JavaScript Contracts in the City of London

JavaScript (including ECMAScript)
Central London > City of London

The table below provides summary statistics for contract job vacancies advertised in the City of London requiring JavaScript skills. It includes a benchmarking guide to the contractor rates offered in vacancies that cited JavaScript over the 6 months leading up to 1 May 2025, comparing them to the same period in the previous two years.

6 months to
1 May 2025
Same period 2024 Same period 2023
Rank 29 43 22
Rank change year-on-year +14 -21 -3
Contract jobs citing JavaScript 110 98 276
As % of all contract jobs advertised in the City of London 6.26% 4.46% 7.58%
As % of the Programming Languages category 15.58% 13.17% 17.41%
Number of daily rates quoted 73 66 154
10th Percentile £425 £421 £390
25th Percentile £477 £463 £463
Median daily rate (50th Percentile) £585 £565 £535
Median % change year-on-year +3.54% +5.61% -2.73%
75th Percentile £638 £684 £694
90th Percentile £698 £759 £821
Central London median daily rate £585 £550 £533
% change year-on-year +6.36% +3.29% -3.18%

All Programming Languages
City of London

JavaScript falls under the Programming Languages category. For comparison with the information above, the following table provides summary statistics for all contract job vacancies requiring coding skills in the City of London.

Contract vacancies with a requirement for coding skills 706 744 1,585
As % of all contract IT jobs advertised in the City of London 40.21% 33.86% 43.51%
Number of daily rates quoted 466 530 1,040
10th Percentile £413 £406 £425
25th Percentile £463 £463 £513
Median daily rate (50th Percentile) £577 £575 £625
Median % change year-on-year +0.26% -8.00% +4.17%
75th Percentile £694 £688 £738
90th Percentile £788 £788 £825
Central London median daily rate £575 £565 £620
% change year-on-year +1.77% -8.87% +3.33%
Number of hourly rates quoted 0 1 8
10th Percentile - - £35.00
25th Percentile - £46.75 £47.19
Median hourly rate - £48.50 £57.50
Median % change year-on-year - -15.65% -4.96%
75th Percentile - £50.25 £65.00
90th Percentile - - £84.13
Central London median hourly rate £29.07 £48.50 £57.50
% change year-on-year -40.06% -15.65% -4.96%

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 1 May 2025.

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 1 May 2025. 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
London Bridge - 2 £425 -
JavaScript
Central London

JavaScript
Co-occurring Skills and Capabilities in the City of London by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same employment type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 4 (3.64%) Apache
1 4 (3.64%) Apache Spark
2 3 (2.73%) Confluence
2 3 (2.73%) SharePoint
3 2 (1.82%) BizTalk Server
3 2 (1.82%) CMS
3 2 (1.82%) WordPress
4 1 (0.91%) nginx
Applications
1 3 (2.73%) Microsoft Excel
2 2 (1.82%) Adobe Creative Suite
2 2 (1.82%) Microsoft Office
Business Applications
1 3 (2.73%) Dynamics CRM
2 2 (1.82%) Oracle EBS
3 1 (0.91%) Endur
3 1 (0.91%) Salesforce CRM
3 1 (0.91%) SAP S/4HANA
Cloud Services
1 45 (40.91%) AWS
2 28 (25.45%) Azure
3 14 (12.73%) Serverless
4 12 (10.91%) AWS Lambda
5 11 (10.00%) Power Platform
6 9 (8.18%) Azure DevOps
7 8 (7.27%) GitHub
8 6 (5.45%) Amazon SQS
9 5 (4.55%) Amazon EKS
9 5 (4.55%) Dynamics 365
9 5 (4.55%) GitHub Actions
9 5 (4.55%) Power Automate
9 5 (4.55%) PowerApps
10 4 (3.64%) Azure AKS
10 4 (3.64%) Azure Monitor
10 4 (3.64%) GCP
11 3 (2.73%) Azure Logic Apps
11 3 (2.73%) Entra ID
12 2 (1.82%) Amazon Cognito
12 2 (1.82%) Azure Sentinel
Communications & Networking
1 5 (4.55%) HTTP
2 2 (1.82%) DHCP
2 2 (1.82%) DNS
2 2 (1.82%) TCP/IP
2 2 (1.82%) VPN
3 1 (0.91%) HTTPS
Database & Business Intelligence
1 26 (23.64%) PostgreSQL
2 23 (20.91%) MongoDB
3 21 (19.09%) NoSQL
4 13 (11.82%) SQL Server
5 7 (6.36%) Redis
6 5 (4.55%) DocumentDB
6 5 (4.55%) DynamoDB
7 4 (3.64%) Amazon RDS
7 4 (3.64%) Big Data
8 3 (2.73%) DB2
8 3 (2.73%) Hadoop
8 3 (2.73%) Relational Database
9 2 (1.82%) Amazon Aurora
9 2 (1.82%) Power BI
9 2 (1.82%) Power Query
9 2 (1.82%) SQL Server Integration Services
9 2 (1.82%) Tableau
10 1 (0.91%) Apache Hive
10 1 (0.91%) Azure SQL Database
10 1 (0.91%) Elasticsearch
Development Applications
1 17 (15.45%) Git
2 9 (8.18%) Jenkins
3 8 (7.27%) SonarQube
4 5 (4.55%) JIRA
4 5 (4.55%) Selenium
5 4 (3.64%) TeamCity
6 3 (2.73%) Bitbucket
6 3 (2.73%) JMeter
6 3 (2.73%) NUnit
6 3 (2.73%) webpack
7 2 (1.82%) Ant
7 2 (1.82%) Babel
7 2 (1.82%) Cucumber
7 2 (1.82%) Cypress.io
7 2 (1.82%) LoadRunner
7 2 (1.82%) Postman
7 2 (1.82%) REST Assured
7 2 (1.82%) WebDriver
8 1 (0.91%) Mocha
8 1 (0.91%) PHPUnit
General
1 28 (25.45%) Public Sector
2 24 (21.82%) Social Skills
3 18 (16.36%) Finance
4 13 (11.82%) Banking
5 9 (8.18%) Analytical Skills
6 7 (6.36%) Investment Banking
7 5 (4.55%) Marketing
8 4 (3.64%) Front Office
9 3 (2.73%) Presentation Skills
10 2 (1.82%) Back Office
10 2 (1.82%) Inclusion and Diversity
10 2 (1.82%) Retail
10 2 (1.82%) Telecoms
11 1 (0.91%) Corporate Banking
11 1 (0.91%) Documentation Skills
11 1 (0.91%) Financial Institution
11 1 (0.91%) Multimedia
11 1 (0.91%) Organisational Skills
11 1 (0.91%) Retail Banking
Job Titles
1 61 (55.45%) Developer
2 20 (18.18%) Java Developer
3 16 (14.55%) SC Cleared Java Developer
4 14 (12.73%) Software Engineer
5 11 (10.00%) Full-Stack Developer
6 10 (9.09%) Lead
7 8 (7.27%) Architect
8 6 (5.45%) JavaScript Engineer
8 6 (5.45%) React Developer
8 6 (5.45%) Senior
9 5 (4.55%) Power Platform Developer
9 5 (4.55%) ServiceNow Architect
9 5 (4.55%) ServiceNow Developer
9 5 (4.55%) Software Developer
10 4 (3.64%) Algorithm Engineer
10 4 (3.64%) Senior Software Engineer
10 4 (3.64%) Solutions Architect
11 3 (2.73%) Consultant
11 3 (2.73%) Lead Developer
11 3 (2.73%) Technical Architect
Libraries, Frameworks & Software Standards
1 46 (41.82%) React
2 37 (33.64%) HTML
3 34 (30.91%) CSS
4 30 (27.27%) .NET
5 20 (18.18%) Spring
6 19 (17.27%) Node.js
6 19 (17.27%) RESTful
7 17 (15.45%) Kafka
7 17 (15.45%) Web Services
8 16 (14.55%) Spring Boot
9 12 (10.91%) REST
10 11 (10.00%) AngularJS
11 9 (8.18%) jQuery
12 8 (7.27%) JSON
13 7 (6.36%) .NET Core
13 7 (6.36%) SOAP
14 6 (5.45%) ASP.NET
14 6 (5.45%) GraphQL
15 5 (4.55%) ASP.NET Core
15 5 (4.55%) Bootstrap
Miscellaneous
1 6 (5.45%) CMDB
2 5 (4.55%) Cloud Native
3 4 (3.64%) Low-Code
3 4 (3.64%) Management Information System
4 3 (2.73%) Blockchain
4 3 (2.73%) Data Structures
4 3 (2.73%) Equities
4 3 (2.73%) Greenfield Project
4 3 (2.73%) Self-Motivation
5 2 (1.82%) Legacy Systems
6 1 (0.91%) Algorithms
6 1 (0.91%) Analytical Mindset
6 1 (0.91%) Enterprise Software
6 1 (0.91%) Fixed Income
6 1 (0.91%) Foreign Exchange (FX)
6 1 (0.91%) Mobile App
6 1 (0.91%) Product Ownership
Operating Systems
1 6 (5.45%) Linux
2 5 (4.55%) Unix
3 1 (0.91%) SUSE
3 1 (0.91%) Windows
Processes & Methodologies
1 47 (42.73%) Agile
2 46 (41.82%) DevOps
3 29 (26.36%) Microservices
4 26 (23.64%) CI/CD
5 22 (20.00%) Full-Stack Development
6 21 (19.09%) Problem-Solving
6 21 (19.09%) SOLID
7 20 (18.18%) Clean Code
8 19 (17.27%) API Development
9 18 (16.36%) Software Engineering
10 14 (12.73%) ITSM
11 10 (9.09%) SDLC
11 10 (9.09%) Test Automation
12 9 (8.18%) Analytics
12 9 (8.18%) Infrastructure as Code
12 9 (8.18%) Service Management
13 8 (7.27%) Code Quality
13 8 (7.27%) Front End Development
13 8 (7.27%) Web Development
14 7 (6.36%) Mentoring
Programming Languages
1 35 (31.82%) SQL
2 34 (30.91%) Java
3 27 (24.55%) Python
4 23 (20.91%) C#
5 12 (10.91%) TypeScript
6 6 (5.45%) Shell Script
7 5 (4.55%) Perl
8 4 (3.64%) Go
8 4 (3.64%) PowerShell
9 3 (2.73%) Apex Code
9 3 (2.73%) Bicep
9 3 (2.73%) C++
9 3 (2.73%) DAML
9 3 (2.73%) PL/SQL
9 3 (2.73%) Scala
9 3 (2.73%) T-SQL
10 2 (1.82%) Kusto Query Language
10 2 (1.82%) Ruby
10 2 (1.82%) Rust
11 1 (0.91%) PHP
Qualifications
1 41 (37.27%) Security Cleared
2 39 (35.45%) SC Cleared
3 16 (14.55%) AWS Certified Developer
4 5 (4.55%) Computer Science Degree
4 5 (4.55%) Degree
5 3 (2.73%) BPSS Clearance
6 1 (0.91%) Azure Certification
6 1 (0.91%) DV Cleared
Quality Assurance & Compliance
1 5 (4.55%) Accessibility
1 5 (4.55%) QA
2 2 (1.82%) EMIR
2 2 (1.82%) Government Security Classifications
2 2 (1.82%) MiFID
3 1 (0.91%) California Consumer Privacy Act
3 1 (0.91%) GDPR
3 1 (0.91%) WCAG
System Software
1 7 (6.36%) Docker
2 1 (0.91%) Active Directory
2 1 (0.91%) OpenAM
2 1 (0.91%) OpenDJ
2 1 (0.91%) OpenIDM
Systems Management
1 32 (29.09%) Kubernetes
2 7 (6.36%) Terraform
3 3 (2.73%) Ansible
3 3 (2.73%) Prometheus
4 2 (1.82%) Grafana
5 1 (0.91%) Rancher
5 1 (0.91%) Sysdig
Vendors
1 15 (13.64%) Microsoft
2 14 (12.73%) ServiceNow
3 8 (7.27%) Oracle
4 4 (3.64%) Adobe
4 4 (3.64%) Salesforce
5 3 (2.73%) Splunk
5 3 (2.73%) Sybase
6 1 (0.91%) AppDynamics
6 1 (0.91%) Cloudera
6 1 (0.91%) Databricks
6 1 (0.91%) ForgeRock
6 1 (0.91%) Hitachi
6 1 (0.91%) MuleSoft
6 1 (0.91%) OpenLink
6 1 (0.91%) OutSystems
6 1 (0.91%) SAP
6 1 (0.91%) Talend