Period
to 25 May 2018

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 25 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.

RESTful
Central London > City of London
6 months to
25 May 2018
Same period 2017 Same period 2016
Rank 57 82 122
Rank change year-on-year +25 +40 -23
Contract jobs citing RESTful 299 182 115
As % of all contract IT jobs advertised in the City of London 4.29% 2.95% 1.77%
As % of the Libraries, Frameworks & Software Standards category 11.15% 8.02% 5.32%
Number of daily rates quoted 238 152 99
City of London median daily rate £500 £500 £453
Median daily rate % change year-on-year - +10.50% +0.56%
10th Percentile £404 £363 £306
90th Percentile £613 £588 £601
Central London median daily rate £500 £500 £475
% change year-on-year - +5.26% +5.56%
Number of hourly rates quoted 0 0 0
City of London median hourly rate - - -
Central London median hourly rate - - -

RESTful is in the Software Libraries and Frameworks category. The following 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 technical specification, industry standards, software libraries and framework skills.

All Software Libraries and Frameworks
City of London
Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 2,682 2,269 2,160
As % of all contract IT jobs advertised in the City of London 38.44% 36.83% 33.32%
Number of daily rates quoted 2,198 1,871 1,825
City of London median daily rate £525 £500 £475
Median daily rate % change year-on-year +5.00% +5.26% +5.56%
10th Percentile £365 £333 £313
90th Percentile £673 £644 £638
Central London median daily rate £505 £475 £450
% change year-on-year +6.32% +5.56% -
Number of hourly rates quoted 14 5 5
City of London median hourly rate £21.75 £24.86 £43.57
Median hourly rate % change year-on-year -12.51% -42.94% +79.82%
10th Percentile £21.08 £23.98 £17.09
90th Percentile £58.23 £33.73 £60.00
Central London median hourly rate £22.00 £24.86 £43.57
% change year-on-year -11.50% -42.94% +59.19%

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 25 May 2018.

Contractor daily rate histogram for RESTful in the City of London

For the 6 months to 25 May 2018, IT contractor jobs citing RESTful 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 across the City of London region with a requirement for RESTful.

1 171 (57.19%) Agile Software Development
2 154 (51.51%) Java
3 142 (47.49%) JavaScript
4 139 (46.49%) Web Services
5 105 (35.12%) Node.js
6 96 (32.11%) TDD
7 89 (29.77%) React
8 86 (28.76%) CSS
9 82 (27.42%) HTML
10 80 (26.76%) Amazon AWS
11 75 (25.08%) Microservices
12 72 (24.08%) Git (software)
13 67 (22.41%) Jenkins
14 66 (22.07%) NoSQL
14 66 (22.07%) Finance
15 64 (21.40%) C#
15 64 (21.40%) E-Commerce
15 64 (21.40%) AngularJS
16 57 (19.06%) HTML5
17 56 (18.73%) REST
18 53 (17.73%) Web Development
19 51 (17.06%) Continuous Integration
19 51 (17.06%) MVC
20 49 (16.39%) Python
20 49 (16.39%) .NET
20 49 (16.39%) Spring
20 49 (16.39%) DevOps
21 47 (15.72%) Docker
22 46 (15.38%) BDD
23 45 (15.05%) CSS3

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 23 (7.69%) Tomcat
2 20 (6.69%) Apache
3 13 (4.35%) Cloud Foundry
4 8 (2.68%) Elasticsearch
5 5 (1.67%) OpenStack
6 4 (1.34%) Confluence
7 3 (1.00%) Jetty
7 3 (1.00%) NServiceBus
7 3 (1.00%) WordPress
8 2 (0.67%) Adobe Experience Manager
8 2 (0.67%) JBoss
8 2 (0.67%) Liferay
8 2 (0.67%) SharePoint
8 2 (0.67%) WebSphere
9 1 (0.33%) Apache ServiceMix
9 1 (0.33%) Apache Solr
9 1 (0.33%) Apache Spark
9 1 (0.33%) nginx
9 1 (0.33%) Oracle SOA Suite
9 1 (0.33%) WebSphere Application Server
Applications
1 3 (1.00%) MS Visio
2 1 (0.33%) Chatbot
Business Applications
1 13 (4.35%) Payment Gateway
2 2 (0.67%) Salesforce.com CRM
3 1 (0.33%) Distributed Ledger
3 1 (0.33%) SDL Web 8
Cloud Services
1 80 (26.76%) Amazon AWS
2 43 (14.38%) Microsoft Azure
3 19 (6.35%) npm
4 15 (5.02%) PaaS
5 12 (4.01%) GitHub
6 10 (3.34%) Google Cloud Platform
6 10 (3.34%) Serverless
7 5 (1.67%) SaaS
8 4 (1.34%) Amazon CloudWatch
8 4 (1.34%) Heroku
9 2 (0.67%) Amazon SQS
9 2 (0.67%) AWS CloudTrail
9 2 (0.67%) Google App Engine
9 2 (0.67%) IaaS
9 2 (0.67%) Salesforce Sales Cloud
9 2 (0.67%) Salesforce Service Cloud
10 1 (0.33%) BrowserStack
10 1 (0.33%) Dynamics 365
10 1 (0.33%) NuGet
10 1 (0.33%) Sauce Labs
Communications & Networking
1 21 (7.02%) HTTP
2 11 (3.68%) SSL
3 7 (2.34%) IMAP
3 7 (2.34%) SMTP
4 6 (2.01%) Internet
5 4 (1.34%) TCP/IP
6 3 (1.00%) DNS
6 3 (1.00%) FTP
7 2 (0.67%) HTTPS
7 2 (0.67%) Kerberos
8 1 (0.33%) Firewall
8 1 (0.33%) Intranet
8 1 (0.33%) VPN
Database & Business Intelligence
1 66 (22.07%) NoSQL
2 32 (10.70%) SQL Server
3 23 (7.69%) PostgreSQL
4 18 (6.02%) Relational Database
5 17 (5.69%) Apache Cassandra
6 16 (5.35%) Redis
7 15 (5.02%) MySQL
8 12 (4.01%) MongoDB
9 7 (2.34%) Cosmos DB
10 6 (2.01%) Big Data
10 6 (2.01%) Couchbase
10 6 (2.01%) CouchDB
11 5 (1.67%) Amazon DynamoDB
11 5 (1.67%) SQL Server 2014
12 3 (1.00%) SQL Server 2016
13 2 (0.67%) Data Lake
13 2 (0.67%) HBase
13 2 (0.67%) LevelDB
14 1 (0.33%) RavenDB
14 1 (0.33%) SAP HANA
Development Applications
1 72 (24.08%) Git (software)
2 67 (22.41%) Jenkins
3 44 (14.72%) JUnit
4 39 (13.04%) Maven
5 33 (11.04%) TestNG
6 29 (9.70%) webpack
7 27 (9.03%) Selenium
8 22 (7.36%) gulp
9 21 (7.02%) Cucumber
10 17 (5.69%) Sonatype Nexus
11 15 (5.02%) Eclipse
11 15 (5.02%) Gerrit
11 15 (5.02%) Gradle
11 15 (5.02%) SonarQube
12 13 (4.35%) Babel
12 13 (4.35%) IBM UrbanCode
12 13 (4.35%) JIRA
12 13 (4.35%) Mocha
13 12 (4.01%) WebDriver
14 9 (3.01%) Grunt
General
1 66 (22.07%) Finance
2 32 (10.70%) Banking
3 20 (6.69%) Front Office
4 9 (3.01%) Financial Institution
5 8 (2.68%) Legal
6 6 (2.01%) Investment Banking
7 5 (1.67%) Advertising
7 5 (1.67%) Retail Banking
8 4 (1.34%) Retail
9 3 (1.00%) Billing
9 3 (1.00%) German Language
9 3 (1.00%) Marketing
10 2 (0.67%) Law
10 2 (0.67%) Publishing
11 1 (0.33%) Games
11 1 (0.33%) Prime Brokerage
11 1 (0.33%) Wholesale Banking
Job Titles
1 235 (78.60%) Developer
2 90 (30.10%) Java Developer
3 43 (14.38%) Senior Developer
4 35 (11.71%) Web Developer
5 33 (11.04%) E-Commerce Developer
6 32 (10.70%) JavaScript Developer
7 31 (10.37%) E-Commerce Web Developer
7 31 (10.37%) Java E-Commerce Developer
7 31 (10.37%) Java Web Developer
8 29 (9.70%) .NET Developer
9 28 (9.36%) Full Stack Developer
10 27 (9.03%) Senior Java Developer
11 24 (8.03%) React Developer
12 21 (7.02%) DevOps Engineer
13 20 (6.69%) Cloud Developer
14 16 (5.35%) Front End Developer (Client-Side Developer)
14 16 (5.35%) Node.js Developer
15 15 (5.02%) C# Developer
16 14 (4.68%) Architect
16 14 (4.68%) Software Engineer
Libraries, Frameworks & Software Standards
1 139 (46.49%) Web Services
2 105 (35.12%) Node.js
3 89 (29.77%) React
4 86 (28.76%) CSS
5 82 (27.42%) HTML
6 64 (21.40%) AngularJS
7 57 (19.06%) HTML5
8 56 (18.73%) REST
9 49 (16.39%) .NET
9 49 (16.39%) Spring
10 45 (15.05%) CSS3
11 42 (14.05%) SOAP
12 36 (12.04%) Sass
13 30 (10.03%) Dropwizard
14 29 (9.70%) ASP.NET Web API
15 21 (7.02%) OAuth
16 20 (6.69%) Express
16 20 (6.69%) JSON
17 19 (6.35%) Redux
18 17 (5.69%) ASP.NET
Miscellaneous
1 38 (12.71%) User Experience
2 30 (10.03%) Mobile App
3 25 (8.36%) iPad
4 24 (8.03%) Fintech
5 20 (6.69%) Greenfield Project
6 6 (2.01%) Algorithms
6 6 (2.01%) Computer Science
6 6 (2.01%) Linux Command Line
6 6 (2.01%) Virtual Team
7 5 (1.67%) RIA
8 4 (1.34%) Hedge funds
9 3 (1.00%) Analytical Skills
9 3 (1.00%) Data Centre
9 3 (1.00%) Public Cloud
9 3 (1.00%) Self-Motivation
10 2 (0.67%) Data Structures
10 2 (0.67%) Management Information System
10 2 (0.67%) Mobile Payment
10 2 (0.67%) PKI
11 1 (0.33%) Equities
Operating Systems
1 21 (7.02%) Linux
2 16 (5.35%) Android
3 15 (5.02%) Apple iOS
3 15 (5.02%) Unix
4 8 (2.68%) Windows
5 4 (1.34%) Mac OS X
6 3 (1.00%) CoreOS
6 3 (1.00%) VMS
7 1 (0.33%) Mac OS
7 1 (0.33%) Ubuntu
7 1 (0.33%) Windows Server
Processes & Methodologies
1 171 (57.19%) Agile Software Development
2 96 (32.11%) TDD
3 75 (25.08%) Microservices
4 64 (21.40%) E-Commerce
5 53 (17.73%) Web Development
6 51 (17.06%) Continuous Integration
6 51 (17.06%) MVC
7 49 (16.39%) DevOps
8 46 (15.38%) BDD
9 40 (13.38%) Test Automation
10 39 (13.04%) Scrum
11 37 (12.37%) API Development
12 33 (11.04%) B2C
13 31 (10.37%) Open Source
14 29 (9.70%) Software Engineering
14 29 (9.70%) Unit Testing
15 26 (8.70%) OOP
16 23 (7.69%) Front End Development
17 22 (7.36%) Configuration Management
18 21 (7.02%) Pair Programming
Programming Languages
1 154 (51.51%) Java
2 142 (47.49%) JavaScript
3 64 (21.40%) C#
4 49 (16.39%) Python
5 41 (13.71%) Java 8
6 25 (8.36%) Ruby
7 22 (7.36%) Groovy
7 22 (7.36%) SQL
8 20 (6.69%) ES6
9 19 (6.35%) Bash Shell
9 19 (6.35%) TypeScript
10 15 (5.02%) Scala
11 14 (4.68%) Shell Script
12 13 (4.35%) C++
13 10 (3.34%) PHP
14 8 (2.68%) PowerShell
15 6 (2.01%) JSX
16 5 (1.67%) Kotlin
16 5 (1.67%) R
17 4 (1.34%) Apple Swift
Qualifications
1 8 (2.68%) Degree
1 8 (2.68%) Security Cleared
2 7 (2.34%) SC Cleared
3 4 (1.34%) Computer Science Degree
4 2 (0.67%) CCNA
4 2 (0.67%) CCNP
4 2 (0.67%) Cisco Certification
5 1 (0.33%) ISEB
5 1 (0.33%) ISTQB
5 1 (0.33%) TOGAF Certification
Quality Assurance & Compliance
1 20 (6.69%) QA
2 5 (1.67%) ISO/IEC 27001
3 3 (1.00%) GCP
4 2 (0.67%) WCAG
System Software
1 47 (15.72%) Docker
2 2 (0.67%) Firmware
Systems Management
1 28 (9.36%) Ansible
2 20 (6.69%) Kubernetes
3 12 (4.01%) Opscode Chef
4 9 (3.01%) Puppet
5 7 (2.34%) Terraform
6 4 (1.34%) Grafana
6 4 (1.34%) Kibana
6 4 (1.34%) logstash
7 3 (1.00%) Docker Swarm
8 1 (0.33%) Control-M
Vendors
1 20 (6.69%) Microsoft
2 16 (5.35%) Google
3 14 (4.68%) Apigee
4 11 (3.68%) Splunk
5 7 (2.34%) IBM
6 6 (2.01%) Oracle
7 4 (1.34%) AppDynamics
7 4 (1.34%) Salesforce.com
8 2 (0.67%) Apple
8 2 (0.67%) Cisco
8 2 (0.67%) Dell
8 2 (0.67%) New Relic
8 2 (0.67%) Qualys
8 2 (0.67%) Rollbar
9 1 (0.33%) Adobe
9 1 (0.33%) Embarcadero
9 1 (0.33%) SAP
9 1 (0.33%) Sitecore
9 1 (0.33%) Sybase
9 1 (0.33%) Xamarin