Period
to 3 March 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 3 March 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
3 Mar 2021
Same period 2020 Same period 2019
Rank 56 67 48
Rank change year-on-year +11 -19 -9
Contract jobs citing REST 81 156 319
As % of all contract jobs advertised in the City of London 3.58% 3.39% 4.74%
As % of the Libraries, Frameworks & Software Standards category 10.96% 9.98% 12.36%
Number of daily rates quoted 80 124 254
Median daily rate £592 £513 £533
Median daily rate % change year-on-year +15.56% -3.76% +6.50%
10th Percentile £413 £375 £387
90th Percentile £700 £675 £675
Central London median daily rate £580 £513 £538
% change year-on-year +13.12% -4.65% +7.50%
Number of hourly rates quoted 0 1 0
Median hourly rate - £57.50 -
Central London median hourly rate - £57.50 -

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 739 1,563 2,581
As % of all contract IT jobs advertised in the City of London 32.67% 33.93% 38.36%
Number of daily rates quoted 564 1,282 2,123
Median daily rate £550 £525 £525
Median daily rate % change year-on-year +4.76% - +0.96%
10th Percentile £363 £386 £408
90th Percentile £688 £675 £675
Central London median daily rate £550 £525 £525
% change year-on-year +4.76% - +5.00%
Number of hourly rates quoted 1 5 3
Median hourly rate £20.00 £55.00 £19.00
Median hourly rate % change year-on-year -63.64% +189.47% -11.63%
10th Percentile £17.50 £24.50 £14.90
90th Percentile £22.50 £63.50 £49.10
Median hourly rate £41.25 £56.25 £37.50
% change year-on-year -26.67% +50.00% +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 3 March 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

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 3 March 2021. 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 +7 1 £600 -
REST
Central London

For the 6 months to 3 March 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 48 (59.26%) JavaScript
2 46 (56.79%) Java
3 41 (50.62%) Agile Software Development
4 37 (45.68%) Banking
5 35 (43.21%) Microservices
6 33 (40.74%) Spring
7 28 (34.57%) Continuous Integration
7 28 (34.57%) Finance
8 27 (33.33%) Jenkins
9 26 (32.10%) HTML
10 24 (29.63%) OO
10 24 (29.63%) AngularJS
11 20 (24.69%) Java 8
11 20 (24.69%) Multithreading
11 20 (24.69%) Git (software)
11 20 (24.69%) HTML5
12 18 (22.22%) Azure
12 18 (22.22%) AWS
12 18 (22.22%) Relational Database
13 17 (20.99%) Linux
14 16 (19.75%) CSS
14 16 (19.75%) Oracle
14 16 (19.75%) Python
14 16 (19.75%) TDD
14 16 (19.75%) Enterprise Software
15 15 (18.52%) Scrum
15 15 (18.52%) Web Services
15 15 (18.52%) Web Development
16 14 (17.28%) Scalability Testing
16 14 (17.28%) jQuery

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 12 (14.81%) Red Hat Fuse
2 10 (12.35%) Apache
3 5 (6.17%) Elasticsearch
4 3 (3.70%) Camunda
5 2 (2.47%) IIS
5 2 (2.47%) Mule
5 2 (2.47%) nginx
5 2 (2.47%) Oracle Coherence
6 1 (1.23%) Anypoint
6 1 (1.23%) Cloud Foundry
6 1 (1.23%) Confluence
6 1 (1.23%) JBoss
Business Applications
1 1 (1.23%) Dynamics AX
1 1 (1.23%) Dynamics CRM
1 1 (1.23%) Dynamics NAV
1 1 (1.23%) Elite 3E
1 1 (1.23%) Magento
1 1 (1.23%) Payment Gateway
Cloud Services
1 18 (22.22%) AWS
1 18 (22.22%) Azure
2 7 (8.64%) GitHub
2 7 (8.64%) PaaS
2 7 (8.64%) SaaS
3 6 (7.41%) AWS CloudFormation
4 5 (6.17%) Amazon ECS
5 4 (4.94%) Amazon ElastiCache
5 4 (4.94%) Amazon Kinesis
6 3 (3.70%) Dynamics 365
6 3 (3.70%) Power Platform
7 2 (2.47%) Amazon S3
7 2 (2.47%) Apigee
7 2 (2.47%) Azure Data Factory
7 2 (2.47%) Azure Stack
7 2 (2.47%) GCP
7 2 (2.47%) npm
7 2 (2.47%) OpenShift
7 2 (2.47%) PowerApps
7 2 (2.47%) Serverless
Communications & Networking
1 4 (4.94%) HTTP
2 3 (3.70%) DNS
2 3 (3.70%) SSL
2 3 (3.70%) TCP/IP
3 2 (2.47%) FTP
4 1 (1.23%) BIG-IP
4 1 (1.23%) Cisco ASA
4 1 (1.23%) Cisco IOS
4 1 (1.23%) F5 BIG-IP GTM
4 1 (1.23%) F5 BIG-IP LTM
4 1 (1.23%) Firewall
4 1 (1.23%) H.323
4 1 (1.23%) MGCP
4 1 (1.23%) Network Security
4 1 (1.23%) NX-OS
4 1 (1.23%) Sourcefire
4 1 (1.23%) Unified Communications
4 1 (1.23%) VoIP
4 1 (1.23%) Wireless
Database & Business Intelligence
1 18 (22.22%) Relational Database
2 14 (17.28%) SQL Server
3 7 (8.64%) PostgreSQL
3 7 (8.64%) RDBMS
4 5 (6.17%) MongoDB
5 4 (4.94%) NoSQL
6 3 (3.70%) Data Warehouse
6 3 (3.70%) MySQL
7 2 (2.47%) Oracle Database
7 2 (2.47%) Oracle Database 11g
7 2 (2.47%) SQL Server Integration Services
8 1 (1.23%) Amazon DynamoDB
8 1 (1.23%) Apache Cassandra
8 1 (1.23%) Flink
8 1 (1.23%) Power BI
8 1 (1.23%) SQL Server 2012
Development Applications
1 27 (33.33%) Jenkins
2 20 (24.69%) Git (software)
3 8 (9.88%) JUnit
4 6 (7.41%) Subversion
4 6 (7.41%) TeamCity
4 6 (7.41%) webpack
5 5 (6.17%) JIRA
5 5 (6.17%) Maven
5 5 (6.17%) Mockito
6 4 (4.94%) Cucumber
6 4 (4.94%) Gradle
6 4 (4.94%) MSBuild
6 4 (4.94%) Postman
7 3 (3.70%) Jasmine
8 2 (2.47%) Artifactory
8 2 (2.47%) Geb
8 2 (2.47%) Grunt
8 2 (2.47%) gulp
8 2 (2.47%) Liquibase
8 2 (2.47%) VisualSVN
General
1 37 (45.68%) Banking
2 28 (34.57%) Finance
3 6 (7.41%) Back Office
4 5 (6.17%) Investment Banking
5 3 (3.70%) Retail
6 2 (2.47%) Front Office
7 1 (1.23%) Manufacturing
7 1 (1.23%) Public Sector
7 1 (1.23%) Retail Banking
7 1 (1.23%) Telecoms
Job Titles
1 48 (59.26%) Developer
2 18 (22.22%) Java Developer
3 12 (14.81%) Architect
4 9 (11.11%) Full Stack Developer
5 8 (9.88%) Solutions Architect
6 7 (8.64%) .NET Developer
6 7 (8.64%) Angular Developer
6 7 (8.64%) Java Architect
6 7 (8.64%) Java Solutions Architect
7 6 (7.41%) Senior Developer
8 5 (6.17%) C# .NET Developer
8 5 (6.17%) C# Developer
8 5 (6.17%) SQL Developer
9 4 (4.94%) Applications Developer
9 4 (4.94%) JavaScript Developer
9 4 (4.94%) Software Developer
9 4 (4.94%) SQL Server Developer
10 3 (3.70%) Applications Engineer
10 3 (3.70%) Java Applications Developer
10 3 (3.70%) Software Engineer
Libraries, Frameworks & Software Standards
1 33 (40.74%) Spring
2 26 (32.10%) HTML
3 24 (29.63%) AngularJS
4 20 (24.69%) HTML5
5 16 (19.75%) CSS
6 15 (18.52%) Web Services
7 14 (17.28%) jQuery
7 14 (17.28%) Node.js
7 14 (17.28%) React
7 14 (17.28%) Spring Boot
8 13 (16.05%) JMS
9 12 (14.81%) .NET
9 12 (14.81%) Apache Camel
9 12 (14.81%) Redux
9 12 (14.81%) XML
10 11 (13.58%) Ajax
10 11 (13.58%) Hibernate
10 11 (13.58%) JDBC
10 11 (13.58%) Kafka
11 10 (12.35%) JSF
Miscellaneous
1 16 (19.75%) Enterprise Software
2 14 (17.28%) Clustering
3 5 (6.17%) Analytical Skills
4 4 (4.94%) Data Structures
4 4 (4.94%) User Experience
5 3 (3.70%) Fixed Income
5 3 (3.70%) Mobile App
6 2 (2.47%) Cloud Native
6 2 (2.47%) Greenfield Project
6 2 (2.47%) Management Information System
7 1 (1.23%) Algorithms
7 1 (1.23%) Foreign Exchange (FX)
7 1 (1.23%) Linux Command Line
7 1 (1.23%) Private Cloud
7 1 (1.23%) Virtual Team
Operating Systems
1 17 (20.99%) Linux
2 5 (6.17%) Android
3 2 (2.47%) Unix
4 1 (1.23%) Apple iOS
Processes & Methodologies
1 41 (50.62%) Agile Software Development
2 35 (43.21%) Microservices
3 28 (34.57%) Continuous Integration
4 24 (29.63%) OO
5 20 (24.69%) Multithreading
6 16 (19.75%) TDD
7 15 (18.52%) Scrum
7 15 (18.52%) Web Development
8 14 (17.28%) High Availability
8 14 (17.28%) Performance Tuning
8 14 (17.28%) Scalability Testing
9 13 (16.05%) Software Engineering
10 12 (14.81%) Extreme Programming
11 11 (13.58%) Open Source
11 11 (13.58%) Test Automation
12 10 (12.35%) SDLC
13 9 (11.11%) Unit Testing
14 8 (9.88%) BDD
14 8 (9.88%) Continuous Improvement
14 8 (9.88%) DevOps
Programming Languages
1 48 (59.26%) JavaScript
2 46 (56.79%) Java
3 20 (24.69%) Java 8
4 16 (19.75%) Python
5 10 (12.35%) C#
6 9 (11.11%) SQL
7 8 (9.88%) TypeScript
8 5 (6.17%) ES6
8 5 (6.17%) Kotlin
9 3 (3.70%) Go
9 3 (3.70%) Ruby
9 3 (3.70%) Scala
10 2 (2.47%) C++
10 2 (2.47%) Groovy
10 2 (2.47%) Perl
10 2 (2.47%) PL/SQL
10 2 (2.47%) PowerShell
11 1 (1.23%) C
11 1 (1.23%) PHP
11 1 (1.23%) VB.NET
Qualifications
1 3 (3.70%) SC Cleared
1 3 (3.70%) Security Cleared
2 1 (1.23%) AWS Certification
2 1 (1.23%) CCNA
2 1 (1.23%) CCNP
2 1 (1.23%) Cisco Certification
2 1 (1.23%) Computer Science Degree
2 1 (1.23%) Degree
Quality Assurance & Compliance
1 3 (3.70%) MiFID
1 3 (3.70%) QA
2 1 (1.23%) Actionable Recommendations
System Software
1 12 (14.81%) Docker
2 1 (1.23%) VMware NSX
Systems Management
1 10 (12.35%) Kubernetes
2 3 (3.70%) Terraform
3 2 (2.47%) Docker Swarm
4 1 (1.23%) Ansible
4 1 (1.23%) Cisco CUCM
4 1 (1.23%) Cisco Prime
4 1 (1.23%) ITRS Geneos
4 1 (1.23%) Opscode Chef
4 1 (1.23%) Puppet
4 1 (1.23%) Rundeck
4 1 (1.23%) Salt
4 1 (1.23%) Single Sign-On
4 1 (1.23%) SolarWinds Orion
Vendors
1 16 (19.75%) Oracle
2 7 (8.64%) Microsoft
3 2 (2.47%) Databricks
3 2 (2.47%) Micro Focus
3 2 (2.47%) RedGate
3 2 (2.47%) Remedy
3 2 (2.47%) Salesforce.com
3 2 (2.47%) ServiceNow
3 2 (2.47%) Splunk
3 2 (2.47%) TIBCO
4 1 (1.23%) Adobe
4 1 (1.23%) Atlassian
4 1 (1.23%) DevExpress
4 1 (1.23%) ExtraHop
4 1 (1.23%) F5
4 1 (1.23%) Google
4 1 (1.23%) Palo Alto
4 1 (1.23%) SolarWinds
4 1 (1.23%) Telerik
4 1 (1.23%) VMware