Period
to 30 March 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 30 March 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
30 Mar 2020
Same period 2019 Same period 2018
Rank 63 49 36
Rank change year-on-year -14 -13 +7
Contract jobs citing REST 147 309 394
As % of all contract jobs advertised in the City of London 3.43% 4.54% 5.50%
As % of the Libraries, Frameworks & Software Standards category 9.97% 12.00% 14.55%
Number of daily rates quoted 113 229 334
Median daily rate £513 £525 £500
Median daily rate % change year-on-year -2.38% +5.00% +5.26%
10th Percentile £377 £363 £408
90th Percentile £675 £675 £609
Central London median daily rate £513 £533 £500
% change year-on-year -3.76% +6.50% +5.26%
Number of hourly rates quoted 1 2 7
Median hourly rate £57.50 £35.00 £21.50
Median hourly rate % change year-on-year +64.29% +62.79% -19.78%
10th Percentile £53.75 £32.50 £21.25
90th Percentile £61.25 £37.50 £21.75
Central London median hourly rate £35.00 £35.00 £21.50
% change year-on-year - +62.79% -19.78%

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 1,474 2,574 2,707
As % of all contract IT jobs advertised in the City of London 34.43% 37.81% 37.80%
Number of daily rates quoted 1,167 2,083 2,289
Median daily rate £525 £525 £520
Median daily rate % change year-on-year - +0.96% +8.33%
10th Percentile £387 £407 £363
90th Percentile £675 £675 £675
Central London median daily rate £525 £525 £500
% change year-on-year - +5.00% +5.26%
Number of hourly rates quoted 9 7 13
Median hourly rate £35.00 £35.00 £21.50
Median hourly rate % change year-on-year - +62.79% -30.42%
10th Percentile £24.50 £16.70 £21.25
90th Percentile £62.00 £92.20 £63.65
Median hourly rate £35.00 £35.00 £21.50
% change year-on-year - +62.79% -30.42%

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 30 March 2020.

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 30 March 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 - 2 £600 -
REST
Central London

For the 6 months to 30 March 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 72 (48.98%) Java
2 61 (41.50%) Agile Software Development
3 46 (31.29%) Microservices
4 38 (25.85%) Web Services
5 36 (24.49%) AngularJS
6 34 (23.13%) Spring
7 33 (22.45%) AWS
7 33 (22.45%) DevOps
8 31 (21.09%) TDD
8 31 (21.09%) Java 8
9 30 (20.41%) Finance
10 29 (19.73%) SQL
11 27 (18.37%) JavaScript
12 26 (17.69%) Scrum
13 25 (17.01%) SOAP
13 25 (17.01%) Spring Boot
14 24 (16.33%) Git (software)
15 23 (15.65%) C#
15 23 (15.65%) Docker
15 23 (15.65%) BDD
16 22 (14.97%) SQL Server
17 21 (14.29%) CSS
17 21 (14.29%) Linux
17 21 (14.29%) Kubernetes
18 20 (13.61%) React
19 19 (12.93%) Kafka
20 18 (12.24%) JSON
21 17 (11.56%) Banking
21 17 (11.56%) E-Commerce
22 16 (10.88%) .NET

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 16 (10.88%) Elasticsearch
2 5 (3.40%) Apache Spark
3 4 (2.72%) Adobe Experience Manager
3 4 (2.72%) Apache
3 4 (2.72%) Confluence
4 3 (2.04%) Apache Airflow
4 3 (2.04%) CMS
4 3 (2.04%) Drupal
4 3 (2.04%) Luigi
4 3 (2.04%) Mule
4 3 (2.04%) Tomcat
4 3 (2.04%) WebLogic
5 2 (1.36%) Anypoint
5 2 (1.36%) Mule ESB
5 2 (1.36%) nginx
5 2 (1.36%) Oracle SOA Suite
6 1 (0.68%) Apache Solr
6 1 (0.68%) ArcGIS
6 1 (0.68%) IIS
6 1 (0.68%) SAS
Applications
1 3 (2.04%) InDesign
1 3 (2.04%) Photoshop
2 2 (1.36%) Microsoft Office
3 1 (0.68%) Figma
Cloud Services
1 33 (22.45%) AWS
2 13 (8.84%) Azure
3 8 (5.44%) Amazon S3
4 7 (4.76%) GitHub
4 7 (4.76%) SaaS
5 6 (4.08%) GCP
6 4 (2.72%) Amazon EC2
6 4 (2.72%) Amazon ELB
6 4 (2.72%) Amazon SQS
6 4 (2.72%) Route 53
7 3 (2.04%) Azure ExpressRoute
7 3 (2.04%) Azure Stack
7 3 (2.04%) IaaS
7 3 (2.04%) iPaaS
7 3 (2.04%) npm
7 3 (2.04%) OpenShift
7 3 (2.04%) PaaS
7 3 (2.04%) Tricentis Tosca
8 2 (1.36%) Amazon SageMaker
8 2 (1.36%) AWS Fargate
Communications & Networking
1 12 (8.16%) HTTP
2 8 (5.44%) SSL
3 6 (4.08%) DNS
3 6 (4.08%) FTP
3 6 (4.08%) TCP/IP
4 3 (2.04%) VPN
5 1 (0.68%) AMQP
5 1 (0.68%) Broadband
5 1 (0.68%) DHCP
5 1 (0.68%) DOCSIS
5 1 (0.68%) HTTPS
5 1 (0.68%) MQTT
5 1 (0.68%) SMS
5 1 (0.68%) SNMP
Database & Business Intelligence
1 22 (14.97%) SQL Server
2 15 (10.20%) NoSQL
3 11 (7.48%) MongoDB
3 11 (7.48%) PostgreSQL
4 9 (6.12%) Big Data
4 9 (6.12%) MySQL
4 9 (6.12%) Redis
5 8 (5.44%) Relational Database
6 5 (3.40%) Apache Cassandra
6 5 (3.40%) RDBMS
7 4 (2.72%) Hadoop
8 3 (2.04%) Azkaban
8 3 (2.04%) Data Lake
8 3 (2.04%) Oracle Database
9 2 (1.36%) Amazon Athena
9 2 (1.36%) Amazon Aurora
9 2 (1.36%) Amazon DynamoDB
9 2 (1.36%) Oracle Database 12c
9 2 (1.36%) Oracle Exadata
10 1 (0.68%) HBase
Development Applications
1 24 (16.33%) Git (software)
2 14 (9.52%) Jenkins
3 12 (8.16%) Maven
4 10 (6.80%) Gradle
5 8 (5.44%) JIRA
5 8 (5.44%) JUnit
6 6 (4.08%) GitLab
6 6 (4.08%) Mockito
7 5 (3.40%) Cucumber
7 5 (3.40%) Gatling
7 5 (3.40%) Geb
7 5 (3.40%) Spock
7 5 (3.40%) Visual Studio
8 4 (2.72%) CircleCI
8 4 (2.72%) Postman
8 4 (2.72%) Selenium
8 4 (2.72%) webpack
9 3 (2.04%) Atlassian Bamboo
9 3 (2.04%) Babel
9 3 (2.04%) gulp
General
1 30 (20.41%) Finance
2 17 (11.56%) Banking
3 7 (4.76%) Retail
4 4 (2.72%) Front Office
5 3 (2.04%) Advertising
5 3 (2.04%) Investment Banking
5 3 (2.04%) Public Sector
5 3 (2.04%) Publishing
6 1 (0.68%) Law
6 1 (0.68%) Marketing
Job Titles
1 95 (64.63%) Developer
2 35 (23.81%) Java Developer
3 15 (10.20%) Architect
4 13 (8.84%) C# Developer
5 8 (5.44%) Salesforce Developer
5 8 (5.44%) Solutions Architect
6 7 (4.76%) AWS Developer
6 7 (4.76%) Consultant
6 7 (4.76%) Full Stack Developer
7 6 (4.08%) Agile Developer
7 6 (4.08%) Data Engineer
7 6 (4.08%) React Developer
7 6 (4.08%) UI Developer
8 5 (3.40%) .NET Developer
8 5 (3.40%) Agile Java Developer
8 5 (3.40%) Android Developer
8 5 (3.40%) Applications Developer
9 4 (2.72%) Analyst
9 4 (2.72%) Front End Developer (Client-Side Developer)
9 4 (2.72%) iOS Developer
Libraries, Frameworks & Software Standards
1 38 (25.85%) Web Services
2 36 (24.49%) AngularJS
3 34 (23.13%) Spring
4 25 (17.01%) SOAP
4 25 (17.01%) Spring Boot
5 21 (14.29%) CSS
6 20 (13.61%) React
7 19 (12.93%) Kafka
8 18 (12.24%) JSON
9 16 (10.88%) .NET
9 16 (10.88%) HTML
10 14 (9.52%) XML
11 12 (8.16%) Redux
12 11 (7.48%) Node.js
13 10 (6.80%) OAuth
14 9 (6.12%) Middleware
14 9 (6.12%) WCF
14 9 (6.12%) XSLT
15 8 (5.44%) OAuth2
15 8 (5.44%) RxJava
Miscellaneous
1 7 (4.76%) Analytical Skills
1 7 (4.76%) Data Structures
2 6 (4.08%) Greenfield Project
3 5 (3.40%) User Experience
4 2 (1.36%) Algorithms
4 2 (1.36%) Enterprise Software
4 2 (1.36%) Fixed Income
4 2 (1.36%) iPad
4 2 (1.36%) Mobile App
4 2 (1.36%) N-Tier
4 2 (1.36%) Replication
4 2 (1.36%) Video on Demand
4 2 (1.36%) Video\Live Streaming
4 2 (1.36%) Web 2.0
5 1 (0.68%) Clustering
5 1 (0.68%) Credit Risk
5 1 (0.68%) Derivative
5 1 (0.68%) Hedge funds
5 1 (0.68%) Management Information System
5 1 (0.68%) Market Risk
Operating Systems
1 21 (14.29%) Linux
2 9 (6.12%) Android
3 6 (4.08%) Unix
4 5 (3.40%) Apple iOS
5 3 (2.04%) Windows
6 2 (1.36%) Red Hat Enterprise Linux
7 1 (0.68%) Oracle Linux
7 1 (0.68%) Solaris
7 1 (0.68%) Ubuntu
Processes & Methodologies
1 61 (41.50%) Agile Software Development
2 46 (31.29%) Microservices
3 33 (22.45%) DevOps
4 31 (21.09%) TDD
5 26 (17.69%) Scrum
6 23 (15.65%) BDD
7 17 (11.56%) E-Commerce
8 15 (10.20%) Test Automation
9 14 (9.52%) Workflow
10 13 (8.84%) Pair Programming
10 13 (8.84%) SOA
11 11 (7.48%) OO
11 11 (7.48%) SDLC
12 8 (5.44%) Kanban
12 8 (5.44%) Mobile Development
12 8 (5.44%) Performance Tuning
12 8 (5.44%) Unit Testing
12 8 (5.44%) Workflow Management
13 7 (4.76%) Multithreading
13 7 (4.76%) MVVM
Programming Languages
1 72 (48.98%) Java
2 31 (21.09%) Java 8
3 29 (19.73%) SQL
4 27 (18.37%) JavaScript
5 23 (15.65%) C#
6 16 (10.88%) TypeScript
7 15 (10.20%) Python
8 8 (5.44%) Kotlin
9 7 (4.76%) Apex Code
9 7 (4.76%) PHP
10 5 (3.40%) Ruby
11 4 (2.72%) ES6
11 4 (2.72%) Scala
12 3 (2.04%) AWK
12 3 (2.04%) C++
12 3 (2.04%) Groovy
12 3 (2.04%) Perl
12 3 (2.04%) PL/SQL
12 3 (2.04%) sed
12 3 (2.04%) Shell Script
Qualifications
1 7 (4.76%) SC Cleared
1 7 (4.76%) Security Cleared
2 5 (3.40%) Degree
3 4 (2.72%) Computer Science Degree
4 2 (1.36%) CTC Cleared
4 2 (1.36%) Master's Degree
5 1 (0.68%) CCIE
5 1 (0.68%) CCNA
5 1 (0.68%) Cisco Certification
5 1 (0.68%) DV Cleared
5 1 (0.68%) ITIL Foundation Certificate
Quality Assurance & Compliance
1 9 (6.12%) QA
2 3 (2.04%) MiFID
3 2 (1.36%) ISO/IEC 20000
4 1 (0.68%) Dodd-Frank
4 1 (0.68%) EMIR
4 1 (0.68%) GDPR
System Software
1 23 (15.65%) Docker
2 2 (1.36%) Active Directory
2 2 (1.36%) Oracle RAC
3 1 (0.68%) Varnish
Systems Management
1 21 (14.29%) Kubernetes
2 10 (6.80%) Terraform
3 6 (4.08%) Docker Swarm
4 5 (3.40%) Single Sign-On
5 3 (2.04%) Ansible
5 3 (2.04%) Kibana
6 2 (1.36%) Data Guard
6 2 (1.36%) Grafana
6 2 (1.36%) Oracle RMAN
6 2 (1.36%) Prometheus
7 1 (0.68%) Opscode Chef
7 1 (0.68%) Oracle Enterprise Manager
Vendors
1 8 (5.44%) Oracle
1 8 (5.44%) Salesforce.com
2 6 (4.08%) MuleSoft
3 5 (3.40%) Microsoft
4 4 (2.72%) Adobe
4 4 (2.72%) Google
4 4 (2.72%) Okta
4 4 (2.72%) Splunk
5 3 (2.04%) ServiceNow
6 2 (1.36%) Red Hat
7 1 (0.68%) Criteo
7 1 (0.68%) DocuSign
7 1 (0.68%) Facebook
7 1 (0.68%) MapR
7 1 (0.68%) Netezza
7 1 (0.68%) OutSystems
7 1 (0.68%) Salesforce Marketing Cloud
7 1 (0.68%) Sitecore
7 1 (0.68%) Veracode
7 1 (0.68%) Workday