Period
to 22 September 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 22 September 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
22 Sep 2018
Same period 2017 Same period 2016
Rank 186 184 128
Rank change year-on-year -2 -56 +18
Contract jobs citing Performance Tuning 68 58 125
As % of all contract IT jobs advertised in the City of London 0.98% 0.86% 1.85%
As % of the Processes & Methodologies category 1.14% 0.96% 2.11%
Number of daily rates quoted 56 41 102
City of London median daily rate £468 £550 £450
Median daily rate % change year-on-year -14.91% +22.22% -
10th Percentile £388 £425 £295
90th Percentile £575 £638 £600
Central London median daily rate £468 £531 £450
% change year-on-year -11.91% +18.06% +4.35%
Number of hourly rates quoted 0 1 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 5,986 6,033 5,935
As % of all contract IT jobs advertised in the City of London 86.39% 88.96% 87.68%
Number of daily rates quoted 4,772 4,713 4,776
City of London median daily rate £500 £500 £475
Median daily rate % change year-on-year - +5.26% +2.70%
10th Percentile £330 £325 £313
90th Percentile £681 £675 £658
Central London median daily rate £500 £500 £475
% change year-on-year - +5.26% +5.56%
Number of hourly rates quoted 101 56 51
City of London median hourly rate £18.70 £19.35 £20.00
Median hourly rate % change year-on-year -3.36% -3.25% -4.76%
10th Percentile £13.00 £13.31 £11.25
90th Percentile £33.00 £31.13 £55.00
Central London median hourly rate £18.70 £18.70 £20.00
% change year-on-year - -6.50% -

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 22 September 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 22 September 2018, IT contractor jobs citing Performance Tuning 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 Performance Tuning.

1 26 (38.24%) Finance
2 24 (35.29%) SQL
2 24 (35.29%) SQL Server
3 23 (33.82%) Agile Software Development
4 18 (26.47%) Java
5 15 (22.06%) SQL Server Integration Services
6 14 (20.59%) Amazon AWS
7 13 (19.12%) Microsoft Azure
7 13 (19.12%) Business Intelligence
8 12 (17.65%) Python
9 11 (16.18%) Data Warehouse
10 10 (14.71%) Disaster Recovery
10 10 (14.71%) Microsoft
10 10 (14.71%) OOP
10 10 (14.71%) PL/SQL
10 10 (14.71%) Oracle
11 9 (13.24%) SQL Server Reporting Services
11 9 (13.24%) High Availability
11 9 (13.24%) Machine Learning
11 9 (13.24%) Algorithms
12 8 (11.76%) Analytics
12 8 (11.76%) Open Source
12 8 (11.76%) Banking
12 8 (11.76%) Perl
12 8 (11.76%) Unix
12 8 (11.76%) E-Commerce
12 8 (11.76%) ETL
13 7 (10.29%) OLTP
13 7 (10.29%) Front Office
13 7 (10.29%) Oracle Database

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 3 (4.41%) Apache Spark
1 3 (4.41%) SharePoint
2 2 (2.94%) Apache Solr
3 1 (1.47%) Apache
3 1 (1.47%) Elasticsearch
3 1 (1.47%) nginx
3 1 (1.47%) OpenStack
3 1 (1.47%) WebLogic
Applications
1 4 (5.88%) Microsoft Excel
2 3 (4.41%) MS Visio
3 1 (1.47%) Microsoft Office
3 1 (1.47%) Microsoft PowerPoint
3 1 (1.47%) Microsoft Project
Business Applications
1 1 (1.47%) Oracle Retail
Cloud Services
1 14 (20.59%) Amazon AWS
2 13 (19.12%) Microsoft Azure
3 2 (2.94%) Azure Active Directory
3 2 (2.94%) Azure Data Factory
3 2 (2.94%) Google Cloud Platform
3 2 (2.94%) IaaS
4 1 (1.47%) Amazon EC2
4 1 (1.47%) Office 365
4 1 (1.47%) PaaS
Communications & Networking
1 3 (4.41%) BGP
1 3 (4.41%) Firewall
1 3 (4.41%) Network Security
1 3 (4.41%) NGN
1 3 (4.41%) OSPF
2 2 (2.94%) DNS
2 2 (2.94%) Internet
2 2 (2.94%) SAN
3 1 (1.47%) DHCP
3 1 (1.47%) MPLS
3 1 (1.47%) NAS
3 1 (1.47%) NetScaler
3 1 (1.47%) Unified Communications
3 1 (1.47%) VPN
3 1 (1.47%) VSAN
Database & Business Intelligence
1 24 (35.29%) SQL Server
2 15 (22.06%) SQL Server Integration Services
3 11 (16.18%) Data Warehouse
4 9 (13.24%) SQL Server Reporting Services
5 7 (10.29%) OLTP
5 7 (10.29%) Oracle Database
5 7 (10.29%) Relational Database
6 6 (8.82%) MongoDB
6 6 (8.82%) SQL Server 2016
7 5 (7.35%) Apache Cassandra
7 5 (7.35%) NoSQL
7 5 (7.35%) Power BI
8 4 (5.88%) Big Data
9 3 (4.41%) Hadoop
9 3 (4.41%) OLAP
9 3 (4.41%) Oracle BI EE
9 3 (4.41%) Oracle Database 11g
9 3 (4.41%) SQL Server 2008
9 3 (4.41%) Star Schema
10 2 (2.94%) CouchDB
Development Applications
1 4 (5.88%) Git (software)
1 4 (5.88%) Jenkins
2 2 (2.94%) CircleCI
2 2 (2.94%) Gatling
2 2 (2.94%) JIRA
2 2 (2.94%) JMeter
2 2 (2.94%) JUnit
2 2 (2.94%) LoadRunner
2 2 (2.94%) NeoLoad
2 2 (2.94%) Subversion
2 2 (2.94%) Visual Studio
2 2 (2.94%) Visual Studio Team System
3 1 (1.47%) gulp
3 1 (1.47%) JDeveloper
3 1 (1.47%) MSTest
3 1 (1.47%) NUnit
3 1 (1.47%) Rhino Mocks
3 1 (1.47%) RSpec
3 1 (1.47%) Team Foundation Server
3 1 (1.47%) Vagrant
General
1 26 (38.24%) Finance
2 8 (11.76%) Banking
3 7 (10.29%) Front Office
4 2 (2.94%) Retail
5 1 (1.47%) Financial Institution
5 1 (1.47%) Games
Job Titles
1 36 (52.94%) Developer
2 13 (19.12%) Java Developer
3 11 (16.18%) DBA
4 9 (13.24%) Consultant
4 9 (13.24%) Senior Developer
5 8 (11.76%) AWS Developer
5 8 (11.76%) Machine Learning Developer
5 8 (11.76%) Oracle Developer
5 8 (11.76%) SQL DBA
6 5 (7.35%) Administrator
6 5 (7.35%) Data Consultant
6 5 (7.35%) Senior Oracle Developer
6 5 (7.35%) SQL Server DBA
7 4 (5.88%) Data Engineer
8 3 (4.41%) Front Office Developer
8 3 (4.41%) SQL Developer
8 3 (4.41%) SQL Server Consultant
9 2 (2.94%) .NET Developer
9 2 (2.94%) C# Developer
9 2 (2.94%) Network Engineer
Libraries, Frameworks & Software Standards
1 6 (8.82%) REST
2 5 (7.35%) RESTful
3 4 (5.88%) HTML
3 4 (5.88%) HTML5
3 4 (5.88%) WPF
4 3 (4.41%) .NET
4 3 (4.41%) Grails
4 3 (4.41%) Web Services
4 3 (4.41%) XML
5 2 (2.94%) .NET Framework
5 2 (2.94%) ASP.NET
5 2 (2.94%) Core Data
5 2 (2.94%) J2EE
5 2 (2.94%) JSON
5 2 (2.94%) Node.js
5 2 (2.94%) Ruby on Rails
5 2 (2.94%) SOAP
5 2 (2.94%) WCF
6 1 (1.47%) CSS
6 1 (1.47%) JDBC
Miscellaneous
1 9 (13.24%) Algorithms
2 6 (8.82%) Replication
3 5 (7.35%) Data Structures
4 4 (5.88%) Analytical Skills
5 3 (4.41%) Computer Science
5 3 (4.41%) Credit Risk
5 3 (4.41%) Data Centre
5 3 (4.41%) Equities
5 3 (4.41%) Management Information System
5 3 (4.41%) Mobile App
5 3 (4.41%) Private Cloud
6 2 (2.94%) Enterprise Software
6 2 (2.94%) Fixed Income
6 2 (2.94%) Foreign Exchange (FX)
6 2 (2.94%) Greenfield Project
6 2 (2.94%) Linux Command Line
7 1 (1.47%) Derivative
7 1 (1.47%) Grid Computing
7 1 (1.47%) Public Cloud
7 1 (1.47%) User Experience
Operating Systems
1 8 (11.76%) Unix
2 5 (7.35%) Linux
3 4 (5.88%) Red Hat Enterprise Linux
4 3 (4.41%) Windows
5 2 (2.94%) Apple iOS
6 1 (1.47%) CentOS
6 1 (1.47%) Oracle Linux
6 1 (1.47%) Solaris
6 1 (1.47%) Windows 10
Processes & Methodologies
1 23 (33.82%) Agile Software Development
2 13 (19.12%) Business Intelligence
3 10 (14.71%) Disaster Recovery
3 10 (14.71%) OOP
4 9 (13.24%) High Availability
4 9 (13.24%) Machine Learning
5 8 (11.76%) Analytics
5 8 (11.76%) E-Commerce
5 8 (11.76%) ETL
5 8 (11.76%) Open Source
6 7 (10.29%) Continuous Delivery
6 7 (10.29%) Data Engineering
7 6 (8.82%) Continuous Integration
7 6 (8.82%) Kimball Methodology
7 6 (8.82%) Microservices
7 6 (8.82%) Migration
7 6 (8.82%) Problem-Solving
7 6 (8.82%) System Testing
7 6 (8.82%) Test Automation
8 5 (7.35%) Stakeholder Management
Programming Languages
1 24 (35.29%) SQL
2 18 (26.47%) Java
3 12 (17.65%) Python
4 10 (14.71%) PL/SQL
5 8 (11.76%) Perl
6 6 (8.82%) C#
7 5 (7.35%) T-SQL
8 4 (5.88%) Ruby
9 3 (4.41%) Groovy
9 3 (4.41%) PowerShell
10 2 (2.94%) Apple Swift
10 2 (2.94%) Java 8
10 2 (2.94%) R
10 2 (2.94%) Scala
10 2 (2.94%) Shell Script
10 2 (2.94%) U-SQL
11 1 (1.47%) Bash Shell
11 1 (1.47%) Go
11 1 (1.47%) Objective-C
11 1 (1.47%) PHP
Qualifications
1 3 (4.41%) Check Point Certification
1 3 (4.41%) CISSP
1 3 (4.41%) ITIL Foundation Certificate
2 1 (1.47%) CCNP
2 1 (1.47%) Cisco Certification
2 1 (1.47%) Computer Science Degree
2 1 (1.47%) Degree
2 1 (1.47%) Security Cleared
2 1 (1.47%) VCP6
2 1 (1.47%) VMware Certified Professional (VCP)
Quality Assurance & Compliance
1 3 (4.41%) Data Quality
2 1 (1.47%) Solvency II
System Software
1 4 (5.88%) Docker
1 4 (5.88%) VMware Infrastructure
2 2 (2.94%) HDFS
2 2 (2.94%) Hyper-V
2 2 (2.94%) Oracle RAC
3 1 (1.47%) Active Directory
3 1 (1.47%) KVM
3 1 (1.47%) Microsoft App-V
3 1 (1.47%) Virtual Desktop
3 1 (1.47%) Virtual Machines
3 1 (1.47%) VMware ESXi
3 1 (1.47%) VMware NSX
3 1 (1.47%) vSphere
3 1 (1.47%) XenApp
3 1 (1.47%) XenDesktop
Systems Management
1 3 (4.41%) Kubernetes
2 2 (2.94%) Ansible
2 2 (2.94%) Prometheus
3 1 (1.47%) Cisco CUCM
3 1 (1.47%) Failover Clustering
3 1 (1.47%) Microsoft Clustering
3 1 (1.47%) Opscode Chef
3 1 (1.47%) SCCM
3 1 (1.47%) SCOM
3 1 (1.47%) SCOrch
3 1 (1.47%) Systems Management Server (SMS)
3 1 (1.47%) Terraform
3 1 (1.47%) vMotion
3 1 (1.47%) vRealize
Vendors
1 10 (14.71%) Microsoft
1 10 (14.71%) Oracle
2 4 (5.88%) VMware
3 3 (4.41%) CheckPoint
3 3 (4.41%) FireEye
3 3 (4.41%) Google
3 3 (4.41%) McAfee
3 3 (4.41%) Palo Alto
3 3 (4.41%) Red Hat
4 2 (2.94%) AppDynamics
4 2 (2.94%) Cisco
4 2 (2.94%) SOASTA, Inc
5 1 (1.47%) 3PAR
5 1 (1.47%) Brocade
5 1 (1.47%) Cloudera
5 1 (1.47%) Greenplum
5 1 (1.47%) HP
5 1 (1.47%) Ivanti
5 1 (1.47%) Tableau
5 1 (1.47%) Wyse