The statistics below represent IT contracts advertised across the London region that had Principal Architect featuring in the job title. Included is a guide to the contractor rates offered over the 3 months to 22 February 2017 with a comparison to same period over 2 years.

Note that daily contractor rates and hourly contractor rates are treated separately. When calculating average contractor rates, daily rates are not derived from quoted hourly rates or vice versa.

3 months to
22 Feb 2017
Same period 2016 Same period 2015
Principal Architect
England / London
Rank 395 409 408
Rank change year-on-year
+14 -1
Contract jobs requiring a Principal Architect 1 10 4
As % of all contract IT jobs located in London 0.005% 0.047% 0.019%
As % of the Job Titles category 0.005% 0.049% 0.020%
Number of daily rates quoted 1 6 2
Median daily rate £575 £525 £522
Median daily rate % change year-on-year
+9.52% +0.50%
UK excluding London median daily rate £565 £575 £500
% change year-on-year
-1.73% +15.00%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - £33.00 -

The following table is for comparison with the above and provides statistics for the entire Job Titles category in contract jobs advertised in the London region. Most job vacancies include a discernible job title. As such the figures in the first row provide an indication of the total number of contract jobs in the overall sample.

Job Titles Category
London
Contract IT job ads with a match in the
Job Titles category
18340 20393 20020
As % of all contract IT jobs located in London 94.80% 95.07% 94.85%
Number of daily rates quoted 13137 14442 14116
Median daily rate £475 £450 £440
Median daily rate % change year-on-year
+5.55% +2.27%
90% offered a daily rate of more than £300 £293 £270
10% offered a daily rate of more than £638 £625 £600
UK excluding London median daily rate £400 £380 £375
% change year-on-year
+5.26% +1.33%
Number of hourly rates quoted 248 308 329
Median hourly rate £23.00 £17.00 £19.14
Median hourly rate % change year-on-year
+35.29% -11.15%
90% offered a hourly rate of more than £13.00 £11.00 £12.50
10% offered a hourly rate of more than £55.00 £45.00 £43.00
UK excluding London median hourly rate £17.50 £18.00 £16.75
% change year-on-year
-2.77% +7.46%

Principal Architect
Jobs Demand Trend in London

The demand trend of IT contracts across the London region that featured Principal Architect in the job title.

Principal Architect Jobs Demand Trend in London

Principal Architect
Daily Rate Trend in London

This chart provides the 3-month moving average for daily rates quoted in IT contract jobs citing Principal Architect across the London region.

Principal Architect Daily Rate Trend in London

Principal Architect Skill Set
Top 30 Related IT Skills in London

For the 6 months to 22 February 2017, Principal 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 London region featuring Principal Architect in the job title.

1 5 (55.56%) Big Data
2 4 (44.44%) Logical Data Model
2 4 (44.44%) Hadoop
2 4 (44.44%) Data Modelling
3 3 (33.33%) Business Intelligence
3 3 (33.33%) SAS
3 3 (33.33%) JavaScript
3 3 (33.33%) Agile Software Development
3 3 (33.33%) SAS EBI
3 3 (33.33%) MongoDB
4 2 (22.22%) NoSQL
4 2 (22.22%) AngularJS
4 2 (22.22%) Opscode Chef
4 2 (22.22%) DevOps
4 2 (22.22%) E-Commerce
4 2 (22.22%) Amazon AWS
4 2 (22.22%) Puppet
4 2 (22.22%) TDD
4 2 (22.22%) TOGAF
4 2 (22.22%) Spring
4 2 (22.22%) Java
4 2 (22.22%) SQL Server
4 2 (22.22%) Web Services
5 1 (11.11%) CESG
5 1 (11.11%) Adobe
5 1 (11.11%) CISSP
5 1 (11.11%) Middleware
5 1 (11.11%) MVC
5 1 (11.11%) CMS
5 1 (11.11%) PostgreSQL

Principal Architect Skill Set
Top Related IT Skills in 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 3 (33.33%) SAS
2 1 (11.11%) Adobe Experience Manager
2 1 (11.11%) Cloud Foundry
2 1 (11.11%) CMS
2 1 (11.11%) Elasticsearch
2 1 (11.11%) Mule
2 1 (11.11%) Oracle SOA Suite
Cloud Services
1 2 (22.22%) Amazon AWS
Communications & Networking
1 1 (11.11%) HTTP
1 1 (11.11%) Network Security
Database & Business Intelligence
1 5 (55.56%) Big Data
2 4 (44.44%) Hadoop
3 3 (33.33%) MongoDB
3 3 (33.33%) SAS EBI
4 2 (22.22%) NoSQL
4 2 (22.22%) SQL Server
5 1 (11.11%) Apache Hive
5 1 (11.11%) Data Warehouse
5 1 (11.11%) DB2
5 1 (11.11%) Hazelcast
5 1 (11.11%) HBase
5 1 (11.11%) PostgreSQL
5 1 (11.11%) Relational Database
Development Applications
1 1 (11.11%) Jenkins
General
1 1 (11.11%) Banking
Libraries, Frameworks & Software Standards
1 2 (22.22%) AngularJS
1 2 (22.22%) Spring
1 2 (22.22%) Web Services
2 1 (11.11%) .NET
2 1 (11.11%) ASP.NET Web API
2 1 (11.11%) Dropwizard
2 1 (11.11%) Guava
2 1 (11.11%) Hibernate
2 1 (11.11%) J2EE
2 1 (11.11%) JSON
2 1 (11.11%) Middleware
2 1 (11.11%) Node.js
2 1 (11.11%) React
2 1 (11.11%) XML
Miscellaneous
1 1 (11.11%) Analytical Skills
1 1 (11.11%) CESG
1 1 (11.11%) Distributed Denial-of-Service
Operating Systems
1 1 (11.11%) AIX
1 1 (11.11%) Linux
1 1 (11.11%) Unix
1 1 (11.11%) Windows
Processes & Methodologies
1 4 (44.44%) Data Modelling
1 4 (44.44%) Logical Data Model
2 3 (33.33%) Agile Software Development
2 3 (33.33%) Business Intelligence
3 2 (22.22%) DevOps
3 2 (22.22%) E-Commerce
3 2 (22.22%) TDD
3 2 (22.22%) TOGAF
4 1 (11.11%) API Design
4 1 (11.11%) Coaching
4 1 (11.11%) Continuous Deployment
4 1 (11.11%) Data Acquisition
4 1 (11.11%) Don't repeat yourself (DRY)
4 1 (11.11%) Inversion of Control
4 1 (11.11%) Mentoring
4 1 (11.11%) Microservices
4 1 (11.11%) Open Source
4 1 (11.11%) Physical Data Model
4 1 (11.11%) Security Architecture
4 1 (11.11%) SOLID
Programming Languages
1 3 (33.33%) JavaScript
2 2 (22.22%) Java
3 1 (11.11%) C#
3 1 (11.11%) Scala
3 1 (11.11%) SQL
Qualifications
1 1 (11.11%) CESG Certified Professional
1 1 (11.11%) CISSP
1 1 (11.11%) CITP
1 1 (11.11%) DV Cleared
1 1 (11.11%) IISP
1 1 (11.11%) MBCS
1 1 (11.11%) SC Cleared
1 1 (11.11%) Security Cleared
System Software
1 1 (11.11%) Docker
Systems Management
1 2 (22.22%) Opscode Chef
1 2 (22.22%) Puppet
2 1 (11.11%) Ansible
Vendors
1 1 (11.11%) Adobe
1 1 (11.11%) MuleSoft
1 1 (11.11%) Oracle
1 1 (11.11%) Teradata
1 1 (11.11%) Vertica