The following table provides summary statistics for contract job vacancies with a requirement for OpenGL skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited OpenGL over the 3 months to 30 March 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.

OpenGL
UK
3 months to
30 Mar 2017
Same period 2016 Same period 2015
Rank 579 593 589
Rank change year-on-year +14 -4  
Contract jobs citing OpenGL 21 47 36
As % of all contract IT jobs advertised in the UK 0.046% 0.087% 0.067%
As % of the Libraries, Frameworks & Software Standards category 0.15% 0.31% 0.25%
Number of daily rates quoted 11 35 20
Median daily rate £450 £420 £320
Median daily rate % change year-on-year +7.14% +31.25%  
90% offered a daily rate of more than £350 £310 £284
10% offered a daily rate of more than £520 £500 £401
UK excluding London median daily rate £358 £325 £310
% change year-on-year +10.00% +4.83%  
Number of hourly rates quoted 6 2 5
Median hourly rate £45.00 £40.00 £35.00
Median hourly rate % change year-on-year +12.50% +14.28%  
UK excluding London median hourly rate £45.00 £40.00 £37.62
% change year-on-year +12.50% +6.32%  

OpenGL is in the industry standards, technical specifications and software library and framework skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies with a requirement for industry standards, technical specifications and software library and framework skills.

Contract Software Library & Framework Skills
UK
Contract job vacancies with a requirement for industry standards, technical specifications and software library and framework skills 14295 15148 14225
As % of all contract IT job vacancies advertised in the UK 31.40% 27.98% 26.49%
Number of daily rates quoted 9923 10542 9247
Median daily rate £425 £400 £388
Median daily rate % change year-on-year +6.25% +3.22%  
90% offered a daily rate of more than £300 £300 £275
10% offered a daily rate of more than £563 £550 £550
UK excluding London median daily rate £375 £363 £350
% change year-on-year +3.44% +3.57%  
Number of hourly rates quoted 185 222 188
Median hourly rate £42.50 £38.75 £35.00
Median hourly rate % change year-on-year +9.67% +10.71%  
90% offered a hourly rate of more than £16.50 £13.00 £18.60
10% offered a hourly rate of more than £55.00 £60.62 £46.50
UK excluding London median hourly rate £41.00 £38.00 £36.00
% change year-on-year +7.89% +5.55%  

OpenGL
Job Vacancy Trend

The job posting trend of jobs advertised citing OpenGL as a proportion of all contract or permanent IT jobs with a match in the Libraries, Frameworks & Software Standards category.

Job vacancy trend for OpenGL in the UK

OpenGL
Contractor Daily Rate Trend

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

Contractor daily rate trend for OpenGL in the UK

OpenGL
Contractor Daily Rate Histogram

The daily rate distribution of IT jobs citing OpenGL over the 3 months to 30 March 2017.

Contractor daily rate histogram for OpenGL in the UK

OpenGL
Contractor Hourly Rate Trend

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing OpenGL.

Contractor hourly rate trend for OpenGL in the UK

OpenGL
Top 19 Contract Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing OpenGL within the UK over the 3 months to 30 March 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
England +30 21 £450 +3.44% 11
London +21 12 £450 - 3
South East +11 3 £313 +4.16% 1
South West +4 3 £365 - 1
East of England +4 2 - - 1
Wiltshire +3 2 £365 -
Surrey - 2 £275 -
Cambridge - 2 - - 1
Swindon - 2 £365 -
Cambridgeshire - 2 - - 1
City of London +8 1 £475 -5.00% 1
Slough - 1 £350 -
Nottinghamshire - 1 - -
Berkshire - 1 £350 -
Cheltenham - 1 - -
Nottingham - 1 - -
Staines - 1 - -
Gloucestershire - 1 - -
East Midlands - 1 - -

For the 6 months to 30 March 2017, IT contractor jobs citing OpenGL also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads with a requirement for OpenGL.

1 41 (71.93%) C++
2 28 (49.12%) Android
3 26 (45.61%) Android Development
3 26 (45.61%) Agile Software Development
4 20 (35.09%) Linux
5 19 (33.33%) Degree
6 17 (29.82%) Open Source
7 16 (28.07%) Software Engineering
7 16 (28.07%) C
7 16 (28.07%) Android SDK
8 15 (26.32%) Mobile Development
9 14 (24.56%) Qt
9 14 (24.56%) Java
10 12 (21.05%) TDD
10 12 (21.05%) Games
10 12 (21.05%) REST
11 11 (19.30%) Memory Management
11 11 (19.30%) Git (software)
11 11 (19.30%) Continuous Improvement
11 11 (19.30%) Mobile App
11 11 (19.30%) Pair Programming
11 11 (19.30%) QA
11 11 (19.30%) XML
12 10 (17.54%) JSON
12 10 (17.54%) Augmented Reality
13 9 (15.79%) Apple iOS
13 9 (15.79%) Web Services
13 9 (15.79%) Eclipse
14 8 (14.04%) Computer Science
14 8 (14.04%) OpenGL ES

OpenGL
Co-occurring IT Skills 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:

Communications & Networking
1 5 (8.77%) Internet
Development Applications
1 11 (19.30%) Git (software)
2 9 (15.79%) Eclipse
3 5 (8.77%) Android Studio
3 5 (8.77%) Gradle
4 4 (7.02%) Visual Studio
5 3 (5.26%) Xcode
6 2 (3.51%) Bugzilla
6 2 (3.51%) CocoaPods
6 2 (3.51%) Rational Rhapsody
6 2 (3.51%) Subversion
7 1 (1.75%) Qt Creator
General
1 12 (21.05%) Games
2 7 (12.28%) Electronics
3 2 (3.51%) Aerospace
3 2 (3.51%) Automotive
4 1 (1.75%) Multimedia
Job Titles
1 43 (75.44%) Developer
2 20 (35.09%) Android Developer
3 19 (33.33%) C++ Developer
4 9 (15.79%) Software Engineer
5 8 (14.04%) Java Android Developer
5 8 (14.04%) Java Developer
6 7 (12.28%) C++ GUI Developer
6 7 (12.28%) GUI Developer
7 5 (8.77%) Agile Developer
8 4 (7.02%) Graphics Developer
8 4 (7.02%) Mobile Developer
8 4 (7.02%) Qt Developer
9 3 (5.26%) 3D Developer
9 3 (5.26%) Android Engineer
9 3 (5.26%) C++ Software Developer
9 3 (5.26%) Software Developer
10 2 (3.51%) C/C++ Software Engineer
10 2 (3.51%) iOS Android Developer
10 2 (3.51%) Senior Developer
10 2 (3.51%) Unity 3D Developer
Libraries, Frameworks & Software Standards
1 16 (28.07%) Android SDK
2 14 (24.56%) Qt
3 12 (21.05%) REST
4 11 (19.30%) XML
5 10 (17.54%) JSON
6 9 (15.79%) Web Services
7 8 (14.04%) OpenGL ES
8 6 (10.53%) DirectX
9 5 (8.77%) Android NDK
9 5 (8.77%) Unity (Game Engine)
10 4 (7.02%) iOS SDK
10 4 (7.02%) JNI
10 4 (7.02%) OpenCV
11 3 (5.26%) HTML
11 3 (5.26%) Node.js
11 3 (5.26%) OpenCL
11 3 (5.26%) Unreal Engine
12 2 (3.51%) HTML5 Canvas
12 2 (3.51%) Renderscript
12 2 (3.51%) WebGL
Miscellaneous
1 11 (19.30%) Mobile App
2 10 (17.54%) Augmented Reality
3 8 (14.04%) Computer Science
4 6 (10.53%) 3D Graphics
4 6 (10.53%) Embedded Systems
5 5 (8.77%) Algorithms
6 2 (3.51%) Device Driver
6 2 (3.51%) Social Media
7 1 (1.75%) HTC Vive
7 1 (1.75%) iPhone
7 1 (1.75%) Oculus Rift
7 1 (1.75%) Vector Graphics
7 1 (1.75%) Virtual Team
Operating Systems
1 28 (49.12%) Android
2 20 (35.09%) Linux
3 9 (15.79%) Apple iOS
4 5 (8.77%) Windows
5 3 (5.26%) Tizen
6 1 (1.75%) Mac OS X
6 1 (1.75%) Windows Phone
Processes & Methodologies
1 26 (45.61%) Agile Software Development
1 26 (45.61%) Android Development
2 17 (29.82%) Open Source
3 16 (28.07%) Software Engineering
4 15 (26.32%) Mobile Development
5 12 (21.05%) TDD
6 11 (19.30%) Continuous Improvement
6 11 (19.30%) Memory Management
6 11 (19.30%) Pair Programming
7 8 (14.04%) iOS Development
8 7 (12.28%) Game Development
9 6 (10.53%) Embedded Software Development
9 6 (10.53%) Software Testing
10 4 (7.02%) Computer Vision
10 4 (7.02%) Multithreading
11 3 (5.26%) Cross-Platform Development
12 2 (3.51%) 3D Rendering
12 2 (3.51%) Parallel Computing
12 2 (3.51%) Performance Analysis
12 2 (3.51%) Visual Effects
Programming Languages
1 41 (71.93%) C++
2 16 (28.07%) C
3 14 (24.56%) Java
4 7 (12.28%) Python
5 5 (8.77%) GLSL
6 4 (7.02%) JavaScript
7 3 (5.26%) Lua
8 2 (3.51%) Embedded C
9 1 (1.75%) C#
9 1 (1.75%) Objective-C
9 1 (1.75%) SQL
Qualifications
1 19 (33.33%) Degree
2 1 (1.75%) SC Cleared
2 1 (1.75%) Security Cleared
Quality Assurance & Compliance
1 11 (19.30%) QA
2 1 (1.75%) MISRA
2 1 (1.75%) MISRA C
Vendors
1 2 (3.51%) Google
2 1 (1.75%) Green Hills
2 1 (1.75%) Microsoft
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