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 average contractor rates offered in IT contracts that have cited Performance Tuning over the 3 months to 31 July 2015 with a comparison to the same period in 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.

Location
3 months to
31 Jul 2015
Same period 2014 Same period 2013
Performance Tuning
Rank 9 7 -
Rank change year-on-year
-2 -
Contract jobs citing Performance Tuning 11 6 0
As % of all contract IT jobs located in Welwyn Garden City 11.11% 10.71% -
As % of the Processes & Methodologies category 13.75% 15.38% -
Number of daily rates quoted 6 4 0
Average daily rate
Keep up to 90%
of your Daily Rate
Get a Free Illustration
£310 £390 -
Average daily rate % change year-on-year
-20.51% -
UK excluding London average daily rate £355 £350 £350
% change year-on-year
+1.32% -
Number of hourly rates quoted 0 0 0
Average hourly rate - - -
UK excluding London average hourly rate £45.00 £42.50 £37.00
% change year-on-year
+5.88% +14.86%
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
80 39 31
As % of all contract IT jobs located in Welwyn Garden City 80.81% 69.64% 83.78%
Number of daily rates quoted 42 25 21
Average daily rate £311 £325 £400
Average daily rate % change year-on-year
-4.23% -18.75%
90% offered a daily rate of more than £273 £110 £205
10% offered a daily rate of more than £450 £400 £450
UK excluding London average daily rate £388 £375 £375
% change year-on-year
+3.33% -
Number of hourly rates quoted 1 0 0
Average hourly rate £47.50 - -
UK excluding London average hourly rate £30.50 £26.50 £31.00
% change year-on-year
+15.09% -14.51%

Performance Tuning
Jobs Demand Trend in Welwyn Garden City

This chart provides a 3-month moving total of IT contractor jobs citing Performance Tuning across the Welwyn Garden City region as a proportion of the total demand within 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
Top 30 Related IT Skills in Welwyn Garden City

For the 6 months to 31 July 2015, IT contractor jobs across the Welwyn Garden City region citing Performance Tuning also mentioned the following IT skills in order of popularity. The figures indicate the number of jobs and their proportion against the total number of contract IT job ads sampled that cited Performance Tuning.

1 10 (71.43%) SQL
2 9 (64.29%) RDBMS
2 9 (64.29%) Relational Database
3 7 (50.00%) Oracle Database
3 7 (50.00%) Unit Testing
3 7 (50.00%) Dimensional Modelling
3 7 (50.00%) Data Extraction
3 7 (50.00%) Data Quality
3 7 (50.00%) Data Transformation
3 7 (50.00%) Informatica
3 7 (50.00%) PowerCenter
3 7 (50.00%) Oracle
3 7 (50.00%) Data Warehouse
3 7 (50.00%) ETL
3 7 (50.00%) Validation
3 7 (50.00%) ERwin
3 7 (50.00%) Data Mart
4 6 (42.86%) MySQL
5 4 (28.57%) Agile Software Development
5 4 (28.57%) Replication
5 4 (28.57%) Clustering
5 4 (28.57%) Disaster Recovery
5 4 (28.57%) Capacity Planning
6 3 (21.43%) SQL Server Reporting Services
6 3 (21.43%) Database Security
6 3 (21.43%) SQL Server Integration Services
6 3 (21.43%) Resource Management
6 3 (21.43%) T-SQL
6 3 (21.43%) Windows
6 3 (21.43%) SQL Server

Performance Tuning
Top Related IT Skills in Welwyn Garden City by Category

For the 6 months to 31 July 2015, IT contractor jobs across the Welwyn Garden City region citing Performance Tuning also mentioned the following IT skills grouped by category. The figures indicate the number of jobs and their proportion against the total number of contract IT job ads sampled that cited Performance Tuning. Up to 20 skills are shown per category.

Database & Business Intelligence
1 9 (64.29%) RDBMS
1 9 (64.29%) Relational Database
2 7 (50.00%) PowerCenter
2 7 (50.00%) Data Mart
2 7 (50.00%) Data Warehouse
2 7 (50.00%) Oracle Database
3 6 (42.86%) MySQL
4 3 (21.43%) SQL Server
4 3 (21.43%) SQL Server Reporting Services
4 3 (21.43%) SQL Server Integration Services
Development Applications
1 7 (50.00%) ERwin
General
1 2 (14.29%) Telecoms
1 2 (14.29%) Finance
1 2 (14.29%) Manufacturing
1 2 (14.29%) Retail
Job Titles
1 7 (50.00%) Developer
1 7 (50.00%) Informatica Developer
2 4 (28.57%) DBA
3 3 (21.43%) Oracle Developer
3 3 (21.43%) MySQL DBA
4 2 (14.29%) Informatica ETL Developer
4 2 (14.29%) ETL Developer
4 2 (14.29%) Consultant
5 1 (7.14%) SQL Server DBA
5 1 (7.14%) SQL DBA
Miscellaneous
1 7 (50.00%) Data Extraction
2 4 (28.57%) Replication
2 4 (28.57%) Clustering
Operating Systems
1 3 (21.43%) Windows
2 2 (14.29%) Solaris
2 2 (14.29%) Linux
2 2 (14.29%) UNIX
Processes & Methodologies
1 7 (50.00%) ETL
1 7 (50.00%) Validation
1 7 (50.00%) Unit Testing
1 7 (50.00%) Dimensional Modelling
1 7 (50.00%) Data Transformation
2 4 (28.57%) Agile Software Development
2 4 (28.57%) Disaster Recovery
2 4 (28.57%) Capacity Planning
3 3 (21.43%) Resource Management
3 3 (21.43%) Database Security
4 2 (14.29%) Open Source
Programming Languages
1 10 (71.43%) SQL
2 3 (21.43%) T-SQL
3 2 (14.29%) Python
3 2 (14.29%) Perl
Quality Assurance & Compliance
1 7 (50.00%) Data Quality
Vendors
1 7 (50.00%) Oracle
1 7 (50.00%) Informatica
2 2 (14.29%) Red Hat