Period
to 29 July 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 29 July 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
29 Jul 2021
Same period 2020 Same period 2019
Rank 66 87 69
Rank change year-on-year +21 -18 -2
Contract jobs citing RESTful 114 51 237
As % of all contract jobs advertised in the City of London 3.33% 2.16% 3.61%
As % of the Libraries, Frameworks & Software Standards category 9.82% 6.42% 9.81%
Number of daily rates quoted 93 44 179
10th Percentile £414 £422 £456
25th Percentile £513 £473 £475
Median daily rate (50th Percentile) £600 £550 £550
Median % change year-on-year +9.09% - +10.00%
75th Percentile £619 £636 £625
90th Percentile £700 £659 £725
Central London median daily rate £600 £550 £550
% change year-on-year +9.09% - +8.11%
Number of hourly rates quoted 2 0 0
Median hourly rate £36.50 - -
Central London median hourly rate £36.50 - -

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 1,161 794 2,416
As % of all contract IT jobs advertised in the City of London 33.88% 33.64% 36.82%
Number of daily rates quoted 889 615 1,960
10th Percentile £410 £375 £413
25th Percentile £463 £450 £464
Median daily rate (50th Percentile) £585 £525 £525
Median % change year-on-year +11.43% - -
75th Percentile £650 £625 £600
90th Percentile £725 £688 £675
Central London median daily rate £575 £525 £525
% change year-on-year +9.52% - -
Number of hourly rates quoted 8 7 10
10th Percentile £15.88 £29.05 £20.15
25th Percentile £20.00 £34.75 £24.81
Median hourly rate £30.25 £39.00 £38.37
Median % change year-on-year -22.44% +1.64% +74.42%
75th Percentile £37.75 £52.63 £48.56
90th Percentile £47.43 £59.00 £56.50
Central London median hourly rate £35.00 £39.00 £41.75
% change year-on-year -10.26% -6.58% +89.75%

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 29 July 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 29 July 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 52 (45.61%) Microservices
2 44 (38.60%) Agile Software Development
3 40 (35.09%) TDD
3 40 (35.09%) Spring
4 36 (31.58%) Azure
5 33 (28.95%) Java
6 25 (21.93%) Kotlin
7 24 (21.05%) JavaScript
8 23 (20.18%) Git (software)
9 21 (18.42%) HTML
9 21 (18.42%) CSS
9 21 (18.42%) Test Automation
9 21 (18.42%) GraphQL
9 21 (18.42%) Greenfield Project
10 20 (17.54%) DevOps
11 19 (16.67%) Fintech
11 19 (16.67%) Continuous Integration
11 19 (16.67%) Games
12 18 (15.79%) Finance
12 18 (15.79%) Web Services
12 18 (15.79%) SQL
12 18 (15.79%) SOA
12 18 (15.79%) Microsoft
13 17 (14.91%) Stakeholder Management
13 17 (14.91%) Scrum
13 17 (14.91%) Jenkins
13 17 (14.91%) Spring Boot
14 16 (14.04%) Salesforce.com
15 15 (13.16%) Google
15 15 (13.16%) Enterprise Architecture

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 5 (4.39%) CMS
2 4 (3.51%) Oracle SOA Suite
3 2 (1.75%) Confluence
4 1 (0.88%) Adobe Experience Manager
4 1 (0.88%) Apache
4 1 (0.88%) Apache Spark
4 1 (0.88%) Mule
4 1 (0.88%) nginx
Business Applications
1 1 (0.88%) Magento
1 1 (0.88%) Payment Gateway
Cloud Services
1 36 (31.58%) Azure
2 14 (12.28%) Apigee
3 13 (11.40%) AWS
4 10 (8.77%) Serverless
5 5 (4.39%) GitHub
5 5 (4.39%) PaaS
6 4 (3.51%) iPaaS
7 3 (2.63%) AWS Lambda
8 2 (1.75%) Amazon ECS
8 2 (1.75%) Amazon EKS
8 2 (1.75%) Amazon Kinesis
8 2 (1.75%) Amazon S3
8 2 (1.75%) Amazon SQS
8 2 (1.75%) Slack
9 1 (0.88%) Amazon Cognito
9 1 (0.88%) Azure Cosmos DB
9 1 (0.88%) Datadog
9 1 (0.88%) GCP
9 1 (0.88%) OpenShift
9 1 (0.88%) Stripe
Communications & Networking
1 6 (5.26%) HTTP
2 1 (0.88%) Internet
2 1 (0.88%) Kerberos
2 1 (0.88%) VoIP
Database & Business Intelligence
1 10 (8.77%) NoSQL
2 7 (6.14%) MongoDB
2 7 (6.14%) SQL Server
3 4 (3.51%) MySQL
3 4 (3.51%) Relational Database
4 3 (2.63%) Amazon DynamoDB
4 3 (2.63%) Redis
5 2 (1.75%) Amazon Aurora
5 2 (1.75%) Data Warehouse
5 2 (1.75%) Hazelcast
5 2 (1.75%) PostgreSQL
6 1 (0.88%) Big Data
6 1 (0.88%) Hadoop
6 1 (0.88%) HBase
6 1 (0.88%) HDInsight
6 1 (0.88%) Lumira
6 1 (0.88%) RDBMS
6 1 (0.88%) SAP BW
6 1 (0.88%) SAP HANA
6 1 (0.88%) Spotfire
Development Applications
1 23 (20.18%) Git (software)
2 17 (14.91%) Jenkins
3 9 (7.89%) Jasmine
3 9 (7.89%) JUnit
3 9 (7.89%) Karma Test Runner
4 8 (7.02%) Maven
4 8 (7.02%) Selenium
5 7 (6.14%) Cucumber
6 6 (5.26%) JIRA
6 6 (5.26%) JMeter
6 6 (5.26%) JSUnit
6 6 (5.26%) Mockito
6 6 (5.26%) Postman
6 6 (5.26%) SpecFlow
7 4 (3.51%) Gradle
7 4 (3.51%) LoadRunner
8 3 (2.63%) Android Studio
8 3 (2.63%) Rational Performance Tester
8 3 (2.63%) Subversion
8 3 (2.63%) WebDriver
General
1 19 (16.67%) Games
2 18 (15.79%) Finance
3 10 (8.77%) Banking
3 10 (8.77%) Social Skills
4 6 (5.26%) Analytical Skills
4 6 (5.26%) Front Office
5 4 (3.51%) Retail
6 3 (2.63%) Investment Banking
6 3 (2.63%) Presentation Skills
7 2 (1.75%) Advertising
8 1 (0.88%) Financial Institution
8 1 (0.88%) Legal
8 1 (0.88%) Telecoms
Job Titles
1 70 (61.40%) Developer
2 22 (19.30%) Architect
3 16 (14.04%) Integration Architect
4 15 (13.16%) Java Developer
5 12 (10.53%) Azure Architect
6 11 (9.65%) Salesforce Architect
7 8 (7.02%) React Developer
8 7 (6.14%) Solutions Architect
9 6 (5.26%) Android Developer
9 6 (5.26%) Python Developer
9 6 (5.26%) Senior Developer
10 5 (4.39%) AWS Developer
10 5 (4.39%) iOS Developer
10 5 (4.39%) Node.js Developer
10 5 (4.39%) Tester
11 4 (3.51%) Automation Tester
11 4 (3.51%) Enterprise Solutions Architect
11 4 (3.51%) Front End Developer (Client-Side Developer)
11 4 (3.51%) JavaScript Developer
11 4 (3.51%) Software Engineer
Libraries, Frameworks & Software Standards
1 40 (35.09%) Spring
2 21 (18.42%) CSS
2 21 (18.42%) GraphQL
2 21 (18.42%) HTML
3 18 (15.79%) Web Services
4 17 (14.91%) Spring Boot
5 15 (13.16%) Node.js
5 15 (13.16%) React
6 14 (12.28%) Swagger
7 11 (9.65%) HTML5
8 10 (8.77%) AngularJS
9 9 (7.89%) JSON
10 8 (7.02%) Kafka
10 8 (7.02%) Sass
11 7 (6.14%) .NET
11 7 (6.14%) CSS3
11 7 (6.14%) Jest
12 6 (5.26%) jQuery
12 6 (5.26%) Redux
13 5 (4.39%) LESS
Miscellaneous
1 21 (18.42%) Greenfield Project
2 8 (7.02%) Mobile App
2 8 (7.02%) User Experience
3 5 (4.39%) Data Structures
4 3 (2.63%) Algorithms
5 2 (1.75%) Enterprise Software
5 2 (1.75%) Fixed Income
5 2 (1.75%) Public Cloud
5 2 (1.75%) Social Media
6 1 (0.88%) Animation
6 1 (0.88%) Blog
6 1 (0.88%) Derivative
6 1 (0.88%) Foreign Exchange (FX)
6 1 (0.88%) Interest Rate Derivative
6 1 (0.88%) iPhone
6 1 (0.88%) Legacy Systems
6 1 (0.88%) RIA
Operating Systems
1 8 (7.02%) Android
2 6 (5.26%) Apple iOS
3 5 (4.39%) Linux
4 2 (1.75%) Unix
Processes & Methodologies
1 52 (45.61%) Microservices
2 44 (38.60%) Agile Software Development
3 40 (35.09%) TDD
4 21 (18.42%) Test Automation
5 20 (17.54%) DevOps
6 19 (16.67%) Continuous Integration
6 19 (16.67%) Fintech
7 18 (15.79%) SOA
8 17 (14.91%) Scrum
8 17 (14.91%) Stakeholder Management
9 15 (13.16%) Enterprise Architecture
10 14 (12.28%) BDD
11 13 (11.40%) Software Engineering
12 11 (9.65%) OO
13 10 (8.77%) OOP
14 9 (7.89%) Full Stack Development
14 9 (7.89%) Web Development
15 8 (7.02%) API Design
15 8 (7.02%) Multithreading
15 8 (7.02%) Unit Testing
Programming Languages
1 33 (28.95%) Java
2 25 (21.93%) Kotlin
3 24 (21.05%) JavaScript
4 18 (15.79%) SQL
5 11 (9.65%) C#
6 9 (7.89%) TypeScript
7 8 (7.02%) Java 8
8 7 (6.14%) PL/SQL
8 7 (6.14%) Python
9 6 (5.26%) ES6
10 3 (2.63%) Apple Swift
10 3 (2.63%) Scala
11 2 (1.75%) Haskell
11 2 (1.75%) Objective-C
11 2 (1.75%) Ruby
12 1 (0.88%) Apex Code
12 1 (0.88%) C++
12 1 (0.88%) Go
12 1 (0.88%) PHP
12 1 (0.88%) SOQL
Qualifications
1 4 (3.51%) Security Cleared
2 3 (2.63%) Degree
3 2 (1.75%) Computer Science Degree
4 1 (0.88%) AWS Certification
Quality Assurance & Compliance
1 9 (7.89%) Accessibility
2 4 (3.51%) COBIT
3 2 (1.75%) WCAG
4 1 (0.88%) GDPR
4 1 (0.88%) QA
System Software
1 11 (9.65%) Docker
Systems Management
1 4 (3.51%) Kubernetes
2 3 (2.63%) Ansible
Vendors
1 18 (15.79%) Microsoft
2 16 (14.04%) Salesforce.com
3 15 (13.16%) Google
4 12 (10.53%) MuleSoft
5 10 (8.77%) Oracle
6 3 (2.63%) HP
6 3 (2.63%) IBM
6 3 (2.63%) Xamarin
7 2 (1.75%) Adobe
7 2 (1.75%) Atlassian
7 2 (1.75%) CA
7 2 (1.75%) CA Agile Central
7 2 (1.75%) hybris
7 2 (1.75%) Splunk
8 1 (0.88%) Alteryx
8 1 (0.88%) Databricks
8 1 (0.88%) SAP
8 1 (0.88%) WorldPay
8 1 (0.88%) Zend