JavaScript Contracts in London

JavaScript (including ECMAScript)
England > London

The table below provides summary statistics for contract job vacancies advertised in 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 19 June 2025, comparing them to the same period in the previous two years.

6 months to
19 Jun 2025
Same period 2024 Same period 2023
Rank 27 27 25
Rank change year-on-year 0 -2 -8
Contract jobs citing JavaScript 855 1,172 1,793
As % of all contract jobs advertised in London 6.85% 6.60% 7.15%
As % of the Programming Languages category 17.35% 17.42% 17.84%
Number of daily rates quoted 639 919 1,326
10th Percentile £358 £400 £413
25th Percentile £425 £475 £469
Median daily rate (50th Percentile) £575 £600 £575
Median % change year-on-year -4.17% +4.35% -4.17%
75th Percentile £725 £800 £695
90th Percentile £838 £878 £788
England median daily rate £520 £550 £550
% change year-on-year -5.45% - -
Number of hourly rates quoted 11 2 12
10th Percentile - £41.68 £35.10
25th Percentile £33.25 £43.06 £36.41
Median hourly rate £34.50 £45.75 £58.75
Median % change year-on-year -24.59% -22.13% +35.06%
75th Percentile £44.89 £48.06 £75.00
90th Percentile £52.16 £49.23 £75.90
England median hourly rate £62.50 £65.00 £70.00
% change year-on-year -3.85% -7.14% +33.26%

All Programming Languages
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 London.

Contract vacancies with a requirement for coding skills 4,927 6,728 10,049
As % of all contract IT jobs advertised in London 39.47% 37.87% 40.08%
Number of daily rates quoted 3,474 5,102 7,567
10th Percentile £375 £375 £406
25th Percentile £430 £463 £488
Median daily rate (50th Percentile) £550 £575 £600
Median % change year-on-year -4.35% -4.17% -
75th Percentile £700 £700 £738
90th Percentile £825 £838 £828
England median daily rate £520 £538 £560
% change year-on-year -3.35% -3.93% +1.82%
Number of hourly rates quoted 43 50 75
10th Percentile £27.72 £23.80 £25.45
25th Percentile £33.25 £34.99 £41.63
Median hourly rate £40.00 £50.25 £60.00
Median % change year-on-year -20.40% -16.25% +23.71%
75th Percentile £56.88 £62.23 £75.50
90th Percentile £85.00 £72.75 £88.62
England median hourly rate £56.75 £62.50 £62.50
% change year-on-year -9.20% - +19.05%

JavaScript
Job Vacancy Trend in London

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

Job vacancy trend for JavaScript in London

JavaScript
Contractor Daily Rate Trend in London

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

Daily rate trend for JavaScript in London

JavaScript
Daily Rate Histogram in London

Daily rate distribution for jobs citing JavaScript in London over the 6 months to 19 June 2025.

Daily rate histogram for JavaScript in London

JavaScript
Contractor Hourly Rate Trend in London

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

Hourly rate trend for JavaScript in London

JavaScript
Hourly Rate Histogram in London

Hourly rate distribution of jobs citing JavaScript in London over the 6 months to 19 June 2025.

Hourly rate histogram for JavaScript in London

JavaScript
Contract Job Locations in 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 London region over the 6 months to 19 June 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
Central London +12 116 £525 -4.55% 348
West London -10 11 £499 -7.20% 45
South London -6 6 £490 +8.89% 26
East London +6 5 £575 +8.49% 118
JavaScript
England

JavaScript
Co-occurring Skills and Capabilities in 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 65 (7.60%) Apache Airflow
2 45 (5.26%) Apache
3 22 (2.57%) SharePoint
4 19 (2.22%) Confluence
5 17 (1.99%) Apache Spark
6 7 (0.82%) CMS
7 6 (0.70%) nginx
8 4 (0.47%) Appian
8 4 (0.47%) Drupal
9 3 (0.35%) BizTalk Server
9 3 (0.35%) Camunda
10 2 (0.23%) Adobe Experience Manager
10 2 (0.23%) ArcGIS
10 2 (0.23%) govService
10 2 (0.23%) IIS
10 2 (0.23%) Oracle SOA Suite
10 2 (0.23%) Tomcat
11 1 (0.12%) Cloud Foundry
11 1 (0.12%) Microsoft Exchange
11 1 (0.12%) Oracle Workflow
Applications
1 9 (1.05%) Adobe XD
1 9 (1.05%) Sketch
2 3 (0.35%) Microsoft Excel
2 3 (0.35%) Microsoft Office
3 2 (0.23%) Adobe Creative Suite
3 2 (0.23%) Microsoft PowerPoint
3 2 (0.23%) Microsoft Project
4 1 (0.12%) Adobe After Effects
4 1 (0.12%) Adobe Illustrator
4 1 (0.12%) InVision
4 1 (0.12%) MS Visio
4 1 (0.12%) Photoshop
4 1 (0.12%) Trello
Business Applications
1 38 (4.44%) Dynamics CRM
2 6 (0.70%) Shopify
3 5 (0.58%) OpenText MBPM
3 5 (0.58%) Oracle BPM
4 4 (0.47%) Endur
4 4 (0.47%) Remedy ITSM
5 2 (0.23%) NetSuite
5 2 (0.23%) Oracle EBS
6 1 (0.12%) FastStats
6 1 (0.12%) FLEXCUBE
6 1 (0.12%) Magento
6 1 (0.12%) Maximo
6 1 (0.12%) Salesforce CRM
Cloud Services
1 336 (39.30%) AWS
2 212 (24.80%) Azure
3 136 (15.91%) GCP
4 86 (10.06%) Serverless
5 75 (8.77%) Power Platform
6 68 (7.95%) Azure DevOps
7 66 (7.72%) dbt
8 61 (7.13%) GitHub
9 52 (6.08%) AWS Lambda
10 50 (5.85%) Power Automate
11 48 (5.61%) Dynamics 365
12 47 (5.50%) PowerApps
13 34 (3.98%) Snowflake
14 30 (3.51%) GitHub Actions
15 28 (3.27%) Amazon S3
16 24 (2.81%) Azure Logic Apps
17 23 (2.69%) Amazon SQS
18 19 (2.22%) AWS CloudFormation
18 19 (2.22%) Azure Functions
19 18 (2.11%) Azure Data Factory
Communications & Networking
1 26 (3.04%) HTTP
2 11 (1.29%) DNS
3 8 (0.94%) HTTPS
4 7 (0.82%) SSL
5 4 (0.47%) DHCP
5 4 (0.47%) Intranet
5 4 (0.47%) TCP/IP
6 3 (0.35%) Firewall
6 3 (0.35%) POP3
6 3 (0.35%) SMTP
6 3 (0.35%) VPN
7 2 (0.23%) Intrusion Detection
8 1 (0.12%) Broadband
8 1 (0.12%) IPsec
8 1 (0.12%) Kerberos
Database & Business Intelligence
1 109 (12.75%) PostgreSQL
2 65 (7.60%) Amazon Athena
2 65 (7.60%) Apache Arrow
2 65 (7.60%) Apache Iceberg
2 65 (7.60%) Dremio
3 64 (7.49%) SQL Server
4 45 (5.26%) Data Lake
5 43 (5.03%) NoSQL
6 36 (4.21%) Apache Ignite
7 35 (4.09%) Power BI
8 34 (3.98%) MongoDB
9 29 (3.39%) DynamoDB
10 20 (2.34%) Redis
11 17 (1.99%) Relational Database
11 17 (1.99%) SQL Server Reporting Services
12 15 (1.75%) Big Data
13 13 (1.52%) MySQL
14 12 (1.40%) Hadoop
15 10 (1.17%) Amazon RDS
15 10 (1.17%) Neo4j
Development Applications
1 147 (17.19%) Git
2 68 (7.95%) Jenkins
3 63 (7.37%) JIRA
4 42 (4.91%) Cypress.io
5 34 (3.98%) GitLab
6 29 (3.39%) Bitbucket
7 25 (2.92%) webpack
8 23 (2.69%) Selenium
8 23 (2.69%) SonarQube
9 20 (2.34%) TeamCity
10 19 (2.22%) REST Assured
11 16 (1.87%) JMeter
11 16 (1.87%) Postman
12 14 (1.64%) JUnit
12 14 (1.64%) Mocha
13 12 (1.40%) Maven
14 10 (1.17%) CircleCI
14 10 (1.17%) Cucumber
15 9 (1.05%) Gatling
15 9 (1.05%) SoapUI
General
1 280 (32.75%) Finance
2 193 (22.57%) Social Skills
3 167 (19.53%) Banking
4 159 (18.60%) Front Office
5 97 (11.35%) Analytical Skills
6 81 (9.47%) Investment Banking
7 66 (7.72%) Public Sector
8 30 (3.51%) Marketing
9 15 (1.75%) Presentation Skills
10 14 (1.64%) Inclusion and Diversity
10 14 (1.64%) Retail
11 13 (1.52%) Financial Institution
12 11 (1.29%) Telecoms
13 10 (1.17%) Legal
14 9 (1.05%) Back Office
15 7 (0.82%) Organisational Skills
16 6 (0.70%) Local Government
17 5 (0.58%) Documentation Skills
18 4 (0.47%) Corporate Banking
18 4 (0.47%) Retail Banking
Job Titles
1 484 (56.61%) Developer
2 170 (19.88%) Software Engineer
3 130 (15.20%) Senior
4 95 (11.11%) Developer/Software Engineer
5 87 (10.18%) Full-Stack Developer
6 81 (9.47%) AWS Engineer
7 74 (8.65%) React Developer
8 67 (7.84%) AWS Software Engineer
9 62 (7.25%) Architect
10 55 (6.43%) Lead
11 54 (6.32%) Python Developer
12 53 (6.20%) AWS Developer
12 53 (6.20%) Java Engineer
12 53 (6.20%) Python Engineer
13 52 (6.08%) Senior Developer
14 50 (5.85%) Python Software Engineer
15 46 (5.38%) Java Software Engineer
16 44 (5.15%) Java Developer
16 44 (5.15%) Senior Software Engineer
17 32 (3.74%) Senior Java Engineer
Libraries, Frameworks & Software Standards
1 340 (39.77%) React
2 253 (29.59%) HTML
3 246 (28.77%) CSS
4 205 (23.98%) Node.js
5 168 (19.65%) AngularJS
6 150 (17.54%) .NET
7 123 (14.39%) REST
8 104 (12.16%) Vue
9 100 (11.70%) Redux
10 84 (9.82%) Pandas
11 82 (9.59%) RESTful
12 81 (9.47%) NumPy
13 79 (9.24%) SciPy
14 76 (8.89%) Web Services
15 68 (7.95%) HTML5
16 53 (6.20%) SOAP
17 49 (5.73%) JSON
18 47 (5.50%) jQuery
19 42 (4.91%) gRPC
19 42 (4.91%) Protocol Buffers
Miscellaneous
1 127 (14.85%) Fixed Income
2 115 (13.45%) Foreign Exchange (FX)
3 85 (9.94%) Equities
4 67 (7.84%) Hedge funds
5 41 (4.80%) Derivative
6 39 (4.56%) Product Ownership
7 26 (3.04%) Greenfield Project
7 26 (3.04%) Pricing Data
8 25 (2.92%) Mobile App
9 21 (2.46%) Cloud Native
10 20 (2.34%) Algorithms
10 20 (2.34%) Data Structures
10 20 (2.34%) Enterprise Software
11 16 (1.87%) Self-Motivation
12 11 (1.29%) Data Protection Act
13 10 (1.17%) Low-Code
13 10 (1.17%) Management Information System
13 10 (1.17%) Onboarding
13 10 (1.17%) Public Cloud
14 8 (0.94%) Distributed Systems
Operating Systems
1 32 (3.74%) Linux
2 24 (2.81%) Windows
3 18 (2.11%) Unix
4 17 (1.99%) Android
5 15 (1.75%) Apple iOS
6 9 (1.05%) Windows Server
7 4 (0.47%) Red Hat Enterprise Linux
8 3 (0.35%) CentOS
9 2 (0.23%) Mac OS X
Processes & Methodologies
1 417 (48.77%) Agile
2 224 (26.20%) Software Engineering
3 202 (23.63%) CI/CD
4 170 (19.88%) DevOps
5 148 (17.31%) Full-Stack Development
6 129 (15.09%) Investment Management
7 125 (14.62%) Problem-Solving
8 123 (14.39%) Asset Management
9 113 (13.22%) User Experience
10 111 (12.98%) Microservices
11 106 (12.40%) Fintech
12 87 (10.18%) Scrum
13 79 (9.24%) Test Automation
14 77 (9.01%) Mentoring
15 74 (8.65%) TDD
16 73 (8.54%) Analytics
17 67 (7.84%) Front End Development
18 64 (7.49%) Clean Code
19 57 (6.67%) Web Development
20 52 (6.08%) Containerisation
Programming Languages
1 334 (39.06%) TypeScript
2 304 (35.56%) Python
3 267 (31.23%) Java
4 201 (23.51%) C#
5 165 (19.30%) SQL
6 37 (4.33%) C++
7 35 (4.09%) PowerShell
8 28 (3.27%) PHP
9 23 (2.69%) Ruby
10 20 (2.34%) Go
11 17 (1.99%) Groovy
11 17 (1.99%) Shell Script
12 16 (1.87%) Rust
13 15 (1.75%) Scala
14 14 (1.64%) T-SQL
15 12 (1.40%) Apex Code
15 12 (1.40%) Bicep
16 9 (1.05%) BeanShell
17 8 (0.94%) Perl
17 8 (0.94%) PL/SQL
Qualifications
1 128 (14.97%) Security Cleared
2 102 (11.93%) SC Cleared
3 55 (6.43%) Degree
4 27 (3.16%) Computer Science Degree
5 16 (1.87%) AWS Certification
6 14 (1.64%) DV Cleared
7 13 (1.52%) BPSS Clearance
8 10 (1.17%) AWS Certified Developer
9 4 (0.47%) Azure Certification
9 4 (0.47%) Master's Degree
9 4 (0.47%) Microsoft Certification
10 3 (0.35%) ISTQB
11 1 (0.12%) CCA
11 1 (0.12%) CEH
11 1 (0.12%) CISSP
11 1 (0.12%) CTC Cleared
11 1 (0.12%) ITIL Certification
11 1 (0.12%) MCAD
11 1 (0.12%) PMI Certification
11 1 (0.12%) PMP
Quality Assurance & Compliance
1 64 (7.49%) QA
2 60 (7.02%) Accessibility
3 16 (1.87%) WCAG
4 8 (0.94%) Data Quality
5 5 (0.58%) ISO/IEC 27001
6 4 (0.47%) GDPR
6 4 (0.47%) GRC
6 4 (0.47%) MiFID
7 3 (0.35%) EMIR
7 3 (0.35%) HL7
8 2 (0.23%) DICOM
8 2 (0.23%) Government Security Classifications
8 2 (0.23%) HMG Security Policy Framework
8 2 (0.23%) Software Quality Assurance
8 2 (0.23%) WAI
9 1 (0.12%) Actionable Recommendations
9 1 (0.12%) FATCA
9 1 (0.12%) PCI DSS
9 1 (0.12%) SLA
System Software
1 81 (9.47%) Docker
2 25 (2.92%) Active Directory
3 5 (0.58%) Virtual Machines
3 5 (0.58%) VMware Infrastructure
4 4 (0.47%) OpenAM
4 4 (0.47%) OpenDJ
4 4 (0.47%) OpenIDM
5 3 (0.35%) vCloud
5 3 (0.35%) VMware Workstation
5 3 (0.35%) vSphere
6 1 (0.12%) RACF
Systems Management
1 109 (12.75%) Kubernetes
2 36 (4.21%) Terraform
3 19 (2.22%) Single Sign-On
4 14 (1.64%) Ansible
5 8 (0.94%) Grafana
6 7 (0.82%) Kibana
6 7 (0.82%) Prometheus
6 7 (0.82%) Puppet
7 4 (0.47%) Perfmon
8 2 (0.23%) Argo
9 1 (0.12%) Active Directory Federation Services
9 1 (0.12%) Nagios
9 1 (0.12%) Packer
9 1 (0.12%) Progress Chef
9 1 (0.12%) Red Hat Satellite
Vendors
1 101 (11.81%) Microsoft
2 52 (6.08%) ServiceNow
3 48 (5.61%) Oracle
4 25 (2.92%) Google
5 24 (2.81%) Adobe
6 20 (2.34%) Databricks
7 19 (2.22%) Salesforce
8 14 (1.64%) OutSystems
9 11 (1.29%) Atlassian
9 11 (1.29%) SAP
9 11 (1.29%) Splunk
10 10 (1.17%) ForgeRock
11 9 (1.05%) Dynatrace
12 7 (0.82%) Cloudera
13 6 (0.70%) VMware
14 5 (0.58%) OpenText
14 5 (0.58%) YouTube
15 4 (0.47%) New Relic
15 4 (0.47%) Ping Identity
15 4 (0.47%) Talend