Supply Chain Levels for Software Artifacts (SLSA)
UK

The table below provides summary statistics for permanent job vacancies requiring SLSA skills. It includes a benchmarking guide to the annual salaries offered in vacancies that cited SLSA over the 6 months leading up to 30 May 2025, comparing them to the same period in the previous two years.

6 months to
30 May 2025
Same period 2024 Same period 2023
Rank 704 - -
Rank change year-on-year - - -
Permanent jobs citing SLSA 5 0 0
As % of all permanent jobs advertised in the UK 0.009% - -
As % of the Libraries, Frameworks & Software Standards category 0.053% - -
Number of salaries quoted 0 0 0
Median annual salary (50th Percentile) - - -
UK excluding London median annual salary - - -

All Software Libraries and Frameworks
UK

SLSA falls under the Software Libraries and Frameworks category. For comparison with the information above, the following table provides summary statistics for all permanent job vacancies requiring technical specification, industry standards, software libraries and framework skills.

Permanent vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 9,499 21,396 29,097
As % of all permanent jobs advertised in the UK 17.14% 20.72% 29.95%
Number of salaries quoted 5,834 15,919 18,040
10th Percentile £38,750 £36,250 £40,810
25th Percentile £51,250 £45,000 £50,500
Median annual salary (50th Percentile) £66,206 £60,000 £67,500
Median % change year-on-year +10.34% -11.11% +3.85%
75th Percentile £86,250 £78,750 £87,500
90th Percentile £111,250 £100,000 £106,250
UK excluding London median annual salary £60,000 £55,000 £57,500
% change year-on-year +9.09% -4.35% +4.55%

SLSA
Job Vacancy Trend

Job postings citing SLSA as a proportion of all IT jobs advertised.

Job vacancy trend for SLSA in the UK

SLSA
Top 2 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing SLSA within the UK over the 6 months to 30 May 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
London - 5 - -
England - 5 - -

SLSA
Co-occurring Skills and Capabilities by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same employment type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Cloud Services
1 5 (100.00%) GitHub
Job Titles
1 5 (100.00%) Security Engineer
1 5 (100.00%) Software Engineer
Miscellaneous
1 5 (100.00%) Blog
Processes & Methodologies
1 5 (100.00%) Application Security
1 5 (100.00%) Cybersecurity
1 5 (100.00%) DevSecOps
1 5 (100.00%) Information Security
1 5 (100.00%) Open Source
1 5 (100.00%) Pair Programming
1 5 (100.00%) Secure Coding
1 5 (100.00%) Software Engineering
Quality Assurance & Compliance
1 5 (100.00%) NIST