JavaScript Contracts in Central London

JavaScript (including ECMAScript)
London > Central London

The table below provides summary statistics for contract job vacancies advertised in Central 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 July 2025, comparing them to the same period in the previous two years.

6 months to
1 Jul 2025
Same period 2024 Same period 2023
Rank 34 45 28
Rank change year-on-year +11 -17 -8
Contract jobs citing JavaScript 113 111 274
As % of all contract jobs advertised in Central London 5.77% 4.73% 7.39%
As % of the Programming Languages category 15.05% 12.89% 18.51%
Number of daily rates quoted 75 78 154
10th Percentile £404 £423 £378
25th Percentile £425 £466 £463
Median daily rate (50th Percentile) £550 £550 £550
75th Percentile £638 £638 £672
90th Percentile £692 £755 £775
London median daily rate £575 £600 £575
% change year-on-year -4.17% +4.35% -4.17%
Number of hourly rates quoted 1 0 0
10th Percentile - - -
25th Percentile £50.72 - -
Median hourly rate £51.44 - -
75th Percentile £52.16 - -
90th Percentile - - -
London median hourly rate £34.50 £45.75 £70.00
% change year-on-year -24.59% -34.64% +40.00%

All Programming Languages
Central 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 Central London.

Contract vacancies with a requirement for coding skills 751 861 1,480
As % of all contract IT jobs advertised in Central London 38.38% 36.70% 39.94%
Number of daily rates quoted 509 615 962
10th Percentile £404 £412 £413
25th Percentile £463 £475 £505
Median daily rate (50th Percentile) £575 £565 £625
Median % change year-on-year +1.77% -9.60% +4.17%
75th Percentile £694 £688 £738
90th Percentile £775 £800 £838
London median daily rate £550 £575 £600
% change year-on-year -4.35% -4.17% -
Number of hourly rates quoted 6 1 4
10th Percentile £21.13 - £23.95
25th Percentile £26.58 £46.75 £41.50
Median hourly rate £40.26 £48.50 £66.25
Median % change year-on-year -17.00% -26.79% +26.19%
75th Percentile £60.85 £50.25 £84.06
90th Percentile £76.25 - £84.63
London median hourly rate £40.50 £50.25 £60.00
% change year-on-year -19.40% -16.25% +20.00%

JavaScript
Job Vacancy Trend in Central London

Job postings citing JavaScript as a proportion of all IT jobs advertised in Central London.

Job vacancy trend for JavaScript in Central London

JavaScript
Contractor Daily Rate Trend in Central London

3-month moving average daily rate quoted in jobs citing JavaScript in Central London.

Daily rate trend for JavaScript in Central London

JavaScript
Daily Rate Histogram in Central London

Daily rate distribution for jobs citing JavaScript in Central London over the 6 months to 1 July 2025.

Daily rate histogram for JavaScript in Central London

JavaScript
Contractor Hourly Rate Trend in Central London

3-month moving average hourly rates quoted in jobs citing JavaScript in Central London.

Hourly rate trend for JavaScript in Central London

JavaScript
Contract Job Locations in Central 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 Central London region over the 6 months to 1 July 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
City of London +9 107 £550 -2.65% 302
West End of London +2 2 £500 +2.56% 12
City of Westminster -3 1 - - 5
Southwark - 1 - - 5
JavaScript
London

JavaScript
Co-occurring Skills and Capabilities in Central 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 6 (5.31%) Apache Spark
1 6 (5.31%) SharePoint
2 4 (3.54%) Apache
3 2 (1.77%) Confluence
4 1 (0.88%) Camunda
4 1 (0.88%) CMS
4 1 (0.88%) Drupal
Applications
1 1 (0.88%) Adobe Creative Suite
1 1 (0.88%) Microsoft Excel
1 1 (0.88%) Microsoft Office
Business Applications
1 4 (3.54%) Dynamics CRM
2 3 (2.65%) OpenText MBPM
2 3 (2.65%) Oracle BPM
3 1 (0.88%) Endur
3 1 (0.88%) Maximo
3 1 (0.88%) Oracle EBS
3 1 (0.88%) Salesforce CRM
Cloud Services
1 33 (29.20%) Azure
2 32 (28.32%) AWS
3 15 (13.27%) Serverless
4 11 (9.73%) AWS Lambda
4 11 (9.73%) Azure DevOps
5 10 (8.85%) Power Platform
6 8 (7.08%) GCP
6 8 (7.08%) GitHub
7 6 (5.31%) Dynamics 365
7 6 (5.31%) PowerApps
8 5 (4.42%) Amazon SQS
8 5 (4.42%) Power Automate
9 4 (3.54%) Amazon EKS
9 4 (3.54%) GitHub Actions
9 4 (3.54%) PaaS
10 3 (2.65%) Azure AKS
10 3 (2.65%) Azure Monitor
10 3 (2.65%) npm
10 3 (2.65%) Yarn
11 2 (1.77%) Azure Data Factory
Communications & Networking
1 5 (4.42%) HTTP
2 2 (1.77%) DHCP
2 2 (1.77%) DNS
2 2 (1.77%) TCP/IP
2 2 (1.77%) VPN
3 1 (0.88%) Firewall
3 1 (0.88%) HTTPS
Database & Business Intelligence
1 17 (15.04%) NoSQL
1 17 (15.04%) PostgreSQL
2 16 (14.16%) MongoDB
3 15 (13.27%) SQL Server
4 9 (7.96%) Redis
5 6 (5.31%) Big Data
6 5 (4.42%) DocumentDB
6 5 (4.42%) DynamoDB
6 5 (4.42%) Hadoop
7 4 (3.54%) Amazon RDS
8 3 (2.65%) Apache Hive
8 3 (2.65%) DB2
8 3 (2.65%) Oracle Database
8 3 (2.65%) Relational Database
9 2 (1.77%) Amazon Aurora
9 2 (1.77%) Data Lake
9 2 (1.77%) Data Warehouse
9 2 (1.77%) Spark SQL
10 1 (0.88%) Power BI
10 1 (0.88%) Power Query
Development Applications
1 16 (14.16%) Git
2 11 (9.73%) Jenkins
3 10 (8.85%) JIRA
4 8 (7.08%) SonarQube
5 5 (4.42%) Postman
5 5 (4.42%) REST Assured
6 4 (3.54%) webpack
7 3 (2.65%) Atlassian Bamboo
7 3 (2.65%) Babel
7 3 (2.65%) GitLab
7 3 (2.65%) JMeter
7 3 (2.65%) JUnit
7 3 (2.65%) Maven
7 3 (2.65%) Mockito
7 3 (2.65%) Selenium
7 3 (2.65%) SoapUI
7 3 (2.65%) Subversion
7 3 (2.65%) TeamCity
7 3 (2.65%) Xcode
7 3 (2.65%) XCTest
General
1 33 (29.20%) Social Skills
2 27 (23.89%) Finance
3 22 (19.47%) Banking
4 19 (16.81%) Public Sector
5 10 (8.85%) Analytical Skills
6 8 (7.08%) Investment Banking
7 5 (4.42%) Marketing
8 3 (2.65%) Corporate Banking
8 3 (2.65%) Front Office
8 3 (2.65%) Presentation Skills
8 3 (2.65%) Retail
8 3 (2.65%) Retail Banking
9 2 (1.77%) Back Office
9 2 (1.77%) Inclusion and Diversity
9 2 (1.77%) Legal
9 2 (1.77%) Telecoms
10 1 (0.88%) Advertising
10 1 (0.88%) Multimedia
Job Titles
1 65 (57.52%) Developer
2 15 (13.27%) Java Developer
3 13 (11.50%) Full-Stack Developer
4 9 (7.96%) React Developer
4 9 (7.96%) SC Cleared Java Developer
5 7 (6.19%) Lead
5 7 (6.19%) Software Engineer
6 6 (5.31%) Architect
6 6 (5.31%) Full-Stack Python Developer
6 6 (5.31%) JavaScript Engineer
6 6 (5.31%) Python Developer
7 5 (4.42%) ServiceNow Developer
8 4 (3.54%) Front-End Developer (Client-Side Developer)
8 4 (3.54%) Power Platform Developer
8 4 (3.54%) Senior
9 3 (2.65%) Django Developer
9 3 (2.65%) Java Engineer
9 3 (2.65%) JavaScript Developer
9 3 (2.65%) Salesforce Developer
9 3 (2.65%) SQL Developer
Libraries, Frameworks & Software Standards
1 42 (37.17%) HTML
2 41 (36.28%) React
3 40 (35.40%) CSS
4 26 (23.01%) .NET
5 25 (22.12%) REST
6 18 (15.93%) Node.js
6 18 (15.93%) Spring
7 16 (14.16%) RESTful
7 16 (14.16%) Web Services
8 15 (13.27%) AngularJS
8 15 (13.27%) Spring Boot
9 13 (11.50%) Kafka
10 10 (8.85%) jQuery
11 9 (7.96%) SOAP
12 7 (6.19%) HTML5
12 7 (6.19%) JSON
13 6 (5.31%) Bootstrap
13 6 (5.31%) Redux
14 5 (4.42%) Jest
14 5 (4.42%) Vue
Miscellaneous
1 6 (5.31%) Cloud Native
2 4 (3.54%) Data Structures
3 3 (2.65%) Blockchain
3 3 (2.65%) Distributed Systems
3 3 (2.65%) Equities
3 3 (2.65%) Mobile App
3 3 (2.65%) Product Ownership
3 3 (2.65%) Self-Motivation
4 2 (1.77%) Analytical Mindset
4 2 (1.77%) CMDB
4 2 (1.77%) Distributed Computing
4 2 (1.77%) Enterprise Software
4 2 (1.77%) Greenfield Project
4 2 (1.77%) Legacy Systems
4 2 (1.77%) Low-Code
4 2 (1.77%) Management Information System
4 2 (1.77%) Virtual Team
5 1 (0.88%) Algorithms
5 1 (0.88%) Distributed Applications
5 1 (0.88%) Fixed Income
Operating Systems
1 8 (7.08%) Unix
2 6 (5.31%) Linux
Processes & Methodologies
1 51 (45.13%) Agile
2 35 (30.97%) DevOps
3 27 (23.89%) Microservices
4 23 (20.35%) Problem-Solving
5 22 (19.47%) CI/CD
6 21 (18.58%) Full-Stack Development
7 14 (12.39%) API Development
7 14 (12.39%) SDLC
7 14 (12.39%) Web Development
8 12 (10.62%) Software Engineering
9 11 (9.73%) ITSM
9 11 (9.73%) SOLID
10 10 (8.85%) Computer Science
10 10 (8.85%) Data Modelling
10 10 (8.85%) Mentoring
10 10 (8.85%) User Experience
11 9 (7.96%) Clean Code
11 9 (7.96%) Front End Development
11 9 (7.96%) MVC
11 9 (7.96%) Unit Testing
Programming Languages
1 39 (34.51%) SQL
2 36 (31.86%) Python
3 32 (28.32%) Java
4 26 (23.01%) C#
5 14 (12.39%) TypeScript
6 8 (7.08%) Shell Script
7 5 (4.42%) Perl
7 5 (4.42%) PowerShell
8 4 (3.54%) Groovy
9 3 (2.65%) Apex Code
9 3 (2.65%) DAML
9 3 (2.65%) Go
9 3 (2.65%) Scala
10 2 (1.77%) Bash
10 2 (1.77%) Bicep
10 2 (1.77%) C++
10 2 (1.77%) Kusto Query Language
10 2 (1.77%) Ruby
10 2 (1.77%) Rust
11 1 (0.88%) COBOL
Qualifications
1 25 (22.12%) Security Cleared
2 24 (21.24%) SC Cleared
3 12 (10.62%) Degree
4 9 (7.96%) AWS Certified Developer
5 6 (5.31%) Computer Science Degree
6 2 (1.77%) Azure Certification
6 2 (1.77%) DV Cleared
7 1 (0.88%) BPSS Clearance
7 1 (0.88%) Microsoft Certification
Quality Assurance & Compliance
1 10 (8.85%) QA
2 9 (7.96%) Accessibility
3 2 (1.77%) EMIR
3 2 (1.77%) MiFID
3 2 (1.77%) WCAG
4 1 (0.88%) Data Quality
4 1 (0.88%) GRC
4 1 (0.88%) ISO/IEC 27001
4 1 (0.88%) PCI DSS
System Software
1 9 (7.96%) Docker
2 1 (0.88%) Active Directory
2 1 (0.88%) OpenAM
2 1 (0.88%) OpenDJ
2 1 (0.88%) OpenIDM
Systems Management
1 25 (22.12%) Kubernetes
2 6 (5.31%) Terraform
3 3 (2.65%) Prometheus
4 2 (1.77%) Grafana
5 1 (0.88%) Ansible
5 1 (0.88%) Argo
5 1 (0.88%) Single Sign-On
Vendors
1 15 (13.27%) Microsoft
2 14 (12.39%) Oracle
3 12 (10.62%) ServiceNow
4 5 (4.42%) Splunk
5 4 (3.54%) Salesforce
6 3 (2.65%) CA Agile Central
6 3 (2.65%) Dynatrace
6 3 (2.65%) OpenText
6 3 (2.65%) Sybase
7 2 (1.77%) Cloudera
7 2 (1.77%) Foundry
7 2 (1.77%) Palantir
8 1 (0.88%) Adobe
8 1 (0.88%) AppDynamics
8 1 (0.88%) Bloomberg
8 1 (0.88%) ForgeRock
8 1 (0.88%) Google
8 1 (0.88%) Hitachi
8 1 (0.88%) OpenLink
8 1 (0.88%) Talend