Period
to 17 January 2018

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 17 January 2018 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
17 Jan 2018
Same period 2017 Same period 2016
Rank 186 135 132
Rank change year-on-year -51 -3 -11
Contract jobs citing Performance Tuning 60 101 113
As % of all contract IT jobs advertised in the City of London 0.85% 1.61% 1.60%
As % of the Processes & Methodologies category 0.97% 1.84% 1.87%
Number of daily rates quoted 45 80 86
City of London median daily rate £500 £450 £416
Median daily rate % change year-on-year +11.11% +8.11% -14.62%
10th Percentile £396 £362 £299
90th Percentile £638 £628 £631
Central London median daily rate £475 £450 £420
% change year-on-year +5.56% +7.14% -11.58%
Number of hourly rates quoted 0 0 0
City of London median hourly rate - - -
Central London median hourly rate - - -

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 6,214 5,495 6,047
As % of all contract IT jobs advertised in the City of London 87.99% 87.82% 85.49%
Number of daily rates quoted 4,955 4,373 4,811
City of London median daily rate £505 £475 £475
Median daily rate % change year-on-year +6.32% - +5.56%
10th Percentile £332 £313 £288
90th Percentile £688 £668 £650
Central London median daily rate £500 £475 £463
% change year-on-year +5.26% +2.70% +2.78%
Number of hourly rates quoted 61 50 56
City of London median hourly rate £18.70 £21.13 £21.68
Median hourly rate % change year-on-year -11.48% -2.57% +17.22%
10th Percentile £11.81 £13.73 £12.50
90th Percentile £31.50 £55.00 £52.75
Central London median hourly rate £20.25 £19.00 £21.43
% change year-on-year +6.58% -11.35% +19.97%

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 17 January 2018.

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 17 January 2018, 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 32 (53.33%) SQL
2 22 (36.67%) SQL Server
3 20 (33.33%) Finance
4 17 (28.33%) Agile Software Development
5 16 (26.67%) SQL Server Integration Services
6 15 (25.00%) Business Intelligence
7 13 (21.67%) ETL
7 13 (21.67%) Analytical Skills
8 12 (20.00%) Java
9 11 (18.33%) Linux
9 11 (18.33%) Data Modelling
9 11 (18.33%) SQL Server Reporting Services
10 10 (16.67%) Python
11 9 (15.00%) Unix
11 9 (15.00%) Microsoft
11 9 (15.00%) Migration
12 8 (13.33%) T-SQL
12 8 (13.33%) Oracle
12 8 (13.33%) Amazon AWS
13 7 (11.67%) Perl
13 7 (11.67%) C#
13 7 (11.67%) Big Data
14 6 (10.00%) Markit EDM
14 6 (10.00%) Web Services
14 6 (10.00%) OO
14 6 (10.00%) Data Warehouse
14 6 (10.00%) Subversion
14 6 (10.00%) Data Migration
14 6 (10.00%) JSON
14 6 (10.00%) FIX Protocol

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 (8.33%) SharePoint
2 4 (6.67%) Apache Spark
3 3 (5.00%) Elasticsearch
4 2 (3.33%) SAS
5 1 (1.67%) Apache
5 1 (1.67%) CICS
5 1 (1.67%) Confluence
5 1 (1.67%) Exchange Server 2003
5 1 (1.67%) Exchange Server 2007
5 1 (1.67%) Exchange Server 2010
5 1 (1.67%) GemFire
5 1 (1.67%) MS Exchange
5 1 (1.67%) SharePoint 2010
5 1 (1.67%) Skype for Business
5 1 (1.67%) WebSphere
5 1 (1.67%) WebSphere Application Server
Applications
1 1 (1.67%) Microsoft Excel
1 1 (1.67%) Microsoft Office
1 1 (1.67%) Spreadsheet
Business Applications
1 6 (10.00%) Markit EDM
Cloud Services
1 8 (13.33%) Amazon AWS
2 4 (6.67%) Microsoft Azure
3 3 (5.00%) GitHub
4 2 (3.33%) Amazon SQS
4 2 (3.33%) Cloud Computing
4 2 (3.33%) PaaS
4 2 (3.33%) SaaS
Communications & Networking
1 2 (3.33%) Firewall
1 2 (3.33%) SAN
1 2 (3.33%) snoop
2 1 (1.67%) DHCP
2 1 (1.67%) DNS
2 1 (1.67%) iSCSI
2 1 (1.67%) Kerberos
2 1 (1.67%) LDAP
2 1 (1.67%) Network Security
2 1 (1.67%) SMS
2 1 (1.67%) SSH
2 1 (1.67%) TCP/IP
Database & Business Intelligence
1 22 (36.67%) SQL Server
2 16 (26.67%) SQL Server Integration Services
3 11 (18.33%) SQL Server Reporting Services
4 7 (11.67%) Big Data
5 6 (10.00%) Data Warehouse
5 6 (10.00%) SQL Server Analysis Services
6 5 (8.33%) MySQL
6 5 (8.33%) SQL Server 2008
6 5 (8.33%) SQL Server 2012
7 4 (6.67%) MongoDB
7 4 (6.67%) Relational Database
8 3 (5.00%) Power BI
8 3 (5.00%) SQL Server 2005
8 3 (5.00%) SQL Server 2016
9 2 (3.33%) Apache Cassandra
9 2 (3.33%) InterSystems Cache
9 2 (3.33%) PowerPivot
9 2 (3.33%) Qlik Sense
9 2 (3.33%) SQL Server 2014
9 2 (3.33%) Sqoop
Development Applications
1 6 (10.00%) Subversion
2 5 (8.33%) Jenkins
3 2 (3.33%) CircleCI
3 2 (3.33%) LINQPad
3 2 (3.33%) Maven
3 2 (3.33%) ReSharper
3 2 (3.33%) Selenium
4 1 (1.67%) Ant
4 1 (1.67%) Appium
4 1 (1.67%) Bitbucket
4 1 (1.67%) Build Forge
4 1 (1.67%) Cucumber
4 1 (1.67%) ERwin
4 1 (1.67%) Git (software)
4 1 (1.67%) JIRA
4 1 (1.67%) JMeter
4 1 (1.67%) Mockito
4 1 (1.67%) Octopus Deploy
4 1 (1.67%) Selendroid
4 1 (1.67%) Visual Studio Team System
General
1 20 (33.33%) Finance
2 5 (8.33%) Banking
3 4 (6.67%) Front Office
4 3 (5.00%) Investment Banking
5 2 (3.33%) Legal
6 1 (1.67%) Back Office
6 1 (1.67%) Financial Institution
6 1 (1.67%) French Language
6 1 (1.67%) Law
6 1 (1.67%) Spanish Language
6 1 (1.67%) Wholesale Banking
Job Titles
1 34 (56.67%) Developer
2 10 (16.67%) DBA
2 10 (16.67%) SQL DBA
3 6 (10.00%) Administrator
3 6 (10.00%) SQL Server DBA
4 5 (8.33%) SQL Developer
4 5 (8.33%) SSIS Developer
5 4 (6.67%) Business Intelligence Developer
5 4 (6.67%) C# Developer
5 4 (6.67%) Java Developer
6 3 (5.00%) Data Migration Developer
6 3 (5.00%) ETL Developer
6 3 (5.00%) Senior Developer
6 3 (5.00%) Senior Java Developer
6 3 (5.00%) Systems Administrator
7 2 (3.33%) AWS Engineer
7 2 (3.33%) C# WPF Developer
7 2 (3.33%) Data Engineer
7 2 (3.33%) Power BI Developer
7 2 (3.33%) SQL BI Developer
Libraries, Frameworks & Software Standards
1 6 (10.00%) FIX Protocol
1 6 (10.00%) JSON
1 6 (10.00%) Web Services
2 5 (8.33%) .NET
2 5 (8.33%) XML
3 4 (6.67%) REST
4 3 (5.00%) .NET Framework
4 3 (5.00%) HTML
4 3 (5.00%) HTML5
4 3 (5.00%) jQuery
4 3 (5.00%) RESTful
4 3 (5.00%) Spring
5 2 (3.33%) CSS
5 2 (3.33%) Hibernate
5 2 (3.33%) MDX
5 2 (3.33%) TIBCO EMS
5 2 (3.33%) Velocity
5 2 (3.33%) WCF
5 2 (3.33%) WPF
5 2 (3.33%) XSD
Miscellaneous
1 13 (21.67%) Analytical Skills
2 6 (10.00%) Computer Science
3 4 (6.67%) Derivative
3 4 (6.67%) Enterprise Software
3 4 (6.67%) Replication
4 3 (5.00%) Foreign Exchange (FX)
5 2 (3.33%) Algorithms
5 2 (3.33%) Clustering
5 2 (3.33%) Data Structures
5 2 (3.33%) Equities
5 2 (3.33%) Linked Data
5 2 (3.33%) Management Information System
5 2 (3.33%) Semantic Web
5 2 (3.33%) User Experience
6 1 (1.67%) Credit Risk
6 1 (1.67%) Greenfield Project
6 1 (1.67%) Hedge funds
6 1 (1.67%) Hybrid Cloud
6 1 (1.67%) Market Risk
6 1 (1.67%) Virtual Team
Operating Systems
1 11 (18.33%) Linux
2 9 (15.00%) Unix
3 5 (8.33%) Red Hat Enterprise Linux
3 5 (8.33%) Windows
4 3 (5.00%) Android
4 3 (5.00%) Solaris
5 2 (3.33%) Windows Server
6 1 (1.67%) VMS
6 1 (1.67%) Windows Server 2003
6 1 (1.67%) Windows Server 2008
6 1 (1.67%) Windows Server 2012
Processes & Methodologies
1 17 (28.33%) Agile Software Development
2 15 (25.00%) Business Intelligence
3 13 (21.67%) ETL
4 11 (18.33%) Data Modelling
5 9 (15.00%) Migration
6 6 (10.00%) Data Migration
6 6 (10.00%) Fund Management
6 6 (10.00%) OO
7 5 (8.33%) Capacity Planning
7 5 (8.33%) Continuous Integration
7 5 (8.33%) Integration Testing
7 5 (8.33%) Low Latency
7 5 (8.33%) Multithreading
7 5 (8.33%) Open Source
7 5 (8.33%) Scrum
8 4 (6.67%) DevOps
8 4 (6.67%) High Availability
8 4 (6.67%) Kimball Methodology
8 4 (6.67%) Mentoring
8 4 (6.67%) Microservices
Programming Languages
1 32 (53.33%) SQL
2 12 (20.00%) Java
3 10 (16.67%) Python
4 8 (13.33%) T-SQL
5 7 (11.67%) C#
5 7 (11.67%) Perl
6 5 (8.33%) PowerShell
6 5 (8.33%) Shell Script
7 3 (5.00%) C++
7 3 (5.00%) JavaScript
7 3 (5.00%) Scala
7 3 (5.00%) Tcl
8 2 (3.33%) Bash Shell
8 2 (3.33%) R
8 2 (3.33%) SPARQL
9 1 (1.67%) Korn
9 1 (1.67%) Ruby
9 1 (1.67%) VBA
Qualifications
1 4 (6.67%) Degree
2 3 (5.00%) Computer Science Degree
3 2 (3.33%) SC Cleared
3 2 (3.33%) Security Cleared
4 1 (1.67%) CCNP
4 1 (1.67%) Cisco Certification
4 1 (1.67%) VCP6
4 1 (1.67%) VMware Certified Professional (VCP)
Quality Assurance & Compliance
1 2 (3.33%) QA
2 1 (1.67%) Data Quality
System Software
1 5 (8.33%) VMware ESXi
2 4 (6.67%) Hyper-V
3 3 (5.00%) Docker
3 3 (5.00%) KVM
3 3 (5.00%) VMware Infrastructure
4 1 (1.67%) Active Directory
Systems Management
1 3 (5.00%) Opscode Chef
1 3 (5.00%) vMotion
1 3 (5.00%) vRealize
2 2 (3.33%) Ansible
2 2 (3.33%) Hadoop YARN
2 2 (3.33%) Oozie
2 2 (3.33%) Puppet
2 2 (3.33%) Rundeck
2 2 (3.33%) Terraform
3 1 (1.67%) Kubernetes
3 1 (1.67%) Red Hat Satellite
Vendors
1 9 (15.00%) Microsoft
2 8 (13.33%) Oracle
3 5 (8.33%) Sybase
3 5 (8.33%) VMware
4 4 (6.67%) Cisco
5 3 (5.00%) Fidessa
5 3 (5.00%) Red Hat
6 2 (3.33%) DevExpress
6 2 (3.33%) HP
6 2 (3.33%) Infragistics
6 2 (3.33%) InterSystems
6 2 (3.33%) RedGate
6 2 (3.33%) Salesforce.com
6 2 (3.33%) Syncfusion
6 2 (3.33%) Telerik
6 2 (3.33%) TIBCO
6 2 (3.33%) Vertica
7 1 (1.67%) MapR
7 1 (1.67%) Tableau
7 1 (1.67%) Talend