Period
to 20 November 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 20 November 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
20 Nov 2018
Same period 2017 Same period 2016
Rank 15 14 33
Rank change year-on-year -1 +19 +11
Contract jobs citing Big Data 29 18 6
As % of all contract IT jobs advertised in Slough 8.36% 6.10% 1.94%
As % of the Database & Business Intelligence category 50.88% 18.56% 7.06%
Number of daily rates quoted 23 15 6
Slough median daily rate £550 £450 £470
Median daily rate % change year-on-year +22.22% -4.26% +25.33%
Berkshire median daily rate £511 £500 £488
% change year-on-year +2.14% +2.56% -
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 57 97 85
As % of all contract IT jobs advertised in Slough 16.43% 32.88% 27.42%
Number of daily rates quoted 45 71 55
Slough median daily rate £475 £425 £325
Median daily rate % change year-on-year +11.76% +30.77% -4.76%
10th Percentile £318 £300 £264
90th Percentile £550 £575 £470
Berkshire median daily rate £450 £425 £401
% change year-on-year +5.88% +6.12% +0.13%
Number of hourly rates quoted 0 0 0
Slough median hourly rate - - -
Berkshire median hourly rate £33.25 £15.00 £9.50
% change year-on-year +121.67% +57.89% -31.32%

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 20 November 2018.

Contractor daily rate histogram for Big Data in Slough

For the 6 months to 20 November 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 27 (93.10%) Apache Spark
2 22 (75.86%) Analytics
2 22 (75.86%) Hadoop
3 19 (65.52%) SQL
3 19 (65.52%) Big Data Analytics
3 19 (65.52%) Apache Hive
3 19 (65.52%) Data Analytics
4 18 (62.07%) Kalman Filter
4 18 (62.07%) Open Source
4 18 (62.07%) Network Architecture
4 18 (62.07%) Analytical Skills
4 18 (62.07%) Spark Streaming
4 18 (62.07%) Flink
4 18 (62.07%) Data Ingestion
4 18 (62.07%) Python
4 18 (62.07%) ETL
4 18 (62.07%) TCP/IP
4 18 (62.07%) Internet
4 18 (62.07%) Data Protection
4 18 (62.07%) Firewall
4 18 (62.07%) Legal
4 18 (62.07%) SSH
4 18 (62.07%) Web Development
5 8 (27.59%) .NET
5 8 (27.59%) Computer Science
6 6 (20.69%) Software Engineering
6 6 (20.69%) Telecoms
6 6 (20.69%) Apache Cassandra
6 6 (20.69%) NoSQL
6 6 (20.69%) Kafka

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 27 (93.10%) Apache Spark
2 5 (17.24%) Elasticsearch
3 1 (3.45%) Apache Pig
3 1 (3.45%) Drupal
Cloud Services
1 4 (13.79%) Microsoft Azure
2 3 (10.34%) Amazon AWS
2 3 (10.34%) Azure Data Factory
3 1 (3.45%) Google Cloud Platform
3 1 (3.45%) IaaS
Communications & Networking
1 18 (62.07%) Firewall
1 18 (62.07%) Internet
1 18 (62.07%) SSH
1 18 (62.07%) TCP/IP
2 1 (3.45%) Broadband
2 1 (3.45%) Kerberos
2 1 (3.45%) LAN
2 1 (3.45%) WAN
Database & Business Intelligence
1 22 (75.86%) Hadoop
2 19 (65.52%) Apache Hive
3 18 (62.07%) Flink
4 6 (20.69%) Apache Cassandra
4 6 (20.69%) NoSQL
5 5 (17.24%) MongoDB
6 4 (13.79%) SQL Server
7 3 (10.34%) Cosmos DB
7 3 (10.34%) Data Lake
7 3 (10.34%) HDInsight
7 3 (10.34%) Power BI
7 3 (10.34%) Relational Database
7 3 (10.34%) SQL Server Analysis Services
8 1 (3.45%) Data Warehouse
8 1 (3.45%) HBase
8 1 (3.45%) Mahout
8 1 (3.45%) MySQL
8 1 (3.45%) Sqoop
Development Applications
1 3 (10.34%) Visual Studio
1 3 (10.34%) Visual Studio Team System
2 1 (3.45%) PHPUnit
General
1 18 (62.07%) Legal
2 6 (20.69%) Telecoms
3 2 (6.90%) Retail
Job Titles
1 16 (55.17%) Developer
2 15 (51.72%) Analytics Developer
3 14 (48.28%) Big Data Developer
4 11 (37.93%) Software Developer
5 6 (20.69%) Software Engineer
6 5 (17.24%) Big Data Engineer
6 5 (17.24%) Data Engineer
7 4 (13.79%) Big Data Software Engineer
7 4 (13.79%) Data Analytics Engineer
8 3 (10.34%) Architect
8 3 (10.34%) Azure Architect
9 2 (6.90%) Senior Software Engineer
10 1 (3.45%) Cloud Architect
10 1 (3.45%) DevOps Engineer
10 1 (3.45%) Drupal Developer
Libraries, Frameworks & Software Standards
1 18 (62.07%) Spark Streaming
2 8 (27.59%) .NET
3 6 (20.69%) Kafka
4 5 (17.24%) RabbitMQ
4 5 (17.24%) WPF
5 2 (6.90%) .NET Core
6 1 (3.45%) CSS
6 1 (3.45%) CSS3
6 1 (3.45%) HTML
6 1 (3.45%) HTML5
6 1 (3.45%) jQuery
6 1 (3.45%) Symfony
Miscellaneous
1 18 (62.07%) Analytical Skills
2 8 (27.59%) Computer Science
3 3 (10.34%) Greenfield Project
4 1 (3.45%) Machine to Machine
4 1 (3.45%) Over-the-Top Content
Operating Systems
1 1 (3.45%) Linux
1 1 (3.45%) Unix
Processes & Methodologies
1 22 (75.86%) Analytics
2 19 (65.52%) Big Data Analytics
2 19 (65.52%) Data Analytics
3 18 (62.07%) Data Ingestion
3 18 (62.07%) Data Protection
3 18 (62.07%) ETL
3 18 (62.07%) Kalman Filter
3 18 (62.07%) Network Architecture
3 18 (62.07%) Open Source
3 18 (62.07%) Web Development
4 6 (20.69%) Software Engineering
5 4 (13.79%) Business Intelligence
5 4 (13.79%) Deep Learning
5 4 (13.79%) Machine Learning
6 3 (10.34%) Data Mapping
6 3 (10.34%) DevOps
6 3 (10.34%) Disaster Recovery
6 3 (10.34%) Multithreaded Programming
6 3 (10.34%) OO
6 3 (10.34%) Use Case
Programming Languages
1 19 (65.52%) SQL
2 18 (62.07%) Python
3 3 (10.34%) C#
3 3 (10.34%) PowerShell
3 3 (10.34%) Shell Script
4 1 (3.45%) C
4 1 (3.45%) C++
4 1 (3.45%) Java
4 1 (3.45%) JavaScript
4 1 (3.45%) PHP
Qualifications
1 1 (3.45%) Computer Science Degree
1 1 (3.45%) Degree
Quality Assurance & Compliance
1 1 (3.45%) SLA
System Software
1 5 (17.24%) Docker
2 1 (3.45%) Apache ZooKeeper
2 1 (3.45%) HDFS
2 1 (3.45%) Oracle RAC
Systems Management
1 5 (17.24%) Kubernetes
2 1 (3.45%) Ambari
2 1 (3.45%) Ansible
2 1 (3.45%) Hadoop YARN
2 1 (3.45%) Oozie
2 1 (3.45%) Puppet
Vendors
1 3 (10.34%) Microsoft
2 1 (3.45%) Cisco
2 1 (3.45%) Google
2 1 (3.45%) Hortonworks
2 1 (3.45%) Oracle