API Development Contracts

API Development
UK

The table below provides summary statistics for contract job vacancies requiring API Development skills. It includes a benchmarking guide to the contractor rates offered in vacancies that cited API Development over the 6 months leading up to 6 July 2025, comparing them to the same period in the previous two years.

6 months to
6 Jul 2025
Same period 2024 Same period 2023
Rank 257 389 391
Rank change year-on-year +132 +2 +23
Contract jobs citing API Development 320 201 322
As % of all contract jobs advertised in the UK 1.00% 0.46% 0.57%
As % of the Processes & Methodologies category 1.11% 0.54% 0.63%
Number of daily rates quoted 231 145 234
10th Percentile £356 £364 £407
25th Percentile £402 £430 £473
Median daily rate (50th Percentile) £475 £507 £560
Median % change year-on-year -6.31% -9.46% -2.61%
75th Percentile £585 £600 £623
90th Percentile £688 £683 £725
UK excluding London median daily rate £438 £500 £550
% change year-on-year -12.50% -9.09% +10.00%
Number of hourly rates quoted 0 1 0
Median hourly rate - £25.60 -
UK excluding London median hourly rate - £25.60 -

All Process and Methodology Skills
UK

API Development falls under the Processes and Methodologies category. For comparison with the information above, the following table provides summary statistics for all contract job vacancies requiring process or methodology skills.

Contract vacancies with a requirement for process or methodology skills 28,883 36,949 50,825
As % of all contract IT jobs advertised in the UK 90.68% 85.32% 89.49%
Number of daily rates quoted 18,181 23,576 35,000
10th Percentile £300 £300 £325
25th Percentile £405 £413 £438
Median daily rate (50th Percentile) £505 £525 £550
Median % change year-on-year -3.81% -4.55% +0.92%
75th Percentile £625 £638 £650
90th Percentile £738 £750 £750
UK excluding London median daily rate £475 £500 £500
% change year-on-year -5.00% - -
Number of hourly rates quoted 1,432 2,509 1,726
10th Percentile £14.20 £12.75 £12.28
25th Percentile £17.42 £16.12 £16.85
Median hourly rate £25.15 £37.50 £38.18
Median % change year-on-year -32.93% -1.77% +46.83%
75th Percentile £53.75 £61.30 £65.00
90th Percentile £70.00 £72.50 £75.59
UK excluding London median hourly rate £24.66 £38.12 £35.00
% change year-on-year -35.31% +8.91% +66.67%

API Development
Job Vacancy Trend

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

Job vacancy trend for API Development in the UK

API Development
Contractor Daily Rate Trend

3-month moving average daily rate quoted in jobs citing API Development.

Daily rate trend for API Development in the UK

API Development
Daily Rate Histogram

Daily rate distribution for jobs citing API Development over the 6 months to 6 July 2025.

Daily rate histogram for API Development in the UK

API Development
Contractor Hourly Rate Trend

3-month moving average hourly rates quoted in jobs citing API Development.

Hourly rate trend for API Development in the UK

API Development
Top 15 Contract Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing API Development within the UK over the 6 months to 6 July 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
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Jobs
England +108 243 £475 -9.52% 770
London +88 140 £500 -7.41% 318
UK excluding London +73 118 £438 -12.50% 510
Work from Home +60 118 £475 -5.00% 548
North of England -13 34 £402 -23.43% 152
Midlands +34 25 £435 -13.00% 57
North West +17 24 £402 -13.08% 100
South East +45 22 £450 -5.26% 118
Scotland +21 19 £421 -2.88% 31
West Midlands +18 13 £445 -11.00% 27
East Midlands +11 12 £349 -26.33% 30
South West +42 10 £525 +16.67% 66
Yorkshire -21 10 £450 -18.18% 49
East of England +34 7 £545 +50.34% 65
Northern Ireland - 4 £475 - 12

API Development
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 22 (6.88%) Confluence
2 16 (5.00%) Anypoint
3 12 (3.75%) Mule
4 11 (3.44%) WebLogic
5 10 (3.13%) JBoss
5 10 (3.13%) Tomcat
5 10 (3.13%) WebSphere
6 3 (0.94%) Mule ESB
6 3 (0.94%) Oracle Application Server
7 1 (0.31%) Camunda
7 1 (0.31%) CICS
7 1 (0.31%) CMS
7 1 (0.31%) Documentum
7 1 (0.31%) FileNet
7 1 (0.31%) Headless CMS
7 1 (0.31%) Microsoft Exchange
7 1 (0.31%) Oracle Workflow
7 1 (0.31%) SharePoint
7 1 (0.31%) Tuxedo
7 1 (0.31%) Umbraco
Applications
1 2 (0.63%) Microsoft Office
1 2 (0.63%) Trello
2 1 (0.31%) Chatbot
Business Applications
1 4 (1.25%) Payment Gateway
2 3 (0.94%) NetSuite
3 1 (0.31%) Aladdin
3 1 (0.31%) Dynamics CRM
3 1 (0.31%) Fidessa
3 1 (0.31%) Maximo
3 1 (0.31%) NEC Housing
3 1 (0.31%) Oracle EBS
3 1 (0.31%) Oracle EBS R12
3 1 (0.31%) SAP MRS
3 1 (0.31%) SAP PM
3 1 (0.31%) SAP S/4HANA
3 1 (0.31%) thinkFolio
Cloud Services
1 137 (42.81%) AWS
2 107 (33.44%) Azure
3 40 (12.50%) GCP
4 34 (10.63%) Serverless
5 27 (8.44%) GitHub
6 16 (5.00%) Azure DevOps
7 14 (4.38%) GitHub Actions
8 10 (3.13%) AWS Lambda
8 10 (3.13%) Azure Service Bus
9 9 (2.81%) Apigee
9 9 (2.81%) Entra ID
10 8 (2.50%) Amazon S3
10 8 (2.50%) Azure Cosmos DB
10 8 (2.50%) Azure Logic Apps
11 7 (2.19%) Amazon CloudWatch
11 7 (2.19%) Power Platform
11 7 (2.19%) SaaS
12 6 (1.88%) Amazon EC2
12 6 (1.88%) Azure Functions
12 6 (1.88%) Datadog
Communications & Networking
1 16 (5.00%) HTTP
2 10 (3.13%) Firewall
3 3 (0.94%) HTTPS
3 3 (0.94%) SSL
4 2 (0.63%) 3GPP
4 2 (0.63%) 4G
4 2 (0.63%) 5G
4 2 (0.63%) TCP/IP
4 2 (0.63%) VPN
4 2 (0.63%) Wireless
5 1 (0.31%) BGP
5 1 (0.31%) DNS
5 1 (0.31%) Software-Defined Networking
5 1 (0.31%) X.509
Database & Business Intelligence
1 50 (15.63%) NoSQL
2 36 (11.25%) PostgreSQL
3 35 (10.94%) MongoDB
4 28 (8.75%) SQL Server
5 14 (4.38%) Relational Database
6 11 (3.44%) DB2
7 10 (3.13%) MySQL
8 7 (2.19%) BigQuery
8 7 (2.19%) Oracle Database
9 6 (1.88%) Amazon RDS
10 5 (1.56%) Big Data
10 5 (1.56%) RDBMS
11 4 (1.25%) Data Warehouse
11 4 (1.25%) Power BI
11 4 (1.25%) Redis
12 3 (0.94%) Amazon Athena
12 3 (0.94%) Data Lake
12 3 (0.94%) DynamoDB
13 2 (0.63%) Amazon Aurora
13 2 (0.63%) Azure SQL Database
Development Applications
1 58 (18.13%) Git
2 38 (11.88%) Jenkins
2 38 (11.88%) JIRA
3 20 (6.25%) Bitbucket
4 18 (5.63%) GitLab
5 12 (3.75%) CircleCI
6 9 (2.81%) Cypress.io
6 9 (2.81%) Maven
7 8 (2.50%) JUnit
8 7 (2.19%) Postman
9 6 (1.88%) Gradle
9 6 (1.88%) SpecFlow
9 6 (1.88%) Subversion
10 5 (1.56%) NUnit
11 4 (1.25%) CA Release Automation
11 4 (1.25%) HP UFT
11 4 (1.25%) IntelliJ
11 4 (1.25%) NetBeans
11 4 (1.25%) Selenium
11 4 (1.25%) Terragrunt
General
1 94 (29.38%) Social Skills
2 50 (15.63%) Public Sector
3 48 (15.00%) Finance
4 28 (8.75%) Analytical Skills
5 22 (6.88%) Banking
6 9 (2.81%) Documentation Skills
6 9 (2.81%) Retail
7 8 (2.50%) Advertising
8 7 (2.19%) Telecoms
9 6 (1.88%) Investment Banking
10 5 (1.56%) Inclusion and Diversity
10 5 (1.56%) Retail Banking
11 4 (1.25%) Back Office
11 4 (1.25%) Corporate Banking
12 3 (0.94%) Billing
12 3 (0.94%) Marketing
12 3 (0.94%) Presentation Skills
13 2 (0.63%) Games
13 2 (0.63%) Local Government
13 2 (0.63%) Military
Job Titles
1 193 (60.31%) Developer
2 61 (19.06%) Senior
3 45 (14.06%) Java Developer
4 33 (10.31%) Architect
5 31 (9.69%) Full-Stack Developer
5 31 (9.69%) Senior Developer
6 26 (8.13%) .NET Developer
7 21 (6.56%) Lead
7 21 (6.56%) Python Developer
8 17 (5.31%) Lead Developer
8 17 (5.31%) React Developer
8 17 (5.31%) Software Engineer
9 14 (4.38%) Technical Architect
10 13 (4.06%) MuleSoft Developer
11 12 (3.75%) SC Cleared Java Developer
11 12 (3.75%) Senior Architect
12 11 (3.44%) Software Developer
13 10 (3.13%) Azure Developer
13 10 (3.13%) Scrum Master
13 10 (3.13%) Senior Technical Architect
Libraries, Frameworks & Software Standards
1 104 (32.50%) RESTful
2 89 (27.81%) React
3 75 (23.44%) .NET
4 70 (21.88%) REST
5 54 (16.88%) Spring
6 48 (15.00%) Spring Boot
7 46 (14.38%) Node.js
8 39 (12.19%) AngularJS
8 39 (12.19%) Kafka
9 36 (11.25%) SOAP
10 35 (10.94%) HTML
10 35 (10.94%) Web Services
11 34 (10.63%) .NET Core
12 32 (10.00%) OAuth
13 29 (9.06%) CSS
14 28 (8.75%) RAML
15 27 (8.44%) JSON
16 23 (7.19%) Swagger
17 22 (6.88%) OpenAPI
18 20 (6.25%) XML
Miscellaneous
1 28 (8.75%) Product Ownership
2 24 (7.50%) Cloud Native
3 11 (3.44%) Distributed Systems
3 11 (3.44%) Public Cloud
4 10 (3.13%) Private Cloud
5 9 (2.81%) Data Protection Act
5 9 (2.81%) Data Structures
5 9 (2.81%) Greenfield Project
5 9 (2.81%) Legacy Systems
6 8 (2.50%) Enterprise Software
7 6 (1.88%) Mobile App
8 5 (1.56%) Algorithms
8 5 (1.56%) Virtual Team
9 4 (1.25%) Hedge funds
9 4 (1.25%) Onboarding
9 4 (1.25%) Renewable Energy
10 3 (0.94%) Legacy Code
10 3 (0.94%) Mainframe
10 3 (0.94%) Management Information System
10 3 (0.94%) State Machine
Operating Systems
1 9 (2.81%) Linux
2 3 (0.94%) Android
3 2 (0.63%) AIX
3 2 (0.63%) Apple iOS
3 2 (0.63%) Red Hat Enterprise Linux
4 1 (0.31%) CentOS
4 1 (0.31%) Oracle Linux
4 1 (0.31%) SUSE
4 1 (0.31%) Ubuntu
4 1 (0.31%) Unix
4 1 (0.31%) VMS
4 1 (0.31%) Windows
4 1 (0.31%) Windows Server
4 1 (0.31%) zOS
Processes & Methodologies
1 179 (55.94%) Agile
2 142 (44.38%) CI/CD
3 119 (37.19%) DevOps
4 111 (34.69%) Microservices
5 102 (31.88%) Problem-Solving
6 63 (19.69%) Full-Stack Development
7 52 (16.25%) Scrum
8 51 (15.94%) Containerisation
9 48 (15.00%) API Integration
10 40 (12.50%) Test Automation
11 38 (11.88%) Software Engineering
12 37 (11.56%) Clean Code
12 37 (11.56%) Event-Driven
12 37 (11.56%) TDD
13 36 (11.25%) User Experience
14 34 (10.63%) API Design
15 33 (10.31%) Infrastructure as Code
16 31 (9.69%) SDLC
17 28 (8.75%) SOLID
18 27 (8.44%) Code Quality
Programming Languages
1 125 (39.06%) Java
2 109 (34.06%) SQL
3 98 (30.63%) Python
4 93 (29.06%) JavaScript
5 60 (18.75%) TypeScript
6 59 (18.44%) C#
7 16 (5.00%) PHP
8 11 (3.44%) DataWeave
8 11 (3.44%) Go
8 11 (3.44%) PL/SQL
9 10 (3.13%) Kotlin
10 9 (2.81%) Bash
11 7 (2.19%) PowerShell
12 5 (1.56%) Ruby
13 4 (1.25%) Scala
13 4 (1.25%) Shell Script
14 3 (0.94%) Bicep
14 3 (0.94%) C++
14 3 (0.94%) Perl
15 2 (0.63%) ABAP
Qualifications
1 53 (16.56%) Security Cleared
2 45 (14.06%) SC Cleared
3 20 (6.25%) Degree
4 13 (4.06%) BPSS Clearance
5 11 (3.44%) Computer Science Degree
6 10 (3.13%) AWS Certified Developer
7 8 (2.50%) DV Cleared
8 5 (1.56%) AWS Certification
9 4 (1.25%) (ISC)2 CCSP
9 4 (1.25%) CEH
9 4 (1.25%) Cisco Certification
9 4 (1.25%) CISSP
10 3 (0.94%) Master's Degree
11 2 (0.63%) Microsoft Certification
12 1 (0.31%) Azure Certification
12 1 (0.31%) OCP
12 1 (0.31%) Oracle Certification
Quality Assurance & Compliance
1 24 (7.50%) QA
2 21 (6.56%) Accessibility
3 7 (2.19%) GDPR
4 5 (1.56%) PCI DSS
5 4 (1.25%) Data Quality
5 4 (1.25%) HIPAA
6 2 (0.63%) California Consumer Privacy Act
6 2 (0.63%) NCSC
6 2 (0.63%) NIST
7 1 (0.31%) Disclosure Scotland
7 1 (0.31%) MiFID
7 1 (0.31%) SOC 2
7 1 (0.31%) WCAG
System Software
1 59 (18.44%) Docker
2 13 (4.06%) Active Directory
3 2 (0.63%) Veritas Cluster Server
3 2 (0.63%) VMware Infrastructure
Systems Management
1 83 (25.94%) Kubernetes
2 40 (12.50%) Terraform
3 11 (3.44%) Prometheus
4 10 (3.13%) Grafana
5 8 (2.50%) CloudHub
5 8 (2.50%) Single Sign-On
6 6 (1.88%) Puppet
7 4 (1.25%) Ansible
7 4 (1.25%) Kibana
7 4 (1.25%) Progress Chef
8 1 (0.31%) CA Endevor
8 1 (0.31%) MIIS
Vendors
1 42 (13.13%) Oracle
2 41 (12.81%) Microsoft
3 21 (6.56%) MuleSoft
4 17 (5.31%) Google
5 16 (5.00%) ServiceNow
6 15 (4.69%) Salesforce
7 8 (2.50%) SAP
8 5 (1.56%) ForgeRock
9 4 (1.25%) Atlassian
9 4 (1.25%) CA Agile Central
9 4 (1.25%) VMware
10 3 (0.94%) OpenAI
10 3 (0.94%) PagerDuty
10 3 (0.94%) Splunk
11 2 (0.63%) Cisco
11 2 (0.63%) Workday
12 1 (0.31%) Databricks
12 1 (0.31%) Okta
12 1 (0.31%) SnapLogic
12 1 (0.31%) Snow