment Banking
10 6 (1.00%) Retail Banking
11 5 (0.83%) Financial Institution
12 4 (0.66%) Manufacturing
12 4 (0.66%) Telecoms
13 3 (0.50%) Electronics
13 3 (0.50%) Public Sector
13 3 (0.50%) Publishing
14 2 (0.33%) Back Office
14 2 (0.33%) French Language
14 2 (0.33%) Legal
Job Titles
1 340 (56.38%) Developer
2 68 (11.28%) Front End Developer (Client-Side Developer)
3 67 (11.11%) Full Stack Developer
4 63 (10.45%) Senior Developer
5 57 (9.45%) Java Developer
6 49 (8.13%) JavaScript Developer
7 44 (7.30%) React Developer
8 43 (7.13%) PHP Developer
9 38 (6.30%) .NET Developer
10 36 (5.97%) C# Developer
11 33 (5.47%) Software Engineer
12 30 (4.98%) Angular Developer
13 27 (4.48%) Architect
14 26 (4.31%) JavaScript Engineer
15 25 (4.15%) Web Developer
16 22 (3.65%) Backend Developer
17 21 (3.48%) Lead Developer
17 21 (3.48%) Moodle Developer
18 17 (2.82%) Senior .NET Developer
19 15 (2.49%) Technical Leader
Libraries, Frameworks & Software Standards
1 253 (41.96%) HTML
2 240 (39.80%) CSS
3 227 (37.65%) React
4 199 (33.00%) AngularJS
5 152 (25.21%) .NET
6 150 (24.88%) Node.js
7 96 (15.92%) HTML5
7 96 (15.92%) REST
8 77 (12.77%) Redux
9 72 (11.94%) Web Services
10 69 (11.44%) Vue.js
11 62 (10.28%) ASP.NET
12 46 (7.63%) .NET Core
12 46 (7.63%) CSS3
13 43 (7.13%) Sass
14 42 (6.97%) XML
15 40 (6.63%) Kafka
16 39 (6.47%) Spring
17 38 (6.30%) .NET Framework
18 36 (5.97%) RESTful
Miscellaneous
1 54 (8.96%) Greenfield Project
2 48 (7.96%) User Experience
3 25 (4.15%) Analytical Skills
4 21 (3.48%) e-Learning
5 18 (2.99%) Enterprise Software
5 18 (2.99%) Mobile App
6 12 (1.99%) Derivative
7 11 (1.82%) SCORM
8 9 (1.49%) Algorithms
9 8 (1.33%) Cloud Native
9 8 (1.33%) Self-Motivation
10 7 (1.16%) Hedge funds
11 6 (1.00%) Data Structures
12 5 (0.83%) Clustering
12 5 (0.83%) Interest Rate Derivative
12 5 (0.83%) W3C
13 4 (0.66%) Blog
13 4 (0.66%) Social Media
14 3 (0.50%) Fixed Income
14 3 (0.50%) Foreign Exchange (FX)
Operating Systems
1 50 (8.29%) Linux
2 23 (3.81%) Windows
3 18 (2.99%) Unix
4 5 (0.83%) Mac OS
5 4 (0.66%) Android
5 4 (0.66%) Apple iOS
6 1 (0.17%) Ubuntu
Processes & Methodologies
1 282 (46.77%) Agile Software Development
2 139 (23.05%) TDD
3 126 (20.90%) Microservices
4 120 (19.90%) DevOps
5 106 (17.58%) Software Engineering
6 93 (15.42%) Web Development
7 85 (14.10%) Front End Development
8 83 (13.76%) Scrum
9 77 (12.77%) Test Automation
10 74 (12.27%) Fintech
11 71 (11.77%) OO
12 66 (10.95%) MVC
13 59 (9.78%) Continuous Integration
14 53 (8.79%) BDD
15 46 (7.63%) CRM
16 41 (6.80%) SDLC
17 39 (6.47%) Problem-Solving
18 38 (6.30%) Mentoring
18 38 (6.30%) Open Source
19 35 (5.80%) Artificial Intelligence
Programming Languages
1 177 (29.35%) Java
2 128 (21.23%) Python
3 118 (19.57%) C#
4 110 (18.24%) SQL
5 105 (17.41%) TypeScript
6 72 (11.94%) PHP
7 51 (8.46%) ES6
8 34 (5.64%) Ruby
9 23 (3.81%) C++
9 23 (3.81%) Java 8
10 21 (3.48%) Go
11 18 (2.99%) Kotlin
12 17 (2.82%) Scala
12 17 (2.82%) T-SQL
13 16 (2.65%) PL/SQL
14 8 (1.33%) ES7
15 6 (1.00%) HiveQL
15 6 (1.00%) R
15 6 (1.00%) Shell Script
16 5 (0.83%) Bash Shell
Qualifications
1 57 (9.45%) Degree
2 15 (2.49%) Computer Science Degree
3 14 (2.32%) ISEB
3 14 (2.32%) ISTQB
4 6 (1.00%) Security Cleared
5 5 (0.83%) SC Cleared
6 3 (0.50%) Microsoft Certification
7 2 (0.33%) ITIL Foundation Certificate
8 1 (0.17%) Master's Degree
8 1 (0.17%) Numerate Degree
8 1 (0.17%) PhD
Quality Assurance & Compliance
1 35 (5.80%) QA
2 3 (0.50%) MiFID
2 3 (0.50%) PSD2
3 1 (0.17%) Data Quality
System Software
1 112 (18.57%) Docker
2 7 (1.16%) HDFS
3 3 (0.50%) Active Directory
Systems Management
1 83 (13.76%) Kubernetes
2 31 (5.14%) Terraform
3 9 (1.49%) Ansible
3 9 (1.49%) Grafana
3 9 (1.49%) Kibana
3 9 (1.49%) Puppet
3 9 (1.49%) ZABBIX
4 7 (1.16%) Pingdom
5 4 (0.66%) Istio
6 3 (0.50%) Single Sign-On
7 2 (0.33%) Opscode Chef
8 1 (0.17%) Rancher
Vendors
1 70 (11.61%) Microsoft
2 32 (5.31%) Google
3 21 (3.48%) Oracle
4 18 (2.99%) Salesforce.com
5 8 (1.33%) Apple
5 8 (1.33%) Siebel
5 8 (1.33%) Talend
6 7 (1.16%) Twitter
7 6 (1.00%) Adobe
7 6 (1.00%) Cloudera
7 6 (1.00%) Informatica
8 4 (0.66%) Databricks
8 4 (0.66%) Rackspace
8 4 (0.66%) Tableau
9 3 (0.50%) SAP
9 3 (0.50%) Solace
10 2 (0.33%) IBM
11 1 (0.17%) Dynatrace
11 1 (0.17%) MapR
11 1 (0.17%) Murex