Period
to 21 November 2017

The median contractor rate for a Big Data Architect was £675 per day in advertised job vacancies in the City of London during the 6 months to 21 November 2017.

The first table below provides contractor rate benchmarking and summary statistics including a comparison to 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 Architect
Central London > City of London
6 months to
21 Nov 2017
Same period 2016 Same period 2015
Rank 245 233 256
Rank change year-on-year -12 +23 +38
Contract jobs requiring a Big Data Architect 7 16 7
As % of all contract IT jobs advertised in the City of London 0.098% 0.24% 0.077%
As % of the Job Titles category 0.10% 0.25% 0.081%
Number of daily rates quoted 6 14 6
City of London median daily rate £675 £650 £613
Median daily rate % change year-on-year +3.85% +6.12% -20.97%
10th Percentile £500 £516 £513
90th Percentile £763 £809 £838
Central London median daily rate £613 £610 £613
% change year-on-year +0.41% -0.41% -20.97%
Number of hourly rates quoted 0 0 0
City of London median hourly rate - - -
Central London median hourly rate - - -

The following table is for comparison with the above and includes summary statistics for all contract IT job vacancies advertised in the City of London. Most job vacancies include a discernible job title that can be normalized. As such, the figures in the second row provide an indication of the number of contract jobs in our overall sample.

All Contract IT Job Vacancies
City of London
Contract vacancies in the City of London with a recognized job title 6761 6355 8632
% of contract IT jobs with a recognized job title 94.55% 95.52% 95.27%
Number of daily rates quoted 5338 5046 6770
City of London median daily rate £500 £475 £450
Median daily rate % change year-on-year +5.26% +5.56% +2.86%
10th Percentile £313 £313 £275
90th Percentile £688 £663 £650
Central London median daily rate £500 £475 £450
% change year-on-year +5.26% +5.56% +5.88%
Number of hourly rates quoted 94 77 127
City of London median hourly rate £17.00 £17.50 £19.00
Median hourly rate % change year-on-year -2.86% -7.89% +8.57%
10th Percentile £11.25 £11.50 £10.30
90th Percentile £29.29 £48.40 £39.25
Central London median hourly rate £18.10 £17.21 £18.00
% change year-on-year +5.19% -4.40% +5.88%

Big Data Architect
Job Vacancy Trend in the City of London

Job postings that featured Big Data Architect in the job title as a percentage of all IT jobs advertised in the City of London.

Job vacancy trend for Big Data Architect in the City of London

Big Data Architect
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 Architect in the City of London.

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

Big Data Architect
Contractor Daily Rate Histogram in the City of London

The daily rate distribution of IT jobs citing Big Data Architect in the City of London over the 6 months to 21 November 2017.

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

Big Data Architect Skill Set
Top 30 Co-occurring IT Skills in the City of London

For the 6 months to 21 November 2017, Big Data Architect contract jobs required the following IT skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the City of London region featuring Big Data Architect in the job title.

1 7 (100.00%) Big Data
2 6 (85.71%) Hadoop
3 4 (57.14%) HBase
3 4 (57.14%) Analytics
3 4 (57.14%) Apache Cassandra
3 4 (57.14%) NoSQL
3 4 (57.14%) Apache Hive
3 4 (57.14%) HDFS
3 4 (57.14%) Apache Spark
4 3 (42.86%) Sqoop
4 3 (42.86%) MapReduce
4 3 (42.86%) R
4 3 (42.86%) Shell Script
4 3 (42.86%) Data Architecture
4 3 (42.86%) Agile Software Development
4 3 (42.86%) Enterprise Architecture
4 3 (42.86%) Python
5 2 (28.57%) Teradata
5 2 (28.57%) Java
5 2 (28.57%) SQL
5 2 (28.57%) Linux
5 2 (28.57%) Java EE
5 2 (28.57%) Kafka
5 2 (28.57%) Apache Flume
5 2 (28.57%) Machine Learning
5 2 (28.57%) Microservices
5 2 (28.57%) Oozie
5 2 (28.57%) Hadoop YARN
5 2 (28.57%) Data Centre
5 2 (28.57%) SDLC

Big Data Architect Skill Set
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 4 (57.14%) Apache Spark
2 1 (14.29%) Apache Pig
2 1 (14.29%) SAS
Cloud Services
1 1 (14.29%) Amazon AWS
Database & Business Intelligence
1 7 (100.00%) Big Data
2 6 (85.71%) Hadoop
3 4 (57.14%) Apache Cassandra
3 4 (57.14%) Apache Hive
3 4 (57.14%) HBase
3 4 (57.14%) NoSQL
4 3 (42.86%) Sqoop
5 1 (14.29%) Data Warehouse
5 1 (14.29%) MongoDB
5 1 (14.29%) RDBMS
5 1 (14.29%) Relational Database
Libraries, Frameworks & Software Standards
1 2 (28.57%) Java EE
1 2 (28.57%) Kafka
2 1 (14.29%) PySpark
Miscellaneous
1 2 (28.57%) Data Centre
Operating Systems
1 2 (28.57%) Linux
Processes & Methodologies
1 4 (57.14%) Analytics
2 3 (42.86%) Agile Software Development
2 3 (42.86%) Data Architecture
2 3 (42.86%) Enterprise Architecture
2 3 (42.86%) MapReduce
3 2 (28.57%) Machine Learning
3 2 (28.57%) Microservices
3 2 (28.57%) SDLC
4 1 (14.29%) Code Coverage
4 1 (14.29%) Data Integration
4 1 (14.29%) Data Modelling
4 1 (14.29%) Data Visualisation
4 1 (14.29%) Information Management
4 1 (14.29%) Line Management
4 1 (14.29%) Logistic Regression
4 1 (14.29%) Neural Network
4 1 (14.29%) Statistical Analysis
4 1 (14.29%) Time Management
4 1 (14.29%) UML
4 1 (14.29%) Visualisation
Programming Languages
1 3 (42.86%) Python
1 3 (42.86%) R
1 3 (42.86%) Shell Script
2 2 (28.57%) Java
2 2 (28.57%) SQL
3 1 (14.29%) Scala
System Software
1 4 (57.14%) HDFS
2 2 (28.57%) Apache Flume
Systems Management
1 2 (28.57%) Hadoop YARN
1 2 (28.57%) Oozie
Vendors
1 2 (28.57%) Teradata
2 1 (14.29%) Cloudera
2 1 (14.29%) Google
2 1 (14.29%) Hortonworks
2 1 (14.29%) IBM
2 1 (14.29%) Microsoft
2 1 (14.29%) Tableau