Open Source Development Contracts

Open Source Software Development
UK

The table below provides summary statistics for contract job vacancies requiring Open Source Development skills. It includes a benchmarking guide to the contractor rates offered in vacancies that cited Open Source Development over the 6 months leading up to 1 May 2025, comparing them to the same period in the previous two years.

6 months to
1 May 2025
Same period 2024 Same period 2023
Rank 519 579 708
Rank change year-on-year +60 +129 +143
Contract jobs citing Open Source Development 1 3 10
As % of all contract jobs advertised in the UK 0.003% 0.007% 0.017%
As % of the Processes & Methodologies category 0.004% 0.008% 0.019%
Number of daily rates quoted 1 0 1
10th Percentile - - -
25th Percentile £525 - £725
Median daily rate (50th Percentile) £550 - £750
Median % change year-on-year - - +9.09%
75th Percentile £575 - £775
90th Percentile - - -
UK excluding London median daily rate £550 - -

All Process and Methodology Skills
UK

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

Contract vacancies with a requirement for process or methodology skills 26,594 37,597 53,655
As % of all contract IT jobs advertised in the UK 90.84% 86.31% 89.91%
Number of daily rates quoted 17,149 24,227 37,238
10th Percentile £308 £300 £325
25th Percentile £413 £413 £438
Median daily rate (50th Percentile) £520 £525 £550
Median % change year-on-year -0.95% -4.55% +4.76%
75th Percentile £630 £638 £650
90th Percentile £743 £750 £750
UK excluding London median daily rate £483 £500 £500
% change year-on-year -3.50% - +5.26%
Number of hourly rates quoted 1,071 2,443 1,746
10th Percentile £14.41 £12.75 £11.00
25th Percentile £18.21 £16.00 £16.25
Median hourly rate £29.00 £35.65 £37.30
Median % change year-on-year -18.65% -4.42% +49.20%
75th Percentile £60.38 £59.98 £65.00
90th Percentile £75.00 £72.50 £75.00
UK excluding London median hourly rate £27.50 £37.34 £36.00
% change year-on-year -26.35% +3.72% +80.00%

Open Source Development
Job Vacancy Trend

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

Job vacancy trend for Open Source Development in the UK

Open Source Development
Contractor Daily Rate Trend

3-month moving average daily rate quoted in jobs citing Open Source Development.

Daily rate trend for Open Source Development in the UK

Open Source Development
Contractor Hourly Rate Trend

3-month moving average hourly rates quoted in jobs citing Open Source Development.

Hourly rate trend for Open Source Development in the UK

Open Source Development
Top 3 Contract Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Open Source Development within the UK over the 6 months to 1 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
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Jobs
Work from Home +41 1 £550 - 11
UK excluding London - 1 £550 - 14
Scotland - 1 £550 - 4

Open Source Development
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:

Database & Business Intelligence
1 1 (100.00%) DB2
1 1 (100.00%) MongoDB
1 1 (100.00%) Relational Database
Development Applications
1 1 (100.00%) JUnit
General
1 1 (100.00%) Analytical Skills
1 1 (100.00%) Finance
1 1 (100.00%) Financial Institution
1 1 (100.00%) Front Office
1 1 (100.00%) Social Skills
Job Titles
1 1 (100.00%) Developer
1 1 (100.00%) Java Developer
Libraries, Frameworks & Software Standards
1 1 (100.00%) JMS
1 1 (100.00%) Kafka
1 1 (100.00%) Spring
Miscellaneous
1 1 (100.00%) Data Structures
1 1 (100.00%) Distributed Systems
1 1 (100.00%) Equities
Operating Systems
1 1 (100.00%) Linux
Processes & Methodologies
1 1 (100.00%) Agile
1 1 (100.00%) Data Management
1 1 (100.00%) Database Tuning
1 1 (100.00%) Multithreading
1 1 (100.00%) Open Source
1 1 (100.00%) Performance Tuning
1 1 (100.00%) Problem-Solving
1 1 (100.00%) SDLC
1 1 (100.00%) Software Engineering
1 1 (100.00%) Unit Testing
Programming Languages
1 1 (100.00%) Java
1 1 (100.00%) Python
1 1 (100.00%) Shell Script
1 1 (100.00%) SQL
Vendors
1 1 (100.00%) Sybase