Period
to 18 July 2018

The following table provides summary statistics for contract job vacancies advertised in Slough 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 18 July 2018 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
Berkshire > Slough
6 months to
18 Jul 2018
Same period 2017 Same period 2016
Rank 31 22 30
Rank change year-on-year -9 +8 +17
Contract jobs citing Big Data 6 9 12
As % of all contract IT jobs advertised in Slough 2.06% 3.20% 3.26%
As % of the Database & Business Intelligence category 14.29% 14.29% 20.34%
Number of daily rates quoted 4 8 8
Slough median daily rate £434 £388 £470
Median daily rate % change year-on-year +11.94% -17.55% -32.86%
10th Percentile £348 £298 £410
90th Percentile £578 £456 £480
Berkshire median daily rate £525 £444 £470
% change year-on-year +18.31% -5.59% -1.05%
Number of hourly rates quoted 0 0 0
Slough median hourly rate - - -
Berkshire median hourly rate £49.75 - -

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 Slough with a requirement for database or business intelligence skills.

All Database and Business Intelligence Skills
Slough
Contract vacancies with a requirement for database or business intelligence skills 42 63 59
As % of all contract IT jobs advertised in Slough 14.43% 22.42% 16.03%
Number of daily rates quoted 34 49 34
Slough median daily rate £411 £400 £338
Median daily rate % change year-on-year +2.81% +18.52% -10.00%
10th Percentile £325 £261 £213
90th Percentile £488 £550 £470
Berkshire median daily rate £425 £418 £415
% change year-on-year +1.80% +0.60% +3.75%
Number of hourly rates quoted 0 0 0
Slough median hourly rate - - -
Berkshire median hourly rate £44.75 £9.50 £9.50
% change year-on-year +371.05% - -62.00%

Big Data
Job Vacancy Trend in Slough

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

Job vacancy trend for Big Data in Slough

Big Data
Contractor Daily Rate Trend in Slough

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

Contractor daily rate trend for Big Data in Slough

Big Data
Contractor Daily Rate Histogram in Slough

The daily rate distribution of IT jobs citing Big Data in Slough over the 6 months to 18 July 2018.

Contractor daily rate histogram for Big Data in Slough

For the 6 months to 18 July 2018, IT contractor jobs citing Big Data 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 Slough region with a requirement for Big Data.

1 4 (66.67%) Hadoop
2 3 (50.00%) Apache Spark
3 2 (33.33%) PHP
3 2 (33.33%) SQL
3 2 (33.33%) Analytics
3 2 (33.33%) Docker
3 2 (33.33%) Performance Optimisation
3 2 (33.33%) Data Lake
3 2 (33.33%) Microsoft Azure
3 2 (33.33%) Telecoms
3 2 (33.33%) SQL Server
3 2 (33.33%) Linux
3 2 (33.33%) Python
4 1 (16.67%) Data Warehouse
4 1 (16.67%) ETL
4 1 (16.67%) Broadband
4 1 (16.67%) DNS
4 1 (16.67%) Business Intelligence
4 1 (16.67%) Microsoft
4 1 (16.67%) Active Directory
4 1 (16.67%) Shell Script
4 1 (16.67%) Middleware
4 1 (16.67%) Project Management
4 1 (16.67%) Visual Studio
4 1 (16.67%) CSS
4 1 (16.67%) Windows
4 1 (16.67%) C
4 1 (16.67%) HTML
4 1 (16.67%) Java
4 1 (16.67%) JavaScript

Big Data
Co-occurring IT Skills in Slough 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 (50.00%) Apache Spark
2 1 (16.67%) Drupal
Cloud Services
1 2 (33.33%) Microsoft Azure
2 1 (16.67%) Azure Data Factory
Communications & Networking
1 1 (16.67%) Broadband
1 1 (16.67%) DNS
1 1 (16.67%) Firewall
Database & Business Intelligence
1 4 (66.67%) Hadoop
2 2 (33.33%) Data Lake
2 2 (33.33%) SQL Server
3 1 (16.67%) Cosmos DB
3 1 (16.67%) Data Warehouse
3 1 (16.67%) HBase
3 1 (16.67%) HDInsight
3 1 (16.67%) Power BI
3 1 (16.67%) Relational Database
3 1 (16.67%) SQL Server Analysis Services
3 1 (16.67%) SQL Server Integration Services
Development Applications
1 1 (16.67%) PHPUnit
1 1 (16.67%) Visual Studio
1 1 (16.67%) Visual Studio Team System
General
1 2 (33.33%) Telecoms
Job Titles
1 2 (33.33%) Developer
2 1 (16.67%) 1st Line Engineer
2 1 (16.67%) Analytics Developer
2 1 (16.67%) Architect
2 1 (16.67%) Azure Architect
2 1 (16.67%) Azure Engineer
2 1 (16.67%) Big Data Developer
2 1 (16.67%) Data Engineer
2 1 (16.67%) Drupal Developer
Libraries, Frameworks & Software Standards
1 1 (16.67%) .NET
1 1 (16.67%) CSS
1 1 (16.67%) CSS3
1 1 (16.67%) HTML
1 1 (16.67%) HTML5
1 1 (16.67%) jQuery
1 1 (16.67%) Kafka
1 1 (16.67%) Middleware
1 1 (16.67%) Symfony
Miscellaneous
1 1 (16.67%) Analytical Skills
1 1 (16.67%) Computer Science
1 1 (16.67%) Data Centre
1 1 (16.67%) Machine to Machine
1 1 (16.67%) Over-the-Top Content
1 1 (16.67%) Private Cloud
1 1 (16.67%) Self-Motivation
Operating Systems
1 2 (33.33%) Linux
2 1 (16.67%) Mesosphere
2 1 (16.67%) Windows
Processes & Methodologies
1 2 (33.33%) Analytics
1 2 (33.33%) Performance Optimisation
2 1 (16.67%) Big Data Analytics
2 1 (16.67%) Business Intelligence
2 1 (16.67%) Capacity Planning
2 1 (16.67%) Data Analytics
2 1 (16.67%) Data Mapping
2 1 (16.67%) DevOps
2 1 (16.67%) Disaster Recovery
2 1 (16.67%) ETL
2 1 (16.67%) Open Source
2 1 (16.67%) Project Management
2 1 (16.67%) Use Case
Programming Languages
1 2 (33.33%) PHP
1 2 (33.33%) Python
1 2 (33.33%) SQL
2 1 (16.67%) C
2 1 (16.67%) Java
2 1 (16.67%) JavaScript
2 1 (16.67%) PowerShell
2 1 (16.67%) R
2 1 (16.67%) Shell Script
Qualifications
1 1 (16.67%) Degree
System Software
1 2 (33.33%) Docker
2 1 (16.67%) Active Directory
2 1 (16.67%) HDFS
2 1 (16.67%) KVM
2 1 (16.67%) Xen
Systems Management
1 1 (16.67%) yum
Vendors
1 1 (16.67%) Microsoft