Period
to 23 November 2017

The table below looks at the prevalence of the term Semantic Web in contract job vacancies advertised in London. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Semantic Web over the 6 months to 23 November 2017 with a comparison to the same period over 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.

Semantic Web
England > London
6 months to
23 Nov 2017
Same period 2016 Same period 2015
Rank 611 590 611
Rank change year-on-year -21 +21 -6
Contract jobs citing Semantic Web 24 29 18
As % of all contract IT jobs advertised in London 0.051% 0.064% 0.039%
As % of the Miscellaneous category 0.13% 0.17% 0.10%
Number of daily rates quoted 20 25 16
London median daily rate £625 £425 £525
Median daily rate % change year-on-year +47.06% -19.05% +20.00%
10th Percentile £509 £363 £425
90th Percentile £680 £475 £688
England median daily rate £530 £400 £475
% change year-on-year +32.50% -15.79% +5.56%
Number of hourly rates quoted 0 0 0
London median hourly rate - - -
England median hourly rate - - -

Semantic Web is in the Generic IT Skills 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 generic IT skills.

All Generic IT Skills
London
Contract vacancies with a requirement for generic IT skills 18410 16605 17383
As % of all contract IT jobs advertised in London 39.08% 36.74% 37.30%
Number of daily rates quoted 13185 11760 12225
London median daily rate £500 £475 £458
Median daily rate % change year-on-year +5.26% +3.83% +1.67%
10th Percentile £313 £290 £275
90th Percentile £688 £650 £650
England median daily rate £450 £425 £425
% change year-on-year +5.88% - +6.25%
Number of hourly rates quoted 228 256 300
London median hourly rate £21.70 £19.71 £20.25
Median hourly rate % change year-on-year +10.10% -2.67% +12.50%
10th Percentile £12.85 £12.00 £12.01
90th Percentile £48.33 £50.00 £47.75
England median hourly rate £20.60 £20.50 £19.09
% change year-on-year +0.49% +7.41% +6.03%

Semantic Web
Job Vacancy Trend in London

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

Job vacancy trend for Semantic Web in London

Semantic Web
Contractor Daily Rate Trend in London

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

Contractor daily rate trend for Semantic Web in London

Semantic Web
Contractor Daily Rate Histogram in London

The daily rate distribution of IT jobs citing Semantic Web in London over the 6 months to 23 November 2017.

Contractor daily rate histogram for Semantic Web in London

Semantic Web
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 Semantic Web within the London region over the 6 months to 23 November 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 -5 5 £625 +47.06%
Semantic Web
England

For the 6 months to 23 November 2017, IT contractor jobs citing Semantic Web 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 Semantic Web.

1 21 (87.50%) Amazon AWS
2 17 (70.83%) Big Data
3 14 (58.33%) Machine Learning
3 14 (58.33%) Python
4 13 (54.17%) SPARQL
4 13 (54.17%) Linked Data
5 12 (50.00%) REST
5 12 (50.00%) RDF
5 12 (50.00%) Agile Software Development
6 11 (45.83%) QA
7 10 (41.67%) Scala
7 10 (41.67%) Microservices
8 8 (33.33%) Apache Spark
8 8 (33.33%) Scrum
8 8 (33.33%) JSON
9 7 (29.17%) Statistical Analysis
9 7 (29.17%) Kanban
9 7 (29.17%) Natural Language Processing
9 7 (29.17%) Algorithms
9 7 (29.17%) Performance Tuning
9 7 (29.17%) DevOps
9 7 (29.17%) Information Retrieval
9 7 (29.17%) Jenkins
9 7 (29.17%) Statistical Learning
9 7 (29.17%) Random Forest
9 7 (29.17%) Sentiment Analysis
10 6 (25.00%) Elastic Stack
10 6 (25.00%) Terraform
10 6 (25.00%) Kafka
10 6 (25.00%) Mentoring

Semantic Web
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 8 (33.33%) Apache Spark
2 5 (20.83%) Elasticsearch
3 1 (4.17%) Apache
Cloud Services
1 21 (87.50%) Amazon AWS
2 5 (20.83%) Amazon CloudWatch
2 5 (20.83%) Amazon EC2
2 5 (20.83%) Amazon S3
2 5 (20.83%) Virtual Private Cloud
3 3 (12.50%) SaaS
Communications & Networking
1 5 (20.83%) DSL
2 4 (16.67%) HTTP
Database & Business Intelligence
1 17 (70.83%) Big Data
2 6 (25.00%) Hadoop
3 5 (20.83%) Amazon RDS
3 5 (20.83%) Sqoop
4 4 (16.67%) HBase
4 4 (16.67%) MySQL
5 3 (12.50%) NoSQL
6 2 (8.33%) Apache Cassandra
7 1 (4.17%) CouchDB
7 1 (4.17%) MongoDB
7 1 (4.17%) Triplestore
Development Applications
1 7 (29.17%) Jenkins
2 6 (25.00%) Git (software)
3 4 (16.67%) Artifactory
4 1 (4.17%) Cucumber
4 1 (4.17%) Hudson
4 1 (4.17%) JBehave
4 1 (4.17%) JIRA
4 1 (4.17%) JUnit
4 1 (4.17%) Mockito
4 1 (4.17%) TestRail
General
1 3 (12.50%) Publishing
2 1 (4.17%) Finance
Job Titles
1 8 (33.33%) Developer
2 7 (29.17%) Data Scientist
3 6 (25.00%) DevOps Engineer
4 4 (16.67%) Big Data Developer
4 4 (16.67%) Scala Developer
5 3 (12.50%) Apache Spark Developer
5 3 (12.50%) Big Data Engineer
5 3 (12.50%) Data Engineer
5 3 (12.50%) Software Engineer
6 2 (8.33%) Agile Delivery Manager
6 2 (8.33%) Big Data Software Engineer
6 2 (8.33%) Delivery Manager
6 2 (8.33%) Developer/Software Engineer
6 2 (8.33%) Machine Learning Scientist
6 2 (8.33%) Scala Software Engineer
7 1 (4.17%) Agile Coach
7 1 (4.17%) AWS Engineer
7 1 (4.17%) Developer in Test
7 1 (4.17%) Java Engineer
7 1 (4.17%) Principal Engineer
Libraries, Frameworks & Software Standards
1 12 (50.00%) REST
2 8 (33.33%) JSON
3 7 (29.17%) Natural Language Processing
4 6 (25.00%) Elastic Stack
4 6 (25.00%) Kafka
5 5 (20.83%) Akka
5 5 (20.83%) RESTful
6 3 (12.50%) Web Services
7 1 (4.17%) AngularJS
7 1 (4.17%) Apache Jena
7 1 (4.17%) Node.js
Miscellaneous
1 13 (54.17%) Linked Data
2 7 (29.17%) Algorithms
3 5 (20.83%) Computer Science
4 2 (8.33%) Life Science
5 1 (4.17%) Greenfield Project
5 1 (4.17%) Social Network
Operating Systems
1 6 (25.00%) Linux
Processes & Methodologies
1 14 (58.33%) Machine Learning
2 12 (50.00%) Agile Software Development
2 12 (50.00%) RDF
3 10 (41.67%) Microservices
4 8 (33.33%) Scrum
5 7 (29.17%) DevOps
5 7 (29.17%) Information Retrieval
5 7 (29.17%) Kanban
5 7 (29.17%) Performance Tuning
5 7 (29.17%) Random Forest
5 7 (29.17%) Sentiment Analysis
5 7 (29.17%) Statistical Analysis
5 7 (29.17%) Statistical Learning
6 6 (25.00%) Configuration Management
6 6 (25.00%) Mentoring
6 6 (25.00%) Pair Programming
6 6 (25.00%) Unit Testing
7 5 (20.83%) Continuous Delivery
7 5 (20.83%) Predictive Modelling
7 5 (20.83%) Visualisation
Programming Languages
1 14 (58.33%) Python
2 13 (54.17%) SPARQL
3 10 (41.67%) Scala
4 5 (20.83%) Bash Shell
5 3 (12.50%) Java
6 1 (4.17%) Ruby
6 1 (4.17%) SQL
Qualifications
1 5 (20.83%) Computer Science Degree
1 5 (20.83%) Degree
Quality Assurance & Compliance
1 11 (45.83%) QA
System Software
1 5 (20.83%) Docker
Systems Management
1 6 (25.00%) Puppet
1 6 (25.00%) Terraform
2 5 (20.83%) Graphite
2 5 (20.83%) Hadoop YARN
2 5 (20.83%) Oozie
Vendors
1 4 (16.67%) Cloudera