Period
to 20 April 2021

The following table provides summary statistics for permanent job vacancies advertised in the City of London with a requirement for RESTful skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited RESTful over the 6 months to 20 April 2021 with a comparison to the same period in the previous 2 years.

RESTful
Central London > City of London
6 months to
20 Apr 2021
Same period 2020 Same period 2019
Rank 145 101 62
Rank change year-on-year -44 -39 +14
Permanent jobs citing RESTful 93 239 432
As % of all permanent jobs advertised in the City of London 1.90% 2.90% 4.22%
As % of the Libraries, Frameworks & Software Standards category 4.61% 7.54% 10.08%
Number of salaries quoted 87 224 405
10th Percentile £39,400 £46,250 £45,000
25th Percentile £57,500 £53,750 £55,000
Median annual salary (50th Percentile) £67,500 £72,500 £65,000
Median % change year-on-year -6.90% +11.54% -
75th Percentile £82,500 £85,000 £78,750
90th Percentile £104,500 £92,500 £83,750
Central London median annual salary £68,750 £72,500 £65,000
% change year-on-year -5.17% +11.54% +4.00%

RESTful 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 2,018 3,170 4,287
As % of all permanent IT jobs advertised in the City of London 41.17% 38.45% 41.87%
Number of salaries quoted 1,829 2,823 3,863
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%

RESTful
Job Vacancy Trend in the City of London

Job postings citing RESTful as a proportion of all IT jobs advertised in the City of London.

Job vacancy trend for RESTful in the City of London

RESTful
Salary Trend in the City of London

3-month moving average salary quoted in jobs citing RESTful in the City of London.

Salary trend for RESTful in the City of London

RESTful
Salary Histogram in the City of London

Salary distribution for jobs citing RESTful in the City of London over the 6 months to 20 April 2021.

Salary histogram for RESTful in the City of London

For the 6 months to 20 April 2021, IT jobs citing RESTful 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 RESTful.

1 54 (58.06%) Java
2 53 (56.99%) Agile Software Development
3 46 (49.46%) C#
4 43 (46.24%) DevOps
4 43 (46.24%) Microservices
5 40 (43.01%) Finance
5 40 (43.01%) JavaScript
6 39 (41.94%) SQL
7 34 (36.56%) Python
7 34 (36.56%) Azure
8 32 (34.41%) Docker
8 32 (34.41%) AngularJS
8 32 (34.41%) HTML
8 32 (34.41%) CSS
9 30 (32.26%) NoSQL
9 30 (32.26%) React
10 28 (30.11%) AWS
11 27 (29.03%) Node.js
11 27 (29.03%) Git (software)
12 26 (27.96%) HTML5
12 26 (27.96%) TypeScript
12 26 (27.96%) OO
13 25 (26.88%) Kubernetes
14 23 (24.73%) PHP
15 22 (23.66%) Degree
15 22 (23.66%) Computer Science
15 22 (23.66%) Apache Spark
15 22 (23.66%) Open Source
16 20 (21.51%) Scala
16 20 (21.51%) Spring

RESTful
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 22 (23.66%) Apache Spark
2 6 (6.45%) Confluence
3 5 (5.38%) WebSphere
4 3 (3.23%) GlassFish
4 3 (3.23%) JBoss
5 2 (2.15%) CMS
5 2 (2.15%) EPiServer
5 2 (2.15%) SugarCRM
6 1 (1.08%) Elasticsearch
6 1 (1.08%) Oracle SOA Suite
6 1 (1.08%) WordPress
Applications
1 1 (1.08%) Microsoft Excel
Business Applications
1 3 (3.23%) IBM Operational Decision Manager
Cloud Services
1 34 (36.56%) Azure
2 28 (30.11%) AWS
3 5 (5.38%) GCP
3 5 (5.38%) GitHub
3 5 (5.38%) SaaS
4 3 (3.23%) Apple Pay
4 3 (3.23%) Azure Cosmos DB
4 3 (3.23%) Google Pay
4 3 (3.23%) Lucidchart
5 1 (1.08%) AWS Lambda
5 1 (1.08%) Azure App Service
5 1 (1.08%) Cloud Computing
5 1 (1.08%) npm
5 1 (1.08%) Serverless
Communications & Networking
1 6 (6.45%) HTTP
2 2 (2.15%) AMQP
Database & Business Intelligence
1 30 (32.26%) NoSQL
2 19 (20.43%) Hadoop
3 18 (19.35%) Big Data
4 17 (18.28%) Apache Hive
5 12 (12.90%) MySQL
6 10 (10.75%) SQL Server
7 7 (7.53%) PostgreSQL
8 5 (5.38%) Azure SQL Database
8 5 (5.38%) Relational Database
9 3 (3.23%) CockroachDB
9 3 (3.23%) MongoDB
9 3 (3.23%) SQL Server 2012
10 2 (2.15%) MariaDB
10 2 (2.15%) RDBMS
11 1 (1.08%) Aerospike
11 1 (1.08%) Redis
Development Applications
1 27 (29.03%) Git (software)
2 16 (17.20%) Jenkins
3 9 (9.68%) JIRA
4 7 (7.53%) Selenium
5 6 (6.45%) Bitbucket
5 6 (6.45%) JUnit
5 6 (6.45%) Mockito
5 6 (6.45%) TeamCity
6 5 (5.38%) Cucumber
6 5 (5.38%) GitLab
6 5 (5.38%) Visual Studio
7 4 (4.30%) Cypress.io
7 4 (4.30%) NUnit
7 4 (4.30%) SpecFlow
8 3 (3.23%) Apache Archiva
8 3 (3.23%) Appium
8 3 (3.23%) Artifactory
8 3 (3.23%) Atlassian Bamboo
8 3 (3.23%) Sonatype Nexus
8 3 (3.23%) Visual Studio Team System
General
1 40 (43.01%) Finance
2 13 (13.98%) Banking
3 6 (6.45%) Retail
4 3 (3.23%) Brand Awareness
4 3 (3.23%) Front Office
4 3 (3.23%) Housing Association
4 3 (3.23%) Marketing
5 2 (2.15%) Games
6 1 (1.08%) Electronics
6 1 (1.08%) Legal
6 1 (1.08%) Manufacturing
6 1 (1.08%) Public Sector
6 1 (1.08%) Telecoms
Job Titles
1 45 (48.39%) Developer
2 25 (26.88%) Java Developer
3 12 (12.90%) Senior Developer
4 9 (9.68%) Automation Engineer
5 7 (7.53%) .NET Developer
5 7 (7.53%) C# Developer
5 7 (7.53%) Java Engineer
5 7 (7.53%) Quality Engineer
6 6 (6.45%) JavaScript Engineer
6 6 (6.45%) Senior Java Developer
7 5 (5.38%) Full Stack Developer
7 5 (5.38%) Software Engineer
8 4 (4.30%) Development Manager
8 4 (4.30%) React Developer
8 4 (4.30%) Senior Java Engineer
9 3 (3.23%) Azure Developer
9 3 (3.23%) C# .NET Developer
9 3 (3.23%) Data Engineer
9 3 (3.23%) Java Developer - Fintech
9 3 (3.23%) Principal Engineer
Libraries, Frameworks & Software Standards
1 32 (34.41%) AngularJS
1 32 (34.41%) CSS
1 32 (34.41%) HTML
2 30 (32.26%) React
3 27 (29.03%) Node.js
4 26 (27.96%) HTML5
5 20 (21.51%) Spring
6 16 (17.20%) .NET
7 15 (16.13%) Spring Boot
8 10 (10.75%) Kafka
8 10 (10.75%) Twitter Bootstrap
8 10 (10.75%) Vue.js
8 10 (10.75%) Web Services
9 9 (9.68%) CSS3
9 9 (9.68%) JSON
10 8 (8.60%) GraphQL
10 8 (8.60%) jQuery
11 7 (7.53%) ASP.NET
11 7 (7.53%) ASP.NET Web API
12 6 (6.45%) Apache Camel
Miscellaneous
1 11 (11.83%) Greenfield Project
2 8 (8.60%) User Experience
3 5 (5.38%) Mobile App
4 4 (4.30%) Analytical Skills
4 4 (4.30%) Video\Live Streaming
5 3 (3.23%) Blog
5 3 (3.23%) Cloud Native
5 3 (3.23%) Enterprise Software
5 3 (3.23%) Media Streaming
5 3 (3.23%) Social Media
6 2 (2.15%) Hedge funds
6 2 (2.15%) Linux Command Line
7 1 (1.08%) Algorithms
7 1 (1.08%) Cyberthreat
7 1 (1.08%) Data Structures
7 1 (1.08%) Over-the-Top Content
7 1 (1.08%) Smartphone
7 1 (1.08%) Video on Demand
Operating Systems
1 2 (2.15%) Linux
1 2 (2.15%) Red Hat Enterprise Linux
1 2 (2.15%) Unix
2 1 (1.08%) Android
2 1 (1.08%) Apple iOS
2 1 (1.08%) Windows
Processes & Methodologies
1 53 (56.99%) Agile Software Development
2 43 (46.24%) DevOps
2 43 (46.24%) Microservices
3 26 (27.96%) OO
4 22 (23.66%) Computer Science
4 22 (23.66%) Open Source
5 20 (21.51%) Project Delivery
6 17 (18.28%) Artificial Intelligence
6 17 (18.28%) Test Automation
7 16 (17.20%) TDD
8 15 (16.13%) Pair Programming
9 14 (15.05%) Scrum
10 11 (11.83%) Software Engineering
11 10 (10.75%) Continuous Integration
11 10 (10.75%) E-Commerce
11 10 (10.75%) SOLID
12 9 (9.68%) BDD
12 9 (9.68%) Fintech
12 9 (9.68%) Mentoring
12 9 (9.68%) MVC
Programming Languages
1 54 (58.06%) Java
2 46 (49.46%) C#
3 40 (43.01%) JavaScript
4 39 (41.94%) SQL
5 34 (36.56%) Python
6 26 (27.96%) TypeScript
7 23 (24.73%) PHP
8 20 (21.51%) Scala
9 18 (19.35%) ES6
10 17 (18.28%) Java 8
10 17 (18.28%) Kotlin
11 3 (3.23%) PowerShell
12 2 (2.15%) PHP 7
13 1 (1.08%) Elixir
13 1 (1.08%) Erlang
13 1 (1.08%) PL/SQL
13 1 (1.08%) VBA
Qualifications
1 22 (23.66%) Degree
2 20 (21.51%) Computer Science Degree
3 2 (2.15%) PhD
Quality Assurance & Compliance
1 8 (8.60%) QA
System Software
1 32 (34.41%) Docker
2 3 (3.23%) OpenAM
2 3 (3.23%) OpenDJ
Systems Management
1 25 (26.88%) Kubernetes
2 4 (4.30%) Ansible
3 3 (3.23%) Docker Swarm
3 3 (3.23%) Opscode Chef
3 3 (3.23%) Rancher
4 2 (2.15%) Packer
4 2 (2.15%) Terraform
Vendors
1 10 (10.75%) Microsoft
2 5 (5.38%) IBM
3 4 (4.30%) Oracle
4 3 (3.23%) Atlassian
4 3 (3.23%) ForgeRock
4 3 (3.23%) Google
5 2 (2.15%) Cisco
5 2 (2.15%) Remedy
6 1 (1.08%) SAP
6 1 (1.08%) VMware
6 1 (1.08%) Zend