Period
to

The following table provides summary statistics for contract job vacancies advertised in 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 23 May 2022 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
England > London
6 months to
23 May 2022
Same period 2021 Same period 2020
Rank 537 465 416
Rank change year-on-year -72 -49 +174
Contract jobs citing SPARQL 40 7 17
As % of all contract jobs advertised in London 0.10% 0.029% 0.086%
As % of the Programming Languages category 0.25% 0.061% 0.18%
Number of daily rates quoted 32 6 12
10th Percentile £526 £381 £606
25th Percentile £645 £443 £686
Median daily rate (50th Percentile) £700 £585 £780
Median % change year-on-year +19.66% -25.00% +30.00%
75th Percentile £853 £666 £800
90th Percentile £863 £744 £811
England median daily rate £700 £573 £780
% change year-on-year +22.27% -26.60% +30.00%

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 London with a requirement for coding skills.

All Programming Languages
London
Contract vacancies with a requirement for coding skills 16,138 11,542 9,666
As % of all contract IT jobs advertised in London 42.16% 47.54% 48.62%
Number of daily rates quoted 12,418 8,623 7,221
10th Percentile £413 £369 £370
25th Percentile £500 £450 £439
Median daily rate (50th Percentile) £600 £530 £525
Median % change year-on-year +13.21% +0.95% -
75th Percentile £712 £638 £625
90th Percentile £800 £713 £700
England median daily rate £550 £500 £500
% change year-on-year +10.00% - +3.09%
Number of hourly rates quoted 108 67 75
10th Percentile £30.18 £20.30 £18.43
25th Percentile £35.00 £30.75 £26.63
Median hourly rate £50.00 £44.50 £47.83
Median % change year-on-year +12.36% -6.96% +30.74%
75th Percentile £67.50 £62.88 £57.00
90th Percentile £77.53 £68.00 £64.43
England median hourly rate £50.81 £41.66 £43.75
% change year-on-year +21.96% -4.78% -1.69%

SPARQL
Job Vacancy Trend in London

Job postings citing SPARQL as a proportion of all IT jobs advertised in London.

Job vacancy trend for SPARQL in London

SPARQL
Contractor Daily Rate Trend in London

3-month moving average daily rate quoted in jobs citing SPARQL in London.

Daily rate trend for SPARQL in London

SPARQL
Daily Rate Histogram in London

Daily rate distribution for jobs citing SPARQL in London over the 6 months to 23 May 2022.

Daily rate histogram for SPARQL in London

For the 6 months to 23 May 2022, IT contractor jobs citing SPARQL also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the London region with a requirement for SPARQL.

1 40 (100.00%) RDF
2 29 (72.50%) Python
3 22 (55.00%) Finance
4 21 (52.50%) Ontologies
5 20 (50.00%) Investment Banking
5 20 (50.00%) Banking
5 20 (50.00%) Front End Development
6 17 (42.50%) Test Automation
6 17 (42.50%) RESTful
6 17 (42.50%) Azure
6 17 (42.50%) JavaScript
7 16 (40.00%) Git (software)
7 16 (40.00%) CI/CD
8 14 (35.00%) AWS
9 13 (32.50%) Visualisation
9 13 (32.50%) Neo4j
10 12 (30.00%) HTML
10 12 (30.00%) Stardog
11 11 (27.50%) Dask
11 11 (27.50%) FastAPI
11 11 (27.50%) Django
11 11 (27.50%) Kubernetes
11 11 (27.50%) API Development
11 11 (27.50%) API Design
11 11 (27.50%) Docker
11 11 (27.50%) Flask
11 11 (27.50%) DevOps
11 11 (27.50%) Bottle
11 11 (27.50%) Algorithms
11 11 (27.50%) GCP

SPARQL
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 3 (7.50%) Elasticsearch
2 2 (5.00%) Apache
2 2 (5.00%) Apache Spark
Applications
1 5 (12.50%) Adobe Illustrator
2 1 (2.50%) Microsoft Excel
2 1 (2.50%) Microsoft PowerPoint
Business Applications
1 1 (2.50%) Sparx Enterprise Architect
Cloud Services
1 17 (42.50%) Azure
2 14 (35.00%) AWS
3 11 (27.50%) GCP
4 6 (15.00%) Power Platform
5 3 (7.50%) Amazon Neptune
6 1 (2.50%) Azure Data Factory
6 1 (2.50%) Serverless
Database & Business Intelligence
1 13 (32.50%) Neo4j
2 12 (30.00%) Stardog
3 10 (25.00%) Metadata
4 6 (15.00%) Power BI
4 6 (15.00%) QlikView
4 6 (15.00%) Tableau
4 6 (15.00%) Triplestore
5 4 (10.00%) Relational Database
6 2 (5.00%) NoSQL
6 2 (5.00%) SQL Server
7 1 (2.50%) Data Warehouse
7 1 (2.50%) Hadoop
7 1 (2.50%) MarkLogic
7 1 (2.50%) RDBMS
7 1 (2.50%) Text Mining
7 1 (2.50%) TigerGraph
Development Applications
1 16 (40.00%) Git (software)
2 6 (15.00%) JIRA
3 5 (12.50%) GitLab
3 5 (12.50%) Jenkins
3 5 (12.50%) Mocha
3 5 (12.50%) SonarQube
3 5 (12.50%) TeamCity
3 5 (12.50%) webpack
General
1 22 (55.00%) Finance
2 20 (50.00%) Banking
2 20 (50.00%) Investment Banking
3 3 (7.50%) Analytical Skills
4 2 (5.00%) Law
4 2 (5.00%) Social Skills
Job Titles
1 17 (42.50%) Developer
2 11 (27.50%) Python Engineer
3 8 (20.00%) Front End Developer (Client-Side Developer)
4 6 (15.00%) Knowledge Engineer
5 4 (10.00%) Backend Developer
6 3 (7.50%) Architect
6 3 (7.50%) Data Architect
7 2 (5.00%) Analyst
7 2 (5.00%) Banking Analyst
7 2 (5.00%) Data Analyst
8 1 (2.50%) Applications Developer
8 1 (2.50%) Azure Developer
8 1 (2.50%) Data Modeller
8 1 (2.50%) Ontologist
8 1 (2.50%) Senior Data Modeller
8 1 (2.50%) Software Developer
Libraries, Frameworks & Software Standards
1 17 (42.50%) RESTful
2 12 (30.00%) HTML
3 11 (27.50%) Bottle
3 11 (27.50%) Dask
3 11 (27.50%) Django
3 11 (27.50%) FastAPI
3 11 (27.50%) Flask
4 9 (22.50%) Svelte
5 6 (15.00%) NetworkX
5 6 (15.00%) Node.js
5 6 (15.00%) React
6 5 (12.50%) CSS
6 5 (12.50%) D3.js
6 5 (12.50%) Express
6 5 (12.50%) FusionCharts
6 5 (12.50%) HTML5
6 5 (12.50%) Jest
6 5 (12.50%) Redux
6 5 (12.50%) Vue.js
7 4 (10.00%) JSON
Miscellaneous
1 11 (27.50%) Algorithms
2 6 (15.00%) Clustering
3 5 (12.50%) Graphic Design
3 5 (12.50%) Semantic Web
3 5 (12.50%) User Experience
4 4 (10.00%) Management Information System
5 3 (7.50%) W3C
6 2 (5.00%) Taxonomies
7 1 (2.50%) Data Structures
7 1 (2.50%) Linked Data
7 1 (2.50%) Reference Data
Processes & Methodologies
1 40 (100.00%) RDF
2 21 (52.50%) Ontologies
3 20 (50.00%) Front End Development
4 17 (42.50%) Test Automation
5 16 (40.00%) CI/CD
6 13 (32.50%) Visualisation
7 11 (27.50%) API Design
7 11 (27.50%) API Development
7 11 (27.50%) DevOps
8 8 (20.00%) Agile
8 8 (20.00%) Analytics
9 7 (17.50%) Data Modelling
9 7 (17.50%) Machine Learning
10 6 (15.00%) Data Science
10 6 (15.00%) Graph Visualisation
10 6 (15.00%) Mathematics
10 6 (15.00%) Process Management
10 6 (15.00%) Use Case
11 5 (12.50%) Actionable Insight
11 5 (12.50%) Wireframes
Programming Languages
1 29 (72.50%) Python
2 17 (42.50%) JavaScript
3 10 (25.00%) SQL
4 6 (15.00%) SHACL
5 5 (12.50%) ES6
5 5 (12.50%) Java
5 5 (12.50%) TypeScript
6 3 (7.50%) Scala
7 2 (5.00%) XPath
7 2 (5.00%) XQuery
8 1 (2.50%) C#
8 1 (2.50%) C++
Qualifications
1 4 (10.00%) Degree
2 3 (7.50%) Computer Science Degree
Quality Assurance & Compliance
1 3 (7.50%) Data Quality
1 3 (7.50%) Dublin Core
System Software
1 11 (27.50%) Docker
Systems Management
1 11 (27.50%) Kubernetes
2 5 (12.50%) HP Fortify
Vendors
1 5 (12.50%) Adobe
2 1 (2.50%) Sparx