The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for PhD qualifications. Included is a benchmarking guide to the contractor rates offered over the 3 months to 22 March 2017 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.

3 months to
22 Mar 2017
Same period 2016 Same period 2015
PhD
London / City of London
Rank 139 133 186
Rank change year-on-year -6 +53  
Contract jobs citing PhD 12 18 6
As % of all contract IT jobs advertised in the City of London 0.40% 0.55% 0.12%
As % of the Qualifications category 2.89% 3.73% 0.72%
Number of daily rates quoted 7 17 5
Median daily rate £555 £725 £600
Median daily rate % change year-on-year -23.44% +20.83%  
90% offered a daily rate of more than £395 £615 £262
10% offered a daily rate of more than £723 £735 £645
UK excluding London median daily rate £425 £325 £301
% change year-on-year +30.76% +8.15%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £24.50 - £37.50

PhD is in the academic qualifications and professional certifications category. The following table is for comparison with the above and provides summary statistics for all academic qualifications and professional certifications cited in contract job vacancies advertised in the City of London.

Academic & Professional Certification
City of London
Contract job vacancies requiring academic qualifications or professional certifications 415 482 837
As % of all contract IT job vacancies advertised in the City of London 13.97% 14.74% 16.73%
Number of daily rates quoted 291 345 621
Median daily rate £475 £450 £413
Median daily rate % change year-on-year +5.55% +9.09%  
90% offered a daily rate of more than £275 £250 £250
10% offered a daily rate of more than £588 £625 £575
UK excluding London median daily rate £400 £390 £375
% change year-on-year +2.56% +4.00%  
Number of hourly rates quoted 9 5 17
Median hourly rate £15.87 £20.00 £22.00
Median hourly rate % change year-on-year -20.66% -9.09%  
90% offered a hourly rate of more than £12.32 £17.00 £13.47
10% offered a hourly rate of more than £27.56 £37.96 £23.00
UK excluding London median hourly rate £29.92 £40.00 £22.50
% change year-on-year -25.20% +77.77%  

PhD
Job Vacancy Trend in the City of London

The job posting trend of jobs advertised in the City of London citing PhD as a proportion of all contract or permanent IT jobs with a match in the Qualifications category.

Job vacancy trend for PhD in the City of London

PhD
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 PhD in the City of London.

Contractor daily rate trend for PhD in the City of London

PhD
Contractor Daily Rate Histogram in the City of London

The daily rate distribution of IT jobs citing PhD in the City of London over the 3 months to 22 March 2017.

Contractor daily rate histogram for PhD in the City of London

PhD
Contractor Hourly Rate Trend in the City of London

This chart provides the 3-month moving average for hourly rates quoted in IT contractor jobs citing PhD in the City of London.

Contractor hourly rate trend for PhD in the City of London

PhD
Top 30 Related IT Skills in the City of London

For the 6 months to 22 March 2017, IT contractor jobs citing PhD also mentioned the following 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 with a requirement for PhD.

1 17 (70.83%) Python
2 16 (66.67%) Mathematics
3 15 (62.50%) R
4 14 (58.33%) Statistics
5 11 (45.83%) Degree
6 10 (41.67%) Machine Learning
7 9 (37.50%) Analytics
7 9 (37.50%) Big Data
8 8 (33.33%) Hadoop
8 8 (33.33%) Apache Spark
8 8 (33.33%) Finance
9 7 (29.17%) Front Office
9 7 (29.17%) MATLAB
9 7 (29.17%) C++
9 7 (29.17%) Java
9 7 (29.17%) Computer Science
10 6 (25.00%) Business Intelligence
10 6 (25.00%) Scala
11 5 (20.83%) Apache Hive
11 5 (20.83%) Algorithms
11 5 (20.83%) Analytical Skills
11 5 (20.83%) SQL
12 4 (16.67%) Banking
12 4 (16.67%) Neural Network
12 4 (16.67%) Hadoop YARN
12 4 (16.67%) MongoDB
12 4 (16.67%) Apache Cassandra
12 4 (16.67%) NoSQL
12 4 (16.67%) MapReduce
12 4 (16.67%) Tableau

PhD
Top Related 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 8 (33.33%) Apache Spark
2 4 (16.67%) Apache Pig
3 3 (12.50%) Apache
Applications
1 1 (4.17%) MS Excel
1 1 (4.17%) Weka
Business Applications
1 2 (8.33%) SAP Oil and Gas
Communications & Networking
1 1 (4.17%) Internet
Database & Business Intelligence
1 9 (37.50%) Big Data
2 8 (33.33%) Hadoop
3 5 (20.83%) Apache Hive
4 4 (16.67%) Apache Cassandra
4 4 (16.67%) HBase
4 4 (16.67%) MongoDB
4 4 (16.67%) NoSQL
5 3 (12.50%) Data Lake
5 3 (12.50%) Flink
5 3 (12.50%) Neo4j
5 3 (12.50%) PostgreSQL
5 3 (12.50%) RDBMS
5 3 (12.50%) Relational Database
6 1 (4.17%) Amazon Redshift
6 1 (4.17%) Cloudera CDH
6 1 (4.17%) Data Mining
6 1 (4.17%) KDB
6 1 (4.17%) QlikView
6 1 (4.17%) Spotfire
6 1 (4.17%) Text Mining
Development Applications
1 1 (4.17%) Git (software)
General
1 8 (33.33%) Finance
2 7 (29.17%) Front Office
3 4 (16.67%) Banking
4 2 (8.33%) Electronics
4 2 (8.33%) Financial Institution
4 2 (8.33%) Manufacturing
4 2 (8.33%) Marketing
4 2 (8.33%) Retail
4 2 (8.33%) Telecoms
Job Titles
1 12 (50.00%) Data Scientist
2 6 (25.00%) Analyst
3 5 (20.83%) Developer
4 4 (16.67%) Quantitative Developer
5 3 (12.50%) Machine Learning Scientist
5 3 (12.50%) Technical Analyst
6 2 (8.33%) C++ Developer
6 2 (8.33%) C++ Quantitative Developer
6 2 (8.33%) Information Analyst
6 2 (8.33%) Statistician
7 1 (4.17%) Consultant
7 1 (4.17%) Data Analyst
7 1 (4.17%) Data Engineer
7 1 (4.17%) Junior
7 1 (4.17%) Junior Consultant
7 1 (4.17%) Machine Learning Consultant
7 1 (4.17%) Machine Learning Engineer
7 1 (4.17%) Process Engineer
7 1 (4.17%) Qualitative Analyst
7 1 (4.17%) Quantitative Analyst
Libraries, Frameworks & Software Standards
1 4 (16.67%) Natural Language Processing
2 3 (12.50%) Akka
2 3 (12.50%) Kafka
3 2 (8.33%) NumPy
4 1 (4.17%) AngularJS
4 1 (4.17%) D3.js
4 1 (4.17%) Pandas
4 1 (4.17%) scikit-learn
4 1 (4.17%) SciPy
Miscellaneous
1 7 (29.17%) Computer Science
2 5 (20.83%) Algorithms
2 5 (20.83%) Analytical Skills
3 3 (12.50%) Foreign Exchange (FX)
4 2 (8.33%) Market Risk
5 1 (4.17%) Credit Risk
5 1 (4.17%) Fintech
Operating Systems
1 1 (4.17%) Linux
Processes & Methodologies
1 16 (66.67%) Mathematics
2 14 (58.33%) Statistics
3 10 (41.67%) Machine Learning
4 9 (37.50%) Analytics
5 6 (25.00%) Business Intelligence
6 4 (16.67%) MapReduce
6 4 (16.67%) Neural Network
7 3 (12.50%) Artificial Intelligence
7 3 (12.50%) E-Commerce
7 3 (12.50%) Open Source
7 3 (12.50%) Operations Research
7 3 (12.50%) Physics
7 3 (12.50%) Statistical Modelling
8 2 (8.33%) Data Modelling
8 2 (8.33%) Deep Learning
8 2 (8.33%) Digital Marketing
8 2 (8.33%) Predictive Modelling
8 2 (8.33%) Programme Management
8 2 (8.33%) Prototyping
8 2 (8.33%) Visualisation
Programming Languages
1 17 (70.83%) Python
2 15 (62.50%) R
3 7 (29.17%) C++
3 7 (29.17%) Java
3 7 (29.17%) MATLAB
4 6 (25.00%) Scala
5 5 (20.83%) SQL
6 1 (4.17%) C
6 1 (4.17%) JavaScript
6 1 (4.17%) Shell Script
Qualifications
1 11 (45.83%) Degree
2 2 (8.33%) Postgraduate
Systems Management
1 4 (16.67%) Hadoop YARN
Vendors
1 4 (16.67%) Hortonworks
1 4 (16.67%) Tableau
2 2 (8.33%) SAP
3 1 (4.17%) Splunk