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 2 July 2025, comparing them to the same period in the previous two years.

6 months to
2 Jul 2025
Same period 2024 Same period 2023
Rank 30 42 28
Rank change year-on-year +12 -14 -12
Contract jobs citing JavaScript 107 98 259
As % of all contract jobs advertised in the City of London 6.01% 4.60% 7.49%
As % of the Programming Languages category 15.26% 12.56% 18.39%
Number of daily rates quoted 71 65 140
10th Percentile £413 £418 £374
25th Percentile £444 £481 £462
Median daily rate (50th Percentile) £550 £565 £531
Median % change year-on-year -2.65% +6.35% -3.41%
75th Percentile £638 £675 £666
90th Percentile £700 £761 £775
Central London median daily rate £550 £550 £550

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 701 780 1,408
As % of all contract IT jobs advertised in the City of London 39.40% 36.60% 40.71%
Number of daily rates quoted 471 545 902
10th Percentile £404 £406 £423
25th Percentile £463 £475 £512
Median daily rate (50th Percentile) £575 £575 £625
Median % change year-on-year - -8.00% +4.17%
75th Percentile £700 £690 £738
90th Percentile £775 £808 £838
Central London median daily rate £575 £565 £625
% change year-on-year +1.77% -9.60% +4.17%
Number of hourly rates quoted 4 1 4
10th Percentile £19.28 - £23.95
25th Percentile £23.44 £46.75 £41.50
Median hourly rate £44.50 £48.50 £66.25
Median % change year-on-year -8.25% -26.79% +26.19%
75th Percentile £70.00 £50.25 £84.06
90th Percentile £81.25 - £84.63
Central London median hourly rate £40.26 £48.50 £66.25
% change year-on-year -17.00% -26.79% +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 2 July 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 2 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
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 (5.61%) Apache Spark
2 4 (3.74%) Apache
2 4 (3.74%) SharePoint
3 2 (1.87%) Confluence
4 1 (0.93%) Camunda
4 1 (0.93%) CMS
4 1 (0.93%) Drupal
Applications
1 1 (0.93%) Adobe Creative Suite
1 1 (0.93%) Microsoft Excel
1 1 (0.93%) Microsoft Office
Business Applications
1 3 (2.80%) Dynamics CRM
1 3 (2.80%) OpenText MBPM
1 3 (2.80%) Oracle BPM
2 1 (0.93%) Endur
2 1 (0.93%) Maximo
2 1 (0.93%) Oracle EBS
2 1 (0.93%) Salesforce CRM
Cloud Services
1 32 (29.91%) AWS
2 29 (27.10%) Azure
3 15 (14.02%) Serverless
4 11 (10.28%) AWS Lambda
4 11 (10.28%) Azure DevOps
5 8 (7.48%) GitHub
5 8 (7.48%) Power Platform
6 7 (6.54%) GCP
7 5 (4.67%) Amazon SQS
7 5 (4.67%) Dynamics 365
7 5 (4.67%) PowerApps
8 4 (3.74%) Amazon EKS
8 4 (3.74%) GitHub Actions
8 4 (3.74%) PaaS
8 4 (3.74%) Power Automate
9 3 (2.80%) Azure AKS
9 3 (2.80%) Azure Monitor
9 3 (2.80%) npm
9 3 (2.80%) Yarn
10 2 (1.87%) Tricentis Tosca
Communications & Networking
1 5 (4.67%) HTTP
2 2 (1.87%) DHCP
2 2 (1.87%) DNS
2 2 (1.87%) TCP/IP
2 2 (1.87%) VPN
3 1 (0.93%) Firewall
3 1 (0.93%) HTTPS
Database & Business Intelligence
1 17 (15.89%) NoSQL
2 16 (14.95%) MongoDB
3 14 (13.08%) PostgreSQL
3 14 (13.08%) SQL Server
4 6 (5.61%) Big Data
4 6 (5.61%) Redis
5 5 (4.67%) DocumentDB
5 5 (4.67%) DynamoDB
5 5 (4.67%) Hadoop
6 4 (3.74%) Amazon RDS
7 3 (2.80%) Apache Hive
7 3 (2.80%) DB2
7 3 (2.80%) Relational Database
8 2 (1.87%) Amazon Aurora
8 2 (1.87%) Data Lake
8 2 (1.87%) Data Warehouse
8 2 (1.87%) Spark SQL
9 1 (0.93%) Azure SQL Database
9 1 (0.93%) MySQL
9 1 (0.93%) Tableau
Development Applications
1 13 (12.15%) Git
2 8 (7.48%) Jenkins
3 6 (5.61%) JIRA
4 5 (4.67%) SonarQube
5 4 (3.74%) webpack
6 3 (2.80%) Babel
6 3 (2.80%) GitLab
6 3 (2.80%) JMeter
6 3 (2.80%) LoadRunner
6 3 (2.80%) Selenium
6 3 (2.80%) TeamCity
7 2 (1.87%) Ant
7 2 (1.87%) Cypress.io
7 2 (1.87%) NUnit
7 2 (1.87%) Postman
7 2 (1.87%) REST Assured
8 1 (0.93%) CircleCI
8 1 (0.93%) Gatling
8 1 (0.93%) Storybook
8 1 (0.93%) Vite
General
1 30 (28.04%) Social Skills
2 24 (22.43%) Finance
3 19 (17.76%) Banking
3 19 (17.76%) Public Sector
4 10 (9.35%) Analytical Skills
5 8 (7.48%) Investment Banking
6 4 (3.74%) Marketing
7 3 (2.80%) Corporate Banking
7 3 (2.80%) Front Office
7 3 (2.80%) Presentation Skills
7 3 (2.80%) Retail
7 3 (2.80%) Retail Banking
8 2 (1.87%) Back Office
8 2 (1.87%) Inclusion and Diversity
8 2 (1.87%) Legal
8 2 (1.87%) Telecoms
9 1 (0.93%) Advertising
9 1 (0.93%) Multimedia
Job Titles
1 62 (57.94%) Developer
2 14 (13.08%) Java Developer
3 13 (12.15%) Full-Stack Developer
4 9 (8.41%) React Developer
4 9 (8.41%) SC Cleared Java Developer
5 7 (6.54%) Lead
5 7 (6.54%) Software Engineer
6 6 (5.61%) Architect
6 6 (5.61%) Full-Stack Python Developer
6 6 (5.61%) JavaScript Engineer
6 6 (5.61%) Python Developer
7 5 (4.67%) ServiceNow Developer
8 4 (3.74%) Front-End Developer (Client-Side Developer)
8 4 (3.74%) Power Platform Developer
8 4 (3.74%) Senior
9 3 (2.80%) Backend Developer
9 3 (2.80%) BPM Developer
9 3 (2.80%) Gen AI Developer
9 3 (2.80%) Java Engineer
9 3 (2.80%) Salesforce Developer
Libraries, Frameworks & Software Standards
1 40 (37.38%) React
2 37 (34.58%) HTML
3 35 (32.71%) CSS
4 26 (24.30%) .NET
5 20 (18.69%) REST
6 18 (16.82%) Node.js
7 16 (14.95%) RESTful
8 15 (14.02%) Spring
9 12 (11.21%) Spring Boot
9 12 (11.21%) Web Services
10 11 (10.28%) AngularJS
11 10 (9.35%) jQuery
11 10 (9.35%) Kafka
12 7 (6.54%) JSON
13 6 (5.61%) Redux
14 5 (4.67%) .NET Framework
14 5 (4.67%) Jest
14 5 (4.67%) SOAP
14 5 (4.67%) Vue
15 4 (3.74%) ASP.NET
Miscellaneous
1 6 (5.61%) Cloud Native
2 4 (3.74%) Data Structures
3 3 (2.80%) Blockchain
3 3 (2.80%) Equities
3 3 (2.80%) Mobile App
3 3 (2.80%) Product Ownership
3 3 (2.80%) Self-Motivation
4 2 (1.87%) Analytical Mindset
4 2 (1.87%) CMDB
4 2 (1.87%) Distributed Computing
4 2 (1.87%) Enterprise Software
4 2 (1.87%) Greenfield Project
4 2 (1.87%) Legacy Systems
4 2 (1.87%) Low-Code
4 2 (1.87%) Management Information System
4 2 (1.87%) Virtual Team
5 1 (0.93%) Algorithms
5 1 (0.93%) Distributed Applications
5 1 (0.93%) Fixed Income
5 1 (0.93%) Foreign Exchange (FX)
Operating Systems
1 6 (5.61%) Linux
2 5 (4.67%) Unix
Processes & Methodologies
1 48 (44.86%) Agile
2 34 (31.78%) DevOps
3 24 (22.43%) Microservices
4 22 (20.56%) CI/CD
5 21 (19.63%) Full-Stack Development
6 20 (18.69%) Problem-Solving
7 14 (13.08%) API Development
8 12 (11.21%) Software Engineering
8 12 (11.21%) Web Development
9 11 (10.28%) ITSM
9 11 (10.28%) SDLC
9 11 (10.28%) SOLID
10 10 (9.35%) Computer Science
10 10 (9.35%) Data Modelling
10 10 (9.35%) User Experience
11 9 (8.41%) Clean Code
11 9 (8.41%) Containerisation
11 9 (8.41%) Infrastructure as Code
12 8 (7.48%) Migration
12 8 (7.48%) Scrum
Programming Languages
1 35 (32.71%) SQL
2 34 (31.78%) Python
3 29 (27.10%) Java
4 24 (22.43%) C#
5 13 (12.15%) TypeScript
6 5 (4.67%) Perl
6 5 (4.67%) Shell Script
7 4 (3.74%) PowerShell
8 3 (2.80%) Apex Code
8 3 (2.80%) DAML
8 3 (2.80%) Go
8 3 (2.80%) Scala
9 2 (1.87%) Bash
9 2 (1.87%) Bicep
9 2 (1.87%) C++
9 2 (1.87%) Kusto Query Language
9 2 (1.87%) Ruby
9 2 (1.87%) Rust
10 1 (0.93%) PHP
10 1 (0.93%) PL/SQL
Qualifications
1 25 (23.36%) Security Cleared
2 24 (22.43%) SC Cleared
3 10 (9.35%) Degree
4 9 (8.41%) AWS Certified Developer
5 6 (5.61%) Computer Science Degree
6 2 (1.87%) Azure Certification
6 2 (1.87%) DV Cleared
7 1 (0.93%) BPSS Clearance
7 1 (0.93%) Microsoft Certification
Quality Assurance & Compliance
1 10 (9.35%) QA
2 9 (8.41%) Accessibility
3 2 (1.87%) EMIR
3 2 (1.87%) MiFID
3 2 (1.87%) WCAG
4 1 (0.93%) Data Quality
4 1 (0.93%) GRC
4 1 (0.93%) PCI DSS
System Software
1 6 (5.61%) Docker
2 1 (0.93%) OpenAM
2 1 (0.93%) OpenDJ
2 1 (0.93%) OpenIDM
Systems Management
1 22 (20.56%) Kubernetes
2 6 (5.61%) Terraform
3 3 (2.80%) Prometheus
4 2 (1.87%) Grafana
5 1 (0.93%) Ansible
5 1 (0.93%) Argo
5 1 (0.93%) Single Sign-On
Vendors
1 13 (12.15%) Microsoft
2 11 (10.28%) Oracle
2 11 (10.28%) ServiceNow
3 4 (3.74%) Salesforce
4 3 (2.80%) OpenText
4 3 (2.80%) Sybase
5 2 (1.87%) Cloudera
5 2 (1.87%) Foundry
5 2 (1.87%) Palantir
5 2 (1.87%) Splunk
6 1 (0.93%) Adobe
6 1 (0.93%) AppDynamics
6 1 (0.93%) Bloomberg
6 1 (0.93%) Databricks
6 1 (0.93%) ForgeRock
6 1 (0.93%) Hitachi
6 1 (0.93%) OpenLink
6 1 (0.93%) OutSystems
6 1 (0.93%) Talend