The table below looks at the prevalence of the term N-Tier in contract job vacancies advertised in the City of London. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited N-Tier over the 3 months to 27 June 2017 with a comparison to the same period over 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.

N-Tier
London / City of London
3 months to
27 Jun 2017
Same period 2016 Same period 2015
Rank 152 162 182
Rank change year-on-year +10 +20  
Contract jobs citing N-Tier 12 1 19
As % of all contract IT jobs advertised in the City of London 0.36% 0.030% 0.33%
As % of the Miscellaneous category 0.86% 0.075% 0.87%
Number of daily rates quoted 12 0 18
Median daily rate £556 - £500
90% offered a daily rate of more than £498 - £396
10% offered a daily rate of more than £575 - £583
UK excluding London median daily rate £371 £350 £400
% change year-on-year +5.92% -12.50%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -

N-Tier is in the generic IT skills category. The next 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 generic IT skills.

Generic IT Skills
City of London
Contract job vacancies with a requirement for generic IT skills 1390 1337 2191
As % of all contract IT job vacancies advertised in the City of London 42.07% 39.47% 38.18%
Number of daily rates quoted 1047 1125 1753
Median daily rate £533 £475 £475
Median daily rate % change year-on-year +12.10% -  
90% offered a daily rate of more than £325 £313 £300
10% offered a daily rate of more than £675 £650 £650
UK excluding London median daily rate £400 £388 £375
% change year-on-year +3.22% +3.33%  
Number of hourly rates quoted 14 15 38
Median hourly rate £18.70 £17.50 £22.29
Median hourly rate % change year-on-year +6.82% -21.48%  
90% offered a hourly rate of more than £12.93 £12.50 £14.88
10% offered a hourly rate of more than £22.20 £65.00 £59.95
UK excluding London median hourly rate £25.00 £23.00 £18.88
% change year-on-year +8.69% +21.82%  

N-Tier
Job Vacancy Trend in the City of London

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

Job vacancy trend for N-Tier in the City of London

N-Tier
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 N-Tier in the City of London.

Contractor daily rate trend for N-Tier in the City of London

N-Tier
Contractor Daily Rate Histogram in the City of London

The daily rate distribution of IT jobs citing N-Tier in the City of London over the 3 months to 27 June 2017.

Contractor daily rate histogram for N-Tier in the City of London

N-Tier
Contractor Hourly Rate Trend in the City of London

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

Contractor hourly rate trend for N-Tier in the City of London

For the 6 months to 27 June 2017, IT contractor jobs citing N-Tier 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 N-Tier.

1 12 (92.31%) Agile Software Development
2 10 (76.92%) Java
3 9 (69.23%) Finance
4 7 (53.85%) Spring
4 7 (53.85%) SQL
5 6 (46.15%) Web Services
6 5 (38.46%) Oracle
6 5 (38.46%) Banking
6 5 (38.46%) Scrum
6 5 (38.46%) Grid Computing
6 5 (38.46%) Team Foundation Server
6 5 (38.46%) BDD
7 4 (30.77%) Credit Risk
7 4 (30.77%) REST
7 4 (30.77%) Jenkins
7 4 (30.77%) SDLC
7 4 (30.77%) NUnit
7 4 (30.77%) CruiseControl
7 4 (30.77%) Subversion
7 4 (30.77%) SQL Server
7 4 (30.77%) C#
7 4 (30.77%) ClearCase
7 4 (30.77%) Financial Institution
8 3 (23.08%) Windows
8 3 (23.08%) JBoss
8 3 (23.08%) SOA
8 3 (23.08%) Ant
8 3 (23.08%) SOAP
8 3 (23.08%) Maven
8 3 (23.08%) TDD

N-Tier
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 3 (23.08%) JBoss
2 1 (7.69%) Apache
Cloud Services
1 1 (7.69%) Microsoft Azure
Communications & Networking
1 1 (7.69%) Kerberos
Database & Business Intelligence
1 4 (30.77%) SQL Server
Development Applications
1 5 (38.46%) Team Foundation Server
2 4 (30.77%) ClearCase
2 4 (30.77%) CruiseControl
2 4 (30.77%) Jenkins
2 4 (30.77%) NUnit
2 4 (30.77%) Subversion
3 3 (23.08%) Ant
3 3 (23.08%) Maven
4 2 (15.38%) Selenium
4 2 (15.38%) SoapUI
5 1 (7.69%) Git (software)
General
1 9 (69.23%) Finance
2 5 (38.46%) Banking
3 4 (30.77%) Financial Institution
4 2 (15.38%) Front Office
4 2 (15.38%) Investment Banking
4 2 (15.38%) Retail
5 1 (7.69%) Back Office
Job Titles
1 13 (100.00%) Developer
2 9 (69.23%) Java Developer
3 2 (15.38%) Credit Risk Developer
3 2 (15.38%) Credit Risk Java Developer
3 2 (15.38%) J2EE Developer
3 2 (15.38%) J2EE Web Developer
3 2 (15.38%) Java Web Developer
3 2 (15.38%) Java/J2EE Developer
3 2 (15.38%) Java/J2EE Web Developer
3 2 (15.38%) Web Developer
4 1 (7.69%) C++ Developer
4 1 (7.69%) Investment Banking C++ Developer
4 1 (7.69%) iOS Developer
4 1 (7.69%) Mobile Developer
4 1 (7.69%) Software Developer
4 1 (7.69%) WCF Developer
4 1 (7.69%) WPF Developer
Libraries, Frameworks & Software Standards
1 7 (53.85%) Spring
2 6 (46.15%) Web Services
3 4 (30.77%) REST
4 3 (23.08%) SOAP
5 2 (15.38%) AngularJS
5 2 (15.38%) CSS
5 2 (15.38%) Dropwizard
5 2 (15.38%) HTML
5 2 (15.38%) HTML5
5 2 (15.38%) J2EE
6 1 (7.69%) .NET
6 1 (7.69%) Boost C++ Libraries
6 1 (7.69%) Middleware
6 1 (7.69%) RESTful
6 1 (7.69%) STL
6 1 (7.69%) WCF
6 1 (7.69%) WPF
Miscellaneous
1 5 (38.46%) Grid Computing
2 4 (30.77%) Credit Risk
3 2 (15.38%) Client/Server
4 1 (7.69%) Algorithms
4 1 (7.69%) Analytical Skills
4 1 (7.69%) Derivative
4 1 (7.69%) Foreign Exchange (FX)
4 1 (7.69%) Mobile App
Operating Systems
1 3 (23.08%) Windows
2 1 (7.69%) Apple iOS
2 1 (7.69%) Unix
Processes & Methodologies
1 12 (92.31%) Agile Software Development
2 5 (38.46%) BDD
2 5 (38.46%) Scrum
3 4 (30.77%) SDLC
4 3 (23.08%) DevOps
4 3 (23.08%) Integration Testing
4 3 (23.08%) Open Source
4 3 (23.08%) SOA
4 3 (23.08%) TDD
5 2 (15.38%) Change Management
5 2 (15.38%) Multithreading
5 2 (15.38%) Project Planning
5 2 (15.38%) Test Automation
5 2 (15.38%) Web Development
6 1 (7.69%) Code Coverage
6 1 (7.69%) Electronic Trading
6 1 (7.69%) MVC
6 1 (7.69%) Pair Programming
6 1 (7.69%) Risk Management
6 1 (7.69%) UML
Programming Languages
1 10 (76.92%) Java
2 7 (53.85%) SQL
3 4 (30.77%) C#
4 2 (15.38%) JavaScript
5 1 (7.69%) Apple Swift
5 1 (7.69%) C++
5 1 (7.69%) Objective-C
Quality Assurance & Compliance
1 1 (7.69%) MiFID
System Software
1 1 (7.69%) GridGain
Vendors
1 5 (38.46%) Oracle
2 1 (7.69%) Solace