Code Optimisation Contracts in the UK excluding London

Code Optimisation
UK > UK excluding London

The table below provides summary statistics for contract job vacancies advertised in the UK excluding London requiring Code Optimisation skills. It includes a benchmarking guide to the contractor rates offered in vacancies that cited Code Optimisation 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 333 392 458
Rank change year-on-year +59 +66 +53
Contract jobs citing Code Optimisation 3 7 4
As % of all contract jobs advertised in the UK excluding London 0.023% 0.034% 0.017%
As % of the Processes & Methodologies category 0.026% 0.040% 0.019%
Number of daily rates quoted 2 3 3
10th Percentile £330 - £553
25th Percentile £375 - £557
Median daily rate (50th Percentile) £450 £400 £563
Median % change year-on-year +12.50% -28.95% +104.73%
75th Percentile £525 £519 -
90th Percentile £570 £590 -
UK median daily rate £356 £588 £800
% change year-on-year -39.40% -26.56% +18.52%
Number of hourly rates quoted 0 4 0
Median hourly rate - £60.50 -
UK median hourly rate - £60.50 -

All Process and Methodology Skills
UK excluding London

Code Optimisation 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 the UK excluding London.

Contract vacancies with a requirement for process or methodology skills 11,543 17,602 21,544
As % of all contract IT jobs advertised in the UK excluding London 90.42% 84.74% 89.52%
Number of daily rates quoted 7,249 10,520 14,947
10th Percentile £235 £250 £255
25th Percentile £375 £380 £400
Median daily rate (50th Percentile) £483 £500 £500
Median % change year-on-year -3.50% - +5.26%
75th Percentile £588 £600 £600
90th Percentile £662 £688 £688
UK median daily rate £520 £525 £550
% change year-on-year -0.95% -4.55% +4.76%
Number of hourly rates quoted 825 2,048 1,307
10th Percentile £14.20 £12.33 £11.00
25th Percentile £17.30 £15.28 £16.00
Median hourly rate £27.50 £37.34 £36.00
Median % change year-on-year -26.35% +3.72% +80.00%
75th Percentile £64.50 £60.00 £65.00
90th Percentile £75.00 £72.50 £72.98
UK median hourly rate £29.00 £35.65 £37.30
% change year-on-year -18.65% -4.42% +49.20%

Code Optimisation
Job Vacancy Trend in the UK excluding London

Job postings citing Code Optimisation as a proportion of all IT jobs advertised in the UK excluding London.

Job vacancy trend for Code Optimisation in the UK excluding London

Code Optimisation
Contractor Daily Rate Trend in the UK excluding London

3-month moving average daily rate quoted in jobs citing Code Optimisation in the UK excluding London.

Daily rate trend for Code Optimisation in the UK excluding London

Code Optimisation
Daily Rate Histogram in the UK excluding London

Daily rate distribution for jobs citing Code Optimisation in the UK excluding London over the 6 months to 1 May 2025.

Daily rate histogram for Code Optimisation in the UK excluding London

Code Optimisation
Contractor Hourly Rate Trend in the UK excluding London

3-month moving average hourly rates quoted in jobs citing Code Optimisation in the UK excluding London.

Hourly rate trend for Code Optimisation in the UK excluding London

Code Optimisation
Contract Job Locations in the UK excluding London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Code Optimisation within the UK excluding 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
Scotland +11 2 £300 - 2
North of England - 1 £600 - 1
Yorkshire - 1 £600 - 1
Code Optimisation
UK

Code Optimisation
Co-occurring Skills and Capabilities in the UK excluding 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 1 (33.33%) Apache
1 1 (33.33%) Apache Airflow
1 1 (33.33%) Apache Spark
Database & Business Intelligence
1 1 (33.33%) Apache Cassandra
1 1 (33.33%) Delta Lake
1 1 (33.33%) Hadoop
1 1 (33.33%) PostgreSQL
Development Applications
1 1 (33.33%) Bitbucket
1 1 (33.33%) Git
1 1 (33.33%) Jenkins
General
1 2 (66.67%) Finance
Job Titles
1 1 (33.33%) J2EE Specialist
1 1 (33.33%) Lead
1 1 (33.33%) Technical Leader
Libraries, Frameworks & Software Standards
1 1 (33.33%) Ext JS
1 1 (33.33%) J2EE
1 1 (33.33%) Kafka
1 1 (33.33%) LAPP Stack
1 1 (33.33%) PySpark
1 1 (33.33%) Spring
1 1 (33.33%) Spring Boot
Miscellaneous
1 1 (33.33%) Distributed Computing
Operating Systems
1 1 (33.33%) Linux
1 1 (33.33%) Unix
Processes & Methodologies
1 2 (66.67%) Integration Testing
1 2 (66.67%) Problem-Solving
2 1 (33.33%) Change Management
2 1 (33.33%) CI/CD
2 1 (33.33%) Clean Code
2 1 (33.33%) Code Quality
2 1 (33.33%) Community of Practice
2 1 (33.33%) Containerisation
2 1 (33.33%) DevSecOps
2 1 (33.33%) Mathematical Modelling
2 1 (33.33%) Mathematics
2 1 (33.33%) Performance Testing
2 1 (33.33%) Refactoring
2 1 (33.33%) Scenario Testing
2 1 (33.33%) Test Automation
2 1 (33.33%) Unit Testing
Programming Languages
1 2 (66.67%) Python
2 1 (33.33%) Java
Quality Assurance & Compliance
1 1 (33.33%) Accessibility
System Software
1 1 (33.33%) Apache ZooKeeper
1 1 (33.33%) Docker
Systems Management
1 1 (33.33%) Ansible
1 1 (33.33%) Kubernetes
1 1 (33.33%) Progress Chef
1 1 (33.33%) Puppet
Vendors
1 1 (33.33%) Oracle