The following table provides summary statistics for contract job vacancies with a requirement for Ontologies skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Ontologies over the 3 months to 25 April 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.

Ontology
UK
3 months to
25 Apr 2017
Same period 2016 Same period 2015
Rank 590 650 643
Rank change year-on-year +60 -7  
Contract jobs citing Ontologies 14 3 5
As % of all contract IT jobs advertised in the UK 0.030% 0.005% 0.009%
As % of the Processes & Methodologies category 0.036% 0.006% 0.011%
Number of daily rates quoted 14 2 5
Median daily rate £613 £725 £550
Median daily rate % change year-on-year -15.51% +31.81%  
90% offered a daily rate of more than £455 £505 £330
10% offered a daily rate of more than £743 £945 £695
UK excluding London median daily rate £475 - £330
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -

Ontologies is in the process and methodology skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies with a requirement for process and methodology skills.

Contract Process & Methodology Skills
UK
Contract job vacancies with a requirement for process and methodology skills 38739 46308 45398
As % of all contract IT job vacancies advertised in the UK 83.57% 82.87% 79.99%
Number of daily rates quoted 25492 30609 28223
Median daily rate £450 £438 £413
Median daily rate % change year-on-year +2.85% +6.06%  
90% offered a daily rate of more than £300 £300 £280
10% offered a daily rate of more than £600 £600 £575
UK excluding London median daily rate £413 £400 £393
% change year-on-year +3.12% +1.91%  
Number of hourly rates quoted 986 1086 1331
Median hourly rate £35.00 £34.25 £29.00
Median hourly rate % change year-on-year +2.18% +18.10%  
90% offered a hourly rate of more than £13.00 £12.82 £12.00
10% offered a hourly rate of more than £53.00 £50.00 £47.79
UK excluding London median hourly rate £36.00 £36.52 £30.35
% change year-on-year -1.42% +20.32%  

Ontologies
Job Vacancy Trend

The job posting trend of jobs advertised citing Ontologies as a proportion of all contract or permanent IT jobs with a match in the Processes & Methodologies category.

Job vacancy trend for Ontologies in the UK

Ontologies
Contractor Daily Rate Trend

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

Contractor daily rate trend for Ontologies in the UK

Ontologies
Contractor Daily Rate Histogram

The daily rate distribution of IT jobs citing Ontologies over the 3 months to 25 April 2017.

Contractor daily rate histogram for Ontologies in the UK

Ontologies
Top 7 Contract Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Ontologies within the UK over the 3 months to 25 April 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 +46 11 £625 -13.79% 6
London +36 9 £700 -3.44% 4
Edinburgh - 3 £500 -
Scotland - 3 £500 -
Berkshire - 2 £455 -
South East - 2 £455 -
City of London +11 1 £725 +61.11% 2

For the 6 months to 25 April 2017, IT contractor jobs citing Ontologies 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 Ontologies.

1 8 (44.44%) Banking
2 7 (38.89%) Hadoop
3 6 (33.33%) Machine Learning
3 6 (33.33%) Project Management
4 5 (27.78%) Data Modelling
4 5 (27.78%) Chemistry
4 5 (27.78%) Biology
4 5 (27.78%) Life Science
4 5 (27.78%) Agile Software Development
4 5 (27.78%) SPARQL
5 4 (22.22%) Apache Cassandra
5 4 (22.22%) Big Data
5 4 (22.22%) Apache Spark
5 4 (22.22%) Coaching
5 4 (22.22%) Semantic Search
5 4 (22.22%) Apache Solr
5 4 (22.22%) Taxonomies
5 4 (22.22%) Lucene
5 4 (22.22%) Tandem
5 4 (22.22%) Data Management
5 4 (22.22%) SAS
6 3 (16.67%) ETL
6 3 (16.67%) Apache
6 3 (16.67%) Data Warehouse
6 3 (16.67%) Finance
6 3 (16.67%) Teradata
6 3 (16.67%) Retail
6 3 (16.67%) Retail Banking
6 3 (16.67%) Linked Data
6 3 (16.67%) Cloudera

Ontologies
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:

Application Platforms
1 4 (22.22%) Apache Solr
1 4 (22.22%) Apache Spark
1 4 (22.22%) SAS
2 3 (16.67%) Apache
3 1 (5.56%) CMS
Applications
1 1 (5.56%) SPSS
Cloud Services
1 1 (5.56%) Google Cloud Platform
Database & Business Intelligence
1 7 (38.89%) Hadoop
2 4 (22.22%) Apache Cassandra
2 4 (22.22%) Big Data
3 3 (16.67%) Data Warehouse
4 2 (11.11%) OLAP
5 1 (5.56%) Enterprise Data Warehouse
5 1 (5.56%) Mahout
5 1 (5.56%) NoSQL
General
1 8 (44.44%) Banking
2 3 (16.67%) Finance
2 3 (16.67%) Retail
2 3 (16.67%) Retail Banking
3 2 (11.11%) Investment Banking
4 1 (5.56%) Advertising
4 1 (5.56%) Games
4 1 (5.56%) Legal
4 1 (5.56%) Marketing
Job Titles
1 5 (27.78%) Project Manager
2 3 (16.67%) Designer
2 3 (16.67%) Solutions Designer
3 2 (11.11%) Architect
3 2 (11.11%) Development Manager
4 1 (5.56%) Agile Development Manager
4 1 (5.56%) Analyst
4 1 (5.56%) Content Manager
4 1 (5.56%) Data Architect
4 1 (5.56%) Data Modeller
4 1 (5.56%) Delivery Manager
4 1 (5.56%) Developer
4 1 (5.56%) Engineering Manager
4 1 (5.56%) Functional Architect
4 1 (5.56%) IT Director
4 1 (5.56%) Java Development Manager
4 1 (5.56%) Python Developer
4 1 (5.56%) Report Analyst
4 1 (5.56%) Web Content Manager
4 1 (5.56%) Web Manager
Libraries, Frameworks & Software Standards
1 4 (22.22%) Lucene
2 1 (5.56%) CSS
2 1 (5.56%) HTML
2 1 (5.56%) MLlib
2 1 (5.56%) Natural Language Processing
2 1 (5.56%) RESTful
2 1 (5.56%) UIMA
Miscellaneous
1 5 (27.78%) Life Science
2 4 (22.22%) Tandem
2 4 (22.22%) Taxonomies
3 3 (16.67%) Linked Data
4 2 (11.11%) Data Structures
4 2 (11.11%) Equities
4 2 (11.11%) Foreign Exchange (FX)
5 1 (5.56%) Analytical Skills
5 1 (5.56%) Management Information System
5 1 (5.56%) Online Banking
5 1 (5.56%) Reference Data
5 1 (5.56%) User Experience
Processes & Methodologies
1 6 (33.33%) Machine Learning
1 6 (33.33%) Project Management
2 5 (27.78%) Agile Software Development
2 5 (27.78%) Biology
2 5 (27.78%) Chemistry
2 5 (27.78%) Data Modelling
3 4 (22.22%) Coaching
3 4 (22.22%) Data Management
3 4 (22.22%) Semantic Search
4 3 (16.67%) ETL
4 3 (16.67%) Master Data Management
5 2 (11.11%) Conceptual Models
5 2 (11.11%) Content Management
5 2 (11.11%) Data Visualisation
5 2 (11.11%) Information Retrieval
5 2 (11.11%) Stakeholder Management
5 2 (11.11%) Visualisation
6 1 (5.56%) Content Marketing
6 1 (5.56%) Matrix Organization
6 1 (5.56%) Open Source
Programming Languages
1 5 (27.78%) SPARQL
2 2 (11.11%) Java
2 2 (11.11%) SQL
3 1 (5.56%) MATLAB
3 1 (5.56%) Python
3 1 (5.56%) R
Quality Assurance & Compliance
1 2 (11.11%) MiFID
2 1 (5.56%) Basel III
2 1 (5.56%) CRD IV
2 1 (5.56%) IFRS
System Software
1 1 (5.56%) Docker
Systems Management
1 1 (5.56%) Kubernetes
Vendors
1 3 (16.67%) Cloudera
1 3 (16.67%) Teradata
2 1 (5.56%) Google
2 1 (5.56%) IBM
London
TEKsystems
Rate: £800 - £900 per day
Posted: 6 days ago
City, London
TEKsystems
Rate: £600 - £700 per day
Posted: 5 days ago
England
Hays London City Cheapside
Rate: £600.00 - £630.00 per day
Posted: 6 days ago
UK
Hays Finance Technology
Rate: £600.00 - £630.00 per day
Posted: 5 days ago