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 3 August 2025, comparing them to the same period in the previous two years.

6 months to
3 Aug 2025
Same period 2024 Same period 2023
Rank 30 41 28
Rank change year-on-year +11 -13 -12
Contract jobs citing JavaScript 114 101 230
As % of all contract jobs advertised in the City of London 6.03% 4.92% 6.96%
As % of the Programming Languages category 15.62% 13.70% 17.61%
Number of daily rates quoted 78 66 117
10th Percentile £413 £421 £320
25th Percentile £451 £488 £425
Median daily rate (50th Percentile) £575 £581 £525
Median % change year-on-year -1.08% +10.71% -4.55%
75th Percentile £638 £688 £650
90th Percentile £686 £771 £780
Central London median daily rate £550 £565 £550
% change year-on-year -2.65% +2.73% -

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 730 737 1,306
As % of all contract IT jobs advertised in the City of London 38.64% 35.93% 39.54%
Number of daily rates quoted 498 506 836
10th Percentile £400 £406 £413
25th Percentile £463 £475 £500
Median daily rate (50th Percentile) £575 £583 £625
Median % change year-on-year -1.29% -6.80% +4.17%
75th Percentile £696 £710 £750
90th Percentile £775 £825 £850
Central London median daily rate £575 £575 £625
% change year-on-year - -8.00% +5.89%
Number of hourly rates quoted 6 0 4
10th Percentile £21.13 - £23.95
25th Percentile £25.88 - £41.50
Median hourly rate £45.00 - £66.25
Median % change year-on-year - - +26.19%
75th Percentile £63.75 - £84.06
90th Percentile £76.25 - £84.63
Central London median hourly rate £40.26 £41.50 £66.25
% change year-on-year -3.00% -37.36% +26.19%

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 3 August 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 3 August 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 - 1 - -
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 6 (5.26%) Apache Spark
1 6 (5.26%) Confluence
2 4 (3.51%) Apache
3 3 (2.63%) SharePoint
4 1 (0.88%) Camunda
4 1 (0.88%) Drupal
4 1 (0.88%) WordPress
Business Applications
1 3 (2.63%) Dynamics CRM
1 3 (2.63%) OpenText MBPM
1 3 (2.63%) Oracle BPM
2 2 (1.75%) Remedy ITSM
3 1 (0.88%) Maximo
3 1 (0.88%) Salesforce CRM
Cloud Services
1 32 (28.07%) AWS
2 26 (22.81%) Azure
3 14 (12.28%) Serverless
4 11 (9.65%) AWS Lambda
4 11 (9.65%) Azure DevOps
5 8 (7.02%) GitHub
6 7 (6.14%) Power Platform
7 6 (5.26%) GCP
8 5 (4.39%) Amazon SQS
8 5 (4.39%) Dynamics 365
9 4 (3.51%) Amazon EKS
9 4 (3.51%) GitHub Actions
9 4 (3.51%) PaaS
9 4 (3.51%) Power Automate
9 4 (3.51%) PowerApps
10 3 (2.63%) Azure AKS
10 3 (2.63%) Azure Monitor
10 3 (2.63%) npm
10 3 (2.63%) Snowflake
10 3 (2.63%) Yarn
Communications & Networking
1 5 (4.39%) HTTP
2 2 (1.75%) DHCP
2 2 (1.75%) DNS
2 2 (1.75%) SSL
2 2 (1.75%) TCP/IP
2 2 (1.75%) VPN
3 1 (0.88%) Firewall
3 1 (0.88%) HTTPS
Database & Business Intelligence
1 17 (14.91%) NoSQL
2 16 (14.04%) MongoDB
3 14 (12.28%) SQL Server
4 13 (11.40%) PostgreSQL
5 6 (5.26%) Big Data
5 6 (5.26%) Redis
6 5 (4.39%) DocumentDB
6 5 (4.39%) DynamoDB
6 5 (4.39%) Hadoop
7 4 (3.51%) Amazon RDS
7 4 (3.51%) Tableau
8 3 (2.63%) Apache Hive
8 3 (2.63%) DB2
8 3 (2.63%) Relational Database
9 2 (1.75%) Amazon Aurora
9 2 (1.75%) Data Lake
9 2 (1.75%) Data Warehouse
9 2 (1.75%) Spark SQL
10 1 (0.88%) Azure SQL Database
10 1 (0.88%) MySQL
Development Applications
1 16 (14.04%) Git
2 10 (8.77%) JIRA
3 8 (7.02%) Jenkins
4 5 (4.39%) Cypress.io
4 5 (4.39%) SonarQube
5 4 (3.51%) GitLab
5 4 (3.51%) Selenium
5 4 (3.51%) TeamCity
5 4 (3.51%) webpack
6 3 (2.63%) Babel
6 3 (2.63%) JMeter
6 3 (2.63%) LoadRunner
6 3 (2.63%) Postman
6 3 (2.63%) Storybook
7 2 (1.75%) Ant
7 2 (1.75%) NUnit
7 2 (1.75%) REST Assured
8 1 (0.88%) JUnit
8 1 (0.88%) Maven
8 1 (0.88%) Vite
General
1 35 (30.70%) Social Skills
2 25 (21.93%) Finance
3 23 (20.18%) Banking
4 16 (14.04%) Public Sector
5 10 (8.77%) Analytical Skills
6 9 (7.89%) Investment Banking
7 4 (3.51%) Corporate Banking
7 4 (3.51%) Retail
7 4 (3.51%) Retail Banking
8 3 (2.63%) Marketing
8 3 (2.63%) Presentation Skills
8 3 (2.63%) Telecoms
9 2 (1.75%) Back Office
9 2 (1.75%) Front Office
9 2 (1.75%) Inclusion and Diversity
9 2 (1.75%) Legal
10 1 (0.88%) Advertising
10 1 (0.88%) Multimedia
Job Titles
1 63 (55.26%) Developer
2 15 (13.16%) Full-Stack Developer
3 13 (11.40%) Java Developer
4 10 (8.77%) React Developer
5 8 (7.02%) SC Cleared Java Developer
6 7 (6.14%) Lead
6 7 (6.14%) Senior
7 6 (5.26%) Architect
7 6 (5.26%) Full-Stack Python Developer
7 6 (5.26%) JavaScript Engineer
7 6 (5.26%) Python Developer
7 6 (5.26%) Software Engineer
8 5 (4.39%) ServiceNow Developer
9 4 (3.51%) Consultant
9 4 (3.51%) Front-End Developer (Client-Side Developer)
9 4 (3.51%) Power Platform Developer
9 4 (3.51%) Salesforce Developer
10 3 (2.63%) JavaScript Developer
10 3 (2.63%) Solutions Architect
10 3 (2.63%) SQL Developer
Libraries, Frameworks & Software Standards
1 46 (40.35%) HTML
2 42 (36.84%) CSS
2 42 (36.84%) React
3 24 (21.05%) .NET
4 21 (18.42%) REST
5 20 (17.54%) RESTful
6 18 (15.79%) Node.js
7 16 (14.04%) AngularJS
7 16 (14.04%) Spring
8 13 (11.40%) Web Services
9 12 (10.53%) jQuery
9 12 (10.53%) Spring Boot
10 10 (8.77%) HTML5
11 9 (7.89%) JSON
11 9 (7.89%) Kafka
12 8 (7.02%) Redux
13 6 (5.26%) Flask
13 6 (5.26%) Jest
13 6 (5.26%) SOAP
14 5 (4.39%) .NET Framework
Miscellaneous
1 6 (5.26%) Cloud Native
2 5 (4.39%) Mobile App
3 4 (3.51%) Data Structures
3 4 (3.51%) Product Ownership
4 3 (2.63%) Blockchain
4 3 (2.63%) Equities
4 3 (2.63%) Low-Code
4 3 (2.63%) Self-Motivation
5 2 (1.75%) Analytical Mindset
5 2 (1.75%) Distributed Computing
5 2 (1.75%) Enterprise Software
5 2 (1.75%) Greenfield Project
5 2 (1.75%) Legacy Systems
5 2 (1.75%) Virtual Team
6 1 (0.88%) Algorithms
6 1 (0.88%) CMDB
6 1 (0.88%) Distributed Applications
6 1 (0.88%) Distributed Systems
6 1 (0.88%) Fixed Income
6 1 (0.88%) Foreign Exchange (FX)
Operating Systems
1 6 (5.26%) Linux
2 5 (4.39%) Unix
Processes & Methodologies
1 60 (52.63%) Agile
2 40 (35.09%) DevOps
3 28 (24.56%) CI/CD
4 25 (21.93%) Microservices
5 22 (19.30%) Full-Stack Development
6 21 (18.42%) Problem-Solving
7 15 (13.16%) User Experience
8 14 (12.28%) API Development
9 13 (11.40%) Scrum
9 13 (11.40%) Web Development
10 12 (10.53%) ITSM
11 11 (9.65%) SDLC
11 11 (9.65%) Software Engineering
12 10 (8.77%) Clean Code
12 10 (8.77%) Computer Science
12 10 (8.77%) Data Modelling
12 10 (8.77%) SOLID
12 10 (8.77%) Test Automation
13 9 (7.89%) Containerisation
13 9 (7.89%) Infrastructure as Code
Programming Languages
1 38 (33.33%) SQL
2 36 (31.58%) Python
3 30 (26.32%) Java
4 22 (19.30%) C#
5 19 (16.67%) TypeScript
6 5 (4.39%) Apex Code
6 5 (4.39%) Perl
6 5 (4.39%) Shell Script
7 4 (3.51%) PowerShell
8 3 (2.63%) DAML
8 3 (2.63%) Go
8 3 (2.63%) Scala
9 2 (1.75%) Bash
9 2 (1.75%) Bicep
9 2 (1.75%) C++
9 2 (1.75%) Kusto Query Language
9 2 (1.75%) Rust
10 1 (0.88%) Groovy
10 1 (0.88%) PHP
10 1 (0.88%) Ruby
Qualifications
1 26 (22.81%) Security Cleared
2 24 (21.05%) SC Cleared
3 10 (8.77%) Degree
4 8 (7.02%) AWS Certified Developer
5 6 (5.26%) Computer Science Degree
6 2 (1.75%) Azure Certification
6 2 (1.75%) DV Cleared
7 1 (0.88%) Microsoft Certification
Quality Assurance & Compliance
1 14 (12.28%) QA
2 11 (9.65%) Accessibility
3 3 (2.63%) Data Quality
3 3 (2.63%) WCAG
4 2 (1.75%) EMIR
4 2 (1.75%) MiFID
5 1 (0.88%) GRC
5 1 (0.88%) PCI DSS
System Software
1 7 (6.14%) Docker
2 1 (0.88%) OpenAM
2 1 (0.88%) OpenDJ
2 1 (0.88%) OpenIDM
Systems Management
1 20 (17.54%) Kubernetes
2 6 (5.26%) Terraform
3 3 (2.63%) Prometheus
3 3 (2.63%) Single Sign-On
4 2 (1.75%) Grafana
5 1 (0.88%) Ansible
5 1 (0.88%) Argo
Vendors
1 13 (11.40%) Microsoft
2 12 (10.53%) ServiceNow
3 10 (8.77%) Oracle
4 6 (5.26%) Salesforce
5 4 (3.51%) Cloudera
6 3 (2.63%) Bloomberg
6 3 (2.63%) OpenText
6 3 (2.63%) Sybase
7 2 (1.75%) BMC
7 2 (1.75%) Foundry
7 2 (1.75%) Google
7 2 (1.75%) HP
7 2 (1.75%) Ivanti
7 2 (1.75%) OutSystems
7 2 (1.75%) Palantir
7 2 (1.75%) Remedy
8 1 (0.88%) Databricks
8 1 (0.88%) ForgeRock
8 1 (0.88%) Splunk
8 1 (0.88%) Talend