Period
to 18 February 2018

The following table provides summary statistics for contract job vacancies advertised in Hertfordshire 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 18 February 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
East of England > Hertfordshire
6 months to
18 Feb 2018
Same period 2017 Same period 2016
Rank 85 69 75
Rank change year-on-year -16 +6 -30
Contract jobs citing Performance Tuning 15 27 17
As % of all contract IT jobs advertised in Hertfordshire 0.98% 2.03% 1.25%
As % of the Processes & Methodologies category 1.20% 2.60% 1.65%
Number of daily rates quoted 41 18 9
Hertfordshire median daily rate £335 £400 £375
Median daily rate % change year-on-year -16.25% +6.67% +25.00%
10th Percentile £300 £230 £330
90th Percentile £400 £483 £488
East of England median daily rate £356 £400 £375
% change year-on-year -10.94% +6.67% +15.38%
Number of hourly rates quoted 0 0 0
Hertfordshire median hourly rate - - -
East of England median hourly rate £42.50 £35.00 £41.50
% change year-on-year +21.43% -15.66% +10.67%

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 Hertfordshire with a requirement for process or methodology skills.

All Process and Methodology Skills
Hertfordshire
Contract vacancies with a requirement for process or methodology skills 1,248 1,040 1,032
As % of all contract IT jobs advertised in Hertfordshire 81.68% 78.31% 76.11%
Number of daily rates quoted 622 586 526
Hertfordshire median daily rate £400 £425 £413
Median daily rate % change year-on-year -5.88% +3.03% +5.10%
10th Percentile £213 £213 £259
90th Percentile £575 £554 £575
East of England median daily rate £425 £400 £403
% change year-on-year +6.25% -0.62% +0.63%
Number of hourly rates quoted 54 53 88
Hertfordshire median hourly rate £23.14 £42.20 £21.50
Median hourly rate % change year-on-year -45.17% +96.28% -34.35%
10th Percentile £12.96 £11.07 £11.60
90th Percentile £47.43 £53.58 £52.25
East of England median hourly rate £35.00 £33.25 £30.00
% change year-on-year +5.26% +10.83% +30.43%

Performance Tuning
Job Vacancy Trend in Hertfordshire

Job postings citing Performance Tuning as a percentage of all IT jobs advertised in Hertfordshire.

Job vacancy trend for Performance Tuning in Hertfordshire

Performance Tuning
Contractor Daily Rate Trend in Hertfordshire

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

Contractor daily rate trend for Performance Tuning in Hertfordshire

Performance Tuning
Contractor Daily Rate Histogram in Hertfordshire

The daily rate distribution of IT jobs citing Performance Tuning in Hertfordshire over the 6 months to 18 February 2018.

Contractor daily rate histogram for Performance Tuning in Hertfordshire

Performance Tuning
Contract Job Locations in Hertfordshire

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 Hertfordshire region over the 6 months to 18 February 2018. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Stevenage - 8 £335 -
Watford -20 6 £335 -10.67% 2
Hemel Hempstead - 4 £400 -
St Albans -2 3 £300 +9.09%
Performance Tuning
East of England

For the 6 months to 18 February 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 Hertfordshire region with a requirement for Performance Tuning.

1 14 (93.33%) SQL Server
2 9 (60.00%) SQL Server Integration Services
3 8 (53.33%) Agile Software Development
3 8 (53.33%) SQL
4 7 (46.67%) C#
4 7 (46.67%) SQL Server Reporting Services
4 7 (46.67%) Finance
5 6 (40.00%) Business Intelligence
5 6 (40.00%) .NET
5 6 (40.00%) Data Warehouse
5 6 (40.00%) SQL Server Analysis Services
5 6 (40.00%) SQL Server 2016
6 5 (33.33%) Team Foundation Server
6 5 (33.33%) T-SQL
6 5 (33.33%) Microsoft
7 4 (26.67%) Disaster Recovery
7 4 (26.67%) Statistics
7 4 (26.67%) SQL Server 2008
7 4 (26.67%) High Availability
7 4 (26.67%) Greenfield Project
8 3 (20.00%) SDLC
8 3 (20.00%) Enterprise Software
8 3 (20.00%) SOLID
8 3 (20.00%) ASP.NET Web API
8 3 (20.00%) Database Tuning
8 3 (20.00%) PowerShell
8 3 (20.00%) WCF
8 3 (20.00%) WPF
8 3 (20.00%) Data Modelling
8 3 (20.00%) TDD

Performance Tuning
Co-occurring IT Skills in Hertfordshire 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:

Database & Business Intelligence
1 14 (93.33%) SQL Server
2 9 (60.00%) SQL Server Integration Services
3 7 (46.67%) SQL Server Reporting Services
4 6 (40.00%) Data Warehouse
4 6 (40.00%) SQL Server 2016
4 6 (40.00%) SQL Server Analysis Services
5 4 (26.67%) SQL Server 2008
6 2 (13.33%) MS Access
6 2 (13.33%) Power BI
6 2 (13.33%) SQL Server 2012
6 2 (13.33%) SQL Server 2014
7 1 (6.67%) MongoDB
7 1 (6.67%) Qlik Sense
Development Applications
1 5 (33.33%) Team Foundation Server
General
1 7 (46.67%) Finance
Job Titles
1 11 (73.33%) Developer
2 9 (60.00%) SSIS Developer
3 7 (46.67%) C# Developer
3 7 (46.67%) SQL Developer
3 7 (46.67%) SQL Server Developer
3 7 (46.67%) SSRS Developer
4 6 (40.00%) Business Intelligence Developer
4 6 (40.00%) SSAS Developer
5 4 (26.67%) DBA
5 4 (26.67%) SQL BI Developer
5 4 (26.67%) SQL DBA
5 4 (26.67%) SQL Server BI Developer
6 3 (20.00%) .NET Developer
6 3 (20.00%) ASP.NET MVC Developer
6 3 (20.00%) C# .NET Developer
6 3 (20.00%) C# WCF Developer
6 3 (20.00%) Full Stack Developer
6 3 (20.00%) WCF Developer
7 1 (6.67%) Senior Developer
7 1 (6.67%) UI Developer
Libraries, Frameworks & Software Standards
1 6 (40.00%) .NET
2 3 (20.00%) ASP.NET Web API
2 3 (20.00%) WCF
2 3 (20.00%) WPF
3 2 (13.33%) MDX
3 2 (13.33%) REST
3 2 (13.33%) SOAP
3 2 (13.33%) Web Services
Miscellaneous
1 4 (26.67%) Greenfield Project
2 3 (20.00%) Enterprise Software
3 1 (6.67%) Robotics
Processes & Methodologies
1 8 (53.33%) Agile Software Development
2 6 (40.00%) Business Intelligence
3 4 (26.67%) Disaster Recovery
3 4 (26.67%) High Availability
3 4 (26.67%) Statistics
4 3 (20.00%) Data Modelling
4 3 (20.00%) Database Tuning
4 3 (20.00%) MVC
4 3 (20.00%) SDLC
4 3 (20.00%) SOLID
4 3 (20.00%) TDD
5 2 (13.33%) ETL
5 2 (13.33%) ETL Development
5 2 (13.33%) Inmon Methodology
5 2 (13.33%) Kimball Methodology
5 2 (13.33%) Unit Testing
6 1 (6.67%) Database Optimisation
6 1 (6.67%) Defect Management
6 1 (6.67%) Robotic Process Automation
Programming Languages
1 8 (53.33%) SQL
2 7 (46.67%) C#
3 5 (33.33%) T-SQL
4 3 (20.00%) PowerShell
5 2 (13.33%) VBA
6 1 (6.67%) VBScript
Vendors
1 5 (33.33%) Microsoft
2 2 (13.33%) Cognos
2 2 (13.33%) IBM
3 1 (6.67%) Oracle