Non-Blocking Code Contracts in Central London

Non-Blocking Code
London > Central London

The table below provides summary statistics for contract job vacancies advertised in Central London 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 4 August 2025, comparing them to the same period in the previous two years.

6 months to
4 Aug 2025
Same period 2024 Same period 2023
Rank 134 - 164
Rank change year-on-year - - +35
Contract jobs citing Non-Blocking Code 1 0 1
As % of all contract jobs advertised in Central London 0.049% - 0.028%
As % of the Processes & Methodologies category 0.052% - 0.031%
Number of daily rates quoted 1 0 1
Median daily rate (50th Percentile) £475 - £585
Median % change year-on-year - - +8.84%
London median daily rate £473 £615 £688
% change year-on-year -23.17% -10.55% +7.84%

All Process and Methodology Skills
Central London

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 Central London.

Contract vacancies with a requirement for process or methodology skills 1,927 2,098 3,236
As % of all contract IT jobs advertised in Central London 93.73% 91.50% 90.75%
Number of daily rates quoted 1,269 1,446 2,218
10th Percentile £325 £363 £325
25th Percentile £425 £463 £463
Median daily rate (50th Percentile) £550 £575 £600
Median % change year-on-year -4.35% -4.17% +4.35%
75th Percentile £675 £688 £713
90th Percentile £775 £788 £825
London median daily rate £541 £550 £575
% change year-on-year -1.59% -4.35% -
Number of hourly rates quoted 33 19 19
10th Percentile £22.15 £18.00 £14.25
25th Percentile £24.66 £21.25 £15.93
Median hourly rate £31.00 £27.00 £35.00
Median % change year-on-year +14.81% -22.86% -18.36%
75th Percentile £50.75 £70.00 £47.41
90th Percentile £63.75 £137.50 £56.75
London median hourly rate £29.50 £35.50 £40.50
% change year-on-year -16.90% -12.35% +12.50%

Non-Blocking Code
Job Vacancy Trend in Central London

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

Job vacancy trend for Non-Blocking Code in Central London

Non-Blocking Code
Contractor Daily Rate Trend in Central London

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

Daily rate trend for Non-Blocking Code in Central London

Non-Blocking Code
Contract Job Locations in Central London

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 Central London region over the 6 months to 4 August 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
City of Westminster - 1 £475 -
Non-Blocking Code
London

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

Cloud Services
1 1 (100.00%) Datadog
1 1 (100.00%) GCP
1 1 (100.00%) GitHub
1 1 (100.00%) Stackdriver
Database & Business Intelligence
1 1 (100.00%) MongoDB
1 1 (100.00%) MySQL
1 1 (100.00%) NoSQL
1 1 (100.00%) PostgreSQL
1 1 (100.00%) Redis
Development Applications
1 1 (100.00%) Cypress.io
1 1 (100.00%) GitLab
1 1 (100.00%) Mocha
General
1 1 (100.00%) Telecoms
Libraries, Frameworks & Software Standards
1 1 (100.00%) Fastify
1 1 (100.00%) GraphQL
1 1 (100.00%) Jest
1 1 (100.00%) Node.js
1 1 (100.00%) OAuth
1 1 (100.00%) OAuth2
1 1 (100.00%) OpenAPI
1 1 (100.00%) OpenID
1 1 (100.00%) RESTful
1 1 (100.00%) Swagger
1 1 (100.00%) YAML
Miscellaneous
1 1 (100.00%) Cloud Native
Processes & Methodologies
1 1 (100.00%) Agile
1 1 (100.00%) Application Security
1 1 (100.00%) Architectural Patterns
1 1 (100.00%) Asynchronous Programming
1 1 (100.00%) CI/CD
1 1 (100.00%) Containerisation
1 1 (100.00%) DevOps
1 1 (100.00%) Digital Transformation Programme
1 1 (100.00%) Functional Testing
1 1 (100.00%) High Availability
1 1 (100.00%) Microservices
1 1 (100.00%) Problem-Solving
1 1 (100.00%) Root Cause Analysis
Programming Languages
1 1 (100.00%) JavaScript
1 1 (100.00%) Python
1 1 (100.00%) SQL
System Software
1 1 (100.00%) Docker
Systems Management
1 1 (100.00%) Ansible
1 1 (100.00%) Grafana
1 1 (100.00%) Kubernetes
1 1 (100.00%) Puppet
1 1 (100.00%) Terraform
Vendors
1 1 (100.00%) Google
1 1 (100.00%) Splunk