Period
to 18 June 2018

The following table provides summary statistics for contract job vacancies advertised in the City of London 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 June 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
Central London > City of London
6 months to
18 Jun 2018
Same period 2017 Same period 2016
Rank 65 49 89
Rank change year-on-year -16 +40 +22
Contract jobs citing Big Data 250 266 165
As % of all contract IT jobs advertised in the City of London 3.63% 4.28% 2.52%
As % of the Database & Business Intelligence category 14.50% 15.94% 9.68%
Number of daily rates quoted 215 224 136
City of London median daily rate £575 £550 £518
Median daily rate % change year-on-year +4.55% +6.28% -10.00%
10th Percentile £450 £400 £363
90th Percentile £688 £720 £694
Central London median daily rate £550 £550 £518
% change year-on-year - +6.28% -10.00%
Number of hourly rates quoted 0 0 0
City of London median hourly rate - - -
Central London median hourly rate - - -

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 the City of London with a requirement for database or business intelligence skills.

All Database and Business Intelligence Skills
City of London
Contract vacancies with a requirement for database or business intelligence skills 1,724 1,669 1,704
As % of all contract IT jobs advertised in the City of London 25.02% 26.88% 26.00%
Number of daily rates quoted 1,416 1,321 1,350
City of London median daily rate £525 £500 £475
Median daily rate % change year-on-year +5.00% +5.26% +5.56%
10th Percentile £363 £330 £313
90th Percentile £675 £650 £638
Central London median daily rate £520 £500 £475
% change year-on-year +4.00% +5.26% +5.56%
Number of hourly rates quoted 10 3 10
City of London median hourly rate £22.25 £21.50 £19.00
Median hourly rate % change year-on-year +3.49% +13.16% -42.42%
10th Percentile £20.63 £20.75 £16.03
90th Percentile £36.90 £22.85 £60.00
Central London median hourly rate £30.00 £21.50 £19.00
% change year-on-year +39.53% +13.16% -26.28%

Big Data
Job Vacancy Trend in the City of London

Job postings citing Big Data as a percentage of all IT jobs advertised in the City of London.

Job vacancy trend for Big Data in the City of London

Big Data
Contractor Daily Rate Trend in the City of London

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

Contractor daily rate trend for Big Data in the City of London

Big Data
Contractor Daily Rate Histogram in the City of London

The daily rate distribution of IT jobs citing Big Data in the City of London over the 6 months to 18 June 2018.

Contractor daily rate histogram for Big Data in the City of London

Big Data
Contract Job Locations in the City of London

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 City of London region over the 6 months to 18 June 2018. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
London Bridge - 8 £525 -
Big Data
Central London

For the 6 months to 18 June 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 City of London region with a requirement for Big Data.

1 146 (58.40%) Hadoop
2 121 (48.40%) Java
3 114 (45.60%) Apache Spark
4 105 (42.00%) Python
5 97 (38.80%) Agile Software Development
6 79 (31.60%) Apache Hive
7 71 (28.40%) Finance
7 71 (28.40%) SQL
7 71 (28.40%) Analytics
8 65 (26.00%) Kafka
9 62 (24.80%) Scala
9 62 (24.80%) Amazon AWS
10 55 (22.00%) ETL
11 48 (19.20%) NoSQL
12 46 (18.40%) Java 8
13 39 (15.60%) TDD
14 38 (15.20%) Machine Learning
15 37 (14.80%) Microservices
15 37 (14.80%) HDFS
15 37 (14.80%) Linux
16 36 (14.40%) DevOps
16 36 (14.40%) Elasticsearch
16 36 (14.40%) Data Science
17 35 (14.00%) MongoDB
18 32 (12.80%) Relational Database
18 32 (12.80%) Data Warehouse
19 31 (12.40%) Banking
20 30 (12.00%) Scrum
20 30 (12.00%) HBase
20 30 (12.00%) Microsoft Azure

Big Data
Co-occurring IT Skills in the City of London 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
1 114 (45.60%) Apache Spark
2 36 (14.40%) Elasticsearch
3 28 (11.20%) Apache
4 18 (7.20%) Apache Pig
5 10 (4.00%) Apache Solr
6 4 (1.60%) SAS
6 4 (1.60%) SharePoint
7 3 (1.20%) Apache Airflow
7 3 (1.20%) Tomcat
8 2 (0.80%) Luigi
8 2 (0.80%) WebSphere
9 1 (0.40%) Confluence
9 1 (0.40%) EPiServer
9 1 (0.40%) IPython
9 1 (0.40%) Jupyter
9 1 (0.40%) nginx
9 1 (0.40%) NServiceBus
9 1 (0.40%) OpenStack
9 1 (0.40%) Oracle SOA Suite
9 1 (0.40%) Sitecore CMS
Applications
1 10 (4.00%) Microsoft Excel
2 6 (2.40%) MS Visio
3 3 (1.20%) Spreadsheet
4 2 (0.80%) Microsoft Office
4 2 (0.80%) Microsoft PowerPoint
5 1 (0.40%) Chatbot
5 1 (0.40%) SPSS
Business Applications
1 2 (0.80%) Salesforce.com CRM
2 1 (0.40%) Dynamics CRM
2 1 (0.40%) Eloqua
2 1 (0.40%) ION MarketView
2 1 (0.40%) Payment Gateway
2 1 (0.40%) Temenos T24
Cloud Services
1 62 (24.80%) Amazon AWS
2 30 (12.00%) Microsoft Azure
3 14 (5.60%) Amazon S3
4 12 (4.80%) Amazon Kinesis
5 11 (4.40%) Google Cloud Platform
6 10 (4.00%) Amazon EMR
7 8 (3.20%) Serverless
8 5 (2.00%) Amazon EC2
8 5 (2.00%) Cloud Computing
8 5 (2.00%) GitHub
8 5 (2.00%) Virtual Private Cloud
9 4 (1.60%) AWS Lambda
10 3 (1.20%) Azure Data Factory
11 2 (0.80%) Data Lake Analytics
11 2 (0.80%) Heroku
11 2 (0.80%) Salesforce Sales Cloud
11 2 (0.80%) Salesforce Service Cloud
12 1 (0.40%) Azure Machine Learning
12 1 (0.40%) Dynamics 365
12 1 (0.40%) SaaS
Communications & Networking
1 5 (2.00%) HTTP
1 5 (2.00%) Kerberos
2 3 (1.20%) DNS
2 3 (1.20%) SSL
3 2 (0.80%) Firewall
3 2 (0.80%) FTP
3 2 (0.80%) TCP/IP
4 1 (0.40%) HTTPS
4 1 (0.40%) Intranet
4 1 (0.40%) Intrusion Detection
4 1 (0.40%) SMS
4 1 (0.40%) SSH
4 1 (0.40%) WAN
Database & Business Intelligence
1 146 (58.40%) Hadoop
2 79 (31.60%) Apache Hive
3 48 (19.20%) NoSQL
4 35 (14.00%) MongoDB
5 32 (12.80%) Data Warehouse
5 32 (12.80%) Relational Database
6 30 (12.00%) HBase
7 25 (10.00%) Apache Cassandra
8 23 (9.20%) SQL Server
9 20 (8.00%) Data Lake
10 19 (7.60%) Amazon Redshift
11 16 (6.40%) PostgreSQL
11 16 (6.40%) Sqoop
12 14 (5.60%) MySQL
13 13 (5.20%) Impala
14 9 (3.60%) RDBMS
14 9 (3.60%) SQL Server Integration Services
15 6 (2.40%) Power BI
15 6 (2.40%) Redis
16 5 (2.00%) SQL Server Reporting Services
Development Applications
1 23 (9.20%) Jenkins
2 22 (8.80%) Git (software)
3 21 (8.40%) Maven
4 9 (3.60%) JIRA
5 7 (2.80%) TeamCity
6 6 (2.40%) JUnit
7 4 (1.60%) Selenium
8 3 (1.20%) GitLab
9 2 (0.80%) Cucumber
9 2 (0.80%) Gradle
9 2 (0.80%) gulp
9 2 (0.80%) Vagrant
10 1 (0.40%) Build Forge
10 1 (0.40%) Jasmine
10 1 (0.40%) JConsole
10 1 (0.40%) SpecFlow
10 1 (0.40%) Subversion
10 1 (0.40%) Team Foundation Server
10 1 (0.40%) TestNG
10 1 (0.40%) VisualVM
General
1 71 (28.40%) Finance
2 31 (12.40%) Banking
3 15 (6.00%) Retail
4 12 (4.80%) Investment Banking
5 10 (4.00%) Advertising
5 10 (4.00%) Marketing
6 5 (2.00%) Financial Institution
6 5 (2.00%) Games
7 3 (1.20%) Front Office
8 2 (0.80%) Legal
8 2 (0.80%) Private Banking
8 2 (0.80%) Publishing
9 1 (0.40%) Electronics
9 1 (0.40%) French Language
9 1 (0.40%) Manufacturing
9 1 (0.40%) Retail Banking
9 1 (0.40%) Spanish Language
9 1 (0.40%) Telecoms
9 1 (0.40%) Wholesale Banking
Job Titles
1 78 (31.20%) Developer
2 61 (24.40%) Data Engineer
3 60 (24.00%) Big Data Engineer
4 30 (12.00%) Java Developer
5 29 (11.60%) Big Data Developer
6 22 (8.80%) Hadoop Engineer
7 21 (8.40%) Architect
8 18 (7.20%) Senior Hadoop Engineer
9 17 (6.80%) Elasticsearch Engineer
9 17 (6.80%) Java Engineer
9 17 (6.80%) Senior Java Engineer
10 16 (6.40%) Data Scientist
10 16 (6.40%) Senior Developer
11 14 (5.60%) Data Architect
12 13 (5.20%) Python Engineer
13 12 (4.80%) AWS Engineer
13 12 (4.80%) Senior Java Developer
14 11 (4.40%) Analyst
14 11 (4.40%) DevOps Engineer
15 9 (3.60%) Full Stack Developer
Libraries, Frameworks & Software Standards
1 65 (26.00%) Kafka
2 28 (11.20%) AngularJS
3 18 (7.20%) REST
4 16 (6.40%) JSON
5 14 (5.60%) HTML
5 14 (5.60%) Spring
6 12 (4.80%) Spring Boot
7 11 (4.40%) HTML5
8 9 (3.60%) React
9 8 (3.20%) JMS
9 8 (3.20%) scikit-learn
10 7 (2.80%) .NET
10 7 (2.80%) Akka
10 7 (2.80%) CSS
10 7 (2.80%) PySpark
10 7 (2.80%) RabbitMQ
10 7 (2.80%) RESTful
11 6 (2.40%) SOAP
11 6 (2.40%) TensorFlow
11 6 (2.40%) XML
Miscellaneous
1 17 (6.80%) Algorithms
2 14 (5.60%) Greenfield Project
3 13 (5.20%) Analytical Skills
4 12 (4.80%) Computer Science
5 10 (4.00%) Data Structures
6 8 (3.20%) Data Centre
7 7 (2.80%) Fintech
8 6 (2.40%) User Experience
9 5 (2.00%) Wiki
10 4 (1.60%) Linux Command Line
10 4 (1.60%) Management Information System
11 2 (0.80%) Online Games
11 2 (0.80%) PKI
11 2 (0.80%) Self-Motivation
11 2 (0.80%) Virtual Team
12 1 (0.40%) Analytical Mindset
12 1 (0.40%) Anti-Piracy
12 1 (0.40%) Hybrid Cloud
12 1 (0.40%) Private Cloud
12 1 (0.40%) Public Cloud
Operating Systems
1 37 (14.80%) Linux
2 15 (6.00%) Unix
3 8 (3.20%) Windows
4 6 (2.40%) Red Hat Enterprise Linux
5 5 (2.00%) CentOS
6 4 (1.60%) DC/OS
7 3 (1.20%) Ubuntu
8 2 (0.80%) CoreOS
8 2 (0.80%) Windows Server
9 1 (0.40%) Android
9 1 (0.40%) Windows 7
9 1 (0.40%) Windows Server 2008
Processes & Methodologies
1 97 (38.80%) Agile Software Development
2 71 (28.40%) Analytics
3 55 (22.00%) ETL
4 39 (15.60%) TDD
5 38 (15.20%) Machine Learning
6 37 (14.80%) Microservices
7 36 (14.40%) Data Science
7 36 (14.40%) DevOps
8 30 (12.00%) Scrum
9 28 (11.20%) Data Engineering
10 26 (10.40%) MapReduce
11 24 (9.60%) Continuous Integration
12 22 (8.80%) Business Intelligence
12 22 (8.80%) Data Modelling
13 20 (8.00%) Data Analytics
14 19 (7.60%) Open Source
15 16 (6.40%) Data Analysis
16 15 (6.00%) Data Management
16 15 (6.00%) Migration
16 15 (6.00%) Software Engineering
Programming Languages
1 121 (48.40%) Java
2 105 (42.00%) Python
3 71 (28.40%) SQL
4 62 (24.80%) Scala
5 46 (18.40%) Java 8
6 24 (9.60%) R
7 16 (6.40%) JavaScript
8 14 (5.60%) C#
9 12 (4.80%) Bash Shell
9 12 (4.80%) Shell Script
10 11 (4.40%) PowerShell
11 7 (2.80%) C
11 7 (2.80%) T-SQL
12 6 (2.40%) Go
12 6 (2.40%) Perl
13 5 (2.00%) C++
14 4 (1.60%) Clojure
14 4 (1.60%) ES6
14 4 (1.60%) Korn
15 3 (1.20%) TypeScript
Qualifications
1 9 (3.60%) Degree
1 9 (3.60%) PhD
2 8 (3.20%) Security Cleared
3 6 (2.40%) SC Cleared
4 3 (1.20%) Computer Science Degree
4 3 (1.20%) Numerate Degree
5 2 (0.80%) DV Cleared
5 2 (0.80%) Microsoft Certification
6 1 (0.40%) MCSD
6 1 (0.40%) SAFe Agilist
6 1 (0.40%) TOGAF Certification
Quality Assurance & Compliance
1 7 (2.80%) QA
2 6 (2.40%) GCP
3 5 (2.00%) GDPR
4 4 (1.60%) Data Quality
5 2 (0.80%) IFRS
5 2 (0.80%) IFRS 9
6 1 (0.40%) MiFID
6 1 (0.40%) PMO
System Software
1 37 (14.80%) HDFS
2 23 (9.20%) Docker
3 10 (4.00%) Apache Flume
4 6 (2.40%) Apache ZooKeeper
Systems Management
1 20 (8.00%) Ansible
2 17 (6.80%) Kubernetes
3 16 (6.40%) Puppet
4 15 (6.00%) Hadoop YARN
5 8 (3.20%) Oozie
6 6 (2.40%) Opscode Chef
7 5 (2.00%) Kibana
7 5 (2.00%) Mesos
8 4 (1.60%) Terraform
9 3 (1.20%) logstash
10 2 (0.80%) Docker Swarm
11 1 (0.40%) Rsyslog
11 1 (0.40%) Salt
Vendors
1 28 (11.20%) Cloudera
2 23 (9.20%) Oracle
3 17 (6.80%) Hortonworks
3 17 (6.80%) Microsoft
4 10 (4.00%) Tableau
5 9 (3.60%) Splunk
6 7 (2.80%) Google
7 6 (2.40%) MapR
8 4 (1.60%) Hitachi
8 4 (1.60%) Informatica
8 4 (1.60%) Salesforce.com
9 3 (1.20%) IBM
9 3 (1.20%) Red Hat
10 2 (0.80%) Alteryx
10 2 (0.80%) Pega
10 2 (0.80%) Talend
10 2 (0.80%) Telerik
11 1 (0.40%) Marketo
11 1 (0.40%) SaltStack
11 1 (0.40%) ServiceNow