Non-Blocking Code Contracts in England

Non-Blocking Code
UK > England

The table below provides summary statistics for contract job vacancies advertised in England requiring Non-Blocking Code skills. It includes a benchmarking guide to the contractor rates offered in vacancies that cited Non-Blocking Code over the 6 months leading up to 22 July 2025, comparing them to the same period in the previous two years.

6 months to
22 Jul 2025
Same period 2024 Same period 2023
Rank 506 531 620
Rank change year-on-year +25 +89 +146
Contract jobs citing Non-Blocking Code 1 14 5
As % of all contract jobs advertised in England 0.004% 0.040% 0.011%
As % of the Processes & Methodologies category 0.004% 0.046% 0.012%
Number of daily rates quoted 1 14 4
10th Percentile - £606 £561
25th Percentile £460 £608 £576
Median daily rate (50th Percentile) £470 £615 £636
Median % change year-on-year -23.58% -3.34% +1.80%
75th Percentile £480 £623 £709
90th Percentile - £629 £715
UK median daily rate £470 £615 £636
% change year-on-year -23.58% -3.34% +1.80%

All Process and Methodology Skills
England

Non-Blocking Code 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 24,748 30,312 42,097
As % of all contract IT jobs advertised in England 90.62% 85.70% 89.55%
Number of daily rates quoted 15,865 19,796 29,422
10th Percentile £300 £310 £325
25th Percentile £405 £413 £440
Median daily rate (50th Percentile) £513 £525 £550
Median % change year-on-year -2.38% -4.55% -
75th Percentile £635 £645 £666
90th Percentile £738 £751 £763
UK median daily rate £500 £525 £548
% change year-on-year -4.76% -4.11% -0.45%
Number of hourly rates quoted 1,327 1,983 1,475
10th Percentile £14.20 £13.25 £14.25
25th Percentile £17.87 £17.00 £18.66
Median hourly rate £25.15 £40.00 £42.50
Median % change year-on-year -37.13% -5.88% +63.46%
75th Percentile £53.00 £63.75 £65.00
90th Percentile £70.16 £74.35 £77.80
UK median hourly rate £25.15 £38.12 £42.50
% change year-on-year -34.02% -10.31% +60.38%

Non-Blocking Code
Job Vacancy Trend in England

Job postings citing Non-Blocking Code as a proportion of all IT jobs advertised in England.

Job vacancy trend for Non-Blocking Code in England

Non-Blocking Code
Contractor Daily Rate Trend in England

3-month moving average daily rate quoted in jobs citing Non-Blocking Code in England.

Daily rate trend for Non-Blocking Code in England

Non-Blocking Code
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 Non-Blocking Code within the England region over the 6 months to 22 July 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 +20 1 £470 -23.58%
Non-Blocking Code
UK

Non-Blocking Code
Co-occurring Skills and Capabilities in England 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:

Cloud Services
1 1 (100.00%) AWS
1 1 (100.00%) Azure
1 1 (100.00%) dbt
1 1 (100.00%) GCP
Database & Business Intelligence
1 1 (100.00%) NoSQL
1 1 (100.00%) Redis
Development Applications
1 1 (100.00%) Cucumber
1 1 (100.00%) EasyMock
1 1 (100.00%) JBehave
1 1 (100.00%) JUnit
1 1 (100.00%) Mockito
1 1 (100.00%) VisualVM
1 1 (100.00%) YourKit
Job Titles
1 1 (100.00%) Developer
1 1 (100.00%) Java Developer
Libraries, Frameworks & Software Standards
1 1 (100.00%) Kafka
1 1 (100.00%) Lambda Expressions
1 1 (100.00%) RabbitMQ
1 1 (100.00%) Spring
1 1 (100.00%) Spring Boot
1 1 (100.00%) Spring Cloud
Miscellaneous
1 1 (100.00%) Algorithms
1 1 (100.00%) Data Structures
Processes & Methodologies
1 1 (100.00%) Architectural Patterns
1 1 (100.00%) BDD
1 1 (100.00%) CI/CD
1 1 (100.00%) Code Quality
1 1 (100.00%) Concurrent Programming
1 1 (100.00%) Containerisation
1 1 (100.00%) Data Security
1 1 (100.00%) Distributed Cache
1 1 (100.00%) Don't repeat yourself (DRY)
1 1 (100.00%) Event-Driven
1 1 (100.00%) Event-Driven Programming
1 1 (100.00%) Memory Management
1 1 (100.00%) Microservices
1 1 (100.00%) Multithreading
1 1 (100.00%) OO
1 1 (100.00%) Performance Engineering
1 1 (100.00%) SOLID
Programming Languages
1 1 (100.00%) Java
1 1 (100.00%) SQL
System Software
1 1 (100.00%) Docker
1 1 (100.00%) Virtual Machines
Systems Management
1 1 (100.00%) Grafana
1 1 (100.00%) Kubernetes
Vendors
1 1 (100.00%) Splunk