Period
to 18 July 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 18 July 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
18 Jul 2018
Same period 2017 Same period 2016
Rank 7 7 9
Rank change year-on-year 0 +2 +3
Contract jobs citing JavaScript 12,738 10,866 11,566
As % of all contract IT jobs advertised in the UK 12.31% 11.44% 10.50%
As % of the Programming Languages category 28.11% 27.51% 27.18%
Number of daily rates quoted 9,257 7,809 8,457
UK median daily rate £450 £425 £400
Median daily rate % change year-on-year +5.88% +6.25% +6.67%
10th Percentile £313 £294 £275
90th Percentile £600 £588 £575
UK excluding London median daily rate £400 £375 £360
% change year-on-year +6.67% +4.17% +2.86%
Number of hourly rates quoted 86 127 114
UK median hourly rate £41.50 £42.50 £38.00
Median hourly rate % change year-on-year -2.35% +11.84% +27.22%
10th Percentile £18.01 £16.42 £12.08
90th Percentile £53.75 £63.75 £54.98
UK excluding London median hourly rate £42.50 £42.50 £38.00
% change year-on-year - +11.84% +4.11%

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 45,309 39,501 42,553
As % of all contract IT jobs advertised in the UK 43.78% 41.57% 38.63%
Number of daily rates quoted 31,707 27,068 29,190
UK median daily rate £460 £440 £425
Median daily rate % change year-on-year +4.63% +3.53% +6.25%
10th Percentile £313 £300 £275
90th Percentile £638 £625 £599
UK excluding London median daily rate £413 £400 £375
% change year-on-year +3.13% +6.67% +7.14%
Number of hourly rates quoted 789 805 932
UK median hourly rate £41.00 £41.00 £37.50
Median hourly rate % change year-on-year - +9.33% +7.14%
10th Percentile £16.25 £16.25 £14.00
90th Percentile £52.50 £53.75 £51.50
UK excluding London median hourly rate £40.63 £42.00 £37.50
% change year-on-year -3.27% +12.00% +7.14%

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 18 July 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 18 July 2018.

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 18 July 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 11,785 £450 +5.88% 4,726
UK excluding London 0 6,325 £400 +6.67% 3,270
London +2 6,263 £500 +5.26% 1,745
South East +2 2,040 £425 +6.25% 834
North of England +3 1,763 £400 +6.67% 959
North West +4 908 £389 +3.67% 546
Midlands +1 801 £400 +14.29% 538
Yorkshire 0 737 £400 - 345
Scotland +1 672 £400 +6.67% 174
South West -2 547 £375 - 352
West Midlands +1 469 £400 +14.29% 304
East of England -5 354 £425 +9.68% 296
East Midlands -3 328 £388 +10.71% 234
North East 0 120 £370 +5.71% 68
Wales -7 105 £400 +10.34% 80
Northern Ireland +3 58 £432 +4.61% 36

For the 6 months to 18 July 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 7,200 (56.52%) HTML
2 6,695 (52.56%) CSS
3 5,836 (45.82%) Agile Software Development
4 4,267 (33.50%) AngularJS
5 3,423 (26.87%) React
6 3,336 (26.19%) HTML5
7 3,222 (25.29%) Java
8 3,032 (23.80%) Node.js
9 2,958 (23.22%) TDD
10 2,909 (22.84%) .NET
11 2,900 (22.77%) C#
12 2,676 (21.01%) Git (software)
13 2,550 (20.02%) Front End Development
14 2,344 (18.40%) jQuery
15 2,267 (17.80%) CSS3
16 2,240 (17.59%) SQL
17 2,110 (16.56%) MVC
18 1,907 (14.97%) Finance
19 1,814 (14.24%) Scrum
20 1,713 (13.45%) Web Development
21 1,657 (13.01%) SQL Server
22 1,651 (12.96%) Test Automation
23 1,594 (12.51%) ASP.NET
24 1,574 (12.36%) REST
25 1,504 (11.81%) Web Services
26 1,471 (11.55%) Continuous Integration
27 1,449 (11.38%) User Experience
28 1,361 (10.68%) BDD
29 1,360 (10.68%) Microservices
30 1,359 (10.67%) Amazon AWS

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
1 496 (3.89%) CMS
2 387 (3.04%) Confluence
3 350 (2.75%) Elasticsearch
4 289 (2.27%) Apache
5 287 (2.25%) SharePoint
6 231 (1.81%) Tomcat
7 228 (1.79%) WordPress
8 195 (1.53%) IIS
9 175 (1.37%) Drupal
10 160 (1.26%) WebSphere
11 134 (1.05%) JBoss
12 131 (1.03%) Apache Spark
13 107 (0.84%) Umbraco
14 95 (0.75%) Adobe Experience Manager
15 91 (0.71%) Sitecore CMS
16 88 (0.69%) WebLogic
17 82 (0.64%) SharePoint 2013
18 78 (0.61%) nginx
19 70 (0.55%) SharePoint 2010
20 60 (0.47%) Cloud Foundry
Applications
1 199 (1.56%) Photoshop
2 78 (0.61%) InVision
3 67 (0.53%) Adobe Illustrator
4 57 (0.45%) Microsoft Office
5 49 (0.38%) Adobe Creative Suite
5 49 (0.38%) InfoPath
5 49 (0.38%) Microsoft Excel
6 36 (0.28%) OmniGraffle
7 33 (0.26%) GIMP
8 24 (0.19%) Chatbot
9 19 (0.15%) MS Visio
10 14 (0.11%) Fireworks
11 12 (0.094%) UserZoom
11 12 (0.094%) UXPin
12 10 (0.079%) Microsoft Project
13 9 (0.071%) Microsoft PowerPoint
14 8 (0.063%) InDesign
15 7 (0.055%) Adobe After Effects
16 6 (0.047%) Adobe Premiere
17 5 (0.039%) Acrobat
Business Applications
1 243 (1.91%) Dynamics CRM
2 146 (1.15%) Magento
3 35 (0.27%) ION MarketView
4 28 (0.22%) Payment Gateway
5 17 (0.13%) Adobe Campaign
6 16 (0.13%) Remedy ITSM
7 12 (0.094%) Distributed Ledger
7 12 (0.094%) Oracle EBS
8 11 (0.086%) Oracle BPM
8 11 (0.086%) SAP Oil and Gas
9 10 (0.079%) Maximo
9 10 (0.079%) R3 Corda
10 9 (0.071%) Dynamics NAV
11 8 (0.063%) Salesforce.com CRM
11 8 (0.063%) SDL Web 8
11 8 (0.063%) Shopify
11 8 (0.063%) SunGard Martini
12 7 (0.055%) Eloqua
13 6 (0.047%) Dynamics AX
13 6 (0.047%) NetSuite
Cloud Services
1 1,359 (10.67%) Amazon AWS
2 1,254 (9.84%) Microsoft Azure
3 453 (3.56%) npm
4 407 (3.20%) GitHub
5 334 (2.62%) Serverless
6 187 (1.47%) SaaS
7 164 (1.29%) PaaS
8 143 (1.12%) Google Cloud Platform
9 137 (1.08%) AWS Lambda
10 120 (0.94%) Office 365
11 113 (0.89%) Dynamics 365
12 98 (0.77%) Google Analytics
13 94 (0.74%) Heroku
14 87 (0.68%) Amazon S3
15 80 (0.63%) Cloud Computing
16 74 (0.58%) Yarn
17 67 (0.53%) Amazon EC2
18 63 (0.49%) IaaS
19 55 (0.43%) AWS CloudFormation
20 53 (0.42%) Slack
Communications & Networking
1 416 (3.27%) HTTP
2 177 (1.39%) Internet
3 115 (0.90%) SSL
4 106 (0.83%) TCP/IP
5 79 (0.62%) SMS
6 68 (0.53%) DNS
7 58 (0.46%) FTP
8 40 (0.31%) AMQP
9 36 (0.28%) Intranet
10 30 (0.24%) Firewall
11 26 (0.20%) Ethernet
12 20 (0.16%) Broadband
12 20 (0.16%) HTTPS
13 18 (0.14%) SAN
14 17 (0.13%) SSH
15 15 (0.12%) RTMP
15 15 (0.12%) VPN
16 14 (0.11%) Skype
17 13 (0.10%) SMTP
18 12 (0.094%) WAN
Database & Business Intelligence
1 1,657 (13.01%) SQL Server
2 980 (7.69%) MySQL
3 718 (5.64%) Relational Database
4 660 (5.18%) MongoDB
5 628 (4.93%) NoSQL
6 580 (4.55%) PostgreSQL
7 307 (2.41%) Big Data
8 267 (2.10%) Redis
9 180 (1.41%) RDBMS
10 176 (1.38%) Hadoop
11 170 (1.33%) Apache Cassandra
12 140 (1.10%) SQL Server Reporting Services
13 102 (0.80%) Blockchain
14 101 (0.79%) SQL Server Integration Services
15 100 (0.79%) Amazon DynamoDB
15 100 (0.79%) SQL Server 2012
16 96 (0.75%) SQL Server 2008
17 93 (0.73%) Oracle Database
18 81 (0.64%) Data Warehouse
19 77 (0.60%) Cosmos DB
Development Applications
1 2,676 (21.01%) Git (software)
2 1,252 (9.83%) Jenkins
3 840 (6.59%) JIRA
4 738 (5.79%) webpack
5 690 (5.42%) Selenium
6 621 (4.88%) gulp
7 513 (4.03%) Jasmine
8 509 (4.00%) Maven
9 505 (3.96%) Visual Studio
10 470 (3.69%) Grunt
11 433 (3.40%) Subversion
12 428 (3.36%) Cucumber
13 371 (2.91%) JUnit
14 345 (2.71%) Team Foundation Server
15 337 (2.65%) Mocha
16 298 (2.34%) Karma Test Runner
17 297 (2.33%) TeamCity
18 235 (1.84%) Babel
19 207 (1.63%) Protractor
20 201 (1.58%) WebDriver
General
1 1,907 (14.97%) Finance
2 962 (7.55%) Banking
3 462 (3.63%) Retail
4 353 (2.77%) Marketing
5 274 (2.15%) Front Office
6 244 (1.92%) Investment Banking
7 188 (1.48%) Games
8 185 (1.45%) Telecoms
9 162 (1.27%) Advertising
10 131 (1.03%) Law
11 102 (0.80%) Back Office
12 96 (0.75%) Legal
13 82 (0.64%) Manufacturing
14 78 (0.61%) Financial Institution
15 69 (0.54%) Publishing
16 47 (0.37%) Electronics
17 31 (0.24%) Retail Banking
18 29 (0.23%) Automotive
19 25 (0.20%) Local Government
20 22 (0.17%) Pharmaceutical
Job Titles
1 10,096 (79.26%) Developer
2 2,186 (17.16%) JavaScript Developer
3 2,002 (15.72%) Front End Developer (Client-Side Developer)
4 1,541 (12.10%) React Developer
5 1,391 (10.92%) .NET Developer
6 1,174 (9.22%) Java Developer
7 1,026 (8.05%) Full Stack Developer
8 939 (7.37%) Angular Developer
9 934 (7.33%) C# Developer
10 887 (6.96%) Senior Developer
11 627 (4.92%) Web Developer
12 596 (4.68%) C# .NET Developer
12 596 (4.68%) Node.js Developer
13 549 (4.31%) HTML Developer
14 528 (4.15%) UI Developer
15 464 (3.64%) PHP Developer
16 383 (3.01%) HTML CSS Developer
17 369 (2.90%) Python Developer
18 325 (2.55%) Software Engineer
19 318 (2.50%) Architect
Libraries, Frameworks & Software Standards
1 7,200 (56.52%) HTML
2 6,695 (52.56%) CSS
3 4,267 (33.50%) AngularJS
4 3,423 (26.87%) React
5 3,336 (26.19%) HTML5
6 3,032 (23.80%) Node.js
7 2,909 (22.84%) .NET
8 2,344 (18.40%) jQuery
9 2,267 (17.80%) CSS3
10 1,594 (12.51%) ASP.NET
11 1,574 (12.36%) REST
12 1,504 (11.81%) Web Services
13 1,342 (10.54%) RESTful
14 1,337 (10.50%) Sass
15 1,259 (9.88%) Redux
16 1,096 (8.60%) Spring
17 1,027 (8.06%) XML
18 1,002 (7.87%) JSON
19 933 (7.32%) Twitter Bootstrap
20 914 (7.18%) ASP.NET Web API
Miscellaneous
1 1,449 (11.38%) User Experience
2 957 (7.51%) Greenfield Project
3 669 (5.25%) Mobile App
4 472 (3.71%) Analytical Skills
5 394 (3.09%) Fintech
6 348 (2.73%) Computer Science
7 269 (2.11%) Enterprise Software
8 160 (1.26%) Self-Motivation
9 155 (1.22%) Data Structures
10 152 (1.19%) Fixed Income
10 152 (1.19%) Foreign Exchange (FX)
11 132 (1.04%) Algorithms
12 97 (0.76%) Linux Command Line
13 79 (0.62%) Equities
14 77 (0.60%) Virtual Team
15 67 (0.53%) Derivative
16 66 (0.52%) W3C
17 62 (0.49%) Public Cloud
18 59 (0.46%) iPad
19 57 (0.45%) Social Media
Operating Systems
1 1,231 (9.66%) Linux
2 544 (4.27%) Windows
3 525 (4.12%) Android
4 467 (3.67%) Apple iOS
5 422 (3.31%) Unix
6 141 (1.11%) Windows Server
7 80 (0.63%) Red Hat Enterprise Linux
8 71 (0.56%) Ubuntu
9 54 (0.42%) Windows Server 2008
10 52 (0.41%) Windows Server 2012
11 47 (0.37%) Windows Server 2003
12 46 (0.36%) Mac OS X
13 32 (0.25%) CentOS
14 29 (0.23%) Mac OS
15 25 (0.20%) Windows 10
16 23 (0.18%) Solaris
17 22 (0.17%) VMS
18 18 (0.14%) Debian
19 15 (0.12%) AIX
20 13 (0.10%) Windows 7
Processes & Methodologies
1 5,836 (45.82%) Agile Software Development
2 2,958 (23.22%) TDD
3 2,550 (20.02%) Front End Development
4 2,110 (16.56%) MVC
5 1,814 (14.24%) Scrum
6 1,713 (13.45%) Web Development
7 1,651 (12.96%) Test Automation
8 1,471 (11.55%) Continuous Integration
9 1,361 (10.68%) BDD
10 1,360 (10.68%) Microservices
11 1,282 (10.06%) OO
12 1,200 (9.42%) DevOps
13 1,007 (7.91%) Software Engineering
14 959 (7.53%) Unit Testing
15 938 (7.36%) E-Commerce
16 807 (6.34%) Problem-Solving
17 712 (5.59%) Open Source
18 606 (4.76%) Responsive Web Design
19 605 (4.75%) Kanban
20 566 (4.44%) SDLC
Programming Languages
1 3,222 (25.29%) Java
2 2,900 (22.77%) C#
3 2,240 (17.59%) SQL
4 1,287 (10.10%) Python
5 1,121 (8.80%) ES6
6 1,081 (8.49%) PHP
7 956 (7.51%) TypeScript
8 531 (4.17%) Java 8
9 475 (3.73%) Ruby
10 375 (2.94%) Scala
11 280 (2.20%) C++
12 265 (2.08%) Go
13 257 (2.02%) PowerShell
14 254 (1.99%) T-SQL
15 229 (1.80%) Bash Shell
16 206 (1.62%) Perl
17 188 (1.48%) PL/SQL
18 166 (1.30%) C
19 150 (1.18%) ES7
20 141 (1.11%) Shell Script
Qualifications
1 573 (4.50%) Degree
2 556 (4.36%) Security Cleared
3 417 (3.27%) SC Cleared
4 207 (1.63%) Computer Science Degree
5 89 (0.70%) BPSS Clearance
6 64 (0.50%) Microsoft Certification
7 49 (0.38%) ISTQB
8 38 (0.30%) MCSE
9 35 (0.27%) ISTQB Foundation Certification
10 29 (0.23%) DV Cleared
11 28 (0.22%) Master's Degree
12 18 (0.14%) BC Cleared
12 18 (0.14%) ISEB
13 17 (0.13%) DBS Check
14 16 (0.13%) AWS Certification
15 15 (0.12%) ITIL Certification
16 14 (0.11%) CTC Cleared
17 7 (0.055%) CESG Certified Professional
17 7 (0.055%) CISSP
17 7 (0.055%) IISP
Quality Assurance & Compliance
1 477 (3.74%) QA
2 52 (0.41%) Data Quality
3 50 (0.39%) SLA
4 44 (0.35%) GDPR
5 36 (0.28%) WCAG
6 29 (0.23%) GCP
7 27 (0.21%) PCI DSS
8 22 (0.17%) Disclosure Scotland
9 19 (0.15%) PMO
10 15 (0.12%) WAI
11 12 (0.094%) MiFID
12 10 (0.079%) ISO/IEC 27001
13 7 (0.055%) HL7
14 3 (0.024%) PMBOK
14 3 (0.024%) Solvency II
15 2 (0.016%) Actionable Recommendations
16 1 (0.008%) ISO 9001
16 1 (0.008%) MISRA
16 1 (0.008%) MISRA C
16 1 (0.008%) PSD2
System Software
1 1,085 (8.52%) Docker
2 72 (0.57%) Active Directory
3 43 (0.34%) Virtual Machines
4 32 (0.25%) VMware Infrastructure
5 23 (0.18%) Hyper-V
6 22 (0.17%) Apache Flume
7 16 (0.13%) HDFS
8 14 (0.11%) etcd
8 14 (0.11%) VMware ESXi
9 13 (0.10%) VirtualBox
10 12 (0.094%) Apache ZooKeeper
10 12 (0.094%) VMware NSX
11 11 (0.086%) Virtual Servers
11 11 (0.086%) vSphere
12 10 (0.079%) Varnish
13 8 (0.063%) NFS
14 7 (0.055%) OpenAM
15 6 (0.047%) Firmware
15 6 (0.047%) Microsoft App-V
15 6 (0.047%) Oracle RAC
Systems Management
1 333 (2.61%) Ansible
2 331 (2.60%) Puppet
3 285 (2.24%) Kubernetes
4 244 (1.92%) Opscode Chef
5 169 (1.33%) Terraform
6 94 (0.74%) Kibana
7 80 (0.63%) Grafana
8 51 (0.40%) Docker Swarm
9 47 (0.37%) Salt
10 44 (0.35%) Single Sign-On
11 40 (0.31%) logstash
12 32 (0.25%) Mesos
13 29 (0.23%) Nagios
14 28 (0.22%) HP Quality Center
15 25 (0.20%) SCCM
16 23 (0.18%) Rancher
17 22 (0.17%) vRealize
17 22 (0.17%) vRealize Orchestrator
18 21 (0.16%) HP ALM
19 19 (0.15%) Prometheus
Vendors
1 1,080 (8.48%) Microsoft
2 739 (5.80%) Oracle
3 370 (2.90%) Google
4 341 (2.68%) Adobe
5 173 (1.36%) Salesforce.com
6 152 (1.19%) IBM
7 147 (1.15%) ServiceNow
8 131 (1.03%) Sitecore
9 120 (0.94%) SAP
10 103 (0.81%) Capita
11 93 (0.73%) Zend
12 89 (0.70%) Atlassian
12 89 (0.70%) Splunk
12 89 (0.70%) Sybase
13 81 (0.64%) Red Hat
14 63 (0.49%) VMware
15 62 (0.49%) Tableau
16 60 (0.47%) HP
17 57 (0.45%) Nintex
18 55 (0.43%) Twitter