Period
to 17 October 2017

The following table provides summary statistics for contract job vacancies advertised in Watford with a requirement for Big Data skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Big Data over the 6 months to 17 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.

Big Data
Hertfordshire > Watford
6 months to
17 Oct 2017
Same period 2016 Same period 2015
Rank 46 42 42
Rank change year-on-year -4 0 -
Contract jobs citing Big Data 5 2 4
As % of all contract IT jobs advertised in Watford 1.20% 0.62% 1.39%
As % of the Database & Business Intelligence category 5.26% 2.50% 5.97%
Number of daily rates quoted 0 2 0
Watford median daily rate - £425 -
Hertfordshire median daily rate £463 £425 £500
% change year-on-year +8.82% -15.00% -4.76%
Number of hourly rates quoted 0 0 0
Watford median hourly rate - - -
Hertfordshire median hourly rate - - £62.50

Big Data is in the Databases and Business Intelligence category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Watford with a requirement for database or business intelligence skills.

All Database and Business Intelligence Skills
Watford
Contract vacancies with a requirement for database or business intelligence skills 95 80 67
As % of all contract IT jobs advertised in Watford 22.84% 24.84% 23.34%
Number of daily rates quoted 47 24 11
Watford median daily rate £425 £381 £375
Median daily rate % change year-on-year +11.48% +1.67% +3.45%
10th Percentile £263 £213 £325
90th Percentile £575 £526 £425
Hertfordshire median daily rate £413 £395 £375
% change year-on-year +4.43% +5.33% +7.14%
Number of hourly rates quoted 0 0 0
Watford median hourly rate - - -
Hertfordshire median hourly rate £23.25 £28.54 £20.94
% change year-on-year -18.54% +36.33% +4.68%

Big Data
Job Vacancy Trend in Watford

Job postings citing Big Data as a percentage of all IT jobs advertised in Watford.

Job vacancy trend for Big Data in Watford

Big Data
Contractor Daily Rate Trend in Watford

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Big Data in Watford.

Contractor daily rate trend for Big Data in Watford

For the 6 months to 17 October 2017, IT contractor jobs citing Big Data 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 Watford region with a requirement for Big Data.

1 4 (80.00%) SQL
1 4 (80.00%) T-SQL
1 4 (80.00%) SQL Server
1 4 (80.00%) Data Warehouse
1 4 (80.00%) Data Modelling
1 4 (80.00%) Business Intelligence
1 4 (80.00%) Finance
1 4 (80.00%) SQL Server Reporting Services
1 4 (80.00%) SQL Server Integration Services
1 4 (80.00%) Agile Software Development
1 4 (80.00%) Power BI
1 4 (80.00%) Data Lake
2 3 (60.00%) SQL Server Analysis Services
2 3 (60.00%) Kimball Methodology
2 3 (60.00%) Relational Database
2 3 (60.00%) OLAP Cube
2 3 (60.00%) C#
2 3 (60.00%) Workflow
2 3 (60.00%) RDBMS
2 3 (60.00%) ETL
2 3 (60.00%) OLAP
2 3 (60.00%) Visual Studio
2 3 (60.00%) VB.NET
2 3 (60.00%) .NET
3 1 (20.00%) Microsoft
3 1 (20.00%) Stakeholder Management
3 1 (20.00%) Continuous Integration
3 1 (20.00%) Skype
3 1 (20.00%) Test Automation
3 1 (20.00%) Banking

Big Data
Co-occurring IT Skills in Watford 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:

Communications & Networking
1 1 (20.00%) Skype
Database & Business Intelligence
1 4 (80.00%) Data Lake
1 4 (80.00%) Data Warehouse
1 4 (80.00%) Power BI
1 4 (80.00%) SQL Server
1 4 (80.00%) SQL Server Integration Services
1 4 (80.00%) SQL Server Reporting Services
2 3 (60.00%) OLAP
2 3 (60.00%) OLAP Cube
2 3 (60.00%) RDBMS
2 3 (60.00%) Relational Database
2 3 (60.00%) SQL Server Analysis Services
Development Applications
1 3 (60.00%) Visual Studio
General
1 4 (80.00%) Finance
2 1 (20.00%) Banking
Job Titles
1 4 (80.00%) Analyst
1 4 (80.00%) Business Intelligence Developer
1 4 (80.00%) Developer
2 3 (60.00%) Analyst Developer
2 3 (60.00%) Business Intelligence Analyst
2 3 (60.00%) Developer Analyst
3 1 (20.00%) Big Data Analyst
3 1 (20.00%) Business Analyst
3 1 (20.00%) Coordinator
3 1 (20.00%) Data Business Analyst
3 1 (20.00%) Project Analyst
3 1 (20.00%) Project Coordinator
Libraries, Frameworks & Software Standards
1 3 (60.00%) .NET
Processes & Methodologies
1 4 (80.00%) Agile Software Development
1 4 (80.00%) Business Intelligence
1 4 (80.00%) Data Modelling
2 3 (60.00%) ETL
2 3 (60.00%) Kimball Methodology
2 3 (60.00%) Workflow
3 1 (20.00%) Continuous Integration
3 1 (20.00%) Stakeholder Management
3 1 (20.00%) Test Automation
Programming Languages
1 4 (80.00%) SQL
1 4 (80.00%) T-SQL
2 3 (60.00%) C#
2 3 (60.00%) VB.NET
Vendors
1 1 (20.00%) Microsoft