API Development Contracts in London

API Development
England > London

The table below provides summary statistics for contract job vacancies advertised in London 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 9 May 2025, comparing them to the same period in the previous two years.

6 months to
9 May 2025
Same period 2024 Same period 2023
Rank 221 303 298
Rank change year-on-year +82 -5 +39
Contract jobs citing API Development 122 102 199
As % of all contract jobs advertised in London 0.98% 0.58% 0.76%
As % of the Processes & Methodologies category 1.06% 0.65% 0.83%
Number of daily rates quoted 82 71 148
10th Percentile £363 £377 £462
25th Percentile £458 £453 £510
Median daily rate (50th Percentile) £550 £550 £600
Median % change year-on-year - -8.33% -4.00%
75th Percentile £629 £618 £675
90th Percentile £673 £748 £775
England median daily rate £500 £550 £600
% change year-on-year -9.09% -8.33% -

All Process and Methodology Skills
London

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 in London.

Contract vacancies with a requirement for process or methodology skills 11,496 15,687 23,891
As % of all contract IT jobs advertised in London 92.17% 88.71% 90.96%
Number of daily rates quoted 7,797 11,244 17,202
10th Percentile £350 £340 £375
25th Percentile £435 £450 £475
Median daily rate (50th Percentile) £550 £550 £590
Median % change year-on-year - -6.78% +2.61%
75th Percentile £688 £681 £700
90th Percentile £813 £800 £800
England median daily rate £525 £525 £550
% change year-on-year - -4.55% +2.33%
Number of hourly rates quoted 170 315 269
10th Percentile £16.43 £15.97 £18.40
25th Percentile £22.68 £20.00 £22.50
Median hourly rate £34.00 £28.00 £39.00
Median % change year-on-year +21.43% -28.21% +5.41%
75th Percentile £50.75 £48.75 £64.25
90th Percentile £63.88 £66.30 £80.45
England median hourly rate £29.02 £36.50 £37.30
% change year-on-year -20.49% -2.14% +52.24%

API Development
Job Vacancy Trend in London

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

Job vacancy trend for API Development in London

API Development
Contractor Daily Rate Trend in London

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

Daily rate trend for API Development in London

API Development
Daily Rate Histogram in London

Daily rate distribution for jobs citing API Development in London over the 6 months to 9 May 2025.

Daily rate histogram for API Development in London

API Development
Contractor Hourly Rate Trend in London

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

Hourly rate trend for API Development in London

API Development
Contract Job Locations in London

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 London region over the 6 months to 9 May 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
Central London +21 30 £585 -16.43% 22
South London +4 1 - - 1
West London - 1 - - 3
API Development
England

API Development
Co-occurring Skills and Capabilities in 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 9 (7.38%) Confluence
2 1 (0.82%) Anypoint
2 1 (0.82%) Camunda
2 1 (0.82%) CICS
2 1 (0.82%) JBoss
2 1 (0.82%) Microsoft Exchange
2 1 (0.82%) Oracle Workflow
2 1 (0.82%) Tomcat
2 1 (0.82%) WebLogic
2 1 (0.82%) WebSphere
Applications
1 2 (1.64%) Microsoft Office
Business Applications
1 1 (0.82%) BASE24
1 1 (0.82%) Dynamics CRM
1 1 (0.82%) Oracle EBS
1 1 (0.82%) Oracle EBS R12
1 1 (0.82%) Payment Gateway
Cloud Services
1 48 (39.34%) AWS
2 43 (35.25%) Azure
3 16 (13.11%) GitHub
4 11 (9.02%) Azure DevOps
5 10 (8.20%) Serverless
6 9 (7.38%) GCP
7 8 (6.56%) GitHub Actions
8 7 (5.74%) Power Platform
9 6 (4.92%) Azure Logic Apps
10 5 (4.10%) Amazon EKS
10 5 (4.10%) Azure Service Bus
10 5 (4.10%) Power Automate
10 5 (4.10%) PowerApps
11 4 (3.28%) Amazon ECS
11 4 (3.28%) Azure Functions
11 4 (3.28%) Azure Monitor
11 4 (3.28%) Datadog
11 4 (3.28%) Dynamics 365
11 4 (3.28%) Snowflake
12 3 (2.46%) AWS CloudFormation
Communications & Networking
1 5 (4.10%) HTTP
2 3 (2.46%) Firewall
3 1 (0.82%) ATM
3 1 (0.82%) DNS
3 1 (0.82%) VPN
Database & Business Intelligence
1 26 (21.31%) PostgreSQL
2 22 (18.03%) NoSQL
3 17 (13.93%) MongoDB
4 6 (4.92%) SQL Server
5 5 (4.10%) Power BI
6 3 (2.46%) Data Warehouse
6 3 (2.46%) MySQL
6 3 (2.46%) Relational Database
7 2 (1.64%) Big Data
7 2 (1.64%) DB2
7 2 (1.64%) DynamoDB
7 2 (1.64%) Redis
8 1 (0.82%) Amazon Athena
8 1 (0.82%) Amazon Aurora
8 1 (0.82%) Amazon RDS
8 1 (0.82%) Apache Cassandra
8 1 (0.82%) Azure SQL Database
8 1 (0.82%) BigQuery
8 1 (0.82%) Data Mart
8 1 (0.82%) RDBMS
Development Applications
1 23 (18.85%) Git
2 12 (9.84%) Jenkins
3 10 (8.20%) JIRA
4 8 (6.56%) Bitbucket
5 5 (4.10%) GitLab
6 4 (3.28%) Cypress.io
6 4 (3.28%) Postman
6 4 (3.28%) Terragrunt
7 3 (2.46%) CircleCI
7 3 (2.46%) REST Assured
8 2 (1.64%) Atlassian Bamboo
8 2 (1.64%) Maven
8 2 (1.64%) Visual Studio
9 1 (0.82%) Cucumber
9 1 (0.82%) Jasmine
9 1 (0.82%) JUnit
9 1 (0.82%) Moq
9 1 (0.82%) NUnit
9 1 (0.82%) ScriptRunner
9 1 (0.82%) Team Foundation Server
General
1 31 (25.41%) Social Skills
2 24 (19.67%) Public Sector
3 17 (13.93%) Finance
4 10 (8.20%) Analytical Skills
5 6 (4.92%) Banking
6 5 (4.10%) Retail
7 4 (3.28%) Investment Banking
7 4 (3.28%) Marketing
7 4 (3.28%) Retail Banking
8 3 (2.46%) Advertising
8 3 (2.46%) Corporate Banking
9 2 (1.64%) Local Government
9 2 (1.64%) Telecoms
10 1 (0.82%) Back Office
10 1 (0.82%) Billing
10 1 (0.82%) Inclusion and Diversity
10 1 (0.82%) Military
10 1 (0.82%) Presentation Skills
Job Titles
1 85 (69.67%) Developer
2 22 (18.03%) Java Developer
3 19 (15.57%) Full-Stack Developer
4 15 (12.30%) SC Cleared Java Developer
5 12 (9.84%) Python Developer
5 12 (9.84%) Senior
6 10 (8.20%) Lead
6 10 (8.20%) Lead Developer
7 9 (7.38%) Architect
8 8 (6.56%) Applications Developer
9 6 (4.92%) .NET Developer
9 6 (4.92%) React Developer
10 5 (4.10%) AWS Developer
10 5 (4.10%) Backend Developer
10 5 (4.10%) Full-Stack Python Developer
10 5 (4.10%) Senior Developer
10 5 (4.10%) Software Developer
10 5 (4.10%) Software Engineer
10 5 (4.10%) Web Developer
11 4 (3.28%) Technical Architect
Libraries, Frameworks & Software Standards
1 38 (31.15%) React
2 32 (26.23%) RESTful
2 32 (26.23%) Spring
3 28 (22.95%) Spring Boot
4 25 (20.49%) Kafka
5 17 (13.93%) .NET
6 15 (12.30%) FastAPI
7 14 (11.48%) Node.js
7 14 (11.48%) REST
8 12 (9.84%) HTML
9 11 (9.02%) JSON
10 8 (6.56%) OAuth
10 8 (6.56%) Web Services
11 6 (4.92%) .NET Core
11 6 (4.92%) CSS
11 6 (4.92%) Next.js
11 6 (4.92%) SOAP
12 5 (4.10%) ASP.NET Web API
12 5 (4.10%) Flask
12 5 (4.10%) GraphQL
Miscellaneous
1 5 (4.10%) Cloud Native
2 4 (3.28%) Distributed Systems
2 4 (3.28%) Hedge funds
2 4 (3.28%) Virtual Team
3 3 (2.46%) Enterprise Software
3 3 (2.46%) Product Ownership
3 3 (2.46%) Public Cloud
4 2 (1.64%) Data Protection Act
4 2 (1.64%) Greenfield Project
4 2 (1.64%) Low-Code
4 2 (1.64%) Onboarding
4 2 (1.64%) Team-Oriented Environment
5 1 (0.82%) DataPower
5 1 (0.82%) EMV
5 1 (0.82%) FMCG
5 1 (0.82%) Legacy Systems
5 1 (0.82%) Management Information System
5 1 (0.82%) NHS
5 1 (0.82%) Self-Motivation
5 1 (0.82%) Wiki
Operating Systems
1 2 (1.64%) Android
2 1 (0.82%) Linux
2 1 (0.82%) Red Hat Enterprise Linux
2 1 (0.82%) VMS
2 1 (0.82%) zOS
Processes & Methodologies
1 63 (51.64%) Agile
2 52 (42.62%) DevOps
3 40 (32.79%) CI/CD
4 36 (29.51%) Problem-Solving
5 34 (27.87%) Microservices
6 31 (25.41%) Full-Stack Development
7 18 (14.75%) Clean Code
7 18 (14.75%) Software Engineering
8 17 (13.93%) API Design
8 17 (13.93%) Artificial Intelligence
8 17 (13.93%) SOLID
9 16 (13.11%) API Integration
10 15 (12.30%) Test Automation
11 14 (11.48%) Containerisation
11 14 (11.48%) Event-Driven
12 10 (8.20%) Continuous Integration
12 10 (8.20%) Generative AI
13 9 (7.38%) Infrastructure as Code
13 9 (7.38%) Web Development
14 8 (6.56%) Technical Leadership
Programming Languages
1 50 (40.98%) Java
2 48 (39.34%) Python
3 47 (38.52%) SQL
4 43 (35.25%) JavaScript
5 15 (12.30%) TypeScript
6 14 (11.48%) C#
7 9 (7.38%) Kotlin
8 7 (5.74%) PHP
9 5 (4.10%) PowerShell
10 4 (3.28%) Go
11 3 (2.46%) Bash
12 2 (1.64%) PL/SQL
13 1 (0.82%) C++
13 1 (0.82%) COBOL
13 1 (0.82%) Dart
13 1 (0.82%) Groovy
13 1 (0.82%) Scala
13 1 (0.82%) Shell Script
13 1 (0.82%) XPath
Qualifications
1 28 (22.95%) Security Cleared
2 27 (22.13%) SC Cleared
3 15 (12.30%) AWS Certified Developer
4 7 (5.74%) Degree
5 5 (4.10%) Computer Science Degree
6 2 (1.64%) (ISC)2 CCSP
6 2 (1.64%) AWS Certification
6 2 (1.64%) CEH
6 2 (1.64%) Cisco Certification
6 2 (1.64%) CISSP
6 2 (1.64%) DV Cleared
6 2 (1.64%) Master's Degree
7 1 (0.82%) BPSS Clearance
7 1 (0.82%) Microsoft Certification
Quality Assurance & Compliance
1 3 (2.46%) QA
2 2 (1.64%) GDPR
2 2 (1.64%) HIPAA
2 2 (1.64%) PCI DSS
System Software
1 21 (17.21%) Docker
2 2 (1.64%) Active Directory
Systems Management
1 34 (27.87%) Kubernetes
2 16 (13.11%) Terraform
3 3 (2.46%) Grafana
3 3 (2.46%) Prometheus
4 2 (1.64%) Single Sign-On
5 1 (0.82%) Ansible
5 1 (0.82%) CA Endevor
5 1 (0.82%) CloudHub
5 1 (0.82%) Kibana
Vendors
1 12 (9.84%) Microsoft
2 10 (8.20%) Oracle
3 4 (3.28%) Google
4 3 (2.46%) Splunk
5 2 (1.64%) MuleSoft
5 2 (1.64%) OpenAI
5 2 (1.64%) Salesforce
6 1 (0.82%) Atlassian
6 1 (0.82%) Databricks
6 1 (0.82%) IBM
6 1 (0.82%) Murex
6 1 (0.82%) Okta
6 1 (0.82%) SAP
6 1 (0.82%) ServiceNow
6 1 (0.82%) TIBCO