Period
to 22 October 2018

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 22 October 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
South East > Oxfordshire
6 months to
22 Oct 2018
Same period 2017 Same period 2016
Rank 84 84 93
Rank change year-on-year 0 +9 +9
Contract jobs citing API Development 12 16 18
As % of all contract IT jobs advertised in Oxfordshire 0.98% 1.33% 1.43%
As % of the Processes & Methodologies category 1.11% 1.56% 1.65%
Number of daily rates quoted 12 16 18
Oxfordshire median daily rate £500 £450 £388
Median daily rate % change year-on-year +11.11% +16.13% -3.43%
South East median daily rate £425 £425 £383
% change year-on-year - +11.11% -8.66%
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 1,077 1,027 1,093
As % of all contract IT jobs advertised in Oxfordshire 87.92% 85.23% 87.02%
Number of daily rates quoted 788 808 787
Oxfordshire median daily rate £450 £450 £425
Median daily rate % change year-on-year - +5.88% +6.25%
10th Percentile £300 £294 £250
90th Percentile £600 £588 £538
South East median daily rate £435 £425 £400
% change year-on-year +2.35% +6.25% +3.23%
Number of hourly rates quoted 39 20 36
Oxfordshire median hourly rate £22.93 £22.75 £17.75
Median hourly rate % change year-on-year +0.79% +28.17% -19.32%
10th Percentile £13.75 £11.92 £13.65
90th Percentile £49.50 £77.50 £45.88
South East median hourly rate £27.00 £22.25 £22.50
% change year-on-year +21.35% -1.11% -1.81%

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
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 22 October 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
Oxford +12 9 £500 +11.11% 3
Henley-on-Thames - 1 £525 -
API Development
South East

For the 6 months to 22 October 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 Oxfordshire region with a requirement for API Development.

1 12 (100.00%) JavaScript
2 11 (91.67%) Agile Software Development
3 9 (75.00%) PHP
3 9 (75.00%) OO
3 9 (75.00%) Symfony
3 9 (75.00%) Node.js
3 9 (75.00%) OO PHP
3 9 (75.00%) Digital Transformation Programme
4 2 (16.67%) Data Security
4 2 (16.67%) Scrum
4 2 (16.67%) TDD
4 2 (16.67%) Software Engineering
4 2 (16.67%) Technical Architecture
4 2 (16.67%) Java EE
4 2 (16.67%) Python
4 2 (16.67%) C#
4 2 (16.67%) C++
4 2 (16.67%) Microservices
4 2 (16.67%) Scala
4 2 (16.67%) Amazon AWS
4 2 (16.67%) Java
4 2 (16.67%) Go
4 2 (16.67%) Machine Learning
4 2 (16.67%) Big Data
4 2 (16.67%) Functional Testing
4 2 (16.67%) Kanban
4 2 (16.67%) SDLC
4 2 (16.67%) GDPR
5 1 (8.33%) RESTful
5 1 (8.33%) AngularJS

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:

Cloud Services
1 2 (16.67%) Amazon AWS
Database & Business Intelligence
1 2 (16.67%) Big Data
Job Titles
1 9 (75.00%) JavaScript Engineer
2 3 (25.00%) Developer
3 2 (16.67%) Backend Developer
3 2 (16.67%) Java Developer
4 1 (8.33%) Front End Developer (Client-Side Developer)
Libraries, Frameworks & Software Standards
1 9 (75.00%) Node.js
1 9 (75.00%) Symfony
2 2 (16.67%) Java EE
3 1 (8.33%) AngularJS
3 1 (8.33%) CSS
3 1 (8.33%) HTML
3 1 (8.33%) React
3 1 (8.33%) RESTful
3 1 (8.33%) Web Services
Processes & Methodologies
1 11 (91.67%) Agile Software Development
2 9 (75.00%) Digital Transformation Programme
2 9 (75.00%) OO
2 9 (75.00%) OO PHP
3 2 (16.67%) Data Security
3 2 (16.67%) Functional Testing
3 2 (16.67%) Kanban
3 2 (16.67%) Machine Learning
3 2 (16.67%) Microservices
3 2 (16.67%) Scrum
3 2 (16.67%) SDLC
3 2 (16.67%) Software Engineering
3 2 (16.67%) TDD
3 2 (16.67%) Technical Architecture
4 1 (8.33%) Asset Management
4 1 (8.33%) Front End Development
4 1 (8.33%) User Stories
Programming Languages
1 12 (100.00%) JavaScript
2 9 (75.00%) PHP
3 2 (16.67%) C#
3 2 (16.67%) C++
3 2 (16.67%) Go
3 2 (16.67%) Java
3 2 (16.67%) Python
3 2 (16.67%) Scala
Quality Assurance & Compliance
1 2 (16.67%) GDPR