Period
to 20 October 2021

The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for RESTful skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited RESTful over the 6 months to 20 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.

RESTful
Central London > City of London
6 months to
20 Oct 2021
Same period 2020 Same period 2019
Rank 64 73 81
Rank change year-on-year +9 +8 -7
Contract jobs citing RESTful 127 44 179
As % of all contract jobs advertised in the City of London 3.27% 2.45% 3.02%
As % of the Libraries, Frameworks & Software Standards category 9.73% 8.22% 8.44%
Number of daily rates quoted 100 36 138
10th Percentile £446 £438 £425
25th Percentile £513 £475 £477
Median daily rate (50th Percentile) £575 £588 £556
Median % change year-on-year -2.13% +5.62% +5.95%
75th Percentile £638 £641 £625
90th Percentile £719 £688 £725
Central London median daily rate £575 £575 £550
% change year-on-year - +4.55% +4.76%
Number of hourly rates quoted 2 0 2
10th Percentile " " £49.82
25th Percentile £35.25 " £51.79
Median hourly rate £36.50 - £57.67
75th Percentile £37.75 " £62.62
90th Percentile " " £64.05
Central London median hourly rate £36.50 - £57.67

RESTful 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 1,305 535 2,120
As % of all contract IT jobs advertised in the City of London 33.56% 29.74% 35.76%
Number of daily rates quoted 1,006 426 1,732
10th Percentile £413 £363 £406
25th Percentile £488 £425 £463
Median daily rate (50th Percentile) £600 £525 £535
Median % change year-on-year +14.29% -1.91% +1.95%
75th Percentile £675 £613 £618
90th Percentile £750 £688 £688
Central London median daily rate £589 £534 £525
% change year-on-year +10.35% +1.67% -
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%

RESTful
Job Vacancy Trend in the City of London

Job postings citing RESTful as a proportion of all IT jobs advertised in the City of London.

Job vacancy trend for RESTful in the City of London

RESTful
Contractor Daily Rate Trend in the City of London

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

Daily rate trend for RESTful in the City of London

RESTful
Daily Rate Histogram in the City of London

Daily rate distribution for jobs citing RESTful in the City of London over the 6 months to 20 October 2021.

Daily rate histogram for RESTful in the City of London

RESTful
Contractor Hourly Rate Trend in the City of London

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

Hourly rate trend for RESTful in the City of London

For the 6 months to 20 October 2021, IT contractor jobs citing RESTful 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 RESTful.

1 62 (48.82%) Microservices
2 59 (46.46%) Agile Software Development
3 49 (38.58%) Java
4 47 (37.01%) TDD
5 44 (34.65%) Spring
6 36 (28.35%) Azure
7 32 (25.20%) Git (software)
8 29 (22.83%) Finance
9 27 (21.26%) JavaScript
10 25 (19.69%) HTML
10 25 (19.69%) SQL
10 25 (19.69%) Scrum
11 24 (18.90%) CSS
11 24 (18.90%) Web Services
11 24 (18.90%) Jenkins
12 23 (18.11%) Social Skills
12 23 (18.11%) Test Automation
12 23 (18.11%) Continuous Integration
13 21 (16.54%) BDD
13 21 (16.54%) DevOps
13 21 (16.54%) Kotlin
14 20 (15.75%) GraphQL
15 19 (14.96%) Greenfield Project
15 19 (14.96%) AWS
16 18 (14.17%) Analytical Skills
17 17 (13.39%) Spring Boot
17 17 (13.39%) Problem-Solving
17 17 (13.39%) Node.js
17 17 (13.39%) Oracle
17 17 (13.39%) Software Engineering

RESTful
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 4 (3.15%) CMS
1 4 (3.15%) Oracle SOA Suite
2 2 (1.57%) Confluence
3 1 (0.79%) Apache
3 1 (0.79%) Apache Spark
3 1 (0.79%) Mule
3 1 (0.79%) nginx
Business Applications
1 1 (0.79%) Magento
1 1 (0.79%) Payment Gateway
Cloud Services
1 36 (28.35%) Azure
2 19 (14.96%) AWS
3 10 (7.87%) Serverless
4 6 (4.72%) Apigee
4 6 (4.72%) GitHub
5 5 (3.94%) PaaS
6 4 (3.15%) Amazon ECS
6 4 (3.15%) Amazon EKS
6 4 (3.15%) Amazon S3
6 4 (3.15%) Amazon SQS
6 4 (3.15%) AWS Lambda
6 4 (3.15%) iPaaS
7 2 (1.57%) Amazon CloudWatch
7 2 (1.57%) Amazon EC2
7 2 (1.57%) Amazon EMR
7 2 (1.57%) Amazon Kinesis
7 2 (1.57%) Route 53
8 1 (0.79%) Datadog
8 1 (0.79%) OpenShift
8 1 (0.79%) SaaS
Communications & Networking
1 5 (3.94%) HTTP
2 1 (0.79%) Internet
2 1 (0.79%) Kerberos
2 1 (0.79%) VoIP
Database & Business Intelligence
1 16 (12.60%) NoSQL
2 14 (11.02%) MongoDB
3 11 (8.66%) SQL Server
4 9 (7.09%) MySQL
5 6 (4.72%) Relational Database
6 5 (3.94%) PostgreSQL
7 4 (3.15%) Hadoop
7 4 (3.15%) Oracle Database
8 3 (2.36%) Data Lake
8 3 (2.36%) RDBMS
9 2 (1.57%) Amazon Aurora
9 2 (1.57%) Amazon DynamoDB
9 2 (1.57%) Big Data
9 2 (1.57%) Data Warehouse
9 2 (1.57%) Parquet
9 2 (1.57%) Redis
10 1 (0.79%) Hazelcast
10 1 (0.79%) HDInsight
10 1 (0.79%) Lumira
10 1 (0.79%) Power BI
Development Applications
1 32 (25.20%) Git (software)
2 24 (18.90%) Jenkins
3 11 (8.66%) Cucumber
3 11 (8.66%) Maven
3 11 (8.66%) Selenium
4 10 (7.87%) Jasmine
5 9 (7.09%) Karma Test Runner
6 8 (6.30%) JUnit
7 7 (5.51%) Postman
8 6 (4.72%) JSUnit
8 6 (4.72%) Protractor
8 6 (4.72%) SpecFlow
9 5 (3.94%) Gradle
9 5 (3.94%) JIRA
9 5 (3.94%) JMeter
9 5 (3.94%) Mockito
10 4 (3.15%) LoadRunner
11 3 (2.36%) Cypress.io
11 3 (2.36%) Subversion
11 3 (2.36%) WebDriver
General
1 29 (22.83%) Finance
2 23 (18.11%) Social Skills
3 18 (14.17%) Analytical Skills
4 15 (11.81%) Games
5 13 (10.24%) Banking
6 4 (3.15%) Front Office
7 3 (2.36%) Documentation Skills
7 3 (2.36%) Financial Institution
7 3 (2.36%) Investment Banking
7 3 (2.36%) Legal
7 3 (2.36%) Presentation Skills
7 3 (2.36%) Retail
8 2 (1.57%) Advertising
8 2 (1.57%) Influencing Skills
9 1 (0.79%) Military
9 1 (0.79%) Police
9 1 (0.79%) Telecoms
Job Titles
1 84 (66.14%) Developer
2 27 (21.26%) Java Developer
3 16 (12.60%) Architect
4 11 (8.66%) Senior Developer
5 9 (7.09%) React Developer
5 9 (7.09%) Solutions Architect
6 8 (6.30%) Integration Architect
7 7 (5.51%) Python Developer
8 6 (4.72%) .NET Developer
8 6 (4.72%) Android Developer
8 6 (4.72%) iOS Developer
8 6 (4.72%) Software Engineer
8 6 (4.72%) Tester
9 5 (3.94%) Azure Architect
9 5 (3.94%) Full Stack Developer
9 5 (3.94%) Node.js Developer
10 4 (3.15%) Automation Tester
10 4 (3.15%) Development Engineer
10 4 (3.15%) Enterprise Solutions Architect
10 4 (3.15%) Java Engineer
Libraries, Frameworks & Software Standards
1 44 (34.65%) Spring
2 25 (19.69%) HTML
3 24 (18.90%) CSS
3 24 (18.90%) Web Services
4 20 (15.75%) GraphQL
5 17 (13.39%) Node.js
5 17 (13.39%) Spring Boot
6 16 (12.60%) AngularJS
6 16 (12.60%) React
7 14 (11.02%) HTML5
8 13 (10.24%) .NET
9 12 (9.45%) Kafka
10 11 (8.66%) JSON
11 9 (7.09%) Sass
12 8 (6.30%) CSS3
12 8 (6.30%) Gherkin
13 7 (5.51%) JMS
13 7 (5.51%) jQuery
13 7 (5.51%) Redux
13 7 (5.51%) REST
Miscellaneous
1 19 (14.96%) Greenfield Project
2 6 (4.72%) Data Structures
2 6 (4.72%) Mobile App
2 6 (4.72%) User Experience
3 4 (3.15%) Public Cloud
4 3 (2.36%) Algorithms
4 3 (2.36%) Hedge funds
4 3 (2.36%) Self-Motivation
5 2 (1.57%) Derivative
5 2 (1.57%) Enterprise Software
5 2 (1.57%) Fixed Income
5 2 (1.57%) Foreign Exchange (FX)
5 2 (1.57%) Interest Rate Derivative
5 2 (1.57%) Legacy Systems
5 2 (1.57%) Social Media
6 1 (0.79%) Animation
6 1 (0.79%) Freedom of Information
6 1 (0.79%) iPhone
6 1 (0.79%) RIA
Operating Systems
1 7 (5.51%) Android
1 7 (5.51%) Apple iOS
2 5 (3.94%) Linux
3 2 (1.57%) Unix
4 1 (0.79%) Windows
Processes & Methodologies
1 62 (48.82%) Microservices
2 59 (46.46%) Agile Software Development
3 47 (37.01%) TDD
4 25 (19.69%) Scrum
5 23 (18.11%) Continuous Integration
5 23 (18.11%) Test Automation
6 21 (16.54%) BDD
6 21 (16.54%) DevOps
7 17 (13.39%) Problem-Solving
7 17 (13.39%) Software Engineering
8 14 (11.02%) OO
9 13 (10.24%) Full Stack Development
9 13 (10.24%) OOP
10 12 (9.45%) Fintech
10 12 (9.45%) Web Development
11 11 (8.66%) Collaborative Working
11 11 (8.66%) Unit Testing
12 10 (7.87%) Migration
12 10 (7.87%) Pair Programming
12 10 (7.87%) SOA
Programming Languages
1 49 (38.58%) Java
2 27 (21.26%) JavaScript
3 25 (19.69%) SQL
4 21 (16.54%) Kotlin
5 15 (11.81%) Python
6 11 (8.66%) C#
6 11 (8.66%) TypeScript
7 7 (5.51%) Java 8
8 6 (4.72%) Ruby
9 5 (3.94%) Apple Swift
9 5 (3.94%) ES6
9 5 (3.94%) PL/SQL
10 3 (2.36%) C++
10 3 (2.36%) Java 11
10 3 (2.36%) PHP
10 3 (2.36%) Scala
11 2 (1.57%) Go
11 2 (1.57%) Objective-C
12 1 (0.79%) PowerShell
12 1 (0.79%) T-SQL
Qualifications
1 5 (3.94%) Security Cleared
2 3 (2.36%) Degree
3 2 (1.57%) SC Cleared
4 1 (0.79%) Computer Science Degree
4 1 (0.79%) Master's Degree
Quality Assurance & Compliance
1 11 (8.66%) Accessibility
2 8 (6.30%) QA
3 4 (3.15%) COBIT
3 4 (3.15%) GDPR
3 4 (3.15%) WCAG
System Software
1 16 (12.60%) Docker
2 1 (0.79%) Active Directory
Systems Management
1 6 (4.72%) Kubernetes
2 3 (2.36%) Ansible
3 1 (0.79%) Single Sign-On
Vendors
1 17 (13.39%) Oracle
2 15 (11.81%) Microsoft
3 8 (6.30%) Google
4 7 (5.51%) Salesforce.com
5 6 (4.72%) MuleSoft
6 3 (2.36%) Databricks
6 3 (2.36%) HP
6 3 (2.36%) IBM
7 2 (1.57%) Atlassian
7 2 (1.57%) CA
7 2 (1.57%) CA Agile Central
7 2 (1.57%) hybris
7 2 (1.57%) Xamarin
8 1 (0.79%) Adobe
8 1 (0.79%) Alteryx
8 1 (0.79%) SAP
8 1 (0.79%) Splunk
8 1 (0.79%) Telerik
8 1 (0.79%) WorldPay
8 1 (0.79%) Zend