API Design Jobs in the City of London

API Design
Central London > City of London

The table below provides summary statistics for permanent job vacancies advertised in the City of London requiring API Design skills. It includes a benchmarking guide to the annual salaries offered in vacancies that cited API Design over the 6 months leading up to 30 May 2025, comparing them to the same period in the previous two years.

6 months to
30 May 2025
Same period 2024 Same period 2023
Rank 131 181 177
Rank change year-on-year +50 -4 +62
Permanent jobs citing API Design 6 2 52
As % of all permanent jobs advertised in the City of London 0.31% 0.060% 1.16%
As % of the Processes & Methodologies category 0.32% 0.065% 1.21%
Number of salaries quoted 5 1 37
10th Percentile £76,250 - £56,500
25th Percentile £83,750 £78,750 £73,750
Median annual salary (50th Percentile) £140,000 £82,500 £90,000
Median % change year-on-year +69.70% -8.33% -
75th Percentile £152,500 £86,250 £103,750
90th Percentile - - £136,000
Central London median annual salary £140,000 £82,500 £90,000
% change year-on-year +69.70% -8.33% -

All Process and Methodology Skills
City of London

API Design falls under the Processes and Methodologies category. For comparison with the information above, the following table provides summary statistics for all permanent job vacancies requiring process or methodology skills in the City of London.

Permanent vacancies with a requirement for process or methodology skills 1,867 3,062 4,285
As % of all permanent jobs advertised in the City of London 96.29% 91.65% 95.22%
Number of salaries quoted 1,403 2,381 3,559
10th Percentile £42,100 £41,315 £42,950
25th Percentile £53,750 £55,000 £56,250
Median annual salary (50th Percentile) £75,000 £75,000 £75,000
Median % change year-on-year - - +3.45%
75th Percentile £97,500 £95,000 £100,000
90th Percentile £122,500 £112,500 £115,000
Central London median annual salary £75,000 £72,500 £75,000
% change year-on-year +3.45% -3.33% +3.45%

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 30 May 2025.

Salary histogram for API Design in the City of London

API Design
Co-occurring Skills and Capabilities in the City of London by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same employment type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 1 (16.67%) NServiceBus
Cloud Services
1 3 (50.00%) AWS
2 2 (33.33%) Azure
2 2 (33.33%) Serverless
3 1 (16.67%) Azure Service Bus
3 1 (16.67%) GCP
Database & Business Intelligence
1 2 (33.33%) Relational Database
2 1 (16.67%) PostgreSQL
2 1 (16.67%) SQL Server
Development Applications
1 1 (16.67%) Moq
1 1 (16.67%) SpecFlow
General
1 3 (50.00%) Banking
2 2 (33.33%) Finance
2 2 (33.33%) Front Office
2 2 (33.33%) Investment Banking
3 1 (16.67%) Pharmaceutical
Job Titles
1 3 (50.00%) Software Engineer
2 2 (33.33%) Principal Engineer
2 2 (33.33%) Principal Software Engineer
2 2 (33.33%) Senior
3 1 (16.67%) C# Developer
3 1 (16.67%) Developer
3 1 (16.67%) Head of Engineering
3 1 (16.67%) Senior C# Developer
3 1 (16.67%) Senior Developer
3 1 (16.67%) Senior Software Engineer
Libraries, Frameworks & Software Standards
1 2 (33.33%) .NET
1 2 (33.33%) .NET Core
1 2 (33.33%) REST
2 1 (16.67%) .NET Framework
2 1 (16.67%) AngularJS
2 1 (16.67%) ASP.NET Web API
2 1 (16.67%) CSS
2 1 (16.67%) Entity Framework
2 1 (16.67%) FHIR
2 1 (16.67%) GraalVM
2 1 (16.67%) HTML
2 1 (16.67%) Kafka
2 1 (16.67%) OAuth
2 1 (16.67%) OAuth2
2 1 (16.67%) Quarkus
2 1 (16.67%) RabbitMQ
2 1 (16.67%) Spring Boot
2 1 (16.67%) Swagger
Miscellaneous
1 2 (33.33%) Distributed Systems
2 1 (16.67%) Cloud Native
Processes & Methodologies
1 6 (100.00%) Software Engineering
2 4 (66.67%) Containerisation
2 4 (66.67%) Microservices
3 3 (50.00%) Agile
3 3 (50.00%) Analytics
3 3 (50.00%) DevOps
4 2 (33.33%) API Development
4 2 (33.33%) Computer Science
4 2 (33.33%) Data Engineering
4 2 (33.33%) Data Science
4 2 (33.33%) Enterprise Architecture
4 2 (33.33%) Event-Driven
4 2 (33.33%) Fintech
4 2 (33.33%) Infrastructure as Code
4 2 (33.33%) Mentoring
4 2 (33.33%) OO
4 2 (33.33%) Platform Engineering
5 1 (16.67%) CI/CD
5 1 (16.67%) Problem-Solving
5 1 (16.67%) Technology Strategy
Programming Languages
1 3 (50.00%) C#
1 3 (50.00%) Java
1 3 (50.00%) Python
2 2 (33.33%) Go
2 2 (33.33%) Rust
2 2 (33.33%) TypeScript
3 1 (16.67%) JavaScript
3 1 (16.67%) SQL
Qualifications
1 4 (66.67%) Degree
2 2 (33.33%) Computer Science Degree
3 1 (16.67%) Master's Degree
Quality Assurance & Compliance
1 1 (16.67%) CDISC
1 1 (16.67%) QA
System Software
1 2 (33.33%) Docker
Systems Management
1 1 (16.67%) Kubernetes
Vendors
1 1 (16.67%) Microsoft