Period
to 25 October 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 25 October 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
25 Oct 2021
Same period 2020 Same period 2019
Rank 49 44 73
Rank change year-on-year -5 +29 -5
Permanent jobs citing REST 333 215 401
As % of all permanent jobs advertised in the City of London 5.58% 5.95% 4.03%
As % of the Libraries, Frameworks & Software Standards category 13.90% 13.62% 10.38%
Number of salaries quoted 310 162 360
10th Percentile £50,000 £50,000 £44,000
25th Percentile £53,750 £55,875 £55,000
Median annual salary (50th Percentile) £67,500 £67,000 £72,500
Median % change year-on-year +0.75% -7.59% +3.57%
75th Percentile £90,000 £89,063 £85,000
90th Percentile £106,250 £95,000 £92,500
Central London median annual salary £67,500 £67,500 £72,500
% change year-on-year - -6.90% +3.57%

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 2,396 1,579 3,864
As % of all permanent IT jobs advertised in the City of London 40.15% 43.70% 38.80%
Number of salaries quoted 2,159 1,407 3,490
10th Percentile £48,750 £47,500 £45,000
25th Percentile £57,500 £57,500 £55,000
Median annual salary (50th Percentile) £75,000 £70,000 £70,000
Median % change year-on-year +7.14% - +7.69%
75th Percentile £95,000 £86,250 £85,000
90th Percentile £110,000 £103,750 £95,000
Central London median annual salary £75,000 £70,000 £70,000
% change year-on-year +7.14% - +7.69%

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 25 October 2021.

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 25 October 2021. 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 0 5 £80,000 +16.36%
REST
Central London

For the 6 months to 25 October 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.

1 155 (46.55%) QA
2 150 (45.05%) Java
3 148 (44.44%) Jenkins
4 139 (41.74%) JavaScript
5 138 (41.44%) API Testing
6 137 (41.14%) Postman
7 117 (35.14%) Selenium
8 116 (34.83%) Agile Software Development
9 114 (34.23%) Cucumber
10 95 (28.53%) C#
11 83 (24.92%) Git (software)
12 79 (23.72%) Test Automation
13 74 (22.22%) AngularJS
14 69 (20.72%) Microservices
14 69 (20.72%) React
15 68 (20.42%) Test Strategy
16 67 (20.12%) .NET
16 67 (20.12%) Full Stack Development
17 63 (18.92%) SOAP
18 60 (18.02%) SQL
19 58 (17.42%) SQL Server
20 53 (15.92%) Finance
21 50 (15.02%) Web Services
21 50 (15.02%) SDET
22 46 (13.81%) Python
22 46 (13.81%) TeamCity
23 44 (13.21%) .NET Framework
24 41 (12.31%) ASP.NET
24 41 (12.31%) Azure
25 37 (11.11%) Kubernetes

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 28 (8.41%) Confluence
2 4 (1.20%) Oracle Coherence
3 3 (0.90%) Ethereum
4 2 (0.60%) Geth
4 2 (0.60%) Hyperledger
4 2 (0.60%) Jetty
5 1 (0.30%) Appian
5 1 (0.30%) CMS
5 1 (0.30%) GlassFish
5 1 (0.30%) JBoss
5 1 (0.30%) OpenStack
5 1 (0.30%) WebSphere
Applications
1 13 (3.90%) Microsoft Office
2 2 (0.60%) MS Visio
3 1 (0.30%) Zeplin
Business Applications
1 6 (1.80%) Salesforce.com CRM
2 3 (0.90%) Distributed Ledger
2 3 (0.90%) Dynamics AX
3 1 (0.30%) IBM Operational Decision Manager
3 1 (0.30%) Oracle BPM
3 1 (0.30%) Payment Gateway
3 1 (0.30%) Relativity
3 1 (0.30%) Temenos T24
Cloud Services
1 41 (12.31%) Azure
2 20 (6.01%) AWS
2 20 (6.01%) SaaS
3 17 (5.11%) GCP
4 10 (3.00%) BrowserStack
5 8 (2.40%) Salesforce Service Cloud
6 7 (2.10%) Cloud Computing
7 6 (1.80%) GitHub
8 5 (1.50%) PaaS
9 4 (1.20%) Serverless
10 3 (0.90%) Amazon ECS
10 3 (0.90%) Amazon Kinesis
10 3 (0.90%) Apigee
10 3 (0.90%) AWS CloudFormation
10 3 (0.90%) Dynamics 365
10 3 (0.90%) IaaS
10 3 (0.90%) Salesforce Sales Cloud
11 2 (0.60%) Amazon ElastiCache
11 2 (0.60%) Lucidchart
11 2 (0.60%) OpenShift
Communications & Networking
1 16 (4.80%) HTTP
2 3 (0.90%) DNS
3 2 (0.60%) AMQP
3 2 (0.60%) Firewall
3 2 (0.60%) SMTP
3 2 (0.60%) SSH
4 1 (0.30%) Internet
4 1 (0.30%) SSL
4 1 (0.30%) TCP/IP
4 1 (0.30%) VoIP
Database & Business Intelligence
1 58 (17.42%) SQL Server
2 29 (8.71%) Blockchain
3 22 (6.61%) SQL Server 2008
4 10 (3.00%) NoSQL
4 10 (3.00%) Relational Database
5 9 (2.70%) MongoDB
6 8 (2.40%) Big Data
6 8 (2.40%) Hadoop
7 6 (1.80%) MySQL
8 4 (1.20%) RDBMS
9 3 (0.90%) Oracle Database
9 3 (0.90%) PostgreSQL
10 2 (0.60%) SQL Server Reporting Services
11 1 (0.30%) BigQuery
11 1 (0.30%) Hazelcast
11 1 (0.30%) Infinispan
11 1 (0.30%) Power BI
11 1 (0.30%) Redis
11 1 (0.30%) SQL Server Analysis Services
11 1 (0.30%) SQL Server Integration Services
Development Applications
1 148 (44.44%) Jenkins
2 137 (41.14%) Postman
3 117 (35.14%) Selenium
4 114 (34.23%) Cucumber
5 83 (24.92%) Git (software)
6 46 (13.81%) TeamCity
7 37 (11.11%) Cypress.io
8 31 (9.31%) JIRA
9 23 (6.91%) Robot Framework
9 23 (6.91%) SpecFlow
10 19 (5.71%) JUnit
11 17 (5.11%) CircleCI
12 15 (4.50%) Protractor
13 12 (3.60%) Atlassian Bamboo
14 10 (3.00%) Jasmine
14 10 (3.00%) JMeter
15 9 (2.70%) Maven
16 8 (2.40%) REST Assured
16 8 (2.40%) WebDriver
17 7 (2.10%) Bitbucket
General
1 53 (15.92%) Finance
2 20 (6.01%) Banking
2 20 (6.01%) Games
3 16 (4.80%) Retail
4 11 (3.30%) Social Skills
5 7 (2.10%) Advertising
6 5 (1.50%) Legal
6 5 (1.50%) Pharmaceutical
7 4 (1.20%) Law
7 4 (1.20%) Marketing
7 4 (1.20%) Presentation Skills
8 3 (0.90%) Financial Institution
8 3 (0.90%) Telecoms
9 2 (0.60%) Analytical Skills
9 2 (0.60%) Back Office
10 1 (0.30%) Front Office
10 1 (0.30%) Investment Banking
10 1 (0.30%) Public Speaking
Job Titles
1 123 (36.94%) Developer
2 70 (21.02%) QA Engineer
3 52 (15.62%) Senior QA Engineer
4 42 (12.61%) .NET Developer
5 34 (10.21%) Senior Developer
6 27 (8.11%) Test Engineer
7 22 (6.61%) Java Engineer
8 20 (6.01%) Games Engineer
9 19 (5.71%) Full Stack Developer
9 19 (5.71%) Java Developer
9 19 (5.71%) Senior Test Engineer
10 17 (5.11%) Lead Developer
11 15 (4.50%) C# Developer
12 12 (3.60%) Angular Developer
12 12 (3.60%) Blockchain Engineer
12 12 (3.60%) E-Commerce Engineer
12 12 (3.60%) Quality Engineer
12 12 (3.60%) Senior Quality Engineer
13 11 (3.30%) Automation Engineer
13 11 (3.30%) C# .NET Developer
Libraries, Frameworks & Software Standards
1 74 (22.22%) AngularJS
2 69 (20.72%) React
3 67 (20.12%) .NET
4 63 (18.92%) SOAP
5 50 (15.02%) Web Services
6 44 (13.21%) .NET Framework
7 41 (12.31%) ASP.NET
8 36 (10.81%) Entity Framework
9 32 (9.61%) Spring
9 32 (9.61%) Vue.js
10 30 (9.01%) .NET Core
10 30 (9.01%) JSON
11 29 (8.71%) HTML
12 26 (7.81%) Spring Boot
13 25 (7.51%) jQuery
14 24 (7.21%) Node.js
15 23 (6.91%) LINQ
15 23 (6.91%) WCF
16 22 (6.61%) WinForms
17 20 (6.01%) Gherkin
Miscellaneous
1 21 (6.31%) Equities
2 17 (5.11%) Public Cloud
2 17 (5.11%) User Experience
3 14 (4.20%) Clustering
4 13 (3.90%) Greenfield Project
5 9 (2.70%) Foreign Exchange (FX)
6 7 (2.10%) Enterprise Software
7 6 (1.80%) Hedge funds
7 6 (1.80%) Mobile App
8 5 (1.50%) Data Structures
8 5 (1.50%) Marketing Technology
9 4 (1.20%) N-Tier
9 4 (1.20%) Video on Demand
9 4 (1.20%) Video\Live Streaming
10 3 (0.90%) Cloud Native
10 3 (0.90%) Legacy Systems
10 3 (0.90%) Private Cloud
11 2 (0.60%) Management Information System
12 1 (0.30%) Derivative
12 1 (0.30%) Grid Computing
Operating Systems
1 14 (4.20%) Windows
2 13 (3.90%) Linux
3 2 (0.60%) Android
3 2 (0.60%) Apple iOS
3 2 (0.60%) Mac OS X
4 1 (0.30%) Unix
Processes & Methodologies
1 138 (41.44%) API Testing
2 116 (34.83%) Agile Software Development
3 79 (23.72%) Test Automation
4 69 (20.72%) Microservices
5 68 (20.42%) Test Strategy
6 67 (20.12%) Full Stack Development
7 50 (15.02%) SDET
8 36 (10.81%) TDD
9 35 (10.51%) Fintech
10 32 (9.61%) Clean Code
10 32 (9.61%) Front End Development
11 31 (9.31%) Mentoring
11 31 (9.31%) Software Testing
12 27 (8.11%) Decision-Making
12 27 (8.11%) OO
13 24 (7.21%) Unit Testing
14 23 (6.91%) QA Automation
14 23 (6.91%) Re-Platforming
15 22 (6.61%) DevOps
15 22 (6.61%) Information Security
Programming Languages
1 150 (45.05%) Java
2 139 (41.74%) JavaScript
3 95 (28.53%) C#
4 60 (18.02%) SQL
5 46 (13.81%) Python
6 33 (9.91%) TypeScript
7 22 (6.61%) VB
8 17 (5.11%) Groovy
9 16 (4.80%) Scala
10 11 (3.30%) Kotlin
11 9 (2.70%) Apex Code
12 7 (2.10%) Go
13 6 (1.80%) Ruby
14 4 (1.20%) C++
15 3 (0.90%) PHP
15 3 (0.90%) Shell Script
15 3 (0.90%) SOQL
16 2 (0.60%) PL/SQL
16 2 (0.60%) PowerShell
16 2 (0.60%) Solidity
Qualifications
1 6 (1.80%) Degree
2 2 (0.60%) DBS Check
3 1 (0.30%) CEH
3 1 (0.30%) CISA
3 1 (0.30%) CISSP
3 1 (0.30%) Computer Science Degree
3 1 (0.30%) EC-Council LPT
3 1 (0.30%) ECSA
3 1 (0.30%) ISEB
3 1 (0.30%) ISTQB
3 1 (0.30%) Master's Degree
3 1 (0.30%) SANS
Quality Assurance & Compliance
1 155 (46.55%) QA
2 3 (0.90%) Accessibility
2 3 (0.90%) Data Quality
2 3 (0.90%) PMO
3 1 (0.30%) HIPAA
3 1 (0.30%) ISO/IEC 27001
3 1 (0.30%) PCI DSS
3 1 (0.30%) PSD2
3 1 (0.30%) Sarbanes-Oxley
System Software
1 29 (8.71%) Docker
2 1 (0.30%) Active Directory
2 1 (0.30%) Hyper-V
2 1 (0.30%) VMware Infrastructure
Systems Management
1 37 (11.11%) Kubernetes
2 2 (0.60%) Terraform
3 1 (0.30%) Automic
3 1 (0.30%) Grafana
3 1 (0.30%) HP Fortify
3 1 (0.30%) Nessus
3 1 (0.30%) Opscode Chef
3 1 (0.30%) Prometheus
3 1 (0.30%) WebInspect
Vendors
1 22 (6.61%) Atlassian
2 19 (5.71%) Microsoft
3 15 (4.50%) Google
3 15 (4.50%) Salesforce.com
4 9 (2.70%) Oracle
5 3 (0.90%) MuleSoft
5 3 (0.90%) Solace
6 2 (0.60%) OpenText
7 1 (0.30%) Dynatrace
7 1 (0.30%) IBM
7 1 (0.30%) Pega
7 1 (0.30%) Qualys
7 1 (0.30%) VMware