The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for SPARQL skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited SPARQL over the 3 months to 29 June 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.

SPARQL
London > City of London
3 months to
29 Jun 2017
Same period 2016 Same period 2015
Rank 166 162 208
Rank change year-on-year -4 +46  
Contract jobs citing SPARQL 3 1 2
As % of all contract IT jobs advertised in the City of London 0.092% 0.030% 0.034%
As % of the Programming Languages category 0.18% 0.062% 0.080%
Number of daily rates quoted 2 1 1
City of London median daily rate £575 £450 £540
Median daily rate % change year-on-year +27.77% -16.66%  
10th Percentile £490 £425 £520
90th Percentile £660 £475 £560
London median daily rate £613 £475 £525
% change year-on-year +28.94% -9.52%  
Number of hourly rates quoted 0 0 0
City of London median hourly rate - - -
London median hourly rate - - -

SPARQL is in the programming language skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in the City of London with a requirement for programming language skills.

Contract Programming Language Skills
City of London
Contract job vacancies with a requirement for programming language skills 1668 1624 2514
As % of all contract IT job vacancies advertised in the City of London 51.04% 48.59% 43.10%
Number of daily rates quoted 2544 2848 3917
City of London median daily rate £513 £475 £470
Median daily rate % change year-on-year +7.89% +1.06%  
10th Percentile £363 £313 £310
90th Percentile £675 £650 £638
London median daily rate £500 £475 £450
% change year-on-year +5.26% +5.55%  
Number of hourly rates quoted 6 6 32
City of London median hourly rate £21.50 £53.00 £24.23
Median hourly rate % change year-on-year -59.43% +118.73%  
10th Percentile £15.63 £18.50 £18.27
90th Percentile £32.63 £85.00 £54.00
London median hourly rate £32.50 £40.00 £30.00
% change year-on-year -18.75% +33.33%  

SPARQL
Job Vacancy Trend in the City of London

Job postings citing SPARQL as a percentage of all IT jobs advertised in the City of London.

Job vacancy trend for SPARQL in the City of London

SPARQL
Contractor Daily Rate Trend in the City of London

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

Contractor daily rate trend for SPARQL in the City of London

SPARQL
Contractor Daily Rate Histogram in the City of London

The daily rate distribution of IT jobs citing SPARQL in the City of London over the 3 months to 29 June 2017.

Contractor daily rate histogram for SPARQL in the City of London

For the 6 months to 29 June 2017, IT contractor jobs citing SPARQL 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 City of London region with a requirement for SPARQL.

1 3 (75.00%) Web Services
1 3 (75.00%) NoSQL
1 3 (75.00%) REST
1 3 (75.00%) Big Data
2 2 (50.00%) Performance Tuning
2 2 (50.00%) Information Retrieval
2 2 (50.00%) Machine Learning
2 2 (50.00%) RDF
2 2 (50.00%) Java
2 2 (50.00%) SQL
2 2 (50.00%) JSON
2 2 (50.00%) Apache Solr
2 2 (50.00%) Scala
3 1 (25.00%) Hadoop
3 1 (25.00%) Amazon AWS
3 1 (25.00%) Open Source
3 1 (25.00%) MongoDB
3 1 (25.00%) QA
3 1 (25.00%) Use Case
3 1 (25.00%) Unit Testing
3 1 (25.00%) Data Architecture
3 1 (25.00%) RESTful
3 1 (25.00%) Agile Software Development
3 1 (25.00%) Pair Programming
3 1 (25.00%) Content Management
3 1 (25.00%) Information Management
3 1 (25.00%) Artificial Intelligence
3 1 (25.00%) Software Engineering
3 1 (25.00%) Ontologies
3 1 (25.00%) C

SPARQL
Co-occurring IT Skills in the City of 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 2 (50.00%) Apache Solr
2 1 (25.00%) Apache
2 1 (25.00%) Apache Spark
2 1 (25.00%) SAS
Applications
1 1 (25.00%) SPSS
Cloud Services
1 1 (25.00%) Amazon AWS
Communications & Networking
1 1 (25.00%) HTTP
Database & Business Intelligence
1 3 (75.00%) Big Data
1 3 (75.00%) NoSQL
2 1 (25.00%) Hadoop
2 1 (25.00%) Mahout
2 1 (25.00%) MongoDB
2 1 (25.00%) Neo4j
General
1 1 (25.00%) Finance
Job Titles
1 3 (75.00%) Developer
2 2 (50.00%) Java Developer
2 2 (50.00%) Java Scala Developer
2 2 (50.00%) Scala Developer
3 1 (25.00%) Architect
3 1 (25.00%) AWS Developer
3 1 (25.00%) C Developer
3 1 (25.00%) C/C++ Developer
3 1 (25.00%) C++ Developer
3 1 (25.00%) Lead Architect
3 1 (25.00%) MongoDB Developer
3 1 (25.00%) Objective-C Developer
3 1 (25.00%) Solr Developer
3 1 (25.00%) SQL Developer
Libraries, Frameworks & Software Standards
1 3 (75.00%) REST
1 3 (75.00%) Web Services
2 2 (50.00%) JSON
3 1 (25.00%) MLlib
3 1 (25.00%) Natural Language Processing
3 1 (25.00%) RESTful
3 1 (25.00%) UIMA
Miscellaneous
1 1 (25.00%) Management Information System
Operating Systems
1 1 (25.00%) Linux
Processes & Methodologies
1 2 (50.00%) Information Retrieval
1 2 (50.00%) Machine Learning
1 2 (50.00%) Performance Tuning
1 2 (50.00%) RDF
2 1 (25.00%) Agile Software Development
2 1 (25.00%) Artificial Intelligence
2 1 (25.00%) Big Data Analytics
2 1 (25.00%) Content Management
2 1 (25.00%) CRM
2 1 (25.00%) Data Analytics
2 1 (25.00%) Data Architecture
2 1 (25.00%) Information Management
2 1 (25.00%) Mentoring
2 1 (25.00%) Ontologies
2 1 (25.00%) Pair Programming
2 1 (25.00%) Scrum
2 1 (25.00%) Software Engineering
2 1 (25.00%) Stakeholder Management
2 1 (25.00%) Unit Testing
2 1 (25.00%) Use Case
Programming Languages
1 2 (50.00%) Java
1 2 (50.00%) Scala
1 2 (50.00%) SQL
2 1 (25.00%) C
2 1 (25.00%) C++
2 1 (25.00%) MATLAB
2 1 (25.00%) Objective-C
2 1 (25.00%) R
Quality Assurance & Compliance
1 1 (25.00%) QA
Vendors
1 1 (25.00%) IBM
City, London
Haybrook IT Resourcing Ltd
Rate: Up to £500 per day
Posted: 1 hour ago