The median contractor rate for a Big Data Architect was £592 per day in advertised job vacancies in the City of London during the 3 months to 24 June 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
London / City of London
3 months to
24 Jun 2017
Same period 2016 Same period 2015
Rank 156 162 206
Rank change year-on-year +6 +44  
Contract jobs requiring a Big Data Architect 10 3 2
As % of all contract IT jobs advertised in the City of London 0.31% 0.089% 0.034%
As % of the Job Titles category 0.32% 0.093% 0.036%
Number of daily rates quoted 6 2 2
Median daily rate £592 £538 £588
Median daily rate % change year-on-year +10.04% -8.51%  
90% offered a daily rate of more than £579 £528 £518
10% offered a daily rate of more than £725 £548 £658
UK excluding London median daily rate £575 £500 £538
% change year-on-year +15.00% -6.97%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -

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

Contract IT Job Roles
City of London
Contract job vacancies with a job title containing a recognized job role 3118 3240 5517
As % of all contract IT job vacancies advertised in the City of London 95.47% 95.77% 94.79%
Number of daily rates quoted 2387 2631 4253
Median daily rate £500 £475 £450
Median daily rate % change year-on-year +5.26% +5.55%  
90% offered a daily rate of more than £325 £313 £275
10% offered a daily rate of more than £650 £625 £625
UK excluding London median daily rate £400 £400 £370
% change year-on-year - +8.10%  
Number of hourly rates quoted 37 38 98
Median hourly rate £18.70 £19.00 £19.00
Median hourly rate % change year-on-year -1.60% -  
90% offered a hourly rate of more than £12.54 £12.50 £10.50
10% offered a hourly rate of more than £30.00 £31.50 £37.05
UK excluding London median hourly rate £17.50 £17.48 £16.00
% change year-on-year +0.14% +9.21%  

Big Data Architect
Job Vacancy Trend in the City of London

The job posting trend of jobs advertised in the City of London that featured Big Data Architect in the job title.

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 3 months to 24 June 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 24 June 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 17 (100.00%) Big Data
2 10 (58.82%) Analytics
3 8 (47.06%) Hadoop
3 8 (47.06%) Business Intelligence
3 8 (47.06%) Python
4 6 (35.29%) Google
4 6 (35.29%) Visualisation
4 6 (35.29%) Google Analytics
4 6 (35.29%) Talend Open Studio
4 6 (35.29%) Talend
4 6 (35.29%) Data Visualisation
4 6 (35.29%) Tableau
4 6 (35.29%) Apache Spark
4 6 (35.29%) SnapLogic
4 6 (35.29%) Looker
4 6 (35.29%) BigQuery
4 6 (35.29%) Google Cloud Platform
5 4 (23.53%) MapReduce
5 4 (23.53%) Sqoop
5 4 (23.53%) Agile Software Development
5 4 (23.53%) Java
6 3 (17.65%) Retail
6 3 (17.65%) Finance
6 3 (17.65%) HBase
6 3 (17.65%) Data Architecture
6 3 (17.65%) R
6 3 (17.65%) Amazon AWS
6 3 (17.65%) Machine Learning
6 3 (17.65%) SDLC
7 2 (11.76%) Hadoop YARN

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 6 (35.29%) Apache Spark
Business Applications
1 1 (5.88%) SAP Oil and Gas
Cloud Services
1 6 (35.29%) Google Analytics
1 6 (35.29%) Google Cloud Platform
2 3 (17.65%) Amazon AWS
3 2 (11.76%) Amazon EMR
4 1 (5.88%) Azure Data Factory
4 1 (5.88%) Azure Machine Learning
4 1 (5.88%) Data Lake Analytics
4 1 (5.88%) Microsoft Azure
Database & Business Intelligence
1 17 (100.00%) Big Data
2 8 (47.06%) Hadoop
3 6 (35.29%) BigQuery
3 6 (35.29%) Looker
4 4 (23.53%) Sqoop
5 3 (17.65%) HBase
6 2 (11.76%) Apache Hive
6 2 (11.76%) Data Warehouse
7 1 (5.88%) Apache Cassandra
7 1 (5.88%) Data Lake
7 1 (5.88%) HDInsight
7 1 (5.88%) MongoDB
7 1 (5.88%) NoSQL
7 1 (5.88%) Oracle Database
7 1 (5.88%) PostgreSQL
7 1 (5.88%) Power BI
7 1 (5.88%) RDBMS
7 1 (5.88%) Relational Database
7 1 (5.88%) SQL Server
Development Applications
1 6 (35.29%) Talend Open Studio
General
1 3 (17.65%) Finance
1 3 (17.65%) Retail
2 2 (11.76%) Banking
3 1 (5.88%) Electronics
3 1 (5.88%) Manufacturing
3 1 (5.88%) Marketing
3 1 (5.88%) Retail Banking
3 1 (5.88%) Telecoms
Libraries, Frameworks & Software Standards
1 2 (11.76%) Java EE
1 2 (11.76%) Kafka
1 2 (11.76%) Web Services
2 1 (5.88%) Node.js
Miscellaneous
1 2 (11.76%) Algorithms
2 1 (5.88%) Data Centre
2 1 (5.88%) Market Risk
Operating Systems
1 2 (11.76%) Linux
Processes & Methodologies
1 10 (58.82%) Analytics
2 8 (47.06%) Business Intelligence
3 6 (35.29%) Data Visualisation
3 6 (35.29%) Visualisation
4 4 (23.53%) Agile Software Development
4 4 (23.53%) MapReduce
5 3 (17.65%) Data Architecture
5 3 (17.65%) Machine Learning
5 3 (17.65%) SDLC
6 2 (11.76%) Data Modelling
6 2 (11.76%) E-Commerce
6 2 (11.76%) Enterprise Architecture
6 2 (11.76%) Microservices
6 2 (11.76%) Stakeholder Management
7 1 (5.88%) Data Governance
7 1 (5.88%) Digital Marketing
7 1 (5.88%) Migration
7 1 (5.88%) Open Source
7 1 (5.88%) Programme Management
7 1 (5.88%) Stress Testing
Programming Languages
1 8 (47.06%) Python
2 4 (23.53%) Java
3 3 (17.65%) R
4 2 (11.76%) Shell Script
4 2 (11.76%) SQL
5 1 (5.88%) C++
Qualifications
1 1 (5.88%) SC Cleared
1 1 (5.88%) Security Cleared
System Software
1 2 (11.76%) Apache Flume
1 2 (11.76%) Apache ZooKeeper
1 2 (11.76%) HDFS
Systems Management
1 2 (11.76%) Hadoop YARN
Vendors
1 6 (35.29%) Google
1 6 (35.29%) SnapLogic
1 6 (35.29%) Tableau
1 6 (35.29%) Talend
2 2 (11.76%) Hortonworks
3 1 (5.88%) Microsoft
3 1 (5.88%) Oracle
3 1 (5.88%) SAP
3 1 (5.88%) Splunk
3 1 (5.88%) Teradata