The following table provides summary statistics for contract job vacancies advertised in Buckinghamshire 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 East / Buckinghamshire
3 months to
22 Jun 2017
Same period 2016 Same period 2015
Rank 63 51 76
Rank change year-on-year -12 +25  
Contract jobs citing Big Data 25 23 14
As % of all contract IT jobs advertised in Buckinghamshire 2.47% 2.40% 1.14%
As % of the Database & Business Intelligence category 11.47% 9.54% 4.73%
Number of daily rates quoted 8 2 2
Median daily rate £395 £483 £425
Median daily rate % change year-on-year -18.13% +13.52%  
90% offered a daily rate of more than £343 £397 £345
10% offered a daily rate of more than £495 £569 £505
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 Buckinghamshire with a requirement for database and business intelligence skills.

Contract Database & Business Intelligence Skills
Buckinghamshire
Contract job vacancies with a requirement for database and business intelligence skills 218 241 296
As % of all contract IT job vacancies advertised in Buckinghamshire 21.50% 25.16% 24.14%
Number of daily rates quoted 81 110 139
Median daily rate £400 £375 £350
Median daily rate % change year-on-year +6.66% +7.14%  
90% offered a daily rate of more than £292 £300 £262
10% offered a daily rate of more than £468 £500 £475
UK excluding London median daily rate £400 £388 £351
% change year-on-year +3.22% +10.55%  
Number of hourly rates quoted 3 0 9
Median hourly rate £19.00 - £26.00
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 Buckinghamshire

The job posting trend of jobs advertised in Buckinghamshire 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 Buckinghamshire

Big Data
Contractor Daily Rate Trend in Buckinghamshire

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

Contractor daily rate trend for Big Data in Buckinghamshire

Big Data
Contractor Daily Rate Histogram in Buckinghamshire

The daily rate distribution of IT jobs citing Big Data in Buckinghamshire over the 3 months to 22 June 2017.

Contractor daily rate histogram for Big Data in Buckinghamshire

Big Data
Contract Job Locations in Buckinghamshire

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Big Data within the Buckinghamshire region over the 3 months to 22 June 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Milton Keynes -10 20 £395 -18.13% 5
Big Data
South East

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 Buckinghamshire region with a requirement for Big Data.

1 43 (82.69%) Hadoop
2 35 (67.31%) Agile Software Development
3 27 (51.92%) Java
4 26 (50.00%) Apache Hive
4 26 (50.00%) Impala
4 26 (50.00%) Apache Spark
5 23 (44.23%) Scala
6 20 (38.46%) Banking
7 16 (30.77%) Finance
8 13 (25.00%) MapReduce
8 13 (25.00%) Scrum
8 13 (25.00%) Continuous Integration
9 12 (23.08%) MongoDB
9 12 (23.08%) NoSQL
9 12 (23.08%) Cloudera
10 11 (21.15%) Apache Cassandra
10 11 (21.15%) DevOps
10 11 (21.15%) Data Lake
11 10 (19.23%) Git (software)
11 10 (19.23%) Jenkins
11 10 (19.23%) Sqoop
12 9 (17.31%) Apache Pig
12 9 (17.31%) Oozie
12 9 (17.31%) Apache Flume
12 9 (17.31%) HDFS
12 9 (17.31%) Perl
12 9 (17.31%) Python
13 8 (15.38%) SQL
13 8 (15.38%) Data Architecture
13 8 (15.38%) Hadoop YARN

Big Data
Co-occurring IT Skills in Buckinghamshire 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 26 (50.00%) Apache Spark
2 9 (17.31%) Apache Pig
3 4 (7.69%) Apache
4 3 (5.77%) IIS
4 3 (5.77%) MS Exchange
5 2 (3.85%) Tomcat
Cloud Services
1 3 (5.77%) Amazon AWS
1 3 (5.77%) Microsoft Azure
1 3 (5.77%) Office 365
1 3 (5.77%) OpenShift
Communications & Networking
1 3 (5.77%) Firewall
1 3 (5.77%) Internet
1 3 (5.77%) NAS
1 3 (5.77%) SAN
2 1 (1.92%) ATM
2 1 (1.92%) Intranet
Database & Business Intelligence
1 43 (82.69%) Hadoop
2 26 (50.00%) Apache Hive
2 26 (50.00%) Impala
3 12 (23.08%) MongoDB
3 12 (23.08%) NoSQL
4 11 (21.15%) Apache Cassandra
4 11 (21.15%) Data Lake
5 10 (19.23%) Sqoop
6 8 (15.38%) HBase
7 5 (9.62%) PostgreSQL
7 5 (9.62%) SQL Server
8 3 (5.77%) Relational Database
8 3 (5.77%) SQL Server 2005
8 3 (5.77%) SQL Server 2012
8 3 (5.77%) SQL Server 2016
9 1 (1.92%) Data Warehouse
9 1 (1.92%) PowerCenter
Development Applications
1 10 (19.23%) Git (software)
1 10 (19.23%) Jenkins
2 3 (5.77%) git-flow
2 3 (5.77%) JIRA
2 3 (5.77%) JUnit
3 2 (3.85%) Ant
3 2 (3.85%) Eclipse
3 2 (3.85%) GitLab
3 2 (3.85%) Gradle
3 2 (3.85%) Hudson
3 2 (3.85%) Karma Test Runner
3 2 (3.85%) Mocha
3 2 (3.85%) PhantomJS
3 2 (3.85%) Protractor
4 1 (1.92%) Talend Open Studio
General
1 20 (38.46%) Banking
2 16 (30.77%) Finance
3 3 (5.77%) Retail
4 2 (3.85%) Corporate Banking
4 2 (3.85%) Retail Banking
5 1 (1.92%) Telecoms
Job Titles
1 34 (65.38%) Developer
2 17 (32.69%) Hadoop Developer
2 17 (32.69%) Java Developer
3 14 (26.92%) Big Data Developer
4 7 (13.46%) Apache Spark Developer
5 6 (11.54%) Agile Developer
5 6 (11.54%) Architect
5 6 (11.54%) Java Hadoop Developer
5 6 (11.54%) Scala Developer
6 5 (9.62%) Analyst
6 5 (9.62%) Technical Architect
6 5 (9.62%) Technical Leader
7 4 (7.69%) Agile Java Developer
7 4 (7.69%) Analyst Developer
7 4 (7.69%) Front End Developer (Client-Side Developer)
7 4 (7.69%) Front End Java Developer (Client-Side Java Developer)
7 4 (7.69%) JavaScript Developer
8 2 (3.85%) Automation Tester
8 2 (3.85%) Java Scala Developer
8 2 (3.85%) Technical Developer
Libraries, Frameworks & Software Standards
1 8 (15.38%) Spark Streaming
2 7 (13.46%) CSS
2 7 (13.46%) REST
3 5 (9.62%) CSS3
3 5 (9.62%) Java EE
3 5 (9.62%) Kafka
3 5 (9.62%) Node.js
4 4 (7.69%) JSON
4 4 (7.69%) Web Services
5 3 (5.77%) AngularJS
5 3 (5.77%) HTML
5 3 (5.77%) jQuery
6 2 (3.85%) .NET
6 2 (3.85%) Chai
6 2 (3.85%) EJB
6 2 (3.85%) J2EE
6 2 (3.85%) RESTful
6 2 (3.85%) SOAP
6 2 (3.85%) XML
6 2 (3.85%) XSLT
Miscellaneous
1 3 (5.77%) Clustering
2 2 (3.85%) Online Banking
3 1 (1.92%) Mobile Banking
Operating Systems
1 5 (9.62%) Windows
2 3 (5.77%) Linux
2 3 (5.77%) Solaris
2 3 (5.77%) Windows Server
2 3 (5.77%) Windows Server 2003
2 3 (5.77%) Windows Vista
3 2 (3.85%) Red Hat Enterprise Linux
Processes & Methodologies
1 35 (67.31%) Agile Software Development
2 13 (25.00%) Continuous Integration
2 13 (25.00%) MapReduce
2 13 (25.00%) Scrum
3 11 (21.15%) DevOps
4 8 (15.38%) Data Architecture
5 7 (13.46%) ETL
5 7 (13.46%) Open Source
6 6 (11.54%) Data Modelling
7 5 (9.62%) Cybersecurity
7 5 (9.62%) Service Delivery
8 4 (7.69%) Analytics
8 4 (7.69%) Service Design
8 4 (7.69%) TDD
9 3 (5.77%) TOGAF
9 3 (5.77%) Unit Testing
10 2 (3.85%) Manual Testing
10 2 (3.85%) Technical Architecture
10 2 (3.85%) UML
10 2 (3.85%) Workflow
Programming Languages
1 27 (51.92%) Java
2 23 (44.23%) Scala
3 9 (17.31%) Perl
3 9 (17.31%) Python
4 8 (15.38%) SQL
5 5 (9.62%) JavaScript
6 4 (7.69%) Shell Script
7 2 (3.85%) C#
7 2 (3.85%) VB.NET
Qualifications
1 6 (11.54%) Security Cleared
2 3 (5.77%) MCITP
2 3 (5.77%) MCSE
2 3 (5.77%) Microsoft Certification
3 1 (1.92%) CCNA
3 1 (1.92%) Cisco Certification
3 1 (1.92%) DV Cleared
3 1 (1.92%) SC Cleared
3 1 (1.92%) VMware Certified Professional (VCP)
Quality Assurance & Compliance
1 1 (1.92%) QA
System Software
1 9 (17.31%) Apache Flume
1 9 (17.31%) HDFS
2 3 (5.77%) Active Directory
2 3 (5.77%) Hyper-V
2 3 (5.77%) VMware Infrastructure
Systems Management
1 9 (17.31%) Oozie
2 8 (15.38%) Hadoop YARN
3 3 (5.77%) Microsoft Clustering
3 3 (5.77%) OpenView Configuration Management
3 3 (5.77%) SCCM
3 3 (5.77%) SCOM
Vendors
1 12 (23.08%) Cloudera
2 5 (9.62%) MicroStrategy
3 3 (5.77%) Citrix
3 3 (5.77%) HP
3 3 (5.77%) Microsoft
3 3 (5.77%) Oracle
3 3 (5.77%) Red Hat
3 3 (5.77%) StorageTek
3 3 (5.77%) Sun
3 3 (5.77%) VMware
4 2 (3.85%) Hortonworks
4 2 (3.85%) IBM
4 2 (3.85%) Pega
5 1 (1.92%) Informatica
5 1 (1.92%) Talend
5 1 (1.92%) Teradata