Period
to 11 May 2021

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 11 May 2021 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
11 May 2021
Same period 2020 Same period 2019
Rank 82 61 52
Rank change year-on-year -21 -9 -16
Contract jobs citing REST 72 111 285
As % of all contract jobs advertised in the City of London 2.66% 3.22% 4.33%
As % of the Libraries, Frameworks & Software Standards category 7.92% 9.45% 11.48%
Number of daily rates quoted 59 84 214
10th Percentile £409 £363 £364
25th Percentile £463 £439 £438
Median daily rate (50th Percentile) £550 £519 £538
Median % change year-on-year +6.02% -3.49% +7.50%
75th Percentile £650 £625 £625
90th Percentile £700 £751 £687
Central London median daily rate £550 £525 £538
% change year-on-year +4.76% -2.33% +7.50%
Number of hourly rates quoted 0 1 3
Median hourly rate - £57.50 £35.00
Median % change year-on-year - +64.29% +62.79%
Central London median hourly rate - £57.50 £35.00
% change year-on-year - +64.29% +62.79%

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 909 1,175 2,482
As % of all contract IT jobs advertised in the City of London 33.58% 34.12% 37.71%
Number of daily rates quoted 687 930 2,012
10th Percentile £395 £381 £413
25th Percentile £461 £450 £463
Median daily rate (50th Percentile) £550 £525 £525
Median % change year-on-year +4.76% - -
75th Percentile £638 £613 £600
90th Percentile £700 £675 £675
Central London median daily rate £550 £525 £525
% change year-on-year +4.76% - +3.96%
Number of hourly rates quoted 3 5 9
10th Percentile £15.25 £27.20 £13.25
25th Percentile £15.63 £32.75 £22.25
Median hourly rate £17.50 £46.50 £35.00
Median % change year-on-year -62.37% +32.86% +59.09%
75th Percentile £20.63 £57.50 £49.13
90th Percentile £21.75 £59.75 £56.50
Central London median hourly rate £17.50 £50.75 £38.37
% change year-on-year -65.52% +32.26% +74.42%

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 11 May 2021.

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 11 May 2021, 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 44 (61.11%) Java
2 36 (50.00%) Agile Software Development
3 34 (47.22%) Spring
4 26 (36.11%) Banking
4 26 (36.11%) JavaScript
5 25 (34.72%) Microservices
6 20 (27.78%) Java 8
7 19 (26.39%) Jenkins
7 19 (26.39%) Finance
7 19 (26.39%) Continuous Integration
7 19 (26.39%) Azure
7 19 (26.39%) AWS
8 18 (25.00%) Git (software)
8 18 (25.00%) TDD
9 17 (23.61%) Oracle
10 16 (22.22%) OO
10 16 (22.22%) AngularJS
11 14 (19.44%) Spring Boot
11 14 (19.44%) Web Services
12 13 (18.06%) Scrum
13 12 (16.67%) Extreme Programming
13 12 (16.67%) XML
13 12 (16.67%) Linux
13 12 (16.67%) SOAP
13 12 (16.67%) HTML
13 12 (16.67%) High Availability
13 12 (16.67%) Maven
13 12 (16.67%) Kubernetes
13 12 (16.67%) Performance Tuning
14 11 (15.28%) Relational Database

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 9 (12.50%) Red Hat Fuse
2 8 (11.11%) Apache
3 5 (6.94%) Confluence
3 5 (6.94%) Elasticsearch
4 3 (4.17%) Camunda
5 2 (2.78%) IIS
5 2 (2.78%) JBoss
5 2 (2.78%) Mule
5 2 (2.78%) Oracle Coherence
5 2 (2.78%) SharePoint
6 1 (1.39%) Anypoint
6 1 (1.39%) Apache Spark
6 1 (1.39%) Cloud Foundry
Business Applications
1 1 (1.39%) Elite 3E
Cloud Services
1 19 (26.39%) AWS
1 19 (26.39%) Azure
2 11 (15.28%) GitHub
3 6 (8.33%) Azure Data Factory
4 5 (6.94%) GCP
5 4 (5.56%) IaaS
5 4 (5.56%) PaaS
6 3 (4.17%) Amazon ECS
6 3 (4.17%) AWS CloudFormation
6 3 (4.17%) SaaS
6 3 (4.17%) Slack
7 2 (2.78%) Amazon ElastiCache
7 2 (2.78%) Amazon Kinesis
7 2 (2.78%) Azure Stack
7 2 (2.78%) Dynamics 365
7 2 (2.78%) Power Platform
7 2 (2.78%) PowerApps
7 2 (2.78%) Serverless
8 1 (1.39%) Apigee
8 1 (1.39%) OpenShift
Communications & Networking
1 4 (5.56%) DNS
1 4 (5.56%) HTTP
1 4 (5.56%) TCP/IP
2 3 (4.17%) SSL
3 2 (2.78%) FTP
3 2 (2.78%) Kerberos
4 1 (1.39%) SIGTRAN
4 1 (1.39%) SMPP
4 1 (1.39%) SMS
4 1 (1.39%) SS7
4 1 (1.39%) Wireshark
Database & Business Intelligence
1 11 (15.28%) Relational Database
1 11 (15.28%) SQL Server
2 6 (8.33%) NoSQL
3 5 (6.94%) MongoDB
3 5 (6.94%) PostgreSQL
4 4 (5.56%) Data Warehouse
4 4 (5.56%) SQL Server Integration Services
5 2 (2.78%) MySQL
5 2 (2.78%) RDBMS
6 1 (1.39%) Oracle Database
6 1 (1.39%) SQL Server 2012
Development Applications
1 19 (26.39%) Jenkins
2 18 (25.00%) Git (software)
3 12 (16.67%) Maven
4 10 (13.89%) Cucumber
5 9 (12.50%) JIRA
5 9 (12.50%) JUnit
6 7 (9.72%) Subversion
7 6 (8.33%) Mockito
8 4 (5.56%) Gradle
8 4 (5.56%) Selenium
8 4 (5.56%) TeamCity
9 3 (4.17%) Bitbucket
9 3 (4.17%) jMock
9 3 (4.17%) Postman
9 3 (4.17%) webpack
10 2 (2.78%) Ant
10 2 (2.78%) Gatling
10 2 (2.78%) NUnit
10 2 (2.78%) REST Assured
10 2 (2.78%) VisualSVN
General
1 26 (36.11%) Banking
2 19 (26.39%) Finance
3 6 (8.33%) Social Skills
4 5 (6.94%) Retail
5 3 (4.17%) Analytical Skills
6 2 (2.78%) Investment Banking
7 1 (1.39%) Front Office
7 1 (1.39%) Games
7 1 (1.39%) Manufacturing
7 1 (1.39%) Marketing
7 1 (1.39%) Public Sector
7 1 (1.39%) Retail Banking
7 1 (1.39%) Wearables
Job Titles
1 39 (54.17%) Developer
2 22 (30.56%) Java Developer
3 12 (16.67%) Architect
4 8 (11.11%) Java Architect
4 8 (11.11%) Solutions Architect
5 7 (9.72%) Java Solutions Architect
5 7 (9.72%) Senior Developer
6 6 (8.33%) Senior Java Developer
7 5 (6.94%) Full Stack Developer
7 5 (6.94%) Lead Developer
8 4 (5.56%) .NET Developer
8 4 (5.56%) AWS Developer
9 3 (4.17%) Android Developer
9 3 (4.17%) Android Engineer
9 3 (4.17%) Applications Engineer
9 3 (4.17%) Automation Tester
9 3 (4.17%) ETL Developer
9 3 (4.17%) Tester
10 2 (2.78%) Integration Developer
10 2 (2.78%) Java Android Developer
Libraries, Frameworks & Software Standards
1 34 (47.22%) Spring
2 16 (22.22%) AngularJS
3 14 (19.44%) Spring Boot
3 14 (19.44%) Web Services
4 12 (16.67%) HTML
4 12 (16.67%) SOAP
4 12 (16.67%) XML
5 11 (15.28%) JSON
5 11 (15.28%) Node.js
6 10 (13.89%) HTML5
7 9 (12.50%) Apache Camel
7 9 (12.50%) Hibernate
7 9 (12.50%) JMS
7 9 (12.50%) Middleware
7 9 (12.50%) React
7 9 (12.50%) RxJava
8 8 (11.11%) Ajax
8 8 (11.11%) JDBC
8 8 (11.11%) jQuery
8 8 (11.11%) Kafka
Miscellaneous
1 10 (13.89%) Enterprise Software
2 9 (12.50%) Clustering
3 8 (11.11%) Mobile App
4 3 (4.17%) Data Structures
5 2 (2.78%) Cloud Native
5 2 (2.78%) Management Information System
5 2 (2.78%) Replication
6 1 (1.39%) Fixed Income
6 1 (1.39%) Greenfield Project
6 1 (1.39%) Mobile Payment
6 1 (1.39%) Virtual Team
Operating Systems
1 12 (16.67%) Linux
2 7 (9.72%) Android
3 4 (5.56%) Unix
4 2 (2.78%) Solaris
5 1 (1.39%) Apple iOS
Processes & Methodologies
1 36 (50.00%) Agile Software Development
2 25 (34.72%) Microservices
3 19 (26.39%) Continuous Integration
4 18 (25.00%) TDD
5 16 (22.22%) OO
6 13 (18.06%) Scrum
7 12 (16.67%) Extreme Programming
7 12 (16.67%) High Availability
7 12 (16.67%) Performance Tuning
8 11 (15.28%) Multithreading
9 10 (13.89%) Continuous Improvement
9 10 (13.89%) Root Cause Analysis
9 10 (13.89%) Web Development
10 9 (12.50%) BDD
10 9 (12.50%) Open Source
10 9 (12.50%) Scalability Testing
11 8 (11.11%) DevOps
11 8 (11.11%) MVVM
11 8 (11.11%) Software Engineering
11 8 (11.11%) Test Automation
Programming Languages
1 44 (61.11%) Java
2 26 (36.11%) JavaScript
3 20 (27.78%) Java 8
4 8 (11.11%) SQL
5 6 (8.33%) Kotlin
6 5 (6.94%) ES6
6 5 (6.94%) Python
7 4 (5.56%) C#
7 4 (5.56%) Perl
7 4 (5.56%) TypeScript
8 2 (2.78%) Bash Shell
8 2 (2.78%) Go
8 2 (2.78%) Groovy
8 2 (2.78%) PowerShell
8 2 (2.78%) Ruby
8 2 (2.78%) Scala
8 2 (2.78%) Shell Script
9 1 (1.39%) Apex Code
9 1 (1.39%) C++
9 1 (1.39%) XPath
Qualifications
1 5 (6.94%) SC Cleared
1 5 (6.94%) Security Cleared
2 1 (1.39%) ISEB
2 1 (1.39%) ISTQB
Quality Assurance & Compliance
1 5 (6.94%) QA
2 1 (1.39%) Actionable Recommendations
System Software
1 9 (12.50%) Docker
2 2 (2.78%) Active Directory
2 2 (2.78%) NFS
2 2 (2.78%) Veritas File System
2 2 (2.78%) Veritas Volume Manager
2 2 (2.78%) VMware ESXi
2 2 (2.78%) VMware Infrastructure
3 1 (1.39%) Apache ZooKeeper
Systems Management
1 12 (16.67%) Kubernetes
2 6 (8.33%) Terraform
3 2 (2.78%) Ansible
3 2 (2.78%) Control-M
3 2 (2.78%) Docker Swarm
3 2 (2.78%) EMC NetWorker
3 2 (2.78%) Failover Clustering
3 2 (2.78%) Netcool
3 2 (2.78%) QRadar
3 2 (2.78%) Red Hat Satellite
3 2 (2.78%) Tivoli
3 2 (2.78%) Tivoli Storage Manager
4 1 (1.39%) Single Sign-On
Vendors
1 17 (23.61%) Oracle
2 3 (4.17%) Google
2 3 (4.17%) Microsoft
2 3 (4.17%) TIBCO
3 2 (2.78%) BMC
3 2 (2.78%) CyberArk
3 2 (2.78%) Databricks
3 2 (2.78%) EMC
3 2 (2.78%) IBM
3 2 (2.78%) Micro Focus
3 2 (2.78%) Qualys
3 2 (2.78%) Red Hat
3 2 (2.78%) RedGate
3 2 (2.78%) Remedy
3 2 (2.78%) SaltStack
3 2 (2.78%) Splunk
3 2 (2.78%) VMware
4 1 (1.39%) Mavenir
4 1 (1.39%) Salesforce Marketing Cloud
4 1 (1.39%) ServiceNow