Period
to 21 July 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 21 July 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
21 Jul 2018
Same period 2017 Same period 2016
Rank 175 166 133
Rank change year-on-year -9 -33 +27
Contract jobs citing Performance Tuning 85 75 120
As % of all contract IT jobs advertised in the City of London 1.20% 1.15% 1.76%
As % of the Processes & Methodologies category 1.38% 1.31% 2.01%
Number of daily rates quoted 66 57 94
City of London median daily rate £468 £525 £450
Median daily rate % change year-on-year -10.86% +16.67% -
10th Percentile £368 £313 £269
90th Percentile £575 £638 £600
Central London median daily rate £468 £525 £450
% change year-on-year -10.86% +16.67% -
Number of hourly rates quoted 1 1 0
City of London median hourly rate £55.00 £41.00 -
Median hourly rate % change year-on-year +34.15% - -
Central London median hourly rate £55.00 £41.00 -
% change year-on-year +34.15% - -

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 6,171 5,716 5,982
As % of all contract IT jobs advertised in the City of London 86.89% 87.94% 87.51%
Number of daily rates quoted 4,879 4,411 4,821
City of London median daily rate £513 £500 £475
Median daily rate % change year-on-year +2.50% +5.26% +5.56%
10th Percentile £338 £314 £310
90th Percentile £688 £675 £650
Central London median daily rate £500 £500 £475
% change year-on-year - +5.26% +5.56%
Number of hourly rates quoted 111 56 56
City of London median hourly rate £18.70 £20.52 £19.99
Median hourly rate % change year-on-year -8.87% +2.64% -4.80%
10th Percentile £13.00 £13.31 £11.38
90th Percentile £33.00 £32.06 £37.91
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 21 July 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 21 July 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 38 (44.71%) SQL
2 29 (34.12%) Agile Software Development
3 25 (29.41%) SQL Server
4 24 (28.24%) Finance
5 23 (27.06%) Java
6 22 (25.88%) Amazon AWS
7 21 (24.71%) Microsoft Azure
8 20 (23.53%) Data Warehouse
9 18 (21.18%) Python
10 17 (20.00%) SQL Server Integration Services
11 16 (18.82%) PL/SQL
12 15 (17.65%) Business Intelligence
12 15 (17.65%) Problem-Solving
13 14 (16.47%) Machine Learning
13 14 (16.47%) ETL
13 14 (16.47%) Oracle
13 14 (16.47%) SQL Server Reporting Services
14 12 (14.12%) Microsoft
15 11 (12.94%) OOP
15 11 (12.94%) Banking
15 11 (12.94%) Algorithms
16 10 (11.76%) Oracle Database
16 10 (11.76%) Migration
16 10 (11.76%) Windows
16 10 (11.76%) E-Commerce
17 9 (10.59%) Analytics
18 8 (9.41%) Open Source
18 8 (9.41%) Continuous Integration
18 8 (9.41%) Perl
18 8 (9.41%) T-SQL

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 (3.53%) SharePoint
2 2 (2.35%) Apache
2 2 (2.35%) Apache Spark
2 2 (2.35%) Cloud Foundry
2 2 (2.35%) SAS
3 1 (1.18%) Confluence
3 1 (1.18%) IIS
3 1 (1.18%) OpenStack
3 1 (1.18%) Oracle HTTP Server
3 1 (1.18%) Oracle Spatial
3 1 (1.18%) Tomcat
3 1 (1.18%) WebSphere
Applications
1 4 (4.71%) Microsoft Excel
2 2 (2.35%) MS Visio
3 1 (1.18%) Chatbot
3 1 (1.18%) Microsoft Office
3 1 (1.18%) Microsoft Project
Cloud Services
1 22 (25.88%) Amazon AWS
2 21 (24.71%) Microsoft Azure
3 5 (5.88%) IaaS
4 4 (4.71%) Google Cloud Platform
4 4 (4.71%) PaaS
5 2 (2.35%) Virtual Private Cloud
6 1 (1.18%) Amazon EC2
6 1 (1.18%) Amazon Kinesis
6 1 (1.18%) Azure Data Factory
6 1 (1.18%) Office 365
6 1 (1.18%) SaaS
Communications & Networking
1 7 (8.24%) Firewall
2 4 (4.71%) SAN
3 3 (3.53%) DNS
3 3 (3.53%) NAS
3 3 (3.53%) SMS
4 2 (2.35%) BGP
4 2 (2.35%) DHCP
4 2 (2.35%) Internet
4 2 (2.35%) MPLS
4 2 (2.35%) NetScaler
4 2 (2.35%) Network Security
4 2 (2.35%) NGN
4 2 (2.35%) OSPF
4 2 (2.35%) VPN
4 2 (2.35%) VSAN
5 1 (1.18%) HTTP
5 1 (1.18%) iSCSI
5 1 (1.18%) LAN
5 1 (1.18%) Unified Communications
5 1 (1.18%) WAN
Database & Business Intelligence
1 25 (29.41%) SQL Server
2 20 (23.53%) Data Warehouse
3 17 (20.00%) SQL Server Integration Services
4 14 (16.47%) SQL Server Reporting Services
5 10 (11.76%) Oracle Database
6 7 (8.24%) MongoDB
6 7 (8.24%) OLTP
7 6 (7.06%) SQL Server 2012
7 6 (7.06%) SQL Server 2016
8 5 (5.88%) Apache Cassandra
8 5 (5.88%) Big Data
8 5 (5.88%) NoSQL
8 5 (5.88%) Relational Database
9 4 (4.71%) Amazon DynamoDB
9 4 (4.71%) CouchDB
9 4 (4.71%) Hadoop
9 4 (4.71%) PostgreSQL
10 3 (3.53%) OLAP
10 3 (3.53%) Oracle Database 11g
10 3 (3.53%) RDBMS
Development Applications
1 5 (5.88%) Git (software)
1 5 (5.88%) Jenkins
2 4 (4.71%) Appium
2 4 (4.71%) CircleCI
3 3 (3.53%) JMeter
3 3 (3.53%) Mocha
3 3 (3.53%) Selendroid
3 3 (3.53%) Selenium
4 2 (2.35%) Jasmine
4 2 (2.35%) JUnit
4 2 (2.35%) Subversion
4 2 (2.35%) Visual Studio Team System
5 1 (1.18%) gulp
5 1 (1.18%) JIRA
5 1 (1.18%) JIRA Agile
5 1 (1.18%) MSTest
5 1 (1.18%) Octopus Deploy
5 1 (1.18%) SpecFlow
5 1 (1.18%) Team Foundation Server
5 1 (1.18%) Vagrant
General
1 24 (28.24%) Finance
2 11 (12.94%) Banking
3 5 (5.88%) Front Office
4 2 (2.35%) Investment Banking
4 2 (2.35%) Legal
5 1 (1.18%) Financial Institution
5 1 (1.18%) Local Government
5 1 (1.18%) Marketing
5 1 (1.18%) Private Banking
5 1 (1.18%) Retail
Job Titles
1 44 (51.76%) Developer
2 14 (16.47%) Java Developer
3 13 (15.29%) DBA
4 11 (12.94%) AWS Developer
4 11 (12.94%) Senior Developer
5 10 (11.76%) Machine Learning Developer
6 9 (10.59%) SQL DBA
7 8 (9.41%) Oracle Developer
8 6 (7.06%) Consultant
8 6 (7.06%) Senior Oracle Developer
8 6 (7.06%) SQL Developer
9 5 (5.88%) SQL Server DBA
10 4 (4.71%) Administrator
10 4 (4.71%) Architect
10 4 (4.71%) Data Engineer
10 4 (4.71%) ETL Developer
11 3 (3.53%) Front Office Developer
11 3 (3.53%) PL/SQL Developer
11 3 (3.53%) Senior Java Developer
11 3 (3.53%) Tableau Developer
Libraries, Frameworks & Software Standards
1 6 (7.06%) RESTful
2 5 (5.88%) REST
3 4 (4.71%) HTML
3 4 (4.71%) Node.js
4 3 (3.53%) HTML5
4 3 (3.53%) Jest
4 3 (3.53%) React
4 3 (3.53%) Regular Expression
4 3 (3.53%) Web Services
4 3 (3.53%) XML
5 2 (2.35%) Browserify
5 2 (2.35%) Core Data
5 2 (2.35%) JDBC
5 2 (2.35%) JSON
5 2 (2.35%) Kafka
5 2 (2.35%) RabbitMQ
5 2 (2.35%) RequireJS
5 2 (2.35%) Ruby on Rails
6 1 (1.18%) WCF
6 1 (1.18%) WPF
Miscellaneous
1 11 (12.94%) Algorithms
2 6 (7.06%) Analytical Skills
2 6 (7.06%) Mobile App
2 6 (7.06%) Replication
3 4 (4.71%) Enterprise Software
3 4 (4.71%) Self-Motivation
4 3 (3.53%) Client/Server
4 3 (3.53%) Computer Science
4 3 (3.53%) Credit Risk
4 3 (3.53%) Data Structures
4 3 (3.53%) Management Information System
4 3 (3.53%) PDA
5 2 (2.35%) Data Centre
5 2 (2.35%) Derivative
5 2 (2.35%) Foreign Exchange (FX)
5 2 (2.35%) Greenfield Project
5 2 (2.35%) Hybrid Cloud
5 2 (2.35%) Private Cloud
5 2 (2.35%) Public Cloud
5 2 (2.35%) User Experience
Operating Systems
1 10 (11.76%) Windows
2 7 (8.24%) Linux
3 6 (7.06%) Unix
4 4 (4.71%) Android
5 2 (2.35%) Apple iOS
5 2 (2.35%) Red Hat Enterprise Linux
5 2 (2.35%) Solaris
5 2 (2.35%) Windows 10
5 2 (2.35%) Windows Server
6 1 (1.18%) CentOS
6 1 (1.18%) Oracle Linux
6 1 (1.18%) Ubuntu
6 1 (1.18%) VMS
Processes & Methodologies
1 29 (34.12%) Agile Software Development
2 15 (17.65%) Business Intelligence
2 15 (17.65%) Problem-Solving
3 14 (16.47%) ETL
3 14 (16.47%) Machine Learning
4 11 (12.94%) OOP
5 10 (11.76%) E-Commerce
5 10 (11.76%) Migration
6 9 (10.59%) Analytics
7 8 (9.41%) Continuous Integration
7 8 (9.41%) Open Source
8 7 (8.24%) Data Integration
8 7 (8.24%) DevOps
9 6 (7.06%) Disaster Recovery
9 6 (7.06%) High Availability
9 6 (7.06%) Mentoring
10 5 (5.88%) Data Modelling
10 5 (5.88%) Regression Testing
10 5 (5.88%) Scrum
10 5 (5.88%) Software Engineering
Programming Languages
1 38 (44.71%) SQL
2 23 (27.06%) Java
3 18 (21.18%) Python
4 16 (18.82%) PL/SQL
5 8 (9.41%) Perl
5 8 (9.41%) T-SQL
6 6 (7.06%) JavaScript
7 5 (5.88%) Ruby
8 3 (3.53%) C#
8 3 (3.53%) PHP
8 3 (3.53%) PowerShell
9 2 (2.35%) Apple Swift
9 2 (2.35%) Go
9 2 (2.35%) Java 8
9 2 (2.35%) R
9 2 (2.35%) Shell Script
10 1 (1.18%) Erlang
10 1 (1.18%) Groovy
10 1 (1.18%) Kotlin
10 1 (1.18%) Objective-C
Qualifications
1 2 (2.35%) CCNP
1 2 (2.35%) Check Point Certification
1 2 (2.35%) Cisco Certification
1 2 (2.35%) CISSP
1 2 (2.35%) Computer Science Degree
1 2 (2.35%) Degree
1 2 (2.35%) ITIL Foundation Certificate
1 2 (2.35%) VCP6
1 2 (2.35%) VMware Certified Professional (VCP)
2 1 (1.18%) Security Cleared
Quality Assurance & Compliance
1 4 (4.71%) QA
2 3 (3.53%) Data Quality
3 2 (2.35%) HIPAA
3 2 (2.35%) Sarbanes-Oxley
4 1 (1.18%) GDPR
4 1 (1.18%) Solvency II
System Software
1 7 (8.24%) VMware Infrastructure
2 4 (4.71%) Hyper-V
2 4 (4.71%) vSphere
3 3 (3.53%) Docker
3 3 (3.53%) KVM
3 3 (3.53%) Virtual Machines
4 2 (2.35%) Microsoft App-V
4 2 (2.35%) Oracle RAC
4 2 (2.35%) Virtual Desktop
4 2 (2.35%) VMware ESXi
4 2 (2.35%) VMware NSX
4 2 (2.35%) XenApp
4 2 (2.35%) XenDesktop
5 1 (1.18%) Apache Flume
5 1 (1.18%) NFS
5 1 (1.18%) SRDF
5 1 (1.18%) Xen
Systems Management
1 3 (3.53%) Ansible
1 3 (3.53%) Opscode Chef
2 2 (2.35%) Nagios
2 2 (2.35%) vMotion
2 2 (2.35%) vRealize
3 1 (1.18%) Cisco CUCM
3 1 (1.18%) Failover Clustering
3 1 (1.18%) Microsoft Clustering
3 1 (1.18%) Oozie
3 1 (1.18%) SCCM
3 1 (1.18%) SCOM
3 1 (1.18%) SCOrch
3 1 (1.18%) Systems Management Server (SMS)
3 1 (1.18%) Terraform
Vendors
1 14 (16.47%) Oracle
2 12 (14.12%) Microsoft
3 8 (9.41%) VMware
4 7 (8.24%) Google
5 5 (5.88%) Tableau
6 4 (4.71%) Cisco
7 3 (3.53%) HP
7 3 (3.53%) NetApp
8 2 (2.35%) CheckPoint
8 2 (2.35%) Citrix
8 2 (2.35%) Dell
8 2 (2.35%) EMC
8 2 (2.35%) FireEye
8 2 (2.35%) McAfee
8 2 (2.35%) Palo Alto
8 2 (2.35%) PeopleSoft
8 2 (2.35%) Red Hat
8 2 (2.35%) SolarWinds
8 2 (2.35%) Sybase
8 2 (2.35%) Wyse