Period
to 19 September 2018

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 September 2018 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 Sep 2018
Same period 2017 Same period 2016
Rank 175 168 181
Rank change year-on-year -7 +13 +20
Contract jobs citing API Development 38 33 13
As % of all contract IT jobs advertised in the East of England 0.75% 0.68% 0.26%
As % of the Processes & Methodologies category 0.89% 0.79% 0.31%
Number of daily rates quoted 30 31 6
East of England median daily rate £405 £450 £388
Median daily rate % change year-on-year -10.00% +16.13% -8.82%
10th Percentile £325 £350 £313
90th Percentile £538 £525 £513
England median daily rate £475 £475 £475
Number of hourly rates quoted 0 0 0
East of England median hourly rate - - -
England median hourly rate - £39.00 -

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 4,287 4,155 4,143
As % of all contract IT jobs advertised in the East of England 85.09% 85.14% 82.48%
Number of daily rates quoted 2,464 2,400 2,380
East of England median daily rate £435 £425 £400
Median daily rate % change year-on-year +2.35% +6.25% +3.90%
10th Percentile £240 £240 £225
90th Percentile £588 £575 £550
England median daily rate £465 £450 £425
% change year-on-year +3.33% +5.88% +3.03%
Number of hourly rates quoted 260 276 323
East of England median hourly rate £17.50 £26.22 £25.00
Median hourly rate % change year-on-year -33.26% +4.88% +3.49%
10th Percentile £11.18 £12.00 £14.00
90th Percentile £47.58 £47.75 £46.06
England median hourly rate £21.00 £23.14 £23.00
% change year-on-year -9.25% +0.61% +4.55%

API Development
Job Vacancy Trend in the East of England

Job postings citing API Development as a percentage 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

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing API Development in the East of England.

Contractor daily rate trend for API Development in the East of England

API Development
Contractor Daily Rate Histogram in the East of England

The daily rate distribution of IT jobs citing API Development in the East of England over the 6 months to 19 September 2018.

Contractor daily rate histogram 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 September 2018. 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
Job
Vacancies
Cambridgeshire +6 10 £425 +26.87% 1
Hertfordshire -9 10 £375 -11.76%
Suffolk -5 9 £525 +23.53%
Norfolk - 6 £419 - 1
Bedfordshire -5 2 £344 -31.25%
Essex -7 1 £525 +16.67% 1
API Development
England

For the 6 months to 19 September 2018, 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 20 (52.63%) JavaScript
2 19 (50.00%) Java
2 19 (50.00%) Agile Software Development
3 18 (47.37%) Jenkins
4 14 (36.84%) RESTful
5 12 (31.58%) Microsoft Azure
5 12 (31.58%) CSS
5 12 (31.58%) HTML
5 12 (31.58%) REST
5 12 (31.58%) Spring Boot
6 11 (28.95%) AngularJS
6 11 (28.95%) .NET
7 10 (26.32%) Amazon AWS
7 10 (26.32%) Sass
7 10 (26.32%) Front End Development
8 9 (23.68%) React
8 9 (23.68%) Angular 2
8 9 (23.68%) TypeScript
8 9 (23.68%) Relational Database
8 9 (23.68%) TDD
8 9 (23.68%) Web Development
8 9 (23.68%) Web Services
9 8 (21.05%) Unix
9 8 (21.05%) Continuous Integration
9 8 (21.05%) Git (software)
9 8 (21.05%) HTML5
9 8 (21.05%) Memcached
9 8 (21.05%) Node.js
9 8 (21.05%) Redis
9 8 (21.05%) Microservices

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 4 (10.53%) Apache ServiceMix
1 4 (10.53%) JBoss
2 2 (5.26%) WebLogic
3 1 (2.63%) Mule
3 1 (2.63%) SharePoint
Applications
1 1 (2.63%) Microsoft Excel
Cloud Services
1 12 (31.58%) Microsoft Azure
2 10 (26.32%) Amazon AWS
3 2 (5.26%) Amazon EC2
3 2 (5.26%) AWS Lambda
3 2 (5.26%) Serverless
4 1 (2.63%) GitHub
4 1 (2.63%) iPaaS
4 1 (2.63%) Office 365
4 1 (2.63%) SaaS
4 1 (2.63%) SuccessFactors
Communications & Networking
1 1 (2.63%) Internet
Database & Business Intelligence
1 9 (23.68%) Relational Database
2 8 (21.05%) Redis
3 6 (15.79%) Apache Cassandra
3 6 (15.79%) PostgreSQL
4 5 (13.16%) SQL Server
5 2 (5.26%) Crystal Reports
6 1 (2.63%) Data Warehouse
6 1 (2.63%) dBASE
6 1 (2.63%) SQL Server 2008
6 1 (2.63%) SQL Server 2012
6 1 (2.63%) SQL Server 2016
6 1 (2.63%) SQL Server Analysis Services
6 1 (2.63%) SQL Server Integration Services
6 1 (2.63%) SQL Server Reporting Services
Development Applications
1 18 (47.37%) Jenkins
2 8 (21.05%) Git (software)
2 8 (21.05%) webpack
3 6 (15.79%) git-flow
3 6 (15.79%) JUnit
3 6 (15.79%) Selenium
4 4 (10.53%) Cucumber
4 4 (10.53%) Maven
5 3 (7.89%) Visual Studio
6 2 (5.26%) Mockito
6 2 (5.26%) Team Foundation Server
7 1 (2.63%) Grunt
7 1 (2.63%) gulp
7 1 (2.63%) MSTest
7 1 (2.63%) NUnit
7 1 (2.63%) Octopus Deploy
7 1 (2.63%) Visual Studio Team System
General
1 3 (7.89%) Finance
2 1 (2.63%) Banking
2 1 (2.63%) Electronics
2 1 (2.63%) Law
2 1 (2.63%) Manufacturing
2 1 (2.63%) Marketing
2 1 (2.63%) Multimedia
2 1 (2.63%) Pharmaceutical
2 1 (2.63%) Telecoms
Job Titles
1 38 (100.00%) Developer
2 9 (23.68%) .NET Developer
3 8 (21.05%) Front End Developer (Client-Side Developer)
3 8 (21.05%) Java Developer
4 6 (15.79%) Full Stack Developer
5 5 (13.16%) Angular Developer
6 4 (10.53%) C# Developer
6 4 (10.53%) Full Stack Web Developer
6 4 (10.53%) Web Developer
7 3 (7.89%) C# .NET Developer
7 3 (7.89%) JavaScript Developer
7 3 (7.89%) Lead Developer
7 3 (7.89%) Senior Developer
8 2 (5.26%) ASP.NET Developer
8 2 (5.26%) Backend Developer
8 2 (5.26%) C# Software Developer
8 2 (5.26%) Oracle Developer
8 2 (5.26%) Senior C# Software Developer
8 2 (5.26%) Senior Software Developer
8 2 (5.26%) Software Developer
Libraries, Frameworks & Software Standards
1 14 (36.84%) RESTful
2 12 (31.58%) CSS
2 12 (31.58%) HTML
2 12 (31.58%) REST
2 12 (31.58%) Spring Boot
3 11 (28.95%) .NET
3 11 (28.95%) AngularJS
4 10 (26.32%) Sass
5 9 (23.68%) Angular 2
5 9 (23.68%) React
5 9 (23.68%) Web Services
6 8 (21.05%) HTML5
6 8 (21.05%) Memcached
6 8 (21.05%) Node.js
7 6 (15.79%) .NET Framework
7 6 (15.79%) CSS3
8 5 (13.16%) Apache Camel
8 5 (13.16%) ASP.NET
8 5 (13.16%) ASP.NET Web API
8 5 (13.16%) Entity Framework
Miscellaneous
1 3 (7.89%) Greenfield Project
2 2 (5.26%) Analytical Skills
3 1 (2.63%) Computer Science
3 1 (2.63%) Fintech
3 1 (2.63%) Management Information System
3 1 (2.63%) Social Media
Operating Systems
1 8 (21.05%) Unix
2 1 (2.63%) Windows
Processes & Methodologies
1 19 (50.00%) Agile Software Development
2 10 (26.32%) Front End Development
3 9 (23.68%) TDD
3 9 (23.68%) Web Development
4 8 (21.05%) Continuous Integration
4 8 (21.05%) Microservices
4 8 (21.05%) Responsive Web Design
4 8 (21.05%) Wireframes
5 6 (15.79%) Software Engineering
6 5 (13.16%) CQRS
7 4 (10.53%) BDD
7 4 (10.53%) DevOps
8 3 (7.89%) MVC
8 3 (7.89%) Scrum
9 2 (5.26%) Analytical Thinking
9 2 (5.26%) Mentoring
9 2 (5.26%) Problem-Solving
10 1 (2.63%) Analytics
10 1 (2.63%) Data Science
10 1 (2.63%) Webhook
Programming Languages
1 20 (52.63%) JavaScript
2 19 (50.00%) Java
3 9 (23.68%) TypeScript
4 8 (21.05%) ES6
5 7 (18.42%) C#
6 3 (7.89%) SQL
7 1 (2.63%) FoxPro (VFP)
7 1 (2.63%) Java 8
7 1 (2.63%) Java 9
7 1 (2.63%) T-SQL
7 1 (2.63%) VB.NET
Qualifications
1 2 (5.26%) Degree
Quality Assurance & Compliance
1 2 (5.26%) PCI DSS
System Software
1 3 (7.89%) Docker
Systems Management
1 1 (2.63%) Single Sign-On
Vendors
1 8 (21.05%) MuleSoft
2 5 (13.16%) Capita
3 4 (10.53%) Red Hat
4 3 (7.89%) Microsoft
4 3 (7.89%) Oracle
4 3 (7.89%) SAP
4 3 (7.89%) WSO2
5 2 (5.26%) Apigee
5 2 (5.26%) Telerik
6 1 (2.63%) Atlassian
6 1 (2.63%) Facebook
6 1 (2.63%) Google
6 1 (2.63%) Mashery
6 1 (2.63%) Remedy
6 1 (2.63%) Talend
6 1 (2.63%) TIBCO