Period
to

The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for JavaScript skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited JavaScript over the 6 months to 23 May 2022 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

JavaScript (including ECMAScript)
Central London > City of London
6 months to
23 May 2022
Same period 2021 Same period 2020
Rank 17 18 12
Rank change year-on-year +1 -6 -2
Contract jobs citing JavaScript 341 243 329
As % of all contract jobs advertised in the City of London 8.22% 8.55% 10.38%
As % of the Programming Languages category 18.73% 18.13% 21.46%
Number of daily rates quoted 283 177 231
10th Percentile £401 £360 £375
25th Percentile £463 £419 £425
Median daily rate (50th Percentile) £550 £518 £513
Median % change year-on-year +6.28% +0.98% +2.50%
75th Percentile £675 £588 £588
90th Percentile £736 £650 £650
Central London median daily rate £550 £500 £515
% change year-on-year +10.00% -2.91% +3.00%
Number of hourly rates quoted 1 0 5
10th Percentile - - £37.55
25th Percentile £46.25 - £44.75
Median hourly rate £47.50 - £48.50
75th Percentile £48.75 - £53.00
90th Percentile - - £55.70
Central London median hourly rate £47.50 £14.00 £48.50
% change year-on-year +239.29% -71.13% +38.57%

JavaScript is in the Programming Languages category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in the City of London with a requirement for coding skills.

All Programming Languages
City of London
Contract vacancies with a requirement for coding skills 1,821 1,340 1,533
As % of all contract IT jobs advertised in the City of London 43.91% 47.13% 48.36%
Number of daily rates quoted 1,410 1,012 1,208
10th Percentile £425 £375 £379
25th Percentile £500 £463 £438
Median daily rate (50th Percentile) £600 £550 £525
Median % change year-on-year +9.09% +4.76% -
75th Percentile £713 £638 £620
90th Percentile £800 £725 £688
Central London median daily rate £600 £550 £525
% change year-on-year +9.09% +4.76% -
Number of hourly rates quoted 10 5 14
10th Percentile £43.75 £17.09 £23.80
25th Percentile £46.50 £21.73 £25.06
Median hourly rate £57.00 £27.50 £43.00
Median % change year-on-year +107.27% -36.05% +97.70%
75th Percentile £69.25 £33.00 £52.81
90th Percentile £77.18 £35.55 £57.20
Central London median hourly rate £57.00 £24.23 £38.50
% change year-on-year +135.29% -37.08% +71.11%

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
Contractor Daily Rate Trend in the City of London

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

Daily rate trend for JavaScript in the City of London

JavaScript
Daily Rate Histogram in the City of London

Daily rate distribution for jobs citing JavaScript in the City of London over the 6 months to 23 May 2022.

Daily rate histogram for JavaScript in the City of London

JavaScript
Contractor Hourly Rate Trend in the City of London

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

Hourly rate trend for JavaScript in the City of London

JavaScript
Contract Job Locations in the City of London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing JavaScript within the City of London region over the 6 months to 23 May 2022. 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
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Jobs
Moorgate - 1 £565 -
London Bridge - 1 £825 -
JavaScript
Central London

For the 6 months to 23 May 2022, IT contractor 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 contract job ads across the City of London region with a requirement for JavaScript.

1 145 (42.52%) HTML
2 143 (41.94%) React
3 129 (37.83%) Agile
4 121 (35.48%) CSS
5 81 (23.75%) Full Stack Development
6 79 (23.17%) Node.js
6 79 (23.17%) REST
7 77 (22.58%) TypeScript
7 77 (22.58%) Java
8 74 (21.70%) Azure
8 74 (21.70%) AWS
9 72 (21.11%) DevOps
10 71 (20.82%) Git (software)
10 71 (20.82%) CI/CD
11 69 (20.23%) TDD
12 67 (19.65%) HTML5
13 65 (19.06%) AngularJS
14 61 (17.89%) Python
15 56 (16.42%) SQL
16 55 (16.13%) Finance
17 54 (15.84%) Docker
18 52 (15.25%) Microservices
19 50 (14.66%) Front End Development
20 48 (14.08%) C#
21 47 (13.78%) .NET
22 46 (13.49%) JIRA
22 46 (13.49%) Social Skills
23 42 (12.32%) Jenkins
24 40 (11.73%) Redux
25 38 (11.14%) QA

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 21 (6.16%) Confluence
2 14 (4.11%) CMS
3 7 (2.05%) Headless CMS
3 7 (2.05%) SharePoint
4 6 (1.76%) Tomcat
5 4 (1.17%) Apache
5 4 (1.17%) Apache Solr
5 4 (1.17%) Drupal
6 3 (0.88%) Elasticsearch
6 3 (0.88%) IIS
6 3 (0.88%) JBoss
7 2 (0.59%) Apache Airflow
7 2 (0.59%) Cloud Foundry
7 2 (0.59%) Ethereum
7 2 (0.59%) OpenStack
7 2 (0.59%) WebLogic
8 1 (0.29%) Apache Spark
8 1 (0.29%) Jetty
8 1 (0.29%) Strapi
8 1 (0.29%) WordPress
Applications
1 1 (0.29%) Adobe Illustrator
1 1 (0.29%) Blender
1 1 (0.29%) Houdini
1 1 (0.29%) InVision
1 1 (0.29%) Maya
1 1 (0.29%) Sketch
Business Applications
1 2 (0.59%) Dynamics CRM
1 2 (0.59%) WebTrends
2 1 (0.29%) Salesforce.com CRM
2 1 (0.29%) SAP Oil and Gas
Cloud Services
1 74 (21.70%) AWS
1 74 (21.70%) Azure
2 22 (6.45%) GitHub
2 22 (6.45%) Serverless
3 19 (5.57%) AWS Lambda
4 16 (4.69%) GCP
5 13 (3.81%) AWS CloudFormation
6 11 (3.23%) Amazon CloudWatch
7 9 (2.64%) Power Platform
7 9 (2.64%) SaaS
8 8 (2.35%) Google Analytics
9 6 (1.76%) Amazon Kinesis
9 6 (1.76%) Power Automate
9 6 (1.76%) PowerApps
10 5 (1.47%) Azure Logic Apps
10 5 (1.47%) Azure Storage
10 5 (1.47%) IaaS
10 5 (1.47%) Virtual Private Cloud
11 4 (1.17%) Microsoft 365
11 4 (1.17%) PaaS
Communications & Networking
1 9 (2.64%) DNS
1 9 (2.64%) Internet
2 7 (2.05%) Firewall
2 7 (2.05%) HTTP
2 7 (2.05%) SSL
3 6 (1.76%) VPN
4 5 (1.47%) tcpdump
5 2 (0.59%) Intranet
5 2 (0.59%) VSAN
6 1 (0.29%) AMQP
6 1 (0.29%) Broadband
6 1 (0.29%) DHCP
6 1 (0.29%) HTTPS
6 1 (0.29%) IPFS
6 1 (0.29%) SSH
6 1 (0.29%) TCP/IP
Database & Business Intelligence
1 29 (8.50%) SQL Server
2 23 (6.74%) PostgreSQL
3 17 (4.99%) MongoDB
4 15 (4.40%) NoSQL
4 15 (4.40%) Relational Database
5 11 (3.23%) Redis
6 10 (2.93%) RDBMS
7 7 (2.05%) Amazon DynamoDB
8 6 (1.76%) MySQL
9 4 (1.17%) Power BI
9 4 (1.17%) SQL Server Integration Services
9 4 (1.17%) SQL Server Reporting Services
10 3 (0.88%) Big Data
10 3 (0.88%) Data Lake
10 3 (0.88%) DB2
10 3 (0.88%) Oracle Database
11 2 (0.59%) Data Warehouse
11 2 (0.59%) Hadoop
11 2 (0.59%) Hazelcast
12 1 (0.29%) SAP BW
Development Applications
1 71 (20.82%) Git (software)
2 46 (13.49%) JIRA
3 42 (12.32%) Jenkins
4 22 (6.45%) webpack
5 18 (5.28%) Cypress.io
6 17 (4.99%) Cucumber
7 14 (4.11%) Selenium
8 12 (3.52%) Gradle
9 11 (3.23%) Maven
10 10 (2.93%) Postman
11 9 (2.64%) TeamCity
12 8 (2.35%) Protractor
13 7 (2.05%) Bitbucket
13 7 (2.05%) JUnit
14 6 (1.76%) Babel
14 6 (1.76%) gulp
14 6 (1.76%) Visual Studio Team System
15 5 (1.47%) Grunt
15 5 (1.47%) Jasmine
16 4 (1.17%) GitLab
General
1 55 (16.13%) Finance
2 46 (13.49%) Social Skills
3 37 (10.85%) Banking
4 13 (3.81%) Analytical Skills
4 13 (3.81%) Financial Institution
4 13 (3.81%) Legal
5 10 (2.93%) Investment Banking
6 7 (2.05%) Retail
7 6 (1.76%) Front Office
8 5 (1.47%) Presentation Skills
9 4 (1.17%) Public Sector
9 4 (1.17%) Telecoms
10 3 (0.88%) Documentation Skills
10 3 (0.88%) Law
10 3 (0.88%) Retail Banking
11 2 (0.59%) Advertising
11 2 (0.59%) Automotive
11 2 (0.59%) Marketing
11 2 (0.59%) Publishing
11 2 (0.59%) Tech for Good
Job Titles
1 241 (70.67%) Developer
2 53 (15.54%) Senior Developer
3 41 (12.02%) Full Stack Developer
4 40 (11.73%) React Developer
5 29 (8.50%) JavaScript Developer
6 25 (7.33%) Java Developer
7 24 (7.04%) Front End Developer (Client-Side Developer)
7 24 (7.04%) Python Developer
8 21 (6.16%) .NET Developer
9 20 (5.87%) Angular Developer
10 19 (5.57%) Node.js Developer
11 15 (4.40%) Architect
11 15 (4.40%) PHP Developer
11 15 (4.40%) UI Developer
12 14 (4.11%) Senior Python Developer
13 12 (3.52%) Software Engineer
14 11 (3.23%) DevOps Engineer
15 9 (2.64%) AWS Engineer
15 9 (2.64%) Senior UI Developer
16 8 (2.35%) Senior .NET Developer
Libraries, Frameworks & Software Standards
1 145 (42.52%) HTML
2 143 (41.94%) React
3 121 (35.48%) CSS
4 79 (23.17%) Node.js
4 79 (23.17%) REST
5 67 (19.65%) HTML5
6 65 (19.06%) AngularJS
7 47 (13.78%) .NET
8 40 (11.73%) Redux
9 35 (10.26%) CSS3
10 34 (9.97%) Spring
11 32 (9.38%) Vue.js
12 30 (8.80%) Web Services
13 29 (8.50%) RESTful
14 27 (7.92%) GraphQL
15 26 (7.62%) Sass
16 23 (6.74%) Django
17 22 (6.45%) JSON
18 19 (5.57%) Jest
18 19 (5.57%) Spring Boot
Miscellaneous
1 37 (10.85%) User Experience
2 23 (6.74%) Greenfield Project
3 15 (4.40%) Enterprise Software
4 13 (3.81%) Cloud Native
4 13 (3.81%) Hedge funds
5 11 (3.23%) Mobile App
6 10 (2.93%) Public Cloud
7 8 (2.35%) Clustering
8 5 (1.47%) Data Structures
8 5 (1.47%) Linux Command Line
8 5 (1.47%) Self-Motivation
9 4 (1.17%) Analytical Mindset
9 4 (1.17%) Data Centre
10 3 (0.88%) Blockchain
10 3 (0.88%) CMDB
10 3 (0.88%) Derivative
10 3 (0.88%) Graphic Design
11 2 (0.59%) Credit Risk
11 2 (0.59%) Mainframe
11 2 (0.59%) PKI
Operating Systems
1 19 (5.57%) Linux
2 8 (2.35%) Unix
3 6 (1.76%) Android
4 5 (1.47%) Windows
5 4 (1.17%) Apple iOS
6 1 (0.29%) Red Hat Enterprise Linux
Processes & Methodologies
1 129 (37.83%) Agile
2 81 (23.75%) Full Stack Development
3 72 (21.11%) DevOps
4 71 (20.82%) CI/CD
5 69 (20.23%) TDD
6 52 (15.25%) Microservices
7 50 (14.66%) Front End Development
8 37 (10.85%) Test Automation
9 36 (10.56%) Unit Testing
9 36 (10.56%) Web Development
10 35 (10.26%) Scrum
10 35 (10.26%) Software Engineering
11 29 (8.50%) Problem-Solving
12 27 (7.92%) BDD
12 27 (7.92%) OO
13 26 (7.62%) MVC
14 23 (6.74%) Clean Code
15 22 (6.45%) Continuous Integration
16 20 (5.87%) UX Design
17 19 (5.57%) API Testing
Programming Languages
1 77 (22.58%) Java
1 77 (22.58%) TypeScript
2 61 (17.89%) Python
3 56 (16.42%) SQL
4 48 (14.08%) C#
5 22 (6.45%) ES6
6 18 (5.28%) PHP
7 17 (4.99%) Ruby
8 15 (4.40%) Bash
9 10 (2.93%) Go
10 8 (2.35%) Perl
11 5 (1.47%) Kotlin
11 5 (1.47%) PowerShell
11 5 (1.47%) T-SQL
12 4 (1.17%) C
12 4 (1.17%) C++
12 4 (1.17%) Scala
13 2 (0.59%) Objective-C
13 2 (0.59%) Shell Script
13 2 (0.59%) XPath
Qualifications
1 23 (6.74%) Security Cleared
2 20 (5.87%) SC Cleared
3 6 (1.76%) Degree
4 5 (1.47%) Computer Science Degree
4 5 (1.47%) ISTQB
5 3 (0.88%) AWS Certification
6 2 (0.59%) BPSS Clearance
6 2 (0.59%) CCIE
6 2 (0.59%) CCNA
6 2 (0.59%) CCNP
6 2 (0.59%) Cisco Certification
6 2 (0.59%) DV Cleared
6 2 (0.59%) ITIL Foundation Certificate
6 2 (0.59%) VMware Certified Professional (VCP)
7 1 (0.29%) CTC Cleared
7 1 (0.29%) ISTQB Foundation Certification
7 1 (0.29%) Master's Degree
7 1 (0.29%) Microsoft Certification
Quality Assurance & Compliance
1 38 (11.14%) QA
2 18 (5.28%) Accessibility
3 13 (3.81%) GDPR
4 3 (0.88%) WCAG
5 1 (0.29%) Data Quality
5 1 (0.29%) SLA
System Software
1 54 (15.84%) Docker
2 3 (0.88%) Active Directory
2 3 (0.88%) VMware Infrastructure
3 2 (0.59%) vCloud
3 2 (0.59%) VMware NSX
3 2 (0.59%) vSphere
4 1 (0.29%) Firmware
4 1 (0.29%) Hyper-V
Systems Management
1 34 (9.97%) Kubernetes
2 20 (5.87%) Terraform
3 12 (3.52%) Ansible
4 7 (2.05%) Opscode Chef
4 7 (2.05%) Puppet
5 3 (0.88%) Salt
6 2 (0.59%) Single Sign-On
6 2 (0.59%) vRealize
7 1 (0.29%) Grafana
7 1 (0.29%) Microsoft Intune
Vendors
1 27 (7.92%) Microsoft
2 15 (4.40%) Google
3 12 (3.52%) Oracle
4 7 (2.05%) ServiceNow
5 5 (1.47%) Atlassian
6 4 (1.17%) Databricks
7 3 (0.88%) Salesforce.com
7 3 (0.88%) Sitecore
7 3 (0.88%) VMware
8 2 (0.59%) Cisco
8 2 (0.59%) FatWire
8 2 (0.59%) MuleSoft
8 2 (0.59%) Okta
8 2 (0.59%) Ping Identity
8 2 (0.59%) SAP
9 1 (0.29%) Adobe
9 1 (0.29%) Cloudamize
9 1 (0.29%) EMC
9 1 (0.29%) Gigya
9 1 (0.29%) IBM