Period
to 23 October 2017

The following table provides summary statistics for contract job vacancies advertised in London 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 23 October 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
England > London
6 months to
23 Oct 2017
Same period 2016 Same period 2015
Rank 593 598 599
Rank change year-on-year +5 +1 -15
Contract jobs citing Ontologies 20 19 12
As % of all contract IT jobs advertised in London 0.044% 0.043% 0.026%
As % of the Processes & Methodologies category 0.051% 0.050% 0.031%
Number of daily rates quoted 18 15 12
London median daily rate £628 £475 £488
Median daily rate % change year-on-year +32.11% -2.56% +18.18%
10th Percentile £557 £444 £413
90th Percentile £788 £523 £638
England median daily rate £620 £475 £425
% change year-on-year +30.53% +11.76% -15.08%
Number of hourly rates quoted 0 0 0
London median hourly rate - - -
England 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 advertised in London with a requirement for process or methodology skills.

All Process and Methodology Skills
London
Contract vacancies with a requirement for process or methodology skills 39573 38183 39092
As % of all contract IT jobs advertised in London 86.98% 86.21% 83.45%
Number of daily rates quoted 28725 27471 27967
London median daily rate £500 £468 £450
Median daily rate % change year-on-year +6.95% +3.89% +2.86%
10th Percentile £313 £300 £285
90th Percentile £663 £644 £638
England median daily rate £450 £425 £415
% change year-on-year +5.88% +2.41% +3.75%
Number of hourly rates quoted 356 390 475
London median hourly rate £23.00 £21.69 £20.00
Median hourly rate % change year-on-year +6.04% +8.45% +11.11%
10th Percentile £13.12 £11.49 £11.50
90th Percentile £51.63 £52.75 £52.17
England median hourly rate £25.00 £24.00 £22.00
% change year-on-year +4.17% +9.09% +15.79%

Ontologies
Job Vacancy Trend in London

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

Job vacancy trend for Ontologies in London

Ontologies
Contractor Daily Rate Trend in London

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

Contractor daily rate trend for Ontologies in London

Ontologies
Contractor Daily Rate Histogram in London

The daily rate distribution of IT jobs citing Ontologies in London over the 6 months to 23 October 2017.

Contractor daily rate histogram for Ontologies in London

Ontologies
Contract Job Locations in London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Ontologies within the London region over the 6 months to 23 October 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
Central London +7 2 £650 -
Ontologies
England

For the 6 months to 23 October 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 across the London region with a requirement for Ontologies.

1 13 (65.00%) Big Data
2 11 (55.00%) Natural Language Processing
2 11 (55.00%) Machine Learning
3 10 (50.00%) Banking
3 10 (50.00%) SPARQL
3 10 (50.00%) Hadoop
3 10 (50.00%) Data Analytics
3 10 (50.00%) Analytics
3 10 (50.00%) Apache Spark
4 9 (45.00%) Information Retrieval
4 9 (45.00%) Big Data Analytics
4 9 (45.00%) Open Source
4 9 (45.00%) Management Information System
4 9 (45.00%) Finance
4 9 (45.00%) Apache
4 9 (45.00%) Data Modelling
4 9 (45.00%) IBM
4 9 (45.00%) SPSS
4 9 (45.00%) MATLAB
5 8 (40.00%) RDF
5 8 (40.00%) CRM
5 8 (40.00%) SAS
5 8 (40.00%) R
5 8 (40.00%) Content Management
5 8 (40.00%) Information Management
5 8 (40.00%) Business Analytics
5 8 (40.00%) Mahout
5 8 (40.00%) MLlib
6 7 (35.00%) Artificial Intelligence
7 6 (30.00%) Taxonomies

Ontologies
Co-occurring IT Skills in London 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 10 (50.00%) Apache Spark
2 9 (45.00%) Apache
3 8 (40.00%) SAS
4 2 (10.00%) Apache Solr
Applications
1 9 (45.00%) SPSS
2 1 (5.00%) Microsoft Excel
2 1 (5.00%) Microsoft PowerPoint
Database & Business Intelligence
1 13 (65.00%) Big Data
2 10 (50.00%) Hadoop
3 8 (40.00%) Mahout
4 5 (25.00%) Data Warehouse
5 4 (20.00%) Neo4j
6 2 (10.00%) Apache Cassandra
7 1 (5.00%) BusinessObjects
7 1 (5.00%) NoSQL
7 1 (5.00%) Power BI
7 1 (5.00%) RDBMS
7 1 (5.00%) Relational Database
7 1 (5.00%) SAP BW
7 1 (5.00%) SAP HANA
Development Applications
1 1 (5.00%) ERwin
General
1 10 (50.00%) Banking
2 9 (45.00%) Finance
3 3 (15.00%) Manufacturing
4 2 (10.00%) Marketing
5 1 (5.00%) Financial Institution
Job Titles
1 18 (90.00%) Architect
2 11 (55.00%) Data Architect
3 7 (35.00%) Lead Architect
4 4 (20.00%) Artificial Intelligence Architect
5 3 (15.00%) Information Architect
6 2 (10.00%) Big Data Architect
6 2 (10.00%) Data Warehouse Architect
6 2 (10.00%) Lead Data Architect
6 2 (10.00%) Payments Architect
7 1 (5.00%) Agile Delivery Manager
7 1 (5.00%) Agile Development Manager
7 1 (5.00%) Delivery Manager
7 1 (5.00%) Development Manager
7 1 (5.00%) IT Director
Libraries, Frameworks & Software Standards
1 11 (55.00%) Natural Language Processing
2 8 (40.00%) MLlib
3 4 (20.00%) UIMA
4 2 (10.00%) Lucene
5 1 (5.00%) XSD
Miscellaneous
1 9 (45.00%) Management Information System
2 6 (30.00%) Taxonomies
3 4 (20.00%) Robotics
4 2 (10.00%) Equities
4 2 (10.00%) Fixed Income
4 2 (10.00%) Tandem
5 1 (5.00%) Analytical Skills
5 1 (5.00%) Wiki
Processes & Methodologies
1 11 (55.00%) Machine Learning
2 10 (50.00%) Analytics
2 10 (50.00%) Data Analytics
3 9 (45.00%) Big Data Analytics
3 9 (45.00%) Data Modelling
3 9 (45.00%) Information Retrieval
3 9 (45.00%) Open Source
4 8 (40.00%) Business Analytics
4 8 (40.00%) Content Management
4 8 (40.00%) CRM
4 8 (40.00%) Information Management
4 8 (40.00%) RDF
5 7 (35.00%) Artificial Intelligence
6 6 (30.00%) Information Architecture
7 5 (25.00%) Agile Software Development
7 5 (25.00%) Cognitive Computing
7 5 (25.00%) Data Architecture
7 5 (25.00%) Data Management
7 5 (25.00%) Use Case
8 4 (20.00%) Data Munging
Programming Languages
1 10 (50.00%) SPARQL
2 9 (45.00%) MATLAB
3 8 (40.00%) R
4 3 (15.00%) Scala
Quality Assurance & Compliance
1 4 (20.00%) GDPR
2 3 (15.00%) ISO 20022
2 3 (15.00%) PSD2
3 2 (10.00%) MiFID
4 1 (5.00%) Data Quality
Vendors
1 9 (45.00%) IBM
2 4 (20.00%) Blue Prism
3 1 (5.00%) Oracle
3 1 (5.00%) SAP