Period
to 21 January 2018

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 6 months to 21 January 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.

Ontology
UK
6 months to
21 Jan 2018
Same period 2017 Same period 2016
Rank 847 809 836
Rank change year-on-year -38 +27 +17
Contract jobs citing Ontologies 30 40 45
As % of all contract IT jobs advertised in the UK 0.030% 0.042% 0.042%
As % of the Processes & Methodologies category 0.036% 0.050% 0.051%
Number of daily rates quoted 23 33 32
UK median daily rate £620 £463 £448
Median daily rate % change year-on-year +34.05% +3.35% +11.88%
10th Percentile £520 £365 £315
90th Percentile £710 £675 £638
UK excluding London median daily rate £550 £450 £338
% change year-on-year +22.22% +33.33% -23.73%
Number of hourly rates quoted 0 0 0
UK median hourly rate - - -
UK excluding London median hourly rate - - -

Ontologies 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 with a requirement for process or methodology skills.

All Process and Methodology Skills
UK
Contract vacancies with a requirement for process or methodology skills 83,462 80,467 89,057
As % of all contract IT jobs advertised in the UK 84.53% 83.78% 82.48%
Number of daily rates quoted 55,891 53,304 57,800
UK median daily rate £450 £425 £425
Median daily rate % change year-on-year +5.88% - +6.25%
10th Percentile £285 £263 £263
90th Percentile £638 £613 £600
UK excluding London median daily rate £410 £400 £390
% change year-on-year +2.50% +2.56% +4.00%
Number of hourly rates quoted 1,947 2,244 2,718
UK median hourly rate £23.50 £24.50 £23.75
Median hourly rate % change year-on-year -4.08% +3.16% +18.75%
10th Percentile £11.31 £11.25 £11.25
90th Percentile £50.00 £48.75 £50.00
UK excluding London median hourly rate £24.02 £24.50 £25.00
% change year-on-year -1.96% -2.00% +25.00%

Ontologies
Job Vacancy Trend

Job postings citing Ontologies as a percentage of all IT jobs advertised.

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 6 months to 21 January 2018.

Contractor daily rate histogram for Ontologies in the UK

Ontologies
Top 8 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 6 months to 21 January 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
England -17 28 £618 +33.51% 13
London -38 23 £625 +33.33% 9
UK excluding London +2 6 £550 +22.22% 4
Scotland -15 2 £750 +66.67%
South East -18 2 £550 +30.95%
South West +1 1 £525 +50.54% 2
East Midlands - 1 - -
Midlands - 1 - -

For the 6 months to 21 January 2018, 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 22 (73.33%) Analytics
2 20 (66.67%) Management Information System
3 18 (60.00%) Data Modelling
4 16 (53.33%) Big Data
5 15 (50.00%) Business Intelligence
5 15 (50.00%) Data Management
6 14 (46.67%) Information Architecture
7 13 (43.33%) Migration
8 12 (40.00%) Data Governance
8 12 (40.00%) Hadoop
8 12 (40.00%) Master Data Management
8 12 (40.00%) Data Strategy
9 11 (36.67%) Data Analytics
9 11 (36.67%) Apache Spark
9 11 (36.67%) Logical Data Model
9 11 (36.67%) Visualisation
9 11 (36.67%) Data Architecture
10 10 (33.33%) Data Migration
10 10 (33.33%) Data Quality
10 10 (33.33%) Machine Learning
10 10 (33.33%) Open Source
10 10 (33.33%) Natural Language Processing
10 10 (33.33%) Business Analytics
10 10 (33.33%) Data Security
10 10 (33.33%) Data Analysis
10 10 (33.33%) Taxonomies
10 10 (33.33%) IT Strategy
11 9 (30.00%) Information Management
11 9 (30.00%) TOGAF
11 9 (30.00%) Agile Software Development

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 11 (36.67%) Apache Spark
2 8 (26.67%) Apache
2 8 (26.67%) SAS
3 1 (3.33%) Oracle SOA Suite
Applications
1 8 (26.67%) SPSS
Cloud Services
1 2 (6.67%) Google Cloud Platform
Database & Business Intelligence
1 16 (53.33%) Big Data
2 12 (40.00%) Hadoop
3 9 (30.00%) RDBMS
3 9 (30.00%) Relational Database
4 8 (26.67%) Mahout
4 8 (26.67%) NoSQL
5 7 (23.33%) Data Warehouse
6 5 (16.67%) Neo4j
7 2 (6.67%) Apache Hive
7 2 (6.67%) BusinessObjects
8 1 (3.33%) Data Mining
8 1 (3.33%) GIS
8 1 (3.33%) HBase
8 1 (3.33%) Impala
8 1 (3.33%) Pentaho
8 1 (3.33%) Power BI
8 1 (3.33%) SAP BW
8 1 (3.33%) SAP HANA
8 1 (3.33%) Spatial Data
8 1 (3.33%) SQL Server
Development Applications
1 9 (30.00%) ERwin
2 1 (3.33%) PowerDesigner
General
1 9 (30.00%) Banking
1 9 (30.00%) Legal
2 8 (26.67%) Finance
3 3 (10.00%) Billing
3 3 (10.00%) Manufacturing
4 2 (6.67%) Advertising
5 1 (3.33%) Retail Banking
5 1 (3.33%) Telecoms
Job Titles
1 28 (93.33%) Architect
2 21 (70.00%) Data Architect
3 6 (20.00%) Big Data Architect
3 6 (20.00%) Lead Architect
4 4 (13.33%) Information Architect
5 3 (10.00%) Artificial Intelligence Architect
5 3 (10.00%) Lead Data Architect
6 2 (6.67%) Senior Architect
7 1 (3.33%) Analyst
7 1 (3.33%) Big Data Engineer
7 1 (3.33%) Data Analyst
7 1 (3.33%) Data Engineer
7 1 (3.33%) Data Scientist
7 1 (3.33%) Hadoop Architect
7 1 (3.33%) Senior Data Architect
7 1 (3.33%) Senior Information Architect
7 1 (3.33%) Telecoms Analyst
7 1 (3.33%) Telecoms Data Analyst
7 1 (3.33%) Transformation Programme Architect
Libraries, Frameworks & Software Standards
1 10 (33.33%) Natural Language Processing
2 8 (26.67%) MLlib
3 3 (10.00%) Kafka
4 2 (6.67%) FIXML
4 2 (6.67%) FpML
4 2 (6.67%) JSON
4 2 (6.67%) POJO
4 2 (6.67%) UIMA
4 2 (6.67%) XML
4 2 (6.67%) XSD
5 1 (3.33%) Web Services
Miscellaneous
1 20 (66.67%) Management Information System
2 10 (33.33%) Taxonomies
3 8 (26.67%) Linked Data
4 5 (16.67%) Robotics
5 2 (6.67%) Analytical Skills
5 2 (6.67%) Derivative
5 2 (6.67%) Social Media
6 1 (3.33%) Data Structures
6 1 (3.33%) Smart City
6 1 (3.33%) Virtual Team
6 1 (3.33%) Wiki
Processes & Methodologies
1 22 (73.33%) Analytics
2 18 (60.00%) Data Modelling
3 15 (50.00%) Business Intelligence
3 15 (50.00%) Data Management
4 14 (46.67%) Information Architecture
5 13 (43.33%) Migration
6 12 (40.00%) Data Governance
6 12 (40.00%) Data Strategy
6 12 (40.00%) Master Data Management
7 11 (36.67%) Data Analytics
7 11 (36.67%) Data Architecture
7 11 (36.67%) Logical Data Model
7 11 (36.67%) Visualisation
8 10 (33.33%) Business Analytics
8 10 (33.33%) Data Analysis
8 10 (33.33%) Data Migration
8 10 (33.33%) Data Security
8 10 (33.33%) IT Strategy
8 10 (33.33%) Machine Learning
8 10 (33.33%) Open Source
Programming Languages
1 9 (30.00%) R
2 8 (26.67%) MATLAB
2 8 (26.67%) SPARQL
3 4 (13.33%) Scala
3 4 (13.33%) SQL
4 3 (10.00%) Python
Qualifications
1 1 (3.33%) Postgraduate
Quality Assurance & Compliance
1 10 (33.33%) Data Quality
2 2 (6.67%) GDPR
2 2 (6.67%) ISO 20022
3 1 (3.33%) BS7666
3 1 (3.33%) QA
Vendors
1 9 (30.00%) IBM
2 5 (16.67%) Blue Prism
3 4 (13.33%) Oracle
4 2 (6.67%) Google
4 2 (6.67%) Tableau
5 1 (3.33%) Informatica
5 1 (3.33%) SAP
5 1 (3.33%) Teradata