Period
to 20 January 2020

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 20 January 2020 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
20 Jan 2020
Same period 2019 Same period 2018
Rank 63 44 38
Rank change year-on-year -19 -6 +10
Contract jobs citing REST 162 328 371
As % of all contract IT jobs advertised in the City of London 3.28% 4.90% 5.27%
As % of the Libraries, Frameworks & Software Standards category 9.61% 12.47% 13.78%
Number of daily rates quoted 132 263 323
City of London median daily rate £513 £538 £500
Median daily rate % change year-on-year -4.65% +7.50% -
10th Percentile £363 £413 £395
90th Percentile £675 £675 £599
Central London median daily rate £513 £550 £500
% change year-on-year -6.82% +10.00% +2.56%
Number of hourly rates quoted 0 0 1
City of London median hourly rate - - £21.50
Central London median hourly rate £35.00 - £21.50

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 1,686 2,630 2,693
As % of all contract IT jobs advertised in the City of London 34.15% 39.28% 38.22%
Number of daily rates quoted 1,373 2,190 2,296
City of London median daily rate £530 £525 £513
Median daily rate % change year-on-year +0.95% +2.44% +7.89%
10th Percentile £400 £409 £363
90th Percentile £675 £663 £663
Central London median daily rate £525 £525 £500
% change year-on-year - +5.00% +5.26%
Number of hourly rates quoted 4 3 6
City of London median hourly rate £38.50 £19.00 £27.55
Median hourly rate % change year-on-year +102.63% -31.02% -47.15%
10th Percentile £24.50 £14.90 £21.00
90th Percentile £62.15 £84.50 £57.88
Central London median hourly rate £35.00 £27.00 £27.09
% change year-on-year +29.63% -0.33% -48.03%

REST
Job Vacancy Trend in the City of London

Job postings citing REST as a percentage 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

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing REST in the City of London.

Contractor daily rate trend for REST in the City of London

REST
Contractor Daily Rate Histogram in the City of London

The daily rate distribution of IT jobs citing REST in the City of London over the 6 months to 20 January 2020.

Contractor daily rate histogram for REST in the City of London

REST
Contractor Hourly Rate Trend in the City of London

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing REST in the City of London.

Contractor 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 20 January 2020. 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 +50 4 £588 +38.24% 1
Moorgate - 1 - -
REST
Central London

For the 6 months to 20 January 2020, 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 81 (50.00%) Java
2 76 (46.91%) Agile Software Development
3 47 (29.01%) JavaScript
3 47 (29.01%) Microservices
4 45 (27.78%) TDD
5 44 (27.16%) Web Services
6 41 (25.31%) SOAP
6 41 (25.31%) SQL
7 40 (24.69%) Spring
8 38 (23.46%) AWS
8 38 (23.46%) AngularJS
9 37 (22.84%) Git (software)
9 37 (22.84%) DevOps
10 34 (20.99%) Docker
10 34 (20.99%) JSON
10 34 (20.99%) Java 8
11 31 (19.14%) Spring Boot
12 30 (18.52%) Scrum
12 30 (18.52%) Linux
13 27 (16.67%) CSS
13 27 (16.67%) BDD
14 26 (16.05%) Kafka
14 26 (16.05%) C#
15 24 (14.81%) HTML
16 23 (14.20%) Finance
16 23 (14.20%) Kubernetes
17 22 (13.58%) SQL Server
17 22 (13.58%) Python
18 21 (12.96%) Jenkins
19 20 (12.35%) Azure

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 15 (9.26%) Elasticsearch
2 6 (3.70%) Apache
3 4 (2.47%) Adobe Experience Manager
3 4 (2.47%) Cloud Foundry
3 4 (2.47%) Confluence
4 3 (1.85%) Apache Airflow
4 3 (1.85%) Apache Spark
4 3 (1.85%) CMS
4 3 (1.85%) Luigi
5 2 (1.23%) Anypoint
5 2 (1.23%) Drupal
5 2 (1.23%) Ethereum
5 2 (1.23%) Hyperledger
5 2 (1.23%) IIS
5 2 (1.23%) Mule
5 2 (1.23%) Mule ESB
5 2 (1.23%) nginx
5 2 (1.23%) OpenStack
5 2 (1.23%) Tomcat
5 2 (1.23%) WebLogic
Applications
1 3 (1.85%) InDesign
1 3 (1.85%) Photoshop
2 2 (1.23%) Microsoft Office
Business Applications
1 2 (1.23%) Distributed Ledger
1 2 (1.23%) R3 Corda
Cloud Services
1 38 (23.46%) AWS
2 20 (12.35%) Azure
3 8 (4.94%) Amazon EC2
3 8 (4.94%) GCP
3 8 (4.94%) GitHub
4 7 (4.32%) SaaS
5 6 (3.70%) Amazon ELB
5 6 (3.70%) Amazon S3
5 6 (3.70%) Amazon SQS
5 6 (3.70%) PaaS
6 5 (3.09%) IaaS
7 4 (2.47%) OpenShift
7 4 (2.47%) Route 53
8 3 (1.85%) AWS Fargate
8 3 (1.85%) AWS Lambda
9 2 (1.23%) Amazon CloudWatch
9 2 (1.23%) Amazon SageMaker
9 2 (1.23%) npm
9 2 (1.23%) Serverless
10 1 (0.62%) Stackdriver
Communications & Networking
1 16 (9.88%) HTTP
2 10 (6.17%) DNS
2 10 (6.17%) FTP
2 10 (6.17%) SSL
2 10 (6.17%) TCP/IP
3 2 (1.23%) AMQP
3 2 (1.23%) Peer-to-Peer Networking
3 2 (1.23%) VPN
4 1 (0.62%) DHCP
4 1 (0.62%) DOCSIS
4 1 (0.62%) HTTPS
4 1 (0.62%) MQTT
4 1 (0.62%) SMS
4 1 (0.62%) SNMP
Database & Business Intelligence
1 22 (13.58%) SQL Server
2 16 (9.88%) MongoDB
2 16 (9.88%) NoSQL
2 16 (9.88%) PostgreSQL
3 12 (7.41%) Relational Database
4 9 (5.56%) MySQL
4 9 (5.56%) Redis
5 7 (4.32%) Apache Cassandra
6 5 (3.09%) Big Data
7 3 (1.85%) Azkaban
7 3 (1.85%) Hadoop
7 3 (1.85%) SQL Server 2008
7 3 (1.85%) SQL Server Integration Services
8 2 (1.23%) Amazon Aurora
8 2 (1.23%) Amazon RDS
8 2 (1.23%) Blockchain
8 2 (1.23%) HBase
8 2 (1.23%) RDBMS
9 1 (0.62%) Cosmos DB
9 1 (0.62%) Geospatial Data
Development Applications
1 37 (22.84%) Git (software)
2 21 (12.96%) Jenkins
3 13 (8.02%) Gradle
4 12 (7.41%) Maven
5 11 (6.79%) GitLab
6 10 (6.17%) Gatling
7 9 (5.56%) Geb
7 9 (5.56%) Spock
8 7 (4.32%) gulp
9 6 (3.70%) JIRA
10 5 (3.09%) CircleCI
10 5 (3.09%) Selenium
10 5 (3.09%) webpack
11 4 (2.47%) Atlassian Bamboo
11 4 (2.47%) Bitbucket
11 4 (2.47%) Mockito
11 4 (2.47%) Postman
11 4 (2.47%) SpecFlow
11 4 (2.47%) TeamCity
11 4 (2.47%) Visual Studio
General
1 23 (14.20%) Finance
2 8 (4.94%) Banking
3 6 (3.70%) Retail
4 5 (3.09%) Advertising
5 4 (2.47%) Publishing
6 3 (1.85%) Public Sector
7 2 (1.23%) Front Office
7 2 (1.23%) Law
7 2 (1.23%) Marketing
8 1 (0.62%) French Language
8 1 (0.62%) Investment Banking
Job Titles
1 109 (67.28%) Developer
2 40 (24.69%) Java Developer
3 15 (9.26%) Architect
3 15 (9.26%) C# Developer
4 10 (6.17%) Agile Developer
4 10 (6.17%) AWS Developer
5 9 (5.56%) Agile Java Developer
5 9 (5.56%) Full Stack Developer
5 9 (5.56%) Senior Developer
6 8 (4.94%) Front End Developer (Client-Side Developer)
7 7 (4.32%) .NET Developer
7 7 (4.32%) Analyst
7 7 (4.32%) Angular Developer
7 7 (4.32%) React Developer
7 7 (4.32%) Salesforce Developer
7 7 (4.32%) Solutions Architect
8 6 (3.70%) Consultant
8 6 (3.70%) ServiceNow Developer
9 5 (3.09%) Author
9 5 (3.09%) Technical Author
Libraries, Frameworks & Software Standards
1 44 (27.16%) Web Services
2 41 (25.31%) SOAP
3 40 (24.69%) Spring
4 38 (23.46%) AngularJS
5 34 (20.99%) JSON
6 31 (19.14%) Spring Boot
7 27 (16.67%) CSS
8 26 (16.05%) Kafka
9 24 (14.81%) HTML
10 20 (12.35%) React
10 20 (12.35%) XML
11 18 (11.11%) .NET
12 16 (9.88%) OAuth
13 15 (9.26%) Node.js
13 15 (9.26%) Redux
14 13 (8.02%) OAuth2
15 11 (6.79%) Dropwizard
16 10 (6.17%) Guice
16 10 (6.17%) Ratpack
16 10 (6.17%) XSLT
Miscellaneous
1 10 (6.17%) Analytical Skills
2 5 (3.09%) Data Structures
2 5 (3.09%) Greenfield Project
3 4 (2.47%) User Experience
4 3 (1.85%) Algorithms
5 2 (1.23%) Client/Server
5 2 (1.23%) Private Cloud
6 1 (0.62%) Clustering
6 1 (0.62%) Enterprise Software
6 1 (0.62%) Management Information System
6 1 (0.62%) Mobile App
6 1 (0.62%) N-Tier
6 1 (0.62%) Reference Data
6 1 (0.62%) Reinsurance
6 1 (0.62%) Replication
6 1 (0.62%) Self-Motivation
6 1 (0.62%) Video on Demand
6 1 (0.62%) Video\Live Streaming
6 1 (0.62%) Web 2.0
Operating Systems
1 30 (18.52%) Linux
2 8 (4.94%) Unix
3 6 (3.70%) Windows
4 4 (2.47%) Android
5 2 (1.23%) Mac OS X
6 1 (0.62%) Apple iOS
6 1 (0.62%) Oracle Linux
6 1 (0.62%) Red Hat Enterprise Linux
6 1 (0.62%) Solaris
6 1 (0.62%) Ubuntu
Processes & Methodologies
1 76 (46.91%) Agile Software Development
2 47 (29.01%) Microservices
3 45 (27.78%) TDD
4 37 (22.84%) DevOps
5 30 (18.52%) Scrum
6 27 (16.67%) BDD
7 18 (11.11%) Software Engineering
8 17 (10.49%) SOA
9 16 (9.88%) Test Automation
10 15 (9.26%) Kanban
11 13 (8.02%) E-Commerce
12 12 (7.41%) Fintech
12 12 (7.41%) Pair Programming
12 12 (7.41%) Workflow
13 11 (6.79%) API Development
13 11 (6.79%) Domain-Driven Design
13 11 (6.79%) Problem-Solving
14 10 (6.17%) Computer Science
14 10 (6.17%) Front End Development
14 10 (6.17%) OWASP
Programming Languages
1 81 (50.00%) Java
2 47 (29.01%) JavaScript
3 41 (25.31%) SQL
4 34 (20.99%) Java 8
5 26 (16.05%) C#
6 22 (13.58%) Python
7 18 (11.11%) TypeScript
8 9 (5.56%) Apex Code
8 9 (5.56%) ES6
9 7 (4.32%) PHP
10 6 (3.70%) Scala
11 5 (3.09%) C++
11 5 (3.09%) Ruby
12 4 (2.47%) ANSI SQL
12 4 (2.47%) T-SQL
13 3 (1.85%) AWK
13 3 (1.85%) Kotlin
13 3 (1.85%) Perl
13 3 (1.85%) PowerShell
13 3 (1.85%) sed
Qualifications
1 9 (5.56%) Degree
2 4 (2.47%) Computer Science Degree
2 4 (2.47%) SC Cleared
2 4 (2.47%) Security Cleared
3 1 (0.62%) CCIE
3 1 (0.62%) CCNA
3 1 (0.62%) Cisco Certification
3 1 (0.62%) CTC Cleared
3 1 (0.62%) DV Cleared
3 1 (0.62%) ITIL Foundation Certificate
Quality Assurance & Compliance
1 4 (2.47%) QA
2 1 (0.62%) Data Quality
2 1 (0.62%) Dodd-Frank
2 1 (0.62%) EMIR
2 1 (0.62%) ISO/IEC 20000
2 1 (0.62%) MiFID
System Software
1 34 (20.99%) Docker
2 3 (1.85%) Active Directory
3 1 (0.62%) Oracle RAC
3 1 (0.62%) Varnish
Systems Management
1 23 (14.20%) Kubernetes
2 11 (6.79%) Terraform
3 10 (6.17%) Docker Swarm
4 5 (3.09%) Ansible
4 5 (3.09%) Single Sign-On
5 2 (1.23%) Puppet
6 1 (0.62%) Data Guard
6 1 (0.62%) MIIS
6 1 (0.62%) Opscode Chef
6 1 (0.62%) Oracle RMAN
Vendors
1 13 (8.02%) Salesforce.com
2 8 (4.94%) Microsoft
3 7 (4.32%) ServiceNow
4 6 (3.70%) Google
4 6 (3.70%) MuleSoft
5 4 (2.47%) Adobe
5 4 (2.47%) Okta
5 4 (2.47%) Oracle
5 4 (2.47%) Splunk
6 3 (1.85%) Criteo
6 3 (1.85%) Facebook
6 3 (1.85%) WSO2
7 2 (1.23%) ForgeRock
7 2 (1.23%) Informatica
8 1 (0.62%) ESRI
8 1 (0.62%) HP
8 1 (0.62%) InterSystems
8 1 (0.62%) Nokia
8 1 (0.62%) Red Hat
8 1 (0.62%) Sony