Period
to 6 July 2020

The following table provides summary statistics for permanent job vacancies advertised in Hertfordshire with a requirement for Open Source skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Open Source over the 6 months to 6 July 2020 with a comparison to the same period in the previous 2 years.

Open Source
East of England > Hertfordshire
6 months to
6 Jul 2020
Same period 2019 Same period 2018
Rank 85 156 110
Rank change year-on-year +71 -46 +7
Permanent jobs citing Open Source 25 15 114
As % of all permanent jobs advertised in Hertfordshire 2.02% 0.51% 2.43%
As % of the Processes & Methodologies category 2.27% 0.59% 2.68%
Number of salaries quoted 22 7 96
Median annual salary £55,000 £55,000 £52,500
Median salary % change year-on-year - +4.76% -8.70%
10th Percentile £26,250 £45,000 £37,500
90th Percentile £65,000 £74,000 £67,500
East of England median annual salary £50,000 £47,500 £52,500
% change year-on-year +5.26% -9.52% +12.90%

Open Source is in the Processes and Methodologies category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in Hertfordshire with a requirement for process or methodology skills.

All Process and Methodology Skills
Hertfordshire
Permanent vacancies with a requirement for process or methodology skills 1,099 2,555 4,247
As % of all permanent IT jobs advertised in Hertfordshire 88.84% 86.26% 90.44%
Number of salaries quoted 869 1,910 3,475
Median annual salary £52,500 £50,000 £50,000
Median salary % change year-on-year +5.00% - +5.26%
10th Percentile £30,000 £27,500 £27,500
90th Percentile £82,500 £77,500 £72,500
East of England median annual salary £47,500 £50,000 £47,500
% change year-on-year -5.00% +5.26% +5.56%

Open Source
Job Vacancy Trend in Hertfordshire

Job postings citing Open Source as a proportion of all IT jobs advertised in Hertfordshire.

Job vacancy trend for Open Source in Hertfordshire

Open Source
Salary Trend in Hertfordshire

3-month moving average salary quoted in jobs citing Open Source in Hertfordshire.

Salary trend for Open Source in Hertfordshire

Open Source
Salary Histogram in Hertfordshire

Salary distribution for jobs citing Open Source in Hertfordshire over the 6 months to 6 July 2020.

Salary histogram for Open Source in Hertfordshire

Open Source
Job Locations in Hertfordshire

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Open Source within the Hertfordshire region over the 6 months to 6 July 2020. 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
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
St Albans - 7 £60,000 -
Watford +37 4 £55,000 -
Royston - 4 £27,500 -
Hatfield +18 3 - -
Hemel Hempstead +32 2 £40,000 -27.27%
Welwyn Garden City +23 2 £52,500 -12.50%
Borehamwood - 2 - -
Open Source
East of England

For the 6 months to 6 July 2020, IT jobs citing Open Source also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all permanent job ads across the Hertfordshire region with a requirement for Open Source.

1 18 (72.00%) JavaScript
2 16 (64.00%) HTML
3 14 (56.00%) CSS
4 13 (52.00%) Web Development
4 13 (52.00%) AngularJS
4 13 (52.00%) Docker
5 12 (48.00%) Agile Software Development
6 11 (44.00%) Scrum
6 11 (44.00%) Web Services
6 11 (44.00%) E-Commerce
7 10 (40.00%) C#
7 10 (40.00%) SQL Server
7 10 (40.00%) Problem-Solving
8 9 (36.00%) Linux
8 9 (36.00%) Finance
8 9 (36.00%) DevOps
9 8 (32.00%) ASP.NET Web API
9 8 (32.00%) Analytical Skills
9 8 (32.00%) Git (software)
9 8 (32.00%) Azure
9 8 (32.00%) TDD
9 8 (32.00%) Windows
9 8 (32.00%) .NET
9 8 (32.00%) Microsoft
9 8 (32.00%) .NET Core
10 7 (28.00%) Decision-Making
10 7 (28.00%) Multithreading
10 7 (28.00%) RESTful
10 7 (28.00%) RabbitMQ
10 7 (28.00%) REST

Open Source
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 4 (16.00%) Apache
2 1 (4.00%) Apache Pulsar
Business Applications
1 4 (16.00%) Magento
Cloud Services
1 8 (32.00%) Azure
2 1 (4.00%) Adobe Creative Cloud
2 1 (4.00%) Cloud Computing
2 1 (4.00%) SaaS
Communications & Networking
1 5 (20.00%) HTTP
2 2 (8.00%) DNS
2 2 (8.00%) Firewall
2 2 (8.00%) Skype
3 1 (4.00%) TCP/IP
Database & Business Intelligence
1 10 (40.00%) SQL Server
2 4 (16.00%) Relational Database
3 3 (12.00%) MySQL
4 2 (8.00%) Big Data
4 2 (8.00%) NoSQL
4 2 (8.00%) Oracle Reports
5 1 (4.00%) Cosmos DB
Development Applications
1 8 (32.00%) Git (software)
2 6 (24.00%) Jenkins
3 4 (16.00%) JIRA
3 4 (16.00%) Selenium
4 2 (8.00%) Atlassian Bamboo
4 2 (8.00%) Buildbot
4 2 (8.00%) Cucumber
4 2 (8.00%) Hudson
4 2 (8.00%) Postman
4 2 (8.00%) PVCS
4 2 (8.00%) SoapUI
4 2 (8.00%) Subversion
4 2 (8.00%) WebDriver
General
1 9 (36.00%) Finance
2 2 (8.00%) Games
2 2 (8.00%) Retail
Job Titles
1 18 (72.00%) Developer
2 8 (32.00%) .NET Developer
3 6 (24.00%) Cloud Developer
3 6 (24.00%) React Developer
3 6 (24.00%) Web Developer
4 5 (20.00%) Analyst
5 4 (16.00%) Junior
5 4 (16.00%) Junior Developer
5 4 (16.00%) Junior Web Developer
5 4 (16.00%) Magento Developer
6 2 (8.00%) Cyber Defence Analyst
6 2 (8.00%) DevOps Engineer
6 2 (8.00%) Integration Analyst
6 2 (8.00%) Integration Test Analyst
6 2 (8.00%) Lead Test Analyst
6 2 (8.00%) Senior Analyst
6 2 (8.00%) Test Analyst
6 2 (8.00%) Test Leader
7 1 (4.00%) .NET Software Engineer
7 1 (4.00%) Developer/Software Engineer
Libraries, Frameworks & Software Standards
1 16 (64.00%) HTML
2 14 (56.00%) CSS
3 13 (52.00%) AngularJS
4 11 (44.00%) Web Services
5 8 (32.00%) .NET
5 8 (32.00%) .NET Core
5 8 (32.00%) ASP.NET Web API
6 7 (28.00%) RabbitMQ
6 7 (28.00%) REST
6 7 (28.00%) RESTful
7 4 (16.00%) Django
7 4 (16.00%) LAMP
7 4 (16.00%) Node.js
7 4 (16.00%) React
7 4 (16.00%) Vue.js
7 4 (16.00%) XHTML
7 4 (16.00%) XSL
8 2 (8.00%) ASP.NET
8 2 (8.00%) Sass
8 2 (8.00%) XML
Miscellaneous
1 8 (32.00%) Analytical Skills
2 3 (12.00%) Cyber Defence
3 2 (8.00%) Data Centre
3 2 (8.00%) Mobile App
4 1 (4.00%) Cyberthreat
4 1 (4.00%) Greenfield Project
4 1 (4.00%) Management Information System
Operating Systems
1 9 (36.00%) Linux
2 8 (32.00%) Windows
3 2 (8.00%) CentOS
3 2 (8.00%) Debian
3 2 (8.00%) Red Hat Enterprise Linux
3 2 (8.00%) Unix
Processes & Methodologies
1 13 (52.00%) Web Development
2 12 (48.00%) Agile Software Development
3 11 (44.00%) E-Commerce
3 11 (44.00%) Scrum
4 10 (40.00%) Problem-Solving
5 9 (36.00%) DevOps
6 8 (32.00%) TDD
7 7 (28.00%) Concurrent Programming
7 7 (28.00%) Decision-Making
7 7 (28.00%) Microservices
7 7 (28.00%) Multithreading
7 7 (28.00%) SOLID
8 6 (24.00%) MVC
9 4 (16.00%) Continuous Integration
9 4 (16.00%) Front End Development
9 4 (16.00%) OO
9 4 (16.00%) OO PHP
10 3 (12.00%) Cybersecurity
10 3 (12.00%) OSINT
10 3 (12.00%) SIEM
Programming Languages
1 18 (72.00%) JavaScript
2 10 (40.00%) C#
3 7 (28.00%) TypeScript
4 4 (16.00%) PHP
4 4 (16.00%) Python
5 2 (8.00%) Bash Shell
5 2 (8.00%) Java
5 2 (8.00%) SQL
Qualifications
1 2 (8.00%) CISMP
1 2 (8.00%) ISTQB
1 2 (8.00%) SC Cleared
1 2 (8.00%) Security Cleared
Quality Assurance & Compliance
1 3 (12.00%) QA
System Software
1 13 (52.00%) Docker
2 2 (8.00%) VMware Infrastructure
Systems Management
1 3 (12.00%) Kubernetes
2 2 (8.00%) Ansible
Vendors
1 8 (32.00%) Microsoft
2 4 (16.00%) Zend
3 2 (8.00%) IBM
3 2 (8.00%) MuleSoft
3 2 (8.00%) Oracle
3 2 (8.00%) Red Hat
3 2 (8.00%) ServiceNow
3 2 (8.00%) VMware
4 1 (4.00%) Adobe