The following table provides summary statistics for contract job vacancies advertised in Wales 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 3 months to 30 March 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
UK / Wales
3 months to
30 Mar 2017
Same period 2016 Same period 2015
Rank 55 65 47
Rank change year-on-year +10 -18  
Contract jobs citing Performance Tuning 8 6 17
As % of all contract IT jobs advertised in Wales 1.12% 0.92% 2.36%
As % of the Processes & Methodologies category 1.38% 1.09% 3.09%
Number of daily rates quoted 3 4 16
Median daily rate £375 £383 £201
Median daily rate % change year-on-year -1.96% +90.06%  
UK excluding London median daily rate £403 £400 £375
% change year-on-year +0.62% +6.66%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £35.00 £44.00 £37.50
% change year-on-year -20.45% +17.33%  

Performance Tuning is in the process and methodology skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Wales with a requirement for process and methodology skills.

Contract Process & Methodology Skills
Wales
Contract job vacancies with a requirement for process and methodology skills 579 549 550
As % of all contract IT job vacancies advertised in Wales 81.21% 83.94% 76.28%
Number of daily rates quoted 426 377 310
Median daily rate £388 £375 £375
Median daily rate % change year-on-year +3.33% -  
90% offered a daily rate of more than £190 £275 £263
10% offered a daily rate of more than £525 £475 £500
UK excluding London median daily rate £410 £400 £396
% change year-on-year +2.50% +1.01%  
Number of hourly rates quoted 42 29 22
Median hourly rate £35.00 £29.00 £18.90
Median hourly rate % change year-on-year +20.68% +53.43%  
90% offered a hourly rate of more than £14.50 £13.00 £11.55
10% offered a hourly rate of more than £55.00 £66.00 £34.50
UK excluding London median hourly rate £35.75 £38.00 £30.00
% change year-on-year -5.92% +26.66%  

Performance Tuning
Job Vacancy Trend in Wales

The job posting trend of jobs advertised in Wales citing Performance Tuning as a proportion of all contract or permanent IT jobs with a match in the Processes & Methodologies category.

Job vacancy trend for Performance Tuning in Wales

Performance Tuning
Contractor Daily Rate Trend in Wales

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Performance Tuning in Wales.

Contractor daily rate trend for Performance Tuning in Wales

Performance Tuning
Contractor Hourly Rate Trend in Wales

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing Performance Tuning in Wales.

Contractor hourly rate trend for Performance Tuning in Wales

Performance Tuning
Contract Job Locations in Wales

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Performance Tuning within the Wales region over the 3 months to 30 March 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
South Wales +16 6 £375 -1.96% 3
West Wales - 1 - -
Performance Tuning
UK

For the 6 months to 30 March 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 Wales region with a requirement for Performance Tuning.

1 10 (62.50%) DevOps
2 8 (50.00%) SQL
3 7 (43.75%) Linux
4 6 (37.50%) Load Testing
4 6 (37.50%) Git (software)
5 5 (31.25%) SaltStack
5 5 (31.25%) Python
5 5 (31.25%) SQL Server
5 5 (31.25%) Agile Software Development
6 4 (25.00%) Migration
6 4 (25.00%) VMware
6 4 (25.00%) Jenkins
6 4 (25.00%) Ansible
6 4 (25.00%) Amazon EC2
6 4 (25.00%) Amazon S3
6 4 (25.00%) PowerShell
6 4 (25.00%) Amazon AWS
6 4 (25.00%) High Availability
6 4 (25.00%) Terraform
7 3 (18.75%) Marathon
7 3 (18.75%) vSphere
7 3 (18.75%) Puppet
7 3 (18.75%) Relational Database
7 3 (18.75%) Mesos
7 3 (18.75%) Microservices
7 3 (18.75%) Rundeck
7 3 (18.75%) Server Hardening
7 3 (18.75%) DSL
7 3 (18.75%) Java
7 3 (18.75%) PL/SQL

Performance Tuning
Co-occurring IT Skills in Wales 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 2 (12.50%) Elasticsearch
1 2 (12.50%) IIS
2 1 (6.25%) Apache
2 1 (6.25%) Apache Pig
2 1 (6.25%) Apache Spark
2 1 (6.25%) Jetty
2 1 (6.25%) Mongrel
2 1 (6.25%) nginx
2 1 (6.25%) Tomcat
2 1 (6.25%) WebSphere
Applications
1 1 (6.25%) MS Excel
Cloud Services
1 4 (25.00%) Amazon AWS
1 4 (25.00%) Amazon EC2
1 4 (25.00%) Amazon S3
2 1 (6.25%) Google App Engine
2 1 (6.25%) Google Cloud Platform
Communications & Networking
1 3 (18.75%) DSL
1 3 (18.75%) HTTP
1 3 (18.75%) SSL
1 3 (18.75%) TCP/IP
2 1 (6.25%) DHCP
2 1 (6.25%) DNS
2 1 (6.25%) FTP
2 1 (6.25%) IPsec
Database & Business Intelligence
1 5 (31.25%) SQL Server
2 3 (18.75%) Relational Database
3 2 (12.50%) Data Warehouse
3 2 (12.50%) MongoDB
3 2 (12.50%) Oracle BI EE
3 2 (12.50%) Oracle BI Publisher
3 2 (12.50%) Oracle OWB
3 2 (12.50%) Oracle Reports
3 2 (12.50%) SQL Server 2012
3 2 (12.50%) SQL Server 2014
3 2 (12.50%) SQLPlus
4 1 (6.25%) Apache Hive
4 1 (6.25%) Hadoop
4 1 (6.25%) Oracle Database 10g
4 1 (6.25%) Oracle Database 11g
4 1 (6.25%) PostgreSQL
4 1 (6.25%) SQL Server 2008
4 1 (6.25%) SQL Server Analysis Services
4 1 (6.25%) SQL Server Integration Services
4 1 (6.25%) SQL Server Reporting Services
Development Applications
1 6 (37.50%) Git (software)
2 4 (25.00%) Jenkins
3 2 (12.50%) Oracle APEX
3 2 (12.50%) Toad
4 1 (6.25%) SQL Server Management Studio (SSMS)
4 1 (6.25%) Travis CI
General
1 1 (6.25%) Finance
Job Titles
1 5 (31.25%) DBA
1 5 (31.25%) SQL DBA
2 3 (18.75%) Administrator
2 3 (18.75%) Developer
2 3 (18.75%) Oracle Developer
3 2 (12.50%) Data Warehouse Developer
3 2 (12.50%) DevOps Engineer
3 2 (12.50%) Linux Administrator
3 2 (12.50%) Oracle Data Warehouse Developer
3 2 (12.50%) Systems Administrator
4 1 (6.25%) Active Directory Administrator
4 1 (6.25%) Big Data Architect
4 1 (6.25%) DevOps Administrator
4 1 (6.25%) Hadoop Architect
4 1 (6.25%) Infrastructure Architect
4 1 (6.25%) Linux DevOps Administrator
4 1 (6.25%) Linux Systems Administrator
4 1 (6.25%) PL/SQL Developer
4 1 (6.25%) Windows Administrator
4 1 (6.25%) Windows Systems Administrator
Libraries, Frameworks & Software Standards
1 3 (18.75%) J2EE
2 2 (12.50%) .NET
2 2 (12.50%) Elastic Stack
3 1 (6.25%) Kafka
3 1 (6.25%) Node.js
3 1 (6.25%) Servlets
Miscellaneous
1 1 (6.25%) Analytical Skills
1 1 (6.25%) Clustering
Operating Systems
1 7 (43.75%) Linux
2 1 (6.25%) Windows
2 1 (6.25%) Windows Server
Processes & Methodologies
1 10 (62.50%) DevOps
2 6 (37.50%) Load Testing
3 5 (31.25%) Agile Software Development
4 4 (25.00%) High Availability
4 4 (25.00%) Migration
5 3 (18.75%) Microservices
5 3 (18.75%) Server Hardening
6 2 (12.50%) Business Intelligence
6 2 (12.50%) Configuration Management
6 2 (12.50%) Data Modelling
6 2 (12.50%) Open Source
7 1 (6.25%) Continuous Integration
7 1 (6.25%) Load Balancing
7 1 (6.25%) MapReduce
7 1 (6.25%) Mentoring
7 1 (6.25%) Performance Optimisation
7 1 (6.25%) Software Engineering
7 1 (6.25%) Technical Architecture
7 1 (6.25%) Web Development
Programming Languages
1 8 (50.00%) SQL
2 5 (31.25%) Python
3 4 (25.00%) PowerShell
4 3 (18.75%) Java
4 3 (18.75%) PL/SQL
5 2 (12.50%) Bash Shell
5 2 (12.50%) Tcl
6 1 (6.25%) T-SQL
Qualifications
1 2 (12.50%) SC Cleared
1 2 (12.50%) Security Cleared
2 1 (6.25%) BPSS Clearance
2 1 (6.25%) Degree
Quality Assurance & Compliance
1 1 (6.25%) Disclosure Scotland
System Software
1 3 (18.75%) vSphere
2 2 (12.50%) VMware Infrastructure
3 1 (6.25%) Active Directory
3 1 (6.25%) Apache Flume
3 1 (6.25%) HDFS
3 1 (6.25%) Xen
Systems Management
1 4 (25.00%) Ansible
1 4 (25.00%) Terraform
2 3 (18.75%) Marathon
2 3 (18.75%) Mesos
2 3 (18.75%) Puppet
2 3 (18.75%) Rundeck
3 2 (12.50%) HAProxy
3 2 (12.50%) Kibana
3 2 (12.50%) logstash
4 1 (6.25%) Ambari
4 1 (6.25%) Hadoop YARN
4 1 (6.25%) Oozie
4 1 (6.25%) Opscode Chef
Vendors
1 5 (31.25%) SaltStack
2 4 (25.00%) VMware
3 3 (18.75%) Oracle
4 2 (12.50%) Microsoft
5 1 (6.25%) Cloudera
5 1 (6.25%) Google
5 1 (6.25%) Hortonworks
5 1 (6.25%) Splunk