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 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 31 26
Rank change year-on-year +2 -5 -9
Contract jobs citing JavaScript 854 1,086 1,855
As % of all contract jobs advertised in London 6.81% 6.09% 6.86%
As % of the Programming Languages category 17.22% 16.89% 16.83%
Number of daily rates quoted 640 843 1,367
10th Percentile £381 £400 £413
25th Percentile £450 £464 £475
Median daily rate (50th Percentile) £574 £600 £575
Median % change year-on-year -4.42% +4.35% -
75th Percentile £713 £750 £700
90th Percentile £838 £850 £800
England median daily rate £525 £550 £538
% change year-on-year -4.55% +2.33% -2.27%
Number of hourly rates quoted 6 1 14
10th Percentile £33.25 - £35.00
25th Percentile £33.69 - £36.14
Median hourly rate £38.91 £50.00 £56.25
Median % change year-on-year -22.19% -11.11% +2.27%
75th Percentile £43.77 - £73.44
90th Percentile £44.89 - £75.00
England median hourly rate £62.50 £62.50 £70.00
% change year-on-year - -10.71% +27.27%

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 4,959 6,430 11,021
As % of all contract IT jobs advertised in London 39.52% 36.06% 40.77%
Number of daily rates quoted 3,479 4,906 8,206
10th Percentile £380 £380 £413
25th Percentile £449 £463 £500
Median daily rate (50th Percentile) £550 £575 £600
Median % change year-on-year -4.35% -4.17% -
75th Percentile £712 £700 £738
90th Percentile £825 £825 £825
England median daily rate £525 £540 £565
% change year-on-year -2.78% -4.42% +2.73%
Number of hourly rates quoted 30 57 85
10th Percentile £29.07 £23.80 £34.55
25th Percentile £35.00 £36.25 £49.25
Median hourly rate £44.50 £50.50 £57.50
Median % change year-on-year -11.88% -12.17% +15.00%
75th Percentile £60.81 £61.75 £75.00
90th Percentile £69.38 £70.75 £83.45
England median hourly rate £62.75 £62.50 £61.84
% change year-on-year +0.40% +1.07% +23.68%

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 1 May 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
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 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
Central London +10 117 £585 +6.36% 100
West London +8 13 £431 -15.84% 34
South London -3 8 £490 +8.89% 7
East London +5 6 £580 +7.41% 21
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 58 (6.79%) Apache Airflow
2 51 (5.97%) Apache
3 20 (2.34%) SharePoint
4 18 (2.11%) Confluence
5 16 (1.87%) Apache Spark
6 12 (1.41%) nginx
7 11 (1.29%) CMS
8 7 (0.82%) BizTalk Server
9 3 (0.35%) Adobe Experience Manager
9 3 (0.35%) Drupal
9 3 (0.35%) Headless CMS
9 3 (0.35%) IIS
9 3 (0.35%) Tomcat
9 3 (0.35%) WordPress
10 2 (0.23%) ArcGIS
10 2 (0.23%) govService
10 2 (0.23%) Microsoft Exchange
10 2 (0.23%) Oracle SOA Suite
11 1 (0.12%) ColdFusion
11 1 (0.12%) JBoss
Applications
1 9 (1.05%) Sketch
2 8 (0.94%) Adobe XD
3 6 (0.70%) Microsoft Excel
4 4 (0.47%) Microsoft Office
5 2 (0.23%) Adobe Creative Suite
5 2 (0.23%) Microsoft PowerPoint
5 2 (0.23%) Microsoft Project
6 1 (0.12%) Adobe After Effects
6 1 (0.12%) Adobe Illustrator
6 1 (0.12%) InVision
6 1 (0.12%) MS Visio
6 1 (0.12%) Photoshop
6 1 (0.12%) Trello
Business Applications
1 41 (4.80%) Dynamics CRM
2 5 (0.59%) Shopify
3 3 (0.35%) Endur
3 3 (0.35%) Salesforce CRM
4 2 (0.23%) NetSuite
4 2 (0.23%) Oracle EBS
5 1 (0.12%) FastStats
5 1 (0.12%) FLEXCUBE
5 1 (0.12%) SAP S/4HANA
Cloud Services
1 336 (39.34%) AWS
2 209 (24.47%) Azure
3 120 (14.05%) GCP
4 88 (10.30%) Power Platform
5 87 (10.19%) Serverless
6 68 (7.96%) Azure DevOps
7 60 (7.03%) AWS Lambda
8 59 (6.91%) dbt
9 55 (6.44%) GitHub
10 51 (5.97%) Power Automate
11 49 (5.74%) Dynamics 365
11 49 (5.74%) PowerApps
12 38 (4.45%) Amazon ECS
13 36 (4.22%) Amazon EC2
13 36 (4.22%) Snowflake
14 32 (3.75%) Amazon S3
14 32 (3.75%) Amazon SQS
14 32 (3.75%) Azure Data Factory
15 28 (3.28%) Azure Logic Apps
16 27 (3.16%) GitHub Actions
Communications & Networking
1 24 (2.81%) HTTP
2 10 (1.17%) DNS
2 10 (1.17%) HTTPS
3 7 (0.82%) TCP/IP
4 6 (0.70%) Firewall
4 6 (0.70%) SSL
5 4 (0.47%) DHCP
5 4 (0.47%) Intranet
6 3 (0.35%) POP3
6 3 (0.35%) SMTP
6 3 (0.35%) VPN
7 2 (0.23%) Intrusion Detection
7 2 (0.23%) SMS
8 1 (0.12%) Broadband
8 1 (0.12%) IPsec
8 1 (0.12%) Kerberos
Database & Business Intelligence
1 107 (12.53%) PostgreSQL
2 61 (7.14%) SQL Server
3 58 (6.79%) Amazon Athena
3 58 (6.79%) Apache Iceberg
3 58 (6.79%) Dremio
4 56 (6.56%) Apache Arrow
5 52 (6.09%) Data Lake
6 48 (5.62%) NoSQL
6 48 (5.62%) Power BI
7 45 (5.27%) MongoDB
8 40 (4.68%) Apache Ignite
9 24 (2.81%) DynamoDB
10 22 (2.58%) Redis
11 21 (2.46%) Amazon RDS
12 20 (2.34%) Neo4j
13 19 (2.22%) SQL Server Reporting Services
14 14 (1.64%) Big Data
14 14 (1.64%) MySQL
14 14 (1.64%) Relational Database
15 13 (1.52%) Amazon Redshift
Development Applications
1 125 (14.64%) Git
2 67 (7.85%) Jenkins
3 49 (5.74%) JIRA
4 47 (5.50%) Cypress.io
5 30 (3.51%) Bitbucket
6 29 (3.40%) GitLab
7 25 (2.93%) Selenium
8 24 (2.81%) TeamCity
9 23 (2.69%) webpack
10 22 (2.58%) Postman
11 21 (2.46%) SonarQube
12 18 (2.11%) JMeter
13 17 (1.99%) REST Assured
14 14 (1.64%) Appium
15 13 (1.52%) SoapUI
16 12 (1.41%) CircleCI
17 11 (1.29%) Cucumber
18 10 (1.17%) JUnit
18 10 (1.17%) Maven
19 8 (0.94%) Mocha
General
1 258 (30.21%) Finance
2 192 (22.48%) Social Skills
3 156 (18.27%) Front Office
4 151 (17.68%) Banking
5 100 (11.71%) Analytical Skills
6 89 (10.42%) Public Sector
7 80 (9.37%) Investment Banking
8 34 (3.98%) Marketing
9 21 (2.46%) Presentation Skills
10 18 (2.11%) Back Office
11 13 (1.52%) Telecoms
12 11 (1.29%) Financial Institution
12 11 (1.29%) Inclusion and Diversity
12 11 (1.29%) Legal
13 10 (1.17%) Retail
14 8 (0.94%) Organisational Skills
15 5 (0.59%) Influencing Skills
16 4 (0.47%) Advertising
16 4 (0.47%) Local Government
17 3 (0.35%) Publishing
Job Titles
1 458 (53.63%) Developer
2 153 (17.92%) Software Engineer
3 147 (17.21%) Senior
4 83 (9.72%) AWS Engineer
5 78 (9.13%) Developer/Software Engineer
6 72 (8.43%) Full-Stack Developer
7 71 (8.31%) Lead
8 64 (7.49%) React Developer
9 62 (7.26%) Architect
10 60 (7.03%) Senior Developer
11 58 (6.79%) AWS Software Engineer
12 52 (6.09%) Python Engineer
13 43 (5.04%) AWS Developer
13 43 (5.04%) Python Developer
14 41 (4.80%) Java Developer
15 40 (4.68%) Python Software Engineer
16 39 (4.57%) Senior Software Engineer
17 36 (4.22%) UI Developer
18 35 (4.10%) Java Engineer
19 31 (3.63%) Solutions Architect
Libraries, Frameworks & Software Standards
1 319 (37.35%) React
2 253 (29.63%) HTML
3 246 (28.81%) CSS
4 192 (22.48%) Node.js
5 163 (19.09%) .NET
6 151 (17.68%) AngularJS
7 91 (10.66%) Redux
8 90 (10.54%) REST
9 82 (9.60%) Vue
10 75 (8.78%) RESTful
11 71 (8.31%) Web Services
12 70 (8.20%) Pandas
13 67 (7.85%) NumPy
14 65 (7.61%) SciPy
15 63 (7.38%) HTML5
16 49 (5.74%) SOAP
17 47 (5.50%) gRPC
17 47 (5.50%) JSON
18 46 (5.39%) Protocol Buffers
19 45 (5.27%) Kafka
Miscellaneous
1 108 (12.65%) Fixed Income
2 83 (9.72%) Foreign Exchange (FX)
3 58 (6.79%) Equities
4 55 (6.44%) Hedge funds
5 44 (5.15%) Derivative
6 34 (3.98%) Product Ownership
7 25 (2.93%) Greenfield Project
8 21 (2.46%) Enterprise Software
9 19 (2.22%) Cloud Native
9 19 (2.22%) Data Structures
10 17 (1.99%) Self-Motivation
11 16 (1.87%) Algorithms
11 16 (1.87%) CMDB
12 15 (1.76%) Mobile App
13 14 (1.64%) Low-Code
14 12 (1.41%) Pricing Data
15 10 (1.17%) Management Information System
16 9 (1.05%) Data Protection Act
16 9 (1.05%) Legacy Systems
17 8 (0.94%) Distributed Systems
Operating Systems
1 32 (3.75%) Windows
2 30 (3.51%) Linux
3 17 (1.99%) Unix
4 10 (1.17%) Windows Server
5 9 (1.05%) Android
6 7 (0.82%) Apple iOS
7 4 (0.47%) CentOS
7 4 (0.47%) Red Hat Enterprise Linux
8 2 (0.23%) Mac OS X
9 1 (0.12%) Rocky
9 1 (0.12%) SUSE
Processes & Methodologies
1 398 (46.60%) Agile
2 215 (25.18%) Software Engineering
3 195 (22.83%) DevOps
4 193 (22.60%) CI/CD
5 140 (16.39%) Problem-Solving
6 139 (16.28%) Full-Stack Development
7 124 (14.52%) Asset Management
8 108 (12.65%) User Experience
9 106 (12.41%) Microservices
10 104 (12.18%) Fintech
11 95 (11.12%) Investment Management
12 94 (11.01%) Test Automation
13 75 (8.78%) TDD
14 74 (8.67%) Clean Code
14 74 (8.67%) Mentoring
15 71 (8.31%) Analytics
16 69 (8.08%) Front End Development
17 57 (6.67%) Scrum
17 57 (6.67%) Visualisation
17 57 (6.67%) Web Development
Programming Languages
1 297 (34.78%) TypeScript
2 275 (32.20%) Python
3 259 (30.33%) Java
4 202 (23.65%) C#
5 184 (21.55%) SQL
6 42 (4.92%) PowerShell
7 29 (3.40%) PHP
8 28 (3.28%) C++
9 21 (2.46%) Ruby
10 19 (2.22%) Go
11 18 (2.11%) Scala
12 17 (1.99%) T-SQL
13 14 (1.64%) Shell Script
14 12 (1.41%) Rust
15 11 (1.29%) Groovy
16 10 (1.17%) Apex Code
16 10 (1.17%) PL/SQL
17 9 (1.05%) Bicep
17 9 (1.05%) Perl
18 7 (0.82%) Bash
Qualifications
1 156 (18.27%) Security Cleared
2 133 (15.57%) SC Cleared
3 56 (6.56%) Degree
4 32 (3.75%) Computer Science Degree
5 17 (1.99%) AWS Certified Developer
6 13 (1.52%) AWS Certification
7 11 (1.29%) DV Cleared
8 9 (1.05%) BPSS Clearance
9 6 (0.70%) CEH
10 5 (0.59%) CCSAS
10 5 (0.59%) CREST Certified
10 5 (0.59%) GIAC
10 5 (0.59%) GPEN
10 5 (0.59%) GWAPT
10 5 (0.59%) OSCP
11 3 (0.35%) Azure Certification
11 3 (0.35%) Master's Degree
11 3 (0.35%) Microsoft Certification
11 3 (0.35%) Sun Certification
12 1 (0.12%) AWS Certified Solutions Architect
Quality Assurance & Compliance
1 57 (6.67%) QA
2 51 (5.97%) Accessibility
3 14 (1.64%) WCAG
4 8 (0.94%) Data Quality
4 8 (0.94%) PCI DSS
5 7 (0.82%) Government Security Classifications
6 5 (0.59%) ISO/IEC 27001
7 4 (0.47%) GDPR
8 3 (0.35%) California Consumer Privacy Act
8 3 (0.35%) EMIR
8 3 (0.35%) HL7
8 3 (0.35%) MiFID
9 2 (0.23%) Actionable Recommendations
9 2 (0.23%) DICOM
9 2 (0.23%) HMG Security Policy Framework
9 2 (0.23%) ISO/IEC 20000
9 2 (0.23%) SLA
9 2 (0.23%) WAI
10 1 (0.12%) SEPA
10 1 (0.12%) Software Quality Assurance
System Software
1 85 (9.95%) Docker
2 22 (2.58%) Active Directory
3 6 (0.70%) OpenAM
3 6 (0.70%) OpenDJ
3 6 (0.70%) OpenIDM
3 6 (0.70%) VMware Infrastructure
4 3 (0.35%) vCloud
4 3 (0.35%) VMware Workstation
4 3 (0.35%) vSphere
5 2 (0.23%) Virtual Machines
6 1 (0.12%) RACF
Systems Management
1 114 (13.35%) Kubernetes
2 46 (5.39%) Terraform
3 12 (1.41%) Ansible
3 12 (1.41%) Single Sign-On
4 10 (1.17%) Grafana
5 7 (0.82%) Prometheus
6 6 (0.70%) Kibana
7 4 (0.47%) Perfmon
8 2 (0.23%) Active Directory Federation Services
8 2 (0.23%) Argo
8 2 (0.23%) Nagios
8 2 (0.23%) Red Hat Satellite
9 1 (0.12%) Istio
9 1 (0.12%) Packer
9 1 (0.12%) Progress Chef
9 1 (0.12%) Proxmox
9 1 (0.12%) Rancher
9 1 (0.12%) Sysdig
Vendors
1 116 (13.58%) Microsoft
2 54 (6.32%) ServiceNow
3 42 (4.92%) Oracle
4 35 (4.10%) Databricks
5 31 (3.63%) Adobe
6 22 (2.58%) Google
7 21 (2.46%) Salesforce
8 16 (1.87%) OutSystems
9 14 (1.64%) Atlassian
9 14 (1.64%) SAP
9 14 (1.64%) Splunk
10 12 (1.41%) Cloudera
10 12 (1.41%) ForgeRock
11 8 (0.94%) Dynatrace
11 8 (0.94%) VMware
12 7 (0.82%) MuleSoft
13 5 (0.59%) Cisco
13 5 (0.59%) Ping Identity
14 4 (0.47%) Bloomberg
14 4 (0.47%) Reuters