Code Quality Contracts in London

Code Quality (Software Quality)
England > London

The table below provides summary statistics for contract job vacancies advertised in London requiring Code Quality skills. It includes a benchmarking guide to the contractor rates offered in vacancies that cited Code Quality 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 202 231 362
Rank change year-on-year +29 +131 +35
Contract jobs citing Code Quality 154 163 133
As % of all contract jobs advertised in London 1.23% 0.91% 0.49%
As % of the Processes & Methodologies category 1.33% 1.03% 0.54%
Number of daily rates quoted 105 88 80
10th Percentile £368 £360 £412
25th Percentile £425 £447 £491
Median daily rate (50th Percentile) £525 £550 £619
Median % change year-on-year -4.55% -11.11% +3.13%
75th Percentile £706 £691 £700
90th Percentile £810 £800 £850
England median daily rate £517 £538 £586
% change year-on-year -3.84% -8.28% +2.18%
Number of hourly rates quoted 0 4 4
10th Percentile - - -
25th Percentile - £81.25 £45.00
Median hourly rate - £82.50 £62.50
Median % change year-on-year - +32.00% -21.88%
75th Percentile - £83.75 £81.88
90th Percentile - - £94.25
England median hourly rate £50.00 £67.75 £52.50
% change year-on-year -26.20% +29.05% -32.26%

All Process and Methodology Skills
London

Code Quality 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 London.

Contract vacancies with a requirement for process or methodology skills 11,564 15,790 24,631
As % of all contract IT jobs advertised in London 92.16% 88.55% 91.11%
Number of daily rates quoted 7,847 11,316 17,711
10th Percentile £350 £338 £375
25th Percentile £440 £450 £475
Median daily rate (50th Percentile) £550 £550 £590
Median % change year-on-year - -6.78% +2.61%
75th Percentile £688 £675 £700
90th Percentile £813 £800 £800
England median daily rate £525 £525 £550
% change year-on-year - -4.55% +2.33%
Number of hourly rates quoted 166 324 278
10th Percentile £16.17 £16.00 £18.59
25th Percentile £22.68 £20.00 £22.53
Median hourly rate £31.67 £29.50 £38.13
Median % change year-on-year +7.36% -22.62% +5.90%
75th Percentile £50.75 £47.56 £62.64
90th Percentile £63.75 £65.93 £76.78
England median hourly rate £29.07 £36.00 £37.50
% change year-on-year -19.25% -4.00% +53.06%

Code Quality
Job Vacancy Trend in London

Job postings citing Code Quality as a proportion of all IT jobs advertised in London.

Job vacancy trend for Code Quality in London

Code Quality
Contractor Daily Rate Trend in London

3-month moving average daily rate quoted in jobs citing Code Quality in London.

Daily rate trend for Code Quality in London

Code Quality
Daily Rate Histogram in London

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

Daily rate histogram for Code Quality in London

Code Quality
Contractor Hourly Rate Trend in London

3-month moving average hourly rates quoted in jobs citing Code Quality in London.

Hourly rate trend for Code Quality in London

Code Quality
Contract Job Locations in London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Code Quality within the 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
Central London +24 36 £550 -21.43% 26
South London +14 11 £602 - 3
West London +8 3 £409 -18.20% 5
Code Quality
England

Code Quality
Co-occurring Skills and Capabilities in 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 12 (7.79%) Apache
2 11 (7.14%) Apache Spark
3 6 (3.90%) CMS
4 4 (2.60%) Confluence
4 4 (2.60%) Headless CMS
5 2 (1.30%) Camunda
5 2 (1.30%) Jupyter
6 1 (0.65%) Anypoint
6 1 (0.65%) ArcGIS
6 1 (0.65%) Magnolia
6 1 (0.65%) MQSeries
6 1 (0.65%) nginx
Business Applications
1 1 (0.65%) SAP SD
Cloud Services
1 37 (24.03%) Azure
2 34 (22.08%) AWS
3 20 (12.99%) GitHub
4 13 (8.44%) GitHub Actions
5 10 (6.49%) GCP
6 9 (5.84%) Azure DevOps
7 7 (4.55%) Serverless
8 4 (2.60%) Azure Functions
9 3 (1.95%) Azure AKS
9 3 (1.95%) Azure Service Bus
9 3 (1.95%) Power Platform
10 2 (1.30%) AWS Data Pipeline
10 2 (1.30%) AWS Lambda
10 2 (1.30%) Azure Data Factory
10 2 (1.30%) Azure Logic Apps
10 2 (1.30%) Datadog
10 2 (1.30%) Dynamics 365
10 2 (1.30%) Power Automate
10 2 (1.30%) Tricentis Tosca
10 2 (1.30%) WhatsApp
Communications & Networking
1 4 (2.60%) HTTP
2 2 (1.30%) Network Security
2 2 (1.30%) SSL
3 1 (0.65%) DNS
3 1 (0.65%) Firewall
3 1 (0.65%) VPN
Database & Business Intelligence
1 18 (11.69%) PostgreSQL
2 14 (9.09%) SQL Server
3 13 (8.44%) MongoDB
3 13 (8.44%) Redis
4 12 (7.79%) Big Data
5 11 (7.14%) Hadoop
6 10 (6.49%) NoSQL
7 7 (4.55%) Data Warehouse
8 5 (3.25%) Geospatial Data
8 5 (3.25%) MySQL
9 4 (2.60%) Impala
9 4 (2.60%) Oracle Database
9 4 (2.60%) Spark SQL
10 3 (1.95%) Amazon Athena
10 3 (1.95%) Power BI
11 2 (1.30%) Amazon Redshift
11 2 (1.30%) Apache Hive
11 2 (1.30%) BigQuery
11 2 (1.30%) Data Lake
11 2 (1.30%) TKPROF
Development Applications
1 34 (22.08%) Git
2 29 (18.83%) Jenkins
3 15 (9.74%) JIRA
4 8 (5.19%) Bitbucket
4 8 (5.19%) SonarQube
5 6 (3.90%) Selenium
6 5 (3.25%) GitLab
6 5 (3.25%) JUnit
6 5 (3.25%) Postman
7 4 (2.60%) JMeter
7 4 (2.60%) QARun
7 4 (2.60%) REST Assured
7 4 (2.60%) TeamCity
7 4 (2.60%) WinRunner
8 3 (1.95%) Maven
8 3 (1.95%) Xcode
9 2 (1.30%) Atlassian Bamboo
9 2 (1.30%) Cypress.io
9 2 (1.30%) LoadRunner
9 2 (1.30%) Subversion
General
1 47 (30.52%) Finance
2 45 (29.22%) Social Skills
3 29 (18.83%) Banking
4 21 (13.64%) Analytical Skills
5 19 (12.34%) Investment Banking
6 14 (9.09%) Public Sector
7 7 (4.55%) Presentation Skills
8 6 (3.90%) Retail
9 5 (3.25%) Financial Institution
10 4 (2.60%) Publishing
10 4 (2.60%) Retail Banking
11 3 (1.95%) Front Office
12 2 (1.30%) Corporate Banking
12 2 (1.30%) Inclusion and Diversity
12 2 (1.30%) Telecoms
13 1 (0.65%) Advertising
13 1 (0.65%) Documentation Skills
13 1 (0.65%) Games
13 1 (0.65%) Marketing
13 1 (0.65%) Organisational Skills
Job Titles
1 93 (60.39%) Developer
2 26 (16.88%) Java Developer
3 20 (12.99%) Senior
3 20 (12.99%) Software Engineer
4 18 (11.69%) Lead
5 15 (9.74%) Python Developer
6 10 (6.49%) Full-Stack Developer
7 9 (5.84%) Senior Developer
8 8 (5.19%) Apache Spark Developer
9 7 (4.55%) Analyst
9 7 (4.55%) Angular Developer
9 7 (4.55%) Full-Stack Engineer
9 7 (4.55%) Lead Developer
9 7 (4.55%) Senior Software Engineer
10 6 (3.90%) DevOps Engineer
11 5 (3.25%) Architect
11 5 (3.25%) React Developer
11 5 (3.25%) Test Analyst
12 4 (2.60%) QA Engineer
12 4 (2.60%) Software Developer
Libraries, Frameworks & Software Standards
1 32 (20.78%) React
2 29 (18.83%) RESTful
3 22 (14.29%) HTML
4 19 (12.34%) AngularJS
5 18 (11.69%) CSS
5 18 (11.69%) Spring
6 16 (10.39%) .NET
7 15 (9.74%) REST
7 15 (9.74%) Spring Boot
8 14 (9.09%) Kafka
9 11 (7.14%) GraphQL
9 11 (7.14%) Node.js
10 9 (5.84%) .NET Core
10 9 (5.84%) Spark Streaming
11 8 (5.19%) HTML5
12 7 (4.55%) Web Services
13 6 (3.90%) XML
14 5 (3.25%) .NET Framework
14 5 (3.25%) RxJS
14 5 (3.25%) Swagger
Miscellaneous
1 15 (9.74%) Market Risk
2 13 (8.44%) Distributed Computing
3 11 (7.14%) Distributed Systems
4 8 (5.19%) Analytical Mindset
5 7 (4.55%) Credit Risk
5 7 (4.55%) Mobile App
6 5 (3.25%) Greenfield Project
6 5 (3.25%) Product Ownership
7 4 (2.60%) Cloud Native
7 4 (2.60%) Enterprise Software
7 4 (2.60%) Legacy Systems
7 4 (2.60%) Virtual Team
8 3 (1.95%) Data Structures
8 3 (1.95%) Hybrid Cloud
9 2 (1.30%) Algorithms
9 2 (1.30%) Distributed Architecture
9 2 (1.30%) Equities
9 2 (1.30%) Foreign Exchange (FX)
9 2 (1.30%) Legacy Applications
9 2 (1.30%) PKI
Operating Systems
1 8 (5.19%) Linux
2 7 (4.55%) Windows
3 4 (2.60%) Android
3 4 (2.60%) Apple iOS
4 2 (1.30%) Unix
5 1 (0.65%) Red Hat Enterprise Linux
Processes & Methodologies
1 73 (47.40%) CI/CD
2 69 (44.81%) Agile
3 56 (36.36%) Problem-Solving
4 38 (24.68%) DevOps
5 36 (23.38%) Test Automation
6 32 (20.78%) Full-Stack Development
7 31 (20.13%) Microservices
8 27 (17.53%) Software Engineering
9 25 (16.23%) Containerisation
10 22 (14.29%) Continuous Integration
11 19 (12.34%) Front End Development
11 19 (12.34%) Scrum
12 18 (11.69%) Mentoring
12 18 (11.69%) Unit Testing
13 16 (10.39%) API Integration
13 16 (10.39%) Risk Management
14 15 (9.74%) TDD
15 14 (9.09%) Analytics
15 14 (9.09%) Low Latency
15 14 (9.09%) Performance Tuning
Programming Languages
1 57 (37.01%) Python
2 41 (26.62%) Java
3 37 (24.03%) JavaScript
4 31 (20.13%) SQL
5 27 (17.53%) TypeScript
6 26 (16.88%) C#
7 6 (3.90%) VB
8 5 (3.25%) Kotlin
8 5 (3.25%) PowerShell
9 4 (2.60%) Go
9 4 (2.60%) Ruby
10 3 (1.95%) C++
10 3 (1.95%) Groovy
10 3 (1.95%) Jython
10 3 (1.95%) Objective-C
10 3 (1.95%) Swift
11 2 (1.30%) ANSI SQL
11 2 (1.30%) Bash
11 2 (1.30%) T-SQL
11 2 (1.30%) VB6
Qualifications
1 25 (16.23%) Security Cleared
2 21 (13.64%) SC Cleared
3 5 (3.25%) Degree
4 3 (1.95%) Computer Science Degree
5 2 (1.30%) DV Cleared
6 1 (0.65%) AWS Certification
6 1 (0.65%) AWS Certified Developer
6 1 (0.65%) BPSS Clearance
6 1 (0.65%) Master's Degree
6 1 (0.65%) OCP
6 1 (0.65%) Oracle Certification
6 1 (0.65%) Sun Certification
Quality Assurance & Compliance
1 22 (14.29%) QA
2 9 (5.84%) Accessibility
3 5 (3.25%) Data Quality
4 2 (1.30%) Software Quality Assurance
5 1 (0.65%) WCAG
System Software
1 34 (22.08%) Docker
2 2 (1.30%) Apache ZooKeeper
2 2 (1.30%) HDFS
Systems Management
1 37 (24.03%) Kubernetes
2 8 (5.19%) Terraform
3 6 (3.90%) Ansible
4 2 (1.30%) Istio
5 1 (0.65%) CloudHub
5 1 (0.65%) Prometheus
Vendors
1 12 (7.79%) Oracle
2 7 (4.55%) Microsoft
3 5 (3.25%) TIBCO
4 4 (2.60%) Databricks
4 4 (2.60%) Google
4 4 (2.60%) Splunk
5 3 (1.95%) Dynatrace
5 3 (1.95%) Salesforce
5 3 (1.95%) Virgin Media
6 2 (1.30%) CA Agile Central
6 2 (1.30%) SAP
7 1 (0.65%) Adobe
7 1 (0.65%) Amplitude
7 1 (0.65%) Atlassian
7 1 (0.65%) ESRI
7 1 (0.65%) IBM
7 1 (0.65%) MuleSoft
7 1 (0.65%) New Relic