Period
to 19 August 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 19 August 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
19 Aug 2019
Same period 2018 Same period 2017
Rank 70 43 46
Rank change year-on-year -27 +3 +21
Contract jobs citing REST 222 369 319
As % of all contract IT jobs advertised in the City of London 3.45% 5.28% 4.79%
As % of the Libraries, Frameworks & Software Standards category 9.45% 13.30% 12.70%
Number of daily rates quoted 163 312 249
City of London median daily rate £540 £525 £488
Median daily rate % change year-on-year +2.86% +7.69% +4.56%
10th Percentile £363 £413 £374
90th Percentile £650 £631 £625
Central London median daily rate £525 £525 £475
% change year-on-year - +10.53% +5.56%
Number of hourly rates quoted 3 3 1
City of London median hourly rate £35.00 £21.50 £26.80
Median hourly rate % change year-on-year +62.79% -19.78% -
10th Percentile £32.50 £21.25 £25.52
90th Percentile £41.59 £21.75 £28.09
Central London median hourly rate £35.00 £21.50 £26.80
% change year-on-year +62.79% -19.78% -

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 2,350 2,775 2,511
As % of all contract IT jobs advertised in the City of London 36.53% 39.69% 37.72%
Number of daily rates quoted 1,893 2,267 2,021
City of London median daily rate £525 £525 £500
Median daily rate % change year-on-year - +5.00% +5.26%
10th Percentile £409 £373 £363
90th Percentile £675 £675 £650
Central London median daily rate £525 £525 £500
% change year-on-year - +5.00% +10.50%
Number of hourly rates quoted 12 10 11
City of London median hourly rate £46.85 £22.00 £24.49
Median hourly rate % change year-on-year +112.94% -10.15% +22.43%
10th Percentile £23.28 £20.38 £20.75
90th Percentile £60.33 £45.63 £29.62
Central London median hourly rate £49.13 £22.00 £24.36
% change year-on-year +123.32% -9.69% +21.80%

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 19 August 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 19 August 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
Moorgate -9 2 - -
London Bridge - 1 £575 -
REST
Central London

For the 6 months to 19 August 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.

1 112 (50.45%) Agile Software Development
2 96 (43.24%) Java
3 80 (36.04%) Microservices
4 73 (32.88%) JavaScript
5 63 (28.38%) Web Services
6 55 (24.77%) SOAP
6 55 (24.77%) TDD
7 50 (22.52%) Amazon AWS
8 48 (21.62%) Docker
8 48 (21.62%) HTML
9 47 (21.17%) SQL
10 46 (20.72%) JSON
11 45 (20.27%) CSS
12 42 (18.92%) Git (software)
13 41 (18.47%) Python
13 41 (18.47%) Scrum
14 38 (17.12%) AngularJS
15 37 (16.67%) Finance
16 36 (16.22%) Microsoft Azure
17 35 (15.77%) C#
18 33 (14.86%) Front End Development
19 32 (14.41%) .NET
19 32 (14.41%) SQL Server
19 32 (14.41%) Spring
19 32 (14.41%) Software Engineering
19 32 (14.41%) BDD
20 31 (13.96%) Node.js
20 31 (13.96%) DevOps
20 31 (13.96%) React
21 30 (13.51%) XML

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 10 (4.50%) Elasticsearch
2 8 (3.60%) Apache
3 7 (3.15%) CMS
3 7 (3.15%) Confluence
4 6 (2.70%) JBoss
4 6 (2.70%) WebSphere
5 5 (2.25%) SharePoint
6 4 (1.80%) Cloud Foundry
7 3 (1.35%) Apache Solr
7 3 (1.35%) Apache Spark
7 3 (1.35%) IIS
8 2 (0.90%) Apache Airflow
8 2 (0.90%) Luigi
8 2 (0.90%) Magnolia
8 2 (0.90%) Sitecore CMS
8 2 (0.90%) Tomcat
8 2 (0.90%) Umbraco
8 2 (0.90%) WebLogic
9 1 (0.45%) GeoServer
9 1 (0.45%) WildFly
Applications
1 1 (0.45%) Microsoft Excel
1 1 (0.45%) Spreadsheet
Business Applications
1 4 (1.80%) Dynamics AX
1 4 (1.80%) Dynamics CRM
1 4 (1.80%) Dynamics NAV
2 2 (0.90%) Distributed Ledger
3 1 (0.45%) BusinessWorks
3 1 (0.45%) Oracle BPM
3 1 (0.45%) Salesforce.com CRM
3 1 (0.45%) SDL Web 8
3 1 (0.45%) WebTrends
Cloud Services
1 50 (22.52%) Amazon AWS
2 36 (16.22%) Microsoft Azure
3 14 (6.31%) Google Cloud Platform
4 7 (3.15%) Amazon SQS
4 7 (3.15%) AWS Lambda
4 7 (3.15%) Force.com
4 7 (3.15%) GitHub
4 7 (3.15%) Serverless
5 6 (2.70%) Amazon EC2
6 5 (2.25%) Apigee
6 5 (2.25%) Office 365
7 4 (1.80%) Azure Active Directory
7 4 (1.80%) Azure Data Factory
7 4 (1.80%) Dynamics 365
7 4 (1.80%) Power Platform
7 4 (1.80%) SaaS
8 3 (1.35%) Google Analytics
9 2 (0.90%) Amazon S3
9 2 (0.90%) AWS CloudFormation
9 2 (0.90%) Datadog
Communications & Networking
1 15 (6.76%) HTTP
2 8 (3.60%) DNS
2 8 (3.60%) TCP/IP
3 7 (3.15%) FTP
3 7 (3.15%) SSL
4 2 (0.90%) Reverse Proxy
4 2 (0.90%) WAN
5 1 (0.45%) Ethernet
5 1 (0.45%) HTTPS
5 1 (0.45%) Internet
5 1 (0.45%) Intranet
5 1 (0.45%) LAN
5 1 (0.45%) MPLS
5 1 (0.45%) Skype
5 1 (0.45%) SNMP
5 1 (0.45%) VPN
Database & Business Intelligence
1 32 (14.41%) SQL Server
2 28 (12.61%) Relational Database
3 26 (11.71%) PostgreSQL
4 22 (9.91%) MySQL
4 22 (9.91%) NoSQL
5 17 (7.66%) MongoDB
6 11 (4.95%) Apache Cassandra
7 10 (4.50%) Big Data
7 10 (4.50%) SQL Server Integration Services
8 7 (3.15%) Couchbase
9 6 (2.70%) Amazon RDS
10 4 (1.80%) Data Lake
10 4 (1.80%) Data Warehouse
10 4 (1.80%) Power BI
10 4 (1.80%) RDBMS
11 3 (1.35%) Hadoop
11 3 (1.35%) Neo4j
11 3 (1.35%) Redis
12 2 (0.90%) Blockchain
12 2 (0.90%) OLAP
Development Applications
1 42 (18.92%) Git (software)
2 26 (11.71%) Jenkins
3 17 (7.66%) Selenium
4 15 (6.76%) JIRA
5 13 (5.86%) Gatling
6 12 (5.41%) Gradle
7 11 (4.95%) gulp
8 9 (4.05%) GitLab
8 9 (4.05%) TeamCity
9 8 (3.60%) Mocha
10 6 (2.70%) CircleCI
10 6 (2.70%) Geb
10 6 (2.70%) Maven
10 6 (2.70%) NUnit
10 6 (2.70%) Spock
11 5 (2.25%) Cucumber
11 5 (2.25%) Moq
11 5 (2.25%) webpack
12 4 (1.80%) Bitbucket
12 4 (1.80%) SpecFlow
General
1 37 (16.67%) Finance
2 22 (9.91%) Retail
3 21 (9.46%) Banking
4 7 (3.15%) Telecoms
5 6 (2.70%) Public Sector
5 6 (2.70%) Publishing
6 3 (1.35%) Games
6 3 (1.35%) Law
6 3 (1.35%) Marketing
6 3 (1.35%) Retail Banking
7 2 (0.90%) Electronics
7 2 (0.90%) Financial Institution
7 2 (0.90%) Front Office
7 2 (0.90%) Legal
7 2 (0.90%) Local Government
7 2 (0.90%) Pharmaceutical
8 1 (0.45%) Investment Banking
8 1 (0.45%) Russian Language
Job Titles
1 143 (64.41%) Developer
2 40 (18.02%) Java Developer
3 27 (12.16%) Senior Developer
4 21 (9.46%) Architect
5 15 (6.76%) Front End Developer (Client-Side Developer)
5 15 (6.76%) Python Developer
5 15 (6.76%) React Developer
6 13 (5.86%) Full Stack Developer
7 11 (4.95%) .NET Developer
7 11 (4.95%) Python Engineer
8 10 (4.50%) Solutions Architect
9 9 (4.05%) Analyst
9 9 (4.05%) C# Developer
9 9 (4.05%) Salesforce Developer
10 8 (3.60%) Angular Developer
10 8 (3.60%) Senior Java Developer
11 7 (3.15%) Agile Developer
11 7 (3.15%) Software Engineer
11 7 (3.15%) Telecoms Developer
12 6 (2.70%) Senior Software Engineer
Libraries, Frameworks & Software Standards
1 63 (28.38%) Web Services
2 55 (24.77%) SOAP
3 48 (21.62%) HTML
4 46 (20.72%) JSON
5 45 (20.27%) CSS
6 38 (17.12%) AngularJS
7 32 (14.41%) .NET
7 32 (14.41%) Spring
8 31 (13.96%) Node.js
8 31 (13.96%) React
9 30 (13.51%) Redux
9 30 (13.51%) XML
10 25 (11.26%) HTML5
11 23 (10.36%) RESTful
12 20 (9.01%) Kafka
13 19 (8.56%) Spring Boot
14 18 (8.11%) GraphQL
15 13 (5.86%) Hibernate
16 12 (5.41%) WCF
17 11 (4.95%) .NET Framework
Miscellaneous
1 19 (8.56%) User Experience
2 12 (5.41%) Analytical Skills
2 12 (5.41%) Greenfield Project
2 12 (5.41%) Mobile App
3 11 (4.95%) Enterprise Software
4 8 (3.60%) Algorithms
5 5 (2.25%) Client/Server
5 5 (2.25%) Derivative
6 4 (1.80%) Equities
7 3 (1.35%) Data Structures
7 3 (1.35%) Management Information System
7 3 (1.35%) Social Media
7 3 (1.35%) Video\Live Streaming
8 2 (0.90%) Data Centre
8 2 (0.90%) Data Protection Act
8 2 (0.90%) Digital Media
8 2 (0.90%) Public Cloud
8 2 (0.90%) Reference Data
8 2 (0.90%) Reinsurance
8 2 (0.90%) Wiki
Operating Systems
1 29 (13.06%) Linux
2 13 (5.86%) Unix
3 11 (4.95%) Android
4 7 (3.15%) Apple iOS
5 6 (2.70%) Windows
6 4 (1.80%) Mac OS
7 2 (0.90%) Solaris
8 1 (0.45%) Mac OS X
8 1 (0.45%) VMS
Processes & Methodologies
1 112 (50.45%) Agile Software Development
2 80 (36.04%) Microservices
3 55 (24.77%) TDD
4 41 (18.47%) Scrum
5 33 (14.86%) Front End Development
6 32 (14.41%) BDD
6 32 (14.41%) Software Engineering
7 31 (13.96%) DevOps
8 29 (13.06%) Unit Testing
9 28 (12.61%) SOA
10 25 (11.26%) Problem-Solving
11 24 (10.81%) SDLC
12 21 (9.46%) Fintech
13 19 (8.56%) Kanban
13 19 (8.56%) OO
14 18 (8.11%) Continuous Integration
14 18 (8.11%) Test Automation
15 16 (7.21%) API Design
15 16 (7.21%) E-Commerce
16 15 (6.76%) User Stories
Programming Languages
1 96 (43.24%) Java
2 73 (32.88%) JavaScript
3 47 (21.17%) SQL
4 41 (18.47%) Python
5 35 (15.77%) C#
6 24 (10.81%) Java 8
7 16 (7.21%) ES6
8 15 (6.76%) TypeScript
9 12 (5.41%) Go
10 10 (4.50%) Apex Code
11 9 (4.05%) SOQL
12 8 (3.60%) Kotlin
12 8 (3.60%) SOSL
13 6 (2.70%) Bash Shell
13 6 (2.70%) PHP
14 5 (2.25%) C++
15 4 (1.80%) Scala
16 3 (1.35%) XPath
17 2 (0.90%) AWK
17 2 (0.90%) PowerShell
Qualifications
1 11 (4.95%) Degree
2 7 (3.15%) Security Cleared
3 6 (2.70%) Computer Science Degree
4 5 (2.25%) SC Cleared
5 2 (0.90%) CTC Cleared
5 2 (0.90%) Master's Degree
6 1 (0.45%) DV Cleared
6 1 (0.45%) Numerate Degree
Quality Assurance & Compliance
1 26 (11.71%) QA
2 2 (0.90%) Data Quality
2 2 (0.90%) SEPA
3 1 (0.45%) PSD2
System Software
1 48 (21.62%) Docker
2 5 (2.25%) Active Directory
3 1 (0.45%) Firmware
3 1 (0.45%) NFS
Systems Management
1 25 (11.26%) Kubernetes
2 8 (3.60%) Terraform
3 6 (2.70%) Ansible
3 6 (2.70%) Docker Swarm
4 3 (1.35%) Puppet
5 2 (0.90%) Consul
5 2 (0.90%) Grafana
5 2 (0.90%) Graphite
5 2 (0.90%) HP Quality Center
5 2 (0.90%) Kibana
5 2 (0.90%) logstash
5 2 (0.90%) ZABBIX
6 1 (0.45%) HP ALM
6 1 (0.45%) MIIS
6 1 (0.45%) Opscode Chef
6 1 (0.45%) Single Sign-On
6 1 (0.45%) Tivoli Storage Manager
Vendors
1 15 (6.76%) Salesforce.com
2 14 (6.31%) Google
3 10 (4.50%) Microsoft
3 10 (4.50%) Oracle
4 7 (3.15%) ServiceNow
5 5 (2.25%) IBM
5 5 (2.25%) Informatica
6 4 (1.80%) Bloomberg
6 4 (1.80%) InterSystems
6 4 (1.80%) MuleSoft
7 3 (1.35%) HP
8 2 (0.90%) CA
8 2 (0.90%) SaltStack
8 2 (0.90%) Sencha
8 2 (0.90%) Sitecore
8 2 (0.90%) TIBCO
9 1 (0.45%) Cypress Semiconductor
9 1 (0.45%) Kony
9 1 (0.45%) Tableau
9 1 (0.45%) Xamarin