Period
to 14 April 2021

The following table provides summary statistics for contract job vacancies with a requirement for JavaScript skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited JavaScript over the 6 months to 14 April 2021 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

JavaScript (including ECMAScript)
UK
6 months to
14 Apr 2021
Same period 2020 Same period 2019
Rank 14 13 9
Rank change year-on-year -1 -4 -2
Contract jobs citing JavaScript 4,980 5,779 11,073
As % of all contract jobs advertised in the UK 9.44% 9.71% 11.48%
As % of the Programming Languages category 23.29% 23.96% 26.65%
Number of daily rates quoted 3,696 4,161 8,203
10th Percentile £315 £325 £319
25th Percentile £400 £395 £375
Median daily rate (50th Percentile) £475 £475 £475
75th Percentile £563 £575 £550
90th Percentile £650 £650 £625
UK excluding London median daily rate £413 £425 £425
% change year-on-year -2.94% - +6.25%
Number of hourly rates quoted 59 43 86
10th Percentile £25.50 £17.70 £19.41
25th Percentile £33.88 £31.88 £32.50
Median hourly rate £42.00 £50.00 £50.00
Median % change year-on-year -16.00% - +26.92%
75th Percentile £57.00 £56.75 £55.00
90th Percentile £65.30 £68.71 £60.00
UK excluding London median hourly rate £40.00 £35.00 £50.00
% change year-on-year +14.29% -30.00% +11.11%

JavaScript is in the Programming Languages category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies with a requirement for coding skills.

All Programming Languages
UK
Contract vacancies with a requirement for coding skills 21,379 24,116 41,546
As % of all contract IT jobs advertised in the UK 40.55% 40.53% 43.08%
Number of daily rates quoted 15,062 16,967 29,372
10th Percentile £325 £325 £323
25th Percentile £400 £400 £394
Median daily rate (50th Percentile) £500 £482 £475
Median % change year-on-year +3.69% +1.52% +2.70%
75th Percentile £588 £575 £575
90th Percentile £675 £650 £650
UK excluding London median daily rate £425 £445 £425
% change year-on-year -4.49% +4.71% +6.25%
Number of hourly rates quoted 461 461 635
10th Percentile £15.46 £17.25 £17.03
25th Percentile £25.00 £22.50 £24.38
Median hourly rate £42.50 £43.50 £42.50
Median % change year-on-year -2.30% +2.35% +6.25%
75th Percentile £50.00 £50.00 £48.75
90th Percentile £61.00 £56.50 £53.75
UK excluding London median hourly rate £40.00 £42.50 £42.81
% change year-on-year -5.88% -0.72% +7.02%

JavaScript
Job Vacancy Trend

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

Job vacancy trend for JavaScript in the UK

JavaScript
Contractor Daily Rate Trend

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

Daily rate trend for JavaScript in the UK

JavaScript
Daily Rate Histogram

Daily rate distribution for jobs citing JavaScript over the 6 months to 14 April 2021.

Daily rate histogram for JavaScript in the UK

JavaScript
Contractor Hourly Rate Trend

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

Hourly rate trend for JavaScript in the UK

JavaScript
Hourly Rate Histogram

Hourly rate distribution of jobs citing JavaScript over the 6 months to 14 April 2021.

Hourly rate histogram for JavaScript in the UK

JavaScript
Top 17 Contract Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing JavaScript within the UK over the 6 months to 14 April 2021. 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
Job
Vacancies
England -1 4,041 £475 - 3,405
London -2 2,513 £525 - 1,181
Work from Home -3 1,694 £475 +8.57% 829
UK excluding London 0 1,649 £413 -2.94% 2,469
North of England +4 483 £413 -2.94% 741
South East -6 334 £410 -8.89% 493
Scotland +1 304 £425 - 134
North West +2 263 £405 -7.95% 423
Midlands -1 210 £370 -7.63% 487
Yorkshire +3 182 £450 +7.14% 244
South West -11 162 £425 +1.19% 299
East of England -6 113 £442 +4.59% 198
West Midlands -8 107 £370 -14.50% 283
East Midlands +8 96 £360 -4.00% 201
Wales +5 45 £419 -4.29% 91
North East +12 38 £455 +1.11% 74
Northern Ireland -10 9 £413 -2.94% 29

For the 6 months to 14 April 2021, IT contractor jobs citing JavaScript also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads with a requirement for JavaScript.

1 2,146 (43.09%) Agile Software Development
2 1,874 (37.63%) HTML
3 1,853 (37.21%) React
4 1,811 (36.37%) CSS
5 1,483 (29.78%) Node.js
6 1,308 (26.27%) Java
7 1,231 (24.72%) AWS
8 1,103 (22.15%) AngularJS
9 1,039 (20.86%) TypeScript
10 1,031 (20.70%) Software Engineering
11 1,023 (20.54%) Azure
11 1,023 (20.54%) Finance
12 994 (19.96%) Python
13 890 (17.87%) .NET
14 889 (17.85%) Docker
15 863 (17.33%) Git (software)
16 830 (16.67%) C#
17 821 (16.49%) DevOps
18 810 (16.27%) SQL
19 797 (16.00%) Front End Development
20 787 (15.80%) Web Services
21 767 (15.40%) TDD
22 681 (13.67%) Kubernetes
23 639 (12.83%) Microservices
24 628 (12.61%) HTML5
25 605 (12.15%) User Experience
26 600 (12.05%) Test Automation
27 599 (12.03%) Serverless
28 544 (10.92%) REST
29 531 (10.66%) Jenkins

JavaScript
Co-occurring IT Skills by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same job type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 150 (3.01%) Confluence
2 132 (2.65%) CMS
3 128 (2.57%) Apache
4 126 (2.53%) SharePoint
5 104 (2.09%) Elasticsearch
6 77 (1.55%) WordPress
7 60 (1.20%) Tomcat
8 55 (1.10%) Apache Spark
9 48 (0.96%) IIS
10 40 (0.80%) Drupal
11 35 (0.70%) Cloud Foundry
12 34 (0.68%) Adobe Experience Manager
12 34 (0.68%) WebSphere
13 27 (0.54%) WebLogic
14 26 (0.52%) Red Hat Fuse
15 25 (0.50%) Umbraco
16 22 (0.44%) JBoss
16 22 (0.44%) nginx
17 19 (0.38%) Camunda
17 19 (0.38%) Headless CMS
Applications
1 41 (0.82%) Microsoft Office
2 24 (0.48%) Photoshop
3 22 (0.44%) Chatbot
3 22 (0.44%) Microsoft Excel
4 18 (0.36%) Figma
4 18 (0.36%) Sketch
5 15 (0.30%) Adobe XD
6 14 (0.28%) Adobe Creative Suite
7 13 (0.26%) InfoPath
8 10 (0.20%) InVision
9 9 (0.18%) Adobe Illustrator
10 7 (0.14%) Microsoft PowerPoint
11 4 (0.080%) Maya
11 4 (0.080%) MS Visio
11 4 (0.080%) UserZoom
12 3 (0.060%) Adobe After Effects
12 3 (0.060%) Adobe Premiere
12 3 (0.060%) Microsoft Project
13 2 (0.040%) InDesign
13 2 (0.040%) SPSS
Business Applications
1 67 (1.35%) Dynamics CRM
2 60 (1.20%) Magento
3 45 (0.90%) Shopify
4 15 (0.30%) Salesforce.com CRM
5 10 (0.20%) Payment Gateway
6 9 (0.18%) Maximo
7 8 (0.16%) Distributed Ledger
8 7 (0.14%) SAP HCM
9 6 (0.12%) Adobe Campaign
10 5 (0.10%) NetSuite
10 5 (0.10%) SAP Hybris
11 4 (0.080%) BASE24
11 4 (0.080%) Sparx Enterprise Architect
11 4 (0.080%) Teamcenter
12 3 (0.060%) BusinessWorks
12 3 (0.060%) Summit
13 2 (0.040%) Oracle Applications
13 2 (0.040%) Oracle BPM
13 2 (0.040%) SAP CRM
13 2 (0.040%) SAP MDM
Cloud Services
1 1,231 (24.72%) AWS
2 1,023 (20.54%) Azure
3 599 (12.03%) Serverless
4 409 (8.21%) AWS Lambda
5 353 (7.09%) GCP
6 280 (5.62%) Amazon S3
7 229 (4.60%) GitHub
8 177 (3.55%) Amazon SQS
9 143 (2.87%) AWS Step Functions
9 143 (2.87%) Power Platform
10 109 (2.19%) AWS CloudFormation
11 102 (2.05%) SaaS
12 97 (1.95%) PaaS
13 94 (1.89%) OpenShift
14 85 (1.71%) npm
15 77 (1.55%) Dynamics 365
16 72 (1.45%) Microsoft 365
17 64 (1.29%) PowerApps
18 59 (1.18%) Azure Active Directory
19 58 (1.16%) Amazon EC2
Communications & Networking
1 99 (1.99%) HTTP
2 40 (0.80%) Internet
2 40 (0.80%) SSL
3 34 (0.68%) DNS
3 34 (0.68%) Firewall
4 29 (0.58%) TCP/IP
5 23 (0.46%) FTP
6 19 (0.38%) HTTPS
7 18 (0.36%) SSH
8 12 (0.24%) SAN
9 10 (0.20%) ATM
9 10 (0.20%) Ethernet
9 10 (0.20%) Intranet
9 10 (0.20%) Unified Communications
10 9 (0.18%) NAS
10 9 (0.18%) VPN
11 8 (0.16%) IPFS
11 8 (0.16%) SMTP
12 7 (0.14%) DHCP
13 6 (0.12%) SMS
Database & Business Intelligence
1 396 (7.95%) SQL Server
2 297 (5.96%) MySQL
3 287 (5.76%) PostgreSQL
4 262 (5.26%) MongoDB
5 248 (4.98%) Amazon DynamoDB
6 219 (4.40%) NoSQL
7 177 (3.55%) Amazon RDS
8 155 (3.11%) Relational Database
9 91 (1.83%) Power BI
10 72 (1.45%) Amazon Aurora
11 61 (1.22%) Azure SQL Database
12 54 (1.08%) Redis
13 52 (1.04%) SQL Server Integration Services
14 49 (0.98%) SQL Server Reporting Services
15 46 (0.92%) Oracle Database
16 45 (0.90%) Big Data
17 43 (0.86%) Cosmos DB
18 35 (0.70%) Apache Ignite
19 29 (0.58%) Blockchain
19 29 (0.58%) Hadoop
Development Applications
1 863 (17.33%) Git (software)
2 531 (10.66%) Jenkins
3 343 (6.89%) JIRA
4 233 (4.68%) webpack
5 186 (3.73%) Selenium
6 173 (3.47%) Maven
7 146 (2.93%) Cucumber
8 139 (2.79%) Cypress.io
9 134 (2.69%) Visual Studio
10 123 (2.47%) JUnit
11 103 (2.07%) GitLab
12 101 (2.03%) Jasmine
13 92 (1.85%) gulp
14 83 (1.67%) Subversion
15 81 (1.63%) SonarQube
16 80 (1.61%) Mocha
17 72 (1.45%) Gradle
18 69 (1.39%) Sonatype Nexus
19 61 (1.22%) TeamCity
20 60 (1.20%) Grunt
General
1 1,023 (20.54%) Finance
2 448 (9.00%) Front Office
3 286 (5.74%) Banking
4 259 (5.20%) Public Sector
5 150 (3.01%) Marketing
6 113 (2.27%) Retail
7 69 (1.39%) Investment Banking
8 61 (1.22%) Telecoms
9 60 (1.20%) Games
10 58 (1.16%) Law
11 46 (0.92%) Manufacturing
12 39 (0.78%) Advertising
13 29 (0.58%) Publishing
14 25 (0.50%) Electronics
15 21 (0.42%) Pharmaceutical
15 21 (0.42%) Retail Banking
16 19 (0.38%) Financial Institution
17 17 (0.34%) Legal
18 16 (0.32%) Local Government
19 15 (0.30%) Military
Job Titles
1 3,702 (74.34%) Developer
2 869 (17.45%) React Developer
3 668 (13.41%) JavaScript Developer
4 597 (11.99%) Full Stack Developer
5 579 (11.63%) Front End Developer (Client-Side Developer)
6 373 (7.49%) Senior Developer
7 330 (6.63%) Software Engineer
8 327 (6.57%) Java Developer
9 318 (6.39%) .NET Developer
10 290 (5.82%) AWS Developer
11 244 (4.90%) Node.js Developer
12 189 (3.80%) Python Developer
13 178 (3.57%) Architect
14 171 (3.43%) UI Developer
15 167 (3.35%) Developer/Software Engineer
16 166 (3.33%) Software Developer
17 163 (3.27%) Angular Developer
18 151 (3.03%) C# Developer
19 140 (2.81%) PHP Developer
20 112 (2.25%) Designer
Libraries, Frameworks & Software Standards
1 1,874 (37.63%) HTML
2 1,853 (37.21%) React
3 1,811 (36.37%) CSS
4 1,483 (29.78%) Node.js
5 1,103 (22.15%) AngularJS
6 890 (17.87%) .NET
7 787 (15.80%) Web Services
8 628 (12.61%) HTML5
9 544 (10.92%) REST
10 456 (9.16%) jQuery
11 428 (8.59%) Redux
12 425 (8.53%) Spring
13 394 (7.91%) RESTful
14 390 (7.83%) CSS3
15 356 (7.15%) Vue.js
16 316 (6.35%) GraphQL
17 295 (5.92%) XML
18 293 (5.88%) ASP.NET
19 288 (5.78%) Sass
20 277 (5.56%) JSON
Miscellaneous
1 605 (12.15%) User Experience
2 285 (5.72%) Greenfield Project
3 186 (3.73%) Analytical Skills
4 184 (3.69%) Derivative
5 183 (3.67%) Equities
6 148 (2.97%) Fixed Income
7 143 (2.87%) Mobile App
8 114 (2.29%) Hedge funds
9 100 (2.01%) Foreign Exchange (FX)
10 93 (1.87%) Enterprise Software
11 92 (1.85%) Cloud Native
12 85 (1.71%) Data Structures
13 68 (1.37%) Self-Motivation
14 56 (1.12%) Blog
14 56 (1.12%) Virtual Team
15 50 (1.00%) Public Cloud
16 48 (0.96%) Social Media
17 47 (0.94%) Equity Derivative
18 44 (0.88%) Management Information System
19 43 (0.86%) Clustering
Operating Systems
1 332 (6.67%) Linux
2 157 (3.15%) Windows
3 136 (2.73%) Android
4 118 (2.37%) Apple iOS
5 116 (2.33%) Unix
6 33 (0.66%) Mac OS
7 32 (0.64%) Ubuntu
8 31 (0.62%) Red Hat Enterprise Linux
9 28 (0.56%) CentOS
10 25 (0.50%) Windows Server
11 23 (0.46%) Mac OS X
12 19 (0.38%) Windows Server 2012
13 13 (0.26%) Windows Server 2016
14 7 (0.14%) Windows 10
15 6 (0.12%) Windows Server 2008
16 5 (0.10%) Debian
16 5 (0.10%) VMS
17 4 (0.080%) Embedded Linux
17 4 (0.080%) Windows Server 2019
18 3 (0.060%) Solaris
Processes & Methodologies
1 2,146 (43.09%) Agile Software Development
2 1,031 (20.70%) Software Engineering
3 821 (16.49%) DevOps
4 797 (16.00%) Front End Development
5 767 (15.40%) TDD
6 639 (12.83%) Microservices
7 600 (12.05%) Test Automation
8 497 (9.98%) Scrum
9 465 (9.34%) Asset Management
10 423 (8.49%) Continuous Integration
11 416 (8.35%) Web Development
12 384 (7.71%) MVC
13 364 (7.31%) Investment Management
14 308 (6.18%) BDD
15 305 (6.12%) Analytics
16 303 (6.08%) OO
17 299 (6.00%) Unit Testing
18 254 (5.10%) Problem-Solving
19 246 (4.94%) Open Source
20 236 (4.74%) E-Commerce
Programming Languages
1 1,308 (26.27%) Java
2 1,039 (20.86%) TypeScript
3 994 (19.96%) Python
4 830 (16.67%) C#
5 810 (16.27%) SQL
6 364 (7.31%) PHP
7 268 (5.38%) ES6
8 207 (4.16%) Kotlin
9 192 (3.86%) PowerShell
10 186 (3.73%) Ruby
11 180 (3.61%) Java 8
12 172 (3.45%) Go
13 163 (3.27%) C++
14 140 (2.81%) Scala
15 121 (2.43%) Bash Shell
16 92 (1.85%) PL/SQL
17 65 (1.31%) Groovy
18 60 (1.20%) C
19 54 (1.08%) Apex Code
20 46 (0.92%) T-SQL
Qualifications
1 332 (6.67%) Security Cleared
2 273 (5.48%) SC Cleared
3 270 (5.42%) Degree
4 68 (1.37%) Computer Science Degree
5 31 (0.62%) DV Cleared
6 30 (0.60%) BPSS Clearance
7 20 (0.40%) AWS Certification
8 18 (0.36%) ISTQB
9 16 (0.32%) Master's Degree
10 11 (0.22%) ISEB
10 11 (0.22%) ISTQB Foundation Certification
11 9 (0.18%) CISSP
12 7 (0.14%) Microsoft Certification
12 7 (0.14%) PhD
13 5 (0.10%) CISM
13 5 (0.10%) TOGAF Certification
14 4 (0.080%) DBS Check
14 4 (0.080%) MCSE
14 4 (0.080%) Numerate Degree
15 3 (0.060%) SANS
Quality Assurance & Compliance
1 239 (4.80%) QA
2 65 (1.31%) WCAG
3 35 (0.70%) GDPR
4 27 (0.54%) Data Quality
5 14 (0.28%) SLA
6 9 (0.18%) ISO/IEC 27001
7 8 (0.16%) Disclosure Scotland
8 7 (0.14%) WAI
9 6 (0.12%) PCI DSS
10 5 (0.10%) MiFID
11 3 (0.060%) Sarbanes-Oxley
12 2 (0.040%) Cyber Essentials
12 2 (0.040%) GRC
12 2 (0.040%) HIPAA
12 2 (0.040%) HL7
12 2 (0.040%) NCSC
12 2 (0.040%) NIST
12 2 (0.040%) RMADS
12 2 (0.040%) Section 508
13 1 (0.020%) Government Security Classifications
System Software
1 889 (17.85%) Docker
2 90 (1.81%) Active Directory
3 32 (0.64%) VMware Infrastructure
4 11 (0.22%) Time Sharing Option
5 8 (0.16%) OpenAM
6 7 (0.14%) OpenDJ
6 7 (0.14%) Postfix
6 7 (0.14%) qmail
7 6 (0.12%) Virtual Machines
8 4 (0.080%) VMware NSX
9 3 (0.060%) Ceph
9 3 (0.060%) NFS
9 3 (0.060%) OpenIDM
9 3 (0.060%) Samba
9 3 (0.060%) VMware ESXi
9 3 (0.060%) vSphere
10 2 (0.040%) Apache ZooKeeper
10 2 (0.040%) HDFS
10 2 (0.040%) vCloud
11 1 (0.020%) LXC
Systems Management
1 681 (13.67%) Kubernetes
2 460 (9.24%) Terraform
3 131 (2.63%) Ansible
4 86 (1.73%) Puppet
5 62 (1.24%) Grafana
6 46 (0.92%) Opscode Chef
7 39 (0.78%) Kibana
8 33 (0.66%) Single Sign-On
9 15 (0.30%) Prometheus
10 13 (0.26%) Consul
11 12 (0.24%) logstash
12 10 (0.20%) Istio
12 10 (0.20%) Salt
13 8 (0.16%) Graphite
14 5 (0.10%) Computer Emergency Response Teams
14 5 (0.10%) Hadoop YARN
14 5 (0.10%) HP ALM
14 5 (0.10%) HP Quality Center
14 5 (0.10%) Icinga
14 5 (0.10%) vRealize
Vendors
1 374 (7.51%) Microsoft
2 289 (5.80%) Oracle
3 148 (2.97%) Google
4 110 (2.21%) ServiceNow
5 109 (2.19%) Adobe
6 106 (2.13%) Salesforce.com
7 68 (1.37%) SAP
8 60 (1.20%) Splunk
9 51 (1.02%) VMware
10 41 (0.82%) Atlassian
11 40 (0.80%) Red Hat
12 33 (0.66%) IBM
13 28 (0.56%) Bloomberg
13 28 (0.56%) New Relic
14 26 (0.52%) Dynatrace
14 26 (0.52%) Nintex
15 25 (0.50%) MuleSoft
16 24 (0.48%) Apple
17 21 (0.42%) Sitecore
17 21 (0.42%) Xamarin