Period
to 17 January 2019

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 17 January 2019 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
17 Jan 2019
Same period 2018 Same period 2017
Rank 92 74 68
Rank change year-on-year -18 -6 -1
Contract jobs citing Performance Tuning 5 26 26
As % of all contract IT jobs advertised in Hertfordshire 0.35% 1.68% 1.83%
As % of the Processes & Methodologies category 0.42% 2.01% 2.33%
Number of daily rates quoted 4 44 18
Hertfordshire median daily rate £460 £335 £400
Median daily rate % change year-on-year +37.31% -16.25% +6.67%
10th Percentile £361 £300 £301
90th Percentile £485 £398 £511
East of England median daily rate £430 £335 £400
% change year-on-year +28.36% -16.25% +14.29%
Number of hourly rates quoted 0 0 0
Hertfordshire median hourly rate - - -
East of England median hourly rate - £42.50 £35.00
% change year-on-year - +21.43% -11.39%

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 1,182 1,294 1,117
As % of all contract IT jobs advertised in Hertfordshire 81.69% 83.48% 78.83%
Number of daily rates quoted 704 652 624
Hertfordshire median daily rate £425 £400 £425
Median daily rate % change year-on-year +6.25% -5.88% +3.03%
10th Percentile £205 £213 £213
90th Percentile £569 £575 £550
East of England median daily rate £450 £425 £400
% change year-on-year +5.88% +6.25% -
Number of hourly rates quoted 67 60 57
Hertfordshire median hourly rate £19.50 £18.00 £39.70
Median hourly rate % change year-on-year +8.33% -54.66% +84.65%
10th Percentile £12.79 £13.00 £10.30
90th Percentile £51.00 £47.25 £53.00
East of England median hourly rate £19.25 £31.27 £32.50
% change year-on-year -38.43% -3.80% +8.33%

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 17 January 2019.

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 17 January 2019. 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
Welwyn Garden City - 2 £460 -
Hemel Hempstead -1 1 - - 1
Watford -5 1 £318 -5.07%
Hatfield - 1 £480 - 1
Performance Tuning
East of England

For the 6 months to 17 January 2019, 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 4 (80.00%) SQL
1 4 (80.00%) Business Intelligence
1 4 (80.00%) SQL Server Integration Services
2 3 (60.00%) Data Modelling
2 3 (60.00%) ETL
2 3 (60.00%) SQL Server Reporting Services
2 3 (60.00%) Database Tuning
2 3 (60.00%) Microsoft
2 3 (60.00%) T-SQL
2 3 (60.00%) SQL Server
2 3 (60.00%) Data Warehouse
3 2 (40.00%) SQL Server Analysis Services
3 2 (40.00%) Greenfield Project
3 2 (40.00%) Line Management
3 2 (40.00%) Mentoring
3 2 (40.00%) MDX
4 1 (20.00%) JIRA
4 1 (20.00%) Requirements Analysis
4 1 (20.00%) Data Analysis
4 1 (20.00%) Git (software)
4 1 (20.00%) Amazon S3
4 1 (20.00%) Amazon AWS
4 1 (20.00%) Bash Shell
4 1 (20.00%) Confluence
4 1 (20.00%) hybris
4 1 (20.00%) Redis
4 1 (20.00%) Percona
4 1 (20.00%) Bitbucket
4 1 (20.00%) Jenkins
4 1 (20.00%) Amazon DynamoDB

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 1 (20.00%) Confluence
Cloud Services
1 1 (20.00%) Amazon AWS
1 1 (20.00%) Amazon CloudWatch
1 1 (20.00%) Amazon S3
1 1 (20.00%) Datadog
Communications & Networking
1 1 (20.00%) SSH
Database & Business Intelligence
1 4 (80.00%) SQL Server Integration Services
2 3 (60.00%) Data Warehouse
2 3 (60.00%) SQL Server
2 3 (60.00%) SQL Server Reporting Services
3 2 (40.00%) SQL Server Analysis Services
4 1 (20.00%) Amazon Aurora
4 1 (20.00%) Amazon DynamoDB
4 1 (20.00%) Amazon RDS
4 1 (20.00%) MySQL
4 1 (20.00%) Power BI
4 1 (20.00%) Redis
Development Applications
1 1 (20.00%) Bitbucket
1 1 (20.00%) Git (software)
1 1 (20.00%) Jenkins
1 1 (20.00%) JIRA
1 1 (20.00%) Visual Studio
General
1 1 (20.00%) Retail
Job Titles
1 3 (60.00%) Business Intelligence Lead
2 1 (20.00%) DBA
2 1 (20.00%) Developer
2 1 (20.00%) MySQL DBA
2 1 (20.00%) Report Developer
Libraries, Frameworks & Software Standards
1 2 (40.00%) MDX
2 1 (20.00%) .NET
Miscellaneous
1 2 (40.00%) Greenfield Project
2 1 (20.00%) Data Structures
2 1 (20.00%) Linux Command Line
Operating Systems
1 1 (20.00%) Linux
Processes & Methodologies
1 4 (80.00%) Business Intelligence
2 3 (60.00%) Data Modelling
2 3 (60.00%) Database Tuning
2 3 (60.00%) ETL
3 2 (40.00%) Line Management
3 2 (40.00%) Mentoring
4 1 (20.00%) Agile Software Development
4 1 (20.00%) Data Analysis
4 1 (20.00%) DevOps
4 1 (20.00%) Disaster Recovery
4 1 (20.00%) E-Commerce
4 1 (20.00%) Infrastructure Management
4 1 (20.00%) Proactive Monitoring
4 1 (20.00%) Requirements Analysis
4 1 (20.00%) SDLC
4 1 (20.00%) Task Automation
Programming Languages
1 4 (80.00%) SQL
2 3 (60.00%) T-SQL
3 1 (20.00%) Bash Shell
3 1 (20.00%) Shell Script
Qualifications
1 1 (20.00%) Security Cleared
Systems Management
1 1 (20.00%) Terraform
Vendors
1 3 (60.00%) Microsoft
2 1 (20.00%) hybris
2 1 (20.00%) Percona