Period
to 20 July 2017

The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for RESTful skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited RESTful over the 6 months to 20 July 2017 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.

RESTful
London > City of London
6 months to
20 Jul 2017
Same period 2016 Same period 2015
Rank 80 131 109
Rank change year-on-year +51 -22 +62
Contract jobs citing RESTful 191 124 231
As % of all contract IT jobs advertised in the City of London 2.94% 1.80% 2.04%
As % of the Libraries, Frameworks & Software Standards category 7.99% 5.25% 6.79%
Number of daily rates quoted 154 107 184
City of London median daily rate £500 £450 £475
Median daily rate % change year-on-year +11.11% -5.26% +5.56%
10th Percentile £363 £307 £313
90th Percentile £625 £575 £638
London median daily rate £500 £450 £450
% change year-on-year +11.11% - +5.88%
Number of hourly rates quoted 0 0 0
City of London median hourly rate - - -
London median hourly rate - £51.00 £35.00
% change year-on-year - +45.71% -22.22%

RESTful is in the industry standards, technical specifications and software library and framework skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in the City of London with a requirement for industry standards, technical specifications and software library and framework skills.

Contract Software Library & Framework Skills
City of London
Contract job vacancies with a requirement for industry standards, technical specifications and software library and framework skills 2391 2361 3404
As % of all contract IT job vacancies advertised in the City of London 36.84% 34.21% 30.02%
Number of daily rates quoted 1937 2015 2725
City of London median daily rate £500 £475 £450
Median daily rate % change year-on-year +5.26% +5.56% -
10th Percentile £355 £319 £306
90th Percentile £650 £638 £638
London median daily rate £494 £465 £450
% change year-on-year +6.13% +3.33% +5.88%
Number of hourly rates quoted 11 5 17
City of London median hourly rate £24.49 £20.00 £24.23
Median hourly rate % change year-on-year +22.43% -17.46% -24.30%
10th Percentile £20.75 £16.69 £11.05
90th Percentile £29.62 £35.74 £80.50
London median hourly rate £38.75 £30.00 £30.00
% change year-on-year +29.17% - -14.29%

RESTful
Job Vacancy Trend in the City of London

Job postings citing RESTful as a percentage of all IT jobs advertised in the City of London.

Job vacancy trend for RESTful in the City of London

RESTful
Contractor Daily Rate Trend in the City of London

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing RESTful in the City of London.

Contractor daily rate trend for RESTful in the City of London

RESTful
Contractor Daily Rate Histogram in the City of London

The daily rate distribution of IT jobs citing RESTful in the City of London over the 6 months to 20 July 2017.

Contractor daily rate histogram for RESTful in the City of London

For the 6 months to 20 July 2017, IT contractor jobs citing RESTful also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the City of London region with a requirement for RESTful.

1 116 (60.73%) Agile Software Development
2 95 (49.74%) JavaScript
3 85 (44.50%) Java
4 83 (43.46%) Web Services
5 74 (38.74%) TDD
6 73 (38.22%) CSS
6 73 (38.22%) HTML
7 51 (26.70%) Git (software)
8 49 (25.65%) AngularJS
9 43 (22.51%) Amazon AWS
10 42 (21.99%) Node.js
11 40 (20.94%) React
12 38 (19.90%) BDD
13 36 (18.85%) Microservices
14 35 (18.32%) Scrum
14 35 (18.32%) JSON
15 34 (17.80%) Continuous Integration
16 33 (17.28%) E-Commerce
16 33 (17.28%) HTML5
16 33 (17.28%) REST
17 31 (16.23%) .NET
17 31 (16.23%) jQuery
18 30 (15.71%) Linux
19 28 (14.66%) OO
20 27 (14.14%) User Experience
21 26 (13.61%) Open Source
21 26 (13.61%) Test Automation
21 26 (13.61%) Unit Testing
21 26 (13.61%) Python
22 24 (12.57%) MVC

RESTful
Co-occurring IT Skills in the City of London 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 20 (10.47%) Apache
2 9 (4.71%) CMS
2 9 (4.71%) nginx
3 7 (3.66%) Elasticsearch
4 6 (3.14%) IIS
4 6 (3.14%) Tomcat
5 5 (2.62%) Apache Spark
6 4 (2.09%) Adobe Experience Manager
6 4 (2.09%) Sitecore CMS
6 4 (2.09%) WebSphere
7 3 (1.57%) Confluence
7 3 (1.57%) EPiServer
7 3 (1.57%) JBoss
8 2 (1.05%) Apache Solr
8 2 (1.05%) Umbraco
9 1 (0.52%) Cloud Foundry
9 1 (0.52%) OpenStack
9 1 (0.52%) WebSphere Application Server
Applications
1 2 (1.05%) Photoshop
2 1 (0.52%) GIMP
Business Applications
1 8 (4.19%) Payment Gateway
2 3 (1.57%) Eloqua
Cloud Services
1 43 (22.51%) Amazon AWS
2 18 (9.42%) Microsoft Azure
3 7 (3.66%) Amazon EC2
3 7 (3.66%) AWS CloudFormation
4 5 (2.62%) GitHub
4 5 (2.62%) PaaS
5 4 (2.09%) Amazon S3
5 4 (2.09%) Cloud Computing
5 4 (2.09%) Heroku
5 4 (2.09%) Virtual Private Cloud
6 3 (1.57%) Amazon CloudWatch
6 3 (1.57%) Amazon ElastiCache
6 3 (1.57%) Bluemix
6 3 (1.57%) IaaS
6 3 (1.57%) IBM Cloud
6 3 (1.57%) SaaS
7 2 (1.05%) Amazon ELB
7 2 (1.05%) Amazon SQS
7 2 (1.05%) Salesforce Sales Cloud
7 2 (1.05%) Salesforce Service Cloud
Communications & Networking
1 12 (6.28%) HTTP
2 10 (5.24%) TCP/IP
3 9 (4.71%) Internet
4 4 (2.09%) DNS
4 4 (2.09%) SSL
5 3 (1.57%) Firewall
5 3 (1.57%) FTP
5 3 (1.57%) Network Security
6 2 (1.05%) DSL
6 2 (1.05%) Ethernet
6 2 (1.05%) VPN
7 1 (0.52%) BGP
7 1 (0.52%) BIG-IP
7 1 (0.52%) Kerberos
7 1 (0.52%) LDAP
7 1 (0.52%) MPLS
7 1 (0.52%) OSPF
7 1 (0.52%) SMS
7 1 (0.52%) Software-Defined Networking
7 1 (0.52%) VLAN
Database & Business Intelligence
1 24 (12.57%) NoSQL
2 22 (11.52%) Big Data
2 22 (11.52%) MySQL
3 18 (9.42%) Hadoop
4 17 (8.90%) MongoDB
5 13 (6.81%) Apache Cassandra
5 13 (6.81%) Relational Database
6 10 (5.24%) PostgreSQL
6 10 (5.24%) SQL Server
7 6 (3.14%) RDBMS
8 5 (2.62%) HBase
9 4 (2.09%) Couchbase
9 4 (2.09%) Qlik Sense
9 4 (2.09%) QlikView
10 3 (1.57%) CouchDB
11 2 (1.05%) Amazon RDS
11 2 (1.05%) Hazelcast
11 2 (1.05%) Neo4j
11 2 (1.05%) Redis
11 2 (1.05%) SQL Server 2012
Development Applications
1 51 (26.70%) Git (software)
2 20 (10.47%) Jenkins
3 19 (9.95%) gulp
4 16 (8.38%) Maven
5 13 (6.81%) JIRA
5 13 (6.81%) Selenium
6 11 (5.76%) Subversion
7 10 (5.24%) Gradle
8 9 (4.71%) TeamCity
8 9 (4.71%) WebDriver
9 8 (4.19%) Cucumber
9 8 (4.19%) Visual Studio
10 7 (3.66%) webpack
11 6 (3.14%) Ant
11 6 (3.14%) Protractor
11 6 (3.14%) Team Foundation Server
12 5 (2.62%) Bower
12 5 (2.62%) Xcode
13 4 (2.09%) Grunt
13 4 (2.09%) Karma Test Runner
General
1 16 (8.38%) Banking
2 13 (6.81%) Finance
3 6 (3.14%) Marketing
4 5 (2.62%) Advertising
4 5 (2.62%) Retail
4 5 (2.62%) Telecoms
5 4 (2.09%) Wholesale Banking
6 3 (1.57%) Digital Economy
6 3 (1.57%) Publishing
7 2 (1.05%) Corporate Banking
7 2 (1.05%) Financial Institution
7 2 (1.05%) Investment Banking
8 1 (0.52%) Front Office
8 1 (0.52%) Retail Banking
Job Titles
1 158 (82.72%) Developer
2 47 (24.61%) Java Developer
3 27 (14.14%) JavaScript Developer
4 25 (13.09%) Senior Developer
5 19 (9.95%) Node.js Developer
6 17 (8.90%) Full Stack Developer
7 15 (7.85%) Front End Developer (Client-Side Developer)
8 12 (6.28%) Angular Developer
8 12 (6.28%) iOS Developer
9 10 (5.24%) AWS Developer
10 9 (4.71%) Lead Developer
10 9 (4.71%) Python Developer
11 8 (4.19%) Big Data Developer
11 8 (4.19%) Hadoop Developer
11 8 (4.19%) Java Hadoop Developer
12 7 (3.66%) Architect
12 7 (3.66%) Cassandra Developer
12 7 (3.66%) HTML Developer
13 6 (3.14%) C# Developer
13 6 (3.14%) Senior Java Developer
Libraries, Frameworks & Software Standards
1 83 (43.46%) Web Services
2 73 (38.22%) CSS
2 73 (38.22%) HTML
3 49 (25.65%) AngularJS
4 42 (21.99%) Node.js
5 40 (20.94%) React
6 35 (18.32%) JSON
7 33 (17.28%) HTML5
7 33 (17.28%) REST
8 31 (16.23%) .NET
8 31 (16.23%) jQuery
9 24 (12.57%) Spring
10 21 (10.99%) CSS3
11 18 (9.42%) XML
12 16 (8.38%) Kafka
12 16 (8.38%) Twitter Bootstrap
13 14 (7.33%) Sass
14 13 (6.81%) Ajax
15 11 (5.76%) Hibernate
16 10 (5.24%) JPA
Miscellaneous
1 27 (14.14%) User Experience
2 15 (7.85%) iPad
3 12 (6.28%) Computer Science
4 10 (5.24%) Enterprise Software
4 10 (5.24%) iPhone
5 8 (4.19%) Fintech
5 8 (4.19%) NHS
5 8 (4.19%) RIA
6 7 (3.66%) Greenfield Project
7 6 (3.14%) Cloud Native
8 5 (2.62%) Public Cloud
9 4 (2.09%) Foreign Exchange (FX)
9 4 (2.09%) Mobile App
10 2 (1.05%) Credit Risk
10 2 (1.05%) Data Structures
10 2 (1.05%) Mobile Banking
10 2 (1.05%) Social Media
11 1 (0.52%) Smart Meter
11 1 (0.52%) SWIFT
11 1 (0.52%) Video on Demand
Operating Systems
1 30 (15.71%) Linux
2 19 (9.95%) Apple iOS
3 13 (6.81%) Unix
4 10 (5.24%) Android
4 10 (5.24%) Windows
5 5 (2.62%) Windows Server
6 3 (1.57%) CoreOS
6 3 (1.57%) Red Hat Enterprise Linux
7 2 (1.05%) CentOS
8 1 (0.52%) Mac OS
8 1 (0.52%) Windows Server 2008
8 1 (0.52%) Windows Server 2012
Processes & Methodologies
1 116 (60.73%) Agile Software Development
2 74 (38.74%) TDD
3 38 (19.90%) BDD
4 36 (18.85%) Microservices
5 35 (18.32%) Scrum
6 34 (17.80%) Continuous Integration
7 33 (17.28%) E-Commerce
8 28 (14.66%) OO
9 26 (13.61%) Open Source
9 26 (13.61%) Test Automation
9 26 (13.61%) Unit Testing
10 24 (12.57%) MVC
11 23 (12.04%) Front End Development
12 21 (10.99%) DevOps
12 21 (10.99%) Pair Programming
13 20 (10.47%) High Availability
14 16 (8.38%) Software Engineering
15 15 (7.85%) Low Latency
16 14 (7.33%) Continuous Delivery
16 14 (7.33%) Web Development
Programming Languages
1 95 (49.74%) JavaScript
2 85 (44.50%) Java
3 26 (13.61%) Python
4 22 (11.52%) C#
5 15 (7.85%) Objective-C
5 15 (7.85%) SQL
6 14 (7.33%) Apple Swift
7 12 (6.28%) PHP
8 9 (4.71%) Scala
9 8 (4.19%) ES6
10 7 (3.66%) Groovy
11 5 (2.62%) C++
11 5 (2.62%) Perl
11 5 (2.62%) Ruby
11 5 (2.62%) TypeScript
12 4 (2.09%) Shell Script
13 3 (1.57%) C
14 2 (1.05%) Apex Code
14 2 (1.05%) Bash Shell
14 2 (1.05%) PL/SQL
Qualifications
1 14 (7.33%) Degree
2 8 (4.19%) Computer Science Degree
3 3 (1.57%) SC Cleared
3 3 (1.57%) Security Cleared
4 1 (0.52%) CFA
4 1 (0.52%) ISTQB
Quality Assurance & Compliance
1 7 (3.66%) QA
System Software
1 22 (11.52%) Docker
2 1 (0.52%) Apache Flume
2 1 (0.52%) GridGain
2 1 (0.52%) HDFS
2 1 (0.52%) KVM
2 1 (0.52%) Shibboleth
2 1 (0.52%) VirtualBox
2 1 (0.52%) VMware Infrastructure
Systems Management
1 10 (5.24%) Puppet
2 9 (4.71%) Ansible
3 6 (3.14%) Kubernetes
3 6 (3.14%) Terraform
4 3 (1.57%) Docker Swarm
5 2 (1.05%) Graphite
5 2 (1.05%) Opscode Chef
6 1 (0.52%) Kibana
6 1 (0.52%) Mesos
Vendors
1 7 (3.66%) Oracle
2 5 (2.62%) IBM
3 4 (2.09%) Apigee
3 4 (2.09%) Cloudera
3 4 (2.09%) Google
3 4 (2.09%) Microsoft
3 4 (2.09%) MuleSoft
3 4 (2.09%) Sitecore
4 3 (1.57%) Atlassian
4 3 (1.57%) F5
4 3 (1.57%) Marketo
4 3 (1.57%) Red Hat
4 3 (1.57%) Splunk
4 3 (1.57%) Xamarin
5 2 (1.05%) Adobe
5 2 (1.05%) Salesforce.com
6 1 (0.52%) Citrix
6 1 (0.52%) Informatica
6 1 (0.52%) OpenText
6 1 (0.52%) TIBCO
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