Period
to 12 August 2020

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 12 August 2020 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
12 Aug 2020
Same period 2019 Same period 2018
Rank 59 68 41
Rank change year-on-year +9 -27 +6
Contract jobs citing REST 70 228 368
As % of all contract jobs advertised in the City of London 3.23% 3.52% 5.27%
As % of the Libraries, Frameworks & Software Standards category 9.86% 9.56% 13.34%
Number of daily rates quoted 58 173 317
Median daily rate £538 £538 £525
Median daily rate % change year-on-year - +2.38% +10.53%
10th Percentile £425 £363 £413
90th Percentile £863 £675 £625
Central London median daily rate £538 £525 £525
% change year-on-year +2.38% - +10.53%
Number of hourly rates quoted 0 3 4
Median hourly rate - £35.00 £21.50
Median hourly rate % change year-on-year - +62.79% -19.78%
Central London median hourly rate - £35.00 £21.50
% 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 710 2,384 2,758
As % of all contract IT jobs advertised in the City of London 32.78% 36.80% 39.51%
Number of daily rates quoted 518 1,932 2,246
Median daily rate £525 £525 £525
10th Percentile £375 £413 £370
90th Percentile £688 £675 £675
Central London median daily rate £525 £525 £525
Number of hourly rates quoted 9 12 12
Median hourly rate £35.00 £46.85 £22.00
Median hourly rate % change year-on-year -25.29% +112.94% -10.15%
10th Percentile £30.90 £23.28 £21.00
90th Percentile £49.70 £60.33 £60.63
Median hourly rate £35.00 £49.13 £22.00
% change year-on-year -28.76% +123.32% -9.69%

REST
Job Vacancy Trend in the City of London

Job postings citing REST as a proportion 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

3-month moving average daily rate quoted in jobs citing REST in the City of London.

Daily rate trend for REST in the City of London

REST
Daily Rate Histogram in the City of London

Daily rate distribution for jobs citing REST in the City of London over the 6 months to 12 August 2020.

Daily rate histogram for REST in the City of London

REST
Contractor Hourly Rate Trend in the City of London

3-month moving average hourly rates quoted in jobs citing REST in the City of London.

Hourly rate trend for REST in the City of London

For the 6 months to 12 August 2020, 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 30 (42.86%) Agile Software Development
2 29 (41.43%) Java
3 26 (37.14%) Finance
4 23 (32.86%) Microservices
5 17 (24.29%) C#
5 17 (24.29%) AngularJS
6 16 (22.86%) Web Services
6 16 (22.86%) Banking
7 15 (21.43%) CSS
7 15 (21.43%) SQL Server
7 15 (21.43%) DevOps
7 15 (21.43%) React
8 13 (18.57%) Kubernetes
8 13 (18.57%) Test Automation
9 12 (17.14%) Azure
9 12 (17.14%) WCF
9 12 (17.14%) Reactive Extensions
9 12 (17.14%) JavaScript
9 12 (17.14%) TDD
10 11 (15.71%) Spring
10 11 (15.71%) TypeScript
11 10 (14.29%) BDD
11 10 (14.29%) Continuous Integration
11 10 (14.29%) AWS
11 10 (14.29%) Android
11 10 (14.29%) Scrum
11 10 (14.29%) Performance Tuning
11 10 (14.29%) Redux
12 9 (12.86%) Middleware
12 9 (12.86%) Android Development

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 6 (8.57%) Confluence
2 2 (2.86%) Apache
2 2 (2.86%) IIS
2 2 (2.86%) Tomcat
3 1 (1.43%) Apache Spark
3 1 (1.43%) BizTalk Server
3 1 (1.43%) JBoss
3 1 (1.43%) Oracle SOA Suite
3 1 (1.43%) Red Hat Fuse
3 1 (1.43%) WebLogic
Applications
1 1 (1.43%) Figma
Business Applications
1 1 (1.43%) Oracle ERP
Cloud Services
1 12 (17.14%) Azure
2 10 (14.29%) AWS
3 5 (7.14%) SaaS
4 4 (5.71%) Azure ExpressRoute
4 4 (5.71%) Azure Stack
4 4 (5.71%) iPaaS
5 3 (4.29%) GitHub
6 2 (2.86%) Amazon S3
6 2 (2.86%) Apigee
6 2 (2.86%) GCP
6 2 (2.86%) PaaS
6 2 (2.86%) Serverless
7 1 (1.43%) Amazon ECS
7 1 (1.43%) Amazon Kinesis
7 1 (1.43%) Azure Active Directory
7 1 (1.43%) BlazeMeter
7 1 (1.43%) Logic Apps
7 1 (1.43%) npm
7 1 (1.43%) Tricentis Tosca
7 1 (1.43%) Yarn
Communications & Networking
1 4 (5.71%) VPN
2 3 (4.29%) HTTP
3 1 (1.43%) AMQP
3 1 (1.43%) DNS
3 1 (1.43%) Firewall
3 1 (1.43%) SSH
3 1 (1.43%) SSL
Database & Business Intelligence
1 15 (21.43%) SQL Server
2 5 (7.14%) PostgreSQL
2 5 (7.14%) Relational Database
3 3 (4.29%) MySQL
3 3 (4.29%) RDBMS
4 2 (2.86%) Amazon Athena
4 2 (2.86%) Amazon DynamoDB
4 2 (2.86%) Data Lake
4 2 (2.86%) Oracle ODI
5 1 (1.43%) Big Data
5 1 (1.43%) Data Warehouse
5 1 (1.43%) HBase
5 1 (1.43%) MongoDB
5 1 (1.43%) NoSQL
5 1 (1.43%) Oracle Database
5 1 (1.43%) Oracle Database 12c
5 1 (1.43%) Oracle Exadata
5 1 (1.43%) Oracle OWB
5 1 (1.43%) Parquet
5 1 (1.43%) SQL Server Integration Services
Development Applications
1 8 (11.43%) Git (software)
2 7 (10.00%) Jenkins
2 7 (10.00%) JIRA
3 6 (8.57%) Cucumber
4 4 (5.71%) JUnit
4 4 (5.71%) Maven
5 3 (4.29%) Android Studio
5 3 (4.29%) Jasmine
5 3 (4.29%) Subversion
5 3 (4.29%) TeamCity
6 2 (2.86%) Artifactory
6 2 (2.86%) Atlassian Bamboo
6 2 (2.86%) Codeship
6 2 (2.86%) IBM UrbanCode
6 2 (2.86%) jMock
6 2 (2.86%) Liquibase
6 2 (2.86%) Mockito
6 2 (2.86%) Selenium
6 2 (2.86%) VisualSVN
7 1 (1.43%) Cypress.io
General
1 26 (37.14%) Finance
2 16 (22.86%) Banking
3 3 (4.29%) Investment Banking
3 3 (4.29%) Retail
4 2 (2.86%) Advertising
4 2 (2.86%) Front Office
5 1 (1.43%) Back Office
5 1 (1.43%) International Banking
5 1 (1.43%) Law
Job Titles
1 49 (70.00%) Developer
2 12 (17.14%) C# Developer
3 10 (14.29%) Java Developer
4 9 (12.86%) Android Developer
5 6 (8.57%) Architect
6 5 (7.14%) Applications Developer
6 5 (7.14%) Azure Architect
6 5 (7.14%) Solutions Architect
7 3 (4.29%) .NET Developer
7 3 (4.29%) Angular Developer
7 3 (4.29%) Data Engineer
7 3 (4.29%) iOS Developer
7 3 (4.29%) React Developer
8 2 (2.86%) AWS Developer
8 2 (2.86%) Build Engineer
8 2 (2.86%) Deployment Engineer
8 2 (2.86%) DevOps Engineer
8 2 (2.86%) Java Engineer
8 2 (2.86%) Kubernetes Engineer
8 2 (2.86%) ServiceNow Developer
Libraries, Frameworks & Software Standards
1 17 (24.29%) AngularJS
2 16 (22.86%) Web Services
3 15 (21.43%) CSS
3 15 (21.43%) React
4 12 (17.14%) Reactive Extensions
4 12 (17.14%) WCF
5 11 (15.71%) Spring
6 10 (14.29%) Redux
7 9 (12.86%) Middleware
8 8 (11.43%) HTML
8 8 (11.43%) JSON
8 8 (11.43%) RxJava
9 7 (10.00%) SOAP
10 6 (8.57%) .NET
11 5 (7.14%) Kafka
11 5 (7.14%) Node.js
11 5 (7.14%) Spring Boot
12 3 (4.29%) Android SDK
12 3 (4.29%) HTML5
12 3 (4.29%) XML
Miscellaneous
1 7 (10.00%) User Experience
2 4 (5.71%) Fixed Income
2 4 (5.71%) Mobile App
2 4 (5.71%) Video on Demand
3 3 (4.29%) Analytical Skills
4 2 (2.86%) Data Structures
4 2 (2.86%) Enterprise Software
4 2 (2.86%) iPad
5 1 (1.43%) Algorithms
5 1 (1.43%) Cloud Native
5 1 (1.43%) Clustering
5 1 (1.43%) CMDB
5 1 (1.43%) Credit Risk
5 1 (1.43%) Derivative
5 1 (1.43%) Greenfield Project
5 1 (1.43%) Management Information System
5 1 (1.43%) Market Risk
5 1 (1.43%) Public Cloud
5 1 (1.43%) Replication
Operating Systems
1 10 (14.29%) Android
2 6 (8.57%) Linux
3 4 (5.71%) Unix
4 3 (4.29%) Apple iOS
5 1 (1.43%) Windows
Processes & Methodologies
1 30 (42.86%) Agile Software Development
2 23 (32.86%) Microservices
3 15 (21.43%) DevOps
4 13 (18.57%) Test Automation
5 12 (17.14%) TDD
6 10 (14.29%) BDD
6 10 (14.29%) Continuous Integration
6 10 (14.29%) Performance Tuning
6 10 (14.29%) Scrum
7 9 (12.86%) Android Development
8 8 (11.43%) Mobile Development
8 8 (11.43%) MVVM
9 7 (10.00%) Digital Banking
9 7 (10.00%) SDLC
9 7 (10.00%) SOA
9 7 (10.00%) Unit Testing
10 6 (8.57%) API Development
10 6 (8.57%) Multithreading
10 6 (8.57%) Pair Programming
11 5 (7.14%) User Stories
Programming Languages
1 29 (41.43%) Java
2 17 (24.29%) C#
3 12 (17.14%) JavaScript
4 11 (15.71%) TypeScript
5 8 (11.43%) Kotlin
6 7 (10.00%) Java 8
6 7 (10.00%) Python
7 6 (8.57%) SQL
8 4 (5.71%) Perl
9 3 (4.29%) C
9 3 (4.29%) PHP
10 2 (2.86%) C++
10 2 (2.86%) Groovy
10 2 (2.86%) PowerShell
11 1 (1.43%) Apple Swift
11 1 (1.43%) Bash Shell
11 1 (1.43%) Erlang
11 1 (1.43%) ES6
11 1 (1.43%) Objective-C
11 1 (1.43%) PL/SQL
Qualifications
1 4 (5.71%) SC Cleared
1 4 (5.71%) Security Cleared
2 2 (2.86%) Degree
3 1 (1.43%) Computer Science Degree
3 1 (1.43%) ISEB
3 1 (1.43%) ISTQB Foundation Certification
3 1 (1.43%) Master's Degree
Quality Assurance & Compliance
1 6 (8.57%) QA
2 1 (1.43%) ISO/IEC 20000
System Software
1 7 (10.00%) Docker
2 1 (1.43%) Oracle RAC
Systems Management
1 13 (18.57%) Kubernetes
2 5 (7.14%) Terraform
3 2 (2.86%) Grafana
3 2 (2.86%) Kibana
3 2 (2.86%) Prometheus
4 1 (1.43%) Data Guard
4 1 (1.43%) Oracle Enterprise Manager
4 1 (1.43%) Oracle RMAN
4 1 (1.43%) Single Sign-On
Vendors
1 7 (10.00%) Oracle
2 5 (7.14%) ServiceNow
3 2 (2.86%) Micro Focus
3 2 (2.86%) MuleSoft
3 2 (2.86%) RedGate
3 2 (2.86%) WSO2
4 1 (1.43%) Atlassian
4 1 (1.43%) Google
4 1 (1.43%) HP
4 1 (1.43%) MapR
4 1 (1.43%) Microsoft
4 1 (1.43%) Murex
4 1 (1.43%) Sybase
4 1 (1.43%) Workday