UML Contracts

Unified Modeling Language (UML)
UK

The table below provides summary statistics for contract job vacancies requiring UML skills. It includes a benchmarking guide to the contractor rates offered in vacancies that cited UML over the 6 months leading up to 13 May 2025, comparing them to the same period in the previous two years.

6 months to
13 May 2025
Same period 2024 Same period 2023
Rank 416 378 418
Rank change year-on-year -38 +40 +20
Contract jobs citing UML 97 212 295
As % of all contract jobs advertised in the UK 0.33% 0.49% 0.51%
As % of the Processes & Methodologies category 0.37% 0.57% 0.56%
Number of daily rates quoted 41 129 153
10th Percentile £350 £419 £406
25th Percentile £391 £500 £463
Median daily rate (50th Percentile) £475 £650 £543
Median % change year-on-year -26.92% +19.82% -1.36%
75th Percentile £638 £825 £644
90th Percentile £695 £925 £760
UK excluding London median daily rate £463 £525 £500
% change year-on-year -11.90% +5.00% -
Number of hourly rates quoted 31 38 55
10th Percentile £45.00 £54.95 £49.09
25th Percentile £51.78 £56.56 £53.75
Median hourly rate £62.50 £65.00 £57.50
Median % change year-on-year -3.85% +13.04% -4.17%
75th Percentile £68.00 £70.00 £69.38
90th Percentile £75.00 £83.75 £75.00
UK excluding London median hourly rate £62.50 £65.00 £57.50
% change year-on-year -3.85% +13.04% -2.50%

All Process and Methodology Skills
UK

UML 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 26,416 37,097 52,247
As % of all contract IT jobs advertised in the UK 90.93% 86.26% 89.81%
Number of daily rates quoted 16,973 23,888 36,212
10th Percentile £306 £300 £325
25th Percentile £410 £413 £438
Median daily rate (50th Percentile) £518 £525 £550
Median % change year-on-year -1.43% -4.55% +3.77%
75th Percentile £627 £638 £650
90th Percentile £743 £750 £750
UK excluding London median daily rate £478 £500 £500
% change year-on-year -4.40% - +5.26%
Number of hourly rates quoted 1,082 2,438 1,719
10th Percentile £14.20 £12.75 £11.00
25th Percentile £18.15 £16.00 £16.23
Median hourly rate £28.30 £36.50 £36.00
Median % change year-on-year -22.48% +1.39% +40.19%
75th Percentile £60.00 £60.00 £65.00
90th Percentile £75.00 £72.50 £75.00
UK excluding London median hourly rate £25.23 £38.06 £35.00
% change year-on-year -33.72% +8.74% +75.00%

UML
Job Vacancy Trend

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

Job vacancy trend for UML in the UK

UML
Contractor Daily Rate Trend

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

Daily rate trend for UML in the UK

UML
Daily Rate Histogram

Daily rate distribution for jobs citing UML over the 6 months to 13 May 2025.

Daily rate histogram for UML in the UK

UML
Contractor Hourly Rate Trend

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

Hourly rate trend for UML in the UK

UML
Hourly Rate Histogram

Hourly rate distribution of jobs citing UML over the 6 months to 13 May 2025.

Hourly rate histogram for UML in the UK

UML
Top 14 Contract Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing UML within the UK over the 6 months to 13 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 -33 89 £520 -20.00% 278
UK excluding London -6 64 £463 -11.90% 224
Work from Home +25 35 £469 -14.77% 186
South East +28 29 £350 -31.71% 71
London -30 25 £625 -21.88% 75
South West +34 12 £650 +18.18% 48
North of England +26 10 £400 -20.00% 36
West Midlands +15 6 £600 +20.00% 22
East of England +15 6 £375 -31.82% 28
Midlands +11 6 £600 +66.67% 38
North West +18 4 £383 -23.40% 19
Yorkshire - 3 £400 - 14
North East - 3 £469 - 3
Scotland +1 2 £450 -2.70% 9

UML
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 17 (17.53%) Confluence
2 4 (4.12%) SAS
3 2 (2.06%) Microsoft Exchange
4 1 (1.03%) Apache
4 1 (1.03%) Oracle SOA Suite
4 1 (1.03%) SharePoint
4 1 (1.03%) Smallworld
Applications
1 9 (9.28%) MS Visio
2 3 (3.09%) Microsoft Office
3 2 (2.06%) Microsoft Excel
3 2 (2.06%) Microsoft PowerPoint
4 1 (1.03%) Simulink
Business Applications
1 4 (4.12%) Sparx Enterprise Architect
2 1 (1.03%) Misys Midas
Cloud Services
1 14 (14.43%) AWS
2 12 (12.37%) Azure
3 6 (6.19%) SaaS
4 4 (4.12%) GCP
4 4 (4.12%) Power Platform
5 3 (3.09%) Amazon ECS
5 3 (3.09%) Amazon SQS
5 3 (3.09%) AWS KMS
5 3 (3.09%) Cloud Computing
5 3 (3.09%) GitHub
5 3 (3.09%) IaaS
5 3 (3.09%) PaaS
5 3 (3.09%) Route 53
5 3 (3.09%) Serverless
6 2 (2.06%) Apigee
6 2 (2.06%) Azure DevOps
7 1 (1.03%) Dynamics 365
7 1 (1.03%) Miro
7 1 (1.03%) npm
Communications & Networking
1 12 (12.37%) Software-Defined Radio
2 8 (8.25%) SNMP
3 3 (3.09%) Ethernet
3 3 (3.09%) HTTP
3 3 (3.09%) IPsec
3 3 (3.09%) Kerberos
3 3 (3.09%) SSL
4 2 (2.06%) HTTPS
5 1 (1.03%) GPON
5 1 (1.03%) Intranet
5 1 (1.03%) MQTT
5 1 (1.03%) TCP/IP
Database & Business Intelligence
1 7 (7.22%) PostgreSQL
2 6 (6.19%) NoSQL
3 4 (4.12%) Power BI
3 4 (4.12%) Relational Database
3 4 (4.12%) SQL Server
4 3 (3.09%) Amazon RDS
4 3 (3.09%) MongoDB
5 2 (2.06%) Data Lake
5 2 (2.06%) Metadata
5 2 (2.06%) Tableau
6 1 (1.03%) Apache Hive
6 1 (1.03%) Big Data
6 1 (1.03%) Data Warehouse
6 1 (1.03%) GIS
6 1 (1.03%) Metadata Repository
6 1 (1.03%) Oracle Database
6 1 (1.03%) RDBMS
6 1 (1.03%) Snowflake Schema
6 1 (1.03%) Star Schema
Development Applications
1 22 (22.68%) JIRA
2 13 (13.40%) Git
3 9 (9.28%) Bitbucket
4 8 (8.25%) GoogleTest
4 8 (8.25%) Robot Framework
5 7 (7.22%) Eclipse
6 5 (5.15%) Jenkins
6 5 (5.15%) Rational DOORS
7 4 (4.12%) ERwin
8 3 (3.09%) GitLab
8 3 (3.09%) Maven
8 3 (3.09%) Postman
9 2 (2.06%) PowerDesigner
10 1 (1.03%) Cucumber
10 1 (1.03%) MagicDraw
10 1 (1.03%) Rational Rhapsody
10 1 (1.03%) Visual Studio
General
1 23 (23.71%) Finance
2 18 (18.56%) Social Skills
3 7 (7.22%) Analytical Skills
4 6 (6.19%) Telecoms
5 5 (5.15%) Banking
5 5 (5.15%) Billing
6 4 (4.12%) Aerospace
7 3 (3.09%) Automotive
7 3 (3.09%) Documentation Skills
7 3 (3.09%) Presentation Skills
8 2 (2.06%) Aviation
8 2 (2.06%) Public Sector
9 1 (1.03%) Digital Health
9 1 (1.03%) Electronics
9 1 (1.03%) Inclusion and Diversity
9 1 (1.03%) Influencing Skills
9 1 (1.03%) Legal
9 1 (1.03%) Manufacturing
9 1 (1.03%) Marketing
9 1 (1.03%) Military
Job Titles
1 22 (22.68%) Analyst
2 18 (18.56%) Architect
3 17 (17.53%) Business Analyst
4 13 (13.40%) Software Engineer
5 11 (11.34%) Embedded Engineer
6 9 (9.28%) Solutions Architect
7 8 (8.25%) Ada Engineer
7 8 (8.25%) Ada Software Engineer
7 8 (8.25%) Designer
7 8 (8.25%) Developer
7 8 (8.25%) Embedded Software Engineer
7 8 (8.25%) Solutions Designer
8 7 (7.22%) Software Test Engineer
8 7 (7.22%) Test Engineer
9 6 (6.19%) Technical Architect
10 5 (5.15%) Integration Architect
10 5 (5.15%) Rust Engineer
10 5 (5.15%) Senior
10 5 (5.15%) Systems Engineer
10 5 (5.15%) Technical Analyst
Libraries, Frameworks & Software Standards
1 15 (15.46%) Web Services
2 13 (13.40%) REST
3 9 (9.28%) HTML
4 8 (8.25%) CSS
5 6 (6.19%) JSON
5 6 (6.19%) Node.js
6 5 (5.15%) Spring
6 5 (5.15%) Spring Boot
7 4 (4.12%) Middleware
8 3 (3.09%) .NET
8 3 (3.09%) .NET Framework
8 3 (3.09%) JavaFX
8 3 (3.09%) OAuth
8 3 (3.09%) OAuth2
8 3 (3.09%) OpenAPI
8 3 (3.09%) OpenID
8 3 (3.09%) RESTful
8 3 (3.09%) SAML
8 3 (3.09%) Swagger
8 3 (3.09%) XACML
Miscellaneous
1 11 (11.34%) Product Ownership
2 5 (5.15%) Frameworx
2 5 (5.15%) TM Forum
3 4 (4.12%) Enterprise Software
3 4 (4.12%) Self-Motivation
4 3 (3.09%) Data Structures
4 3 (3.09%) Distributed Denial-of-Service
4 3 (3.09%) PCIe
4 3 (3.09%) Reference Data
5 2 (2.06%) Credit Risk
5 2 (2.06%) Distributed Systems
5 2 (2.06%) Embedded Systems
5 2 (2.06%) Equities
5 2 (2.06%) Linux Command Line
5 2 (2.06%) Verilog
5 2 (2.06%) VHDL
6 1 (1.03%) Algorithms
6 1 (1.03%) IoT
6 1 (1.03%) Legacy Systems
6 1 (1.03%) Mobile App
Operating Systems
1 19 (19.59%) Linux
2 3 (3.09%) FreeRTOS
3 2 (2.06%) Windows
Processes & Methodologies
1 54 (55.67%) Agile
2 30 (30.93%) SysML
3 27 (27.84%) Scrum
4 24 (24.74%) Software Engineering
5 17 (17.53%) Microservices
6 16 (16.49%) BPMN
7 14 (14.43%) CI/CD
8 13 (13.40%) Business Analysis
8 13 (13.40%) Requirements Gathering
8 13 (13.40%) Validation
9 12 (12.37%) Business Strategy
9 12 (12.37%) Software Testing
9 12 (12.37%) Test Automation
10 11 (11.34%) Data Modelling
10 11 (11.34%) Stakeholder Management
10 11 (11.34%) Use Case
10 11 (11.34%) User Stories
11 10 (10.31%) DevOps
11 10 (10.31%) Prototyping
12 9 (9.28%) Wireframes
Programming Languages
1 12 (12.37%) Java
2 11 (11.34%) JavaScript
2 11 (11.34%) SQL
3 9 (9.28%) Ada
3 9 (9.28%) C++
4 8 (8.25%) Python
5 5 (5.15%) Rust
6 4 (4.12%) C
7 2 (2.06%) C#
7 2 (2.06%) SystemVerilog
7 2 (2.06%) Tcl
8 1 (1.03%) Assembly Language
8 1 (1.03%) Embedded C
8 1 (1.03%) Fortran
8 1 (1.03%) Magik
8 1 (1.03%) MATLAB
8 1 (1.03%) R
8 1 (1.03%) XAML
Qualifications
1 26 (26.80%) Security Cleared
2 25 (25.77%) SC Cleared
3 15 (15.46%) Degree
4 4 (4.12%) Computer Science Degree
5 3 (3.09%) ITIL Certification
6 2 (2.06%) BPSS Clearance
6 2 (2.06%) HND
6 2 (2.06%) Master's Degree
7 1 (1.03%) Azure Certification
7 1 (1.03%) CBAP
7 1 (1.03%) CSPO
7 1 (1.03%) DV Cleared
7 1 (1.03%) IIBA
7 1 (1.03%) PhD
7 1 (1.03%) PMI Certification
7 1 (1.03%) VCAP
7 1 (1.03%) VCDX
Quality Assurance & Compliance
1 2 (2.06%) GDPR
2 1 (1.03%) Accessibility
2 1 (1.03%) Data Quality
2 1 (1.03%) Disclosure Scotland
2 1 (1.03%) MISRA
2 1 (1.03%) MISRA C
2 1 (1.03%) QA
2 1 (1.03%) WCAG
System Software
1 6 (6.19%) Firmware
2 3 (3.09%) Docker
2 3 (3.09%) RACF
3 2 (2.06%) Active Directory
Systems Management
1 3 (3.09%) Ansible
1 3 (3.09%) Packer
1 3 (3.09%) Single Sign-On
1 3 (3.09%) Terraform
2 2 (2.06%) Kubernetes
2 2 (2.06%) Microsoft Intune
3 1 (1.03%) PTC Integrity
Vendors
1 13 (13.40%) Microsoft
2 9 (9.28%) Atlassian
3 6 (6.19%) Google
3 6 (6.19%) ServiceNow
3 6 (6.19%) Sparx
4 5 (5.15%) Salesforce
5 4 (4.12%) Ariba
5 4 (4.12%) SAP
6 3 (3.09%) IBM
7 2 (2.06%) Oracle
7 2 (2.06%) Xilinx
8 1 (1.03%) Avaloq
8 1 (1.03%) BiZZdesign
8 1 (1.03%) Dell
8 1 (1.03%) Informatica
8 1 (1.03%) Intel
8 1 (1.03%) Pega
8 1 (1.03%) Progress
8 1 (1.03%) PTC
8 1 (1.03%) VMware