Period
to 12 December 2019

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 12 December 2019 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
12 Dec 2019
Same period 2018 Same period 2017
Rank 10 8 7
Rank change year-on-year -2 -1 +1
Contract jobs citing JavaScript 8,295 12,578 11,468
As % of all contract IT jobs advertised in the UK 10.36% 11.94% 11.10%
As % of the Programming Languages category 25.16% 26.69% 26.43%
Number of daily rates quoted 5,901 9,177 8,553
UK median daily rate £475 £450 £445
Median daily rate % change year-on-year +5.56% +1.12% +7.88%
10th Percentile £325 £313 £306
90th Percentile £638 £600 £600
UK excluding London median daily rate £425 £413 £380
% change year-on-year +3.03% +8.55% +1.33%
Number of hourly rates quoted 67 80 107
UK median hourly rate £36.70 £41.25 £42.50
Median hourly rate % change year-on-year -11.03% -2.94% +11.11%
10th Percentile £17.00 £21.10 £23.05
90th Percentile £54.25 £57.55 £63.75
UK excluding London median hourly rate £35.00 £42.50 £45.00
% change year-on-year -17.65% -5.56% +15.38%

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 32,965 47,118 43,396
As % of all contract IT jobs advertised in the UK 41.19% 44.74% 41.99%
Number of daily rates quoted 22,676 33,185 30,443
UK median daily rate £475 £475 £450
Median daily rate % change year-on-year - +5.56% +5.88%
10th Percentile £323 £319 £308
90th Percentile £650 £644 £638
UK excluding London median daily rate £425 £425 £400
% change year-on-year - +6.25% +6.67%
Number of hourly rates quoted 673 694 782
UK median hourly rate £43.00 £42.00 £40.00
Median hourly rate % change year-on-year +2.38% +5.00% +1.98%
10th Percentile £17.30 £16.37 £16.25
90th Percentile £55.00 £52.50 £52.23
UK excluding London median hourly rate £42.50 £42.50 £40.00
% change year-on-year - +6.25% +1.43%

JavaScript
Job Vacancy Trend

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

Job vacancy trend for JavaScript in the UK

JavaScript
Contractor Daily Rate Trend

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing JavaScript.

Contractor daily rate trend for JavaScript in the UK

JavaScript
Contractor Daily Rate Histogram

The daily rate distribution of IT jobs citing JavaScript over the 6 months to 12 December 2019.

Contractor daily rate histogram for JavaScript in the UK

JavaScript
Contractor Hourly Rate Trend

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing JavaScript.

Contractor hourly rate trend for JavaScript in the UK

JavaScript
Contractor Hourly Rate Histogram

The hourly rate distribution of IT jobs citing JavaScript over the 6 months to 12 December 2019.

Contractor hourly rate histogram for JavaScript in the UK

JavaScript
Top 16 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 12 December 2019. 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 -3 7,686 £475 +2.70% 4,723
London -1 4,312 £525 +5.00% 1,672
UK excluding London -4 3,836 £425 +3.03% 3,338
North of England -2 991 £400 - 946
South East -9 959 £450 +5.88% 769
South West -1 630 £425 +5.99% 449
North West 0 554 £405 +1.31% 517
Midlands -4 478 £400 - 558
Scotland -3 384 £440 +7.32% 168
Yorkshire -4 343 £400 - 321
East of England +4 283 £400 -5.88% 327
West Midlands -8 274 £415 -2.35% 323
East Midlands 0 203 £375 - 234
North East -4 94 £400 -5.88% 108
Wales -11 73 £421 +2.12% 90
Northern Ireland -8 43 £402 -2.55% 34

For the 6 months to 12 December 2019, 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 3,801 (45.82%) HTML
2 3,738 (45.06%) Agile Software Development
3 3,618 (43.62%) CSS
4 2,563 (30.90%) React
5 2,357 (28.41%) AngularJS
6 2,121 (25.57%) C#
7 2,032 (24.50%) Node.js
8 1,968 (23.73%) .NET
9 1,958 (23.60%) Java
10 1,602 (19.31%) TDD
11 1,527 (18.41%) Front End Development
12 1,495 (18.02%) SQL
13 1,428 (17.22%) Git (software)
14 1,311 (15.80%) Azure
15 1,304 (15.72%) HTML5
16 1,254 (15.12%) Finance
17 1,122 (13.53%) AWS
18 1,104 (13.31%) Python
19 1,091 (13.15%) Scrum
20 1,079 (13.01%) DevOps
21 1,024 (12.34%) Microservices
22 1,014 (12.22%) MVC
23 992 (11.96%) SQL Server
24 988 (11.91%) Test Automation
25 977 (11.78%) TypeScript
26 969 (11.68%) Web Services
27 965 (11.63%) jQuery
28 880 (10.61%) ASP.NET
29 874 (10.54%) REST
30 866 (10.44%) Docker

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
1 312 (3.76%) CMS
2 256 (3.09%) SharePoint
3 213 (2.57%) Confluence
4 183 (2.21%) Apache
5 144 (1.74%) Elasticsearch
6 119 (1.43%) WordPress
7 118 (1.42%) IIS
8 112 (1.35%) Drupal
9 89 (1.07%) Tomcat
10 78 (0.94%) Adobe Experience Manager
11 67 (0.81%) JBoss
12 65 (0.78%) Umbraco
13 64 (0.77%) WebSphere
14 59 (0.71%) nginx
15 52 (0.63%) Apache Spark
16 50 (0.60%) WebLogic
17 42 (0.51%) ArcGIS
18 40 (0.48%) Sitecore CMS
19 31 (0.37%) Cloud Foundry
20 30 (0.36%) Oracle SOA Suite
Applications
1 113 (1.36%) Photoshop
2 86 (1.04%) Microsoft Excel
3 79 (0.95%) Sketch
4 52 (0.63%) Adobe Illustrator
5 45 (0.54%) InVision
6 42 (0.51%) Microsoft Office
7 23 (0.28%) Microsoft PowerPoint
7 23 (0.28%) Zeplin
8 21 (0.25%) MS Visio
9 18 (0.22%) Adobe Creative Suite
9 18 (0.22%) Adobe XD
10 13 (0.16%) Marvel
11 11 (0.13%) Chatbot
11 11 (0.13%) GIMP
12 10 (0.12%) Figma
13 9 (0.11%) InDesign
14 8 (0.096%) UXPin
14 8 (0.096%) Windchill
15 6 (0.072%) InfoPath
15 6 (0.072%) SPSS
Business Applications
1 203 (2.45%) Dynamics CRM
2 125 (1.51%) Magento
3 25 (0.30%) Shopify
4 18 (0.22%) Adobe Campaign
5 15 (0.18%) NetSuite
6 11 (0.13%) Remedy ITSM
7 10 (0.12%) SAP Oil and Gas
8 8 (0.096%) CSG Singleview
9 7 (0.084%) Dynamics AX
9 7 (0.084%) Oracle Applications
9 7 (0.084%) Payment Gateway
9 7 (0.084%) R3 Corda
9 7 (0.084%) Visualfiles
10 6 (0.072%) Eloqua
10 6 (0.072%) Oracle BPM
10 6 (0.072%) SAP Hybris
11 5 (0.060%) BusinessWorks
12 4 (0.048%) Oracle EBS R12
12 4 (0.048%) osCommerce
12 4 (0.048%) thinkFolio
Cloud Services
1 1,311 (15.80%) Azure
2 1,122 (13.53%) AWS
3 389 (4.69%) GitHub
4 327 (3.94%) Serverless
5 280 (3.38%) GCP
6 190 (2.29%) npm
7 181 (2.18%) Dynamics 365
7 181 (2.18%) Power Platform
8 160 (1.93%) AWS Lambda
9 147 (1.77%) SaaS
10 123 (1.48%) Amazon S3
11 116 (1.40%) PaaS
12 105 (1.27%) Google Analytics
13 84 (1.01%) Office 365
14 77 (0.93%) Azure Functions
15 66 (0.80%) AWS CloudFormation
16 63 (0.76%) OpenShift
17 60 (0.72%) Cloud Computing
18 57 (0.69%) Adobe Analytics
19 55 (0.66%) Amazon EC2
Communications & Networking
1 164 (1.98%) HTTP
2 84 (1.01%) TCP/IP
3 68 (0.82%) SSL
4 50 (0.60%) Internet
5 46 (0.55%) Firewall
6 34 (0.41%) DNS
6 34 (0.41%) Intranet
7 30 (0.36%) Ethernet
8 25 (0.30%) HTTPS
9 20 (0.24%) FTP
9 20 (0.24%) SMTP
10 19 (0.23%) Network Security
10 19 (0.23%) Skype
10 19 (0.23%) SSH
11 10 (0.12%) SNMP
12 9 (0.11%) Intrusion Detection
12 9 (0.11%) VPN
12 9 (0.11%) Wireshark
13 8 (0.096%) VoIP
14 7 (0.084%) POP3
Database & Business Intelligence
1 992 (11.96%) SQL Server
2 532 (6.41%) MySQL
3 378 (4.56%) NoSQL
4 366 (4.41%) MongoDB
5 323 (3.89%) Relational Database
6 274 (3.30%) PostgreSQL
7 149 (1.80%) Power BI
8 140 (1.69%) SQL Server Integration Services
8 140 (1.69%) SQL Server Reporting Services
9 110 (1.33%) Big Data
10 108 (1.30%) Amazon DynamoDB
11 90 (1.08%) RDBMS
12 80 (0.96%) Oracle Database
13 76 (0.92%) Hadoop
14 66 (0.80%) Redis
15 65 (0.78%) Azure SQL Database
16 63 (0.76%) Amazon RDS
17 60 (0.72%) Blockchain
18 56 (0.68%) Cosmos DB
19 55 (0.66%) GIS
Development Applications
1 1,428 (17.22%) Git (software)
2 738 (8.90%) Jenkins
3 550 (6.63%) JIRA
4 472 (5.69%) Selenium
5 351 (4.23%) Cucumber
6 325 (3.92%) webpack
7 283 (3.41%) Visual Studio
8 229 (2.76%) gulp
9 223 (2.69%) Jasmine
10 200 (2.41%) JUnit
11 196 (2.36%) TeamCity
12 195 (2.35%) Maven
13 187 (2.25%) Team Foundation Server
14 179 (2.16%) Grunt
15 163 (1.97%) Subversion
16 159 (1.92%) Bitbucket
17 145 (1.75%) Visual Studio Team System
18 141 (1.70%) Karma Test Runner
19 140 (1.69%) Mocha
20 113 (1.36%) Protractor
General
1 1,254 (15.12%) Finance
2 423 (5.10%) Banking
3 416 (5.02%) Public Sector
4 306 (3.69%) Front Office
5 278 (3.35%) Marketing
6 274 (3.30%) Retail
7 143 (1.72%) Law
8 133 (1.60%) Games
9 131 (1.58%) Telecoms
10 101 (1.22%) Investment Banking
11 94 (1.13%) Manufacturing
12 69 (0.83%) Back Office
12 69 (0.83%) Publishing
13 64 (0.77%) Electronics
14 62 (0.75%) Advertising
15 48 (0.58%) Aerospace
16 46 (0.55%) Military
17 33 (0.40%) Automotive
18 30 (0.36%) Legal
19 26 (0.31%) Pharmaceutical
Job Titles
1 6,303 (75.99%) Developer
2 1,114 (13.43%) Front End Developer (Client-Side Developer)
3 1,097 (13.22%) JavaScript Developer
4 1,092 (13.16%) React Developer
5 859 (10.36%) Full Stack Developer
6 769 (9.27%) .NET Developer
7 690 (8.32%) Senior Developer
8 583 (7.03%) Java Developer
9 511 (6.16%) C# Developer
10 455 (5.49%) Angular Developer
11 315 (3.80%) Node.js Developer
12 305 (3.68%) Software Engineer
13 303 (3.65%) Software Developer
14 273 (3.29%) C# .NET Developer
15 270 (3.25%) PHP Developer
16 264 (3.18%) Architect
17 228 (2.75%) UI Developer
18 224 (2.70%) Python Developer
18 224 (2.70%) Web Developer
19 197 (2.37%) HTML Developer
Libraries, Frameworks & Software Standards
1 3,801 (45.82%) HTML
2 3,618 (43.62%) CSS
3 2,563 (30.90%) React
4 2,357 (28.41%) AngularJS
5 2,032 (24.50%) Node.js
6 1,968 (23.73%) .NET
7 1,304 (15.72%) HTML5
8 969 (11.68%) Web Services
9 965 (11.63%) jQuery
10 880 (10.61%) ASP.NET
11 874 (10.54%) REST
12 837 (10.09%) CSS3
13 823 (9.92%) Redux
14 664 (8.00%) Sass
15 657 (7.92%) RESTful
16 632 (7.62%) XML
17 594 (7.16%) Vue.js
18 589 (7.10%) JSON
19 578 (6.97%) Spring
20 473 (5.70%) .NET Framework
Miscellaneous
1 799 (9.63%) User Experience
2 579 (6.98%) Greenfield Project
3 378 (4.56%) Analytical Skills
4 317 (3.82%) Mobile App
5 192 (2.31%) Derivative
6 190 (2.29%) Enterprise Software
7 175 (2.11%) Foreign Exchange (FX)
8 173 (2.09%) Fixed Income
9 150 (1.81%) Equities
10 123 (1.48%) Data Structures
11 112 (1.35%) Hedge funds
12 98 (1.18%) W3C
13 97 (1.17%) Self-Motivation
14 91 (1.10%) Algorithms
15 65 (0.78%) Cloud Native
16 61 (0.74%) Virtual Team
17 60 (0.72%) Linux Command Line
18 53 (0.64%) Management Information System
19 50 (0.60%) Public Cloud
20 49 (0.59%) Graphic Design
Operating Systems
1 690 (8.32%) Linux
2 355 (4.28%) Windows
3 283 (3.41%) Unix
4 224 (2.70%) Android
5 192 (2.31%) Apple iOS
6 54 (0.65%) Mac OS X
7 49 (0.59%) Ubuntu
8 44 (0.53%) CentOS
9 43 (0.52%) Red Hat Enterprise Linux
10 41 (0.49%) Windows Server
11 40 (0.48%) Mac OS
12 25 (0.30%) Debian
13 21 (0.25%) CoreOS
14 14 (0.17%) Windows Server 2012
15 13 (0.16%) openSUSE
15 13 (0.16%) VMS
16 9 (0.11%) Windows 10
17 7 (0.084%) Oracle Linux
17 7 (0.084%) Windows Server 2008
18 6 (0.072%) Solaris
Processes & Methodologies
1 3,738 (45.06%) Agile Software Development
2 1,602 (19.31%) TDD
3 1,527 (18.41%) Front End Development
4 1,091 (13.15%) Scrum
5 1,079 (13.01%) DevOps
6 1,024 (12.34%) Microservices
7 1,014 (12.22%) MVC
8 988 (11.91%) Test Automation
9 835 (10.07%) Continuous Integration
10 771 (9.29%) Software Engineering
11 744 (8.97%) Web Development
12 716 (8.63%) BDD
13 650 (7.84%) OO
14 504 (6.08%) E-Commerce
15 473 (5.70%) Unit Testing
16 432 (5.21%) Open Source
17 422 (5.09%) Problem-Solving
18 405 (4.88%) Analytics
19 390 (4.70%) Kanban
20 348 (4.20%) Computer Science
Programming Languages
1 2,121 (25.57%) C#
2 1,958 (23.60%) Java
3 1,495 (18.02%) SQL
4 1,104 (13.31%) Python
5 977 (11.78%) TypeScript
6 725 (8.74%) PHP
7 577 (6.96%) ES6
8 403 (4.86%) Ruby
9 273 (3.29%) Java 8
10 253 (3.05%) C++
11 176 (2.12%) Scala
12 172 (2.07%) T-SQL
13 161 (1.94%) Go
13 161 (1.94%) PowerShell
14 137 (1.65%) Bash Shell
15 101 (1.22%) R
16 100 (1.21%) PL/SQL
17 97 (1.17%) Shell Script
18 79 (0.95%) ES7
19 78 (0.94%) C
Qualifications
1 537 (6.47%) Security Cleared
2 437 (5.27%) Degree
3 346 (4.17%) SC Cleared
4 166 (2.00%) Computer Science Degree
5 88 (1.06%) BPSS Clearance
6 83 (1.00%) DV Cleared
7 63 (0.76%) ISTQB
8 43 (0.52%) ISEB
9 36 (0.43%) DBS Check
10 30 (0.36%) Master's Degree
11 29 (0.35%) ISTQB Foundation Certification
12 26 (0.31%) BC Cleared
13 22 (0.27%) Microsoft Certification
14 14 (0.17%) AWS Certification
15 8 (0.096%) HND
15 8 (0.096%) Numerate Degree
16 6 (0.072%) CTC Cleared
16 6 (0.072%) Postgraduate
17 5 (0.060%) OSCP
17 5 (0.060%) SSCP
Quality Assurance & Compliance
1 330 (3.98%) QA
2 114 (1.37%) WCAG
3 25 (0.30%) GDPR
4 23 (0.28%) Data Quality
4 23 (0.28%) NIST
5 20 (0.24%) SLA
6 18 (0.22%) Disclosure Scotland
6 18 (0.22%) ISO/IEC 27001
7 14 (0.17%) COBIT
8 13 (0.16%) MiFID
9 10 (0.12%) WAI
10 6 (0.072%) HL7
11 4 (0.048%) PMO
11 4 (0.048%) PSD2
12 3 (0.036%) NIST 800
13 2 (0.024%) IFRS
13 2 (0.024%) ISO/IEC 20000
13 2 (0.024%) PCI DSS
13 2 (0.024%) Section 508
14 1 (0.012%) SEPA
System Software
1 866 (10.44%) Docker
2 99 (1.19%) Active Directory
3 32 (0.39%) VMware Infrastructure
4 28 (0.34%) Virtual Machines
5 13 (0.16%) vSphere
6 12 (0.14%) HDFS
7 7 (0.084%) OpenAM
7 7 (0.084%) OpenDJ
7 7 (0.084%) VMware ESXi
8 4 (0.048%) Hyper-V
8 4 (0.048%) LXC
8 4 (0.048%) zsh
9 3 (0.036%) Varnish
10 2 (0.024%) Firmware
10 2 (0.024%) KVM
10 2 (0.024%) VMware NSX
10 2 (0.024%) Xen
11 1 (0.012%) Microsoft App-V
11 1 (0.012%) NFS
11 1 (0.012%) Oracle RAC
Systems Management
1 418 (5.04%) Kubernetes
2 229 (2.76%) Terraform
3 197 (2.37%) Ansible
4 100 (1.21%) Puppet
5 67 (0.81%) Grafana
6 63 (0.76%) Kibana
7 51 (0.61%) Opscode Chef
8 48 (0.58%) Single Sign-On
9 21 (0.25%) logstash
9 21 (0.25%) MIIS
9 21 (0.25%) Salt
10 15 (0.18%) Nessus
11 11 (0.13%) Docker Swarm
11 11 (0.13%) SCCM
12 10 (0.12%) HP Quality Center
12 10 (0.12%) Nagios
13 9 (0.11%) HP Fortify
13 9 (0.11%) Microsoft Clustering
13 9 (0.11%) Netcool
14 8 (0.096%) Consul
Vendors
1 819 (9.87%) Microsoft
2 472 (5.69%) Oracle
3 305 (3.68%) Google
4 250 (3.01%) Adobe
5 141 (1.70%) ServiceNow
6 121 (1.46%) Salesforce.com
7 101 (1.22%) SAP
8 84 (1.01%) IBM
9 79 (0.95%) Atlassian
10 67 (0.81%) Sitecore
11 54 (0.65%) Xamarin
12 47 (0.57%) Remedy
13 46 (0.55%) Zend
14 45 (0.54%) VMware
15 43 (0.52%) Red Hat
16 42 (0.51%) ESRI
17 40 (0.48%) hybris
17 40 (0.48%) MuleSoft
17 40 (0.48%) Splunk
18 35 (0.42%) Tableau