Period
to 22 September 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 22 September 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
22 Sep 2018
Same period 2017 Same period 2016
Rank 62 47 63
Rank change year-on-year -15 +16 -5
Contract jobs citing C 40 51 30
As % of all contract IT jobs advertised in Hertfordshire 2.46% 3.62% 2.08%
As % of the Programming Languages category 7.48% 9.51% 6.06%
Number of daily rates quoted 9 21 4
Hertfordshire median daily rate £400 £625 £431
Median daily rate % change year-on-year -36.00% +44.93% +23.21%
10th Percentile £249 £278 £378
90th Percentile £446 £875 £455
East of England median daily rate £450 £409 £425
% change year-on-year +10.09% -3.82% +21.43%
Number of hourly rates quoted 3 7 15
Hertfordshire median hourly rate £46.50 £37.50 £47.50
Median hourly rate % change year-on-year +24.00% -21.05% +21.79%
10th Percentile £44.75 £30.75 £42.40
90th Percentile £48.25 £49.10 £53.75
East of England median hourly rate £45.00 £42.00 £42.50
% change year-on-year +7.14% -1.18% +8.97%

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 535 536 495
As % of all contract IT jobs advertised in Hertfordshire 32.96% 38.01% 34.30%
Number of daily rates quoted 339 290 271
Hertfordshire median daily rate £400 £400 £375
Median daily rate % change year-on-year - +6.67% -
10th Percentile £248 £278 £225
90th Percentile £556 £588 £525
East of England median daily rate £425 £400 £375
% change year-on-year +6.25% +6.67% -
Number of hourly rates quoted 15 21 24
Hertfordshire median hourly rate £46.50 £20.76 £49.75
Median hourly rate % change year-on-year +124.04% -58.28% +53.08%
10th Percentile £12.98 £15.00 £19.73
90th Percentile £54.75 £46.50 £53.75
East of England median hourly rate £43.75 £40.00 £39.75
% change year-on-year +9.38% +0.63% +6.00%

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 22 September 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
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 22 September 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 26 £300 +5.26% 13
Hemel Hempstead -4 5 £350 - 2
Welwyn Garden City - 2 £408 - 1
Hatfield - 1 - - 1
C
East of England

For the 6 months to 22 September 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 27 (67.50%) Software Engineering
2 23 (57.50%) C++
3 17 (42.50%) Security Cleared
4 15 (37.50%) Configuration Management
4 15 (37.50%) Linux
5 14 (35.00%) UML
5 14 (35.00%) SC Cleared
5 14 (35.00%) Rational DOORS
5 14 (35.00%) Rational Rhapsody
5 14 (35.00%) Rational Team Concert
6 11 (27.50%) Wireshark
6 11 (27.50%) GDB
7 8 (20.00%) SQL
8 7 (17.50%) Java
8 7 (17.50%) MATLAB
8 7 (17.50%) Degree
8 7 (17.50%) Mathematics
9 6 (15.00%) Signal Processing
9 6 (15.00%) Simulink
9 6 (15.00%) Validation
9 6 (15.00%) Mathematical Modelling
10 5 (12.50%) Relational Database
10 5 (12.50%) VB
10 5 (12.50%) PL/SQL
10 5 (12.50%) Microsoft Excel
11 4 (10.00%) Test Scripting
11 4 (10.00%) Test Strategy
11 4 (10.00%) JMeter
11 4 (10.00%) Stateflow
11 4 (10.00%) MathWorks

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 (2.50%) Apache Spark
1 1 (2.50%) CMS
Applications
1 6 (15.00%) Simulink
2 5 (12.50%) Microsoft Excel
3 4 (10.00%) Stateflow
4 2 (5.00%) Microsoft Office
Business Applications
1 2 (5.00%) LabWindows
Cloud Services
1 2 (5.00%) Microsoft Azure
Communications & Networking
1 11 (27.50%) Wireshark
2 1 (2.50%) 5G
2 1 (2.50%) Cisco ASA
2 1 (2.50%) Firewall
2 1 (2.50%) FTP
2 1 (2.50%) Network Security
2 1 (2.50%) TCP/IP
2 1 (2.50%) VPN
Database & Business Intelligence
1 5 (12.50%) Relational Database
2 1 (2.50%) Hadoop
Development Applications
1 14 (35.00%) Rational DOORS
1 14 (35.00%) Rational Rhapsody
1 14 (35.00%) Rational Team Concert
2 11 (27.50%) GDB
3 4 (10.00%) JMeter
4 3 (7.50%) JIRA
4 3 (7.50%) Rational Statemate
4 3 (7.50%) Selenium
5 1 (2.50%) LabVIEW
5 1 (2.50%) LoadRunner
General
1 1 (2.50%) Advertising
1 1 (2.50%) Electronics
1 1 (2.50%) Law
1 1 (2.50%) Legal
1 1 (2.50%) Marketing
1 1 (2.50%) Retail
1 1 (2.50%) Telecoms
Job Titles
1 20 (50.00%) Software Engineer
2 13 (32.50%) C++ Software Engineer
3 5 (12.50%) Embedded Engineer
3 5 (12.50%) Embedded Software Engineer
4 3 (7.50%) Agile Tester
4 3 (7.50%) Automation Tester
4 3 (7.50%) Software Test Engineer
4 3 (7.50%) Test Engineer
4 3 (7.50%) Tester
5 2 (5.00%) .NET Developer
5 2 (5.00%) Angular Developer
5 2 (5.00%) ASP.NET MVC Developer
5 2 (5.00%) Azure Developer
5 2 (5.00%) C# Developer
5 2 (5.00%) Design Engineer
5 2 (5.00%) Senior .NET Developer
5 2 (5.00%) Senior C# .NET Developer
5 2 (5.00%) Senior C# Developer
5 2 (5.00%) Senior Developer
5 2 (5.00%) Software Design Engineer
Libraries, Frameworks & Software Standards
1 2 (5.00%) .NET
1 2 (5.00%) AngularJS
1 2 (5.00%) ASP.NET Web API
1 2 (5.00%) CSS
1 2 (5.00%) HTML
1 2 (5.00%) HTML5
1 2 (5.00%) Kafka
1 2 (5.00%) RabbitMQ
1 2 (5.00%) REST
1 2 (5.00%) Twitter Bootstrap
2 1 (2.50%) CSS3
2 1 (2.50%) JSF
2 1 (2.50%) LESS
2 1 (2.50%) Sass
Miscellaneous
1 4 (10.00%) Analytical Skills
2 2 (5.00%) Device Driver
3 1 (2.50%) ASIC
3 1 (2.50%) Blog
3 1 (2.50%) Clustering
3 1 (2.50%) Computer Science
3 1 (2.50%) Data Protection Act
3 1 (2.50%) Embedded Systems
3 1 (2.50%) Field-Programmable Gate Array
3 1 (2.50%) Greenfield Project
3 1 (2.50%) iPad
3 1 (2.50%) Management Information System
3 1 (2.50%) Podcast
Operating Systems
1 15 (37.50%) Linux
2 1 (2.50%) CentOS
2 1 (2.50%) HPUX
2 1 (2.50%) Red Hat Enterprise Linux
2 1 (2.50%) Solaris
2 1 (2.50%) Unix
2 1 (2.50%) Windows
2 1 (2.50%) Windows Server
Processes & Methodologies
1 27 (67.50%) Software Engineering
2 15 (37.50%) Configuration Management
3 14 (35.00%) UML
4 7 (17.50%) Mathematics
5 6 (15.00%) Mathematical Modelling
5 6 (15.00%) Signal Processing
5 6 (15.00%) Validation
6 4 (10.00%) Scenario Testing
6 4 (10.00%) Test Scripting
6 4 (10.00%) Test Strategy
7 3 (7.50%) Agile Software Development
7 3 (7.50%) Functional Testing
7 3 (7.50%) Infrastructure Management
7 3 (7.50%) Non-Functional Testing
7 3 (7.50%) Test Automation
8 2 (5.00%) Continuous Improvement
8 2 (5.00%) Defect Management
8 2 (5.00%) MVC
8 2 (5.00%) Operational Acceptance Testing
8 2 (5.00%) TDD
Programming Languages
1 23 (57.50%) C++
2 8 (20.00%) SQL
3 7 (17.50%) Java
3 7 (17.50%) MATLAB
4 5 (12.50%) PL/SQL
4 5 (12.50%) VB
5 3 (7.50%) Ada
5 3 (7.50%) Embedded C
5 3 (7.50%) Python
6 2 (5.00%) C#
6 2 (5.00%) JavaScript
7 1 (2.50%) ANSI C
7 1 (2.50%) Bash Shell
7 1 (2.50%) Embedded C++
7 1 (2.50%) Korn
7 1 (2.50%) Perl
7 1 (2.50%) R
7 1 (2.50%) Shell Script
Qualifications
1 17 (42.50%) Security Cleared
2 14 (35.00%) SC Cleared
3 7 (17.50%) Degree
4 2 (5.00%) ISTQB
4 2 (5.00%) ISTQB Foundation Certification
5 1 (2.50%) Computer Science Degree
5 1 (2.50%) DBS Check
5 1 (2.50%) Master's Degree
5 1 (2.50%) MCP
5 1 (2.50%) Microsoft Certification
5 1 (2.50%) OCP
5 1 (2.50%) Oracle Certification
Quality Assurance & Compliance
1 1 (2.50%) GDPR
1 1 (2.50%) MISRA
1 1 (2.50%) SLA
Systems Management
1 2 (5.00%) HP ALM
1 2 (5.00%) HP Quality Center
2 1 (2.50%) Ansible
2 1 (2.50%) FortiGate
2 1 (2.50%) Opscode Chef
2 1 (2.50%) Puppet
2 1 (2.50%) Salt
Vendors
1 4 (10.00%) MathWorks
2 3 (7.50%) HP
3 2 (5.00%) Microsoft
4 1 (2.50%) Cisco
4 1 (2.50%) Citrix
4 1 (2.50%) ConnectWise
4 1 (2.50%) Fortinet
4 1 (2.50%) NetApp
4 1 (2.50%) Oracle
4 1 (2.50%) Palo Alto
4 1 (2.50%) Red Hat
4 1 (2.50%) VMware