The following table provides summary statistics for contract job vacancies advertised in Bristol 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 3 months to 26 March 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.

3 months to
26 Mar 2017
Same period 2016 Same period 2015
Big Data
South West / Bristol
Rank 61 59 69
Rank change year-on-year -2 +10  
Contract jobs citing Big Data 7 13 2
As % of all contract IT jobs advertised in Bristol 0.86% 1.44% 0.24%
As % of the Database & Business Intelligence category 5.47% 6.50% 0.82%
Number of daily rates quoted 5 11 0
Median daily rate £513 £375 -
Median daily rate % change year-on-year +36.66% -  
UK excluding London median daily rate £488 £470 £500
% change year-on-year +3.72% -6.00%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £47.00 £33.06 £34.50
% change year-on-year +42.18% -4.18%  

Big Data is in the database and business intelligence skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Bristol with a requirement for database and business intelligence skills.

Contract Database & Business Intelligence Skills
Bristol
Contract job vacancies with a requirement for database and business intelligence skills 128 200 245
As % of all contract IT job vacancies advertised in Bristol 15.69% 22.10% 29.38%
Number of daily rates quoted 90 156 183
Median daily rate £400 £375 £375
Median daily rate % change year-on-year +6.66% -  
90% offered a daily rate of more than £300 £300 £300
10% offered a daily rate of more than £513 £455 £490
UK excluding London median daily rate £400 £388 £375
% change year-on-year +3.22% +3.33%  
Number of hourly rates quoted 5 0 0
Median hourly rate £40.00 - -
UK excluding London median hourly rate £31.00 £32.50 £32.50
% change year-on-year -4.61% -  

Big Data
Job Vacancy Trend in Bristol

The job posting trend of jobs advertised in Bristol citing Big Data as a proportion of all contract or permanent IT jobs with a match in the Database & Business Intelligence category.

Job vacancy trend for Big Data in Bristol

Big Data
Contractor Daily Rate Trend in Bristol

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

Contractor daily rate trend for Big Data in Bristol

Big Data
Contractor Daily Rate Histogram in Bristol

The daily rate distribution of IT jobs citing Big Data in Bristol over the 3 months to 26 March 2017.

Contractor daily rate histogram for Big Data in Bristol

Big Data
Top 30 Related IT Skills in Bristol

For the 6 months to 26 March 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 Bristol region with a requirement for Big Data.

1 19 (65.52%) .NET
2 18 (62.07%) E-Commerce
3 16 (55.17%) Hadoop
4 15 (51.72%) Amazon AWS
5 13 (44.83%) C#
6 11 (37.93%) Python
6 11 (37.93%) Agile Software Development
7 10 (34.48%) SQL Server
8 9 (31.03%) Xamarin
8 9 (31.03%) Amazon DynamoDB
8 9 (31.03%) Mobile App
8 9 (31.03%) Microsoft Azure
8 9 (31.03%) ASP.NET MVC
8 9 (31.03%) High Availability
8 9 (31.03%) Responsive Web Design
8 9 (31.03%) AngularJS
8 9 (31.03%) ASP.NET
8 9 (31.03%) CSS
8 9 (31.03%) HTML
8 9 (31.03%) JavaScript
8 9 (31.03%) MySQL
8 9 (31.03%) Data Modelling
8 9 (31.03%) PostgreSQL
8 9 (31.03%) MVC
8 9 (31.03%) Web Design
9 8 (27.59%) NoSQL
9 8 (27.59%) Analytical Skills
10 7 (24.14%) Algorithms
10 7 (24.14%) Cloudera
11 6 (20.69%) Event-Driven Architecture

Big Data
Top Related IT Skills in Bristol 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 6 (20.69%) Apache Spark
1 6 (20.69%) Elasticsearch
2 3 (10.34%) Jupyter
3 1 (3.45%) ArcGIS
3 1 (3.45%) SAS
Applications
1 1 (3.45%) Stata
Cloud Services
1 15 (51.72%) Amazon AWS
2 9 (31.03%) Microsoft Azure
3 6 (20.69%) Amazon Kinesis
4 2 (6.90%) Amazon EC2
4 2 (6.90%) Amazon S3
5 1 (3.45%) SaaS
Database & Business Intelligence
1 16 (55.17%) Hadoop
2 10 (34.48%) SQL Server
3 9 (31.03%) Amazon DynamoDB
3 9 (31.03%) MySQL
3 9 (31.03%) PostgreSQL
4 8 (27.59%) NoSQL
5 5 (17.24%) MongoDB
6 4 (13.79%) Apache Cassandra
7 3 (10.34%) Apache Hive
7 3 (10.34%) HBase
7 3 (10.34%) Neo4j
8 1 (3.45%) GIS
8 1 (3.45%) Power BI
8 1 (3.45%) QlikView
8 1 (3.45%) Spatial Data
General
1 3 (10.34%) Legal
2 1 (3.45%) Banking
2 1 (3.45%) Finance
2 1 (3.45%) Marketing
Job Titles
1 12 (41.38%) Developer
2 10 (34.48%) Big Data Developer
3 9 (31.03%) .NET Developer
3 9 (31.03%) ASP.NET Developer
3 9 (31.03%) AWS Developer
3 9 (31.03%) Azure Developer
3 9 (31.03%) C# .NET Developer
3 9 (31.03%) C# ASP.NET Developer
3 9 (31.03%) C# Developer
3 9 (31.03%) Senior .NET Developer
3 9 (31.03%) Senior ASP.NET Developer
3 9 (31.03%) Senior C# .NET Developer
3 9 (31.03%) Senior C# ASP.NET Developer
3 9 (31.03%) Senior C# Developer
3 9 (31.03%) Senior Developer
4 8 (27.59%) Big Data Engineer
5 7 (24.14%) Senior Big Data Developer
6 6 (20.69%) Data Engineer
7 5 (17.24%) Architect
8 4 (13.79%) E-Commerce Engineer
Libraries, Frameworks & Software Standards
1 19 (65.52%) .NET
2 9 (31.03%) AngularJS
2 9 (31.03%) ASP.NET
2 9 (31.03%) ASP.NET MVC
2 9 (31.03%) CSS
2 9 (31.03%) HTML
3 4 (13.79%) JMS
3 4 (13.79%) Kafka
Miscellaneous
1 9 (31.03%) Mobile App
2 8 (27.59%) Analytical Skills
3 7 (24.14%) Algorithms
4 3 (10.34%) Data Structures
4 3 (10.34%) Management Information System
4 3 (10.34%) Reference Data
5 1 (3.45%) Computer Science
5 1 (3.45%) Replication
Processes & Methodologies
1 18 (62.07%) E-Commerce
2 11 (37.93%) Agile Software Development
3 9 (31.03%) Data Modelling
3 9 (31.03%) High Availability
3 9 (31.03%) MVC
3 9 (31.03%) Responsive Web Design
3 9 (31.03%) Web Design
4 6 (20.69%) Continuous Integration
4 6 (20.69%) DevOps
4 6 (20.69%) Event-Driven Architecture
5 5 (17.24%) Data Management
5 5 (17.24%) Machine Learning
6 4 (13.79%) ETL
6 4 (13.79%) Mathematics
6 4 (13.79%) PRINCE2
6 4 (13.79%) TOGAF
7 3 (10.34%) Data Architecture
7 3 (10.34%) Data Integration
7 3 (10.34%) Information Architecture
7 3 (10.34%) ITIL
Programming Languages
1 13 (44.83%) C#
2 11 (37.93%) Python
3 9 (31.03%) JavaScript
4 4 (13.79%) Scala
5 1 (3.45%) R
5 1 (3.45%) SQL
5 1 (3.45%) T-SQL
Qualifications
1 4 (13.79%) Security Cleared
2 3 (10.34%) SC Cleared
3 2 (6.90%) Degree
4 1 (3.45%) ISEB
4 1 (3.45%) Postgraduate
4 1 (3.45%) PRINCE2 Certification
Quality Assurance & Compliance
1 3 (10.34%) Data Quality
Vendors
1 9 (31.03%) Xamarin
2 7 (24.14%) Cloudera
3 3 (10.34%) MapR
3 3 (10.34%) Nuix
3 3 (10.34%) Splunk
4 1 (3.45%) ESRI
4 1 (3.45%) Tableau