Period
to 21 November 2017

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 21 November 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
East of England > Hertfordshire
6 months to
21 Nov 2017
Same period 2016 Same period 2015
Rank 74 51 60
Rank change year-on-year -23 +9 -12
Contract jobs citing Performance Tuning 27 42 40
As % of all contract IT jobs advertised in Hertfordshire 1.71% 3.03% 2.48%
As % of the Processes & Methodologies category 2.13% 3.95% 3.27%
Number of daily rates quoted 46 30 16
Hertfordshire median daily rate £335 £400 £318
Median daily rate % change year-on-year -16.25% +25.98% +5.83%
10th Percentile £300 £255 £293
90th Percentile £397 £500 £500
East of England median daily rate £335 £400 £325
% change year-on-year -16.25% +23.08% +1.56%
Number of hourly rates quoted 0 0 0
Hertfordshire median hourly rate - - -
East of England median hourly rate £45.00 £40.00 £38.75
% change year-on-year +12.50% +3.23% +8.77%

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 1265 1064 1223
As % of all contract IT jobs advertised in Hertfordshire 80.11% 76.77% 75.82%
Number of daily rates quoted 631 616 615
Hertfordshire median daily rate £400 £413 £400
Median daily rate % change year-on-year -3.03% +3.13% +6.67%
10th Percentile £213 £222 £225
90th Percentile £575 £538 £567
East of England median daily rate £425 £400 £400
% change year-on-year +6.25% - +6.67%
Number of hourly rates quoted 65 57 98
Hertfordshire median hourly rate £18.00 £33.50 £21.00
Median hourly rate % change year-on-year -46.27% +59.50% +31.27%
10th Percentile £13.00 £10.63 £9.70
90th Percentile £46.50 £53.75 £42.88
East of England median hourly rate £31.03 £31.50 £25.50
% change year-on-year -1.49% +23.53% +3.83%

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 21 November 2017.

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 21 November 2017. 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
Watford -2 15 £335 -6.29%
Stevenage -4 8 £335 +21.82%
St Albans - 5 £300 -
Hemel Hempstead - 4 £400 - 1
Performance Tuning
East of England

For the 6 months to 21 November 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 Hertfordshire region with a requirement for Performance Tuning.

1 16 (59.26%) SQL Server
1 16 (59.26%) Agile Software Development
2 11 (40.74%) SQL Server Integration Services
2 11 (40.74%) SQL
3 9 (33.33%) Finance
3 9 (33.33%) C#
3 9 (33.33%) Data Warehouse
4 8 (29.63%) MVC
5 7 (25.93%) Oracle
5 7 (25.93%) Microsoft
5 7 (25.93%) Business Intelligence
5 7 (25.93%) .NET
5 7 (25.93%) SQL Server Reporting Services
5 7 (25.93%) Team Foundation Server
6 6 (22.22%) Oracle Retail
6 6 (22.22%) SQL Server 2016
6 6 (22.22%) SQL Server Analysis Services
6 6 (22.22%) Retail
7 5 (18.52%) T-SQL
7 5 (18.52%) TDD
7 5 (18.52%) WCF
7 5 (18.52%) SOLID
7 5 (18.52%) SDLC
7 5 (18.52%) Performance Improvement
7 5 (18.52%) Enterprise Software
7 5 (18.52%) Performance Testing
7 5 (18.52%) High Availability
8 4 (14.81%) SQL Server 2008
8 4 (14.81%) Greenfield Project
8 4 (14.81%) Statistics

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:

Application Platforms
1 3 (11.11%) Apache
1 3 (11.11%) Elasticsearch
1 3 (11.11%) nginx
2 2 (7.41%) WebLogic
Business Applications
1 6 (22.22%) Oracle Retail
Database & Business Intelligence
1 16 (59.26%) SQL Server
2 11 (40.74%) SQL Server Integration Services
3 9 (33.33%) Data Warehouse
4 7 (25.93%) SQL Server Reporting Services
5 6 (22.22%) SQL Server 2016
5 6 (22.22%) SQL Server Analysis Services
6 4 (14.81%) SQL Server 2008
7 3 (11.11%) MySQL
7 3 (11.11%) Oracle Database
7 3 (11.11%) Oracle Database 11g
7 3 (11.11%) Relational Database
7 3 (11.11%) SQL Server 2012
7 3 (11.11%) SQL Server 2014
8 2 (7.41%) MS Access
8 2 (7.41%) Oracle Database 12c
8 2 (7.41%) Oracle Exadata
8 2 (7.41%) Power BI
9 1 (3.70%) Oracle ODI
9 1 (3.70%) Qlik Sense
Development Applications
1 7 (25.93%) Team Foundation Server
2 3 (11.11%) Git (software)
2 3 (11.11%) Mercurial
General
1 9 (33.33%) Finance
2 6 (22.22%) Retail
3 3 (11.11%) Games
Job Titles
1 16 (59.26%) Developer
2 11 (40.74%) SSIS Developer
3 10 (37.04%) SQL Developer
4 9 (33.33%) C# Developer
4 9 (33.33%) SQL Server Developer
5 7 (25.93%) SSRS Developer
6 6 (22.22%) Business Intelligence Developer
6 6 (22.22%) DBA
6 6 (22.22%) Senior Developer
6 6 (22.22%) SSAS Developer
7 5 (18.52%) .NET Developer
7 5 (18.52%) ASP.NET MVC Developer
7 5 (18.52%) C# .NET Developer
7 5 (18.52%) C# WCF Developer
7 5 (18.52%) SQL DBA
7 5 (18.52%) WCF Developer
8 4 (14.81%) SQL BI Developer
8 4 (14.81%) SQL Server BI Developer
9 3 (11.11%) Full Stack Developer
9 3 (11.11%) PHP Developer
Libraries, Frameworks & Software Standards
1 7 (25.93%) .NET
2 5 (18.52%) WCF
3 3 (11.11%) ASP.NET Web API
3 3 (11.11%) LAMP
3 3 (11.11%) Laravel
3 3 (11.11%) LEMP Stack
3 3 (11.11%) Symfony
3 3 (11.11%) WPF
3 3 (11.11%) Yii
4 2 (7.41%) MDX
4 2 (7.41%) REST
4 2 (7.41%) SOAP
4 2 (7.41%) Web Services
5 1 (3.70%) Oracle GoldenGate
Miscellaneous
1 5 (18.52%) Enterprise Software
2 4 (14.81%) Greenfield Project
3 1 (3.70%) Clustering
Operating Systems
1 3 (11.11%) Linux
1 3 (11.11%) Unix
2 1 (3.70%) Windows
2 1 (3.70%) Windows Server
Processes & Methodologies
1 16 (59.26%) Agile Software Development
2 8 (29.63%) MVC
3 7 (25.93%) Business Intelligence
4 5 (18.52%) High Availability
4 5 (18.52%) Performance Improvement
4 5 (18.52%) Performance Testing
4 5 (18.52%) SDLC
4 5 (18.52%) SOLID
4 5 (18.52%) TDD
5 4 (14.81%) Data Modelling
5 4 (14.81%) Disaster Recovery
5 4 (14.81%) Statistics
6 3 (11.11%) DNA
6 3 (11.11%) E-Commerce
6 3 (11.11%) ETL
6 3 (11.11%) Migration
6 3 (11.11%) OO
6 3 (11.11%) Refactoring
6 3 (11.11%) Unit Testing
6 3 (11.11%) Web Development
Programming Languages
1 11 (40.74%) SQL
2 9 (33.33%) C#
3 5 (18.52%) T-SQL
4 3 (11.11%) PHP
4 3 (11.11%) PL/SQL
5 2 (7.41%) PowerShell
5 2 (7.41%) Shell Script
5 2 (7.41%) VBA
6 1 (3.70%) Java
Systems Management
1 3 (11.11%) Ansible
1 3 (11.11%) Opscode Chef
1 3 (11.11%) Puppet
Vendors
1 7 (25.93%) Microsoft
1 7 (25.93%) Oracle
2 2 (7.41%) Cognos
2 2 (7.41%) IBM