Period
to 21 January 2019

The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for REST skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited REST over the 6 months to 21 January 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.

Representational State Transfer (REST)
Central London > City of London
6 months to
21 Jan 2019
Same period 2018 Same period 2017
Rank 46 37 52
Rank change year-on-year -9 +15 +19
Contract jobs citing REST 333 368 259
As % of all contract IT jobs advertised in the City of London 4.92% 5.26% 4.19%
As % of the Libraries, Frameworks & Software Standards category 12.53% 13.78% 11.66%
Number of daily rates quoted 265 322 231
City of London median daily rate £538 £500 £500
Median daily rate % change year-on-year +7.50% - -
10th Percentile £413 £394 £331
90th Percentile £675 £599 £638
Central London median daily rate £550 £500 £488
% change year-on-year +10.00% +2.56% -2.50%
Number of hourly rates quoted 0 1 0
City of London median hourly rate - £21.50 -
Central London median hourly rate - £21.50 -

REST 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 2,657 2,670 2,221
As % of all contract IT jobs advertised in the City of London 39.29% 38.20% 35.96%
Number of daily rates quoted 2,208 2,278 1,877
City of London median daily rate £525 £513 £475
Median daily rate % change year-on-year +2.44% +7.89% -
10th Percentile £408 £363 £327
90th Percentile £668 £663 £650
Central London median daily rate £525 £500 £475
% change year-on-year +5.00% +5.26% +5.56%
Number of hourly rates quoted 3 6 2
City of London median hourly rate £19.00 £27.55 £52.12
Median hourly rate % change year-on-year -31.02% -47.15% +30.31%
10th Percentile £14.90 £21.00 £45.66
90th Percentile £84.50 £57.88 £56.68
Central London median hourly rate £27.00 £27.09 £52.12
% change year-on-year -0.33% -48.03% +30.31%

REST
Job Vacancy Trend in the City of London

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

Job vacancy trend for REST in the City of London

REST
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 REST in the City of London.

Contractor daily rate trend for REST in the City of London

REST
Contractor Daily Rate Histogram in the City of London

The daily rate distribution of IT jobs citing REST in the City of London over the 6 months to 21 January 2019.

Contractor daily rate histogram for REST in the City of London

REST
Contractor Hourly Rate Trend in the City of London

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing REST in the City of London.

Contractor hourly rate trend for REST in the City of London

REST
Contract Job Locations in the City of London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing REST within the City of London region over the 6 months to 21 January 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
London Bridge -52 1 £425 -26.09%
REST
Central London

For the 6 months to 21 January 2019, IT contractor jobs citing REST 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 REST.

1 191 (57.36%) Java
2 176 (52.85%) Agile Software Development
3 141 (42.34%) TDD
4 123 (36.94%) JavaScript
5 121 (36.34%) Spring
6 107 (32.13%) AngularJS
6 107 (32.13%) Microservices
7 96 (28.83%) HTML
8 91 (27.33%) Banking
9 86 (25.83%) Finance
10 81 (24.32%) BDD
11 77 (23.12%) Git (software)
12 73 (21.92%) SOAP
13 70 (21.02%) Amazon AWS
14 68 (20.42%) JSON
15 64 (19.22%) CSS
16 60 (18.02%) Docker
17 59 (17.72%) Web Services
17 59 (17.72%) .NET
18 57 (17.12%) Node.js
18 57 (17.12%) Java 8
19 56 (16.82%) Scrum
20 55 (16.52%) C#
20 55 (16.52%) React
20 55 (16.52%) Spring Boot
21 54 (16.22%) SQL
21 54 (16.22%) Linux
22 53 (15.92%) Test Automation
23 52 (15.62%) Microsoft Azure
23 52 (15.62%) Software Engineering

REST
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 39 (11.71%) Elasticsearch
2 18 (5.41%) Confluence
3 13 (3.90%) Apache Spark
4 12 (3.60%) Cloud Foundry
5 10 (3.00%) CMS
6 8 (2.40%) JBoss
6 8 (2.40%) WordPress
7 5 (1.50%) Mule
8 4 (1.20%) Tomcat
9 3 (0.90%) Apache
9 3 (0.90%) Apache Solr
9 3 (0.90%) Oracle SOA Suite
10 2 (0.60%) Drupal
10 2 (0.60%) GlassFish
10 2 (0.60%) IBM Notes
10 2 (0.60%) IIS
10 2 (0.60%) Jetty
10 2 (0.60%) nginx
10 2 (0.60%) NServiceBus
10 2 (0.60%) WebSphere
Applications
1 3 (0.90%) Microsoft Office
Business Applications
1 1 (0.30%) Dynamics CRM
1 1 (0.30%) Remedy ITSM
Cloud Services
1 70 (21.02%) Amazon AWS
2 52 (15.62%) Microsoft Azure
3 27 (8.11%) Heroku
4 17 (5.11%) Serverless
5 12 (3.60%) Google Cloud Platform
6 11 (3.30%) GitHub
7 10 (3.00%) Amazon EC2
8 8 (2.40%) AWS Lambda
9 7 (2.10%) PaaS
10 5 (1.50%) Amazon S3
10 5 (1.50%) npm
11 4 (1.20%) Amazon SQS
11 4 (1.20%) AWS Fargate
11 4 (1.20%) Azure Functions
12 3 (0.90%) Force.com
12 3 (0.90%) IaaS
12 3 (0.90%) Yarn
13 2 (0.60%) Amazon CloudWatch
13 2 (0.60%) Amazon Kinesis
13 2 (0.60%) AWS CloudFormation
Communications & Networking
1 34 (10.21%) HTTP
2 25 (7.51%) DNS
3 24 (7.21%) SSL
3 24 (7.21%) TCP/IP
4 23 (6.91%) FTP
5 6 (1.80%) AMQP
6 4 (1.20%) Junos
6 4 (1.20%) X.509
7 1 (0.30%) BGP
7 1 (0.30%) Firewall
7 1 (0.30%) Internet
7 1 (0.30%) LAN
7 1 (0.30%) MPLS
7 1 (0.30%) MRTG
7 1 (0.30%) OSPF
7 1 (0.30%) Reverse Proxy
7 1 (0.30%) SNMP
7 1 (0.30%) TACACS
7 1 (0.30%) VPN
7 1 (0.30%) WAN
Database & Business Intelligence
1 46 (13.81%) MongoDB
2 37 (11.11%) Relational Database
2 37 (11.11%) SQL Server
3 25 (7.51%) NoSQL
4 19 (5.71%) PostgreSQL
5 17 (5.11%) Apache Cassandra
6 16 (4.80%) RDBMS
7 14 (4.20%) Big Data
8 13 (3.90%) Hadoop
8 13 (3.90%) MySQL
9 11 (3.30%) Redis
9 11 (3.30%) SQL Server Integration Services
10 7 (2.10%) Azure SQL Database
10 7 (2.10%) Cosmos DB
11 5 (1.50%) Data Lake
12 4 (1.20%) Amazon RDS
12 4 (1.20%) Cloud Spanner
12 4 (1.20%) Neo4j
13 3 (0.90%) Amazon DynamoDB
13 3 (0.90%) SQL Server 2012
Development Applications
1 77 (23.12%) Git (software)
2 43 (12.91%) Jenkins
3 32 (9.61%) Maven
4 31 (9.31%) JIRA
5 29 (8.71%) Gradle
6 28 (8.41%) GitLab
7 25 (7.51%) gulp
8 22 (6.61%) Selenium
9 20 (6.01%) Cucumber
10 15 (4.50%) JUnit
11 12 (3.60%) Gatling
11 12 (3.60%) Spock
12 10 (3.00%) Geb
12 10 (3.00%) SoapUI
12 10 (3.00%) Subversion
13 9 (2.70%) Mockito
14 8 (2.40%) Atlassian Bamboo
14 8 (2.40%) Hudson
15 7 (2.10%) Bitbucket
16 6 (1.80%) SpecFlow
General
1 91 (27.33%) Banking
2 86 (25.83%) Finance
3 32 (9.61%) Investment Banking
4 17 (5.11%) Front Office
5 9 (2.70%) Financial Institution
6 7 (2.10%) Pharmaceutical
6 7 (2.10%) Retail
7 6 (1.80%) Law
8 3 (0.90%) Advertising
8 3 (0.90%) Games
9 2 (0.60%) Back Office
9 2 (0.60%) Legal
9 2 (0.60%) Retail Banking
10 1 (0.30%) Automotive
10 1 (0.30%) Billing
10 1 (0.30%) Telecoms
Job Titles
1 241 (72.37%) Developer
2 136 (40.84%) Java Developer
3 42 (12.61%) Full Stack Developer
4 37 (11.11%) Senior Developer
5 28 (8.41%) .NET Developer
6 27 (8.11%) Senior Java Developer
7 20 (6.01%) C# Developer
8 19 (5.71%) Agile Developer
9 16 (4.80%) Agile Java Developer
9 16 (4.80%) Architect
9 16 (4.80%) Technical Leader
10 13 (3.90%) Tester
11 12 (3.60%) J2EE Developer
11 12 (3.60%) Java/J2EE Developer
12 11 (3.30%) React Developer
13 10 (3.00%) C# .NET Developer
14 9 (2.70%) Lead Developer
15 8 (2.40%) Lead Java Developer
15 8 (2.40%) Software Engineer
15 8 (2.40%) Technical Developer
Libraries, Frameworks & Software Standards
1 121 (36.34%) Spring
2 107 (32.13%) AngularJS
3 96 (28.83%) HTML
4 73 (21.92%) SOAP
5 68 (20.42%) JSON
6 64 (19.22%) CSS
7 59 (17.72%) .NET
7 59 (17.72%) Web Services
8 57 (17.12%) Node.js
9 55 (16.52%) React
9 55 (16.52%) Spring Boot
10 49 (14.71%) HTML5
11 39 (11.71%) OAuth
12 37 (11.11%) Hibernate
12 37 (11.11%) XML
13 32 (9.61%) Kafka
14 31 (9.31%) RESTful
15 30 (9.01%) Dropwizard
16 28 (8.41%) OAuth2
17 26 (7.81%) Redux
Miscellaneous
1 42 (12.61%) Greenfield Project
2 31 (9.31%) Fintech
3 25 (7.51%) User Experience
4 15 (4.50%) Analytical Skills
5 10 (3.00%) Mobile App
6 8 (2.40%) Algorithms
6 8 (2.40%) iPad
7 6 (1.80%) Self-Motivation
8 5 (1.50%) Data Structures
9 4 (1.20%) Cloud Native
9 4 (1.20%) Fixed Income
9 4 (1.20%) Smart City
9 4 (1.20%) SWIFT
9 4 (1.20%) Virtual Team
10 3 (0.90%) Data Centre
10 3 (0.90%) Foreign Exchange (FX)
10 3 (0.90%) iPhone
10 3 (0.90%) PKI
10 3 (0.90%) Video on Demand
11 2 (0.60%) NHS
Operating Systems
1 54 (16.22%) Linux
2 39 (11.71%) Unix
3 15 (4.50%) Windows
4 13 (3.90%) Apple iOS
5 10 (3.00%) Android
6 7 (2.10%) Mac OS X
7 2 (0.60%) Ubuntu
8 1 (0.30%) CentOS
8 1 (0.30%) Debian
8 1 (0.30%) Mac OS
Processes & Methodologies
1 176 (52.85%) Agile Software Development
2 141 (42.34%) TDD
3 107 (32.13%) Microservices
4 81 (24.32%) BDD
5 56 (16.82%) Scrum
6 53 (15.92%) Test Automation
7 52 (15.62%) Software Engineering
8 50 (15.02%) DevOps
9 49 (14.71%) Continuous Integration
10 47 (14.11%) MVC
11 36 (10.81%) Continuous Delivery
11 36 (10.81%) Open Source
12 30 (9.01%) Domain-Driven Design
13 28 (8.41%) OO
14 25 (7.51%) Front End Development
15 24 (7.21%) Kanban
15 24 (7.21%) OWASP
16 21 (6.31%) Continuous Deployment
16 21 (6.31%) Unit Testing
17 20 (6.01%) API Development
Programming Languages
1 191 (57.36%) Java
2 123 (36.94%) JavaScript
3 57 (17.12%) Java 8
4 55 (16.52%) C#
5 54 (16.22%) SQL
6 32 (9.61%) TypeScript
7 29 (8.71%) ES6
8 23 (6.91%) Python
9 17 (5.11%) Ruby
10 12 (3.60%) PHP
11 8 (2.40%) Apex Code
11 8 (2.40%) Perl
11 8 (2.40%) PL/SQL
12 7 (2.10%) Kotlin
13 5 (1.50%) Apple Swift
13 5 (1.50%) C
13 5 (1.50%) Go
13 5 (1.50%) T-SQL
14 4 (1.20%) Scala
14 4 (1.20%) XPath
Qualifications
1 20 (6.01%) Degree
2 13 (3.90%) Computer Science Degree
3 3 (0.90%) DV Cleared
3 3 (0.90%) Master's Degree
3 3 (0.90%) Security Cleared
4 2 (0.60%) AWS Certification
4 2 (0.60%) ITIL Certification
4 2 (0.60%) ITIL Foundation Certificate
5 1 (0.30%) DBS Check
5 1 (0.30%) SC Cleared
Quality Assurance & Compliance
1 24 (7.21%) QA
2 10 (3.00%) SEPA
3 7 (2.10%) Disclosure Scotland
4 6 (1.80%) PSD2
5 4 (1.20%) TARGET2
6 3 (0.90%) Solvency II
7 1 (0.30%) FATCA
7 1 (0.30%) ISO 20022
7 1 (0.30%) MiFID
System Software
1 60 (18.02%) Docker
2 3 (0.90%) VirtualBox
3 1 (0.30%) Active Directory
3 1 (0.30%) KVM
3 1 (0.30%) OpenAM
3 1 (0.30%) OpenDJ
3 1 (0.30%) VMware Infrastructure
Systems Management
1 34 (10.21%) Kubernetes
2 23 (6.91%) Docker Swarm
3 10 (3.00%) HP Quality Center
4 9 (2.70%) Terraform
5 8 (2.40%) Ansible
6 6 (1.80%) Kibana
6 6 (1.80%) Opscode Chef
7 5 (1.50%) logstash
8 3 (0.90%) Puppet
8 3 (0.90%) Single Sign-On
9 2 (0.60%) Grafana
9 2 (0.60%) WebSphere Service Registry and Repository
10 1 (0.30%) Cacti
10 1 (0.30%) Graphite
10 1 (0.30%) Icinga
10 1 (0.30%) Observium
10 1 (0.30%) OpenNMS
10 1 (0.30%) Prometheus
10 1 (0.30%) rkt
10 1 (0.30%) ZABBIX
Vendors
1 16 (4.80%) Salesforce.com
2 13 (3.90%) Oracle
3 12 (3.60%) Microsoft
3 12 (3.60%) Terracotta
4 10 (3.00%) Google
4 10 (3.00%) HP
5 9 (2.70%) Atlassian
6 8 (2.40%) Apple
7 7 (2.10%) Cadence
8 6 (1.80%) Escenic
8 6 (1.80%) Sybase
9 5 (1.50%) Splunk
10 4 (1.20%) IBM
10 4 (1.20%) Juniper
10 4 (1.20%) Kony
10 4 (1.20%) ServiceNow
11 3 (0.90%) Murex
12 2 (0.60%) Cisco
12 2 (0.60%) CyberArk
12 2 (0.60%) Lotus