Period
to 20 July 2018

The following table provides summary statistics for contract job vacancies advertised in Hertfordshire with a requirement for C skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited C over the 6 months to 20 July 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.

C
East of England > Hertfordshire
6 months to
20 Jul 2018
Same period 2017 Same period 2016
Rank 54 53 63
Rank change year-on-year -1 +10 -7
Contract jobs citing C 45 41 26
As % of all contract IT jobs advertised in Hertfordshire 2.85% 3.21% 1.85%
As % of the Programming Languages category 8.36% 8.51% 6.65%
Number of daily rates quoted 10 14 5
Hertfordshire median daily rate £328 £525 £375
Median daily rate % change year-on-year -37.62% +40.00% +7.14%
10th Percentile £141 £325 £310
90th Percentile £439 £875 £436
East of England median daily rate £475 £425 £400
% change year-on-year +11.76% +6.25% +14.29%
Number of hourly rates quoted 5 13 11
Hertfordshire median hourly rate £42.00 £45.00 £45.00
Median hourly rate % change year-on-year -6.67% - +26.76%
10th Percentile £13.00 £30.75 £36.25
90th Percentile £45.75 £52.80 £53.75
East of England median hourly rate £42.50 £42.50 £37.50
% change year-on-year - +13.33% -

C is in the Programming Languages 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 coding skills.

All Programming Languages
Hertfordshire
Contract vacancies with a requirement for coding skills 538 482 391
As % of all contract IT jobs advertised in Hertfordshire 34.03% 37.77% 27.89%
Number of daily rates quoted 325 283 223
Hertfordshire median daily rate £400 £413 £388
Median daily rate % change year-on-year -3.03% +6.45% +6.90%
10th Percentile £214 £258 £261
90th Percentile £556 £585 £514
East of England median daily rate £425 £400 £375
% change year-on-year +6.25% +6.67% +2.74%
Number of hourly rates quoted 18 29 21
Hertfordshire median hourly rate £31.25 £42.50 £44.40
Median hourly rate % change year-on-year -26.47% -4.28% +36.62%
10th Percentile £12.25 £15.00 £11.62
90th Percentile £51.00 £53.15 £53.75
East of England median hourly rate £41.00 £40.00 £37.50
% change year-on-year +2.50% +6.67% -

C
Job Vacancy Trend in Hertfordshire

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

Job vacancy trend for C in Hertfordshire

C
Contractor Daily Rate Trend in Hertfordshire

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

Contractor daily rate trend for C in Hertfordshire

C
Contractor Daily Rate Histogram in Hertfordshire

The daily rate distribution of IT jobs citing C in Hertfordshire over the 6 months to 20 July 2018.

Contractor daily rate histogram for C in Hertfordshire

C
Contractor Hourly Rate Trend in Hertfordshire

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

Contractor hourly rate trend for C in Hertfordshire

C
Contractor Hourly Rate Histogram in Hertfordshire

The hourly rate distribution of IT jobs citing C in Hertfordshire over the 6 months to 20 July 2018.

Contractor hourly rate histogram for C in Hertfordshire

C
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 C within the Hertfordshire region over the 6 months to 20 July 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 +3 30 £145 - 19
Hemel Hempstead -8 4 £350 - 1
Welwyn Garden City - 3 £408 - 3
Hatfield - 3 - - 3
Watford -12 1 - - 1
C
East of England

For the 6 months to 20 July 2018, IT contractor jobs citing C 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 C.

1 26 (57.78%) Software Engineering
2 21 (46.67%) C++
3 17 (37.78%) Security Cleared
4 15 (33.33%) SC Cleared
5 14 (31.11%) Configuration Management
5 14 (31.11%) Linux
6 12 (26.67%) UML
6 12 (26.67%) Rational Rhapsody
6 12 (26.67%) Rational DOORS
6 12 (26.67%) Rational Team Concert
7 11 (24.44%) Degree
8 10 (22.22%) Validation
8 10 (22.22%) Wireshark
8 10 (22.22%) Java
8 10 (22.22%) GDB
9 8 (17.78%) SQL
9 8 (17.78%) Mathematics
10 7 (15.56%) Python
11 5 (11.11%) MATLAB
11 5 (11.11%) Electronics
11 5 (11.11%) Signal Processing
11 5 (11.11%) Mathematical Modelling
12 4 (8.89%) Problem-Solving
12 4 (8.89%) Analytical Skills
12 4 (8.89%) JIRA
12 4 (8.89%) Agile Software Development
12 4 (8.89%) Telecoms
12 4 (8.89%) Simulink
12 4 (8.89%) Microsoft
12 4 (8.89%) Microsoft Excel

C
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 (2.22%) Apache Spark
1 1 (2.22%) SharePoint
Applications
1 4 (8.89%) Microsoft Excel
1 4 (8.89%) Simulink
2 3 (6.67%) Stateflow
3 2 (4.44%) Microsoft Office
4 1 (2.22%) Microsoft PowerPoint
4 1 (2.22%) MS Visio
Business Applications
1 3 (6.67%) LabWindows
Cloud Services
1 2 (4.44%) Microsoft Azure
Communications & Networking
1 10 (22.22%) Wireshark
2 3 (6.67%) VPN
3 1 (2.22%) Cisco ASA
3 1 (2.22%) Firewall
3 1 (2.22%) Network Security
Database & Business Intelligence
1 3 (6.67%) Relational Database
2 1 (2.22%) Hadoop
Development Applications
1 12 (26.67%) Rational DOORS
1 12 (26.67%) Rational Rhapsody
1 12 (26.67%) Rational Team Concert
2 10 (22.22%) GDB
3 4 (8.89%) JIRA
4 3 (6.67%) JMeter
4 3 (6.67%) Rational Statemate
4 3 (6.67%) Selenium
5 2 (4.44%) Git (software)
6 1 (2.22%) CMake
6 1 (2.22%) Gerrit
6 1 (2.22%) LoadRunner
6 1 (2.22%) Subversion
6 1 (2.22%) Trac
General
1 5 (11.11%) Electronics
2 4 (8.89%) Telecoms
3 2 (4.44%) Advertising
4 1 (2.22%) Law
4 1 (2.22%) Legal
4 1 (2.22%) Marketing
4 1 (2.22%) Retail
Job Titles
1 20 (44.44%) Software Engineer
2 11 (24.44%) C++ Software Engineer
3 7 (15.56%) Test Engineer
4 5 (11.11%) Software Test Engineer
5 4 (8.89%) Support Engineer
6 3 (6.67%) Agile Tester
6 3 (6.67%) Automation Tester
6 3 (6.67%) Design Engineer
6 3 (6.67%) Embedded Engineer
6 3 (6.67%) Embedded Software Engineer
6 3 (6.67%) Software Design Engineer
6 3 (6.67%) Tester
7 2 (4.44%) Angular Developer
7 2 (4.44%) ASP.NET MVC Developer
7 2 (4.44%) Azure Developer
7 2 (4.44%) C# .NET Developer
7 2 (4.44%) Desktop Engineer
7 2 (4.44%) Senior .NET Developer
7 2 (4.44%) Senior C# .NET Developer
7 2 (4.44%) Senior C# Developer
Libraries, Frameworks & Software Standards
1 2 (4.44%) .NET
1 2 (4.44%) AngularJS
1 2 (4.44%) ASP.NET Web API
1 2 (4.44%) CSS
1 2 (4.44%) HTML
1 2 (4.44%) HTML5
1 2 (4.44%) Kafka
1 2 (4.44%) RabbitMQ
1 2 (4.44%) REST
1 2 (4.44%) Twitter Bootstrap
2 1 (2.22%) CSS3
2 1 (2.22%) LESS
2 1 (2.22%) Sass
Miscellaneous
1 4 (8.89%) Analytical Skills
2 3 (6.67%) ASIC
2 3 (6.67%) Computer Science
2 3 (6.67%) Field-Programmable Gate Array
2 3 (6.67%) iPad
3 2 (4.44%) Device Driver
4 1 (2.22%) Blog
4 1 (2.22%) Data Protection Act
4 1 (2.22%) Greenfield Project
4 1 (2.22%) PMI
4 1 (2.22%) Podcast
Operating Systems
1 14 (31.11%) Linux
2 4 (8.89%) Windows
3 2 (4.44%) Windows Server
4 1 (2.22%) FreeBSD
4 1 (2.22%) Red Hat Enterprise Linux
4 1 (2.22%) Windows 7
Processes & Methodologies
1 26 (57.78%) Software Engineering
2 14 (31.11%) Configuration Management
3 12 (26.67%) UML
4 10 (22.22%) Validation
5 8 (17.78%) Mathematics
6 5 (11.11%) Mathematical Modelling
6 5 (11.11%) Signal Processing
7 4 (8.89%) Agile Software Development
7 4 (8.89%) Problem-Solving
8 3 (6.67%) Functional Testing
8 3 (6.67%) ITIL
8 3 (6.67%) Non-Functional Testing
8 3 (6.67%) Scenario Testing
8 3 (6.67%) Schematic Capture
8 3 (6.67%) Test Automation
8 3 (6.67%) Test Scripting
8 3 (6.67%) Test Strategy
9 2 (4.44%) Continuous Integration
9 2 (4.44%) PRINCE2
9 2 (4.44%) Process Improvement
Programming Languages
1 21 (46.67%) C++
2 10 (22.22%) Java
3 8 (17.78%) SQL
4 7 (15.56%) Python
5 5 (11.11%) MATLAB
6 3 (6.67%) Ada
6 3 (6.67%) PL/SQL
6 3 (6.67%) VB
7 2 (4.44%) C#
7 2 (4.44%) Embedded C
7 2 (4.44%) JavaScript
8 1 (2.22%) R
Qualifications
1 17 (37.78%) Security Cleared
2 15 (33.33%) SC Cleared
3 11 (24.44%) Degree
4 2 (4.44%) Microsoft Certification
5 1 (2.22%) BPSS Clearance
5 1 (2.22%) Computer Science Degree
5 1 (2.22%) DBS Check
5 1 (2.22%) ISTQB
5 1 (2.22%) ISTQB Foundation Certification
5 1 (2.22%) Master's Degree
5 1 (2.22%) MCP
5 1 (2.22%) MCSE
5 1 (2.22%) OCP
5 1 (2.22%) Oracle Certification
5 1 (2.22%) PMI Certification
Quality Assurance & Compliance
1 3 (6.67%) SLA
2 1 (2.22%) ECSS
2 1 (2.22%) GDPR
Systems Management
1 1 (2.22%) FortiGate
1 1 (2.22%) NetBackup
Vendors
1 4 (8.89%) Microsoft
2 3 (6.67%) Citrix
2 3 (6.67%) MathWorks
3 1 (2.22%) Cisco
3 1 (2.22%) ConnectWise
3 1 (2.22%) Fortinet
3 1 (2.22%) HP
3 1 (2.22%) MKS
3 1 (2.22%) Oracle
3 1 (2.22%) Palo Alto
3 1 (2.22%) Red Hat
3 1 (2.22%) ServiceNow