Period
to 20 May 2018

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 20 May 2018 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
20 May 2018
Same period 2017 Same period 2016
Rank 7 8 9
Rank change year-on-year +1 +1 +4
Contract jobs citing JavaScript 11,759 10,248 10,819
As % of all contract IT jobs advertised in the UK 11.67% 11.29% 10.25%
As % of the Programming Languages category 27.14% 27.31% 26.71%
Number of daily rates quoted 8,586 7,314 7,878
UK median daily rate £450 £422 £400
Median daily rate % change year-on-year +6.76% +5.38% +6.67%
10th Percentile £313 £290 £270
90th Percentile £595 £575 £575
UK excluding London median daily rate £400 £375 £355
% change year-on-year +6.67% +5.63% +2.90%
Number of hourly rates quoted 84 97 130
UK median hourly rate £40.00 £41.50 £35.75
Median hourly rate % change year-on-year -3.61% +16.08% +24.61%
10th Percentile £18.50 £16.60 £13.40
90th Percentile £52.50 £63.75 £57.50
UK excluding London median hourly rate £42.50 £42.50 £35.00
% change year-on-year - +21.43% +15.89%

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 43,330 37,518 40,502
As % of all contract IT jobs advertised in the UK 43.02% 41.32% 38.37%
Number of daily rates quoted 30,280 25,712 27,694
UK median daily rate £463 £425 £420
Median daily rate % change year-on-year +8.82% +1.19% +5.00%
10th Percentile £313 £300 £275
90th Percentile £638 £613 £600
UK excluding London median daily rate £405 £388 £375
% change year-on-year +4.52% +3.33% +7.14%
Number of hourly rates quoted 776 816 955
UK median hourly rate £40.00 £41.50 £38.50
Median hourly rate % change year-on-year -3.61% +7.79% +10.00%
10th Percentile £16.93 £16.50 £14.13
90th Percentile £52.50 £55.63 £52.25
UK excluding London median hourly rate £40.00 £41.00 £38.50
% change year-on-year -2.44% +6.49% +10.00%

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 20 May 2018.

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 20 May 2018.

Contractor 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 20 May 2018. 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 0 10,903 £450 +5.88% 5,046
London +1 5,874 £500 +11.11% 1,897
UK excluding London +1 5,748 £400 +6.67% 3,458
South East +2 1,819 £425 +9.68% 915
North of England +2 1,645 £400 +6.67% 937
North West +1 828 £383 +2.00% 527
Midlands 0 746 £375 +7.14% 601
Yorkshire 0 734 £400 - 332
Scotland -1 569 £400 +6.67% 205
South West -2 496 £375 -0.27% 354
West Midlands 0 428 £375 +7.14% 333
East Midlands -2 313 £380 +8.57% 267
East of England -12 307 £413 +10.00% 339
Wales -1 119 £405 +8.00% 69
North East -8 88 £365 +4.29% 78
Northern Ireland +1 59 £431 +23.14% 39
Isle of Man -3 1 £400 +14.29%

For the 6 months to 20 May 2018, 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 6,666 (56.69%) HTML
2 6,205 (52.77%) CSS
3 5,506 (46.82%) Agile Software Development
4 4,012 (34.12%) AngularJS
5 3,089 (26.27%) HTML5
6 3,055 (25.98%) Java
7 3,017 (25.66%) React
8 2,870 (24.41%) TDD
9 2,779 (23.63%) Node.js
10 2,777 (23.62%) .NET
11 2,758 (23.45%) C#
12 2,474 (21.04%) Git (software)
13 2,339 (19.89%) Front End Development
14 2,176 (18.50%) jQuery
15 2,162 (18.39%) SQL
16 2,127 (18.09%) CSS3
17 2,035 (17.31%) MVC
18 1,748 (14.87%) Finance
19 1,683 (14.31%) Scrum
20 1,607 (13.67%) SQL Server
21 1,590 (13.52%) Test Automation
22 1,582 (13.45%) Web Development
23 1,498 (12.74%) REST
24 1,458 (12.40%) ASP.NET
25 1,456 (12.38%) Web Services
26 1,417 (12.05%) Continuous Integration
27 1,400 (11.91%) BDD
28 1,330 (11.31%) RESTful
29 1,273 (10.83%) User Experience
30 1,250 (10.63%) 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
1 472 (4.01%) CMS
2 363 (3.09%) Confluence
3 317 (2.70%) Elasticsearch
4 280 (2.38%) Apache
5 251 (2.13%) SharePoint
6 205 (1.74%) Tomcat
7 177 (1.51%) IIS
8 175 (1.49%) WordPress
9 160 (1.36%) Drupal
10 159 (1.35%) WebSphere
11 139 (1.18%) JBoss
12 120 (1.02%) Apache Spark
13 105 (0.89%) Adobe Experience Manager
14 101 (0.86%) Umbraco
15 93 (0.79%) WebLogic
16 85 (0.72%) Sitecore CMS
17 76 (0.65%) Cloud Foundry
18 74 (0.63%) nginx
19 67 (0.57%) SharePoint 2013
20 60 (0.51%) Apache Solr
Applications
1 202 (1.72%) Photoshop
2 92 (0.78%) Adobe Illustrator
3 81 (0.69%) InVision
4 60 (0.51%) Microsoft Excel
5 56 (0.48%) Adobe Creative Suite
5 56 (0.48%) Microsoft Office
6 45 (0.38%) InfoPath
7 41 (0.35%) OmniGraffle
8 27 (0.23%) GIMP
9 24 (0.20%) MS Visio
10 13 (0.11%) Microsoft PowerPoint
10 13 (0.11%) UXPin
11 12 (0.10%) Adobe Premiere
11 12 (0.10%) UserZoom
12 11 (0.094%) Adobe After Effects
13 10 (0.085%) InDesign
14 9 (0.077%) Chatbot
15 8 (0.068%) Microsoft Project
16 5 (0.043%) Acrobat
17 4 (0.034%) Fireworks
Business Applications
1 229 (1.95%) Dynamics CRM
2 145 (1.23%) Magento
3 36 (0.31%) Payment Gateway
4 26 (0.22%) ION MarketView
5 21 (0.18%) Oracle BPM
6 17 (0.14%) SAP Oil and Gas
7 16 (0.14%) Adobe Campaign
8 14 (0.12%) Eloqua
9 13 (0.11%) Oracle EBS
10 11 (0.094%) Distributed Ledger
10 11 (0.094%) Dynamics AX
10 11 (0.094%) R3 Corda
11 8 (0.068%) Maximo
12 7 (0.060%) Dynamics NAV
12 7 (0.060%) NetSuite
12 7 (0.060%) Oracle EBS R12
12 7 (0.060%) WebTrends
13 6 (0.051%) SAP Hybris
13 6 (0.051%) Shopify
13 6 (0.051%) SunGard Martini
Cloud Services
1 1,240 (10.55%) Amazon AWS
2 1,061 (9.02%) Microsoft Azure
3 399 (3.39%) npm
4 365 (3.10%) GitHub
5 301 (2.56%) Serverless
6 165 (1.40%) PaaS
7 138 (1.17%) SaaS
8 126 (1.07%) Google Cloud Platform
9 115 (0.98%) AWS Lambda
10 109 (0.93%) Google Analytics
11 98 (0.83%) Office 365
12 90 (0.77%) Dynamics 365
12 90 (0.77%) Heroku
13 81 (0.69%) Cloud Computing
14 75 (0.64%) Amazon EC2
15 71 (0.60%) Slack
16 70 (0.60%) IaaS
17 68 (0.58%) Amazon S3
18 63 (0.54%) Yarn
19 56 (0.48%) Adobe Analytics
Communications & Networking
1 369 (3.14%) HTTP
2 145 (1.23%) Internet
3 104 (0.88%) SSL
4 87 (0.74%) TCP/IP
5 80 (0.68%) SMS
6 66 (0.56%) DNS
7 54 (0.46%) FTP
8 37 (0.31%) Firewall
9 33 (0.28%) Intranet
10 20 (0.17%) AMQP
11 18 (0.15%) SAN
11 18 (0.15%) SSH
12 17 (0.14%) SMTP
13 16 (0.14%) Broadband
13 16 (0.14%) Ethernet
14 15 (0.13%) Skype
14 15 (0.13%) VPN
15 12 (0.10%) WAN
16 10 (0.085%) Cisco ICM
16 10 (0.085%) HTTPS
Database & Business Intelligence
1 1,607 (13.67%) SQL Server
2 936 (7.96%) MySQL
3 649 (5.52%) Relational Database
4 648 (5.51%) MongoDB
5 614 (5.22%) NoSQL
6 593 (5.04%) PostgreSQL
7 316 (2.69%) Redis
8 279 (2.37%) Big Data
9 177 (1.51%) Hadoop
10 156 (1.33%) Apache Cassandra
11 146 (1.24%) RDBMS
12 145 (1.23%) SQL Server Reporting Services
13 107 (0.91%) Amazon DynamoDB
14 98 (0.83%) Oracle Database
14 98 (0.83%) SQL Server Integration Services
15 93 (0.79%) SQL Server 2008
16 89 (0.76%) Blockchain
16 89 (0.76%) Data Warehouse
17 87 (0.74%) SQL Server 2012
18 79 (0.67%) Power BI
Development Applications
1 2,474 (21.04%) Git (software)
2 1,250 (10.63%) Jenkins
3 782 (6.65%) JIRA
4 663 (5.64%) webpack
5 627 (5.33%) Selenium
6 598 (5.09%) gulp
7 547 (4.65%) Jasmine
8 491 (4.18%) Maven
9 480 (4.08%) Grunt
9 480 (4.08%) Visual Studio
10 418 (3.55%) Cucumber
11 408 (3.47%) Subversion
12 402 (3.42%) JUnit
13 336 (2.86%) Mocha
14 327 (2.78%) TeamCity
15 309 (2.63%) Karma Test Runner
16 295 (2.51%) Team Foundation Server
17 210 (1.79%) Babel
18 208 (1.77%) Protractor
19 177 (1.51%) Gradle
General
1 1,748 (14.87%) Finance
2 883 (7.51%) Banking
3 398 (3.38%) Retail
4 337 (2.87%) Marketing
5 216 (1.84%) Investment Banking
6 204 (1.73%) Front Office
7 197 (1.68%) Games
8 163 (1.39%) Telecoms
9 147 (1.25%) Law
10 135 (1.15%) Advertising
11 87 (0.74%) Legal
12 82 (0.70%) Back Office
13 69 (0.59%) Financial Institution
14 68 (0.58%) Manufacturing
14 68 (0.58%) Publishing
15 39 (0.33%) Electronics
16 31 (0.26%) Retail Banking
17 25 (0.21%) Automotive
18 22 (0.19%) Multimedia
19 18 (0.15%) Pharmaceutical
Job Titles
1 9,231 (78.50%) Developer
2 2,051 (17.44%) JavaScript Developer
3 1,845 (15.69%) Front End Developer (Client-Side Developer)
4 1,303 (11.08%) .NET Developer
5 1,269 (10.79%) React Developer
6 1,145 (9.74%) Java Developer
7 979 (8.33%) Full Stack Developer
8 892 (7.59%) C# Developer
9 869 (7.39%) Angular Developer
10 860 (7.31%) Senior Developer
11 573 (4.87%) Node.js Developer
12 569 (4.84%) C# .NET Developer
13 555 (4.72%) Web Developer
14 528 (4.49%) HTML Developer
15 449 (3.82%) UI Developer
16 418 (3.55%) PHP Developer
17 346 (2.94%) HTML CSS Developer
18 332 (2.82%) Software Engineer
19 325 (2.76%) Architect
20 322 (2.74%) Python Developer
Libraries, Frameworks & Software Standards
1 6,666 (56.69%) HTML
2 6,205 (52.77%) CSS
3 4,012 (34.12%) AngularJS
4 3,089 (26.27%) HTML5
5 3,017 (25.66%) React
6 2,779 (23.63%) Node.js
7 2,777 (23.62%) .NET
8 2,176 (18.50%) jQuery
9 2,127 (18.09%) CSS3
10 1,498 (12.74%) REST
11 1,458 (12.40%) ASP.NET
12 1,456 (12.38%) Web Services
13 1,330 (11.31%) RESTful
14 1,212 (10.31%) Sass
15 1,039 (8.84%) Spring
16 1,029 (8.75%) Redux
17 948 (8.06%) XML
18 884 (7.52%) Twitter Bootstrap
19 879 (7.48%) JSON
20 828 (7.04%) ASP.NET Web API
Miscellaneous
1 1,273 (10.83%) User Experience
2 892 (7.59%) Greenfield Project
3 569 (4.84%) Mobile App
4 471 (4.01%) Analytical Skills
5 346 (2.94%) Fintech
6 331 (2.81%) Computer Science
7 255 (2.17%) Enterprise Software
8 137 (1.17%) Foreign Exchange (FX)
9 135 (1.15%) Self-Motivation
10 132 (1.12%) Data Structures
11 123 (1.05%) Algorithms
12 121 (1.03%) Fixed Income
13 93 (0.79%) Linux Command Line
14 85 (0.72%) Virtual Team
15 70 (0.60%) Hedge funds
16 68 (0.58%) iPad
17 60 (0.51%) Equities
18 58 (0.49%) Management Information System
19 53 (0.45%) Public Cloud
20 52 (0.44%) Derivative
Operating Systems
1 1,163 (9.89%) Linux
2 484 (4.12%) Windows
3 459 (3.90%) Android
4 425 (3.61%) Unix
5 408 (3.47%) Apple iOS
6 127 (1.08%) Windows Server
7 105 (0.89%) Red Hat Enterprise Linux
8 76 (0.65%) Mac OS X
9 53 (0.45%) Ubuntu
10 45 (0.38%) Windows Server 2008
10 45 (0.38%) Windows Server 2012
11 40 (0.34%) Windows Server 2003
12 26 (0.22%) CentOS
12 26 (0.22%) Mac OS
13 24 (0.20%) Windows 10
14 19 (0.16%) Solaris
14 19 (0.16%) VMS
15 18 (0.15%) Debian
16 12 (0.10%) AIX
17 11 (0.094%) HPUX
Processes & Methodologies
1 5,506 (46.82%) Agile Software Development
2 2,870 (24.41%) TDD
3 2,339 (19.89%) Front End Development
4 2,035 (17.31%) MVC
5 1,683 (14.31%) Scrum
6 1,590 (13.52%) Test Automation
7 1,582 (13.45%) Web Development
8 1,417 (12.05%) Continuous Integration
9 1,400 (11.91%) BDD
10 1,217 (10.35%) Microservices
11 1,188 (10.10%) OO
12 1,128 (9.59%) DevOps
13 958 (8.15%) Software Engineering
14 952 (8.10%) Unit Testing
15 938 (7.98%) E-Commerce
16 703 (5.98%) Problem-Solving
17 623 (5.30%) Open Source
18 585 (4.97%) Kanban
19 576 (4.90%) SDLC
20 533 (4.53%) Responsive Web Design
Programming Languages
1 3,055 (25.98%) Java
2 2,758 (23.45%) C#
3 2,162 (18.39%) SQL
4 1,209 (10.28%) Python
5 972 (8.27%) ES6
6 969 (8.24%) PHP
7 839 (7.13%) TypeScript
8 538 (4.58%) Ruby
9 496 (4.22%) Java 8
10 359 (3.05%) Scala
11 257 (2.19%) C++
12 245 (2.08%) PowerShell
13 235 (2.00%) Bash Shell
13 235 (2.00%) T-SQL
14 230 (1.96%) Go
15 195 (1.66%) PL/SQL
16 170 (1.45%) Perl
17 154 (1.31%) Groovy
18 144 (1.22%) C
19 137 (1.17%) ES7
Qualifications
1 513 (4.36%) Security Cleared
2 495 (4.21%) Degree
3 395 (3.36%) SC Cleared
4 179 (1.52%) Computer Science Degree
5 77 (0.65%) BPSS Clearance
6 49 (0.42%) Microsoft Certification
7 48 (0.41%) Master's Degree
8 40 (0.34%) ISTQB
9 38 (0.32%) DV Cleared
10 33 (0.28%) MCSE
11 24 (0.20%) ISTQB Foundation Certification
12 15 (0.13%) ITIL Certification
13 13 (0.11%) AWS Certification
14 12 (0.10%) BC Cleared
15 11 (0.094%) ISEB
16 9 (0.077%) DBS Check
17 8 (0.068%) CTC Cleared
18 7 (0.060%) CESG Certified Professional
18 7 (0.060%) IISP
19 6 (0.051%) PhD
Quality Assurance & Compliance
1 436 (3.71%) QA
2 46 (0.39%) Data Quality
3 40 (0.34%) GDPR
4 36 (0.31%) WCAG
5 29 (0.25%) SLA
6 26 (0.22%) PCI DSS
7 25 (0.21%) Disclosure Scotland
8 15 (0.13%) MiFID
9 14 (0.12%) GCP
10 13 (0.11%) PMO
11 12 (0.10%) ISO/IEC 27001
12 9 (0.077%) WAI
13 3 (0.026%) PMBOK
14 2 (0.017%) Actionable Recommendations
14 2 (0.017%) Solvency II
15 1 (0.009%) HL7
15 1 (0.009%) ISO 20022
15 1 (0.009%) ISO 8583
15 1 (0.009%) ISO 9001
15 1 (0.009%) PSD2
System Software
1 1,021 (8.68%) Docker
2 64 (0.54%) Active Directory
3 43 (0.37%) Virtual Machines
4 32 (0.27%) VMware Infrastructure
5 25 (0.21%) Hyper-V
6 22 (0.19%) Apache Flume
7 17 (0.14%) VMware NSX
8 12 (0.10%) Virtual Servers
8 12 (0.10%) VMware ESXi
9 11 (0.094%) etcd
9 11 (0.094%) Varnish
10 9 (0.077%) vSphere
11 8 (0.068%) GeoWebCache
11 8 (0.068%) HDFS
11 8 (0.068%) Microsoft App-V
12 7 (0.060%) NFS
12 7 (0.060%) OpenAM
13 6 (0.051%) Apache ZooKeeper
13 6 (0.051%) Firmware
14 4 (0.034%) Xen
Systems Management
1 373 (3.17%) Ansible
2 345 (2.93%) Puppet
3 292 (2.48%) Opscode Chef
4 249 (2.12%) Kubernetes
5 178 (1.51%) Terraform
6 75 (0.64%) Kibana
7 68 (0.58%) Grafana
8 45 (0.38%) Docker Swarm
9 44 (0.37%) Single Sign-On
10 42 (0.36%) Salt
11 30 (0.26%) logstash
12 28 (0.24%) Nagios
13 25 (0.21%) HP Quality Center
14 24 (0.20%) Mesos
15 23 (0.20%) SCCM
15 23 (0.20%) vRealize
15 23 (0.20%) vRealize Orchestrator
16 21 (0.18%) vCenter Server
17 20 (0.17%) HP ALM
18 19 (0.16%) Rancher
Vendors
1 957 (8.14%) Microsoft
2 684 (5.82%) Oracle
3 357 (3.04%) Google
4 334 (2.84%) Adobe
5 157 (1.34%) Salesforce.com
6 134 (1.14%) IBM
6 134 (1.14%) ServiceNow
7 122 (1.04%) Sitecore
8 120 (1.02%) SAP
9 106 (0.90%) Splunk
10 91 (0.77%) Red Hat
11 82 (0.70%) Capita
12 78 (0.66%) Zend
13 75 (0.64%) Sybase
14 72 (0.61%) Atlassian
15 60 (0.51%) VMware
16 54 (0.46%) Nintex
16 54 (0.46%) Xamarin
17 53 (0.45%) Apigee
18 52 (0.44%) Twitter