Non-Blocking Code Contracts in the City of Westminster

Non-Blocking Code
Central London > City of Westminster

The table below provides summary statistics for contract job vacancies advertised in the City of Westminster 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 12 - -
Rank change year-on-year - - -
Contract jobs citing Non-Blocking Code 1 0 0
As % of all contract jobs advertised in the City of Westminster 2.38% - -
As % of the Processes & Methodologies category 2.78% - -
Number of daily rates quoted 1 0 0
Median daily rate (50th Percentile) £475 - -
Central London median daily rate £475 - £585
% change year-on-year - - +8.84%

All Process and Methodology Skills
City of Westminster

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 the City of Westminster.

Contract vacancies with a requirement for process or methodology skills 36 37 45
As % of all contract IT jobs advertised in the City of Westminster 85.71% 94.87% 80.36%
Number of daily rates quoted 26 29 39
10th Percentile £372 £448 £239
25th Percentile £409 £475 £370
Median daily rate (50th Percentile) £575 £550 £550
Median % change year-on-year +4.55% - +22.22%
75th Percentile £650 £693 £675
90th Percentile £800 £790 £850
Central London median daily rate £550 £575 £600
% change year-on-year -4.35% -4.17% +4.35%

Non-Blocking Code
Contract Job Locations in the City of Westminster

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 City of Westminster 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
Paddington - 1 £475 -
Non-Blocking Code
Central London

Non-Blocking Code
Co-occurring Skills and Capabilities in the City of Westminster 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