Period
to 17 November 2017

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 6 months to 17 November 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
Central London > City of London
6 months to
17 Nov 2017
Same period 2016 Same period 2015
Rank 245 242 279
Rank change year-on-year -3 +37 +23
Contract jobs citing SPARQL 6 4 2
As % of all contract IT jobs advertised in the City of London 0.084% 0.059% 0.021%
As % of the Programming Languages category 0.16% 0.12% 0.046%
Number of daily rates quoted 5 4 1
City of London median daily rate £625 £394 £450
Median daily rate % change year-on-year +58.73% -12.50% -32.08%
10th Percentile £515 £369 £425
90th Percentile £638 £456 £475
Central London median daily rate £625 £394 £450
% change year-on-year +58.73% -12.50% -32.08%
Number of hourly rates quoted 0 0 0
City of London median hourly rate - - -
Central London median hourly rate - - -

SPARQL is in the Programming Languages category. The following 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 coding skills.

All Programming Languages
City of London
Contract vacancies with a requirement for coding skills 3735 3410 4325
As % of all contract IT jobs advertised in the City of London 52.47% 50.69% 46.49%
Number of daily rates quoted 3102 2870 3631
City of London median daily rate £525 £475 £475
Median daily rate % change year-on-year +10.53% - +5.56%
10th Percentile £363 £325 £313
90th Percentile £688 £650 £663
Central London median daily rate £513 £475 £475
% change year-on-year +7.89% - +7.34%
Number of hourly rates quoted 14 10 20
City of London median hourly rate £22.99 £27.50 £26.09
Median hourly rate % change year-on-year -16.39% +5.42% +30.43%
10th Percentile £15.12 £16.06 £15.69
90th Percentile £39.10 £55.19 £43.29
Central London median hourly rate £24.49 £27.50 £26.09
% change year-on-year -10.96% +5.42% +30.43%

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

For the 6 months to 17 November 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 5 (83.33%) QA
1 5 (83.33%) Amazon AWS
1 5 (83.33%) Machine Learning
1 5 (83.33%) Big Data
2 4 (66.67%) Linked Data
2 4 (66.67%) REST
2 4 (66.67%) JSON
2 4 (66.67%) Semantic Web
2 4 (66.67%) Scala
2 4 (66.67%) RDF
3 3 (50.00%) Pair Programming
3 3 (50.00%) Unit Testing
3 3 (50.00%) Performance Tuning
3 3 (50.00%) Information Retrieval
3 3 (50.00%) Mentoring
4 2 (33.33%) Sqoop
4 2 (33.33%) Elasticsearch
4 2 (33.33%) Statistical Learning
4 2 (33.33%) Random Forest
4 2 (33.33%) Sentiment Analysis
4 2 (33.33%) Oozie
4 2 (33.33%) Akka
4 2 (33.33%) NoSQL
4 2 (33.33%) Computer Science Degree
4 2 (33.33%) Microservices
4 2 (33.33%) Apache Spark
4 2 (33.33%) Hadoop YARN
4 2 (33.33%) Algorithms
4 2 (33.33%) Natural Language Processing
4 2 (33.33%) Predictive Modelling

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 (33.33%) Apache Solr
1 2 (33.33%) Apache Spark
1 2 (33.33%) Elasticsearch
Cloud Services
1 5 (83.33%) Amazon AWS
Database & Business Intelligence
1 5 (83.33%) Big Data
2 2 (33.33%) NoSQL
2 2 (33.33%) Sqoop
3 1 (16.67%) MongoDB
3 1 (16.67%) Neo4j
Job Titles
1 4 (66.67%) Developer
2 3 (50.00%) Scala Developer
3 2 (33.33%) Data Scientist
3 2 (33.33%) Java Developer
3 2 (33.33%) Java Scala Developer
4 1 (16.67%) AWS Developer
4 1 (16.67%) Big Data Developer
4 1 (16.67%) MongoDB Developer
4 1 (16.67%) Solr Developer
Libraries, Frameworks & Software Standards
1 4 (66.67%) JSON
1 4 (66.67%) REST
2 2 (33.33%) Akka
2 2 (33.33%) Kafka
2 2 (33.33%) Natural Language Processing
2 2 (33.33%) Web Services
Miscellaneous
1 4 (66.67%) Linked Data
1 4 (66.67%) Semantic Web
2 2 (33.33%) Algorithms
2 2 (33.33%) Computer Science
Processes & Methodologies
1 5 (83.33%) Machine Learning
2 4 (66.67%) RDF
3 3 (50.00%) Information Retrieval
3 3 (50.00%) Mentoring
3 3 (50.00%) Pair Programming
3 3 (50.00%) Performance Tuning
3 3 (50.00%) Unit Testing
4 2 (33.33%) Microservices
4 2 (33.33%) Predictive Modelling
4 2 (33.33%) Random Forest
4 2 (33.33%) Sentiment Analysis
4 2 (33.33%) Statistical Analysis
4 2 (33.33%) Statistical Learning
4 2 (33.33%) Visualisation
5 1 (16.67%) Data Architecture
5 1 (16.67%) Knowledge Engineering
Programming Languages
1 4 (66.67%) Scala
2 2 (33.33%) Java
2 2 (33.33%) Python
3 1 (16.67%) SQL
Qualifications
1 2 (33.33%) Computer Science Degree
1 2 (33.33%) Degree
Quality Assurance & Compliance
1 5 (83.33%) QA
Systems Management
1 2 (33.33%) Hadoop YARN
1 2 (33.33%) Oozie