The table below looks at the statistics for Performance Tuning skills in IT contracts advertised for the Welwyn Garden City region. Included is a guide to the contractor rates offered in IT contracts that have cited Performance Tuning over the 3 months to 25 June 2016 with a comparison to the same period over the previous 2 years.

Note that daily contractor rates and hourly contractor rates are treated separately. When calculating average contractor rates, daily rates are not derived from quoted hourly rates or vice versa.

3 months to
25 Jun 2016
Same period 2015 Same period 2014
Performance Tuning
Rank 13 13 9
Rank change year-on-year
0 -4
Contract jobs citing Performance Tuning 5 12 5
As % of all contract IT jobs located in Welwyn Garden City 7.94% 9.30% 7.46%
As % of the Processes & Methodologies category 10.20% 11.54% 10.42%
Number of daily rates quoted 5 6 2
Median daily rate £288 £310 £380
Median daily rate % change year-on-year
-7.25% -18.42%
UK excluding London median daily rate £400 £375 £350
% change year-on-year
+6.66% +7.14%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £40.00 £65.00 £40.00
% change year-on-year
-38.46% +62.50%
Performance Tuning
Hertfordshire

The following table is for comparison with the above and provides statistics for the entire Processes & Methodologies category in contract jobs advertised in the Welwyn Garden City region.

Processes & Methodologies Category
Welwyn Garden City
Contract IT job ads with a match in the
Processes & Methodologies category
49 104 48
As % of all contract IT jobs located in Welwyn Garden City 77.78% 80.62% 71.64%
Number of daily rates quoted 22 52 35
Median daily rate £413 £324 £325
Median daily rate % change year-on-year
+27.28% -0.28%
90% offered a daily rate of more than £288 £273 £110
10% offered a daily rate of more than £430 £406 £425
UK excluding London median daily rate £400 £380 £375
% change year-on-year
+5.26% +1.33%
Number of hourly rates quoted 4 1 0
Median hourly rate £18.25 £47.50 -
Median hourly rate % change year-on-year
-61.57% -
UK excluding London median hourly rate £28.50 £30.00 £29.50
% change year-on-year
-5.00% +1.69%

Performance Tuning
Jobs Demand Trend in Welwyn Garden City

The demand trend of contract jobs across the Welwyn Garden City region citing Performance Tuning as a proportion of all IT contracts with a match in the Processes & Methodologies category.

Performance Tuning Jobs Demand Trend in Welwyn Garden City

Performance Tuning
Daily Rate Trend in Welwyn Garden City

This chart provides the 3-month moving average for daily rates quoted in IT contract jobs citing Performance Tuning across the Welwyn Garden City region.

Performance Tuning Daily Rate Trend in Welwyn Garden City

Performance Tuning
Daily Rate Histogram in Welwyn Garden City

This chart provides a histogram of daily rates quoted in contract IT jobs citing Performance Tuning across the Welwyn Garden City region over the 3 months to 25 June 2016.

Performance Tuning Daily Rate Histogram in Welwyn Garden City

Performance Tuning
Top 30 Related IT Skills in Welwyn Garden City

For the 6 months to 25 June 2016, 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 Welwyn Garden City region with a requirement for Performance Tuning.

1 5 (100.00%) SQL
2 3 (60.00%) Oracle
2 3 (60.00%) Data Warehouse
2 3 (60.00%) ETL
2 3 (60.00%) RDBMS
2 3 (60.00%) Informatica
2 3 (60.00%) PowerCenter
2 3 (60.00%) ERwin
2 3 (60.00%) Agile Software Development
2 3 (60.00%) Data Mart
2 3 (60.00%) Unit Testing
2 3 (60.00%) Dimensional Modelling
2 3 (60.00%) Oracle Database
2 3 (60.00%) Relational Database
3 2 (40.00%) Database Mirroring
3 2 (40.00%) Data Quality
3 2 (40.00%) Data Transformation
3 2 (40.00%) Data Extraction
3 2 (40.00%) VMware Infrastructure
3 2 (40.00%) SQL Server 2005
3 2 (40.00%) Validation
3 2 (40.00%) VMware
3 2 (40.00%) Pharmaceutical
3 2 (40.00%) SAN
3 2 (40.00%) SQL Server
4 1 (20.00%) ITIL
4 1 (20.00%) Windows
4 1 (20.00%) BizTalk Server
4 1 (20.00%) Windows Server 2008
4 1 (20.00%) Windows Server

Performance Tuning
Top Related IT Skills in Welwyn Garden City 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 1 (20.00%) BizTalk Server
Communications & Networking
1 2 (40.00%) SAN
Database & Business Intelligence
1 3 (60.00%) Data Mart
1 3 (60.00%) Data Warehouse
1 3 (60.00%) Oracle Database
1 3 (60.00%) PowerCenter
1 3 (60.00%) RDBMS
1 3 (60.00%) Relational Database
2 2 (40.00%) SQL Server
2 2 (40.00%) SQL Server 2005
Development Applications
1 3 (60.00%) ERwin
General
1 2 (40.00%) Pharmaceutical
Job Titles
1 3 (60.00%) Developer
1 3 (60.00%) Informatica Developer
1 3 (60.00%) Oracle Developer
2 2 (40.00%) DBA
2 2 (40.00%) SQL DBA
2 2 (40.00%) SQL Server DBA
Miscellaneous
1 2 (40.00%) Data Extraction
Operating Systems
1 1 (20.00%) Windows
1 1 (20.00%) Windows Server
1 1 (20.00%) Windows Server 2008
Processes & Methodologies
1 3 (60.00%) Agile Software Development
1 3 (60.00%) Dimensional Modelling
1 3 (60.00%) ETL
1 3 (60.00%) Unit Testing
2 2 (40.00%) Data Transformation
2 2 (40.00%) Database Mirroring
2 2 (40.00%) Validation
3 1 (20.00%) ITIL
Programming Languages
1 5 (100.00%) SQL
Quality Assurance & Compliance
1 2 (40.00%) Data Quality
System Software
1 2 (40.00%) VMware Infrastructure
Vendors
1 3 (60.00%) Informatica
1 3 (60.00%) Oracle
2 2 (40.00%) VMware