Period
to 17 April 2021

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 17 April 2021 with a comparison to the same period in the previous 2 years.

Representational State Transfer (REST)
Central London > City of London
6 months to
17 Apr 2021
Same period 2020 Same period 2019
Rank 71 61 70
Rank change year-on-year -10 +9 -8
Permanent jobs citing REST 204 340 409
As % of all permanent jobs advertised in the City of London 4.15% 4.08% 4.00%
As % of the Libraries, Frameworks & Software Standards category 9.94% 10.58% 9.49%
Number of salaries quoted 180 294 356
10th Percentile £42,250 £42,650 £38,750
25th Percentile £56,250 £47,813 £53,750
Median annual salary (50th Percentile) £70,000 £65,000 £70,000
Median % change year-on-year +7.69% -7.14% +7.69%
75th Percentile £83,750 £81,250 £85,000
90th Percentile £95,000 £92,500 £95,000
Central London median annual salary £70,000 £70,000 £70,000

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 2,052 3,213 4,311
As % of all permanent IT jobs advertised in the City of London 41.77% 38.59% 42.14%
Number of salaries quoted 1,860 2,864 3,883
10th Percentile £45,000 £45,000 £42,500
25th Percentile £57,500 £53,750 £52,500
Median annual salary (50th Percentile) £75,000 £70,000 £67,500
Median % change year-on-year +7.14% +3.70% +3.85%
75th Percentile £88,750 £85,000 £82,500
90th Percentile £105,000 £97,500 £95,000
Central London median annual salary £72,500 £70,000 £67,500
% change year-on-year +3.57% +3.70% +8.00%

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
Salary Trend in the City of London

3-month moving average salary quoted in 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

Salary distribution for jobs citing REST in the City of London over the 6 months to 17 April 2021.

Salary histogram for REST in the City of London

For the 6 months to 17 April 2021, 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 85 (41.67%) JavaScript
2 77 (37.75%) Java
3 66 (32.35%) Agile Software Development
4 60 (29.41%) .NET
5 59 (28.92%) Fintech
6 58 (28.43%) Microservices
7 55 (26.96%) Web Services
7 55 (26.96%) Finance
8 50 (24.51%) JSON
8 50 (24.51%) DevOps
9 49 (24.02%) Test Automation
10 48 (23.53%) C#
10 48 (23.53%) AngularJS
11 47 (23.04%) SQL
12 46 (22.55%) AWS
13 42 (20.59%) SQL Server
13 42 (20.59%) React
14 37 (18.14%) OO
15 36 (17.65%) TDD
15 36 (17.65%) Jenkins
16 35 (17.16%) Python
16 35 (17.16%) HTML
17 34 (16.67%) Azure
18 33 (16.18%) Relational Database
19 32 (15.69%) MVC
20 31 (15.20%) Docker
21 30 (14.71%) SOAP
21 30 (14.71%) Selenium
22 29 (14.22%) CSS
23 28 (13.73%) Scrum

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 8 (3.92%) Moodle
2 4 (1.96%) Confluence
2 4 (1.96%) Elasticsearch
3 3 (1.47%) Appian
3 3 (1.47%) Camunda
3 3 (1.47%) GlassFish
3 3 (1.47%) JBoss
3 3 (1.47%) SharePoint
3 3 (1.47%) WebSphere
4 2 (0.98%) Tomcat
5 1 (0.49%) BizTalk Server
5 1 (0.49%) CMS
5 1 (0.49%) IIS
5 1 (0.49%) Umbraco
Business Applications
1 3 (1.47%) Dynamics CRM
1 3 (1.47%) IBM Operational Decision Manager
2 2 (0.98%) Magento
Cloud Services
1 46 (22.55%) AWS
2 34 (16.67%) Azure
3 18 (8.82%) Serverless
4 12 (5.88%) AWS Lambda
5 9 (4.41%) GCP
6 8 (3.92%) Amazon EC2
6 8 (3.92%) SaaS
7 7 (3.43%) AWS Fargate
7 7 (3.43%) GitHub
8 6 (2.94%) Amazon Kinesis
9 5 (2.45%) Dynamics 365
9 5 (2.45%) Logic Apps
9 5 (2.45%) npm
9 5 (2.45%) Power Automate
9 5 (2.45%) Power Platform
9 5 (2.45%) PowerApps
10 4 (1.96%) Azure Functions
10 4 (1.96%) PaaS
11 3 (1.47%) IaaS
11 3 (1.47%) NuGet
Communications & Networking
1 16 (7.84%) HTTP
2 2 (0.98%) Internet
3 1 (0.49%) AMQP
3 1 (0.49%) HTTPS
Database & Business Intelligence
1 42 (20.59%) SQL Server
2 33 (16.18%) Relational Database
3 16 (7.84%) PostgreSQL
4 15 (7.35%) MongoDB
5 14 (6.86%) NoSQL
6 12 (5.88%) Big Data
6 12 (5.88%) MySQL
7 11 (5.39%) Redis
8 7 (3.43%) RDBMS
9 3 (1.47%) Hadoop
9 3 (1.47%) Oracle Database
9 3 (1.47%) Oracle Database 12c
9 3 (1.47%) Power BI
10 2 (0.98%) Amazon RDS
10 2 (0.98%) Event Store
10 2 (0.98%) SQL Server Integration Services
10 2 (0.98%) SQL Server Reporting Services
11 1 (0.49%) Aerospike
11 1 (0.49%) BigQuery
11 1 (0.49%) Blockchain
Development Applications
1 36 (17.65%) Jenkins
2 30 (14.71%) Selenium
3 26 (12.75%) Cucumber
4 25 (12.25%) Git (software)
5 15 (7.35%) webpack
6 14 (6.86%) Postman
7 11 (5.39%) Appium
7 11 (5.39%) TeamCity
8 10 (4.90%) Team Foundation Server
9 7 (3.43%) Atlassian Bamboo
9 7 (3.43%) Calabash
9 7 (3.43%) JUnit
10 6 (2.94%) Cypress.io
10 6 (2.94%) Octopus Deploy
10 6 (2.94%) Visual Studio Coded UI
11 5 (2.45%) GitLab
11 5 (2.45%) JIRA
12 4 (1.96%) JMeter
12 4 (1.96%) NUnit
12 4 (1.96%) Visual Studio
General
1 55 (26.96%) Finance
2 17 (8.33%) Banking
3 5 (2.45%) Advertising
3 5 (2.45%) Marketing
4 4 (1.96%) Public Sector
4 4 (1.96%) Retail
5 3 (1.47%) Financial Institution
6 2 (0.98%) Games
6 2 (0.98%) Housing Association
6 2 (0.98%) Publishing
7 1 (0.49%) Back Office
7 1 (0.49%) Front Office
7 1 (0.49%) Pharmaceutical
Job Titles
1 133 (65.20%) Developer
2 33 (16.18%) Senior Developer
3 27 (13.24%) Java Developer
4 25 (12.25%) .NET Developer
5 22 (10.78%) Salesforce Developer
6 20 (9.80%) C# Developer
6 20 (9.80%) Lead Developer
7 18 (8.82%) Python Developer
8 16 (7.84%) Junior
9 13 (6.37%) Full Stack Developer
10 12 (5.88%) Junior Developer
10 12 (5.88%) Software Developer
11 11 (5.39%) Senior Python Developer
12 10 (4.90%) Architect
12 10 (4.90%) Automation Tester
12 10 (4.90%) Tester
13 9 (4.41%) C# .NET Developer
13 9 (4.41%) Lead Java Developer
13 9 (4.41%) Senior Java Developer
13 9 (4.41%) Senior Software Developer
Libraries, Frameworks & Software Standards
1 60 (29.41%) .NET
2 55 (26.96%) Web Services
3 50 (24.51%) JSON
4 48 (23.53%) AngularJS
5 42 (20.59%) React
6 35 (17.16%) HTML
7 30 (14.71%) SOAP
8 29 (14.22%) CSS
9 24 (11.76%) Kafka
10 22 (10.78%) ASP.NET
10 22 (10.78%) Node.js
10 22 (10.78%) Spring
10 22 (10.78%) XML
11 21 (10.29%) .NET Core
11 21 (10.29%) Redux
11 21 (10.29%) Spring Boot
12 16 (7.84%) Sass
13 15 (7.35%) .NET Framework
13 15 (7.35%) ASP.NET Web API
13 15 (7.35%) Visualforce
Miscellaneous
1 10 (4.90%) Data Structures
2 9 (4.41%) Greenfield Project
3 8 (3.92%) Hedge funds
3 8 (3.92%) Video on Demand
4 4 (1.96%) Clustering
4 4 (1.96%) Foreign Exchange (FX)
4 4 (1.96%) Mobile App
5 3 (1.47%) Blog
5 3 (1.47%) Enterprise Software
5 3 (1.47%) Fixed Income
5 3 (1.47%) Social Media
6 2 (0.98%) Cloud Native
6 2 (0.98%) Derivative
6 2 (0.98%) Equity Derivative
6 2 (0.98%) Private Cloud
7 1 (0.49%) e-Learning
7 1 (0.49%) Linux Command Line
7 1 (0.49%) Mobile Payment
7 1 (0.49%) Reinsurance
7 1 (0.49%) SCORM
Operating Systems
1 5 (2.45%) Windows
2 4 (1.96%) Apple iOS
2 4 (1.96%) Linux
3 1 (0.49%) Android
Processes & Methodologies
1 66 (32.35%) Agile Software Development
2 59 (28.92%) Fintech
3 58 (28.43%) Microservices
4 50 (24.51%) DevOps
5 49 (24.02%) Test Automation
6 37 (18.14%) OO
7 36 (17.65%) TDD
8 32 (15.69%) MVC
9 28 (13.73%) API Testing
9 28 (13.73%) Scrum
9 28 (13.73%) SDET
10 27 (13.24%) Computer Science
11 24 (11.76%) Software Engineering
12 22 (10.78%) SDLC
13 21 (10.29%) SOLID
14 19 (9.31%) API Integration
15 17 (8.33%) Continuous Integration
16 16 (7.84%) Problem-Solving
17 15 (7.35%) Asset Management
17 15 (7.35%) CRM
Programming Languages
1 85 (41.67%) JavaScript
2 77 (37.75%) Java
3 48 (23.53%) C#
4 47 (23.04%) SQL
5 35 (17.16%) Python
6 25 (12.25%) TypeScript
7 15 (7.35%) Apex Code
8 13 (6.37%) Java 8
9 11 (5.39%) PHP
9 11 (5.39%) SOQL
10 6 (2.94%) C
10 6 (2.94%) PowerShell
11 4 (1.96%) Apple Swift
11 4 (1.96%) Kotlin
11 4 (1.96%) T-SQL
12 3 (1.47%) Scala
13 2 (0.98%) F#
14 1 (0.49%) ES6
14 1 (0.49%) Go
14 1 (0.49%) Ruby
Qualifications
1 18 (8.82%) Degree
2 12 (5.88%) ISEB
2 12 (5.88%) ISTQB
3 11 (5.39%) Computer Science Degree
4 10 (4.90%) Master's Degree
5 3 (1.47%) SC Cleared
5 3 (1.47%) Security Cleared
Quality Assurance & Compliance
1 17 (8.33%) QA
2 2 (0.98%) PSD2
3 1 (0.49%) Data Quality
System Software
1 31 (15.20%) Docker
Systems Management
1 13 (6.37%) Kubernetes
2 3 (1.47%) Opscode Chef
3 2 (0.98%) Grafana
3 2 (0.98%) Kibana
3 2 (0.98%) logstash
4 1 (0.49%) MIIS
Vendors
1 23 (11.27%) Salesforce.com
2 11 (5.39%) Microsoft
3 6 (2.94%) Google
3 6 (2.94%) Oracle
4 3 (1.47%) IBM
5 2 (0.98%) Pega
6 1 (0.49%) Apple
6 1 (0.49%) Dell
6 1 (0.49%) DevExpress
6 1 (0.49%) MuleSoft
6 1 (0.49%) Nintex
6 1 (0.49%) ServiceNow