Open Source Job Trends in the Thames Valley

Open Source
South East > Thames Valley

The table below provides summary statistics and salary benchmarking for jobs advertised in the Thames Valley requiring Open Source skills. It covers permanent job vacancies from the 6 months leading up to 1 December 2025, with comparisons to the same periods in the previous two years.

6 months to
1 Dec 2025
Same period 2024 Same period 2023
Rank 160 124 148
Rank change year-on-year -36 +24 +44
Permanent jobs citing Open Source 11 71 39
As % of all permanent jobs in the Thames Valley 0.29% 1.73% 1.19%
As % of the Processes & Methodologies category 0.35% 1.99% 1.28%
Number of salaries quoted 9 33 31
10th Percentile £40,015 £40,000 £37,328
25th Percentile £51,250 £43,911 £37,815
Median annual salary (50th Percentile) £57,500 £50,000 £47,500
Median % change year-on-year +15.00% +5.26% -13.64%
75th Percentile £63,750 £73,750 £62,500
90th Percentile £80,000 £98,500 £85,000
South East median annual salary £59,000 £58,000 £48,000
% change year-on-year +1.72% +20.83% -12.73%

All Process and Methodology Skills
Thames Valley

Open Source falls under the Processes and Methodologies category. For comparison with the information above, the following table provides summary statistics for all permanent job vacancies requiring process or methodology skills in the Thames Valley.

Permanent vacancies with a requirement for process or methodology skills 3,153 3,567 3,040
As % of all permanent jobs advertised in the Thames Valley 83.99% 86.85% 93.02%
Number of salaries quoted 1,670 1,755 2,153
10th Percentile £28,225 £35,000 £31,300
25th Percentile £35,000 £44,500 £40,000
Median annual salary (50th Percentile) £47,500 £59,125 £55,000
Median % change year-on-year -19.66% +7.50% -
75th Percentile £66,063 £75,000 £70,000
90th Percentile £80,000 £87,500 £85,000
South East median annual salary £49,000 £56,517 £54,763
% change year-on-year -13.30% +3.20% -0.43%

Open Source
Job Vacancy Trend in the Thames Valley

Historical trend showing the proportion of permanent IT job postings citing Open Source relative to all permanent IT jobs advertised in the Thames Valley.

Open Source job vacancy trend in the Thames Valley

Open Source
Salary Trend in the Thames Valley

Salary distribution trend for jobs in the Thames Valley citing Open Source.

Salary distribution trend for jobs in the Thames Valley citing Open Source

Open Source
Salary Histogram in the Thames Valley

Salary distribution for jobs citing Open Source in the Thames Valley over the 6 months to 1 December 2025.

Salary histogram for Open Source in the Thames Valley

Open Source
Job Locations in the Thames Valley

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Open Source within the Thames Valley region over the 6 months to 1 December 2025. 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
Jobs
Berkshire -27 9 £56,430 -22.17% 3
Buckinghamshire +6 2 £78,750 +65.79% 1
Open Source
South East

Open Source
Co-Occurring Skills & Capabilities in the Thames Valley by Category

The following tables expand on the one above by listing co-occurrences grouped by category. They cover the same employment type, locality and period, with up to 20 co-occurrences shown in each category:

Application Platforms
1 2 (18.18%) Anypoint
Business Applications
1 1 (9.09%) Shopify
Cloud Services
1 2 (18.18%) Boomi
1 2 (18.18%) iPaaS
1 2 (18.18%) Microsoft 365
1 2 (18.18%) Workato
2 1 (9.09%) AWS
2 1 (9.09%) Azure
2 1 (9.09%) Power Automate
Database & Business Intelligence
1 1 (9.09%) Relational Database
Development Applications
1 2 (18.18%) Selenium
General
1 2 (18.18%) Law
1 2 (18.18%) Legal
1 2 (18.18%) Social Skills
Job Titles
1 5 (45.45%) Senior
2 4 (36.36%) Software Engineer
3 2 (18.18%) Infrastructure Engineer
3 2 (18.18%) Integration Engineer
3 2 (18.18%) Linux Engineer
3 2 (18.18%) Linux Infrastructure Engineer
3 2 (18.18%) Senior Software Engineer
4 1 (9.09%) Automation Tester
4 1 (9.09%) Cloud Engineer
4 1 (9.09%) Platform Engineer
4 1 (9.09%) Platform Integration Engineer
4 1 (9.09%) Senior Automation Tester
4 1 (9.09%) Senior Integration Engineer
4 1 (9.09%) Senior Test Automation Engineer
4 1 (9.09%) Senior Test Engineer
4 1 (9.09%) Senior Tester
4 1 (9.09%) Test Automation Engineer
4 1 (9.09%) Test Engineer
4 1 (9.09%) Tester
Libraries, Frameworks & Software Standards
1 2 (18.18%) Middleware
2 1 (9.09%) JSON
2 1 (9.09%) REST
2 1 (9.09%) RESTful
2 1 (9.09%) SOAP
2 1 (9.09%) Web Services
2 1 (9.09%) XML
Miscellaneous
1 4 (36.36%) Algorithms
2 1 (9.09%) Low-Code
Operating Systems
1 7 (63.64%) Linux
2 5 (45.45%) Unix
3 2 (18.18%) Windows
Processes & Methodologies
1 4 (36.36%) Computer Science
1 4 (36.36%) Mathematics
1 4 (36.36%) Parallel Programming
1 4 (36.36%) Performance Analysis
1 4 (36.36%) Physics
1 4 (36.36%) Proactive Monitoring
1 4 (36.36%) SDLC
1 4 (36.36%) Software Engineering
1 4 (36.36%) Software Testing
2 3 (27.27%) Agile
2 3 (27.27%) Continuous Improvement
3 2 (18.18%) ATDD
3 2 (18.18%) BDD
3 2 (18.18%) ERP
3 2 (18.18%) Incident Management
3 2 (18.18%) Manual Testing
3 2 (18.18%) Problem Management
3 2 (18.18%) Stakeholder Engagement
3 2 (18.18%) TDD
3 2 (18.18%) Test Automation
Programming Languages
1 5 (45.45%) Python
2 4 (36.36%) Bash
2 4 (36.36%) C
2 4 (36.36%) C++
2 4 (36.36%) Fortran
3 3 (27.27%) Java
4 1 (9.09%) C#
4 1 (9.09%) JavaScript
4 1 (9.09%) Shell Script
4 1 (9.09%) SQL
Qualifications
1 4 (36.36%) Degree
1 4 (36.36%) Master's Degree
1 4 (36.36%) PhD
2 2 (18.18%) Security Cleared
3 1 (9.09%) DV Cleared
3 1 (9.09%) SC Cleared
Quality Assurance & Compliance
1 2 (18.18%) Accessibility
1 2 (18.18%) GDPR
1 2 (18.18%) QA
System Software
1 1 (9.09%) Docker
Systems Management
1 1 (9.09%) Kubernetes
Vendors
1 4 (36.36%) IBM
2 2 (18.18%) Dell
2 2 (18.18%) Epicor
2 2 (18.18%) IFS
2 2 (18.18%) Infor
2 2 (18.18%) Informatica
2 2 (18.18%) Jitterbit
2 2 (18.18%) MuleSoft
2 2 (18.18%) Oracle
2 2 (18.18%) SAP
2 2 (18.18%) SnapLogic
2 2 (18.18%) Software AG
2 2 (18.18%) Talend
2 2 (18.18%) TIBCO
2 2 (18.18%) Workday