Period
to 17 December 2017

The following table provides summary statistics for contract job vacancies advertised in Oxfordshire 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 17 December 2017 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
South East > Oxfordshire
6 months to
17 Dec 2017
Same period 2016 Same period 2015
Rank 84 87 103
Rank change year-on-year +3 +16 -13
Contract jobs citing API Development 24 19 2
As % of all contract IT jobs advertised in Oxfordshire 1.99% 1.52% 0.16%
As % of the Processes & Methodologies category 2.37% 1.74% 0.19%
Number of daily rates quoted 21 18 2
Oxfordshire median daily rate £500 £413 £413
Median daily rate % change year-on-year +21.21% - -
10th Percentile £400 £338 £379
90th Percentile £525 £544 £436
South East median daily rate £425 £400 £473
% change year-on-year +6.25% -15.34% +14.55%
Number of hourly rates quoted 0 0 0
Oxfordshire median hourly rate - - -
South East median hourly rate - - -

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 Oxfordshire with a requirement for process or methodology skills.

All Process and Methodology Skills
Oxfordshire
Contract vacancies with a requirement for process or methodology skills 1014 1089 1037
As % of all contract IT jobs advertised in Oxfordshire 83.87% 86.98% 81.14%
Number of daily rates quoted 810 776 781
Oxfordshire median daily rate £450 £433 £400
Median daily rate % change year-on-year +3.99% +8.19% -
10th Percentile £300 £258 £230
90th Percentile £613 £553 £520
South East median daily rate £425 £410 £400
% change year-on-year +3.66% +2.50% +6.67%
Number of hourly rates quoted 17 34 40
Oxfordshire median hourly rate £23.00 £19.00 £22.50
Median hourly rate % change year-on-year +21.05% -15.56% +45.16%
10th Percentile £13.98 £14.13 £12.45
90th Percentile £77.50 £38.83 £57.80
South East median hourly rate £24.02 £25.00 £27.25
% change year-on-year -3.92% -8.26% +55.71%

API Development
Job Vacancy Trend in Oxfordshire

Job postings citing API Development as a percentage of all IT jobs advertised in Oxfordshire.

Job vacancy trend for API Development in Oxfordshire

API Development
Contractor Daily Rate Trend in Oxfordshire

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

Contractor daily rate trend for API Development in Oxfordshire

API Development
Contractor Daily Rate Histogram in Oxfordshire

The daily rate distribution of IT jobs citing API Development in Oxfordshire over the 6 months to 17 December 2017.

Contractor daily rate histogram for API Development in Oxfordshire

API Development
Contract Job Locations in Oxfordshire

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 Oxfordshire region over the 6 months to 17 December 2017. 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
Oxford 0 18 £500 +25.00%
Witney - 2 - -
API Development
South East

For the 6 months to 17 December 2017, IT contractor jobs citing API Development also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the Oxfordshire region with a requirement for API Development.

1 19 (79.17%) Agile Software Development
1 19 (79.17%) TDD
1 19 (79.17%) JSON
2 14 (58.33%) HTML
3 13 (54.17%) CSS
3 13 (54.17%) Continuous Integration
4 12 (50.00%) jQuery
4 12 (50.00%) JavaScript
5 11 (45.83%) PHP
5 11 (45.83%) Web Services
5 11 (45.83%) Web Development
5 11 (45.83%) NoSQL
5 11 (45.83%) LESS
5 11 (45.83%) AngularJS
6 10 (41.67%) BDD
6 10 (41.67%) CSS3
6 10 (41.67%) Java
7 9 (37.50%) Scrum
7 9 (37.50%) Pair Programming
7 9 (37.50%) Unit Testing
7 9 (37.50%) Kanban
7 9 (37.50%) Magento
7 9 (37.50%) Test Automation
7 9 (37.50%) Amazon AWS
7 9 (37.50%) Open Source
7 9 (37.50%) Node.js
7 9 (37.50%) Sass
7 9 (37.50%) Terraform
8 8 (33.33%) Spring
8 8 (33.33%) J2EE

API Development
Co-occurring IT Skills in Oxfordshire 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 3 (12.50%) CMS
2 2 (8.33%) IIS
2 2 (8.33%) Sitecore CMS
Business Applications
1 9 (37.50%) Magento
Cloud Services
1 9 (37.50%) Amazon AWS
Database & Business Intelligence
1 11 (45.83%) NoSQL
2 2 (8.33%) MongoDB
2 2 (8.33%) MySQL
2 2 (8.33%) Redis
2 2 (8.33%) SQL Server
Development Applications
1 4 (16.67%) Git (software)
2 2 (8.33%) Bitbucket
2 2 (8.33%) Grunt
2 2 (8.33%) gulp
2 2 (8.33%) JIRA
2 2 (8.33%) MSBuild
2 2 (8.33%) TeamCity
General
1 1 (4.17%) Publishing
Job Titles
1 21 (87.50%) Developer
2 9 (37.50%) JavaScript Developer
3 8 (33.33%) Agile Developer
3 8 (33.33%) AWS Developer
3 8 (33.33%) Java Developer
3 8 (33.33%) Node.js Developer
4 7 (29.17%) AWS Engineer
4 7 (29.17%) JavaScript Engineer
5 6 (25.00%) Angular Developer
6 3 (12.50%) C# Developer
6 3 (12.50%) C# Web Developer
6 3 (12.50%) Web Developer
7 2 (8.33%) .NET Developer
7 2 (8.33%) .NET Web Developer
7 2 (8.33%) C# .NET Developer
7 2 (8.33%) HTML Developer
7 2 (8.33%) PHP Developer
7 2 (8.33%) PHP Symfony Developer
7 2 (8.33%) Symfony Developer
8 1 (4.17%) Developer/Software Engineer
Libraries, Frameworks & Software Standards
1 19 (79.17%) JSON
2 14 (58.33%) HTML
3 13 (54.17%) CSS
4 12 (50.00%) jQuery
5 11 (45.83%) AngularJS
5 11 (45.83%) LESS
5 11 (45.83%) Web Services
6 10 (41.67%) CSS3
7 9 (37.50%) Node.js
7 9 (37.50%) Sass
8 8 (33.33%) J2EE
8 8 (33.33%) Spring
8 8 (33.33%) XML
9 5 (20.83%) HTML5
10 3 (12.50%) .NET
10 3 (12.50%) .NET Framework
10 3 (12.50%) ASP.NET
10 3 (12.50%) LINQ
11 2 (8.33%) RESTful
11 2 (8.33%) Symfony
Miscellaneous
1 3 (12.50%) Greenfield Project
Processes & Methodologies
1 19 (79.17%) Agile Software Development
1 19 (79.17%) TDD
2 13 (54.17%) Continuous Integration
3 11 (45.83%) Web Development
4 10 (41.67%) BDD
5 9 (37.50%) Kanban
5 9 (37.50%) Open Source
5 9 (37.50%) Pair Programming
5 9 (37.50%) Scrum
5 9 (37.50%) Test Automation
5 9 (37.50%) Unit Testing
6 4 (16.67%) MVC
7 3 (12.50%) Software Engineering
8 2 (8.33%) Collaborative Working
8 2 (8.33%) Domain-Driven Design
8 2 (8.33%) E-Commerce
8 2 (8.33%) Stakeholder Management
9 1 (4.17%) Project Management
9 1 (4.17%) Supplier Management
Programming Languages
1 12 (50.00%) JavaScript
2 11 (45.83%) PHP
3 10 (41.67%) Java
4 3 (12.50%) C#
5 1 (4.17%) SQL
Systems Management
1 9 (37.50%) Terraform
Vendors
1 2 (8.33%) New Relic
1 2 (8.33%) Sitecore
1 2 (8.33%) Splunk
2 1 (4.17%) Infor