Period
to 17 January 2019

The table below looks at the prevalence of the term Client/Server 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 Client/Server over the 6 months to 17 January 2019 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.

Client Server
Central London > City of London
6 months to
17 Jan 2019
Same period 2018 Same period 2017
Rank 225 236 219
Rank change year-on-year +11 -17 +6
Contract jobs citing Client/Server 28 14 15
As % of all contract IT jobs advertised in the City of London 0.41% 0.20% 0.24%
As % of the Miscellaneous category 0.99% 0.47% 0.60%
Number of daily rates quoted 19 13 15
City of London median daily rate £600 £475 £475
Median daily rate % change year-on-year +26.32% - +8.57%
10th Percentile £390 £373 £283
90th Percentile £643 £598 £613
Central London median daily rate £575 £475 £450
% change year-on-year +21.05% +5.56% +2.86%
Number of hourly rates quoted 0 0 0
City of London median hourly rate - - -
Central London median hourly rate - - -

Client/Server is in the Generic IT Skills category. The following 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.

All Generic IT Skills
City of London
Contract vacancies with a requirement for generic IT skills 2,815 2,973 2,507
As % of all contract IT jobs advertised in the City of London 41.38% 42.10% 40.07%
Number of daily rates quoted 2,139 2,338 1,916
City of London median daily rate £525 £525 £480
Median daily rate % change year-on-year - +9.38% +1.05%
10th Percentile £288 £322 £313
90th Percentile £700 £715 £675
Central London median daily rate £525 £525 £475
% change year-on-year - +10.53% -
Number of hourly rates quoted 56 37 28
City of London median hourly rate £18.70 £27.50 £19.00
Median hourly rate % change year-on-year -32.00% +44.74% -3.77%
10th Percentile £13.16 £15.23 £13.14
90th Percentile £35.05 £46.90 £55.00
Central London median hourly rate £19.25 £27.09 £18.73
% change year-on-year -28.94% +44.67% -5.17%

Client/Server
Job Vacancy Trend in the City of London

Job postings citing Client/Server as a percentage of all IT jobs advertised in the City of London.

Job vacancy trend for Client/Server in the City of London

Client/Server
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 Client/Server in the City of London.

Contractor daily rate trend for Client/Server in the City of London

Client/Server
Contractor Daily Rate Histogram in the City of London

The daily rate distribution of IT jobs citing Client/Server in the City of London over the 6 months to 17 January 2019.

Contractor daily rate histogram for Client/Server in the City of London

Client/Server
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 Client/Server in the City of London.

Contractor hourly rate trend for Client/Server in the City of London

For the 6 months to 17 January 2019, IT contractor jobs citing Client/Server also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the City of London region with a requirement for Client/Server.

1 22 (78.57%) Finance
2 21 (75.00%) SQL
2 21 (75.00%) Linux
2 21 (75.00%) Python
3 18 (64.29%) OO
4 16 (57.14%) C++
4 16 (57.14%) OOD
4 16 (57.14%) Hedge funds
4 16 (57.14%) NumPy
4 16 (57.14%) Cython
4 16 (57.14%) Flask
4 16 (57.14%) Pandas
4 16 (57.14%) Data Structures
4 16 (57.14%) Algorithms
4 16 (57.14%) IPython
4 16 (57.14%) Automated Trading
4 16 (57.14%) Backtesting
5 7 (25.00%) Java
6 3 (10.71%) JavaScript
6 3 (10.71%) Oracle
6 3 (10.71%) SQL Server
6 3 (10.71%) Unix
6 3 (10.71%) Kafka
6 3 (10.71%) Jenkins
6 3 (10.71%) Docker
6 3 (10.71%) Puppet
6 3 (10.71%) Agile Software Development
6 3 (10.71%) DevOps
7 2 (7.14%) Demand Forecasting
7 2 (7.14%) Kubernetes

Client/Server
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 16 (57.14%) IPython
2 2 (7.14%) Elasticsearch
2 2 (7.14%) WebSphere
3 1 (3.57%) IBM HTTP Server
3 1 (3.57%) Oracle SOA Suite
3 1 (3.57%) WebSphere Application Server
3 1 (3.57%) WebSphere Portal
Business Applications
1 1 (3.57%) SAP Oil and Gas
Cloud Services
1 2 (7.14%) Amazon AWS
2 1 (3.57%) GitHub
2 1 (3.57%) IaaS
2 1 (3.57%) Microsoft Azure
2 1 (3.57%) npm
2 1 (3.57%) PaaS
2 1 (3.57%) SaaS
Communications & Networking
1 2 (7.14%) Firewall
1 2 (7.14%) HTTP
2 1 (3.57%) AMQP
2 1 (3.57%) DNS
2 1 (3.57%) SAN
2 1 (3.57%) WAN
2 1 (3.57%) Wireless
Database & Business Intelligence
1 3 (10.71%) SQL Server
2 2 (7.14%) DB2
2 2 (7.14%) PostgreSQL
2 2 (7.14%) RDBMS
2 2 (7.14%) Relational Database
3 1 (3.57%) MS Access
Development Applications
1 3 (10.71%) Jenkins
2 2 (7.14%) JIRA
3 1 (3.57%) Atlassian Bamboo
3 1 (3.57%) Bitbucket
3 1 (3.57%) Git (software)
3 1 (3.57%) TeamCity
General
1 22 (78.57%) Finance
2 2 (7.14%) Banking
3 1 (3.57%) Games
3 1 (3.57%) Investment Banking
3 1 (3.57%) Law
3 1 (3.57%) Telecoms
Job Titles
1 19 (67.86%) Developer
2 16 (57.14%) Python Developer
2 16 (57.14%) Quantitative Developer
3 3 (10.71%) DevOps Engineer
4 2 (7.14%) Pega Developer
5 1 (3.57%) Agile Coach
5 1 (3.57%) Analyst
5 1 (3.57%) Automation Tester
5 1 (3.57%) Consultant
5 1 (3.57%) E-Commerce Engineer
5 1 (3.57%) Head of Infrastructure
5 1 (3.57%) Infrastructure Manager
5 1 (3.57%) Junior DevOps
5 1 (3.57%) Junior DevOps Engineer
5 1 (3.57%) Junior Software Engineer
5 1 (3.57%) Network Infrastructure Manager
5 1 (3.57%) Network Manager
5 1 (3.57%) Technical Analyst
5 1 (3.57%) Test Consultant
5 1 (3.57%) Tester
Libraries, Frameworks & Software Standards
1 16 (57.14%) Flask
1 16 (57.14%) NumPy
1 16 (57.14%) Pandas
2 3 (10.71%) Kafka
3 2 (7.14%) CSS
3 2 (7.14%) HTML
3 2 (7.14%) JSP
3 2 (7.14%) REST
3 2 (7.14%) Servlets
3 2 (7.14%) XML
4 1 (3.57%) .NET
4 1 (3.57%) ASP.NET
4 1 (3.57%) GraphQL
4 1 (3.57%) JSON
4 1 (3.57%) Middleware
4 1 (3.57%) Node.js
4 1 (3.57%) RabbitMQ
4 1 (3.57%) RESTful
4 1 (3.57%) Unity (Game Engine)
4 1 (3.57%) Unity DI Container
Miscellaneous
1 16 (57.14%) Algorithms
1 16 (57.14%) Data Structures
1 16 (57.14%) Hedge funds
2 2 (7.14%) N-Tier
2 2 (7.14%) User Experience
3 1 (3.57%) Analytical Skills
3 1 (3.57%) BBC
3 1 (3.57%) Data Centre
3 1 (3.57%) Derivative
3 1 (3.57%) Enterprise Storage
3 1 (3.57%) Fixed Income
3 1 (3.57%) Mobile Games
Operating Systems
1 21 (75.00%) Linux
2 3 (10.71%) Unix
3 1 (3.57%) Android
3 1 (3.57%) Apple iOS
3 1 (3.57%) Mac OS
3 1 (3.57%) Red Hat Enterprise Linux
3 1 (3.57%) Solaris
Processes & Methodologies
1 18 (64.29%) OO
2 16 (57.14%) Automated Trading
2 16 (57.14%) Backtesting
2 16 (57.14%) OOD
3 3 (10.71%) Agile Software Development
3 3 (10.71%) DevOps
4 2 (7.14%) Build Automation
4 2 (7.14%) Capacity Planning
4 2 (7.14%) Configuration Management
4 2 (7.14%) Demand Forecasting
4 2 (7.14%) OOP
4 2 (7.14%) Open Source
4 2 (7.14%) Performance Analysis
4 2 (7.14%) SDLC
4 2 (7.14%) TDD
4 2 (7.14%) User Acceptance Testing
5 1 (3.57%) Identity Management
5 1 (3.57%) Regression Testing
5 1 (3.57%) Scrum
5 1 (3.57%) Stakeholder Management
Programming Languages
1 21 (75.00%) Python
1 21 (75.00%) SQL
2 16 (57.14%) C++
2 16 (57.14%) Cython
3 7 (25.00%) Java
4 3 (10.71%) JavaScript
5 2 (7.14%) C#
6 1 (3.57%) Ruby
6 1 (3.57%) VB
6 1 (3.57%) VBScript
Qualifications
1 2 (7.14%) Degree
System Software
1 3 (10.71%) Docker
2 1 (3.57%) VMware Infrastructure
Systems Management
1 3 (10.71%) Puppet
2 2 (7.14%) Consul
2 2 (7.14%) Kubernetes
2 2 (7.14%) Terraform
3 1 (3.57%) Control-M
3 1 (3.57%) HP ALM
3 1 (3.57%) Opscode Chef
Vendors
1 3 (10.71%) Oracle
2 2 (7.14%) Microsoft
2 2 (7.14%) Pega
2 2 (7.14%) Sybase
3 1 (3.57%) Charles River
3 1 (3.57%) Cisco
3 1 (3.57%) Citrix
3 1 (3.57%) EMC
3 1 (3.57%) HP
3 1 (3.57%) IBM
3 1 (3.57%) Juniper
3 1 (3.57%) Red Hat
3 1 (3.57%) SAP
3 1 (3.57%) VMware