Period
to 20 October 2018

The table below looks at the prevalence of the term Data Structures in contract job vacancies advertised in Hertfordshire. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Data Structures over the 6 months to 20 October 2018 with a comparison to the same period over 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.

Data Structures
East of England > Hertfordshire
6 months to
20 Oct 2018
Same period 2017 Same period 2016
Rank 95 98 88
Rank change year-on-year +3 -10 +14
Contract jobs citing Data Structures 5 2 6
As % of all contract IT jobs advertised in Hertfordshire 0.31% 0.13% 0.42%
As % of the Miscellaneous category 1.11% 0.39% 1.20%
Number of daily rates quoted 2 1 5
Hertfordshire median daily rate £638 £338 £475
Median daily rate % change year-on-year +88.89% -28.95% -
10th Percentile £614 £331 £463
90th Percentile £671 £344 £715
East of England median daily rate £450 £400 £350
% change year-on-year +12.50% +14.29% -17.65%
Number of hourly rates quoted 0 0 0
Hertfordshire median hourly rate - - -
East of England median hourly rate £45.00 - £25.00

Data Structures is in the Generic IT Skills 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 generic IT skills.

All Generic IT Skills
Hertfordshire
Contract vacancies with a requirement for generic IT skills 449 518 501
As % of all contract IT jobs advertised in Hertfordshire 28.26% 34.33% 35.26%
Number of daily rates quoted 264 246 266
Hertfordshire median daily rate £416 £375 £375
Median daily rate % change year-on-year +11.00% - -
10th Percentile £174 £179 £188
90th Percentile £588 £550 £538
East of England median daily rate £450 £400 £375
% change year-on-year +12.50% +6.67% -
Number of hourly rates quoted 26 28 16
Hertfordshire median hourly rate £21.00 £16.00 £16.75
Median hourly rate % change year-on-year +31.25% -4.48% -48.46%
10th Percentile £12.09 £12.36 £11.65
90th Percentile £50.63 £46.50 £33.75
East of England median hourly rate £17.50 £24.25 £23.50
% change year-on-year -27.84% +3.19% -5.65%

Data Structures
Job Vacancy Trend in Hertfordshire

Job postings citing Data Structures as a percentage of all IT jobs advertised in Hertfordshire.

Job vacancy trend for Data Structures in Hertfordshire

Data Structures
Contractor Daily Rate Trend in Hertfordshire

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

Contractor daily rate trend for Data Structures in Hertfordshire

Data Structures
Contractor Hourly Rate Trend in Hertfordshire

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing Data Structures in Hertfordshire.

Contractor hourly rate trend for Data Structures in Hertfordshire

Data Structures
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 Data Structures within the Hertfordshire region over the 6 months to 20 October 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 - 2 - -
Welwyn Garden City - 1 - -
Data Structures
East of England

For the 6 months to 20 October 2018, IT contractor jobs citing Data Structures 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 Data Structures.

1 2 (40.00%) MySQL
1 2 (40.00%) ITIL
1 2 (40.00%) Python
1 2 (40.00%) LAN
1 2 (40.00%) Sun
1 2 (40.00%) CA
1 2 (40.00%) Red Hat
1 2 (40.00%) Remedy
1 2 (40.00%) Service Management
1 2 (40.00%) ITSM
1 2 (40.00%) Data Integration
1 2 (40.00%) SC Cleared
1 2 (40.00%) Security Cleared
1 2 (40.00%) Git (software)
1 2 (40.00%) Hadoop
1 2 (40.00%) Open Source
1 2 (40.00%) Apache Hive
1 2 (40.00%) MapReduce
1 2 (40.00%) DNS
1 2 (40.00%) Mathematics
1 2 (40.00%) Remedy ITSM
1 2 (40.00%) Machine Learning
1 2 (40.00%) Big Data
1 2 (40.00%) Apache Pig
1 2 (40.00%) ServiceNow
1 2 (40.00%) CA Spectrum
1 2 (40.00%) Apache Spark
1 2 (40.00%) Algorithms
1 2 (40.00%) Mathematical Modelling
1 2 (40.00%) Data Science

Data Structures
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 2 (40.00%) Apache Pig
1 2 (40.00%) Apache Spark
2 1 (20.00%) CMS
Applications
1 1 (20.00%) Adobe Creative Suite
Business Applications
1 2 (40.00%) Remedy ITSM
Cloud Services
1 1 (20.00%) Google Analytics
Communications & Networking
1 2 (40.00%) DNS
1 2 (40.00%) LAN
2 1 (20.00%) SMS
Database & Business Intelligence
1 2 (40.00%) Apache Hive
1 2 (40.00%) Big Data
1 2 (40.00%) Hadoop
1 2 (40.00%) MySQL
2 1 (20.00%) Relational Database
Development Applications
1 2 (40.00%) Git (software)
General
1 1 (20.00%) Marketing
1 1 (20.00%) Retail
Job Titles
1 2 (40.00%) Analyst
1 2 (40.00%) Data Analyst
1 2 (40.00%) Data Scientist
1 2 (40.00%) Senior Data Scientist
2 1 (20.00%) Machine Learning Scientist
Libraries, Frameworks & Software Standards
1 1 (20.00%) CSS
1 1 (20.00%) HTML
Miscellaneous
1 2 (40.00%) Algorithms
Processes & Methodologies
1 2 (40.00%) Data Integration
1 2 (40.00%) Data Science
1 2 (40.00%) ITIL
1 2 (40.00%) ITSM
1 2 (40.00%) Machine Learning
1 2 (40.00%) MapReduce
1 2 (40.00%) Mathematical Modelling
1 2 (40.00%) Mathematics
1 2 (40.00%) Open Source
1 2 (40.00%) Service Management
2 1 (20.00%) Analytics
2 1 (20.00%) CRM
2 1 (20.00%) Direct Marketing
2 1 (20.00%) Personalization
2 1 (20.00%) Stakeholder Management
2 1 (20.00%) Web Development
Programming Languages
1 2 (40.00%) Python
2 1 (20.00%) JavaScript
Qualifications
1 2 (40.00%) SC Cleared
1 2 (40.00%) Security Cleared
Systems Management
1 2 (40.00%) CA Spectrum
Vendors
1 2 (40.00%) CA
1 2 (40.00%) Red Hat
1 2 (40.00%) Remedy
1 2 (40.00%) ServiceNow
1 2 (40.00%) Sun
2 1 (20.00%) Adobe
2 1 (20.00%) Fujitsu
2 1 (20.00%) Google
2 1 (20.00%) Omniture
2 1 (20.00%) Tableau