Period
to 21 October 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 21 October 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
21 Oct 2021
Same period 2020 Same period 2019
Rank 78 47 70
Rank change year-on-year -31 +23 -25
Contract jobs citing REST 114 80 200
As % of all contract jobs advertised in the City of London 2.93% 4.42% 3.35%
As % of the Libraries, Frameworks & Software Standards category 8.75% 14.93% 9.38%
Number of daily rates quoted 93 66 158
10th Percentile £366 £425 £363
25th Percentile £463 £513 £463
Median daily rate (50th Percentile) £625 £592 £550
Median % change year-on-year +5.53% +7.68% +2.80%
75th Percentile £675 £675 £625
90th Percentile £775 £806 £675
Central London median daily rate £600 £580 £525
% change year-on-year +3.49% +10.43% -
Number of hourly rates quoted 2 0 1
10th Percentile £29.73 " "
25th Percentile £36.44 " £40.87
Median hourly rate £47.75 - £41.75
75th Percentile £58.94 " £42.62
90th Percentile £65.58 " "
Central London median hourly rate £47.75 - £41.75

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 1,303 536 2,133
As % of all contract IT jobs advertised in the City of London 33.46% 29.65% 35.76%
Number of daily rates quoted 1,003 427 1,744
10th Percentile £413 £363 £406
25th Percentile £488 £425 £468
Median daily rate (50th Percentile) £600 £525 £538
Median % change year-on-year +14.29% -2.33% +2.38%
75th Percentile £675 £613 £620
90th Percentile £750 £688 £686
Central London median daily rate £588 £538 £525
% change year-on-year +9.40% +2.38% -
Number of hourly rates quoted 8 4 6
10th Percentile £18.78 £26.28 £31.06
25th Percentile £24.25 £30.44 £41.23
Median hourly rate £35.75 £35.50 £46.85
Median % change year-on-year +0.70% -24.22% +112.94%
75th Percentile £45.25 £38.69 £53.91
90th Percentile £68.43 £39.48 £60.25
Central London median hourly rate £35.00 £35.50 £46.85
% change year-on-year -1.41% -24.22% +112.94%

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 21 October 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
Hourly Rate Histogram in the City of London

Hourly rate distribution of jobs citing REST in the City of London over the 6 months to 21 October 2021.

Hourly rate histogram for REST in the City of London

For the 6 months to 21 October 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 72 (63.16%) Java
2 60 (52.63%) Agile Software Development
3 47 (41.23%) AWS
4 39 (34.21%) Spring
5 36 (31.58%) JavaScript
6 35 (30.70%) Microservices
7 34 (29.82%) DevOps
8 31 (27.19%) SQL
8 31 (27.19%) Maven
9 27 (23.68%) Cucumber
10 25 (21.93%) NoSQL
11 24 (21.05%) Finance
12 23 (20.18%) Kubernetes
13 22 (19.30%) Spring Boot
13 22 (19.30%) Kafka
13 22 (19.30%) Terraform
13 22 (19.30%) SOAP
13 22 (19.30%) Software Engineering
14 21 (18.42%) TDD
15 19 (16.67%) HTTP
15 19 (16.67%) Vert.x
16 18 (15.79%) Web Services
17 17 (14.91%) SQL Server
17 17 (14.91%) HTML
17 17 (14.91%) Scrum
17 17 (14.91%) Banking
17 17 (14.91%) Continuous Integration
18 16 (14.04%) Git (software)
18 16 (14.04%) CSS
18 16 (14.04%) Python

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 8 (7.02%) Confluence
2 5 (4.39%) Moodle
3 4 (3.51%) SharePoint
4 3 (2.63%) Oracle Coherence
5 2 (1.75%) IIS
6 1 (0.88%) Apache
6 1 (0.88%) Apache Spark
6 1 (0.88%) Appian
6 1 (0.88%) CMS
6 1 (0.88%) Elasticsearch
6 1 (0.88%) nginx
6 1 (0.88%) Oracle SOA Suite
6 1 (0.88%) Sitecore CMS
6 1 (0.88%) WebSphere
Applications
1 1 (0.88%) Microsoft Excel
1 1 (0.88%) Spreadsheet
Business Applications
1 1 (0.88%) Salesforce.com CRM
Cloud Services
1 47 (41.23%) AWS
2 13 (11.40%) Azure
3 11 (9.65%) Serverless
4 9 (7.89%) GitHub
5 8 (7.02%) AWS Lambda
6 6 (5.26%) AWS CloudFormation
7 5 (4.39%) GCP
7 5 (4.39%) SaaS
8 4 (3.51%) IaaS
8 4 (3.51%) Snowflake
9 3 (2.63%) Amazon EC2
9 3 (2.63%) PaaS
10 2 (1.75%) Amazon ECS
10 2 (1.75%) Amazon SQS
10 2 (1.75%) Azure Data Factory
10 2 (1.75%) Cloud Computing
10 2 (1.75%) Slack
10 2 (1.75%) SuccessFactors
11 1 (0.88%) iPaaS
11 1 (0.88%) Microsoft 365
Communications & Networking
1 19 (16.67%) HTTP
2 11 (9.65%) HTTPS
3 4 (3.51%) TCP/IP
4 3 (2.63%) DNS
4 3 (2.63%) Kerberos
5 2 (1.75%) Internet
6 1 (0.88%) Radio Access Network
6 1 (0.88%) SIGTRAN
6 1 (0.88%) SMPP
6 1 (0.88%) SMS
6 1 (0.88%) SNMP
6 1 (0.88%) SS7
6 1 (0.88%) SSH
6 1 (0.88%) Wireshark
Database & Business Intelligence
1 25 (21.93%) NoSQL
2 17 (14.91%) SQL Server
3 10 (8.77%) MongoDB
4 7 (6.14%) MySQL
5 4 (3.51%) Relational Database
6 3 (2.63%) Amazon DynamoDB
6 3 (2.63%) Amazon RDS
6 3 (2.63%) Apache Ignite
6 3 (2.63%) Big Data
6 3 (2.63%) Hazelcast
6 3 (2.63%) Infinispan
6 3 (2.63%) SQL Server Integration Services
7 2 (1.75%) Data Warehouse
8 1 (0.88%) Oracle Database
8 1 (0.88%) PostgreSQL
8 1 (0.88%) Power BI
8 1 (0.88%) SQL Server 2012
8 1 (0.88%) SQL Server 2014
8 1 (0.88%) SQL Server 2016
8 1 (0.88%) SQL Server 2019
Development Applications
1 31 (27.19%) Maven
2 27 (23.68%) Cucumber
3 16 (14.04%) Git (software)
4 11 (9.65%) JIRA
5 10 (8.77%) Jenkins
6 7 (6.14%) Postman
6 7 (6.14%) Selenium
7 6 (5.26%) TeamCity
8 5 (4.39%) Subversion
9 4 (3.51%) JUnit
10 2 (1.75%) Bitbucket
10 2 (1.75%) jMock
10 2 (1.75%) Mockito
10 2 (1.75%) NUnit
10 2 (1.75%) Sonatype Nexus
10 2 (1.75%) WebDriver
11 1 (0.88%) Artifactory
11 1 (0.88%) SoapUI
11 1 (0.88%) SpecFlow
11 1 (0.88%) VisualSVN
General
1 24 (21.05%) Finance
2 17 (14.91%) Banking
3 6 (5.26%) International Banking
3 6 (5.26%) Retail
4 5 (4.39%) Investment Banking
5 4 (3.51%) Analytical Skills
5 4 (3.51%) Social Skills
6 3 (2.63%) Marketing
7 2 (1.75%) Advertising
7 2 (1.75%) Front Office
7 2 (1.75%) Legal
7 2 (1.75%) Retail Banking
8 1 (0.88%) Financial Institution
8 1 (0.88%) Games
8 1 (0.88%) Telecoms
Job Titles
1 51 (44.74%) Developer
2 31 (27.19%) Java Engineer
3 25 (21.93%) Java Developer
4 14 (12.28%) Software Engineer
5 13 (11.40%) Senior Java Engineer
6 11 (9.65%) Java Software Engineer
6 11 (9.65%) Senior Java Software Engineer
6 11 (9.65%) Senior Software Engineer
7 9 (7.89%) DevOps Engineer
8 5 (4.39%) Moodle Developer
9 4 (3.51%) Administrator
9 4 (3.51%) AWS Developer
9 4 (3.51%) Full Stack Developer
9 4 (3.51%) Linux Administrator
10 3 (2.63%) Architect
10 3 (2.63%) PHP Developer
10 3 (2.63%) Python Developer
10 3 (2.63%) Senior Developer
10 3 (2.63%) Senior Java Developer
10 3 (2.63%) UI Developer
Libraries, Frameworks & Software Standards
1 39 (34.21%) Spring
2 22 (19.30%) Kafka
2 22 (19.30%) SOAP
2 22 (19.30%) Spring Boot
3 19 (16.67%) Vert.x
4 18 (15.79%) Web Services
5 17 (14.91%) HTML
6 16 (14.04%) CSS
7 14 (12.28%) React
8 12 (10.53%) .NET
8 12 (10.53%) Node.js
9 10 (8.77%) AngularJS
10 9 (7.89%) JSON
11 7 (6.14%) RESTful
12 5 (4.39%) .NET Framework
12 5 (4.39%) JMS
12 5 (4.39%) Redux
12 5 (4.39%) XML
13 4 (3.51%) Flask
13 4 (3.51%) LDAP
Miscellaneous
1 5 (4.39%) e-Learning
1 5 (4.39%) Enterprise Software
1 5 (4.39%) SCORM
2 4 (3.51%) Data Structures
3 3 (2.63%) Clustering
3 3 (2.63%) Mobile App
3 3 (2.63%) Reference Data
3 3 (2.63%) Replication
4 2 (1.75%) Cloud Native
4 2 (1.75%) Learning Management System
4 2 (1.75%) Legacy Systems
4 2 (1.75%) Management Information System
4 2 (1.75%) Social Media
5 1 (0.88%) Fixed Income
5 1 (0.88%) Market Risk
5 1 (0.88%) Public Cloud
5 1 (0.88%) User Experience
Operating Systems
1 7 (6.14%) Linux
2 5 (4.39%) Unix
3 4 (3.51%) Solaris
4 3 (2.63%) Red Hat Enterprise Linux
4 3 (2.63%) Windows
5 2 (1.75%) Windows Server
5 2 (1.75%) Windows Server 2008
6 1 (0.88%) Android
6 1 (0.88%) Windows Server 2012
6 1 (0.88%) Windows Server 2016
6 1 (0.88%) Windows Server 2019
Processes & Methodologies
1 60 (52.63%) Agile Software Development
2 35 (30.70%) Microservices
3 34 (29.82%) DevOps
4 22 (19.30%) Software Engineering
5 21 (18.42%) TDD
6 17 (14.91%) Continuous Integration
6 17 (14.91%) Scrum
7 14 (12.28%) OO
8 13 (11.40%) Technology Roadmap
9 12 (10.53%) Test Automation
10 11 (9.65%) Full Stack Development
11 10 (8.77%) BDD
12 9 (7.89%) API Testing
13 8 (7.02%) API Design
14 7 (6.14%) High Availability
14 7 (6.14%) OOP
14 7 (6.14%) UML
15 6 (5.26%) Auto-Scaling
15 6 (5.26%) Unit Testing
15 6 (5.26%) Web Development
Programming Languages
1 72 (63.16%) Java
2 36 (31.58%) JavaScript
3 31 (27.19%) SQL
4 16 (14.04%) Python
5 11 (9.65%) C#
6 7 (6.14%) TypeScript
7 5 (4.39%) Java 8
7 5 (4.39%) PHP
8 4 (3.51%) PowerShell
9 2 (1.75%) Bash Shell
9 2 (1.75%) ES6
9 2 (1.75%) Perl
9 2 (1.75%) Shell Script
9 2 (1.75%) VBA
10 1 (0.88%) C
10 1 (0.88%) Formula Language
10 1 (0.88%) Kotlin
10 1 (0.88%) R
10 1 (0.88%) SOQL
10 1 (0.88%) SOSL
Qualifications
1 4 (3.51%) Degree
2 3 (2.63%) SC Cleared
2 3 (2.63%) Security Cleared
3 1 (0.88%) Computer Science Degree
3 1 (0.88%) Microsoft Certification
3 1 (0.88%) Numerate Degree
Quality Assurance & Compliance
1 10 (8.77%) QA
2 1 (0.88%) GDPR
2 1 (0.88%) GRC
2 1 (0.88%) Sarbanes-Oxley
System Software
1 16 (14.04%) Docker
2 4 (3.51%) Active Directory
3 3 (2.63%) VMware ESXi
3 3 (2.63%) VMware Infrastructure
4 2 (1.75%) NFS
4 2 (1.75%) Veritas File System
4 2 (1.75%) Veritas Volume Manager
5 1 (0.88%) Apache ZooKeeper
Systems Management
1 23 (20.18%) Kubernetes
2 22 (19.30%) Terraform
3 6 (5.26%) Ansible
4 4 (3.51%) QRadar
4 4 (3.51%) Red Hat Satellite
5 3 (2.63%) Control-M
5 3 (2.63%) EMC NetWorker
5 3 (2.63%) Netcool
5 3 (2.63%) Tivoli
5 3 (2.63%) Tivoli Storage Manager
6 2 (1.75%) Failover Clustering
7 1 (0.88%) Forefront Identity Manager
7 1 (0.88%) Grafana
7 1 (0.88%) Kibana
7 1 (0.88%) Opscode Chef
7 1 (0.88%) SCOrch
Vendors
1 15 (13.16%) Oracle
2 11 (9.65%) Confluent
3 8 (7.02%) Microsoft
4 5 (4.39%) Splunk
5 4 (3.51%) CyberArk
5 4 (3.51%) Qualys
5 4 (3.51%) Red Hat
6 3 (2.63%) BMC
6 3 (2.63%) EMC
6 3 (2.63%) IBM
6 3 (2.63%) VMware
7 2 (1.75%) SaltStack
7 2 (1.75%) SAP
8 1 (0.88%) Aveksa
8 1 (0.88%) Concur
8 1 (0.88%) iManage
8 1 (0.88%) Mavenir
8 1 (0.88%) RedGate
8 1 (0.88%) ServiceNow
8 1 (0.88%) Veracode