Period
to

The following table provides summary statistics for contract job vacancies advertised in the East of England with a requirement for API Development skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited API Development over the 6 months to 19 August 2022 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

API Development
England > East of England
6 months to
19 Aug 2022
Same period 2021 Same period 2020
Rank 117 110 91
Rank change year-on-year -7 -19 +79
Contract jobs citing API Development 21 17 8
As % of all contract jobs advertised in the East of England 0.84% 0.75% 0.53%
As % of the Processes & Methodologies category 0.94% 0.84% 0.62%
Number of daily rates quoted 14 13 4
10th Percentile £401 £390 -
25th Percentile £480 £415 £400
Median daily rate (50th Percentile) £620 £500 £425
Median % change year-on-year +24.00% +17.65% -8.11%
75th Percentile £648 £550 £538
90th Percentile £653 £570 £650
England median daily rate £575 £500 £500
% change year-on-year +15.00% - +5.26%
Number of hourly rates quoted 2 1 0
10th Percentile £53.83 - -
25th Percentile £55.82 - -
Median hourly rate £60.38 £62.79 -
Median % change year-on-year -3.84% - -
75th Percentile £63.70 - -
90th Percentile £64.93 - -
England median hourly rate £61.09 £61.40 £30.00
% change year-on-year -0.50% +104.65% +33.33%

API Development is in the Processes and Methodologies category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in the East of England with a requirement for process or methodology skills.

All Process and Methodology Skills
East of England
Contract vacancies with a requirement for process or methodology skills 2,229 2,026 1,292
As % of all contract IT jobs advertised in the East of England 88.66% 89.49% 86.02%
Number of daily rates quoted 1,383 1,155 802
10th Percentile £200 £155 £218
25th Percentile £363 £288 £330
Median daily rate (50th Percentile) £485 £425 £444
Median % change year-on-year +14.12% -4.33% -1.28%
75th Percentile £600 £538 £525
90th Percentile £675 £613 £600
England median daily rate £550 £500 £488
% change year-on-year +10.00% +2.56% +2.63%
Number of hourly rates quoted 397 299 80
10th Percentile £13.25 £12.25 £13.00
25th Percentile £14.25 £12.50 £14.61
Median hourly rate £20.50 £13.50 £22.25
Median % change year-on-year +51.85% -39.33% +30.88%
75th Percentile £52.50 £24.25 £47.50
90th Percentile £65.00 £50.00 £57.73
England median hourly rate £26.98 £20.50 £22.50
% change year-on-year +31.61% -8.89% +7.14%

API Development
Job Vacancy Trend in the East of England

Job postings citing API Development as a proportion of all IT jobs advertised in the East of England.

Job vacancy trend for API Development in the East of England

API Development
Contractor Daily Rate Trend in the East of England

3-month moving average daily rate quoted in jobs citing API Development in the East of England.

Daily rate trend for API Development in the East of England

API Development
Daily Rate Histogram in the East of England

Daily rate distribution for jobs citing API Development in the East of England over the 6 months to 19 August 2022.

Daily rate histogram for API Development in the East of England

API Development
Contractor Hourly Rate Trend in the East of England

3-month moving average hourly rates quoted in jobs citing API Development in the East of England.

Hourly rate trend for API Development in the East of England

API Development
Contract Job Locations in the East of England

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 East of England region over the 6 months to 19 August 2022. 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
Suffolk - 9 £640 -
Cambridgeshire -9 6 £500 +25.00% 2
Essex +2 3 £493 +9.56%
Hertfordshire -4 3 £475 -13.64%
API Development
England

For the 6 months to 19 August 2022, IT contractor jobs citing API Development also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the East of England region with a requirement for API Development.

1 15 (71.43%) Azure
2 14 (66.67%) C#
3 13 (61.90%) Agile
4 10 (47.62%) Full Stack Development
5 9 (42.86%) SQL
5 9 (42.86%) Microservices
6 8 (38.10%) .NET
6 8 (38.10%) CSS
6 8 (38.10%) Git (software)
6 8 (38.10%) CI/CD
7 7 (33.33%) Azure DevOps
7 7 (33.33%) Azure Service Bus
7 7 (33.33%) Azure Storage
7 7 (33.33%) Jenkins
7 7 (33.33%) DevOps
7 7 (33.33%) Azure SQL Database
7 7 (33.33%) TypeScript
8 6 (28.57%) React
8 6 (28.57%) HTML
8 6 (28.57%) OO
9 5 (23.81%) Java
9 5 (23.81%) JavaScript
9 5 (23.81%) HTML5
9 5 (23.81%) Spring
9 5 (23.81%) CSS3
9 5 (23.81%) Performance Optimisation
9 5 (23.81%) git-flow
10 4 (19.05%) ES6
10 4 (19.05%) Redux
10 4 (19.05%) BlazeMeter

API Development
Co-occurring IT Skills in the East of England 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 1 (4.76%) Apache Airflow
Applications
1 1 (4.76%) Chatbot
Cloud Services
1 15 (71.43%) Azure
2 7 (33.33%) Azure DevOps
2 7 (33.33%) Azure Service Bus
2 7 (33.33%) Azure Storage
3 4 (19.05%) BlazeMeter
4 3 (14.29%) GitHub
5 1 (4.76%) AWS
5 1 (4.76%) Dialogflow
5 1 (4.76%) npm
5 1 (4.76%) Yarn
Database & Business Intelligence
1 7 (33.33%) Azure SQL Database
2 3 (14.29%) SQL Server
3 2 (9.52%) Data Warehouse
4 1 (4.76%) Geospatial Data
4 1 (4.76%) GIS
4 1 (4.76%) MongoDB
4 1 (4.76%) NoSQL
4 1 (4.76%) Relational Database
4 1 (4.76%) SQL Server Integration Services
4 1 (4.76%) SQL Server Reporting Services
Development Applications
1 8 (38.10%) Git (software)
2 7 (33.33%) Jenkins
3 5 (23.81%) git-flow
4 4 (19.05%) JMeter
4 4 (19.05%) Selenium
5 1 (4.76%) Bitbucket
5 1 (4.76%) GitLab
5 1 (4.76%) Gradle
5 1 (4.76%) Maven
5 1 (4.76%) Team Foundation Server
General
1 2 (9.52%) Finance
2 1 (4.76%) Publishing
2 1 (4.76%) Wearables
Job Titles
1 18 (85.71%) Developer
2 9 (42.86%) Full Stack Developer
3 8 (38.10%) C# Developer
4 5 (23.81%) Azure Developer
4 5 (23.81%) SQL Developer
5 4 (19.05%) .NET Developer
6 3 (14.29%) C# .NET Developer
6 3 (14.29%) Software Developer
7 2 (9.52%) Angular Developer
7 2 (9.52%) Database Developer
7 2 (9.52%) Software Engineer
7 2 (9.52%) SQL Database Developer
8 1 (4.76%) C# Software Developer
8 1 (4.76%) C++ Developer
8 1 (4.76%) Graphics Developer
8 1 (4.76%) Java Engineer
8 1 (4.76%) Java Software Developer
8 1 (4.76%) Java Software Engineer
8 1 (4.76%) Python Developer
8 1 (4.76%) Technical Solutions Architect
Libraries, Frameworks & Software Standards
1 8 (38.10%) .NET
1 8 (38.10%) CSS
2 6 (28.57%) HTML
2 6 (28.57%) React
3 5 (23.81%) CSS3
3 5 (23.81%) HTML5
3 5 (23.81%) Spring
4 4 (19.05%) Redux
4 4 (19.05%) Web Services
5 3 (14.29%) AngularJS
6 2 (9.52%) .NET Core
6 2 (9.52%) ASP.NET Web API
6 2 (9.52%) REST
6 2 (9.52%) Spring Batch
7 1 (4.76%) GraphQL
7 1 (4.76%) React Native
7 1 (4.76%) Unity (Game Engine)
7 1 (4.76%) Vue.js
7 1 (4.76%) Vuetify.js
7 1 (4.76%) Vulkan
Miscellaneous
1 1 (4.76%) CUDA
1 1 (4.76%) Mobile App
1 1 (4.76%) RIA
Operating Systems
1 1 (4.76%) Apple iOS
1 1 (4.76%) Linux
Processes & Methodologies
1 13 (61.90%) Agile
2 10 (47.62%) Full Stack Development
3 9 (42.86%) Microservices
4 8 (38.10%) CI/CD
5 7 (33.33%) DevOps
6 6 (28.57%) OO
7 5 (23.81%) Performance Optimisation
8 4 (19.05%) Web Development
9 3 (14.29%) Software Engineering
10 2 (9.52%) API Design
10 2 (9.52%) Backlog Prioritisation
10 2 (9.52%) Lead Generation
10 2 (9.52%) User-Centered Design (UCD)
10 2 (9.52%) Wireframes
11 1 (4.76%) API Integration
11 1 (4.76%) Conversational UI
11 1 (4.76%) Data Pipeline
11 1 (4.76%) Data Science
11 1 (4.76%) Problem-Solving
11 1 (4.76%) Translating Business Requirements
Programming Languages
1 14 (66.67%) C#
2 9 (42.86%) SQL
3 7 (33.33%) TypeScript
4 5 (23.81%) Java
4 5 (23.81%) JavaScript
5 4 (19.05%) ES6
6 1 (4.76%) Apple Swift
6 1 (4.76%) C++
6 1 (4.76%) Groovy
6 1 (4.76%) Objective-C
6 1 (4.76%) Python
6 1 (4.76%) T-SQL
Qualifications
1 1 (4.76%) SC Cleared
1 1 (4.76%) Security Cleared
System Software
1 2 (9.52%) Docker
Systems Management
1 1 (4.76%) Kubernetes
Vendors
1 2 (9.52%) Teradata
2 1 (4.76%) Luciad
2 1 (4.76%) MuleSoft