Period
to 11 December 2019

The following table provides summary statistics for permanent job vacancies advertised in the City of London with a requirement for REST skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited REST over the 6 months to 11 December 2019 with a comparison to the same period in the previous 2 years.

Representational State Transfer (REST)
Central London > City of London
6 months to
11 Dec 2019
Same period 2018 Same period 2017
Rank 65 67 84
Rank change year-on-year +2 +17 0
Permanent jobs citing REST 407 460 385
As % of all permanent IT jobs advertised in the City of London 4.13% 4.31% 3.71%
As % of the Libraries, Frameworks & Software Standards category 10.64% 9.94% 9.32%
Number of salaries quoted 363 398 348
City of London median annual salary £70,000 £70,000 £65,000
Median salary % change year-on-year - +7.69% +8.33%
10th Percentile £44,000 £43,750 £45,000
90th Percentile £92,500 £93,750 £89,375
Central London median annual salary £72,500 £70,000 £62,500
% change year-on-year +3.57% +12.00% +4.17%

REST is in the Software Libraries and Frameworks category. The following table is for comparison with the above and provides summary statistics for all permanent 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
Permanent vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 3,825 4,626 4,129
As % of all permanent IT jobs advertised in the City of London 38.84% 43.37% 39.81%
Number of salaries quoted 3,391 4,228 3,745
City of London median annual salary £70,000 £65,000 £62,500
Median salary % change year-on-year +7.69% +4.00% +4.17%
10th Percentile £45,000 £42,500 £40,000
90th Percentile £96,250 £93,750 £91,250
Central London median annual salary £70,000 £65,000 £60,000
% change year-on-year +7.69% +8.33% +4.35%

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
Salary Trend in the City of London

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

Salary trend for REST in the City of London

REST
Salary Histogram in the City of London

The salary distribution of IT jobs citing REST in the City of London over the 6 months to 11 December 2019.

Salary histogram for REST in the City of London

REST
Job Locations in the City of London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing REST within the City of London region over the 6 months to 11 December 2019. 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
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
London Bridge -6 6 £62,500 +11.61%
REST
Central London

For the 6 months to 11 December 2019, IT 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 permanent job ads across the City of London region with a requirement for REST.

1 218 (53.56%) Agile Software Development
2 172 (42.26%) JavaScript
3 153 (37.59%) Java
4 131 (32.19%) Microservices
5 120 (29.48%) Finance
6 118 (28.99%) SQL
7 111 (27.27%) AWS
8 106 (26.04%) C#
9 105 (25.80%) Git (software)
10 103 (25.31%) HTML
11 102 (25.06%) Azure
12 101 (24.82%) Scrum
13 98 (24.08%) CSS
14 92 (22.60%) .NET
14 92 (22.60%) SQL Server
15 90 (22.11%) TDD
16 89 (21.87%) Docker
17 87 (21.38%) AngularJS
17 87 (21.38%) JSON
18 84 (20.64%) Software Engineering
19 81 (19.90%) Fintech
20 79 (19.41%) DevOps
20 79 (19.41%) Spring
20 79 (19.41%) OO
21 75 (18.43%) Continuous Integration
22 74 (18.18%) Python
22 74 (18.18%) SOAP
22 74 (18.18%) MVC
23 67 (16.46%) Web Services
24 66 (16.22%) React

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 25 (6.14%) EPiServer
2 20 (4.91%) CMS
3 19 (4.67%) Cloud Foundry
4 13 (3.19%) Tomcat
5 12 (2.95%) Elasticsearch
5 12 (2.95%) Headless CMS
6 8 (1.97%) Confluence
7 7 (1.72%) Apache Solr
7 7 (1.72%) nginx
8 6 (1.47%) Apache Spark
9 4 (0.98%) Apache
9 4 (0.98%) OpenStack
9 4 (0.98%) WebSphere
10 3 (0.74%) Mule
11 2 (0.49%) WebLogic
12 1 (0.25%) Adobe Experience Manager
12 1 (0.25%) CICS
12 1 (0.25%) Oracle SOA Suite
12 1 (0.25%) SAS
12 1 (0.25%) WebSphere Application Server
Applications
1 8 (1.97%) Microsoft Office
2 3 (0.74%) Microsoft Excel
3 2 (0.49%) Microsoft Project
3 2 (0.49%) MS Visio
4 1 (0.25%) Figma
4 1 (0.25%) Photoshop
4 1 (0.25%) Sketch
4 1 (0.25%) Spreadsheet
Business Applications
1 9 (2.21%) Distributed Ledger
2 1 (0.25%) Magento
2 1 (0.25%) Payment Gateway
2 1 (0.25%) R3 Corda
2 1 (0.25%) Ripple
Cloud Services
1 111 (27.27%) AWS
2 102 (25.06%) Azure
3 52 (12.78%) GCP
4 27 (6.63%) SaaS
5 24 (5.90%) Serverless
6 20 (4.91%) Amazon EC2
7 17 (4.18%) AWS Lambda
7 17 (4.18%) GitHub
8 16 (3.93%) Azure Functions
9 13 (3.19%) AWS Fargate
9 13 (3.19%) Firebase
10 8 (1.97%) npm
11 7 (1.72%) Amazon S3
12 6 (1.47%) BrowserStack
12 6 (1.47%) PaaS
13 5 (1.23%) Salesforce Service Cloud
14 4 (0.98%) Apple Pay
14 4 (0.98%) CloudFront
14 4 (0.98%) Google Pay
15 3 (0.74%) IaaS
Communications & Networking
1 38 (9.34%) Internet
2 25 (6.14%) HTTP
3 8 (1.97%) DNS
4 2 (0.49%) BGP
4 2 (0.49%) MPLS
4 2 (0.49%) Software-Defined Networking
5 1 (0.25%) OpenFlow
5 1 (0.25%) SMS
5 1 (0.25%) SSH
5 1 (0.25%) VPN
Database & Business Intelligence
1 92 (22.60%) SQL Server
2 45 (11.06%) MySQL
3 42 (10.32%) NoSQL
4 33 (8.11%) PostgreSQL
5 30 (7.37%) SQL Server 2012
6 26 (6.39%) MongoDB
7 22 (5.41%) Big Data
8 21 (5.16%) Relational Database
9 20 (4.91%) Amazon RDS
10 17 (4.18%) SQL Server Integration Services
11 11 (2.70%) Redis
12 7 (1.72%) Hadoop
12 7 (1.72%) RDBMS
13 6 (1.47%) Amazon DynamoDB
13 6 (1.47%) Neo4j
14 5 (1.23%) Apache Cassandra
14 5 (1.23%) Blockchain
15 4 (0.98%) Cosmos DB
15 4 (0.98%) CouchDB
15 4 (0.98%) Oracle Database
Development Applications
1 105 (25.80%) Git (software)
2 35 (8.60%) Jenkins
3 30 (7.37%) Visual Studio
4 24 (5.90%) Cucumber
4 24 (5.90%) Selenium
5 22 (5.41%) JUnit
6 18 (4.42%) Atlassian Bamboo
7 16 (3.93%) Maven
8 14 (3.44%) Mockito
9 12 (2.95%) JIRA
9 12 (2.95%) TeamCity
10 11 (2.70%) WebDriver
11 10 (2.46%) NUnit
12 9 (2.21%) Team Foundation Server
13 8 (1.97%) Gradle
13 8 (1.97%) Postman
13 8 (1.97%) Spock
13 8 (1.97%) webpack
14 7 (1.72%) Appium
14 7 (1.72%) gulp
General
1 120 (29.48%) Finance
2 32 (7.86%) Banking
3 25 (6.14%) Marketing
4 18 (4.42%) Advertising
5 12 (2.95%) Retail
6 6 (1.47%) Front Office
6 6 (1.47%) Games
6 6 (1.47%) Legal
6 6 (1.47%) Publishing
7 5 (1.23%) Law
7 5 (1.23%) Telecoms
8 4 (0.98%) Investment Banking
9 3 (0.74%) Public Sector
10 2 (0.49%) Electronics
10 2 (0.49%) Local Government
10 2 (0.49%) Manufacturing
10 2 (0.49%) Pharmaceutical
10 2 (0.49%) Retail Banking
11 1 (0.25%) Billing
11 1 (0.25%) Financial Institution
Job Titles
1 277 (68.06%) Developer
2 70 (17.20%) Senior Developer
3 67 (16.46%) Java Developer
4 61 (14.99%) .NET Developer
5 46 (11.30%) C# Developer
6 42 (10.32%) Python Developer
7 36 (8.85%) Full Stack Developer
8 34 (8.35%) C# .NET Developer
9 33 (8.11%) Python Engineer
10 23 (5.65%) Senior C# Developer
11 22 (5.41%) Analyst
11 22 (5.41%) Angular Developer
11 22 (5.41%) JavaScript Developer
11 22 (5.41%) Senior .NET Developer
12 18 (4.42%) Business Analyst
12 18 (4.42%) Lead Developer
13 17 (4.18%) Senior Java Developer
14 16 (3.93%) Software Engineer
15 15 (3.69%) Agile Developer
15 15 (3.69%) Agile Java Developer
Libraries, Frameworks & Software Standards
1 103 (25.31%) HTML
2 98 (24.08%) CSS
3 92 (22.60%) .NET
4 87 (21.38%) AngularJS
4 87 (21.38%) JSON
5 79 (19.41%) Spring
6 74 (18.18%) SOAP
7 67 (16.46%) Web Services
8 66 (16.22%) React
9 59 (14.50%) HTML5
10 57 (14.00%) Node.js
11 52 (12.78%) XML
12 48 (11.79%) CSS3
13 36 (8.85%) .NET Core
14 35 (8.60%) ASP.NET
15 32 (7.86%) Spring Boot
15 32 (7.86%) Twitter Bootstrap
16 28 (6.88%) GraphQL
17 27 (6.63%) .NET Framework
18 26 (6.39%) Flask
Miscellaneous
1 32 (7.86%) Greenfield Project
2 31 (7.62%) Mobile App
3 19 (4.67%) Analytical Skills
4 18 (4.42%) User Experience
5 17 (4.18%) Reinsurance
6 14 (3.44%) Cloud Native
7 11 (2.70%) Social Media
8 9 (2.21%) Blog
9 8 (1.97%) Algorithms
9 8 (1.97%) Enterprise Software
9 8 (1.97%) Linux Command Line
9 8 (1.97%) Self-Motivation
10 5 (1.23%) Data Centre
10 5 (1.23%) Data Structures
11 4 (0.98%) Online Games
11 4 (0.98%) Spread Betting
11 4 (0.98%) Tandem
12 3 (0.74%) e-Learning
12 3 (0.74%) Fixed Income
12 3 (0.74%) Social Network
Operating Systems
1 35 (8.60%) Linux
2 20 (4.91%) Android
3 17 (4.18%) Apple iOS
4 16 (3.93%) Unix
5 6 (1.47%) Windows
6 4 (0.98%) CentOS
7 2 (0.49%) Red Hat Enterprise Linux
7 2 (0.49%) Ubuntu
8 1 (0.25%) Windows Server
Processes & Methodologies
1 218 (53.56%) Agile Software Development
2 131 (32.19%) Microservices
3 101 (24.82%) Scrum
4 90 (22.11%) TDD
5 84 (20.64%) Software Engineering
6 81 (19.90%) Fintech
7 79 (19.41%) DevOps
7 79 (19.41%) OO
8 75 (18.43%) Continuous Integration
9 74 (18.18%) MVC
10 61 (14.99%) BDD
11 51 (12.53%) Unit Testing
12 49 (12.04%) Test Automation
13 44 (10.81%) Computer Science
13 44 (10.81%) Web Development
14 42 (10.32%) OOP
14 42 (10.32%) SDLC
15 37 (9.09%) Machine Learning
16 32 (7.86%) Problem-Solving
17 31 (7.62%) Event-Driven Architecture
Programming Languages
1 172 (42.26%) JavaScript
2 153 (37.59%) Java
3 118 (28.99%) SQL
4 106 (26.04%) C#
5 74 (18.18%) Python
6 32 (7.86%) Java 8
7 25 (6.14%) ES6
7 25 (6.14%) XPath
8 22 (5.41%) TypeScript
9 18 (4.42%) Kotlin
10 14 (3.44%) Apex Code
10 14 (3.44%) Groovy
11 13 (3.19%) PHP
12 12 (2.95%) PL/SQL
12 12 (2.95%) T-SQL
13 11 (2.70%) Go
13 11 (2.70%) Scala
14 7 (1.72%) C++
14 7 (1.72%) Ruby
15 4 (0.98%) Objective-C
Qualifications
1 40 (9.83%) Degree
2 34 (8.35%) Computer Science Degree
3 4 (0.98%) Master's Degree
4 1 (0.25%) AWS Certification
4 1 (0.25%) ISEB
4 1 (0.25%) ISTQB
4 1 (0.25%) PMI Certification
4 1 (0.25%) PMP
4 1 (0.25%) PRINCE2 Certification
Quality Assurance & Compliance
1 31 (7.62%) QA
2 5 (1.23%) PCI DSS
3 2 (0.49%) Data Quality
4 1 (0.25%) SLA
4 1 (0.25%) WAI
4 1 (0.25%) WCAG
System Software
1 89 (21.87%) Docker
2 4 (0.98%) VMware Infrastructure
3 3 (0.74%) KVM
4 2 (0.49%) Virtual Machines
5 1 (0.25%) ACF2
5 1 (0.25%) Active Directory
5 1 (0.25%) RACF
Systems Management
1 50 (12.29%) Kubernetes
2 11 (2.70%) Terraform
3 8 (1.97%) Ansible
4 5 (1.23%) Packer
5 4 (0.98%) Docker Swarm
5 4 (0.98%) Rancher
6 3 (0.74%) Prometheus
7 2 (0.49%) CA Single Sign-On
7 2 (0.49%) Single Sign-On
8 1 (0.25%) HP ALM
Vendors
1 55 (13.51%) Microsoft
2 39 (9.58%) Google
3 20 (4.91%) Oracle
4 18 (4.42%) Salesforce.com
5 8 (1.97%) MuleSoft
5 8 (1.97%) Zend
6 6 (1.47%) Tableau
6 6 (1.47%) Xamarin
7 4 (0.98%) VMware
8 3 (0.74%) SAP
9 2 (0.49%) CA
9 2 (0.49%) Kony
9 2 (0.49%) Okta
9 2 (0.49%) Ping Identity
10 1 (0.25%) Avid
10 1 (0.25%) Conga
10 1 (0.25%) DocuSign
10 1 (0.25%) New Relic
10 1 (0.25%) Spotify
10 1 (0.25%) Workday