Open Source Contract Job Trends in England

Open Source
UK > England

The table below provides summary statistics and contractor rates for jobs advertised in England requiring Open Source skills. It covers contract job vacancies from the 6 months leading up to 14 December 2025, with comparisons to the same periods in the previous two years.

6 months to
14 Dec 2025
Same period 2024 Same period 2023
Rank 282 312 252
Rank change year-on-year +30 -60 -7
Contract jobs citing Open Source 293 207 348
As % of all contract jobs in England 0.94% 0.71% 0.92%
As % of the Processes & Methodologies category 1.06% 0.80% 1.04%
Number of daily rates quoted 137 127 217
10th Percentile £321 £323 £250
25th Percentile £413 £425 £450
Median daily rate (50th Percentile) £525 £575 £575
Median % change year-on-year -8.70% - -
75th Percentile £644 £675 £669
90th Percentile £750 £838 £753
UK median daily rate £525 £573 £570
% change year-on-year -8.30% +0.44% -2.98%
Number of hourly rates quoted 4 5 11
10th Percentile - £25.70 -
25th Percentile £15.25 £26.00 £19.99
Median hourly rate £36.00 £26.50 £21.25
Median % change year-on-year +35.85% +24.71% -59.72%
75th Percentile £61.88 £27.00 £22.52
90th Percentile £63.00 £67.80 -
UK median hourly rate £36.00 £26.00 £21.25
% change year-on-year +38.46% +22.35% -59.72%

All Process and Methodology Skills
England

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 England.

Contract vacancies with a requirement for process or methodology skills 27,668 25,905 33,491
As % of all contract IT jobs advertised in England 89.00% 88.32% 88.79%
Number of daily rates quoted 17,615 15,999 22,793
10th Percentile £300 £310 £313
25th Percentile £406 £418 £425
Median daily rate (50th Percentile) £506 £525 £545
Median % change year-on-year -3.62% -3.67% -0.91%
75th Percentile £625 £650 £650
90th Percentile £725 £750 £750
UK median daily rate £500 £525 £531
% change year-on-year -4.76% -1.13% -3.45%
Number of hourly rates quoted 1,810 882 1,400
10th Percentile £15.00 £15.54 £14.74
25th Percentile £17.87 £20.30 £19.06
Median hourly rate £25.15 £35.00 £44.25
Median % change year-on-year -28.14% -20.90% +18.63%
75th Percentile £53.75 £65.00 £65.00
90th Percentile £69.26 £74.99 £77.50
UK median hourly rate £25.15 £33.00 £42.50
% change year-on-year -23.79% -22.35% +21.43%

Open Source
Job Vacancy Trend in England

Historical trend showing the proportion of contract IT job postings citing Open Source relative to all contract IT jobs advertised in England.

Open Source job vacancy trend in England

Open Source
Daily Rate Trend in England

Contractor daily rate distribution trend for jobs in England citing Open Source.

Contractor daily rate distribution trend for jobs in England citing Open Source

Open Source
Daily Rate Histogram in England

Daily rate distribution for jobs citing Open Source in England over the 6 months to 14 December 2025.

Daily rate histogram for Open Source in England

Open Source
Hourly Rate Trend in England

Contractor hourly rate distribution trend for jobs in England citing Open Source.

Contractor hourly rate distribution trend for jobs in England citing Open Source

Open Source
Hourly Rate Histogram in England

Hourly rate distribution of jobs citing Open Source in England over the 6 months to 14 December 2025.

Hourly rate histogram for Open Source in England

Open Source
Contract Job Locations in England

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 England region over the 6 months to 14 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
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Jobs
London +23 145 £600 -2.04% 106
North of England 0 49 £450 -23.40% 69
South East +11 27 £600 +30.43% 94
Yorkshire -28 24 £525 -10.64% 29
North West +1 23 £450 - 37
South West -3 14 £350 -41.91% 43
Midlands -31 12 £430 -28.33% 51
West Midlands -30 11 £435 -27.50% 25
East of England -33 4 £553 +50.99% 51
North East -9 3 - - 3
East Midlands - 1 £420 - 23
Open Source
UK

Open Source
Co-Occurring Skills & Capabilities in England 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 12 (4.10%) Apache
2 10 (3.41%) Apache Spark
2 10 (3.41%) JBoss
3 9 (3.07%) WebLogic
4 5 (1.71%) Appian
4 5 (1.71%) Confluence
5 4 (1.37%) Adobe Experience Manager
6 3 (1.02%) Ethereum
6 3 (1.02%) Hyperledger
7 2 (0.68%) Apache Airflow
7 2 (0.68%) CMS
7 2 (0.68%) OpenStack
7 2 (0.68%) Tomcat
8 1 (0.34%) Camunda
8 1 (0.34%) Drupal
8 1 (0.34%) Liferay
8 1 (0.34%) Mattermost
Applications
1 2 (0.68%) Microsoft Office
Business Applications
1 1 (0.34%) Oracle EBS
1 1 (0.34%) Oracle EBS R12
Cloud Services
1 142 (48.46%) AWS
2 48 (16.38%) Azure
3 24 (8.19%) GitHub
4 17 (5.80%) GCP
5 14 (4.78%) CloudFront
5 14 (4.78%) GitHub Actions
6 12 (4.10%) Amazon S3
7 11 (3.75%) Cloud Computing
8 9 (3.07%) Azure AKS
8 9 (3.07%) Serverless
9 8 (2.73%) Amazon Bedrock
9 8 (2.73%) Azure DevOps
9 8 (2.73%) OpenShift
10 7 (2.39%) Vertex AI
11 5 (1.71%) Amazon EKS
11 5 (1.71%) AWS Step Functions
11 5 (1.71%) Azure AI
11 5 (1.71%) Tricentis Tosca
12 4 (1.37%) Anthropic Claude
12 4 (1.37%) SaaS
Communications & Networking
1 13 (4.44%) Firewall
2 4 (1.37%) Internet
3 3 (1.02%) DHCP
3 3 (1.02%) Ethernet
3 3 (1.02%) SSH
3 3 (1.02%) TCP/IP
3 3 (1.02%) VLAN
4 1 (0.34%) DNS
4 1 (0.34%) HTTP
4 1 (0.34%) InfiniBand
4 1 (0.34%) iSCSI
4 1 (0.34%) Kerberos
4 1 (0.34%) LAN
4 1 (0.34%) Radio Access Network
4 1 (0.34%) RTP
4 1 (0.34%) SMTP
4 1 (0.34%) Spanning Tree
4 1 (0.34%) STUN
4 1 (0.34%) VXLAN
4 1 (0.34%) WAN
Database & Business Intelligence
1 58 (19.80%) Apache Cassandra
2 27 (9.22%) PostgreSQL
3 24 (8.19%) MongoDB
4 22 (7.51%) Relational Database
5 18 (6.14%) NoSQL
6 13 (4.44%) DB2
7 11 (3.75%) Redis
8 7 (2.39%) RDBMS
9 6 (2.05%) Pinecone
10 5 (1.71%) Couchbase
10 5 (1.71%) DynamoDB
10 5 (1.71%) Metadata
10 5 (1.71%) SQL Server
11 4 (1.37%) Apache Hive
11 4 (1.37%) Hadoop
11 4 (1.37%) Impala
11 4 (1.37%) Weaviate
12 3 (1.02%) Big Data
12 3 (1.02%) BigQuery
13 2 (0.68%) Elasticsearch
Development Applications
1 29 (9.90%) Git
2 23 (7.85%) JUnit
3 21 (7.17%) Jenkins
4 15 (5.12%) GitLab
5 13 (4.44%) Selenium
6 9 (3.07%) Cucumber
6 9 (3.07%) Eclipse
6 9 (3.07%) IntelliJ
6 9 (3.07%) JIRA
7 8 (2.73%) MLflow
7 8 (2.73%) SonarQube
8 7 (2.39%) Mocha
9 5 (1.71%) Robot Framework
10 4 (1.37%) Subversion
11 3 (1.02%) Cypress.io
11 3 (1.02%) ESLint
11 3 (1.02%) Gradle
11 3 (1.02%) Hudson
11 3 (1.02%) Jasmine
11 3 (1.02%) KGDB
General
1 64 (21.84%) Social Skills
2 53 (18.09%) Finance
3 37 (12.63%) Analytical Skills
4 31 (10.58%) Banking
5 23 (7.85%) Public Sector
6 19 (6.48%) Investment Banking
7 12 (4.10%) Front Office
8 9 (3.07%) Telecoms
9 8 (2.73%) Influencing Skills
10 6 (2.05%) Documentation Skills
10 6 (2.05%) Financial Institution
11 5 (1.71%) Marketing
11 5 (1.71%) Presentation Skills
11 5 (1.71%) Publishing
12 4 (1.37%) Organisational Skills
13 3 (1.02%) Legal
14 2 (0.68%) Electronics
14 2 (0.68%) Inclusion and Diversity
14 2 (0.68%) Manufacturing
14 2 (0.68%) Military
Job Titles
1 114 (38.91%) Developer
2 86 (29.35%) Senior
3 52 (17.75%) Senior Developer
4 29 (9.90%) Platform Engineer
5 25 (8.53%) Software Engineer
6 24 (8.19%) Architect
7 17 (5.80%) Artificial Intelligence Engineer
7 17 (5.80%) Java Developer
8 14 (4.78%) Android Developer
8 14 (4.78%) Senior Java Developer
9 12 (4.10%) Investment Banking Java Developer
9 12 (4.10%) Linux Developer
9 12 (4.10%) Senior Investment Banking Java Developer
9 12 (4.10%) Senior SQL Developer
9 12 (4.10%) SQL Developer
10 10 (3.41%) Senior Platform Engineer
11 9 (3.07%) Lead
11 9 (3.07%) Software Developer
12 8 (2.73%) Front-End Developer (Client-Side Developer)
12 8 (2.73%) Solutions Architect
Libraries, Frameworks & Software Standards
1 97 (33.11%) Kafka
2 74 (25.26%) gRPC
3 29 (9.90%) React
4 28 (9.56%) Spring
5 26 (8.87%) HTML
6 25 (8.53%) REST
7 20 (6.83%) PyTorch
8 17 (5.80%) CSS
9 16 (5.46%) HTML5
9 16 (5.46%) Node.js
9 16 (5.46%) TensorFlow
10 15 (5.12%) JSON
10 15 (5.12%) LangChain
11 14 (4.78%) Android SDK
11 14 (4.78%) Hugging Face
11 14 (4.78%) XML
12 13 (4.44%) Jest
12 13 (4.44%) JMS
13 11 (3.75%) J2EE
14 10 (3.41%) Android Jetpack
Miscellaneous
1 64 (21.84%) Distributed Systems
2 18 (6.14%) Equities
3 13 (4.44%) Data Structures
3 13 (4.44%) Distributed Computing
4 12 (4.10%) Cloud Native
5 11 (3.75%) Onboarding
5 11 (3.75%) PKI
6 10 (3.41%) Fat Client
6 10 (3.41%) Thin Client
7 9 (3.07%) Product Ownership
8 7 (2.39%) Private Cloud
8 7 (2.39%) Public Cloud
9 6 (2.05%) Cyber Threat
9 6 (2.05%) Derivative
9 6 (2.05%) Fixed Income
9 6 (2.05%) Foreign Exchange (FX)
9 6 (2.05%) Hedge funds
10 5 (1.71%) Cyber Kill Chain
10 5 (1.71%) Hybrid Cloud
10 5 (1.71%) Security Posture
Operating Systems
1 41 (13.99%) Linux
2 23 (7.85%) Windows
3 20 (6.83%) Android
4 14 (4.78%) Unix
5 10 (3.41%) Windows 7
6 6 (2.05%) Apple iOS
6 6 (2.05%) Red Hat Enterprise Linux
7 5 (1.71%) Windows Server
8 3 (1.02%) CentOS
9 1 (0.34%) Kali Linux
9 1 (0.34%) Mac OS
9 1 (0.34%) Oracle Linux
9 1 (0.34%) Ubuntu
9 1 (0.34%) VMS
Processes & Methodologies
1 114 (38.91%) Software Engineering
2 82 (27.99%) Microservices
3 72 (24.57%) Agile
4 68 (23.21%) CI/CD
5 66 (22.53%) Problem-Solving
6 56 (19.11%) AI
7 46 (15.70%) DevOps
8 42 (14.33%) Machine Learning
9 39 (13.31%) Infrastructure as Code
10 34 (11.60%) LLM
11 32 (10.92%) Clean Code
12 31 (10.58%) Observability
13 29 (9.90%) Platform Engineering
14 28 (9.56%) Performance Tuning
14 28 (9.56%) Test Automation
15 27 (9.22%) Containerisation
15 27 (9.22%) Generative AI
16 24 (8.19%) Mentoring
17 21 (7.17%) Continuous Delivery
18 20 (6.83%) TDD
Programming Languages
1 139 (47.44%) Python
2 78 (26.62%) Go
2 78 (26.62%) Java
3 54 (18.43%) SQL
4 31 (10.58%) JavaScript
5 26 (8.87%) TypeScript
6 16 (5.46%) C#
7 15 (5.12%) Kotlin
8 13 (4.44%) Bash
8 13 (4.44%) PowerShell
9 12 (4.10%) Scala
9 12 (4.10%) Shell Script
10 8 (2.73%) Ruby
11 6 (2.05%) C++
11 6 (2.05%) PHP
12 5 (1.71%) C
13 4 (1.37%) Perl
14 3 (1.02%) Assembly Language
14 3 (1.02%) Delphi
14 3 (1.02%) F#
Qualifications
1 49 (16.72%) Security Cleared
2 24 (8.19%) SC Cleared
3 22 (7.51%) Degree
4 17 (5.80%) DV Cleared
5 11 (3.75%) Computer Science Degree
6 9 (3.07%) Master's Degree
7 6 (2.05%) PhD
8 5 (1.71%) BPSS Clearance
9 3 (1.02%) OSCP
10 2 (0.68%) GPEN
10 2 (0.68%) GWAPT
10 2 (0.68%) MCP
11 1 (0.34%) AWS Certification
11 1 (0.34%) CCNA
11 1 (0.34%) CCNP
11 1 (0.34%) CEH
11 1 (0.34%) Cisco Certification
11 1 (0.34%) CISSP
11 1 (0.34%) GIAC
11 1 (0.34%) OSCE
Quality Assurance & Compliance
1 13 (4.44%) Accessibility
2 10 (3.41%) QA
3 9 (3.07%) WCAG
4 8 (2.73%) NIST
5 6 (2.05%) ISO/IEC 27001
6 5 (1.71%) Cyber Essentials
6 5 (1.71%) Cyber Essentials PLUS
6 5 (1.71%) GDPR
7 3 (1.02%) NCSC
8 2 (0.68%) GPG for Computer-Based Electronic Evidence
8 2 (0.68%) ISO/IEC 17025
8 2 (0.68%) ISO17020
9 1 (0.34%) Data Quality
9 1 (0.34%) GxP
9 1 (0.34%) HIPAA
9 1 (0.34%) PCI DSS
System Software
1 105 (35.84%) Docker
2 13 (4.44%) Active Directory
3 9 (3.07%) Virtual Machines
4 4 (1.37%) QEMU
5 3 (1.02%) Ceph
5 3 (1.02%) ISA Server
5 3 (1.02%) KVM
6 2 (0.68%) HDFS
6 2 (0.68%) VMware Infrastructure
7 1 (0.34%) Apache ZooKeeper
7 1 (0.34%) Firmware
7 1 (0.34%) iptables
7 1 (0.34%) Lustre
7 1 (0.34%) NFS
7 1 (0.34%) Oracle Clusterware
7 1 (0.34%) Oracle RAC
7 1 (0.34%) Samba
7 1 (0.34%) Slurm Workload Manager
7 1 (0.34%) VMware ESXi
Systems Management
1 99 (33.79%) Kubernetes
2 33 (11.26%) Terraform
3 25 (8.53%) Prometheus
4 24 (8.19%) Grafana
5 20 (6.83%) Ansible
6 10 (3.41%) WMI
7 9 (3.07%) Puppet
8 2 (0.68%) Argo
8 2 (0.68%) HAProxy
8 2 (0.68%) Kibana
8 2 (0.68%) Knative
8 2 (0.68%) Progress Chef
9 1 (0.34%) Data Guard
9 1 (0.34%) Kubeflow
9 1 (0.34%) Nessus
9 1 (0.34%) Oracle RMAN
9 1 (0.34%) QRadar
9 1 (0.34%) SCOM
9 1 (0.34%) SELinux
9 1 (0.34%) vCenter Server
Vendors
1 35 (11.95%) Microsoft
2 20 (6.83%) Google
3 15 (5.12%) VMware
4 12 (4.10%) Red Hat
4 12 (4.10%) Sybase
5 8 (2.73%) OpenAI
5 8 (2.73%) webMethods
6 7 (2.39%) Cisco
7 6 (2.05%) Splunk
8 5 (1.71%) Atlassian
8 5 (1.71%) Foundry
8 5 (1.71%) Veracode
9 4 (1.37%) Adobe
10 3 (1.02%) Computacenter
10 3 (1.02%) Databricks
10 3 (1.02%) Oracle
10 3 (1.02%) Xamarin
11 2 (0.68%) Dynatrace
11 2 (0.68%) SAP
12 1 (0.34%) HP