Period
to 22 January 2022

The following table provides summary statistics for permanent job vacancies advertised in the City of London with a requirement for API Design skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited API Design over the 6 months to 22 January 2022 with a comparison to the same period in the previous 2 years.

API Design
Central London > City of London
6 months to
22 Jan 2022
Same period 2021 Same period 2020
Rank 226 192 249
Rank change year-on-year -34 +57 -2
Permanent jobs citing API Design 28 27 57
As % of all permanent jobs advertised in the City of London 0.45% 0.63% 0.62%
As % of the Processes & Methodologies category 0.48% 0.66% 0.66%
Number of salaries quoted 28 23 56
10th Percentile £63,375 £56,500 £58,125
25th Percentile £73,125 £57,500 £62,188
Median annual salary (50th Percentile) £87,500 £67,500 £72,500
Median % change year-on-year +29.63% -6.90% -
75th Percentile £100,625 £75,000 £87,500
90th Percentile £104,875 £81,500 £96,250
Central London median annual salary £90,000 £65,000 £73,750
% change year-on-year +38.46% -11.86% +1.72%

API Design is in the Processes and Methodologies 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 process or methodology skills.

All Process and Methodology Skills
City of London
Permanent vacancies with a requirement for process or methodology skills 5,811 4,102 8,668
As % of all permanent IT jobs advertised in the City of London 93.68% 95.22% 94.24%
Number of salaries quoted 5,138 3,613 7,568
10th Percentile £44,175 £45,000 £38,500
25th Percentile £56,250 £55,000 £51,250
Median annual salary (50th Percentile) £72,500 £70,000 £67,500
Median % change year-on-year +3.57% +3.70% +3.85%
75th Percentile £92,500 £87,500 £82,500
90th Percentile £110,000 £105,000 £98,750
Central London median annual salary £72,500 £70,000 £67,000
% change year-on-year +3.57% +4.48% +3.08%

API Design
Job Vacancy Trend in the City of London

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

Job vacancy trend for API Design in the City of London

API Design
Salary Trend in the City of London

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

Salary trend for API Design in the City of London

API Design
Salary Histogram in the City of London

Salary distribution for jobs citing API Design in the City of London over the 6 months to 22 January 2022.

Salary histogram for API Design in the City of London

For the 6 months to 22 January 2022, IT jobs citing API Design 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 API Design.

1 21 (75.00%) Java
2 20 (71.43%) Web Services
3 19 (67.86%) REST
4 18 (64.29%) SQL
5 17 (60.71%) TDD
6 16 (57.14%) Swagger
7 14 (50.00%) JMS
7 14 (50.00%) Ant
7 14 (50.00%) JUnit
7 14 (50.00%) XML
7 14 (50.00%) JDBC
7 14 (50.00%) Maven
7 14 (50.00%) JSON
7 14 (50.00%) Jetty
7 14 (50.00%) Concordion
7 14 (50.00%) Bitbucket
7 14 (50.00%) JAX-RS
7 14 (50.00%) Gradle
7 14 (50.00%) Apache Ivy
7 14 (50.00%) JPA
7 14 (50.00%) Git (software)
7 14 (50.00%) Mockito
7 14 (50.00%) Cucumber
7 14 (50.00%) BDD
8 11 (39.29%) Full Stack Development
9 10 (35.71%) CI/CD
9 10 (35.71%) Greenfield Project
9 10 (35.71%) Agile Software Development
10 9 (32.14%) FIX Protocol
11 8 (28.57%) Linux

API Design
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 14 (50.00%) Jetty
Cloud Services
1 5 (17.86%) Azure
2 2 (7.14%) AWS
2 2 (7.14%) GCP
2 2 (7.14%) npm
3 1 (3.57%) Apigee
3 1 (3.57%) Azure App Service
3 1 (3.57%) Azure Monitor
3 1 (3.57%) Azure Service Bus
Communications & Networking
1 1 (3.57%) HTTP
Database & Business Intelligence
1 2 (7.14%) NoSQL
1 2 (7.14%) Relational Database
2 1 (3.57%) Azure SQL Database
Development Applications
1 14 (50.00%) Ant
1 14 (50.00%) Apache Ivy
1 14 (50.00%) Bitbucket
1 14 (50.00%) Concordion
1 14 (50.00%) Cucumber
1 14 (50.00%) Git (software)
1 14 (50.00%) Gradle
1 14 (50.00%) JUnit
1 14 (50.00%) Maven
1 14 (50.00%) Mockito
General
1 4 (14.29%) Front Office
2 3 (10.71%) Finance
3 2 (7.14%) Banking
3 2 (7.14%) Investment Banking
3 2 (7.14%) Publishing
3 2 (7.14%) Social Skills
4 1 (3.57%) Financial Institution
4 1 (3.57%) Games
Job Titles
1 22 (78.57%) Developer
2 15 (53.57%) Java Developer
2 15 (53.57%) Senior Developer
3 9 (32.14%) Senior Java Developer
4 7 (25.00%) Architect
4 7 (25.00%) Full Stack Developer
4 7 (25.00%) Java Architect
5 6 (21.43%) Senior Architect
5 6 (21.43%) Senior Java Architect
6 2 (7.14%) Analyst
6 2 (7.14%) Business Analyst
6 2 (7.14%) Lead Business Analyst
6 2 (7.14%) Senior Full Stack Developer
6 2 (7.14%) Senior UI Developer
6 2 (7.14%) UI Developer
7 1 (3.57%) .NET Developer
7 1 (3.57%) Apigee Architect
7 1 (3.57%) C# .NET Developer
7 1 (3.57%) C# Developer
7 1 (3.57%) Cloud Architect
Libraries, Frameworks & Software Standards
1 20 (71.43%) Web Services
2 19 (67.86%) REST
3 16 (57.14%) Swagger
4 14 (50.00%) JAX-RS
4 14 (50.00%) JDBC
4 14 (50.00%) JMS
4 14 (50.00%) JPA
4 14 (50.00%) JSON
4 14 (50.00%) XML
5 9 (32.14%) FIX Protocol
6 8 (28.57%) RESTful
7 4 (14.29%) AngularJS
8 3 (10.71%) Node.js
9 2 (7.14%) GraphQL
9 2 (7.14%) React
9 2 (7.14%) Spring
9 2 (7.14%) Spring Boot
10 1 (3.57%) .NET Core
10 1 (3.57%) Middleware
10 1 (3.57%) OpenAPI
Miscellaneous
1 10 (35.71%) Greenfield Project
2 7 (25.00%) Foreign Exchange (FX)
3 3 (10.71%) Mobile App
4 2 (7.14%) Media Streaming
4 2 (7.14%) User Experience
5 1 (3.57%) Cloud Native
5 1 (3.57%) Data Structures
Operating Systems
1 8 (28.57%) Linux
2 6 (21.43%) Unix
Processes & Methodologies
1 17 (60.71%) TDD
2 14 (50.00%) BDD
3 11 (39.29%) Full Stack Development
4 10 (35.71%) Agile Software Development
4 10 (35.71%) CI/CD
5 8 (28.57%) Line Management
6 7 (25.00%) Cybersecurity
6 7 (25.00%) Portfolio Management
7 6 (21.43%) Microservices
7 6 (21.43%) Multithreaded Programming
7 6 (21.43%) Multithreading
7 6 (21.43%) Product Roadmap
7 6 (21.43%) Risk Management
8 4 (14.29%) Continuous Integration
8 4 (14.29%) IT Strategy
8 4 (14.29%) Product Backlog
9 3 (10.71%) Software Engineering
10 2 (7.14%) Business Analysis
10 2 (7.14%) CRM
10 2 (7.14%) UML
Programming Languages
1 21 (75.00%) Java
2 18 (64.29%) SQL
3 4 (14.29%) JavaScript
4 3 (10.71%) Python
5 2 (7.14%) C#
5 2 (7.14%) Java 8
5 2 (7.14%) TypeScript
6 1 (3.57%) Bash
6 1 (3.57%) C++
6 1 (3.57%) F#
6 1 (3.57%) Go
6 1 (3.57%) Ruby
6 1 (3.57%) Scala
Quality Assurance & Compliance
1 2 (7.14%) QA
Vendors
1 1 (3.57%) Google
1 1 (3.57%) MuleSoft