Period
to 20 November 2017

The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for Performance Tuning skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Performance Tuning over the 6 months to 20 November 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.

Performance Tuning
Central London > City of London
6 months to
20 Nov 2017
Same period 2016 Same period 2015
Rank 178 138 132
Rank change year-on-year -40 -6 -9
Contract jobs citing Performance Tuning 68 115 153
As % of all contract IT jobs advertised in the City of London 0.96% 1.74% 1.67%
As % of the Processes & Methodologies category 1.09% 1.99% 1.99%
Number of daily rates quoted 47 88 118
City of London median daily rate £525 £450 £438
Median daily rate % change year-on-year +16.67% +2.86% -10.26%
10th Percentile £420 £361 £314
90th Percentile £638 £604 £638
Central London median daily rate £500 £450 £450
% change year-on-year +11.11% - -5.26%
Number of hourly rates quoted 1 0 0
City of London median hourly rate £41.00 - -
Central London median hourly rate £41.00 - -

Performance Tuning is in the Processes and Methodologies 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 process or methodology skills.

All Process and Methodology Skills
City of London
Contract vacancies with a requirement for process or methodology skills 6257 5765 7677
As % of all contract IT jobs advertised in the City of London 88.28% 87.41% 83.98%
Number of daily rates quoted 4969 4616 6106
City of London median daily rate £513 £475 £465
Median daily rate % change year-on-year +7.89% +2.15% +3.33%
10th Percentile £325 £313 £288
90th Percentile £688 £664 £650
Central London median daily rate £500 £475 £455
% change year-on-year +5.26% +4.40% +1.11%
Number of hourly rates quoted 59 53 74
City of London median hourly rate £20.00 £20.00 £21.13
Median hourly rate % change year-on-year - -5.33% +11.18%
10th Percentile £13.34 £13.75 £10.91
90th Percentile £30.90 £54.03 £45.15
Central London median hourly rate £20.25 £19.46 £21.00
% change year-on-year +4.06% -7.33% +16.73%

Performance Tuning
Job Vacancy Trend in the City of London

Job postings citing Performance Tuning as a percentage of all IT jobs advertised in the City of London.

Job vacancy trend for Performance Tuning in the City of London

Performance Tuning
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 Performance Tuning in the City of London.

Contractor daily rate trend for Performance Tuning in the City of London

Performance Tuning
Contractor Daily Rate Histogram in the City of London

The daily rate distribution of IT jobs citing Performance Tuning in the City of London over the 6 months to 20 November 2017.

Contractor daily rate histogram for Performance Tuning in the City of London

Performance Tuning
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 Performance Tuning in the City of London.

Contractor hourly rate trend for Performance Tuning in the City of London

For the 6 months to 20 November 2017, IT contractor jobs citing Performance Tuning 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 Performance Tuning.

1 31 (45.59%) SQL
2 25 (36.76%) Agile Software Development
3 23 (33.82%) Finance
4 20 (29.41%) Java
5 17 (25.00%) SQL Server
6 14 (20.59%) Banking
7 13 (19.12%) Amazon AWS
7 13 (19.12%) Unix
7 13 (19.12%) Linux
8 12 (17.65%) Oracle
8 12 (17.65%) Business Intelligence
9 11 (16.18%) Python
10 10 (14.71%) T-SQL
10 10 (14.71%) SQL Server Integration Services
10 10 (14.71%) Analytical Skills
11 9 (13.24%) Big Data
11 9 (13.24%) Perl
11 9 (13.24%) Web Services
11 9 (13.24%) OO
11 9 (13.24%) Scrum
12 8 (11.76%) ETL
12 8 (11.76%) FIX Protocol
12 8 (11.76%) Continuous Integration
13 7 (10.29%) Multithreading
13 7 (10.29%) Scala
13 7 (10.29%) Fund Management
13 7 (10.29%) JSON
13 7 (10.29%) SQL Server Reporting Services
13 7 (10.29%) Subversion
13 7 (10.29%) C#

Performance Tuning
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 5 (7.35%) Apache
1 5 (7.35%) Apache Spark
2 3 (4.41%) Confluence
2 3 (4.41%) Elasticsearch
3 2 (2.94%) SAS
3 2 (2.94%) SharePoint
4 1 (1.47%) Apache Solr
4 1 (1.47%) CICS
4 1 (1.47%) SharePoint 2010
4 1 (1.47%) Tomcat
Applications
1 1 (1.47%) Microsoft Excel
1 1 (1.47%) Microsoft Office
1 1 (1.47%) Spreadsheet
Business Applications
1 7 (10.29%) Markit EDM
2 1 (1.47%) SAP Oil and Gas
2 1 (1.47%) SAP PM
2 1 (1.47%) Sentinel
Cloud Services
1 13 (19.12%) Amazon AWS
2 5 (7.35%) GitHub
3 3 (4.41%) Microsoft Azure
4 2 (2.94%) Cloud Computing
4 2 (2.94%) PaaS
4 2 (2.94%) SaaS
5 1 (1.47%) Amazon SQS
5 1 (1.47%) BlazeMeter
5 1 (1.47%) Google Cloud Platform
Communications & Networking
1 4 (5.88%) Firewall
1 4 (5.88%) SAN
2 3 (4.41%) NAS
3 2 (2.94%) Network Security
4 1 (1.47%) BGP
4 1 (1.47%) Cisco ASA
4 1 (1.47%) Cisco Nexus
4 1 (1.47%) HTTP
4 1 (1.47%) Kerberos
4 1 (1.47%) LDAP
4 1 (1.47%) NetScaler
4 1 (1.47%) NetScreen
4 1 (1.47%) snoop
4 1 (1.47%) SSL
4 1 (1.47%) VPN
4 1 (1.47%) Wireless
Database & Business Intelligence
1 17 (25.00%) SQL Server
2 10 (14.71%) SQL Server Integration Services
3 9 (13.24%) Big Data
4 7 (10.29%) SQL Server Reporting Services
5 6 (8.82%) MongoDB
5 6 (8.82%) MySQL
6 5 (7.35%) Data Warehouse
6 5 (7.35%) Relational Database
7 4 (5.88%) SQL Server Analysis Services
8 3 (4.41%) Apache Cassandra
8 3 (4.41%) NoSQL
8 3 (4.41%) SQL Server 2008
8 3 (4.41%) SQL Server 2012
9 2 (2.94%) CouchDB
9 2 (2.94%) Hadoop
9 2 (2.94%) KDB
9 2 (2.94%) Power BI
9 2 (2.94%) SQL Server 2005
9 2 (2.94%) Sqoop
10 1 (1.47%) Sybase ASE
Development Applications
1 7 (10.29%) Subversion
2 6 (8.82%) Jenkins
3 5 (7.35%) JIRA
4 4 (5.88%) Bitbucket
5 2 (2.94%) Git (software)
5 2 (2.94%) Maven
6 1 (1.47%) Ant
6 1 (1.47%) Atlassian Bamboo
6 1 (1.47%) Build Forge
6 1 (1.47%) Fiddler
6 1 (1.47%) JMeter
6 1 (1.47%) LINQPad
6 1 (1.47%) LoadRunner
6 1 (1.47%) LoadUI
6 1 (1.47%) Log4j
6 1 (1.47%) ReSharper
6 1 (1.47%) Selenium
6 1 (1.47%) Team Foundation Server
6 1 (1.47%) WebPagetest
6 1 (1.47%) YourKit
General
1 23 (33.82%) Finance
2 14 (20.59%) Banking
3 5 (7.35%) Investment Banking
4 4 (5.88%) Front Office
5 2 (2.94%) Legal
6 1 (1.47%) Back Office
6 1 (1.47%) Billing
6 1 (1.47%) Financial Institution
6 1 (1.47%) Law
6 1 (1.47%) Publishing
6 1 (1.47%) Retail Banking
6 1 (1.47%) Wholesale Banking
Job Titles
1 37 (54.41%) Developer
2 8 (11.76%) DBA
2 8 (11.76%) Java Developer
2 8 (11.76%) SQL DBA
3 7 (10.29%) Administrator
4 5 (7.35%) SQL Developer
4 5 (7.35%) Systems Administrator
5 4 (5.88%) C# Developer
5 4 (5.88%) SQL Server DBA
5 4 (5.88%) SSIS Developer
6 3 (4.41%) Business Intelligence Developer
6 3 (4.41%) Linux Administrator
6 3 (4.41%) Linux Systems Administrator
6 3 (4.41%) Senior Developer
6 3 (4.41%) Unix Administrator
6 3 (4.41%) Unix Linux Systems Administrator
6 3 (4.41%) Unix Systems Administrator
7 2 (2.94%) ETL Developer
7 2 (2.94%) Senior Java Developer
7 2 (2.94%) Technical Leader
Libraries, Frameworks & Software Standards
1 9 (13.24%) Web Services
2 8 (11.76%) FIX Protocol
3 7 (10.29%) JSON
4 6 (8.82%) REST
5 5 (7.35%) AngularJS
5 5 (7.35%) HTML
5 5 (7.35%) Spring
6 4 (5.88%) .NET
6 4 (5.88%) Ajax
6 4 (5.88%) Apache Camel
6 4 (5.88%) Hibernate
6 4 (5.88%) HTML5
6 4 (5.88%) jQuery
6 4 (5.88%) Middleware
6 4 (5.88%) RESTful
7 3 (4.41%) GWT
7 3 (4.41%) JSF
7 3 (4.41%) OSGi
7 3 (4.41%) XML
8 2 (2.94%) XSD
Miscellaneous
1 10 (14.71%) Analytical Skills
2 7 (10.29%) Clustering
2 7 (10.29%) Enterprise Software
3 6 (8.82%) Fixed Income
4 5 (7.35%) Computer Science
4 5 (7.35%) Derivative
4 5 (7.35%) Foreign Exchange (FX)
5 3 (4.41%) Equities
5 3 (4.41%) Replication
6 2 (2.94%) Linked Data
6 2 (2.94%) Management Information System
6 2 (2.94%) Semantic Web
6 2 (2.94%) User Experience
7 1 (1.47%) Algorithms
7 1 (1.47%) Credit Risk
7 1 (1.47%) Data Centre
7 1 (1.47%) Data Structures
7 1 (1.47%) Greenfield Project
7 1 (1.47%) Reference Data
7 1 (1.47%) Virtual Team
Operating Systems
1 13 (19.12%) Linux
1 13 (19.12%) Unix
2 6 (8.82%) Red Hat Enterprise Linux
2 6 (8.82%) Windows
3 3 (4.41%) Solaris
4 2 (2.94%) Android
5 1 (1.47%) Windows Server
5 1 (1.47%) Windows Server 2003
5 1 (1.47%) Windows Server 2008
5 1 (1.47%) Windows Server 2012
Processes & Methodologies
1 25 (36.76%) Agile Software Development
2 12 (17.65%) Business Intelligence
3 9 (13.24%) OO
3 9 (13.24%) Scrum
4 8 (11.76%) Continuous Integration
4 8 (11.76%) ETL
5 7 (10.29%) Fund Management
5 7 (10.29%) Low Latency
5 7 (10.29%) Multithreading
6 6 (8.82%) Data Modelling
6 6 (8.82%) Integration Testing
6 6 (8.82%) Open Source
6 6 (8.82%) SDLC
7 5 (7.35%) DevOps
7 5 (7.35%) E-Commerce
7 5 (7.35%) Mentoring
7 5 (7.35%) Microservices
7 5 (7.35%) Migration
7 5 (7.35%) Problem Management
7 5 (7.35%) Unit Testing
Programming Languages
1 31 (45.59%) SQL
2 20 (29.41%) Java
3 11 (16.18%) Python
4 10 (14.71%) T-SQL
5 9 (13.24%) Perl
6 7 (10.29%) C#
6 7 (10.29%) Scala
7 6 (8.82%) Shell Script
8 5 (7.35%) JavaScript
9 4 (5.88%) Bash Shell
9 4 (5.88%) PowerShell
10 3 (4.41%) C++
10 3 (4.41%) SPARQL
10 3 (4.41%) Tcl
11 2 (2.94%) ABAP
11 2 (2.94%) R
12 1 (1.47%) Objective-C
12 1 (1.47%) PHP
12 1 (1.47%) PL/SQL
12 1 (1.47%) VBA
Qualifications
1 4 (5.88%) Computer Science Degree
1 4 (5.88%) Degree
2 2 (2.94%) CCNP
2 2 (2.94%) Cisco Certification
2 2 (2.94%) SC Cleared
2 2 (2.94%) Security Cleared
3 1 (1.47%) CCIE
3 1 (1.47%) CFA
3 1 (1.47%) ITIL Certification
3 1 (1.47%) VCP6
3 1 (1.47%) VMware Certified Professional (VCP)
Quality Assurance & Compliance
1 5 (7.35%) QA
2 1 (1.47%) MiFID
2 1 (1.47%) SLA
System Software
1 6 (8.82%) VMware ESXi
2 3 (4.41%) Hyper-V
2 3 (4.41%) KVM
2 3 (4.41%) VMware Infrastructure
3 2 (2.94%) Docker
Systems Management
1 3 (4.41%) vMotion
1 3 (4.41%) vRealize
2 2 (2.94%) Hadoop YARN
2 2 (2.94%) Oozie
2 2 (2.94%) Rundeck
3 1 (1.47%) Ansible
3 1 (1.47%) Grafana
3 1 (1.47%) Graphite
3 1 (1.47%) HP SiteScope
3 1 (1.47%) Kubernetes
3 1 (1.47%) Microsoft Clustering
3 1 (1.47%) Nagios
3 1 (1.47%) Opscode Chef
3 1 (1.47%) Terraform
3 1 (1.47%) ZABBIX
Vendors
1 12 (17.65%) Oracle
2 6 (8.82%) VMware
3 5 (7.35%) Sybase
4 4 (5.88%) Cisco
4 4 (5.88%) Microsoft
4 4 (5.88%) Red Hat
5 3 (4.41%) Atlassian
5 3 (4.41%) Fidessa
5 3 (4.41%) HP
5 3 (4.41%) Veritas
6 2 (2.94%) Infragistics
6 2 (2.94%) InterSystems
6 2 (2.94%) Salesforce.com
6 2 (2.94%) SAP
6 2 (2.94%) Tableau
6 2 (2.94%) TIBCO
6 2 (2.94%) Vertica
7 1 (1.47%) RedGate
7 1 (1.47%) Splunk
7 1 (1.47%) Syclo