Open Source Contracts in Central London

Open Source
London > Central London

The table below provides summary statistics for contract job vacancies advertised in Central London requiring Open Source skills. It includes a benchmarking guide to the contractor rates offered in vacancies that cited Open Source 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 109 108 138
Rank change year-on-year -1 +30 +1
Contract jobs citing Open Source 20 25 34
As % of all contract jobs advertised in Central London 1.00% 1.02% 0.88%
As % of the Processes & Methodologies category 1.08% 1.13% 0.96%
Number of daily rates quoted 18 13 19
10th Percentile - £414 £505
25th Percentile £413 £425 £520
Median daily rate (50th Percentile) £525 £500 £600
Median % change year-on-year +4.95% -16.67% +4.35%
75th Percentile £675 £738 £713
90th Percentile £711 £820 £811
London median daily rate £600 £506 £675
% change year-on-year +18.52% -25.00% +8.00%

All Process and Methodology Skills
Central London

Open Source 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 in Central London.

Contract vacancies with a requirement for process or methodology skills 1,856 2,215 3,533
As % of all contract IT jobs advertised in Central London 92.94% 90.56% 91.65%
Number of daily rates quoted 1,197 1,573 2,397
10th Percentile £363 £350 £325
25th Percentile £456 £450 £463
Median daily rate (50th Percentile) £565 £550 £600
Median % change year-on-year +2.73% -8.33% +5.26%
75th Percentile £675 £688 £725
90th Percentile £774 £800 £825
London median daily rate £550 £550 £590
% change year-on-year - -6.78% +2.61%
Number of hourly rates quoted 24 25 28
10th Percentile £22.00 £20.04 £15.43
25th Percentile £22.75 £22.50 £18.50
Median hourly rate £29.07 £27.81 £35.00
Median % change year-on-year +4.53% -20.54% -14.63%
75th Percentile £43.97 £33.00 £58.75
90th Percentile £50.75 £46.89 £88.30
London median hourly rate £31.67 £29.50 £38.13
% change year-on-year +7.36% -22.62% +5.90%

Open Source
Job Vacancy Trend in Central London

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

Job vacancy trend for Open Source in Central London

Open Source
Contractor Daily Rate Trend in Central London

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

Daily rate trend for Open Source in Central London

Open Source
Daily Rate Histogram in Central London

Daily rate distribution for jobs citing Open Source in Central London over the 6 months to 1 May 2025.

Daily rate histogram for Open Source in Central London

Open Source
Contractor Hourly Rate Trend in Central London

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

Hourly rate trend for Open Source in Central London

Open Source
Contract Job Locations in Central London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Open Source within the Central London region 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
City of London +5 20 £525 +4.95% 12
Open Source
London

Open Source
Co-occurring Skills and Capabilities in Central London 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:

Application Platforms
1 4 (20.00%) OpenStack
2 1 (5.00%) IIS
2 1 (5.00%) SharePoint
Cloud Services
1 12 (60.00%) AWS
2 2 (10.00%) Cloud Computing
2 2 (10.00%) dbt
3 1 (5.00%) Amazon Cognito
3 1 (5.00%) Amazon EKS
3 1 (5.00%) AWS Lambda
3 1 (5.00%) GitHub
3 1 (5.00%) Serverless
Communications & Networking
1 2 (10.00%) HTTP
2 1 (5.00%) DHCP
2 1 (5.00%) DNS
2 1 (5.00%) Multicast
2 1 (5.00%) TCP/IP
2 1 (5.00%) VPN
Database & Business Intelligence
1 4 (20.00%) PostgreSQL
2 3 (15.00%) Relational Database
3 2 (10.00%) Airbyte
4 1 (5.00%) Amazon RDS
4 1 (5.00%) DynamoDB
4 1 (5.00%) MySQL
4 1 (5.00%) SQL Server
Development Applications
1 7 (35.00%) Git
1 7 (35.00%) Jenkins
1 7 (35.00%) JIRA
1 7 (35.00%) Postman
1 7 (35.00%) REST Assured
1 7 (35.00%) Selenium
2 1 (5.00%) JMeter
2 1 (5.00%) MLflow
General
1 10 (50.00%) Finance
2 2 (10.00%) Financial Institution
3 1 (5.00%) Social Skills
Job Titles
1 8 (40.00%) Senior
2 7 (35.00%) Python Engineer
2 7 (35.00%) Test Engineer
3 6 (30.00%) Senior Test Engineer
4 4 (20.00%) Lead
5 3 (15.00%) Cloud Engineer
6 2 (10.00%) Artificial Intelligence Engineer
6 2 (10.00%) AWS Engineer
6 2 (10.00%) Data Engineer
6 2 (10.00%) Full-Stack Engineer
6 2 (10.00%) Senior Data Engineer
7 1 (5.00%) Analyst
7 1 (5.00%) Architect
7 1 (5.00%) Implementation Manager
7 1 (5.00%) Infrastructure Engineer
7 1 (5.00%) Lead Infrastructure Engineer
7 1 (5.00%) Non-Functional Test Analyst
7 1 (5.00%) Platform Engineer
7 1 (5.00%) Test Analyst
Libraries, Frameworks & Software Standards
1 9 (45.00%) REST
2 7 (35.00%) pytest
3 1 (5.00%) Elastic Stack
3 1 (5.00%) FIX Protocol
3 1 (5.00%) Node.js
3 1 (5.00%) RESTful
3 1 (5.00%) WebSockets
Miscellaneous
1 4 (20.00%) Private Cloud
2 1 (5.00%) Distributed Systems
2 1 (5.00%) Public Cloud
2 1 (5.00%) SWIFT Messaging Network
Operating Systems
1 6 (30.00%) Linux
2 1 (5.00%) Unix
2 1 (5.00%) Windows
Processes & Methodologies
1 9 (45.00%) CI/CD
2 7 (35.00%) API Testing
2 7 (35.00%) BDD
2 7 (35.00%) Test Automation
2 7 (35.00%) Test Scripting
2 7 (35.00%) Test Strategy
3 4 (20.00%) Capacity Planning
4 3 (15.00%) Containerisation
4 3 (15.00%) Infrastructure as Code
5 2 (10.00%) Artificial Intelligence
5 2 (10.00%) Cybersecurity
5 2 (10.00%) Data Pipeline
5 2 (10.00%) ETL
5 2 (10.00%) Full-Stack Development
5 2 (10.00%) Generative AI
5 2 (10.00%) LLM
5 2 (10.00%) Machine Learning
5 2 (10.00%) Platform Engineering
5 2 (10.00%) RDF
6 1 (5.00%) Project Management
Programming Languages
1 12 (60.00%) Python
2 2 (10.00%) SPARQL
2 2 (10.00%) TypeScript
3 1 (5.00%) Clojure
3 1 (5.00%) Elixir
3 1 (5.00%) Go
3 1 (5.00%) Haskell
3 1 (5.00%) Java
3 1 (5.00%) JavaScript
3 1 (5.00%) Perl
3 1 (5.00%) Rust
3 1 (5.00%) Scala
3 1 (5.00%) Shell Script
3 1 (5.00%) SQL
Qualifications
1 1 (5.00%) SC Cleared
1 1 (5.00%) Security Cleared
Quality Assurance & Compliance
1 1 (5.00%) Accessibility
System Software
1 1 (5.00%) Docker
Systems Management
1 5 (25.00%) Kubernetes
2 1 (5.00%) Terraform