Open Source Contracts

Open Source
UK

The table below provides summary statistics for contract job vacancies 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 8 May 2025, comparing them to the same period in the previous two years.

6 months to
8 May 2025
Same period 2024 Same period 2023
Rank 262 285 253
Rank change year-on-year +23 -32 -43
Contract jobs citing Open Source 301 342 607
As % of all contract jobs advertised in the UK 1.03% 0.79% 1.04%
As % of the Processes & Methodologies category 1.14% 0.92% 1.15%
Number of daily rates quoted 202 225 398
10th Percentile £400 £363 £437
25th Percentile £456 £450 £500
Median daily rate (50th Percentile) £563 £570 £600
Median % change year-on-year -1.32% -5.00% +4.35%
75th Percentile £663 £675 £688
90th Percentile £838 £775 £775
UK excluding London median daily rate £473 £598 £550
% change year-on-year -20.92% +8.64% +4.76%
Number of hourly rates quoted 1 7 5
10th Percentile - - £41.55
25th Percentile - £25.99 -
Median hourly rate £95.00 £55.00 £75.00
Median % change year-on-year +72.73% -26.67% +36.36%
75th Percentile - £72.90 -
90th Percentile - £75.24 £84.00
UK excluding London median hourly rate - £71.93 -

All Process and Methodology Skills
UK

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.

Contract vacancies with a requirement for process or methodology skills 26,476 37,215 52,661
As % of all contract IT jobs advertised in the UK 90.94% 86.29% 89.84%
Number of daily rates quoted 17,029 23,965 36,513
10th Percentile £306 £300 £325
25th Percentile £411 £413 £438
Median daily rate (50th Percentile) £520 £525 £550
Median % change year-on-year -0.95% -4.55% +3.77%
75th Percentile £630 £638 £650
90th Percentile £745 £750 £750
UK excluding London median daily rate £479 £500 £500
% change year-on-year -4.20% - +5.26%
Number of hourly rates quoted 1,078 2,429 1,738
10th Percentile £14.20 £12.75 £11.00
25th Percentile £18.26 £16.00 £16.25
Median hourly rate £28.68 £36.50 £36.00
Median % change year-on-year -21.44% +1.39% +44.00%
75th Percentile £60.09 £60.00 £65.00
90th Percentile £75.00 £72.50 £75.00
UK excluding London median hourly rate £27.13 £37.50 £35.00
% change year-on-year -27.67% +7.14% +75.00%

Open Source
Job Vacancy Trend

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

Job vacancy trend for Open Source in the UK

Open Source
Contractor Daily Rate Trend

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

Daily rate trend for Open Source in the UK

Open Source
Daily Rate Histogram

Daily rate distribution for jobs citing Open Source over the 6 months to 8 May 2025.

Daily rate histogram for Open Source in the UK

Open Source
Contractor Hourly Rate Trend

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

Hourly rate trend for Open Source in the UK

Open Source
Top 16 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 within the UK over the 6 months to 8 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
England +38 252 £600 +5.26% 873
London +92 166 £600 +20.00% 508
Work from Home +83 145 £600 +18.23% 519
UK excluding London -24 93 £473 -20.92% 480
Scotland +39 27 £525 -11.02% 31
North of England +9 25 £465 +3.33% 105
North West +7 16 £463 +15.63% 66
Midlands +18 15 £432 -36.07% 40
South East +16 13 £500 -13.04% 172
East of England +25 8 £400 +33.33% 79
West Midlands +12 8 £432 -21.55% 26
East Midlands +11 7 £413 -38.81% 10
Wales +6 5 £331 -66.88% 9
North East - 5 £465 - 11
Yorkshire -5 4 - - 29
South West -25 3 £625 +4.17% 56

Open Source
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:

Application Platforms
1 36 (11.96%) Apache
1 36 (11.96%) Apache Spark
2 33 (10.96%) Apache Airflow
3 7 (2.33%) OpenStack
4 5 (1.66%) Confluence
5 2 (0.66%) Camunda
5 2 (0.66%) CMS
5 2 (0.66%) Jupyter
5 2 (0.66%) Tomcat
6 1 (0.33%) Adobe Experience Manager
6 1 (0.33%) Drupal
6 1 (0.33%) IIS
6 1 (0.33%) JBoss
6 1 (0.33%) Microsoft Exchange
6 1 (0.33%) nginx
6 1 (0.33%) SAS
6 1 (0.33%) SharePoint
6 1 (0.33%) WebSphere
Applications
1 4 (1.33%) MS Visio
2 2 (0.66%) Chatbot
Business Applications
1 4 (1.33%) Sparx Enterprise Architect
2 3 (1.00%) Magento
2 3 (1.00%) Sage 200
3 2 (0.66%) Workday HCM
Cloud Services
1 158 (52.49%) AWS
2 53 (17.61%) Serverless
3 51 (16.94%) AWS Lambda
4 49 (16.28%) Azure
5 41 (13.62%) OpenShift
6 39 (12.96%) dbt
7 34 (11.30%) Amazon ECS
8 26 (8.64%) Amazon S3
9 24 (7.97%) GCP
10 22 (7.31%) AWS CloudFormation
10 22 (7.31%) GitHub
11 21 (6.98%) Amazon EKS
12 10 (3.32%) Azure DevOps
13 9 (2.99%) Entra ID
13 9 (2.99%) Power Platform
14 8 (2.66%) Amazon EC2
15 7 (2.33%) Amazon SQS
15 7 (2.33%) Kong
16 6 (1.99%) Amazon CloudWatch
16 6 (1.99%) Vertex AI
Communications & Networking
1 7 (2.33%) HTTPS
2 5 (1.66%) DNS
2 5 (1.66%) HTTP
3 3 (1.00%) Bluetooth
3 3 (1.00%) DHCP
3 3 (1.00%) TCP/IP
3 3 (1.00%) VPN
3 3 (1.00%) Wi-Fi
3 3 (1.00%) Wireless
4 2 (0.66%) MQTT
4 2 (0.66%) VSAN
5 1 (0.33%) 3G
5 1 (0.33%) 3GPP
5 1 (0.33%) 4G
5 1 (0.33%) 5G
5 1 (0.33%) InfiniBand
5 1 (0.33%) LTE
5 1 (0.33%) Multicast
5 1 (0.33%) Network Security
5 1 (0.33%) Radio Access Network
Database & Business Intelligence
1 45 (14.95%) Relational Database
2 42 (13.95%) MongoDB
3 36 (11.96%) Apache Cassandra
4 33 (10.96%) DB2
5 31 (10.30%) Amazon RDS
6 30 (9.97%) Apache Iceberg
7 28 (9.30%) Amazon Athena
7 28 (9.30%) Apache Arrow
7 28 (9.30%) Apache Ignite
7 28 (9.30%) Dremio
8 25 (8.31%) PostgreSQL
9 22 (7.31%) Big Data
10 15 (4.98%) Hadoop
10 15 (4.98%) NoSQL
11 11 (3.65%) MySQL
12 7 (2.33%) DynamoDB
12 7 (2.33%) SQL Server
13 6 (1.99%) Airbyte
13 6 (1.99%) Data Lake
14 5 (1.66%) Amazon Aurora
Development Applications
1 46 (15.28%) Jenkins
2 44 (14.62%) JUnit
3 38 (12.62%) Artifactory
4 37 (12.29%) Git
5 19 (6.31%) SonarQube
6 17 (5.65%) Selenium
7 14 (4.65%) Maven
8 12 (3.99%) JIRA
9 11 (3.65%) GitLab
10 7 (2.33%) gulp
10 7 (2.33%) HP UFT
10 7 (2.33%) Postman
10 7 (2.33%) REST Assured
10 7 (2.33%) Sonatype Nexus
11 4 (1.33%) Bitbucket Server
11 4 (1.33%) Cypress.io
11 4 (1.33%) DbUnit
11 4 (1.33%) IntelliJ
11 4 (1.33%) jMock
11 4 (1.33%) TestComplete
General
1 100 (33.22%) Finance
2 86 (28.57%) Social Skills
3 66 (21.93%) Analytical Skills
4 47 (15.61%) Front Office
5 38 (12.62%) Public Sector
6 34 (11.30%) Banking
7 27 (8.97%) Investment Banking
8 8 (2.66%) Telecoms
9 5 (1.66%) Financial Institution
9 5 (1.66%) Inclusion and Diversity
10 3 (1.00%) French Language
10 3 (1.00%) Presentation Skills
10 3 (1.00%) Publishing
11 2 (0.66%) Digital Health
11 2 (0.66%) Games
11 2 (0.66%) Marketing
11 2 (0.66%) Military
11 2 (0.66%) Retail
12 1 (0.33%) Influencing Skills
12 1 (0.33%) Organisational Skills
Job Titles
1 92 (30.56%) Developer
2 51 (16.94%) Senior
3 48 (15.95%) Architect
4 45 (14.95%) Java Developer
5 42 (13.95%) Data Engineer
6 39 (12.96%) AWS Engineer
7 37 (12.29%) Python Engineer
8 34 (11.30%) DevOps Engineer
9 31 (10.30%) AWS DevOps
9 31 (10.30%) AWS DevOps Engineer
10 26 (8.64%) Lead
11 19 (6.31%) AWS Architect
11 19 (6.31%) Investment Banking Java Developer
11 19 (6.31%) SQL Developer
12 18 (5.98%) Senior Developer
13 12 (3.99%) Linux Developer
13 12 (3.99%) Senior Investment Banking Java Developer
13 12 (3.99%) Senior Java Developer
13 12 (3.99%) Senior SQL Developer
14 11 (3.65%) Test Engineer
Libraries, Frameworks & Software Standards
1 123 (40.86%) Kafka
2 54 (17.94%) Spring
3 35 (11.63%) JMS
4 34 (11.30%) J2EE
4 34 (11.30%) PySpark
5 32 (10.63%) gRPC
6 23 (7.64%) REST
7 22 (7.31%) AngularJS
8 21 (6.98%) Node.js
9 18 (5.98%) Hibernate
10 16 (5.32%) Spring Boot
11 15 (4.98%) React
12 12 (3.99%) .NET
12 12 (3.99%) CSS
12 12 (3.99%) HTML
12 12 (3.99%) OAuth
12 12 (3.99%) SOAP
13 11 (3.65%) OpenID
14 9 (2.99%) Express.js
14 9 (2.99%) RabbitMQ
Miscellaneous
1 41 (13.62%) Distributed Systems
2 39 (12.96%) Data Structures
3 32 (10.63%) Equities
4 10 (3.32%) Public Cloud
5 9 (2.99%) Cloud Native
5 9 (2.99%) PKI
6 8 (2.66%) Self-Motivation
7 7 (2.33%) Taxonomies
8 6 (1.99%) Private Cloud
9 5 (1.66%) Derivative
9 5 (1.66%) Embedded Systems
9 5 (1.66%) NHS
9 5 (1.66%) Virtual Team
10 4 (1.33%) Data Protection Act
10 4 (1.33%) Equity Derivative
11 3 (1.00%) Data Centre
11 3 (1.00%) Mainframe
11 3 (1.00%) Management Information System
11 3 (1.00%) Replication
11 3 (1.00%) Tandem
Operating Systems
1 72 (23.92%) Linux
2 14 (4.65%) Windows
3 8 (2.66%) Windows Server
4 7 (2.33%) Ubuntu
4 7 (2.33%) Unix
5 3 (1.00%) Red Hat Enterprise Linux
6 1 (0.33%) Embedded Linux
6 1 (0.33%) Kali Linux
Processes & Methodologies
1 114 (37.87%) Agile
2 96 (31.89%) Software Engineering
3 82 (27.24%) Problem-Solving
4 71 (23.59%) DevOps
5 64 (21.26%) CI/CD
6 54 (17.94%) Microservices
7 48 (15.95%) Containerisation
8 39 (12.96%) Site Reliability Engineering
9 38 (12.62%) SDLC
9 38 (12.62%) Test Automation
10 35 (11.63%) Performance Tuning
11 34 (11.30%) Data Engineering
12 33 (10.96%) Mentoring
13 32 (10.63%) Database Tuning
14 31 (10.30%) Asset Management
14 31 (10.30%) Multithreading
15 28 (9.30%) High Availability
15 28 (9.30%) Stakeholder Management
16 23 (7.64%) Infrastructure as Code
17 21 (6.98%) Analytics
Programming Languages
1 133 (44.19%) Python
2 122 (40.53%) Java
3 73 (24.25%) Go
4 67 (22.26%) SQL
5 42 (13.95%) JavaScript
6 41 (13.62%) Shell Script
7 16 (5.32%) TypeScript
8 14 (4.65%) C#
9 8 (2.66%) PowerShell
10 6 (1.99%) R
10 6 (1.99%) SPARQL
11 5 (1.66%) Bash
12 4 (1.33%) Scala
13 3 (1.00%) Perl
13 3 (1.00%) PHP
13 3 (1.00%) Ruby
14 2 (0.66%) C
14 2 (0.66%) C++
14 2 (0.66%) Rust
15 1 (0.33%) Elixir
Qualifications
1 48 (15.95%) Security Cleared
2 34 (11.30%) SC Cleared
3 20 (6.64%) AWS Certification
3 20 (6.64%) AWS Certified Solutions Architect
3 20 (6.64%) Degree
4 8 (2.66%) Master's Degree
5 7 (2.33%) DV Cleared
6 2 (0.66%) CITP
6 2 (0.66%) Computer Science Degree
6 2 (0.66%) PhD
7 1 (0.33%) Azure Certification
7 1 (0.33%) CISA
7 1 (0.33%) CISM
7 1 (0.33%) CISSP
7 1 (0.33%) CRISC
7 1 (0.33%) ISEB
7 1 (0.33%) ISTQB
7 1 (0.33%) MCP
7 1 (0.33%) TOGAF Certification
Quality Assurance & Compliance
1 7 (2.33%) GDPR
2 4 (1.33%) Data Quality
2 4 (1.33%) Disclosure Scotland
2 4 (1.33%) NIST
2 4 (1.33%) WCAG
3 3 (1.00%) QA
4 2 (0.66%) Accessibility
4 2 (0.66%) NCSC
4 2 (0.66%) NIST 800
5 1 (0.33%) Actionable Recommendations
5 1 (0.33%) COBIT
5 1 (0.33%) ISO/IEC 27001
5 1 (0.33%) Sarbanes-Oxley
System Software
1 87 (28.90%) Docker
2 5 (1.66%) Active Directory
3 4 (1.33%) OpenAM
3 4 (1.33%) Postfix
4 2 (0.66%) VMware Infrastructure
4 2 (0.66%) VMware NSX
4 2 (0.66%) vSphere
5 1 (0.33%) Ceph
5 1 (0.33%) Gluster
5 1 (0.33%) GlusterFS
Systems Management
1 111 (36.88%) Kubernetes
2 69 (22.92%) Terraform
3 20 (6.64%) Ansible
4 12 (3.99%) Single Sign-On
5 7 (2.33%) Prometheus
5 7 (2.33%) Puppet
6 6 (1.99%) Grafana
7 4 (1.33%) Progress Chef
7 4 (1.33%) Systems Management Server (SMS)
8 1 (0.33%) Kibana
8 1 (0.33%) logstash
8 1 (0.33%) Nagios
Vendors
1 34 (11.30%) Sybase
2 29 (9.63%) Microsoft
3 22 (7.31%) Google
4 17 (5.65%) Databricks
5 8 (2.66%) ForgeRock
6 7 (2.33%) Ping Identity
7 6 (1.99%) Red Hat
8 5 (1.66%) Informatica
8 5 (1.66%) OpenAI
9 4 (1.33%) Atlassian
9 4 (1.33%) BiZZdesign
9 4 (1.33%) Bloomberg
9 4 (1.33%) Jaspersoft
9 4 (1.33%) Oracle
9 4 (1.33%) Reuters
9 4 (1.33%) Sparx
10 3 (1.00%) CA Agile Central
10 3 (1.00%) VMware
11 2 (0.66%) Mavenir
11 2 (0.66%) Workday