Period
to 21 February 2019

The following table provides summary statistics for contract job vacancies advertised in Hertfordshire with a requirement for RESTful skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited RESTful over the 6 months to 21 February 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.

RESTful
East of England > Hertfordshire
6 months to
21 Feb 2019
Same period 2018 Same period 2017
Rank 85 72 45
Rank change year-on-year -13 -27 +15
Contract jobs citing RESTful 12 30 51
As % of all contract IT jobs advertised in Hertfordshire 0.87% 1.95% 3.79%
As % of the Libraries, Frameworks & Software Standards category 3.51% 7.77% 13.39%
Number of daily rates quoted 14 9 39
Hertfordshire median daily rate £450 £425 £450
Median daily rate % change year-on-year +5.88% -5.56% +20.00%
10th Percentile £383 £368 £251
90th Percentile £502 £480 £538
East of England median daily rate £525 £475 £381
% change year-on-year +10.53% +24.59% -2.87%
Number of hourly rates quoted 0 0 0
Hertfordshire median hourly rate - - -
East of England median hourly rate £63.65 £62.50 £36.00
% change year-on-year +1.84% +73.61% -

RESTful is in the Software Libraries and Frameworks 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 technical specification, industry standards, software libraries and framework skills.

All Software Libraries and Frameworks
Hertfordshire
Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 342 386 381
As % of all contract IT jobs advertised in Hertfordshire 24.75% 25.05% 28.35%
Number of daily rates quoted 224 202 241
Hertfordshire median daily rate £425 £425 £438
Median daily rate % change year-on-year - -2.86% +16.67%
10th Percentile £300 £313 £263
90th Percentile £588 £550 £575
East of England median daily rate £450 £425 £400
% change year-on-year +5.88% +6.25% -
Number of hourly rates quoted 12 2 5
Hertfordshire median hourly rate £66.81 £13.61 £37.50
Median hourly rate % change year-on-year +390.89% -63.71% +41.51%
East of England median hourly rate £46.50 £45.00 £36.00
% change year-on-year +3.33% +25.00% -8.86%

RESTful
Job Vacancy Trend in Hertfordshire

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

Job vacancy trend for RESTful in Hertfordshire

RESTful
Contractor Daily Rate Trend in Hertfordshire

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

Contractor daily rate trend for RESTful in Hertfordshire

RESTful
Contractor Daily Rate Histogram in Hertfordshire

The daily rate distribution of IT jobs citing RESTful in Hertfordshire over the 6 months to 21 February 2019.

Contractor daily rate histogram for RESTful in Hertfordshire

RESTful
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 RESTful within the Hertfordshire region over the 6 months to 21 February 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
Watford +5 6 £400 -5.88% 7
Hatfield - 2 £413 -
Berkhamsted -1 1 £525 -
RESTful
East of England

For the 6 months to 21 February 2019, IT contractor jobs citing RESTful 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 RESTful.

1 10 (83.33%) JavaScript
2 8 (66.67%) JSON
2 8 (66.67%) Twitter Bootstrap
3 7 (58.33%) HTML
3 7 (58.33%) CSS
4 6 (50.00%) SQL
4 6 (50.00%) Ajax
4 6 (50.00%) HTML5
5 5 (41.67%) Git (software)
6 4 (33.33%) jQuery
6 4 (33.33%) MongoDB
6 4 (33.33%) NoSQL
6 4 (33.33%) PostgreSQL
6 4 (33.33%) Web Services
7 3 (25.00%) Agile Software Development
7 3 (25.00%) TDD
7 3 (25.00%) MVC
7 3 (25.00%) ES6
7 3 (25.00%) Front End Development
7 3 (25.00%) Vue.js
8 2 (16.67%) Redux
8 2 (16.67%) Migration
8 2 (16.67%) Team Foundation Server
8 2 (16.67%) Unit Testing
8 2 (16.67%) Data Migration
8 2 (16.67%) Entity Framework
8 2 (16.67%) API Development
8 2 (16.67%) API Integration
8 2 (16.67%) React
8 2 (16.67%) .NET Framework

RESTful
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:

Applications
1 1 (8.33%) Adobe Illustrator
1 1 (8.33%) Photoshop
Cloud Services
1 1 (8.33%) npm
Database & Business Intelligence
1 4 (33.33%) MongoDB
1 4 (33.33%) NoSQL
1 4 (33.33%) PostgreSQL
2 2 (16.67%) SQL Server
2 2 (16.67%) SQL Server Integration Services
Development Applications
1 5 (41.67%) Git (software)
2 2 (16.67%) Team Foundation Server
3 1 (8.33%) gulp
3 1 (8.33%) Hudson
3 1 (8.33%) Jasmine
3 1 (8.33%) Karma Test Runner
3 1 (8.33%) Visual Studio
General
1 1 (8.33%) Finance
Job Titles
1 12 (100.00%) Developer
2 3 (25.00%) Front End Developer (Client-Side Developer)
2 3 (25.00%) JavaScript Developer
3 2 (16.67%) .NET Developer
3 2 (16.67%) SQL Developer
4 1 (8.33%) Angular Developer
4 1 (8.33%) Applications Developer
4 1 (8.33%) ETL Developer
4 1 (8.33%) Java Developer
4 1 (8.33%) Senior Developer
4 1 (8.33%) Senior Java Developer
4 1 (8.33%) UI Developer
Libraries, Frameworks & Software Standards
1 8 (66.67%) JSON
1 8 (66.67%) Twitter Bootstrap
2 7 (58.33%) CSS
2 7 (58.33%) HTML
3 6 (50.00%) Ajax
3 6 (50.00%) HTML5
4 4 (33.33%) jQuery
4 4 (33.33%) Web Services
5 3 (25.00%) Vue.js
6 2 (16.67%) .NET
6 2 (16.67%) .NET Framework
6 2 (16.67%) ASP.NET
6 2 (16.67%) Entity Framework
6 2 (16.67%) React
6 2 (16.67%) Redux
6 2 (16.67%) XML
7 1 (8.33%) CSS3
7 1 (8.33%) Node.js
7 1 (8.33%) REST
7 1 (8.33%) Sass
Miscellaneous
1 1 (8.33%) Greenfield Project
1 1 (8.33%) User Experience
Processes & Methodologies
1 3 (25.00%) Agile Software Development
1 3 (25.00%) Front End Development
1 3 (25.00%) MVC
1 3 (25.00%) TDD
2 2 (16.67%) API Development
2 2 (16.67%) API Integration
2 2 (16.67%) Business Intelligence
2 2 (16.67%) Data Migration
2 2 (16.67%) ETL
2 2 (16.67%) Migration
2 2 (16.67%) Unit Testing
3 1 (8.33%) BDD
3 1 (8.33%) Cross-Browser Testing
3 1 (8.33%) Decision-Making
3 1 (8.33%) E-Commerce
3 1 (8.33%) Microservices
3 1 (8.33%) Mobile First
3 1 (8.33%) Open Source
3 1 (8.33%) Performance Improvement
3 1 (8.33%) Problem-Solving
Programming Languages
1 10 (83.33%) JavaScript
2 6 (50.00%) SQL
3 3 (25.00%) ES6
4 2 (16.67%) C#
5 1 (8.33%) ES7
5 1 (8.33%) Java
5 1 (8.33%) Java 8
System Software
1 1 (8.33%) Docker
Vendors
1 1 (8.33%) Oracle