API Design Job Trends

API Design
UK

The table below provides summary statistics and salary benchmarking for jobs requiring API Design skills. It covers vacancies from the 6 months leading up to 19 September 2025, with comparisons to the same periods in the previous two years.

6 months to
19 Sep 2025
Same period 2024 Same period 2023
Rank 542 675 513
Rank change year-on-year +133 -162 -59
Permanent jobs citing API Design 133 116 278
As % of all permanent jobs advertised in the UK 0.27% 0.15% 0.46%
As % of the Processes & Methodologies category 0.30% 0.18% 0.49%
Number of salaries quoted 99 62 181
10th Percentile £51,000 £40,250 £50,000
25th Percentile £62,500 £52,500 £57,500
Median annual salary (50th Percentile) £80,000 £62,500 £67,634
Median % change year-on-year +28.00% -7.59% -18.02%
75th Percentile £91,250 £72,500 £89,852
90th Percentile £125,000 £82,500 £100,000
UK excluding London median annual salary £75,000 £61,903 £60,000
% change year-on-year +21.16% +3.17% -

All Process and Methodology Skills
UK

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.

Permanent vacancies with a requirement for process or methodology skills 43,840 63,484 57,058
As % of all permanent jobs advertised in the UK 88.70% 81.24% 94.33%
Number of salaries quoted 24,733 35,914 43,040
10th Percentile £28,500 £32,000 £32,750
25th Percentile £36,250 £42,500 £45,000
Median annual salary (50th Percentile) £55,000 £57,500 £60,000
Median % change year-on-year -4.35% -4.17% -
75th Percentile £75,000 £77,500 £80,000
90th Percentile £96,750 £95,000 £100,000
UK excluding London median annual salary £47,500 £52,500 £54,000
% change year-on-year -9.52% -2.78% +2.86%

API Design
Job Vacancy Trend

Job postings citing API Design as a proportion of all IT jobs advertised.

Job vacancy trend for API Design in the UK

API Design
Salary Trend

Salary distribution trend for jobs in the UK citing API Design.

Salary distribution trend for jobs in the UK citing API Design

API Design
Salary Histogram

Salary distribution for jobs citing API Design over the 6 months to 19 September 2025.

Salary histogram for API Design in the UK

API Design
Top 15 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing API Design within the UK over the 6 months to 19 September 2025. 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
Jobs
England +130 128 £80,000 +25.49% 116
UK excluding London +106 70 £75,000 +21.16% 78
London +83 54 £85,000 +25.93% 54
Work from Home +75 43 £75,000 +25.00% 88
East of England +1 18 £85,000 +6.25% 5
North of England +39 17 £57,500 -14.81% 22
South East +30 16 £67,500 +10.11% 33
North West +15 14 £57,500 -17.86% 13
Midlands +51 11 £62,500 +31.58% 5
South West +74 6 £62,500 +8.70% 9
West Midlands +41 5 £58,750 +23.68% 1
East Midlands +31 4 £60,000 - 4
Yorkshire - 3 £72,500 - 7
Scotland +42 1 - - 2
Wales +20 1 £53,500 +33.75% 1

API Design
Co-occurring Skills and Capabilities 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 5 (3.76%) Confluence
2 4 (3.01%) IIS
3 3 (2.26%) SharePoint
4 2 (1.50%) CMS
4 2 (1.50%) Headless CMS
5 1 (0.75%) Anypoint
5 1 (0.75%) Apache Airflow
5 1 (0.75%) Apache Solr
5 1 (0.75%) EPiServer
5 1 (0.75%) Umbraco
Applications
1 1 (0.75%) Microsoft Office
Business Applications
1 3 (2.26%) Dynamics CRM
2 2 (1.50%) Shopify
Cloud Services
1 64 (48.12%) AWS
2 55 (41.35%) Azure
3 30 (22.56%) Serverless
4 21 (15.79%) GCP
5 19 (14.29%) SaaS
6 16 (12.03%) Azure DevOps
7 15 (11.28%) AWS Lambda
7 15 (11.28%) Boomi
8 14 (10.53%) Amazon CloudWatch
8 14 (10.53%) Amazon EventBridge
8 14 (10.53%) Amazon SQS
8 14 (10.53%) AWS CodeBuild
8 14 (10.53%) AWS CodeDeploy
8 14 (10.53%) AWS CodePipeline
8 14 (10.53%) AWS Step Functions
8 14 (10.53%) Power Platform
9 13 (9.77%) GitHub
10 12 (9.02%) Azure Functions
11 10 (7.52%) GitHub Actions
12 9 (6.77%) Power Automate
Communications & Networking
1 3 (2.26%) Multicast
2 1 (0.75%) AMQP
2 1 (0.75%) Broadband
2 1 (0.75%) Firewall
2 1 (0.75%) HTTP
2 1 (0.75%) TCP/IP
2 1 (0.75%) VPN
Database & Business Intelligence
1 18 (13.53%) Big Data
2 17 (12.78%) MySQL
3 16 (12.03%) NoSQL
4 14 (10.53%) Relational Database
4 14 (10.53%) SQL Server
5 12 (9.02%) PostgreSQL
6 8 (6.02%) MongoDB
7 5 (3.76%) Elasticsearch
7 5 (3.76%) Redis
8 4 (3.01%) Azure SQL Database
9 3 (2.26%) DynamoDB
10 2 (1.50%) Apache Cassandra
10 2 (1.50%) MariaDB
10 2 (1.50%) Power BI
10 2 (1.50%) SQL Server Integration Services
11 1 (0.75%) CockroachDB
11 1 (0.75%) Couchbase
11 1 (0.75%) Geospatial Data
11 1 (0.75%) RDBMS
11 1 (0.75%) Spatial Data
Development Applications
1 15 (11.28%) Git
2 6 (4.51%) NUnit
3 4 (3.01%) Jasmine
3 4 (3.01%) Jenkins
3 4 (3.01%) TeamCity
4 3 (2.26%) JIRA
4 3 (2.26%) JMeter
4 3 (2.26%) Postman
4 3 (2.26%) Selenium
4 3 (2.26%) SpecFlow
4 3 (2.26%) Visual Studio
4 3 (2.26%) Visual Studio Code
5 2 (1.50%) GitLab
5 2 (1.50%) Moq
5 2 (1.50%) MSTest
5 2 (1.50%) Octopus Deploy
6 1 (0.75%) CircleCI
6 1 (0.75%) Grunt
6 1 (0.75%) gulp
6 1 (0.75%) Snyk
General
1 34 (25.56%) Finance
1 34 (25.56%) Social Skills
2 30 (22.56%) Law
3 15 (11.28%) Public Sector
4 13 (9.77%) Inclusion and Diversity
5 12 (9.02%) Analytical Skills
6 11 (8.27%) Banking
6 11 (8.27%) Marketing
7 9 (6.77%) Retail
8 7 (5.26%) Influencing Skills
9 5 (3.76%) Games
9 5 (3.76%) Legal
10 2 (1.50%) Front Office
10 2 (1.50%) Health Technology
10 2 (1.50%) Investment Banking
10 2 (1.50%) Pharmaceutical
11 1 (0.75%) Automotive
11 1 (0.75%) Back Office
11 1 (0.75%) Military
11 1 (0.75%) Wearables
Job Titles
1 34 (25.56%) Developer
2 32 (24.06%) Senior
3 29 (21.80%) Software Engineer
4 28 (21.05%) Lead
5 20 (15.04%) Architect
6 15 (11.28%) Solutions Architect
7 13 (9.77%) Senior Developer
8 11 (8.27%) Senior Software Engineer
9 10 (7.52%) .NET Developer
10 9 (6.77%) Java Developer
11 8 (6.02%) Database Engineer
11 8 (6.02%) Full-Stack Developer
11 8 (6.02%) Payments Architect
11 8 (6.02%) Payments Solutions Architect
11 8 (6.02%) Senior .NET Developer
12 7 (5.26%) AWS Architect
12 7 (5.26%) AWS Solution Architect
12 7 (5.26%) Azure Architect
12 7 (5.26%) Principal Engineer
12 7 (5.26%) TOGAF Architect
Libraries, Frameworks & Software Standards
1 47 (35.34%) RESTful
2 33 (24.81%) .NET
3 29 (21.80%) React
3 29 (21.80%) REST
4 28 (21.05%) OAuth
5 15 (11.28%) AngularJS
5 15 (11.28%) HTML
5 15 (11.28%) JWT
6 14 (10.53%) .NET Core
6 14 (10.53%) ASP.NET
7 13 (9.77%) CSS
8 11 (8.27%) Node.js
9 10 (7.52%) Vue
10 9 (6.77%) .NET Framework
11 8 (6.02%) JSON
11 8 (6.02%) OpenID
12 7 (5.26%) Entity Framework
12 7 (5.26%) Spring
12 7 (5.26%) Spring Boot
13 6 (4.51%) Swagger
Miscellaneous
1 38 (28.57%) Cloud Native
2 14 (10.53%) Product Ownership
3 12 (9.02%) Algorithms
3 12 (9.02%) Management Information System
4 9 (6.77%) Data Structures
4 9 (6.77%) Public Cloud
5 8 (6.02%) Distributed Systems
5 8 (6.02%) Private Cloud
6 4 (3.01%) Low-Code
6 4 (3.01%) Online Games
7 3 (2.26%) Foreign Exchange (FX)
7 3 (2.26%) Hybrid Cloud
7 3 (2.26%) IoT
7 3 (2.26%) Mobile App
8 2 (1.50%) AI Agents
8 2 (1.50%) Clustering
9 1 (0.75%) Client/Server
9 1 (0.75%) Enterprise Software
9 1 (0.75%) PKI
9 1 (0.75%) Security Posture
Operating Systems
1 8 (6.02%) Unix
2 4 (3.01%) Linux
3 1 (0.75%) Android
Processes & Methodologies
1 67 (50.38%) Agile
2 64 (48.12%) CI/CD
3 61 (45.86%) DevOps
4 42 (31.58%) Microservices
4 42 (31.58%) Software Engineering
5 41 (30.83%) API Development
6 35 (26.32%) SDLC
7 31 (23.31%) Continuous Improvement
8 27 (20.30%) Problem-Solving
9 25 (18.80%) Test Automation
10 24 (18.05%) Artificial Intelligence
10 24 (18.05%) Mentoring
11 22 (16.54%) Analytics
11 22 (16.54%) Roadmaps
12 21 (15.79%) Collaborative Culture
12 21 (15.79%) Event-Driven
13 19 (14.29%) Coaching
13 19 (14.29%) Event-Driven Architecture
13 19 (14.29%) Full-Stack Development
14 18 (13.53%) Line Management
Programming Languages
1 48 (36.09%) C#
2 47 (35.34%) Python
3 37 (27.82%) Java
4 36 (27.07%) SQL
5 32 (24.06%) TypeScript
6 25 (18.80%) JavaScript
7 8 (6.02%) Shell Script
8 5 (3.76%) Go
8 5 (3.76%) PHP
9 3 (2.26%) PowerShell
10 2 (1.50%) Bicep
10 2 (1.50%) Kotlin
10 2 (1.50%) Rust
11 1 (0.75%) Apex Code
11 1 (0.75%) C
11 1 (0.75%) C++
11 1 (0.75%) DataWeave
11 1 (0.75%) Groovy
11 1 (0.75%) Scala
11 1 (0.75%) T-SQL
Qualifications
1 21 (15.79%) Security Cleared
2 19 (14.29%) Degree
3 9 (6.77%) TOGAF Certification
4 7 (5.26%) Computer Science Degree
5 6 (4.51%) SC Cleared
6 4 (3.01%) Master's Degree
7 1 (0.75%) Azure Certification
7 1 (0.75%) CISSP
7 1 (0.75%) CREST Certified
7 1 (0.75%) CSSLP
7 1 (0.75%) DBS Check
7 1 (0.75%) DV Cleared
7 1 (0.75%) GIAC
7 1 (0.75%) GWAPT
7 1 (0.75%) MCP
Quality Assurance & Compliance
1 9 (6.77%) QA
2 3 (2.26%) Accessibility
2 3 (2.26%) GDPR
2 3 (2.26%) ISO/IEC 27001
2 3 (2.26%) PMBOK
2 3 (2.26%) WCAG
3 2 (1.50%) CDISC
3 2 (1.50%) HL7
3 2 (1.50%) SNOMED CT
4 1 (0.75%) Data Quality
System Software
1 33 (24.81%) Docker
Systems Management
1 23 (17.29%) Kubernetes
2 16 (12.03%) Terraform
3 8 (6.02%) Ansible
4 1 (0.75%) Grafana
4 1 (0.75%) Kiali
Vendors
1 26 (19.55%) Microsoft
2 23 (17.29%) Salesforce
3 21 (15.79%) Google
4 15 (11.28%) MuleSoft
5 14 (10.53%) Informatica
5 14 (10.53%) ServiceNow
6 6 (4.51%) OpenAI
7 4 (3.01%) Rollbar
8 3 (2.26%) Databricks
8 3 (2.26%) Dynatrace
9 2 (1.50%) Adobe
9 2 (1.50%) Oracle
9 2 (1.50%) Splunk
9 2 (1.50%) Sybase
10 1 (0.75%) AppDynamics
10 1 (0.75%) Foundry
10 1 (0.75%) Optimizely
10 1 (0.75%) Palantir
10 1 (0.75%) Qualys
10 1 (0.75%) SnapLogic