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 22 June 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
South West / Bristol
3 months to
22 Jun 2017
Same period 2016 Same period 2015
Rank 67 65 71
Rank change year-on-year -2 +6  
Contract jobs citing Big Data 6 4 2
As % of all contract IT jobs advertised in Bristol 0.71% 0.47% 0.22%
As % of the Database & Business Intelligence category 3.70% 2.52% 1.00%
Number of daily rates quoted 5 2 1
Median daily rate £550 £425 £460
Median daily rate % change year-on-year +29.41% -7.60%  
UK excluding London median daily rate £430 £450 £475
% change year-on-year -4.44% -5.26%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £50.00 - £16.00

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 162 159 201
As % of all contract IT job vacancies advertised in Bristol 19.13% 18.71% 22.04%
Number of daily rates quoted 110 120 159
Median daily rate £400 £350 £375
Median daily rate % change year-on-year +14.28% -6.66%  
90% offered a daily rate of more than £325 £275 £275
10% offered a daily rate of more than £516 £425 £434
UK excluding London median daily rate £400 £388 £351
% change year-on-year +3.22% +10.55%  
Number of hourly rates quoted 0 1 1
Median hourly rate - £28.50 £170.00
Median hourly rate % change year-on-year - -83.23%  
UK excluding London median hourly rate £38.00 £31.27 £26.75
% change year-on-year +21.52% +16.89%  

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 22 June 2017.

Contractor daily rate histogram for Big Data in Bristol

For the 6 months to 22 June 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 10 (76.92%) Agile Software Development
1 10 (76.92%) Hadoop
2 8 (61.54%) Cloudera
3 6 (46.15%) Analytical Skills
3 6 (46.15%) MongoDB
3 6 (46.15%) Data Architecture
3 6 (46.15%) Management Information System
4 5 (38.46%) Legal
4 5 (38.46%) ITIL
4 5 (38.46%) PRINCE2
4 5 (38.46%) Data Modelling
4 5 (38.46%) ETL
4 5 (38.46%) Security Cleared
4 5 (38.46%) Data Management
4 5 (38.46%) TOGAF
4 5 (38.46%) Reference Data
4 5 (38.46%) Data Integration
4 5 (38.46%) Splunk
4 5 (38.46%) Data Quality
4 5 (38.46%) HBase
4 5 (38.46%) Neo4j
4 5 (38.46%) MapR
4 5 (38.46%) SDLC
4 5 (38.46%) Data Structures
4 5 (38.46%) Data Enrichment
4 5 (38.46%) Nuix
4 5 (38.46%) Apache Hive
4 5 (38.46%) Reference Data Management
5 4 (30.77%) Information Architecture
5 4 (30.77%) SC Cleared

Big Data
Co-occurring 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 3 (23.08%) Jupyter
2 1 (7.69%) SAS
Applications
1 1 (7.69%) Stata
Database & Business Intelligence
1 10 (76.92%) Hadoop
2 6 (46.15%) MongoDB
3 5 (38.46%) Apache Hive
3 5 (38.46%) HBase
3 5 (38.46%) Neo4j
4 2 (15.38%) Data Lake
5 1 (7.69%) Oracle Database
General
1 5 (38.46%) Legal
2 3 (23.08%) Finance
3 2 (15.38%) Banking
4 1 (7.69%) Retail
Job Titles
1 5 (38.46%) Architect
1 5 (38.46%) Data Architect
2 4 (30.77%) Developer
2 4 (30.77%) TOGAF Architect
3 3 (23.08%) Big Data Developer
3 3 (23.08%) Big Data Engineer
3 3 (23.08%) Senior Architect
3 3 (23.08%) Senior Data Architect
4 2 (15.38%) Analyst
4 2 (15.38%) Banking Analyst
4 2 (15.38%) Big Data Architect
4 2 (15.38%) ETL Architect
5 1 (7.69%) Business Analyst
5 1 (7.69%) Data Analyst
5 1 (7.69%) Data Analytics Architect
5 1 (7.69%) Enterprise Architect
5 1 (7.69%) Java Developer
5 1 (7.69%) Senior Developer
5 1 (7.69%) Senior Enterprise Architect
5 1 (7.69%) Senior Java Developer
Libraries, Frameworks & Software Standards
1 3 (23.08%) PySpark
2 1 (7.69%) J2EE
Miscellaneous
1 6 (46.15%) Analytical Skills
1 6 (46.15%) Management Information System
2 5 (38.46%) Data Structures
2 5 (38.46%) Reference Data
3 3 (23.08%) Algorithms
Processes & Methodologies
1 10 (76.92%) Agile Software Development
2 6 (46.15%) Data Architecture
3 5 (38.46%) Data Enrichment
3 5 (38.46%) Data Integration
3 5 (38.46%) Data Management
3 5 (38.46%) Data Modelling
3 5 (38.46%) ETL
3 5 (38.46%) ITIL
3 5 (38.46%) PRINCE2
3 5 (38.46%) Reference Data Management
3 5 (38.46%) SDLC
3 5 (38.46%) TOGAF
4 4 (30.77%) Information Architecture
4 4 (30.77%) Mathematics
5 3 (23.08%) Agile Project Management
5 3 (23.08%) Digital Transformation Programme
5 3 (23.08%) IT Strategy
5 3 (23.08%) Project Management
6 2 (15.38%) PRINCE
7 1 (7.69%) Information Management
Programming Languages
1 3 (23.08%) Python
2 1 (7.69%) Java
2 1 (7.69%) R
Qualifications
1 5 (38.46%) Security Cleared
2 4 (30.77%) SC Cleared
3 1 (7.69%) Degree
3 1 (7.69%) Postgraduate
Quality Assurance & Compliance
1 5 (38.46%) Data Quality
Vendors
1 8 (61.54%) Cloudera
2 5 (38.46%) MapR
2 5 (38.46%) Nuix
2 5 (38.46%) Splunk
3 1 (7.69%) Oracle